WO2021215802A1 - 용접 비드 검사 장치 - Google Patents
용접 비드 검사 장치 Download PDFInfo
- Publication number
- WO2021215802A1 WO2021215802A1 PCT/KR2021/004962 KR2021004962W WO2021215802A1 WO 2021215802 A1 WO2021215802 A1 WO 2021215802A1 KR 2021004962 W KR2021004962 W KR 2021004962W WO 2021215802 A1 WO2021215802 A1 WO 2021215802A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- inspection apparatus
- welding bead
- welding
- bead
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/141—Control of illumination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/10—Scanning
- G01N2201/104—Mechano-optical scan, i.e. object and beam moving
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30136—Metal
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30152—Solder
Definitions
- the present invention relates to a welding bead inspection apparatus for inspecting the shape of a weld bead, and to a welding bead inspection apparatus for inspecting the welding quality and condition by photographing the shape of a bead generated during a welding process of a pipe.
- non-destructive inspection is a method of inspecting the workpiece without changing the product integrity or surface condition.
- liquid penetration method, magnetic flaw detection method, ultrasonic inspection method, acoustic radiation method, radiographic method, eddy current method, thermal flaw detection method, holography technique, etc. are used to observe surface defects or internal defects of materials. It is mainly used to inspect, evaluate, troubleshoot, and study expensive parts such as aircraft parts, saving time and money because of the nature of the inspection without destroying the material.
- the present invention is intended to improve the conventional problems as described above, and provides a structure in which an operator can easily fix an inspection device on a pipe to be inspected and perform an inspection process intuitively, thereby improving the convenience of use and working time.
- An object of the present invention is to provide a device that significantly reduces the
- the protection of the inspection object and the long lifespan can be improved by including a detailed structure to prevent the bead from being damaged due to impact or interference by the fixing means of the device.
- a welding bead inspection apparatus is a device for inspecting the shape of a weld bead on the outer surface of a pipe, and welding is performed in a downwardly open inner space formed in the middle inner side of the housing part.
- an image sensor unit for photographing the shape of the bead; and an illumination unit for providing illumination light directly or indirectly to the welding bead, wherein the housing unit is mounted on the outer surface of the pipe and has a pipe mounting curved surface on the lower side of the housing unit so as to be slidable along the outer surface. is formed
- the welding bead inspection apparatus further includes a background member at a position facing the image sensor unit, wherein the illumination unit emits the illumination light in the form of reflected light reflected from the front surface of the background member. It may have a structure provided for the weld bead.
- the welding bead inspection apparatus further includes a background member at a position facing the image sensor unit, wherein the illumination unit transmits the illumination light in the form of transmitted light transmitted from the rear surface of the background member. It may have a structure provided for the weld bead.
- the welding bead inspection apparatus may have a structure for replacing the surface color of the background member or changing the color of the illumination light of the lighting unit according to the color of the outer surface of the pipe.
- the welding bead inspection apparatus according to an embodiment of the present invention, a fixing part for maintaining the pipe mounting state of the welding bead inspection apparatus so as to stably run the inspection apparatus along the outer circumferential surface of the pipe;
- the fixing part may be formed in a structure including at least a portion of the elastic material or at least a portion of the elastic element.
- the fixing part at least from one side of the housing part to the other side of the pipe having a length that can be reached while surrounding the outer peripheral surface of the pipe band member formed of a flexible material; and a band fixing member provided on at least one of one side and the other side of the housing unit and releasably fixed to form a pipe mounting state of the weld bead inspection device.
- the fixing part is provided with a length adjusting part on either one side and the other side of the housing part, the length of the band member to a length corresponding to the outer diameter of the pipe may be configured to be adjusted.
- the fixing part may be configured with a bead passage groove or a slip member along the longitudinal direction of the band member to prevent interference with the weld bead.
- a light shielding portion for reducing or blocking light transmitted from the outside at both ends of the pipe mounting surface formed on the lower side of the housing portion may be configured to further include.
- the welding bead inspection device is configured to easily fix the inspection device mounted on the pipe to be inspected with a band and then easily fix it, and then rotate the device by hand, thereby saving working time. has the effect of significantly reducing it.
- Fig. 1 is a weld bead of a weld-bonded pipe.
- Figure 2 is a perspective view of a welding bead inspection apparatus according to an embodiment of the present invention.
- Figure 3 is a bottom perspective view of the housing of the welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 4 is a detailed structure of a welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 5 is a state diagram of a welding bead inspection apparatus according to an embodiment of the present invention.
- Figure 6 is a variable length setting structure of the fixing part in the welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 7 is a modified embodiment of the structure for setting the variable length of the fixing part in the welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 8 is a structure for preventing bead interference of a fixing part in a welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 11 is a scale display portion of the fixing portion in the welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 12 is a light-shielding complementary structure corresponding to various diameters of a pipe to be inspected in the welding bead inspection apparatus according to an embodiment of the present invention.
- FIG. 1 exemplarily shows a weld bead of a welded pipe, showing a representative shape of a weld bead (B) formed by melting between two pipes joined by a predetermined welding method.
- FIG. 2 is a perspective view of a welding bead inspection apparatus according to an embodiment of the present invention, and is mounted and fixed on the outer surface of the pipe by a band member so that the shape of the welding bead can be photographed and inspected using the image sensor unit.
- 3 is a bottom perspective view of the housing of the welding bead inspection apparatus according to an embodiment of the present invention, showing the contact member and the housing provided with a groove for passing the bead on the lower side.
- Figure 4 is a detailed structure of a welding bead inspection apparatus according to an embodiment of the present invention
- Figure 4 (a) shows a detailed structure in the device
- Figure 4 (b) is a cross-sectional view (AA) of Figure 4 (a) ) as an enlarged view of the overall arrangement structure of the image sensor for photographing the welding bead (B) and a part thereof.
- 5 is a state diagram of a welding bead inspection apparatus according to an embodiment of the present invention, and FIG. It shows the process of forming the bead inspection preparation state of the welding bead inspection apparatus
- Figure 5 (b) shows the state in which the inspection is in progress while the welding bead inspection apparatus rotates around the pipe.
- FIG. 6 is a structure for setting a variable length of the fixing part in the welding bead inspection apparatus according to an embodiment of the present invention, and through a structure capable of variably fixing one end of a band member, an exemplary structure that can respond to pipes of various diameters.
- FIG. 7 is a view showing a modified embodiment of the variable length setting structure of the fixing part in the welding bead inspection apparatus according to an embodiment of the present invention, and exemplarily shows the length adjustment structure of the band member through a buckle structure.
- 8 is a structure for preventing bead interference of the fixing part of the welding bead inspection apparatus according to an embodiment of the present invention.
- 8(b) shows that it is in close contact with the pipe (P) by two band members provided to be spaced apart to prevent interference with the bead (B).
- 9 is various embodiments of the band fixing member of the fixing part in the welding bead inspection apparatus according to an embodiment of the present invention.
- Figure 9 (b) shows a band fixing member made of a tick-tock structure
- Figure 9 (c) shows a band fixing member made of a buckle structure
- Figure 9 (d) is a hook structure It shows the band fixing member made up.
- FIG. 10 is a view showing a friction reduction structure of the fixed part of the welding bead inspection apparatus according to an embodiment of the present invention
- Figure 10 (a) is a slip member on the contact surface of the band member so as to reduce the friction between the band member and the pipe. shows a structure provided with
- FIG. 10 (b) shows a structure in which at least one slip member provided with a rolling wheel is provided in the middle of the band member
- FIG. 10 (c) is a rolling wheel on the band member It shows a structure in which a slip member is formed by directly fixing the .
- 11 is a view showing the scale display portion of the fixing part of the welding bead inspection apparatus according to an embodiment of the present invention, the scale display portion is provided along the longitudinal direction of the band member to guide the length setting of the band member is exemplified is shown as 12 is a view showing a light-blocking supplementary structure corresponding to various diameters of a pipe to be inspected in the welding bead inspection apparatus according to an embodiment of the present invention. It shows the structure to be shielded by the miner.
- Weld bead inspection apparatus for inspecting a weld between two welded pipes (P), the bead in the case of welding by melting the end of the pipe (B) is formed, and it is possible to estimate the welding quality, the welding state, etc. from the external shape of the bead (B) with relatively high accuracy.
- the shape data of the welding bead (B) photographed by the image sensor unit 10 is stored in a storage medium provided in the control module unit 50 or is transmitted wired/wireless to a computer, mobile electronic device, etc. to be utilized by the operator. desirable.
- the welding bead inspection apparatus in addition to a preset reference value in determining whether a bead is abnormal, not only the previously measured bead inspection data but also newly accumulated recent bead inspection data may be utilized.
- Weld bead inspection apparatus 100 as shown in Figs. 2 to 12, as an apparatus for inspecting the welded portion of the pipe (P), on the welded portion between the two pipes (P) It is mounted to form an inspection preparation state, rotates in the circumferential direction in a state in which the device is in close contact with the outer surface of the pipe (P), and inspects the external shape of the weld bead (B).
- the image sensor unit 10 for photographing the outer shape of the welding bead (B); and a background member 20 for providing a background so that the external shape of the bead can be easily detected when the external shape of the welding bead is photographed by the image sensor unit 10 ;
- a lighting unit 30 that provides a light source for photographing the appearance of the welding bead (B);
- a housing unit 60 for shielding a photographing space of a welding bead from external light as a body capable of fixing the image sensor unit 10 and the background member 20, respectively; and the like.
- the background member 20 provides a background of the weld bead image when the external shape of the weld bead is photographed by the image sensor unit 10 in the tangential direction of the pipe, and the lighting unit 30 is the background member 20 ) It is possible to provide illumination light to the welding bead in the form of reflected light reflected from the front surface or provide illumination light to the welding bead in the form of transmitted light (or backlight type) transmitted from the rear surface of the background member 20 .
- the housing portion 60 forming the exterior of the apparatus includes an image sensor unit 10, a background member 20, and a lighting unit in an inner space in the middle thereof.
- the pipe mounting curved surface is formed in a curved structure in which a part of the outer surface of the pipe P is internalized on the lower side, and the pipe P and the contact surface
- the bead passage groove 61 is provided at a position corresponding to the bead (B) in the structure to prevent interference with the bead.
- the housing unit 60 is not limited to any one of the configurations or structures presented in the above embodiment, and for example, a holding unit is preferably provided to smoothly handle the device in the process of mounting or testing the device.
- the grip portion may be formed of a finger insertion type gripping handle and/or a friction surface gripping portion.
- the image sensor unit 10 is provided on either side of the housing unit 50 so as to smoothly photograph the welding bead (B).
- ) means a general sensor capable of photographing the external appearance, and performs a function of measuring the image in the form of black-and-white or color and transmitting the corresponding image data to the configuration of the control module unit 50 and the like.
- the above embodiment is arranged in a structure for photographing the shape of the weld bead in the tangential direction of the pipe, and exemplarily shows a structure for photographing the boundary line of the shape of the weld bead (B) based on the background member 120 .
- Such a tangential direction photographing may be used, for example, for quality inspection of fusion beads for butt welding of plastic pipes, for condition inspection, and the like, but is not limited thereto.
- the technical idea of the present invention may be implemented in a manner of photographing on the vertical upper surface of the weld bead (B) for quality inspection and condition check of the weld bead by various welding methods, or the tangential direction of the outer surface of the pipe and a method of photographing all in the normal direction.
- the background member 20 is provided at a position facing the image sensor unit 10 to form a background when the welding bead B is photographed, and the lighting unit It is a configuration that directly or indirectly receives the light generated from (30).
- the background part 20 is not limited to any one configuration or structure presented in the above embodiment, and for example, may be configured by mounting a plate member of a predetermined color or attaching colored paper, or the lighting part ( 30) may be provided on the back surface of the background unit 20 to output light of a predetermined color in the form of a backlight.
- the background member 20 may have a control structure for changing the type of color or adjusting the brightness, etc. in consideration of the color of the pipe or the internal illuminance of the photographing space, in order to improve the photographing quality of the welding bead (B). .
- a control structure for changing the type of color or adjusting the brightness, etc. in consideration of the color of the pipe or the internal illuminance of the photographing space, in order to improve the photographing quality of the welding bead (B).
- Such a change or control structure may be employed, for example, by controlling the chromaticity and luminance of the lighting unit 30 , changing the RGB mixing ratio of the backlight, or changing the plate member to attach/detach it.
- the lighting unit 30 is a configuration that directly or indirectly provides light to the background member 20 or the welding bead (B). Provides active lighting for shooting.
- the lighting unit 30 may include at least one of white, red, blue, and green light sources to output a single visible light or to output a combination light thereof. That is, for example, in the case of a plastic pipe (P), unlike a steel pipe, it is manufactured in various colors, and if the output light of the pipe and the lighting unit 30 is the same or similar color, the welding bead shape of the pipe (P) is taken. It may not perform properly.
- a plurality of light sources capable of emitting a plurality of colors are provided in the lighting unit 30 or the background member 20, and the lighting unit 30 or the background member ( 20), it is possible to further improve the inspection accuracy and the like by configuring it to select and provide the color.
- the illuminance (illuminance) of the lighting unit 30 or the background member 20 may be selected in consideration of the sensitivity of the image sensor unit 10, and ambient light unintentionally entering from the outside of the housing 60 It is desirable to secure sufficient illuminance to reduce the effect of
- the contact member 40 is slidably disposed on the outer surface of the pipe P to stably mount the welding bead inspection apparatus around the weld bead and As shown in FIG. 3 , a portion matching the welding bead among the boundary portions of the contact member 40 is provided with a groove 41 to perform a function of a basic working surface that can be driven on the pipe, thereby interfering with the welding bead. This forms a structure that is prevented.
- the contact member 40 may be formed integrally with the housing unit 60 or may be separately formed and assembled.
- the control module unit 50 is a configuration for controlling the apparatus as a whole, for example, controlling the color of the light source of the lighting unit 30, etc.
- a storage device such as a memory for storing information such as the shape of the weld bead photographed while traveling along the outer surface may be further provided, or a communication means may be further provided to transmit the information to a peripheral station or a remote server.
- the control module unit 50 further includes an acceleration sensor for detecting the movement of the inspection device and/or a gyro sensor for detecting a spatial rotation angle of the inspection device, and the traveling speed of the inspection device traveling along the outer surface of the pipe and It can be used as data for judging location, status, etc.
- the welding bead inspection apparatus 100 is a fixing part 80 for maintaining the pipe mounting state of the welding bead inspection apparatus 100 so that the inspection apparatus can be stably driven along the outer circumferential surface of the pipe.
- one end of the fixing part 80 is fixed to one side of the inspection device, and the other end surrounds the outer surface of the pipe and is fixed to the other side of the inspection device, thereby inspecting the weld bead in the driving process. It is possible to prevent the device from being damaged by falling, and the user can stably run the welding bead inspection device of the present invention along the outer surface of the pipe during the inspection process.
- Such a mounting structure allows one user to smoothly use the inspection device to easily perform inspection work without the help of others when inspecting a welded portion of a pipe located at a high place.
- the fixing part 80 is preferably formed of a flexible material, for example, may be formed of a fiber material or an elastic band material.
- the detailed structure or material of the fixing part 80 is not limited thereto, and, for example, may be formed in a manner including an elastic element in some sections or ends.
- the fixing part 80 is provided with a band fixing part 84 on the other end of the fixing part 180, and the band fixing part on the other side of the inspection device in the process of mounting and mounting the inspection device on the pipe (P).
- the band fixing part 84 will be described in detail below.
- the welding bead inspection apparatus 100 includes an image sensor unit 10 and a background centering on a downward open space provided in the middle inner side of the housing unit 60 .
- the member 20 and the lighting unit 30 are disposed and provided, the lower open space forms a light shielding space as a whole together with the surface of the pipe P, and the image sensor unit in the light environment by the lighting unit 30 (10) to obtain an inspection image by taking a bead image of the pipe (P).
- the welding bead inspection apparatus 100 maintains a slidably close state on the pipe P by the fixing unit 180 and runs along the outer circumferential surface of the pipe P while taking a bead image of the pipe P. It can be taken continuously or periodically or at the required interval.
- the welding bead inspection apparatus is mounted on the welded portion between the two pipes (P), and inspected by the fixing part (80)
- the welding bead (B) is photographed by driving along the welded portion of the pipe (P) in the prepared state of the bead inspection in close contact with the target pipe (P).
- the operator may wind the device mounted on the pipe (P) to be inspected with the band member 81 to close it, rotate the device by hand after the inspection preparation state is completed, and proceed with the inspection, and welding to inspect the weld.
- the welding bead inspection method is not limited to any one, and for example, the welding bead inspection device has a separate motor structure so that it can run and rotate by itself, so that the inspection can be performed smoothly even when it is far from the ground or it is difficult to turn the device by hand. It can be configured to proceed.
- the fixing part 80 may be provided with an additional configuration or structure to correspond to various diameters of the pipe.
- an additional configuration or structure to correspond to various diameters of the pipe.
- a band member 81 corresponding to the corresponding diameter dimension can be employed and used.
- the fixing part 80 may further include a length adjusting part 82 that can be limited by fixing one end of the band member 81 and adjusting the length of the band member 81 . That is, for example, as shown in FIG. 6, the length adjustment part ( 82) can be provided.
- the hinge pivoting part 82-1 When the hinge pivoting part 82-1 is in an open state, the band member 81 in the length adjusting part 82 is able to run freely and the length is freely adjusted, and the hinge pivoting part 82-1 moves in the other direction. When it is rotated into a closed state, the band member 81 is fixed to a predetermined length by the teeth of the hinge rotating part 82-1.
- the length adjustment part 82 of the fixing part 80 is not limited to any one of the configurations or structures presented in the previous embodiment, and may be modified and implemented as necessary.
- a conventional winding buckle structure for fixing one end of the band member 81 may be used.
- the length adjusting part 82 may be directly fixed to one side of the housing unit 60 or may be connected and fixed to one side of the housing unit 60 by a connection link body 82-2, and,
- the connecting link body 82-2 may be formed in a simple bar shape or the like.
- connection link body 82-2 is formed in the form of a spring.
- the band member 81 is formed by selecting leather or inelastic fiber material like a bag strap. You may.
- the band member 81 of the fixing part 80 is fixed to one side of the housing part 60 by the length adjusting part 82 and, after the length is set, surrounds the pipe P and the other side of the housing part 60 and is fixed to the other side of the housing unit 60 by the band fixing member 84 to form a mounting and fixing state of the welding bead inspection device.
- the band fixing member 84 to form a mounting and fixing state of the welding bead inspection device.
- the band member 81 may be provided with a structure in which a bead passage groove 83 is provided or a groove spaced apart in the width direction is formed in the middle by using the divided band member 81 .
- the fixing part 80 may include a band fixing member 84 of various types for fixing the band to the other surface of the housing part 60 .
- the band fixing member 84 is made of a Velcro structure 84-1 so that the band member 81 does not loosen during the welding bead (B) inspection, as shown in Fig. 9(a).
- it is made of a snap button or a snap-toggle structure 84-2, or as shown in Fig. 9(c), an insertion-fixed clip-buckle structure 84 -3), or as shown in FIG. 9(d), it may be formed of a hook structure 84-4.
- the band fixing member 84 of the fixing part 80 is not limited to any one of the configurations or structures presented in the embodiments of the preceding description, and each band fixing member 84 has the end of the band member 81 in the housing. It is fixed to the other side of the part 60 to form a fixed mounting state.
- the slip member 85 is a welding bead or pipe (P) when the welding bead inspection apparatus 100 rotates along the outer surface of the pipe (P).
- the slip member 85 may be configured to further include a slip member 85 to prevent contact between the surface and the band member 81 or to assist sliding travel.
- the slip member 85 may be formed of a hard material such as plastic or metal to have a protrusion structure installed on the band member 81 .
- the slip member 85 may be provided as a structure including a rolling wheel 86, and as shown in FIG. Each element band member 81 is fixed to one side and the other side in the longitudinal direction, and a wheel-type slip member 85 in which a rolling wheel 86 is rotatably fixed is provided in the middle of the inspection device. Makes driving smoother.
- partial cut-out grooves to which the rolling wheel 86 can be fixed are formed in the band member 81, and the center of the rolling wheel 86 is formed on both sides of the partial cut-out groove.
- the shaft is fixed and the rolling wheel 86 is rotatably provided with respect to the central axis, and the slip member 85 is provided to facilitate the running of the inspection device.
- the fixing of the central axis may employ a method of fixing the band member 81 with a cloth or the like to prevent separation by sewing or bonding, but is not limited thereto. Through this structure, it is possible to prevent contamination, damage, etc. of the band member 81, and has the effect of smoothly performing rotational driving of the inspection device.
- the band member 81 further includes a scale display unit 89 for displaying the outer diameter of the pipe P to be inspected. That is, as shown in FIG. 11, the scale display unit 89 is provided on a part of the band member 81, and the length of the band member 81 is adjusted and set in advance before the mounting operation, and then the welding bead inspection apparatus 100 ) to guide the installation on the pipe (P).
- the longer band member 81 than necessary compared to the diameter of the pipe P interferes with stability when driving along the outer circumferential surface of the pipe P after mounting, and the short band member 81 is the end of the band member 81 after mounting.
- the fixing operation is not smooth or it forms an unstable fixing state, which may cause inconvenience such as the fixing state being released while driving.
- the length of the band member 81 is adjusted and fixed using the scale display unit 89 provided on the band member 81, thereby inspecting the weld bead. can be performed more stably and easily.
- Weld bead inspection apparatus as shown in FIG. 12, further comprising a light blocking unit 70 to reduce or block light transmitted from the outside on both sides of the lower side of the housing unit 60, can be configured.
- the light blocking part 70 is formed in a structure capable of shielding a gap between the housing part 60 and the pipe (P).
- the housing part 60 is basically formed with a larger radius of curvature in the lower part of the housing part 60 so as to be able to respond to various outer diameter dimensions of the pipe P, and a light blocking part 70 is located in the lower part of the housing part 60 . It is preferable to be additionally provided.
- the light blocking unit 70 is not limited to any one of the configurations or structures presented in the embodiments described above, and may be formed of, for example, a flexible wrinkle material, a fiber material, a brush material, and the like.
- image sensor unit 20 background member
- control module unit 60 housing unit
- band member 82 length adjustment part (buckle)
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Abstract
Description
Claims (9)
- 파이프의 외표면에서 용접 비드의 형상을 검사하는 용접 비드 검사 장치에 있어서,하우징부(60)의 중간 내측에 형성된 하방 개방된 내측 공간에서 용접 비드의 형상을 촬영하는 영상센서부(10); 및상기 용접 비드에 직접적으로 또는 간접적으로 조명광을 제공하는 조명부(30);를 포함하여 구성되고,상기 하우징부(60)는 상기 파이프의 외표면에 밀착되게 거치되어 상기 외표면을 따라 슬라이딩 이동 가능하도록 하우징부(60)의 하측에 파이프 거치곡면이 형성된 것을 특징으로 하는 용접 비드 검사 장치.
- 제1항에 있어서,상기 영상센서부(10)와 마주보는 위치에 배경부재(20);를 더 구비하며,상기 조명부(30)는 상기 조명광을 상기 배경부재(20) 전면에서 반사된 반사광 형태로 상기 용접 비드에 제공되는 것을 특징으로 하는 용접 비드 검사 장치.
- 제1항에 있어서,상기 영상센서부(10)와 마주보는 위치에 배경부재(20);를 더 구비하며,상기 조명부(30)는 상기 조명광을 상기 배경부재(20) 후면으로부터 투과된 투과광 형태로 상기 용접 비드에 제공되는 것을 특징으로 하는 용접 비드 검사 장치.
- 제2항 또는 제3항에 있어서,상기 파이프의 외표면 색상에 따라 상기 배경부재(20)의 표면색상을 교체하거나 상기 조명부(30)의 조명광 색상을 변경하는 것을 특징으로 하는 용접 비드 검사 장치.
- 제1항에 있어서,상기 파이프의 외주면을 따라 검사장치를 안정적으로 주행시킬 수 있도록 용접 비드 검사 장치(100)의 파이프 거치상태를 유지하는 고정부(80);를 추가로 구비하며,상기 고정부(80)는 적어도 일부분이 탄력성 재질로 형성되거나 적어도 일부분에 탄성요소를 포함하는 구조로 형성된 것을 특징으로 하는 용접 비드 검사 장치.
- 제5항에 있어서,상기 고정부(80)는,적어도 상기 하우징부(60)의 일측으로부터 타측까지 상기 파이프의 외주면을 감싸며 도달할 수 있는 길이를 가지며 가요성 재질로 형성된 밴드부재(81); 및상기 하우징부(60)의 일측 및 타측 중 적어도 어느 하나에 구비되어 용접 비드 검사 장치(100)의 파이프 거치상태를 형성하기 위하여 해제 가능하게 고정되는 밴드고정부재(84);를 포함하여 구성된 것을 특징으로 하는 용접 비드 검사 장치.
- 제6항에 있어서,상기 고정부(80)는,상기 하우징부(60)의 일측 및 타측 중 어느 하나에 길이조절부(82)를 구비하여 상기 파이프의 외경 치수에 대응되는 길이로 상기 밴드부재(81)의 길이가 조절되는 것을 특징으로 하는 용접 비드 검사 장치.
- 제6항 또는 제7항에 있어서,상기 고정부(80)는,용접 비드와의 간섭을 방지하도록 밴드부재(81)의 길이방향을 따라 비드통과홈(83)을 구비하거나 슬립부재(85)를 구비한 것을 특징으로 하는 용접 비드 검사 장치.
- 제1항에 있어서,하우징부(60)의 하측에 형성된 파이프 거치곡면의 양쪽 단부에 외부로부터 전달되는 빛을 줄이거나 차단하는 차광부(70);를 더 포함하여 구성된 것을 특징으로 하는 용접 비드 검사 장치.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023507217A JP7794369B2 (ja) | 2020-04-20 | 2021-04-20 | 溶接ビード検査装置 |
| CN202180029600.9A CN115605745A (zh) | 2020-04-20 | 2021-04-20 | 焊缝检测装置 |
| US17/996,605 US12415237B2 (en) | 2020-04-20 | 2021-04-20 | Weld bead inspection device |
| EP21792043.8A EP4130722A4 (en) | 2020-04-20 | 2021-04-20 | WELD BEAD TESTING DEVICE |
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| KR20200047746 | 2020-04-20 | ||
| KR10-2020-0047746 | 2020-04-20 | ||
| KR1020210020188A KR102594309B1 (ko) | 2020-04-20 | 2021-02-15 | 용접 비드 검사 장치 |
| KR10-2021-0020188 | 2021-02-15 |
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| US (1) | US12415237B2 (ko) |
| EP (1) | EP4130722A4 (ko) |
| JP (1) | JP7794369B2 (ko) |
| KR (1) | KR102594309B1 (ko) |
| CN (1) | CN115605745A (ko) |
| WO (1) | WO2021215802A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230226646A1 (en) * | 2020-06-12 | 2023-07-20 | Agru Korea Co., Ltd. | Weld bead inspection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102746850B1 (ko) * | 2021-11-10 | 2024-12-26 | 한양이엔지 주식회사 | 융착 파이프의 융착 비드 검사 장치 및 이를 포함하는 검사 시스템 |
| CN116106980B (zh) * | 2023-04-13 | 2024-02-20 | 江苏时代新能源科技有限公司 | 缝隙检测装置以及缝隙检测方法 |
| CN119175493B (zh) * | 2024-10-24 | 2025-11-28 | 天门市金兴达汽车零部件有限公司 | 一种便于多种汽车车型焊装的悬挂式点焊装置 |
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- 2021-04-20 WO PCT/KR2021/004962 patent/WO2021215802A1/ko not_active Ceased
- 2021-04-20 US US17/996,605 patent/US12415237B2/en active Active
- 2021-04-20 EP EP21792043.8A patent/EP4130722A4/en active Pending
- 2021-04-20 CN CN202180029600.9A patent/CN115605745A/zh active Pending
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| US12157188B2 (en) * | 2020-06-12 | 2024-12-03 | Agru Korea Co., Ltd. | Weld bead inspection device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102594309B1 (ko) | 2023-10-27 |
| US12415237B2 (en) | 2025-09-16 |
| EP4130722A1 (en) | 2023-02-08 |
| KR20230151959A (ko) | 2023-11-02 |
| US20230137583A1 (en) | 2023-05-04 |
| EP4130722A4 (en) | 2024-05-15 |
| CN115605745A (zh) | 2023-01-13 |
| KR20210129581A (ko) | 2021-10-28 |
| JP2023523099A (ja) | 2023-06-01 |
| JP7794369B2 (ja) | 2026-01-06 |
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