WO2020156462A1 - Procédé de détermination d'un point de placement d'un support d'étalonnage par rapport à un véhicule à tester - Google Patents

Procédé de détermination d'un point de placement d'un support d'étalonnage par rapport à un véhicule à tester Download PDF

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Publication number
WO2020156462A1
WO2020156462A1 PCT/CN2020/073869 CN2020073869W WO2020156462A1 WO 2020156462 A1 WO2020156462 A1 WO 2020156462A1 CN 2020073869 W CN2020073869 W CN 2020073869W WO 2020156462 A1 WO2020156462 A1 WO 2020156462A1
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WO
WIPO (PCT)
Prior art keywords
laser
line
point
reference line
calibration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/073869
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English (en)
Chinese (zh)
Inventor
赖毕望
黄允彦
张攀飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autel Intelligent Technology Corp Ltd
Original Assignee
Autel Intelligent Technology Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201911067125.5A external-priority patent/CN111520596B/zh
Application filed by Autel Intelligent Technology Corp Ltd filed Critical Autel Intelligent Technology Corp Ltd
Publication of WO2020156462A1 publication Critical patent/WO2020156462A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating

Definitions

  • This application relates to the technical field of vehicle maintenance and equipment calibration, and in particular to a method for determining the placement point of the calibration bracket relative to the vehicle to be tested.
  • the Advanced Driver Assistant System uses various sensors installed on the car to collect environmental data inside and outside the car at the first time to identify, detect and detect static and dynamic objects. Tracking and other technical processing, which can allow the driver to detect possible dangers in the fastest time, to attract attention and improve safety of active safety technology.
  • the sensors used in ADAS mainly include cameras, radars, lasers and ultrasonics, which can detect light, heat, pressure or other variables used to monitor the state of the car. They are usually located on the front and rear bumpers, side mirrors, steering column or windshield. On the glass. During the use of the vehicle, vibration, collision, environmental temperature and humidity, etc. will change the physical installation status of the above-mentioned sensors, so it needs to be calibrated or calibrated irregularly.
  • the current calibration bracket is basically positioned by the mounted beam, which has a relatively large volume and a large floor area, which is not conducive to transportation and also increases the cost.
  • the embodiment of the present invention aims to provide a method for determining the placement point of the calibration bracket relative to the vehicle to be tested, which can solve the transportation problems and cost problems caused by the use of beam positioning in the prior art.
  • a method for determining the placement point of a calibration bracket relative to a vehicle to be tested is provided.
  • the calibration bracket is used to mount a calibration element to calibrate a device to be calibrated in an advanced driving assistance system on the vehicle to be tested.
  • the calibration The placement point of the bracket relative to the vehicle under test is located at the front or the rear of the vehicle under test, and the method includes: determining a first reference line where the first reference line passes through the vehicle under test In the symmetrical central axis plane of the front and rear of the vehicle; a first reference point is determined on the first reference line, and the projection of the first reference point and the front or rear of the vehicle on the first reference line The distance between the points is a preset distance; a second reference line is determined, the second reference line is perpendicular to the first reference line, and the first reference line and the second reference line intersect at the A first reference point; a positioning component is placed on the second reference line, the positioning component includes a line laser and a positioning pattern board, and a cross-shaped pattern is
  • the method further includes: turning on a laser on the calibration bracket, the laser is located on the stand assembly of the calibration bracket, and the laser emits a laser beam perpendicular to the ground to form a laser beam on the ground. Laser point; move the calibration bracket until the laser point coincides with the placement point.
  • the method further includes: determining a second reference point on the second reference line, the second reference point and the first reference point being located on both sides of the placement point;
  • the line laser on the calibration bracket adjust the angle of the calibration bracket relative to the symmetrical central axis of the vehicle to be tested, so that the laser lines formed on the ground by the laser beam emitted by the line laser pass through the first
  • the reference point and the second reference point are such that the calibration bracket is perpendicular to the symmetrical central axis plane.
  • the method further includes: after the calibration bracket is perpendicular to the symmetrical central axis, replacing the line laser on the calibration bracket with a calibration for calibrating the device to be calibrated element.
  • the determining the first reference line includes: determining a first positioning point and a second positioning point, where the first positioning point is a central projection of the rear of the vehicle to be tested on the ground, and The second positioning point is the middle projection of the front of the vehicle under test on the ground; the line laser is placed on the ground so that a laser line formed by the line laser on the ground passes through the first The positioning point and the second positioning point form the first reference line.
  • the determining the first positioning point includes suspending a plumb line in the middle of the rear of the vehicle to be tested to determine the projection of the middle of the rear of the vehicle to be tested; and/or the Determining the second positioning point includes suspending a plumb line in the middle of the front of the vehicle under test to determine the projection of the middle of the front of the vehicle under test.
  • the determining the second reference line includes: placing a line laser at the first reference point; using the line laser to form a second reference line perpendicular to the first reference line on the ground Line, the second reference line is a ray or a straight line.
  • the positioning component can determine the placement of the calibration bracket It avoids the transportation problems and cost problems caused by the use of beam positioning.
  • Figure 1 is a perspective view of a calibration bracket provided by one of the embodiments of the present invention, wherein the calibration bracket is mounted with a multi-line laser;
  • Figure 2 is a perspective view of the calibration bracket shown in Figure 1 from another angle;
  • FIG. 3 is a perspective view of the calibration bracket shown in FIG. 1, in which the beam assembly of the calibration bracket is in a retracted state;
  • FIG. 4 is a perspective view of the stand assembly of the calibration bracket shown in FIG. 1;
  • Figure 5 is a perspective view of the stand assembly shown in Figure 4, in which some elements are omitted;
  • Figure 6 is a perspective view of a stand assembly according to some embodiments, in which some elements are omitted;
  • Figure 7 is a perspective view of a stand assembly according to further embodiments.
  • Figure 8 is an exploded view of the stand assembly shown in Figure 7;
  • Fig. 9 is a perspective view of the beam assembly of the calibration bracket shown in Fig. 1;
  • Figure 10 is a cross-sectional view of the beam assembly shown in Figure 9;
  • Figure 11 is an exploded view of the beam assembly shown in Figure 9;
  • Figure 11a is a partial enlarged view of a first beam portion of the beam assembly shown in Figure 11;
  • Figure 11b is a partial enlarged view of the second beam portion of the beam assembly shown in Figure 11;
  • Figure 12 is a partial enlarged view of part A in Figure 9;
  • Figure 13 is an exploded view of the adjustment mechanism of the beam assembly shown in Figure 9;
  • Figure 14 is an exploded view of the adjustment mechanism shown in Figure 13 from another angle;
  • Figure 15 is a perspective view of the joint mechanism of the beam assembly shown in Figure 9;
  • Figure 16 is a perspective view of the joint mechanism shown in Figure 15 from another angle;
  • Figure 17 is a cross-sectional view of the joint mechanism shown in Figure 15;
  • Figure 18 is a perspective view of a joint mechanism according to some embodiments.
  • Figure 19 is a cross-sectional view of the joint mechanism shown in Figure 18;
  • FIG. 20 is a schematic diagram showing the first fastening member and the second fastening member overlapping each other according to some embodiments;
  • 21 is a perspective view of a calibration system provided by another embodiment, wherein the calibration system includes a calibration bracket and a calibration element, the calibration element is a reflector, which is mounted on the calibration bracket;
  • Figure 22 is a three-dimensional view of the calibration system shown in Figure 21, in which the reflector is replaced with a pattern plate, which is mounted on the calibration bracket;
  • FIG. 23 is a perspective view of a calibration bracket provided by another embodiment, in which a calibration element is mounted on the calibration bracket, and the calibration element is an adaptive cruise system calibration element;
  • Figure 24 is an exploded view of the calibration bracket shown in Figure 23;
  • Figure 25 is a perspective view of the mounting portion and the mounting portion of the calibration bracket shown in Figure 23;
  • Figure 26 is a perspective view from another angle of the mounting portion and the mounting portion of the calibration bracket shown in Figure 23;
  • Figure 27 is a perspective view of the clamping portion of the calibration bracket shown in Figure 23;
  • Figure 28 is a perspective view of the calibration element shown in Figure 23;
  • Figure 29 is a perspective view of the calibration bracket shown in Figure 23, in which the calibration element mounted on the calibration bracket is replaced with a blind spot detection system calibration element;
  • FIG. 30 is a perspective view of the calibration bracket shown in FIG. 23, in which the calibration components mounted on the calibration bracket are replaced with night vision system calibrators and auxiliary pendants;
  • Figure 31 is an exploded view of the calibration bracket shown in Figure 30;
  • Figure 32 is a perspective view of the auxiliary pendant of the calibration bracket shown in Figure 30;
  • FIG. 33a is one of the flowcharts of a method for determining the placement point of the calibration bracket relative to the vehicle to be tested according to still another embodiment of the present invention.
  • FIG. 33b is the second flowchart of a method for determining the placement point of the calibration bracket relative to the vehicle to be tested according to still another embodiment of the present invention.
  • FIG. 34a is one of the scene diagrams of step 710 of the method shown in FIG. 33a;
  • FIG. 34b is the second scene diagram of step 710 of the method shown in FIG. 33a;
  • FIG. 35 is a scene diagram of step 720 of the method shown in FIG. 33a;
  • FIG. 36 is a scene diagram of step 730 of the method shown in FIG. 33a;
  • FIG. 37 is a scene diagram of step 740 of the method shown in FIG. 33a;
  • FIG. 38a is one of the scene diagrams of step 750 of the method shown in FIG. 33a;
  • FIG. 38b is the second scene diagram of step 750 of the method shown in FIG. 33a;
  • FIG. 39 is a scene diagram of step 720' of the method shown in FIG. 33b;
  • FIG. 40 is a scene diagram of step 730' of the method shown in FIG. 33b;
  • FIG. 41 is a scene diagram of step 740' of the method shown in FIG. 33b;
  • FIG. 42 is a scene diagram of step 750' of the method shown in FIG. 33b;
  • Fig. 43 is a scene diagram of one of the additional steps of the method shown in Fig. 33a;
  • Fig. 44 is a scene diagram of the second additional step of the method shown in Fig. 33a;
  • Fig. 45a is one of the scene diagrams of the third additional step of the method shown in Fig. 33a;
  • Fig. 45b is the second scene diagram of the third additional step of the method shown in Fig. 33a;
  • Figure 46a is one of the scene diagrams of the fourth additional step of the method shown in Figure 33a;
  • Fig. 46b is the second scene diagram of the fifth additional step of the method shown in Fig. 33a.
  • the calibration bracket 100 provided by one embodiment of the present invention includes a base 10, a stand assembly 20, and a beam assembly 30.
  • the stand assembly 20 is fixedly connected to the base 10.
  • the crossbeam assembly 30 includes a first crossbeam portion 32, a second crossbeam portion 34, and a connecting portion 36.
  • the connecting portion 36 is mounted on the stand assembly 20, and one end of the connecting portion 36 is hinged to the first A beam portion 32.
  • the other end of the connecting portion 36 is hinged to the second beam portion 34.
  • the first cross-beam portion 32 and the second cross-beam portion 34 can respectively rotate relative to the connecting portion 36 so that the cross-beam assembly 30 is stowed.
  • the first cross-beam portion 32 and the second cross-beam The portions 34 can also be rotated back relative to the connecting portion 36 to expand the beam assembly 30.
  • the "installation” includes fixed installation such as welding installation, as well as detachable installation.
  • the beam assembly 30 can be used to mount a calibration element, for example, a multi-line laser 200, a calibration target, a radar reflection or absorption device, etc., to calibrate the vehicle-mounted auxiliary driving system.
  • a calibration element for example, a multi-line laser 200, a calibration target, a radar reflection or absorption device, etc.
  • the first cross-beam portion 32 and the second cross-beam portion 34 can respectively pivotably rotate relative to the connecting portion 36.
  • the volume of the calibration bracket 100 can be reduced to facilitate shipment.
  • the first cross beam portion 32, the second cross beam portion 34 and the connecting portion 36 constitute a cross beam.
  • the cross beam assembly is installed on the top surface of the movable vertical pole. This makes the center of gravity of the beam assembly closer to the center of gravity of the vertical pole compared to the traditional calibration frame, which can increase the stability of the calibration frame and can use a smaller area base.
  • first cross-beam portion 32 and the second cross-beam portion 34 can rotate relative to the connecting portion 36, for example, they can be stowed downward together, or stowed upward, forward, and backward together.
  • the length of the connecting portion 36 can be relatively short, and the first and second cross-beam portions 32 and 34 are in a drooping state, so that the cross-beam The assembly 30 does not need to be removed from the stand assembly 20, and the space occupied by the calibration bracket 100 is also significantly reduced, which can be conveniently carried by transportation.
  • a device for rotating the cross-beam can be provided, so that the final retracting direction of the first cross-beam portion 32 and the second cross-beam portion 34 is It is also possible to make the two hanging down; or to make the length of the connecting part 36 relatively long, so that the first beam part 32 and the second beam part 34 can be placed close to the connecting part 36 and pass
  • the releasable fixing device is fixed on the connecting portion 36. In the latter case, in order to further reduce the space occupied by the calibration bracket 100, the beam assembly 30 can be removed from the stand assembly 20, carried to the place where it is needed, and then installed on the stand assembly 20.
  • the manner of stowing the beam assembly 30 is not limited to the above manner.
  • the beam can be folded into two sections without the connecting portion 36; the beam can also be folded into four or more sections.
  • three sections are preferred, because this makes the middle section of the cross beam no fracture, so that only one fastening component can be used at the middle section to fix the cross beam on the pole stably and balancedly.
  • the base 10 includes a base body 12, a roller 14, a height adjusting member 16 and a pull ring 18.
  • the base body 12 has a triangular claw shape and includes three claws, and the three claws extend in three different directions.
  • the base body 12 may be made of metal materials.
  • the roller 14 is mounted on the bottom surface of the base body 12, the number of the roller 14 can be three, and each roller 14 is mounted on the end of a corresponding claw for convenient movement of the The base body 12.
  • the roller 14 is a universally movable roller, so that the base body 12 can move arbitrarily back and forth, left and right.
  • the height adjusting member 16 is installed on the base body 12 for adjusting the height of the base body 12.
  • the height adjusting member 16 is an adjusting knob, the number is three, and there is at least a section of screw rod under the knob, and the screw rod cooperates with the thread of the through hole at the base to achieve height adjustment.
  • Each of the height adjustment members 16 is installed on a corresponding one of the claws and is close to a corresponding one of the rollers 14, and the three height adjustment members 16 are distributed in a regular triangle.
  • the pull ring 18 can be installed on the upper surface of one of the claws to facilitate pulling the calibration bracket 100.
  • the shape of the base body 12 can be changed according to actual needs, and is not limited to a triangular claw shape.
  • the base body 12 can be rectangular or circular; the roller 14
  • the number of the height adjusting members 16 and the height adjusting members 16 can be increased or decreased according to actual needs.
  • the stand assembly 20 may include a fixed stand 22, a movable stand 24 and a driving mechanism 26, the moving stand 24 is sleeved in the fixed stand 22, so The movable vertical rod 24 can move relative to the fixed vertical rod 22 along the length direction of the fixed vertical rod 22, and the driving mechanism 26 is installed on the fixed vertical rod 22 for driving the movable vertical rod 24 along The length direction of the fixed upright rod 22 moves relative to the fixed upright rod 22.
  • the height of the vertical frame assembly 20 can be reduced to nearly half of the original height. With the folding of the cross-bar assembly 30, the vertical frame assembly 20 can be very suitable for placing in a car. Carry it in the trunk of other vehicles.
  • the fixed vertical rod can be used as the inner rod
  • the movable vertical rod can be used as the outer rod.
  • the driving mechanism 26 is installed on the fixed vertical rod 22 to drive the movable vertical rod 24 along the fixed vertical rod 22.
  • the length direction of ⁇ moves relative to the fixed pole 22.
  • the fixed upright pole 22 and the movable upright pole 24 are respectively square-shaped, and the movable upright pole 24 is tightly sleeved in the fixed upright pole 22, so that the movable upright pole 24 is only It can move relative to the fixed stand 22 along the length direction of the fixed stand 22, and can prevent the movable stand 24 from moving in other directions relative to the fixed stand 22.
  • This structure is very important for the calibration bracket 100 to be retractable, because in the calibration process, it is usually necessary to use the fixed relative position relationship between the components of the calibration bracket 100, for example, it is possible to fix a fixed pole 22 on the outer surface
  • the laser is used to locate the center axis of the vehicle to determine the relative position between the target carried on the beam assembly 30 and the vehicle.
  • the fixed upright rod 22 and the movable upright rod 24 may also be pipes of other shapes, for example, pipes with mutually matched polygonal cross-sections, which can make the movable vertical
  • the rod 24 can only move relative to the fixed vertical rod 22 along the length direction of the fixed vertical rod 22, and can prevent the movable vertical rod 24 from moving in other directions relative to the fixed vertical rod 22.
  • “cooperating with each other” does not necessarily require that the cross-sections of the fixed upright 22 and the movable upright 24 must be the same.
  • the cross-section of the fixed upright 22 arranged outside may be hexagonal
  • the cross-section of the movable upright 24 arranged inside may be Being a quadrilateral connected with the hexagon, the effect that the movable vertical rod 24 can only move relative to the fixed vertical rod 22 along the length direction of the fixed vertical rod 22 can also be achieved.
  • the cross section of the fixed upright 22 and the movable upright 24 can also be elliptical cylindrical pipes that cooperate with each other, and the elliptical cross section can also restrict relative rotation between the two to a certain extent.
  • the fixed upright rod 22 and the movable upright rod 24 may also be cylindrical pipes with a circular cross-section.
  • a guide mechanism can be used to prevent the fixed upright rod 22 from rotating relative to the movable upright rod 24.
  • a simple guide mechanism is a guide rail and a sliding block device matched with it.
  • a guide rail can be set on one of the fixed vertical rod 22 and the movable vertical rod 24 at the contact surface, and the other Slider devices such as bumps, plastic rubber strips, rollers, balls, gears, etc.
  • the guide rail can be a groove, a linear protrusion, a rack, etc. additionally arranged on the wall of the vertical rod, or a groove, a linear protrusion, or between two linear protrusions formed on the wall of the vertical rod.
  • the formed grooves, that is, the vertical rod uses a special-shaped tube wall, and the shape of the tube wall itself has grooves, linear protrusions and other parts that can be used as guide rails.
  • the slider device may be an additional component that is additionally provided on the wall of the vertical rod, or it may be a protruding structure formed by the wall of the vertical rod itself, without the need to provide additional components on the wall of the vertical rod.
  • racks and other mechanisms that achieve transmission through meshing also have a guiding effect, and this specification also includes them in the category of guide rails.
  • the gear and rack transmission mechanism described in the following embodiments can also achieve the guiding effect.
  • the rack can be arranged in the groove guide rail.
  • the setting positions of the guide rail and the sliding block device can be interchanged, the guide rail can be arranged on the movable vertical pole, the sliding block device can be arranged on the fixed vertical pole, or can be exchanged.
  • the guiding mechanism is not limited to the fixed vertical rod 22 and the movable vertical rod 24 with a circular cross-section, and the fixed vertical rod 22 and the movable vertical rod 24 with other cross-sectional shapes may also use guiding mechanisms to enhance the guiding effect, and Obtain more stable or less frictional relative movement.
  • the fixed vertical rod 22 and the movable vertical rod 24 with other cross-sectional shapes may also use guiding mechanisms to enhance the guiding effect, and Obtain more stable or less frictional relative movement.
  • guide rails it is also possible not to use guide rails, and only use linear motion devices to obtain a more stable or less frictional relative movement. At this time, the non-circular external pole itself plays a guiding role.
  • the driving mechanism 26 includes a rack 260, a housing 261, a handle 262, and a gear reduction assembly.
  • the gear reduction assembly includes a first helical gear 263, a second helical gear 264, a first transmission gear 265 and a second transmission gear 266.
  • the rack 260 is fixedly installed on the movable vertical rod 24, and the rack 260 is arranged along the length direction of the movable vertical rod 24.
  • the fixed upright 22, the movable upright 24 and the rack 260 are all vertically arranged.
  • the housing 261 is fixedly installed on the fixed pole 22.
  • the handle 262 is mounted on the housing 261, and the handle 262 can rotate around the first rotation axis O1.
  • the gear reduction assembly can make the position of the movable pole move more accurate and labor-saving, which is beneficial to accurately determine the height of the calibration target.
  • the first helical gear 263 is located in the housing 261 and is fixedly installed on the handle 262.
  • the rotation axis of the first helical gear 263 coincides with the rotation axis of the handle 262, and the first helical gear 263 and the handle 262 can rotate together about the first rotation axis O1.
  • the second helical gear 264 is mounted on the inner wall of the housing 261 and can rotate around the second rotation axis O2.
  • the first helical gear 263 and the second helical gear 264 mesh, and the diameter of the first helical gear 263 is smaller than the diameter of the second helical gear 264.
  • the first transmission gear 265 is fixedly mounted on the second helical gear 264, the rotation axis of the first transmission gear 265 coincides with the rotation axis of the second helical gear 264, and the first transmission gear 265 is
  • the second helical gear 264 can rotate together around the second rotation axis O2.
  • the second transmission gear 266 is mounted on the inner wall of the housing 261 and can rotate around the third rotation axis O3.
  • the second transmission gear 266 meshes with the first transmission gear 265 and the rack 260 respectively.
  • the second transmission gear 266 is provided with a protrusion 2662 for cooperating with a ratchet wheel (not shown), so that the second transmission gear 266 is stopped at a preset position.
  • Both the first transmission gear 265 and the second transmission gear 266 are spur gears, and the diameter of the first transmission gear 265 is smaller than the diameter of the second transmission gear 266.
  • the first rotation axis O1 is perpendicular to the second rotation axis O2 and the third rotation axis O3, and the first rotation axis O1 is perpendicular to the rack 260.
  • the second rotation axis O2 and the third rotation axis O3 are arranged in parallel, and the second rotation axis O2 and the third rotation axis O3 are perpendicular to the rack 260.
  • the first helical gear 263 is driven to rotate around the first rotation axis O1
  • the second helical gear 264 and the first transmission gear 265 rotate around the second rotation axis O2.
  • the second transmission gear 266 rotates around the third rotation axis O3.
  • the second transmission gear 266 rotates around the third rotation axis O3, it drives the rack 260 to rise or fall along the length direction of the movable vertical rod 24, so that the movable vertical rod 24 is relative to the fixed vertical
  • the rod 22 rises or falls.
  • the first helical gear 263 and the second helical gear 264 mesh, the first transmission gear 265 and the second helical gear 264 can rotate together about the second rotation axis O2, and the second The transmission gear 266 meshes with the first transmission gear 265 and the rack 260 respectively, and can drive the movable vertical rod 24 to move stably relative to the fixed vertical rod 22.
  • the diameter of the first helical gear 263 is smaller than the diameter of the second helical gear 264
  • the diameter of the first transmission gear 265 is smaller than the diameter of the second transmission gear 266, so that the movable pole can be driven by a relatively small force. 24 moves relative to the fixed pole 22.
  • the first helical gear 263 and the second helical gear 264 can be omitted, the first transmission gear 265 is fixedly mounted on the handle 262, and the handle 262 can be wound around the The second rotation axis O2 rotates, thereby driving the first transmission gear 265 to rotate around the second rotation axis O2.
  • first helical gear 263, the second helical gear 264, and the first transmission gear 265 may be omitted, and the second transmission gear 266 is fixedly mounted on the handle 262, so The handle 262 can rotate about the third rotation axis O3, thereby driving the second transmission gear 266 to rotate about the third rotation axis O3.
  • the first helical gear 263, the second helical gear 264 and the first transmission gear 265 may be replaced with a worm mechanism, and the worm mechanism includes a worm 263 a and a worm gear 265 a.
  • One end of the worm 263a is fixedly installed on the handle 262, and the rotation axis of the worm 263a coincides with the rotation axis of the handle 262, the worm 263a and the handle 262 can rotate together about the first rotation axis O1 .
  • the worm 263a is cylindrical, and its outer surface has tooth parts 264a, and the tooth parts 264a mesh with the worm gear 265a.
  • the worm gear 265a is fixedly mounted on the second transmission gear 266, the rotation axis of the worm gear 265a coincides with the rotation axis of the second transmission gear 266, and the worm gear 265a and the second transmission gear 266 can circulate the second transmission gear 266 together.
  • the rotation axis O2 rotates.
  • the diameter of the worm gear 265a is smaller than the diameter of the second transmission gear 266, so that the movable vertical rod 24 can be driven to move relative to the fixed vertical rod 22 with a relatively small force.
  • the first rotation axis O1 is perpendicular to the second rotation axis O2, and the second rotation axis O2 is perpendicular to the rack 260.
  • the movable vertical rod 24 moves to a desired position relative to the fixed vertical rod 22, the movable vertical rod 24 can be fixed at the desired position by means of the self-locking function of the worm mechanism.
  • the handle 262 may be replaced with a motor.
  • the driving mechanism 26 may be other driving mechanisms, such as a screw drive, a timing belt, etc., as long as it can drive the movable vertical rod 24 relative to the The fixed pole 22 can be moved.
  • the movable upright 24 is provided with a limiting member 242, the limiting member 242 is located in the fixed upright 22, the inner wall of the fixed upright 22 is provided with a flange, the flange is close to At the top end of the fixed upright pole 22, when the movable upright pole 24 moves relative to the fixed upright pole 22 until the stopper 242 abuts the flange, the movable upright pole 24 stops moving, which can prevent The movable vertical rod 24 is separated from the fixed vertical rod 22.
  • the limiting member 242 is a collar, which is sleeved on the outer wall of the movable vertical rod 24.
  • the driving mechanism 26 is omitted, and the stand assembly 20 further includes a fastening mechanism 27 and an elastic body 28.
  • the fastening mechanism 27 may be installed at one end of the fixed vertical rod 22 for fixing the movable vertical rod 24 to the fixed vertical rod 22.
  • the fastening mechanism 27 includes a fastening ring 272 and a bolt 274.
  • the fastening ring 272 is sleeved on the fixed pole 22.
  • the fastening ring 272 can be formed by bending a metal strip. 274 is installed at both ends of the fastening ring 272.
  • the elastic body 28 is located in the fixed pole 22 and the movable pole 24, and the elastic body 28 is compressed between the bottom of the fixed pole 22 and the movable pole 24. According to requirements, the elastic body 28 can be connected to the movable pole 24 at a position at the bottom, top or middle of the movable pole 24. When the movable vertical rod moves to the bottom closest to the fixed vertical rod, the elastic body is in a compressed state. In this embodiment, the elastic body 28 is a compression spring. It can be understood that, in some other embodiments, the elastic body 28 may be other elastic elements, such as elastic pieces, pneumatic rods, hydraulic rods, and so on.
  • the bolt 274 When it is necessary to raise the movable vertical rod 24 relative to the fixed vertical rod 22, the bolt 274 is rotated so that the fastening ring 272 loosens the fixed vertical rod 22 and exerts upward force on the movable vertical rod 24.
  • the force can make the movable pole 24 rise along the length of the fixed pole 22, and the elastic force of the elastic body 28 can reduce the external force applied to the movable pole 24, for example, the external force applied by the operator.
  • the bolt 274 When the required position is reached, the bolt 274 is rotated to fasten the fixed upright 22 so that the movable upright 24 is fixed at the required position.
  • the bolt 274 When the movable pole 24 needs to be lowered relative to the fixed pole 22, the bolt 274 is rotated so that the fastening ring 272 loosens the fixed pole 22.
  • the movable vertical rod 24 Under the action of the gravity of the cross beam assembly 30, the movable vertical rod 24 can be caused to descend along the length direction of the fixed vertical rod 22. With the elastic force of the elastic body 28, the descending speed of the movable vertical rod 24 can be reduced to avoid The movable vertical rod 24 descends too fast and collides with the fixed vertical rod 24, thereby causing damage.
  • the fastening mechanism 27 may also have other structures, as long as the movable pole 24 can be fixed at a desired position.
  • the fastening mechanism 27 may be It is a screw that passes through the fixed pole 22 and is threadedly fitted with the fixed pole 22.
  • the screw is rotated The screw makes it abut the movable vertical rod 24 to fix the movable vertical rod 24 at a desired position. Rotate the screw to disengage the movable vertical rod 24, and the movable vertical rod 24 can move relative to the fixed vertical rod 22 along the length direction of the fixed vertical rod 22.
  • the beam assembly 30 includes a first support rod 31, the first beam portion 32, a second support rod 33, the second beam portion 34, a mounting seat 35, The connecting portion 36, the adjustment mechanism 37, and the joint mechanism 39 are described.
  • the function of the first supporting rod 31 and the second supporting rod 33 is to lift the target to prevent it from falling, especially when the target area is large and the weight is large.
  • One end of the first supporting rod 31 can be pivotally connected to the first cross beam portion 32 by a hinge mechanism, a hinge mechanism, etc., and the first supporting rod 31 can rotate relative to the first cross beam portion 32 , So as to expand to be perpendicular to the first cross-beam portion 32, and can also be engaged with and parallel to the first cross-beam portion 32.
  • the first supporting rod 31 includes a first supporting rod body 310 and a first supporting member 312. One end of the first supporting rod body 310 is hinged to the first beam portion 32, and the first supporting rod body 310 The first bracket 312 is installed at the other end.
  • the side wall of the first supporting rod body 310 is provided with a first slot (not shown).
  • the second supporting rod 33 can be hinged to the second beam portion 34 by a hinge mechanism, a hinge mechanism, etc., and the second supporting rod 33 can rotate relative to the second beam portion 34, So as to expand to be perpendicular to the second cross-beam portion 34, it can also be engaged with the second cross-beam portion 34 and parallel to the second cross-beam portion 34.
  • the second supporting rod 33 includes a second supporting rod body 330 and a second supporting member 332. One end of the second supporting rod body 330 is hinged to the second cross beam portion 34. The second supporting member 332 is installed at the other end.
  • the side wall of the second supporting rod body 330 is provided with a second slot 3300.
  • the first supporting member 312 and the second supporting member 332 extend in the same direction.
  • the first supporting rod 31 is expanded to be perpendicular to the first beam portion 32
  • the second supporting rod 33 is expanded to be perpendicular to the second beam
  • the first slot and the second slot 3300 are set back, and the first bracket 312 and the second bracket 332 can be used to jointly support a calibration element, such as a pattern plate.
  • the first beam portion 32 is provided with a first block 320 and a first guide rail 322.
  • the first clamping block 320 and the first supporting rod 31 are both connected to the same side of the first beam portion 32.
  • the first supporting rod 31 rotates to be parallel to the first beam portion 32, the first The clamping block 320 is clamped into the first clamping slot, and the first supporting rod 31 is clamped to the first beam portion 32.
  • the first guide rail 322 is arranged on the other side of the first beam portion 32, the first guide rail 322 is arranged in parallel with the first beam portion 32, and the first guide rail 322 is used to mount hangers for mounting calibration Components, such as a calibration target, a mirror, a laser, etc., are mounted, and the pendant can slide along the first guide rail 322.
  • the second cross beam portion 34 is provided with a second block 340 and a second guide rail 342.
  • the second clamping block 340 and the second supporting rod 33 are both connected to the same side of the second beam portion 34.
  • the second The clamping block 340 is clamped into the second clamping slot 3300 to clamp the second supporting rod 33 to the second beam portion 34.
  • the second guide rail 342 is arranged on the other side of the second cross beam portion 34, the second guide rail 342 is arranged parallel to the second cross beam portion 34, and the second guide rail 342 is used to mount hangers for mounting calibration For example, a mirror is mounted on the component, and the pendant can slide along the second guide rail 342.
  • the first guide rail 322 and the second guide rail 342 are arranged symmetrically with respect to the connecting portion 36, and the first cross beam portion 32 and the second cross beam portion 34 are also arranged symmetrically with respect to the connecting portion 36.
  • the first guide rail 322, the second guide rail 342, the first beam portion 32 and the second beam portion 34 are all horizontally arranged.
  • the first guide rail 322 includes a first base 3220, a first support wall 3222 and a second support wall 3224.
  • the first base portion 3220 is connected to the first beam portion 32
  • the first supporting wall 3222 is opposite to the second supporting wall 3224, and both are connected to the first base portion 3220 facing away from the first beam
  • the first and second supporting walls 3222, 3224 and the first base portion 3220 jointly constitute the guiding channel of the first guide rail 322.
  • An end of the first supporting wall 3222 away from the first base 3220 extends toward the second supporting wall 3224 with a first clamping portion 3226, and an end of the second supporting wall 3224 away from the first base 3220
  • a second clamping portion 3228 extends toward the direction of the first supporting wall 3222.
  • the second guide rail 342 includes a second base 3420, a third support wall 3422, and a fourth support wall 3424.
  • the second base 3420 is connected to the second beam portion 34
  • the third support wall 3422 is opposite to the fourth support wall 3424, and both are connected to the second base 3420 facing away from the second beam
  • the third and fourth support walls 3422, 3424, and the second base 3420 jointly constitute a guiding channel of the second guide rail 342.
  • An end of the third support wall 3422 away from the second base 3420 extends toward the fourth support wall 3424 with a third clamping portion 3426, and an end of the fourth support wall 3424 away from the second base 3420
  • a fourth clamping portion 3428 extends toward the direction of the third supporting wall 3422.
  • the positions of the first locking block 320 and the first slot can be interchanged, that is, the first locking block 320 is installed on the first supporting rod body 310,
  • the first card slot is provided in the first beam portion 32;
  • the positions of the second card block 340 and the second card slot 3300 can also be exchanged, that is, the second card block 340 is installed In the second supporting rod body 330, and the second slot 3300 is provided in the second beam portion 34.
  • the first slot and the second slot 3300 are recessed in the corresponding beam portion.
  • first guide rail 322 and the second guide rail 342 may be provided on other surfaces of the beam, such as the top surface.
  • the first guide rail 322 and the second guide rail 342 do not need to be provided, and the calibration element can be directly hung on the crossbeam using a hook or the like.
  • the first guide rail 322 and the second guide rail 342 can also have other forms, and do not need to be as shown in the figure. For example, they can be one or more groove lines arranged on the top surface of the beam, and the outer wall of the beam itself can be used. The groove line is formed without installing additional rails.
  • the number of the support rods is not limited by the foregoing embodiment.
  • the target located at the approximate center of the beam assembly 30 can also be lifted well.
  • the supporting rod can also be set in the corresponding position for lifting.
  • the position of the supporting rods can also be greater than two.
  • the supporting rod can also be arranged on a track, which is arranged on the side or bottom surface of the beam assembly 30, so that the supporting rod can move along the assembled beam assembly 30 to lift the parts that may be in different positions in a suitable position.
  • Target can be arranged on a track, which is arranged on the side or bottom surface of the beam assembly 30, so that the supporting rod can move along the assembled beam assembly 30 to lift the parts that may be in different positions in a suitable position.
  • the support rod can also be clamped on the beam assembly 30 by means of a clamping block and a slot.
  • the connecting portion 36 of the beam is sleeved in the mounting seat 35, and the first surface 360 of the connecting portion 36 is recessed with positioning holes 3604.
  • the number of positioning holes 3604 is preferably two, and two positioning holes 3604 is arranged along the length direction of the connecting portion 36.
  • the connecting portion 36 is provided with a fixing groove 3620, a fixing surface 3624 is provided in the fixing groove 3620, and the fixing groove 3620 is used in conjunction with the fixing rod 354 in FIG. 13 to fix the beam assembly in the installation Seat 35.
  • the fixing groove 3620 is provided so that the fixing surface 3624 and the bottom surface of the mounting seat 35 are at a certain angle. The advantages of this arrangement are explained in conjunction with the fixing rod in FIG. 13.
  • the fixing groove 3620 may be arranged between the second surface 362 and the top surface of the beam, wherein the second surface 362 is arranged parallel to the first surface 360, and the fixing surface 3624 is connected to the first surface 360 and the second surface 362.
  • An included angle, for example, the fixing surface 3624 and the first surface 360 and the second surface 362 are arranged at 45 degrees.
  • the first beam portion 32, the second beam portion 34 and the connecting portion 36 are all square-shaped, which can reduce the weight of the calibration bracket 100 and make the connecting portion 36 easy to be firmly secured. It is sleeved in the adjusting mechanism 38. It can be understood that, in some other embodiments, the first beam portion 32, the second beam portion 34, and the connecting portion 36 may also be pipes of other shapes, special-shaped materials or rods, etc., for example, they may be polygonal or circular. Shaped pipe or rod. When the beam is a pipe with other shapes, the fixing groove 3620 can be arranged at a position where the fixing surface 3624 and the bottom surface of the mounting seat 35 can be at a certain angle.
  • the mounting seat 35 is used to sleeve the connecting portion 36.
  • the mounting base 35 includes a fixing member 352, a fixing rod 354 and a mounting shell 356.
  • the mounting seat 35 may be provided on the adjusting mechanism 37, so that the mounting seat 35 can be rotated relative to the stand assembly 20 around the adjusting rotation axis L under the adjustment of the adjusting mechanism 37 to adjust The horizontal angle of the mounting base 35 and the beam assembly 30.
  • the adjustment mechanism 37 and the mounting seat are arranged in an up-and-down relationship, so as to facilitate the removal and installation of the beam from above while realizing horizontal angle adjustment.
  • the adjustment rotation axis L is arranged parallel to the fixed upright rod 22 and the movable upright rod 24, that is, when the calibration bracket 100 is placed on a horizontal plane, the adjustment rotation axis L is arranged vertically.
  • the mounting base 35 is provided with a notch 350 for facilitating putting the connecting part 36 into the mounting base 35 or removing the connecting part 36 from the mounting base 35.
  • the holding member 352 is generally hook-shaped to facilitate holding the connecting portion 36.
  • One end of the retaining member 352 is fixedly connected to the mounting shell 356, for example, mounted on the upper surface or side of the mounting shell 356, and the other end surrounds and grasps the connecting portion 36 of the beam assembly 30, leaving a gap 350.
  • the holding member 352 may have the shape shown in FIG. 13, of course, it may also have other shapes, such as a circular hook shape, a hook shape of other polygons, a hook shape combining a circular ring and a polygon, as long as it can realize the alignment of the connecting portion 36 The stable control is sufficient.
  • the “substantially hook-shaped” mentioned here means that the holding member 352 can extend from a certain angle and a certain length, so as to support and hold the connecting portion 36.
  • the holding member 352 and the mounting shell 356 surround a mounting channel for receiving the connecting portion 36.
  • the installation channel communicates with the gap 350.
  • the inner surface of the holding member 352 is provided with positioning posts 3524, and the two positioning posts 3524 are located in the installation channel and are used to insert the two positioning holes 3604 (see FIG. 8) to facilitate the
  • the connecting portion 36 is positioned in the installation channel.
  • the function of the positioning hole is to further reduce any displacement of the beam assembly 20 relative to the mounting seat 35 in the horizontal direction during calibration.
  • the positioning post 3524 may also be arranged on the upper surface of the mounting shell 356 or on both the upper surface of the mounting shell 356 and the inner surface of the holder 352.
  • the “positioning post” herein includes round, square, and long positioning posts
  • the “positioning hole” includes round, square, and long positioning holes.
  • the positioning posts and the positioning holes are roughly point-shaped, there are preferably at least two positioning posts 3524 along the length direction of the connecting portion 36 to ensure that the connecting portion 36 does not shift along the length direction.
  • the positioning post and the positioning hole are roughly elongated, only one pair of the positioning post and the positioning hole can be used. It is understandable that in some other embodiments, the positions of the positioning hole 3604 and the positioning post 3524 can be interchanged, that is, the positioning hole 3604 is opened in the holding member 352 and is connected to the mounting The channels are connected, and the positioning column 3524 is disposed on the first surface 360 (see FIG. 8).
  • the fixing rod 354 is disposed on the holding member 352, which includes a knob and at least a section of screw, and cooperates with the thread of the holding member 352, when the connecting portion 36 is sleeved on the mounting seat At 35 o'clock, the central axis of the fixed rod 354 is perpendicular to the fixed surface 3624 at the beam connecting portion 36. Rotating the fixed rod 354 can make the fixed rod 354 abut the fixed surface 3624, so that the beam
  • the connecting portion 36 of the assembly is fixed to the mounting seat 35, or, by rotating the fixing rod 354, the fixing rod 354 can be separated from the fixing surface 3624, and the connecting portion 36 can be removed from the mounting seat through the notch 350.
  • the mounting base 35 is removed.
  • the fixing surface 3624 and the bottom surface (ie, the horizontal plane) of the mounting base 35 are at a certain angle
  • the fixing rod 354 and the bottom surface of the mounting base 35 are at a certain angle, the angle being greater than 0 degrees and less than 90 degrees.
  • the angle is approximately 45 degrees.
  • only one fixing rod 354 can be used to apply a pressing force to the connecting portion 36 toward the bottom surface and a side surface of the mounting seat, which is the side opposite to the extension direction of the fixing rod 354, thereby achieving
  • the fixing seat is highly stable to fix the connecting portion 36, and the beam assembly can be easily disassembled and assembled.
  • the mounting base 35 may have other structures, for example, a notch may not necessarily be maintained.
  • a baffle or the like can be used to block the notch.
  • the connecting portion 36 can also be installed in other ways.
  • the mounting base 35 can be a complete ring structure without a gap to be inserted into the beam.
  • the weighing can be assembled first, and then the mounting base 35 can be inserted.
  • the fixing rod 354 is used to tighten and fix the beam.
  • the bottom surface or the side surface of the mounting seat 35 pressed by the connecting portion 36 may be arc-shaped or other irregular shapes.
  • the fixing rod 354 can also be used to press the connecting portion 36 on these surfaces. When the fixed rod and these surfaces may be in line contact instead of surface contact, it will not affect the pressing effect.
  • the surface of the mounting base 35 facing away from the notch 350 can also be used to mount a calibration element, for example, a multi-line laser 200 (see FIG. 1).
  • the mounting shell 356 is generally a cube with an opening on one side.
  • the adjusting mechanism 37 is disposed in the opening of the mounting shell 356.
  • the mounting shell 356 defines a threaded hole 3562.
  • the adjusting mechanism 37 includes a supporting shaft 371, a first elastic member 372, a rotating member 373, a bearing seat 374, a base 375 and an adjusting rod 376.
  • the adjustment mechanism 37 is used to adjust the angle of the beam assembly 20 in the horizontal direction (ie, the yaw angle).
  • the supporting shaft 371 is received in the mounting shell 356 and fixedly installed on the inner wall of the mounting shell 356.
  • the central axis of the support shaft 371 coincides with the adjustment rotation axis L.
  • first elastic member 372 is fixed to the mounting post 3560, and the other end of the first elastic member 372 is fixed to the rotating member 373.
  • the first elastic member 372 is a spring.
  • the rotating member 373 is substantially a cube, one end of which is provided with a protrusion 3732, and the protrusion 3732 and the first elastic member 372 are located on opposite sides of the rotating member 373, respectively.
  • the rotating member 373 is sleeved on the bearing seat 374.
  • the bearing seat 374 is fixedly installed on a surface of the base 375, and the central axis of the bearing seat 374 coincides with the adjustment rotation axis L.
  • the rotating member 373 is fixedly installed on the base 375 and sleeved on the bearing seat 374.
  • One end of the supporting shaft 371 is inserted into the bearing housing 374, so that the supporting shaft 371 and the mounting shell 356 can be relative to the rotating member 373, the bearing housing 374 and the base 375 together about the adjustment rotation axis L Rotate.
  • the base 375 is used to be installed on the movable pole 24, and the movable pole 24 can drive the base 375 to rise or fall.
  • the base 375 is a cube, and the base 375 covers the opening of the mounting shell 356.
  • the supporting shaft 371, the first elastic member 372 and the rotating member 373 are all contained in a cavity formed by the mounting shell 356 and the base 375.
  • the "cube” in this specification includes a thin plate shape.
  • the adjusting rod 376 is installed in the threaded hole 3562, and the adjusting rod 376 is rotated so that the adjusting rod 376 abuts the protrusion 3732, pushing the mounting seat 35 relative to the adjusting rotation axis L
  • the rotating member 373 and the base 375 rotate to adjust the horizontal angle of the mounting seat 35 and the connecting portion 36, and the first elastic member 372 is stretched.
  • Rotate the adjusting rod 376 in the opposite rotation direction the mounting seat 35 is pulled by the first elastic member 372 around the adjusting rotation axis L to rotate and reset relative to the rotating member 373 and the base 375.
  • the base 375 may be omitted, and the rotating member 373 and the bearing seat 374 may be directly fixedly mounted on the top surface of the movable pole 24.
  • the aforementioned adjustment mechanism 37 can be selectively used.
  • the mounting shell 356 of the mounting seat 35 can be eliminated, and the holding member 352 is mounted on the top surface of the movable pole 24 or other additional mounting surfaces.
  • the holding member 352 may also extend to form a bottom surface and surround the lower surface of the connecting portion 36 of the beam assembly 30, that is, the holding member 352 may have a bottom surface which is mounted on the mounting shell 356.
  • the number of the joint mechanism 39 is two, one of the joint mechanism 39 is connected between the first beam portion 32 and the connecting portion 36, and the other joint mechanism 39 is connected to Between the second beam portion 34 and the connecting portion 36.
  • the joint mechanism 39 is fixed in the wall tubes of the first beam portion 32, the second beam portion 34 and the connecting portion 36.
  • the joint mechanism 39 is fixed outside the wall tubes of the first beam portion 32, the second beam portion 34, and the connecting portion 36, and is connected to the wall tube by means such as clamping, screws, or bonding. The cross-sections of the wall pipes of the first cross-beam portion 32, the second cross-beam portion 34, and the connecting portion 36 are connected.
  • the joint mechanism 39 includes a first fixing member 391, a second fixing member 396, a first rotating shaft 397, a locking member 392, a second rotating shaft 393, a second elastic member 394 and a tightening mechanism 395.
  • the first fixing member 391 and the second fixing member 396 are hingedly connected together by a first rotating shaft 397.
  • the first fixing member 391 is approximately a cube, one end of which is hinged to one end of the second fixing member 396.
  • the first fixing member 391 defines a first through hole 3910.
  • the locking member 392 is received in the first through hole 3910, the second rotating shaft 393 passes through the middle of the locking member 392, and both ends of the second rotating shaft 393 are respectively mounted on the first fixing Pieces 391 of the side wall.
  • the buckle 392 can rotate around the second shaft 393, one end of the buckle 392 has a hook 3922, and one end of the second elastic member 394 abuts the other end of the buckle 392 The other end of the second elastic member 394 abuts the inner wall of the first fixing member 391.
  • the second elastic member 394 is a compression spring for restoring elastic deformation to push the locking member 392 to rotate around the second rotating shaft 393.
  • the tightening mechanism 395 includes a knob and at least a section of screw. One end of the tightening mechanism 395 passes through the first fixing member 391 from the outside of the first fixing member 391, and resists the buckle 392.
  • the tightening mechanism 395 and the second elastic member 394 are located on the same side of the central axis of the second rotating shaft 393, and the hook portion 3922 is located on the other side of the central axis of the second rotating shaft 393.
  • the second fixing member 396 is also roughly a cube, and a second through hole 3960 is opened.
  • the inner wall of the second through hole 3960 is provided with a protrusion 3962.
  • the first fixing member 391 is fixed to the inside of the connecting portion 36
  • the second fixing member 396 is fixed to the inside of the first beam portion 32 or the second beam portion 34, so that the first beam portion 32 or The second beam portion 34 can be engaged with the connecting portion 36.
  • the first fixing member 391 and the second fixing member 396 are closed, the first fixing member 391 is in contact with the second fixing member 396, and the first through hole 3910 communicates with the second through hole 3960.
  • the hook portion 3922 is buckled on the protrusion 3962, and the tightening mechanism 395 is rotated so that the tightening mechanism 395 presses the buckle 392 so that the The hook portion 3922 is further locked to the locking protrusion 3962, so that the first cross beam portion 32 or the second cross beam portion 34 is stably deployed relative to the connecting portion 36.
  • the hook portion 3922 can be conveniently buckled on the hook 3962, so that the hook portion 3922 and the hook 3962 are pre-buckled, and then The tightening mechanism 395 presses the locking member 392 so that the hook portion 3922 is further locked to the locking protrusion 3962.
  • first fixing member 391 and the second fixing member 396 can be exchanged, that is, the first fixing member 391 is fixed to the first beam portion 32 or Inside the second beam part 34, the second fixing member 396 is fixed inside the connecting part 36.
  • first fixing member 391 and the second fixing member 396 may also be integrally formed with the inner wall of the first beam portion 32, the second beam portion 34, or the connecting portion 36, that is, the first fixing member 391 And the second fixing member 396 may be a part of the inner wall of the first cross beam portion 32, the second cross beam portion 34 or the connecting portion 36.
  • the first fixing member 391 and the second fixing member 396, the first fixing member 391 and the second fixing member 396 may not be connected together by a first shaft, and the two are not connected, but the first A cross-beam portion 32 or a second cross-beam portion 34 and the outer wall of the connection portion 36 are connected together by an additional rotating shaft, which can also realize the pivotable between the first cross-beam portion 32 or the second cross-beam portion 34 and the connection portion 36 connection.
  • the relative position between the second elastic member 394 and the tightening mechanism 395 and the second rotating shaft 393 can be changed, that is, the second elastic member 394 can be closer to the second rotating shaft 393 than the tightening mechanism 395, as long as the The locking member 392 can lock the locking protrusion 3962.
  • FIGS. 18 and 19 shows a second embodiment of the structure of the joint mechanism 39.
  • the joint mechanism 39a provided by this second embodiment is basically the same as the joint mechanism 39 in the above embodiment, except that one end of the buckle 392a is provided with a hook 3922a and a protrusion 3924a, and the two hooks 3922a are located at the same place.
  • the inner wall of the second through hole 3960 is provided with a latch 3962a, the number of the latch 3962a is two, and the position of each latch 3962a corresponds to a corresponding one of the hook
  • the position of the part 3922a corresponds.
  • the knob 395 is replaced with a button 395a, and the button 395a is mounted on the second fixing member 396.
  • the second elastic member 394 is a compression spring compressed between the first fixing member 391 and the locking member 392a.
  • the first fixing member 391 and the second fixing member 396 When the first fixing member 391 and the second fixing member 396 are closed, the first fixing member 391 is in contact with the second fixing member 396, the first through hole 3910 is in communication with the second through hole 3960, and the The second elastic member 394 is pressed against the locking member 392a, so that the two hook portions 3922a are respectively fastened to the two locking protrusions 3962a, and the first fixing member 391 and the second fixing member 396 are fastened to each other , So that the first beam portion 32 or the second beam portion 34 is expanded relative to the connecting portion 36.
  • the button 395a When the button 395a is pressed, the button 395a pushes the protrusion 3924a to push the buckle 392a to rotate around the second shaft 393, the hook portion 3922a separates from the protrusion 3962a, so The second elastic member 394 is further compressed. At this time, the first fixing member 391 can rotate relative to the second fixing member 396, so that the first fixing member 391 is separated from the second fixing member 396, so that the The first cross-beam portion 32 or the second cross-beam portion 34 can rotate relative to the connecting portion 36 so that the cross-beam assembly 30 can be stowed.
  • the calibration bracket 100 may also include a buckle structure 50, one of the buckle structures 50 is connected between the first beam portion 32 and the connecting portion 36, and the other buckle structure 50 is connected to the Between the two cross beam portion 34 and the connecting portion 36.
  • Each of the buckle structures 50 includes a first buckle 52 and a second buckle 54.
  • the connecting portion 36 is provided with a first fastener 52, one end of the first fastener 52 is hinged to the connecting portion 36, and the first fastener 52 is hinged to one end of the connecting portion 36
  • a pull portion 522 is provided, the other end of the first fastener 52 is provided with a hook rod 524, the first cross beam portion 32 or the second cross beam portion 34 is provided with a second fastener 54.
  • the second buckle member 54 is provided with a buckle portion 544.
  • the hinged joint between the first cross beam portion 32 or the second cross beam portion 34 and the connecting portion 36 is located on one side of the connecting portion 36, and the first fastener 52 and the second fastener 54 are located on the The other side of the connecting portion 36.
  • the first cross-beam portion 32 and the second cross-beam portion 34 are expanded relative to the connecting portion 36, the first and second cross-beam portions 32 and 34 respectively contact the connecting portion 36, and the hook rod 524 is fastened to the buckle part 544. Pull the pull portion 522, the hook rod 524 is separated from the buckle portion 544, the first buckle member 52 and the second buckle member 54 can be separated, so that the first beam portion 32 or The second beam portion 34 can be stowed relative to the connecting portion 36.
  • first fastener 52 and the second fastener 54 can be interchanged, that is, the first fastener 52 is disposed on the first beam Portion 32 or second cross-beam portion 34, the second fastener 54 is disposed on the connecting portion 36.
  • first buckle 52 and the second buckle 54 can be used in conjunction with the joint mechanism 39, that is, in the inner wall of the first beam portion 32, the second beam portion 34, and the connecting portion 36, there are Joint mechanism 39.
  • the first buckle 52 and the second buckle 54 can also be used separately, that is, there is no joint mechanism in the inner wall of the first beam portion 32, the second beam portion 34, and the connecting portion 36. 39.
  • FIG. 21 and FIG. 22 Another embodiment of the present invention also provides a calibration system 600, which includes a calibration element and the calibration bracket 100 provided in the above embodiment, and the calibration element can be mounted on the calibration bracket 100
  • the calibration element is a reflector 300 and a distance measuring device 400 (see FIG. 21).
  • the reflector 300 can be mounted on the first guide rail 322 or the second guide rail 342 by a slider, and the slider is mounted on The first guide rail 322 or the second guide rail 342 can slide along the first guide rail 322 or the second guide rail 342 together with the reflector 300, and the distance measuring device 400 is fixedly installed on the beam assembly 30.
  • the reflector 300 may also be a target 300, and two targets are mounted on the first guide rail 322 and the second guide rail 342 through a slider.
  • the reflector or target 300 can also be directly mounted on the beam assembly 30 by means of hooks or the like. In this case, the first guide rail 322 and the second guide rail 342 can be eliminated.
  • the above-mentioned distance measuring device 400 is used to measure the height of the beam assembly 30 from the ground, and is preferably displayed on the liquid crystal screen of the distance measuring device 400.
  • the distance measuring device 400 is a laser rangefinder.
  • the base 10 is provided with a through hole 120 for making the laser of the laser rangefinder 400 hit the ground, so as to measure the height of the beam assembly 30 from the ground.
  • the calibration element is a pattern plate 500 (see FIG. 22), and the first supporting member 312 and the second supporting member 332 jointly lift the pattern plate 500 to prevent falling.
  • a first fixing block 510 may be installed on the first guide rail 322, the first fixing block 510 can slide along the first guide rail 322, and a second fixing block 520 is installed on the second guide rail 342.
  • the second fixing block 520 can slide along the second guide rail 342, the first fixing block 510 and the second fixing block 520 are respectively located on opposite sides of the pattern plate 500, and the first fixing block 510
  • the pattern plate 500 is clamped in cooperation with the second fixing block 520.
  • the first fixing block 510 and the second fixing block 520 are sliders on which the mirror 300 is installed. A slot is opened on the opposite side of the slider to clamp the pattern plate 500 to form a fixed block. It can be understood that the first fixing block 510 and the second fixing block 520 may also be magnetic blocks, which attract the pattern plate 500 from behind by magnetic adsorption, so as to enhance the firmness of the pattern plate 500 on the beam assembly 30.
  • the first beam part 32, the second beam part 34, the first support rod 31, and the second support rod 33 are used to carry the calibration Component, it will cause the beam to deform, or the calibration component cannot be placed at the preset height.
  • FIG. 23 and Figure 24 yet another embodiment of the present invention provides a calibration bracket 101, which is basically the same as the calibration bracket 100 provided in the previous embodiment, except that the calibration bracket 101 also includes a mounting assembly 60 .
  • the mounting assembly 60 includes a mounting portion 62, a clamping portion 64 and a mounting portion 66.
  • the clamping portion 64 is connected to the mounting portion 62, and is used to mount the entire mounting assembly 60 on the stand assembly 20 so that the mounting assembly 60 can move along the stand assembly 20 moves in the length direction, that is, moves along the length direction of the fixed pole.
  • the mounting portion 62 is provided with the mounting portion 66, and the mounting portion 66 is connected to the cross beam assembly 30 so that the cross beam assembly 30 can drive the cross beam assembly 30 along the length direction of the stand assembly 20.
  • the mounting assembly 60 moves along the length direction of the stand assembly 20, and the mounting portion 62 is used to mount the calibration element 102.
  • the mounting assembly 60 is installed on the vertical frame assembly 20 and the cross beam assembly 30 respectively.
  • the vertical frame assembly 20 and the cross beam assembly 30 jointly support the mounting assembly 60, and the calibration bracket can be mounted A heavier calibration element, in addition, in the case where the calibration bracket 101 is mounted with a calibration element of the same weight, the hidden danger of easy deformation of the beam caused by the calibration element supported by the beam can be avoided.
  • the clamping portion 64 and the mounting portion 62 together form a sleeve for sleeve of the stand assembly 20.
  • the clamping portion 64 is a sliding structure mounted on the stand assembly 20, the sliding structure can slide along the length of the stand assembly 20, and the mounting portion 62 is connected to The clamping portion 64.
  • the inner diameter of the sleeve formed by the clamping portion 64 or the mounting portion 62 is slightly larger than the outer diameter of the stand assembly 20, so that there is a movable space between the sleeve and the stand assembly 20 to support the hanging portion 62 It can move along the length of the stand assembly 20.
  • the clamping portion 64 and the hanging portion 62 can be connected to the stand assembly 20 and can move along the length direction of the stand assembly 20.
  • the clamping portion 64 may also be omitted, and the mounting portion 62 is only connected to the beam assembly 30 in the following manner.
  • the cross-beam assembly 30 When the ends of the first cross-beam portion 32 and the second cross-beam portion 34 far away from the connecting portion 36 are located at the first position relative to the stand assembly 20, the cross-beam assembly 30 is stowed, that is The first cross-beam portion 32 and the second cross-beam portion 34 in the cross-beam assembly 30 are in a naturally drooping state, and the first cross-beam portion 32 and the second cross-beam portion 34 are closer to the stand from the end away from the connecting portion 36 ⁇ Components.
  • the cross-beam assembly 30 When one end of the first cross-beam portion 32 and the second cross-beam portion 34 away from the connecting portion 36 is located at a second position relative to the stand assembly 20, the cross-beam assembly 30 is deployed.
  • the mounting portion 66 is connected to the connecting portion 36.
  • the movement of the connecting portion 36 along the length direction of the stand assembly 20 drives the movement of the mounting portion 62.
  • the mounting portion 66 is connected to at least one of the first cross-beam portion 32 or the second cross-beam portion 34.
  • the pivotal movement of the first cross-beam portion 32 or the second cross-beam portion 34 relative to the connecting portion or the movement of the first cross-beam portion 32 or the second cross-beam portion 34 along the length direction of the vertical rod assembly drives the hanging portion 62 along the vertical Movement in the length direction of the rod assembly.
  • the mounting portion 66 includes a first mounting portion 660 and a second mounting portion 662, and the first mounting portion 660 and the second mounting portion 662 are respectively disposed on the mounting portion 62 On both sides.
  • the first mounting portion 660 is connected to the first cross beam portion 32
  • the second mounting portion 662 is connected to the second cross beam portion 34. According to the actual situation, one of the first mounting portion 660 and the second mounting portion 662 can be omitted, and only the remaining one of the first mounting portion 660 and the second mounting portion 662 is connected to the
  • the cross beam assembly 30 is connected, and can also drive the suspension assembly 60 to move along the length direction of the stand assembly 20 when the cross beam assembly 30 moves along the length direction of the stand assembly 20.
  • the ground height of the mounting assembly 60 can be made as small as possible, and the calibration element 102 mounted on the mounting assembly 60 can be used for the lower position of the vehicle-mounted auxiliary driving system Calibration of the equipment to be calibrated.
  • the first mounting portion 660 has an upright plate shape as a whole, and is substantially flush with the mounting portion 62.
  • a first supporting hole 6600 is formed on the side of the first mounting portion 660 facing the first beam portion 32, and the first supporting hole 6600 is used to insert the first supporting member 312 , For the first supporting member 312 to support the first mounting portion 660.
  • the first beam portion 32 and the first mounting portion 660 can also be fixed by bolts.
  • a structure for inserting the first supporting hole 6600 can be designed on the first beam portion 32. To replace the first bracket 312.
  • the first mounting portion 660 is also provided with a first locking structure 6602.
  • the first locking structure 6602 is used to lock the first guide rail 322 so that the first beam portion 32 and the first The mounting part 660 remains fixed.
  • the first locking structure 6602 includes a first locking knob 6604, a first connecting shaft (not shown in the figure), and a first stop bar 6606.
  • the first locking knob 6604 is located on the side of the first mounting portion 660 facing away from the first beam portion 32, and the first stop bar 6606 is located on the first mounting portion 660 facing the first
  • the first mounting portion 660 is formed with a first shaft hole (not shown in the figure) for connecting the first connecting shaft, and both ends of the first connecting shaft are connected to the first connecting shaft.
  • the first stop bar 6606 By turning the first locking knob 6604, the first stop bar 6606 is driven to rotate.
  • the first stop bar 6606 rotates to a designated position relative to the first mounting portion 660, that is, when the first stop bar 6606 is parallel to the length direction of the first guide rail 322, the first stop bar 6606 is A stop bar 6606 can pass through the gap between the first clamping part 3226 and the second clamping part 3228, so that the first stop bar 6606 enters or exits the guide channel of the first guide rail 322.
  • the first stop bar 6606 When the first stop bar 6606 is located in the guide channel of the first guide rail 322, and the first stop bar 6606 rotates to a non-designated position relative to the first mounting portion 660, the first A card portion 3226 and the second card portion 3228 jointly block the first stop bar 6606 to prevent the first stop bar 6606 from exiting from the guide channel of the first guide rail 322.
  • the second mounting portion 662 has an upright plate shape as a whole and is substantially flush with the mounting portion 62.
  • a second supporting hole 6620 is formed on the side of the second mounting portion 662 facing the second beam portion 34, and the second supporting hole 6620 is used to insert the second supporting member 332.
  • the second beam portion 34 and the second mounting portion 662 can also be fixed by bolts.
  • a structure specially designed for inserting the second supporting hole 6620 on the second beam portion 34 To replace the second bracket 332.
  • the second mounting portion 662 is also provided with a second locking structure 6622, and the second locking structure 6622 is used to lock the second guide rail 342 so that the second cross beam portion 34 and the second The mounting part 662 remains fixed.
  • the second locking structure 6622 includes a second locking knob 6624, a second connecting shaft (not shown), and a second stop bar 6626.
  • the second locking knob 6624 is located on the side of the second mounting portion 662 facing away from the second beam portion 34, and the second stop bar 6626 is located on the second mounting portion 662 facing the second On one side of the beam portion 34, the second mounting portion 662 is formed with a second shaft hole (not shown in the figure) for connecting the second connecting shaft, and both ends of the second connecting shaft are connected to the first Two locking knobs 6624 and the second stop bar 6626.
  • the second locking knob 6624 is turned to drive the second stop bar 6626 to rotate.
  • the first The second stop bar 6626 can pass through the gap between the third clamping portion 3426 and the fourth clamping portion 3428 so that the second stop bar 6626 enters or exits the guide channel of the second guide rail 342.
  • the third The clamping portion 3426 and the fourth clamping portion 3428 jointly block the second stop bar 6626 to prevent the second stop bar 6626 from exiting from the guide channel of the second guide rail 342.
  • the clamping portion 64 and the mounting portion 62 are integrally formed, and before the sleeve is sleeved on the stand assembly 20, the beam assembly 30 and the stand The frame assembly 20 is disassembled, or the stand assembly 20 and the base 10 are disassembled first.
  • the clamping portion 64 and the mounting portion 62 are detachably connected, so that the two can form a sleeve for housing the stand assembly 20 .
  • Two insertion grooves 620 are formed on the side of the mounting portion 62 facing the clamping portion 64 for supporting the clamping portion 64.
  • the clamping portion 64 includes a connecting plate 640, and two extension plates 642 respectively connected to both sides of the connecting plate 640 and extending toward the mounting portion 62. Each extension plate 642 is away from the A plug-in board 644 is formed at one end of the connecting board 640 for plugging into a corresponding plug-in slot 620.
  • the mounting portion 62, the connecting plate 640, and the two extension plates 642 together form the sleeve. According to actual conditions, the clamping portion 64 and the mounting portion 62 may also be connected by bolts.
  • the mounting portion 62 is basically in the shape of an upright plate.
  • the calibration element 102 is located on the mounting portion 62.
  • the portion 62 faces away from the clamping portion 64.
  • the mounting portion 62 can also be designed in other shapes, such as an upright triangular prism. Accordingly, the calibration element 102 is mounted on the The position of the mounting portion 62 is also different, and it is not necessarily located on the side facing away from the clamping portion 64.
  • the mounting portion 62 is also formed with at least two first mounting holes 622, which are commonly used for mounting the calibration element 102.
  • the calibration element 102 is formed on the side facing away from its calibration direction.
  • vehicle assisted driving systems can be divided into adaptive cruise system, night vision system, blind spot system, vehicle departure warning system, etc.
  • the adaptive cruise system mainly includes a radar.
  • the radar of the adaptive cruise system may be a single radar or a dual radar.
  • the single radar is generally installed in the middle of the front of the vehicle, and the dual radar is generally installed on both sides of the front of the vehicle.
  • the radar in the adaptive cruise system can be calibrated by the adaptive cruise system calibration element 102a.
  • the adaptive cruise system calibration element 102a can be a radar calibration board (used to reflect the waves emitted by the radar), a radar calibration box, Radar calibration parts such as corner reflectors, and the adaptive cruise system calibration element 102a is shown in FIG. 23.
  • the night vision system is mainly set at a position where the front of the vehicle deviates from the midpoint.
  • the night vision system can be calibrated by a night vision system calibrator 102c, which can be an infrared transmitter such as an infrared radar.
  • the device, such as infrared radar, etc., the night vision system calibrator 102c is shown in FIG. 30.
  • the blind spot system mainly includes a radar.
  • the radar of the blind spot system is generally set at the rear of the vehicle.
  • the blind spot system can be calibrated by the blind spot detection system calibration element 102b, and the blind spot detection system calibration element 102b can be a Doprey. Generator, namely blind spot box, radar calibration box, etc.
  • the calibration element 102b of the blind spot detection system is shown in FIG. 29.
  • the vehicle departure warning system mainly includes a camera on the window of the vehicle, and the vehicle departure warning system can be calibrated through a pattern board.
  • the meter 102c has a structure 1020c protruding from its back. Accordingly, the calibration element 102 can be divided into a first calibration element and a second calibration element.
  • the first calibration element includes at least one of the following: the adaptive cruise system calibration element 102a and the blind spot detection system calibration element 102b.
  • the second calibration element includes the night vision system calibrator 102c.
  • the mounting part 62 is used to mount the first mounting component.
  • the calibration bracket 200 further includes an auxiliary hanger 70 that is used to hang on the side of the hanger 62 that faces away from the clamping portion 64, and the auxiliary hanger 70 Used to mount the second calibration element.
  • the second calibration element is mounted on the auxiliary pendant 70, the second calibration element is located on the side of the auxiliary pendant 70 facing away from the mounting portion 62.
  • At least two second support portions 72 are formed on the side of the auxiliary hanging member 70 facing the hanging portion 62 for hanging in the at least two first hanging holes 622.
  • At least two second mounting holes 74 are formed on the side of the auxiliary hanging member 70 facing away from the mounting portion 62 for mounting the second calibration element.
  • the pattern board needs a high ground clearance and can be hung on the unfolded beam assembly 30.
  • a calibration system is further provided, including the calibration bracket 200 and the calibration element 102 of the foregoing embodiment.
  • the calibration system and the calibration bracket provided by the embodiments of the present invention are respectively installed on the beam assembly and the stand assembly through mounting components.
  • the mounting assembly is mounted with calibration
  • the crossbeam assembly and the stand assembly jointly carry the calibration components, which can avoid the hidden danger of the crossbeam being bent due to the calibration components supported by the crossbeam.
  • another embodiment of the present invention also provides a method 700, 700' for determining the placement points D0, D0' of the calibration bracket relative to the vehicle 103 to be tested.
  • the calibration bracket may be the aforementioned
  • the calibration bracket 101 is taken as an example.
  • the calibration bracket 101 is used to mount a calibration element to calibrate the equipment to be calibrated 1030, 1030' in the advanced driving assistance system on the vehicle 103 to be tested.
  • the placement point D0 is located at the front 1032 of the vehicle to be tested 103, and the calibration device 101 placed at the placement point D0 can calibrate the to-be-calibrated device 1030 located at the front 1032.
  • the placement point D0' is located at the rear of the vehicle 1034, and the calibration device 101 placed at the placement point D0' can be calibrated by the calibration device 1030' located at the rear of the vehicle 1034.
  • the calibration bracket 101, the vehicle under test 103, and the placement point D0 are all on the ground P1
  • the ground P1 is the plane where the three or more wheels of the vehicle under test 103 contact together, including operations Indoor ground, plane formed by lifting machine, etc.
  • the vehicle 103 to be calibrated has a symmetrical center plane P2, and the symmetrical center plane P2 passes through the front 1032 and the rear 1034, and is substantially perpendicular to the ground P1.
  • the device 1030, 1030' to be calibrated deviates from the symmetrical center plane P2 of the vehicle 103 to be calibrated.
  • the device to be calibrated 1030 may be a sensor of an adaptive cruise system, a sensor of a night vision system, a sensor of a blind spot system, a sensor of a vehicle departure warning system, etc.
  • the sensor of the blind spot system is generally at the rear of the vehicle, and the sensor of a night vision system is generally When the front of the car deviates from the midpoint, the sensors of the adaptive cruise system are generally on both sides of the front of the car.
  • the method in the embodiment of the present application can be implemented by an operator in combination with a tool.
  • the method 700 can be used to calibrate the sensor of the adaptive cruise system or the sensor of the night vision system. As shown in FIG. 33a, the method includes:
  • Step 710 Determine a first reference line S1, the first reference line S1 being in the symmetrical central axis plane P2, as shown in FIG. 34a and FIG. 34b;
  • Step 720 Determine a first reference point D1 on the first reference line S1, the distance between the first reference point D1 and the second positioning point D3 of the front of the vehicle 1032 on the first reference line S1 Is the preset distance L1, as shown in Figure 35; it should be noted that in step 720, the projection point of the vehicle head on the first reference line is the projection outer contour of the vehicle head on the ground and the first reference line The intersection of a reference line; the projection point can be determined by the projection of the vertical line at the center of the front of the car on the ground.
  • the second positioning point D3 can be understood as the projection point d1 of the vehicle head 1032 on the first reference line S1.
  • Step 730 Determine a second reference line S2.
  • the second reference line S2 is perpendicular to the first reference line S1, and the first reference line S1 and the second reference line S2 intersect at the first reference line S2.
  • Reference point D as shown in Figure 36;
  • first reference line and the second reference line are visible, and the first reference line and the second reference line can be presented with a laser line.
  • other methods can also be used, which are not limited here.
  • Step 740 Place a positioning component on the second reference line S2.
  • the positioning component includes a line laser 104 and a positioning pattern plate 105.
  • a cross-shaped pattern is displayed on the positioning pattern plate 105, and the cross-shaped pattern includes mutual Two vertical linear marks 1050, 1052, one linear mark 1050 in the cross-shaped pattern is in the plane formed by the laser beam s1 emitted by the line laser 104, that is, the linear mark 1050 and the laser beam emitted by the laser 104 are in The laser lines formed on the ground overlap, and another linear mark 1052 in the cross-shaped pattern overlaps with the second reference line S2, as shown in FIG. 37;
  • step 750 move the positioning component on the second reference line S2 to determine the placement point D0 of the calibration bracket 101, at the placement point D0, the line laser 104 is on the vehicle 103 under test
  • the laser line formed on the above coincides with the center line of the device to be calibrated 1030.
  • the center line of the device to be calibrated 1030 refers to the center line of the surface of the device to be calibrated 1030 facing forward, that is, the direction in which the head of the vehicle extends, and the center line is approximately perpendicular to the ground , As shown in Figures 38a and 38b.
  • the first reference line S1 there may be multiple ways to determine the first reference line S1, one of which is:
  • the first positioning point D3 is the middle projection of the rear end 1034 on the ground P1
  • the second positioning point D4 is the front end 1032 on the ground Middle projection on P1;
  • vertical lines can be used to determine the first positioning point D3 and the second positioning point D4, for example, please refer to Figure 46a and Figure 46b, the vertical line is suspended in the middle of the rear of the vehicle 1034 to determine the rear of the vehicle 1034 central projection;
  • a plumb line is suspended in the middle of the front 1032 to determine the projection of the middle of the front 1032.
  • a measuring ruler or other precision instruments can be used to determine the middle of the front and the middle of the rear, and the plumb money can be suspended on the middle of the front and the middle of the rear.
  • the projection area of the plumb line on the ground is the middle projection.
  • the central projection can be used to determine the first positioning point D3 and the second positioning point D4.
  • the method of determining the first positioning point D3 and the second positioning point D4 by the vertical line can be within the allowable error range.
  • the first positioning point D3 and the second positioning point D4 The line common to the two positioning points D4 can be understood as the first reference line, that is, the line where the symmetrical central axis of the vehicle intersects the ground.
  • the first positioning point D3 and the second positioning point D4 can be marked on the ground to determine the first reference line.
  • the first datum line can be marked on the ground with a ruler, marking tool, etc., or a wired laser 106 (as shown in Figure 45b) can be placed on the ground, so that the line laser 106 forms a laser line on the ground to pass through the first reference line.
  • the line laser can be a single-line laser, which is placed near the center point of the rear of the vehicle, or placed at the first positioning point D3. The laser emitted by it forms a ray on the ground. Adjust the line laser 106 to form it on the ground.
  • the laser line passes through the first positioning point D3 and the second positioning point D4. During the positioning of the calibration bracket, the line laser can be always turned on and placed in a fixed position to provide the first reference line.
  • the line laser may be a dual-line laser.
  • the dual-line laser can emit laser beams in two directions, and the two laser rays formed on the ground face each other to form a laser line, which can be used as the first reference line .
  • the line laser may be a four-line laser, which can emit laser beams in four directions to form four laser beams on the ground. Two adjacent two of the four laser beams are perpendicular to each other. Then two of the four laser beams are facing each other.
  • the first reference line and the second reference line can be formed by a four-line laser.
  • the four-line laser can be placed on the front of the car. While determining the first reference line, the second reference line can also be determined .
  • the four-line laser can be turned on to form at least one straight line passing through the first positioning point D3 and the second positioning point D4, that is, the first reference line is determined.
  • the four-line laser can also control to turn on the emitting laser to form one or two rays perpendicular to the first reference line on the ground. If it is determined that only the sensor on the front side of the vehicle is calibrated, one ray can be formed as the second reference line; if the calibration is determined The sensors on both sides of the front can form two rays as the second reference line.
  • the line laser may be a three-line laser.
  • the three-line laser emits laser light to form a laser beam on the ground as a first reference line or as a second reference line. Refer to the above-mentioned four-line laser for the usage mode.
  • the line laser may be a five-line laser.
  • the five-line laser can also form a laser spot on the ground.
  • a laser emitting device is installed at the bottom of the five-line laser. The laser is emitted to form a laser spot on the ground.
  • the line laser 104 in the positioning assembly can emit a laser beam in a fan-shaped surface, so that a laser beam will be formed when the laser beam falls on an object on the fan-shaped surface.
  • the line laser 104 may be a single line laser, that is, it only emits a laser beam in one direction, that is, the fan-shaped surface of the laser beam emitted by the line laser 104 is parallel to the first reference line. If a method other than the laser line is used to mark the first reference line and the second reference line on the ground, the line laser 104 can be used in the above-mentioned process of determining the first reference line or determining the second reference line.
  • the line laser 104 and the positioning pattern board 105 may be fixedly connected, or the line laser 104 may be superimposed on the positioning pattern board 105.
  • the positioning pattern plate 105 can be placed so that the linear mark 1052 in the positioning pattern plate 105 coincides with the second reference line, then the line laser 104 on the ground can be It coincides with the linear mark 1051 in the positioning pattern board 105, that is, the angle of the line laser 104 relative to the linear mark 105 is fixed.
  • the positioning pattern plate 105 can be aligned first, and then the line laser 104 can be turned on so that the laser line formed by the emitted laser on the ground is perpendicular to the second reference line.
  • the pattern of the positioning pattern plate 105 is not limited, and only the auxiliary line laser 104 is required to realize that the laser line formed on the ground is perpendicular to the second reference line.
  • the line laser 104 and the positioning pattern board 105 along the second reference line.
  • the position of the positioning component can be recorded to determine the placement point of the calibration bracket .
  • the placement point may be determined as the center point of the cross-shaped pattern on the positioning pattern board 105.
  • a through hole may be provided at the center point of the positioning pattern board 105, and the operator may pass through a tool such as a marking pen. The hole records the placement point on the ground.
  • the operator can place the calibration bracket on the placement point, and mount the calibration component on the calibration bracket, and can also use the calibration bracket to adjust the height of the calibration component so that the calibration component is aligned with the equipment to be calibrated, thereby achieving the target calibration The equipment is calibrated.
  • the laser is located on the stand assembly of the calibration support 101.
  • the laser emits a laser beam perpendicular to the ground P1 to form a laser spot d0 on the ground.
  • the laser can also be located on the mounting component of the calibration bracket 101;
  • a through hole may be opened on the base of the calibration bracket 101 to allow the laser beam to pass through.
  • the laser is located on the central axis of the calibration bracket 101.
  • the calibration bracket 101 includes a stand assembly, as shown in FIG. 3, the laser can be mounted on the stand assembly or the above-described mounting part.
  • a second reference point D2 is determined on the second reference line S2, S2', and the second reference point D2 and the first reference point D1, D1' are located on both sides of the placement point D0, D0';
  • the line laser may be the laser used for aligning the placement point; adjust the angle of the calibration bracket 101 relative to the symmetrical central axis of the vehicle 103 to be tested so that The laser line formed on the ground by the laser beam emitted by the line laser passes through the first reference point D1, D1' and the second reference point D2, so that the calibration bracket 101 is perpendicular to the symmetry central axis plane .
  • the step of determining the second reference point D2 can be omitted, and only The laser line formed by the line laser on the ground between 101 and the second reference line needs to be coincident or parallel to the second reference line.
  • the line laser is replaced on the calibration bracket 101 with a calibration used to calibrate the equipment to be calibrated 1030, 1030' element. Only by adjusting the height of the calibration component from the ground, the calibration component can be aligned with the device under test.
  • the method 700' is roughly the same as the method 700 described above, as shown in FIG. 33b, including :
  • Step 710' Determine a first reference line S1, the first reference line S1 is in the symmetrical central axis plane P2, as shown in FIG. 34a and FIG. 34b;
  • Step 720' Determine a first reference point D1' on the first reference line S1, between the first reference point D1' and the projection point d2 of the rear end of the vehicle 1034 on the first reference line S1 Is the preset distance L1', as shown in Figure 39; it should be noted that in step 720', the projection point of the rear of the vehicle on the first reference line is the projection of the rear of the vehicle on the ground The intersection of the outer contour and the first reference point;
  • Step 730' Determine a second reference line S2', the second reference line S2' is perpendicular to the first reference line S1, and the first reference line S1 and the second reference line S2' intersect at The first reference point D1' is shown in FIG. 40;
  • Step 740' Place a positioning component on the second reference line S2'.
  • the positioning component includes a line laser 104 and a positioning pattern board 105.
  • a cross-shaped pattern is displayed on the positioning pattern board 105.
  • the cross-shaped pattern It includes two linear marks 1050, 1052 perpendicular to each other, one of the linear marks 1050 in the cross-shaped pattern is in the plane formed by the laser beam s1' emitted by the line laser 104, and the other of the cross-shaped patterns
  • the linear mark 1052 coincides with the second reference line S2', as shown in FIG. 41;
  • step 750 move the positioning component on the second reference line S2' to determine the placement point D0' of the calibration bracket 101, on the placement point D0', the line laser 104 is in the standby
  • the laser line formed on the test vehicle 103 coincides with the center line of the device to be calibrated 1030', as shown in FIG. 42.
  • an embodiment of the present invention provides a method for determining the placement point of the calibration bracket relative to the vehicle to be tested. After the first reference line and the second reference line are determined, the positioning component can be more accurate and fast. The placement point is determined locally, and the calibration bracket is placed at the positioning point to calibrate the equipment under test that is not on the center line of the vehicle.
  • the positioning of the calibration element and the device under test can be completed.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

L'invention concerne un procédé de détermination d'un point de placement (D0) d'un support d'étalonnage (100) par rapport à un véhicule à tester, comprenant : la détermination d'une première ligne de référence (S1) et une seconde ligne de référence (S2) orthogonale l'une par rapport à l'autre, la première ligne de référence étant dans le plan axial de symétrie du véhicule à tester ; le placement d'un composant de positionnement sur la seconde ligne de référence, le composant de positionnement comprenant un laser linéaire (104) et une plaque de positionnement à motif (105), un motif en forme de croix étant affiché sur la plaque de positionnement à motif, le motif en forme de croix comprenant deux marques linéaires perpendiculaires l'une à l'autre, une marque linéaire (1050) dans le motif en forme de croix se trouvant dans un plan formé par un faisceau laser émis par le laser linéaire, et l'autre repère linéaire (1052) dans le motif en forme de croix coïncidant avec la seconde ligne de référence ; et le déplacement du composant de positionnement sur la seconde ligne de référence pour déterminer un point de placement du support d'étalonnage où, au point de placement, une ligne laser formée par le laser linéaire sur le véhicule à tester coïncide avec la ligne centrale d'un dispositif (1030) à étalonner. Le procédé prévient les problèmes de transport et de coût provoqués par l'utilisation d'une entretoise pour le positionnement.
PCT/CN2020/073869 2019-02-01 2020-01-22 Procédé de détermination d'un point de placement d'un support d'étalonnage par rapport à un véhicule à tester Ceased WO2020156462A1 (fr)

Applications Claiming Priority (4)

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CN201910105255.7 2019-02-01
CN201910105255 2019-02-01
CN201911067125.5A CN111520596B (zh) 2019-02-01 2019-11-04 一种确定标定支架相对于待测车辆的放置点的方法
CN201911067125.5 2019-11-04

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WO2018067354A1 (fr) * 2016-10-04 2018-04-12 Hunter Engineering Company Caméra de système de mesure d'alignement de roue de véhicule et structure de support d'étalonnage de système d'aide à la conduite
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CN108036174A (zh) * 2018-01-12 2018-05-15 深圳市道通科技股份有限公司 一种支架装置
CN108318870A (zh) * 2018-03-07 2018-07-24 深圳市道通科技股份有限公司 一种车载雷达标定设备
CN108345321A (zh) * 2018-04-20 2018-07-31 深圳市道通科技股份有限公司 位置调节装置及汽车标定设备

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