JPH0454435Y2 - - Google Patents

Description

[Detailed description of the invention] A. Industrial field of application The present invention relates to a drive device for a vehicle bench testing device in which an actuator for operating the accelerator pedal, brake pedal, shift lever, etc. of a test vehicle is assembled. be.

B. Overview of the invention In a vehicle bench testing device, an operating device mounted inside the test vehicle and connected to its accelerator pedal, etc., and an actuator placed outside the test vehicle that actuates the accelerator pedal, etc. are assembled. The attached drive device is connected to a flexible cable, and the table supporting the actuator of this drive device can be moved up and down, rotated, and tilted, and by appropriately controlling the posture of this table, the flexible cable extending from the actuator can be The cable can be easily connected to the operating device of the vehicle.

C. Prior Art When performing a bench running test of a vehicle using a chassis dynamometer or the like in a preset running pattern, an actuator is used to press the accelerator pedal, brake pedal, or It is becoming common practice to operate a shift lever or the like.

As shown in FIG. 5, which shows an example of a test state using such a conventional bench test device for a vehicle, and FIG. 6, which shows a cross-sectional structure of the vehicle, the driving wheels 102 of the test vehicle 101 are connected to the rollers 103 of a dynamometer. The non-driven wheels 104 are mounted on the wheel fixing device 10
5 on the work floor 106. The accelerator pedal 107, shift lever 108, etc. of this test vehicle 101 are equipped with a pedal operation device 109 known from Utility Model Publication No. 56-58539, etc.
Mission operating device 110 well known from Publication No. 3715 etc.
etc., so that the engine rotation and transmissions of the test vehicle 101 can be operated by an external drive device 111 via various flexible cables 112. Specifically, an actuator (not shown) attached to the drive device 111 outside the vehicle is connected to the pedal operating device 109, the transmission operating device 110, etc. via a flexible cable 112, and the drive device 1 installed on the work floor 106 is connected to the pedal operating device 109, the transmission operating device 110, etc.
By driving the actuator 11 and operating the flexible cable 112, the accelerator pedal 107, the shift lever 108, etc. are operated via the pedal operating device 109, the transmission operating device 110, etc.

D Problems to be solved by the invention In the conventional test method shown in FIGS. 5 and 6, the flexible cable 112 is
It is necessary to connect the pedal operation device 109, the transmission operation device 110, and the drive device 111 through the window 113 of the first embodiment. In this case, when the test vehicle 101 is of a different model, the window 1 of the test vehicle 101 is connected to the drive device 111 installed on the work floor 106.
13 changes relatively, and the work floor 106
Even if the installation location of the drive device 111 is simply shifted, the bending state of the flexible cable 112 extending from the drive device 111 will change. As a result, conventionally, the bending state of the flexible cable 112 is not constant, and the force from the actuator cannot be smoothly transmitted to the pedal operating device 109, the transmission operating device 110, etc., making it impossible to accurately reproduce the driving simulation of the test vehicle 101. There was a possibility.

E Means for Solving the Problems The vehicle bench testing device according to the present invention includes an operating device that is mounted on a test vehicle and connected to the accelerator pedal, brake pedal, and shift lever of the test vehicle, and an operating device that is mounted outside the test vehicle. In a vehicle bench test device, the vehicle bench test device includes a drive device in which an actuator is installed and connected to the operating device via a flexible cable. A lifting platform that can be raised and lowered via an elevator, a rotating table that can be rotated around an axis perpendicular to the lifting table, and a rotating table that can be tilted around an axis that is horizontal to the rotating table. The actuator is characterized in that it has a table that is pivotally supported by the actuator and supports the actuator.

F Action Adjust the position of the trolley and the attitude of the support plate according to the relative position of the operating device mounted on the test vehicle and the window of the test vehicle and the actuator of the drive device to keep the bent state of the flexible cable constant.

In other words, by moving the trolley, the overall relative position between the entire drive system and the test vehicle window is changed,
When the elevator is operated, the lifting platform moves up and down with the rotating platform and table relative to the trolley, and when the rotating platform is driven, the rotating platform rotates around a vertical axis together with the table, and the table also rotates around a horizontal axis. By tilting, the inclination of the actuator is adjusted.

G. Embodiment As shown in FIG. 1 showing the external appearance of an embodiment of the driving device of the vehicle bench testing apparatus according to the present invention and FIG. 2 showing the shape of the right side thereof, a pair of left and right front wheels 11 and a The rear ends of a pair of left and right cross links 15 are rotatably pinned via brackets 16 to the rear end of a cart 14 to which rear wheels 12 are rotatably attached and movable on a work floor 13. There is. A pair of left and right roller guides 17 formed on the front side of this truck 14 include a pair of left and right cross links 19 whose longitudinal center portions are rotatably connected to the longitudinal center portion of the cross link 15 via a connecting shaft 18. The rollers 20 at the tip are rotatably engaged, and the rear ends of these cross links 19 are connected to the carriage 14.
It is rotatably pinned to the rear end of a lifting platform 21 located above via a bracket 22.
At the front end of the cross link 15, a pair of left and right roller guides 2 are formed on the front side of the lifting platform 21.
3, rollers 24 which are rotatably engaged with each other are rotatably attached to each other, and these cross links 15, 19, etc. constitute a parallel movement mechanism. A lifting pedal 26 provided at the rear end of the trolley 14 to which a frame-shaped hand handle 25 is attached.
The upper and lower ends of the hydraulic cylinder 28, which together with the lowering lever 27 and the like constitute a well-known hydraulic jacking device,
Each of them is rotatably connected to the carriage 14 and one of the cross links 15 via pins 29.

Therefore, when the lifting pedal 26 is operated, the distance between the pins 29 of the hydraulic cylinder 28 increases, and the carriage 14
As the angle between the cross link 15 and one of the cross links 15 increases, the other cross links 15 and 19 connected to this one cross link 15 simultaneously rotate, and as a result, the lifting platform 21 rises relative to the trolley 14. do. Conversely, when the lowering lever 27 is operated, the distance between the pins 29 of the hydraulic cylinders 28 becomes narrower, and the angle formed between the truck 14 and one of the cross links 15 becomes smaller, and the other cross connected to this one cross link 15 becomes smaller. As a result of the simultaneous rotation of the links 15 and 19, the elevating platform 21 descends toward the cart 14.

Note that as the elevating mechanism for the elevating table 21, it is of course possible to employ other known structures other than the present embodiment. In addition, in this embodiment, in order to restrain the movement of the trolley 14 during the test work, the work floor 13 is
A pair of left and right screw jacks 31, each of which has a retainer plate 30 at its lower end that can lift the rear wheel 12 off the work floor 13 by coming into contact with the rear wheel 12, are screwed into a pair of left and right brackets 32 that protrude from the rear end of the truck 14. By turning the operation handles 33 provided at the upper ends of these screw jacks 31,
The movement of the truck 14 is restrained by raising the rear wheels 12 from the work floor 13, and the truck 14 can be moved by raising the press plate 30.

A slide base 35 that engages with a pair of slide guides 34 that are parallel to each other in the front-rear direction of the lift table 21 is provided at the front part of the lift table 21 so as to be slidable back and forth via needle rollers (not shown). has been
A set screw 36 that restricts the sliding movement of the slide base 35 is screwed to the slide guide 34. Slide base 35 and lifting platform 2 behind it
1 is provided with support tubes 41 protruding from the lower ends of the two rotary tables 37 and 38, respectively, which rotatably support rotary shafts 39 that protrude vertically downward via bearings 40. Turntable 37, 38
are each rotatable around a rotating shaft 39 with respect to the lifting platform 21. Furthermore, these turntables 3
7 and 38 can be fixed at any rotational position by a rotation lock mechanism (not shown).

On the other hand, the clutch pedal operation actuator 4
2 and accelerator pedal operation actuator 43
Pedal drive table 44 each equipped with
are connected to one rotating table 37 via a pair of coaxial tilting shafts 45. Similarly,
Actuator 46 for shift lever selection operation
and shift lever shift operation actuator 4
The transmission drive tables 48 on which the rotation tables 7 are mounted are connected to the other rotary table 38 via a pair of mutually coaxial tilting shafts 45. As shown in FIGS. 1 and 2 and also in FIG. 3, which is an enlarged cross-sectional view of the cross-sectional shape in the direction indicated by the - arrow, a bracket 49 is provided on the pedal drive table 44 and the mission drive table 48 on the opposite side of the tilting shaft 45, respectively. A horizontal pin shaft 50 is rotatably mounted through the pin shaft 50, and the upper end of a tilting screw shaft 51 that is perpendicular to the pin shaft 50 is rotatably supported through a thrust bearing 52. ing. Both ends of the pin shaft 54, into which the tilting screw shaft 51 with the operating handle 53 formed at the lower end is screwed together, are connected to the rotary table 3.
When the tilting screw shaft 51, which is rotatably supported by a bracket 55 protruding from the rotary tables 7 and 38 and passes through each rotary table 37 and 38, is rotated by operating the operation handle 53, the upper and lower pin shafts 50, 54 changes, and the pedal drive table 44 and the mission drive table 48 are tilted up and down with respect to the rotary tables 37 and 38, respectively, about the tilting shaft 45.

In this embodiment, two tables 44 and 48 are used.
are arranged close to each other, so they can be connected to the rotation axis 3.
If you turn it around 9 times, there is a risk of interference with each other.
In order to avoid this, the rotary table 37 on the side of the pedal drive table 44 can be separated from the mission drive table 48 by the slide base 35 as shown by the two-dot chain line in FIG. Therefore, if one of the tables is unnecessary, there is no need to provide such a sliding mechanism for the rotary table 37. Furthermore, the sliding mechanism of the rotary table 37, the rotation mechanism of the rotary tables 37 and 38, and the tilting mechanism of the tables 44 and 48 are not limited to the structure of this embodiment, and other known mechanisms may be adopted. Of course it is also possible.

On the pedal drive table 44 and the mission drive table 48, outer stops 56 of the flexible cable 112 connected to the pedal operating device 109 and the mission operating device 110 as shown in FIG.
6, 47, and inner 57 is fixed to these corresponding to actuators 42, 43, 47, respectively.
46 and 47. As the pedal operating device 109 and the mission operating device 110, conventionally known devices may be used, and a detailed description of their structure will be omitted.

In this embodiment, a rotary type actuator 47 is used as the shift lever shift operation actuator 47, and its rotational force is transmitted to the inner 57 side via the lever 58. As shown in FIG. 1 and FIG. 4 showing the connecting portion between the lever 58 and the inner 57, a piece holder 59 is integrally fixed to the tip of the legger 58 via a connecting fitting 60, and the floating piece is A pair of wires 62 each having one end connected to the piece holder 59 is wound around the piece 61, and the floating piece 61 is held in the piece holder 59 in this state. An inner stopper 63 that locks the end of the inner 57 is pivotally attached to the floating piece 61 via a pin 64, and is operated by actuating a piece operating actuator (not shown) connected to the other end of the wire 62. Then move the floating piece 61 to the piece holder 5.
9 or can be moved relative to the piece holder 59. This mechanism itself was developed in 1986.
As is well known from Publication No. 156848, etc., after the shift lever is shifted by actuation of the shift lever shift actuator 47, the piece operation actuator is actuated to make the floating piece 61 free with respect to the piece holder 59. This prevents continuous shift operation force from being applied to the transmission side after the shift operation.

As in this embodiment, when a linear type actuator and a rotary type actuator are combined as actuators for operating the shift lever, the frame 65 supporting the actuator 46 for operating the shift lever select is moved from the table 48 for driving the transmission. Remove this shift lever select operation actuator 4
6 to shift lever shift operation actuator 4
Directly mounted on the table 48 for the transmission drive
was incorporated into the test vehicle (not shown), and the
It is also possible to use it alone as a shift lever drive device such as that disclosed in Japanese Patent No. 156848.

In actual use, after moving the truck 14 to the side of the vehicle under test, the operation handle 33 is operated to lift the rear wheels 12 off the work floor, and the holding plate 30 is used to prevent the truck 14 from shifting. to bound. Next, the height of the elevator platform 21 is determined by operating the ascending pedal 26 or the descending lever 27 according to the height of the window of the vehicle under test. Furthermore, it is necessary to rotate the rotating tables 37 and 38 according to the position of the driver's seat of the vehicle under test, but the rotating operation of the rotating tables 37 and 38 is performed before and after setting the lifting position of the lifting table 21. Good. In this case, the slide base 35 is operated in advance so that the rotary table 37 on the side of the pedal drive table 44 is
1 to the left side in FIG.
to prevent mutual interference caused by turning movements. Thereafter, the operating handle 53 is operated to adjust the inclination of the pedal drive table 44 and the transmission drive table 48, and the flexible cable 112 is
Make sure that no strain is applied to the bent state.

H. Effects of the invention According to the drive device of the vehicle bench testing device of the present invention, the actuator for operating the pedal operating device and the transmission operating device is raised, lowered, rotated and tilted on a trolley placed on the side of the vehicle. As a result, there is no risk of excessive bending of the flexible cables that connect these pedal operating devices or mission operating devices to the actuator, and remote driving of the pedal operating device or mission operating device can be performed smoothly via the wire. became possible.

[Brief explanation of the drawing]

FIG. 1 is a front view showing the structure of an embodiment of the drive device for a vehicle bench testing device according to the present invention, FIG. 2 is a right side view thereof, FIG. Fig. 4 is an enlarged perspective view showing an example of the connecting part between the inner and rotary type actuator, Fig. 5 is a perspective view showing an example of a test state using a conventional vehicle bench test device, and Fig. 6 is a cross-sectional view thereof. It is. Also, in the figure, 13 is the work floor, 14 is the trolley,
15, 19 are cross links, 16, 22, 32,
49, 55 is a bracket, 18 is a connecting shaft, 20,
24 is a roller, 21 is a lifting table, 28 is a hydraulic cylinder, 37, 38 are a rotary table, 39 is a rotating shaft, 41 is a support cylinder, 42, 43, 46, 47 are actuators, 44 is a pedal drive table, 45 is a A tilting shaft, 48 is a mission driving table, 50 is a pin shaft, 51 is a tilting screw shaft, 54 is a pin shaft, 56 is an outer stopper, 57 is an inner, 109 is a pedal operating device, 110 is a mission operating device, 112
is a flexible cable.

Claims (1)

[Scope of utility model registration request] An operating device mounted on a test vehicle and connected to the test vehicle's accelerator pedal, brake pedal, and shift lever, and an actuator located outside the test vehicle and connected to the operating device via a flexible cable are assembled. In the vehicle bench testing apparatus, the driving device includes a truck movable on the floor, a lifting platform mounted on the truck via an elevator so as to be able to rise and fall freely, and a platform for driving the platform. and a table that is pivotally supported to be tiltable about an axis horizontal to the rotary table and supports the actuator. A drive device for a vehicle bench test device, characterized by: