Automobile wire harness conduction detection jig

Abstract

The utility model relates to the technical field of wire harness detection, in particular to an automobile wire harness conduction detection jig which can detect the heating condition while detecting the wire conduction condition of a wire harness, has more functions and is small in limitation and good in practicability. Comprising a platform, a main wire plugging end and a plurality of branch wire plugging ends, the main wire plugging end and the plurality of branch wire plugging ends are installed on the platform, and a detection circuit is arranged between the platform and the plurality of branch wire plugging ends; the device further comprises an infrared camera, a portal assembly, a mechanical arm, a spray head and a plurality of plugging mechanisms, the portal assembly is installed on the platform, the infrared camera is movably installed on the portal assembly, the mechanical arm is installed on the platform, the spray head is installed at the moving end of the platform, the spray head is located below the infrared camera, and the spray head is located above the main wire plugging end and the branch wire plugging ends. The plurality of plugging mechanisms are respectively installed beside the plurality of sub-plugging wire ends, and the plurality of plugboard mechanisms are used for pulling out wire harness plugs from the plurality of sub-plugging wire ends.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wire harness detection, in particular to an automobile wire harness conduction detection fixture. BACKGROUND

[0002] The automobile wire harness is an important component of the vehicle electrical system, which contains a large number of wires and connectors. After the production of the automobile wire harness, the conduction of each wire in the wire harness needs to be detected. The prior art discloses a kind of automobile wire harness conduction detection fixture, and the detection includes detection platform and detection support, detection plug-in one and detection plug-in two installed on the detection platform, the detection support is movably provided with clamp, the clamp is provided with accommodating cavity, the clamp is provided with fountain pen in accommodating cavity, the fountain pen nib is stretched out from the clamp and towards detection plug-in one, detection plug-in one and detection plug-in two are provided with plug-in slot for connecting with wire harness, plug-in slot is provided with plug-in head, and the plug-in head between two plug-in heads is connected with conducting wire, the conducting wire is electrically connected with electric cylinder, the electric cylinder is installed on the detection support, and the piston rod of electric cylinder is fixedly connected with clamp;When wire harness conduction, conducting wire and wire harness form a loop, electric cylinder connected with conducting wire is started, electric cylinder pushes fountain pen nib to move to detection plug-in one direction through clamp, fountain pen nib is inserted into plug-in slot through marking port, and wire harness in plug-in slot is marked, so as to mark wire harness conduction.

[0003] In actual scene, when wire harness is abnormal heating due to poor connection quality or breakage of copper wire in wire, it is easy to cause cable natural aging, and the above detection fixture can only detect whether wire is conduction, and cannot detect whether wire harness is abnormal heating, and cannot locate abnormal heating, so the function is single, and the limitation is large. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an automobile wire harness conduction detection fixture, which can detect the conduction of wire harness and heating at the same time, has more functions, small limitation and good practicability.

[0005] This utility model discloses a continuity testing fixture for automotive wiring harnesses, comprising a platform, a main connector, and multiple branch connectors. The main connector and multiple branch connectors are mounted on the platform, and a detection circuit is provided between the platform and the multiple branch connectors. It also includes an infrared camera, a gantry assembly, a robotic arm, a nozzle, and multiple insertion / removal mechanisms. The gantry assembly is mounted on the platform, the infrared camera is movably mounted on the gantry assembly, the robotic arm is mounted on the platform, and the nozzle is mounted on the movable end of the platform, located below the infrared camera and above the main connector and multiple branch connectors. Multiple insertion / removal mechanisms are respectively installed beside the multiple branch connectors, and multiple insertion plate mechanisms are used to remove the wiring harness plug from the multiple branch connectors. During operation, the main connector of the wiring harness is inserted into the platform, so that multiple wire terminals in the main connector are connected to the positive terminal of the detection circuit. The multiple branch connectors of the wiring harness are then inserted into their respective branch connectors, so that the wire terminals in the branch connectors are connected to the positive terminal of the detection circuit. The circuit is powered on by connecting the negative terminal of the circuit and energizing the conductive wires in the wiring harness. Conductive wires are marked with a pass / fail mark at their connectors, while non-conductive wires are marked with a fail / fail mark at their connectors. After a period of energization, an infrared camera, positioned on the gantry assembly, takes an infrared photograph of a portion of the wiring harness to detect the temperature distribution in that area and check for any abnormal heating. If abnormal heating is detected, a robotic arm drives a nozzle to move towards the abnormal heating point. When the nozzle blocks the heat source, the robotic arm stops, and the nozzle starts spraying a marking paint onto the heat source. The infrared camera moves along the gantry assembly to the next detection area and repeats the above actions until the overall heating of the wiring harness is detected. Multiple plug-in mechanisms then automatically unplug the connectors of multiple wires from their respective terminals. Compared to existing technologies, this method can detect heating while simultaneously detecting the continuity of the wiring harness, offering more functionality, fewer limitations, and better practicality.

[0006] Preferably, the gantry assembly includes two columns, a slide rail, a lead screw, and a servo motor. The two columns are mounted opposite each other on the left and right ends of the platform. The two ends of the slide rail are connected to the two columns respectively. An infrared camera is slidably mounted on the slide rail via a slide table. The two ends of the lead screw are rotatably connected to the two columns respectively. The slide table of the infrared camera is connected to the lead screw drive via a lead screw nut. The servo motor is mounted on the column, and the output shaft of the servo motor is connected to the lead screw drive. The servo motor drives the lead screw to rotate, and the lead screw drives the slide table of the infrared camera to move along the slide rail via the lead screw nut, thereby moving the infrared camera above the wire harness and automatically performing regional heat detection on the entire wire harness. This technology is mature and has good practicality.

[0007] Preferably, the mechanical arm comprises a servo motor two, a cross arm one, a cross arm two and a servo motor three, the servo motor two is installed on the left part of the platform, the left end of the cross arm one is connected with the output shaft of the servo motor two, the cross arm one is horizontally arranged, the left end of the cross arm two is hinged with the right end of the cross arm one through a hinge shaft, the cross arm two is horizontally arranged, the servo motor three is installed on the cross arm one, the output shaft of the servo motor three is in transmission connection with the hinge shaft of the cross arm two, and the nozzle is installed on the right end of the cross arm two; the servo motor two drives the cross arm one and the cross arm two to swing horizontally, so that the nozzle can sweep above the wire harness, the servo motor three drives the cross arm two to change the relative angle with the cross arm one, thereby adjusting the relative distance between the nozzle and the servo motor two, so that the nozzle can sweep the whole wire harness, when the nozzle passes above the heat source of the abnormal heating point, the nozzle blocks the heat source, at this time, an abnormal low temperature point appears in the high-brightness heating area in the detection image of the infrared camera, the controller of the infrared camera sends a signal to the controllers of the nozzle, the servo motor two and the servo motor three, so that the servo motor two and the servo motor three are paused, and the nozzle is opened to mark the wire harness, so that the nozzle can accurately reach above the abnormal heating point of the wire harness and automatically mark, the structure is simple, and the practicability is good.

[0008] Preferably, the heat insulation block is installed on the upper end of the nozzle; the heat insulation block is made of heat insulation material, and the blocking effect on the abnormal heating point is improved by installing the heat insulation block on the nozzle.

[0009] Preferably, the plug-in mechanism comprises a mounting plate, a driving roller, a driving gear, a servo motor four, a driven roller and a driven gear, the mounting plate is installed on the platform, the driving roller is rotatably installed on the mounting plate through a center shaft one, the driving gear is concentrically installed on the end face of the driving roller, the servo motor four is installed on the mounting plate, the output shaft of the servo motor four is in transmission connection with the driving roller, the driven roller is rotatably installed on the mounting plate through a center shaft two, and the driven gear is concentrically installed on the end face of the driven roller; the driving gear is engaged with the driven gear, and the driving roller and the driven roller are respectively located on the two sides of the split wire end; after the split plug of the wire of the wire harness is aligned with the split wire end, the split plug is inserted between the driving roller and the driven roller, the driving roller and the driven roller are in frictional contact with the two sides of the split plug, the servo motor four drives the driving roller to rotate, the driving roller drives the driving gear to rotate, the driving gear drives the driven roller to rotate relative to the driving roller through the driven gear, so that the driving roller and the driven roller cooperate to frictionally push the split plug to the split wire end, and when the detection is completed, the servo motor four drives the driving roller to reverse, the driving roller drives the driving gear to reverse, the driving gear drives the driven roller to reverse through the driven gear, so that the driving roller and the driven roller cooperate to pull out the split plug from the split wire end, automatic plug-in of the split plug is realized, and the working efficiency is improved.

[0010] Preferably, it also includes a push cylinder one, an ink cartridge one, a push rod two, and an ink cartridge two. Push cylinder one is mounted on the side of the mounting plate near the driven roller. Ink cartridge one is mounted on the piston rod of push cylinder one. Ink cartridge one is equipped with a coating brush head one, which is aligned with the outer wall of the driven roller. Push rod two is mounted on the side of the mounting plate near the driving roller. Ink cartridge two is mounted on the piston rod of push rod two. Ink cartridge two is equipped with a coating brush head two, which is aligned with the outer wall of the driving roller. Different colored marking paints are added to ink cartridge one and ink cartridge two to distinguish between qualified and unqualified products in the detection circuit. After power is applied, if the wire is conductive, the piston rod of push cylinder one will push ink cartridge one towards the driven roller, causing the application brush head of ink cartridge one to press onto the outer wall of the driven roller. As the driven roller rotates, it will apply the qualified marking paint to the connector of the wire. If the wire is not conductive, the piston rod of push rod two will push ink cartridge two towards the drive roller, causing the application brush head of ink cartridge two to press onto the outer wall of the drive roller. As the drive roller rotates, it will apply the unqualified marking paint to the connector of the wire, thus achieving automatic marking of the wire and improving work efficiency.

[0011] Preferably, it also includes a stamp part one and a stamp part two, with stamp part one provided on the outer wall of the driven roller and stamp part two provided on the outer wall of the driving roller; by providing stamp part one and stamp part two to roll the words "qualified" or "unqualified" on the tap, the marking effect is improved.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: During operation, the bus plug of the wire harness is inserted into the platform, so that the multiple wire terminals in the bus plug are respectively connected to the positive terminal of the detection circuit. The multiple branch plugs of the wire harness are respectively inserted into the corresponding multiple branch terminals, so that the wire terminals in the multiple branch plugs are respectively connected to the negative terminal of the detection circuit. The detection circuit is powered on, and the conductive wires in the wire harness are energized. The conductive wires are marked as qualified at their branch plugs, and the non-conductive wires are marked as unqualified at their branch plugs. After being powered on for a period of time, the infrared camera is positioned on the gantry assembly and takes an infrared picture of a part of the wire harness to detect that area. The system detects the temperature distribution and any abnormal heating. When abnormal heating is detected in an area, the robotic arm drives the nozzle to move towards the abnormal heating point. When the nozzle blocks the heat source of the abnormal heating point, the robotic arm stops, and the nozzle starts spraying a marking paint onto the heat source. The infrared camera moves along the gantry assembly to the next detection area and repeats the above actions until the overall heating of the wiring harness is detected. Multiple plug-in mechanisms automatically unplug multiple wires from their respective plug ends. Compared with existing technologies, this system can detect heating while simultaneously detecting the continuity of the wiring harness, offering more functions, fewer limitations, and better practicality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 is a front view structural schematic diagram of the utility model;

[0015] Figure 3 is a working state structural schematic diagram of the utility model;

[0016] Figure 4 is a structural schematic diagram of platform, total plug-in terminal, sub plug-in terminal and door frame assembly etc. structure;

[0017] Figure 5 is a structural schematic diagram of mechanical arm and spray head etc. structure;

[0018] Figure 6 is a structural schematic diagram of plug-in mechanism;

[0019] Figure 7 is a structural schematic diagram of plug-in mechanism in the exploded state.

[0020] Marked in the drawing: 1, platform;2, total plug-in terminal;3, sub plug-in terminal;4, infrared camera;5, mechanical arm;6, spray head;7, stand;8, slide rail;9, screw;10, servo motor one;11, servo motor two;12, cross arm one;13, cross arm two;14, servo motor three;15, heat insulation block;16, mounting plate;17, driving roller;18, driving gear;19, servo motor four;20, driven roller;21, driven gear;22, push cylinder one;23, ink cartridge one;24, push rod two;25, ink cartridge two;26, seal part one;27, seal part two. DETAILED DESCRIPTION

[0021] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Embodiment 1

[0023] As Figures 1 to 5As shown, a kind of automobile wire harness conduction detection fixture, including platform 1, total plug end 2 and multiple sub plug ends 3, total plug end 2 and multiple sub plug ends 3 are installed on platform 1, and detection circuit is set between platform 1 and multiple sub plug ends 3;It also includes infrared camera 4, portal assembly, mechanical arm 5, spray head 6 and multiple plug-pull mechanisms, portal assembly is installed on platform 1, infrared camera 4 is movably installed on portal assembly, mechanical arm 5 is installed on platform 1, spray head 6 is installed on the moving end of platform 1, spray head 6 is located below infrared camera 4, spray head 6 is located above total plug end 2 and multiple sub plug ends 3, multiple plug-pull mechanisms are installed respectively beside multiple sub plug ends 3, and multiple plug-pull mechanisms are used to pull wire harness plug from multiple sub plug ends 3;Portal assembly includes two upright columns 7, slide rail 8, screw rod 9 and servo motor one 10, two upright columns 7 are oppositely installed on the left and right ends of platform 1, the two ends of slide rail 8 are connected with two upright columns 7 respectively, infrared camera 4 is slidably installed on slide rail 8 by slide table, the two ends of screw rod 9 are rotatably connected with two upright columns 7 respectively, the slide table of infrared camera 4 is drivingly connected with screw rod 9 by screw rod nut, servo motor one 10 is installed on upright column 7, and the output shaft of servo motor one 10 is drivingly connected with screw rod 9;Mechanical arm 5 includes servo motor two 11, horizontal arm one 12, horizontal arm two 13 and servo motor three 14, servo motor two 11 is installed on the left part of platform 1, the left end of horizontal arm one 12 is connected with the output shaft of servo motor two 11, horizontal arm one 12 is horizontally arranged, the left end of horizontal arm two 13 is hinged with the right end of horizontal arm one 12 by hinge shaft, horizontal arm two 13 is horizontally arranged, servo motor three 14 is installed on horizontal arm one 12, the output shaft of servo motor three 14 is drivingly connected with the hinge shaft of horizontal arm two 13, and spray head 6 is installed on the right end of horizontal arm two 13.

[0024] In operation, the bus plug of the wire harness is inserted into the platform 1 so that the wire terminals in the bus plug are connected to the positive poles of the detection circuit respectively, the plurality of sub-plugs of the wire harness are inserted into the plurality of sub-wire terminals 3 respectively so that the wire terminals in the plurality of sub-plugs are connected to the negative poles of the detection circuit respectively, the detection circuit is powered on, the wire harness is powered on, the qualified mark is made on the sub-plug of the wire that is on, the unqualified mark is made on the sub-plug of the wire that is not on, the wire harness is powered on for a period of time, the servo motor one 10 drives the lead screw 9 to rotate, the lead screw 9 drives the sliding table of the infrared camera 4 to move along the slide rail 8 through the lead screw nut, thereby driving the infrared camera 4 to move above the wire harness, the infrared camera 4 takes an infrared photo of a part of the wire harness after positioning at the detection area, detects the temperature distribution of the area, and detects whether there is an abnormal heating condition. In the detection process, the servo motor two 11 drives the horizontal arm one 12 and the horizontal arm two 13 to swing horizontally so that the spray head 6 can sweep above the wire harness, the servo motor three 14 drives the horizontal arm two 13 to change the relative angle with the horizontal arm one 12, thereby adjusting the relative distance between the spray head 6 and the servo motor two 11, so that the spray head 6 can sweep the whole wire harness. When the spray head 6 passes above the heat source of the abnormal heating point, the spray head 6 blocks the heat source, at this time, an abnormal low-temperature point appears in the high-light heating area in the detection image of the infrared camera 4, at this time, the controller of the infrared camera 4 sends a signal to the controllers of the spray head 6, the servo motor two 11 and the servo motor three 14, so that the servo motor two 11 and the servo motor three 14 are paused, the spray head 6 starts to spray the marking paint to the heat source position, the infrared camera 4 moves to the next detection area along the slide rail 8, and repeats the above actions until the whole heating condition of the wire harness is detected, the plurality of plug plate mechanisms act to automatically pull out the sub-plugs of the plurality of wires from the plurality of sub-wire terminals 3 respectively. Compared with the prior art, the heating condition of the wire harness can be detected while the conduction condition of the wire harness is detected, the function is more, and the limitation is small.

[0025] Embodiment 2

[0026] As shown in Figure 5 , on the basis of embodiment 1, it further comprises a heat insulation block 15 installed at the upper end of the spray head 6; the heat insulation block 15 is made of heat insulation material, and the heat insulation block 15 is installed on the spray head 6 to improve the blocking effect of the abnormal heating point.

[0027] Embodiment 3

[0028] As shown in Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, on the basis of Embodiment 1, the plug-in mechanism comprises a mounting plate 16, a driving roller 17, a driving gear 18, a servo motor four 19, a driven roller 20 and a driven gear 21, the mounting plate 16 is mounted on the platform 1, the driving roller 17 is rotatably mounted on the mounting plate 16 through a center shaft one, the driving gear 18 is concentrically mounted on the end face of the driving roller 17, the servo motor four 19 is mounted on the mounting plate 16, the output shaft of the servo motor four 19 is drivingly connected with the driving roller 17, the driven roller 20 is rotatably mounted on the mounting plate 16 through a center shaft two, the driven gear 21 is concentrically mounted on the end face of the driven roller 20, the driven gear 21 is engaged with the driving gear 18, and the driving roller 17 and the driven roller 20 are respectively located on the two sides of the split plug-in wire end 3; further comprising a push cylinder one 22, an ink box one 23, a push rod two 24 and an ink box two 25, the push cylinder one 22 is mounted on the side of the mounting plate 16 close to the driven roller 20, the ink box one 23 is mounted on the piston rod of the push cylinder one 22, the ink box one 23 is provided with a wiping brush head one, the wiping brush head one of the ink box one 23 is aligned with the outer side wall of the driven roller 20, the push rod two 24 is mounted on the side of the mounting plate 16 close to the driving roller 17, the ink box two 25 is mounted on the piston rod of the push rod two 24, the ink box two 25 is provided with a wiping brush head two, and the wiping brush head two is aligned with the outer side wall of the driving roller 17; further comprising a seal part one 26 and a seal part two 27, the seal part one 26 is arranged on the outer wall of the driven roller 20, and the seal part two 27 is arranged on the outer wall of the driving roller 17.

[0029] After the sub-plug of the wire of the wire harness is aligned with the sub-plug wire end 3, it is inserted between the driving roller 17 and the driven roller 20, the driving roller 17 and the driven roller 20 are in frictional contact with the two sides of the sub-plug, the servo motor four 19 drives the driving roller 17 to rotate, the driving roller 17 drives the driving gear 18 to rotate, the driving gear 18 engages the driven gear 21 to drive the driven roller 20 to rotate relative to the driving roller 17, so that the driving roller 17 and the driven roller 20 cooperate to frictionally push the sub-plug to the sub-plug wire end 3, so that the sub-plug is inserted into the sub-plug wire end 3. After the detection circuit is powered on, if the wire is conductive, the piston rod of the push cylinder one 22 acts to push the ink cartridge one 23 to the driven roller 20, the servo motor four 19 drives the driving roller 17 to reverse, the driving roller 17 drives the driving gear 18 to reverse, the driving gear 18 engages the driven gear 21 to drive the driven roller 20 to reverse, so that the driving roller 17 and the driven roller 20 cooperate to pull out the sub-plug from the sub-plug wire end 3, so that the wiping brush head one of the ink cartridge one 23 is pressed on the outer side wall of the driven roller 20, so that the driven roller 20 rubs the identification paint indicating qualified on the sub-plug of the wire when rotating, and the qualified words are rolled by the seal part one 26; if the wire is not conductive, the piston rod of the push rod two 24 acts to push the ink cartridge two 25 to the driving roller 17, so that the wiping brush head two of the ink cartridge two 25 is pressed on the outer side wall of the driving roller 17, the servo motor four 19 drives the driving roller 17 to reverse, the driving roller 17 drives the driving gear 18 to reverse, the driving gear 18 engages the driven gear 21 to drive the driven roller 20 to reverse, so that the driving roller 17 and the driven roller 20 cooperate to pull out the sub-plug from the sub-plug wire end 3, so that the driving roller 17 rubs the identification paint indicating unqualified on the sub-plug of the wire when rotating, and the unqualified words are rolled by the seal part two 27 to realize automatic plugging and identification of the wire, improve work efficiency.

[0030] As Figures 1 to 7As shown, the automobile wire harness conduction detection jig of the utility model, in working, first, the bus plug of wire harness is inserted into platform 1, so that the plurality of wire terminals in bus plug is connected with positive pole of detection circuit respectively, the plurality of sub-plug of wire harness is inserted into corresponding plurality of driving roller 17 and plurality of driven roller 20 between respectively, plurality of servo motor four 19 starts, so that plurality of driving roller 17 and plurality of driven roller 20 relatively rotate and make plurality of sub-plug be inserted into plurality of sub-plug wire end 3 respectively, then make the wire terminal in plurality of sub-plug be connected with negative pole of detection circuit respectively, detection circuit is powered on, the wire of wire harness is powered on, is powered on for a period of time, then infrared camera 4 is positioned on portal assembly and carries out infrared photographing to a part of wire harness, detects the temperature distribution of the region, detects whether there is abnormal heating condition, when the region has abnormal heating condition, mechanical arm 5 drives nozzle 6 to move to abnormal heating point, when heat insulation block 15 shields the heat source position of abnormal heating point, mechanical arm 5 stops, nozzle 6 starts and sprays marking paint to the heat source position, infrared camera 4 moves along portal assembly to next detection area, and repeats the above action until the whole wire harness heating condition detection is completed, finally, if the wire is conducted after the power-on of detection circuit, then the piston rod action of push cylinder one 22 pushes ink cartridge one 23 to driven roller 20, so that the smearing brush head one of ink cartridge one 23 is pressed on the outer side wall of driven roller 20, servo motor four 19 drives driving roller 17 to reverse, driving roller 17 drives driving gear 18 to reverse, driving gear 18 engages driven gear 21 and drives driven roller 20 to reverse, so that driving roller 17 and driven roller 20 cooperate and pull out the sub-plug from sub-plug wire end 3, so that driven roller 20 rubs the identification paint indicating qualified on the sub-plug of wire when rotating, and rubs "qualified" word through seal part one 26, if the wire is not conducted, then the piston rod action of push rod two 24 pushes ink cartridge two 25 to driving roller 17, so that the smearing brush head two of ink cartridge two 25 is pressed on the outer side wall of driving roller 17, servo motor four 19 drives driving roller 17 to reverse, driving roller 17 drives driving gear 18 to reverse, driving gear 18 engages driven gear 21 and drives driven roller 20 to reverse, so that driving roller 17 and driven roller 20 cooperate and pull out the sub-plug from sub-plug wire end 3, so that driving roller 17 rubs the identification paint indicating unqualified on the sub-plug of wire when rotating, and rubs "unqualified" word through seal part two 27, realizes the automatic identification and plug of wire.

[0031] The utility model realizes the main function is:

[0032] 1, can detect the heating condition while detecting the wire conduction of wire harness, more functions, less limitations, good practicability;

[0033] 2, can automatically identify abnormal heating point;

[0034] 3. The plug-in and plug-out of the sub-plug can be automatically realized, and the work efficiency is high;

[0035] 4. The conduction of the electric wire can be automatically identified.

[0036] The installation mode, the connection mode or the setting mode of the automobile wire harness conduction detection jig are all common mechanical modes, and as long as the beneficial effects can be achieved, the implementation can be carried out; the platform 1, the total plug end 2, the sub-plug end 3, the infrared camera 4, the mechanical arm 5, the spray head 6, the slide rail 8, the lead screw 9, the servo motor one 10, the servo motor two 11, the servo motor three 14, the heat insulation block 15, the driving roller 17, the driving gear 18, the servo motor four 19, the driven roller 20, the driven gear 21, the push cylinder one 22, the ink cartridge one 23, the push rod two 24 and the ink cartridge two 25 of the automobile wire harness conduction detection jig are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, and the technical personnel in the field do not need to pay creative labor.

[0037] All the technical and scientific terms used in the present application have the same meaning as that understood by the technical personnel in the technical field of the present application. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0038] The above is only the preferred embodiment of the present application, and it should be pointed out that for the ordinary technical personnel in the technical field, without departing from the technical principle of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the present application.

Claims

1. An automobile wire harness conduction detection jig, comprising a platform (1), a total plug-in end (2) and a plurality of sub plug-in ends (3), the total plug-in end (2) and the plurality of sub plug-in ends (3) are installed on the platform (1), and a detection circuit is arranged between the platform (1) and the plurality of sub plug-in ends (3); characterized in that, The infrared camera (4), gantry assembly, mechanical arm (5), spray head (6) and multiple plug-pull mechanisms are further included.

2. The harness continuity detection fixture of claim 1, wherein, The gantry assembly includes two upright columns (7), slide rail (8), lead screw (9) and servo motor one (10), the two upright columns (7) are oppositely installed on the left and right ends of the platform (1), the two ends of the slide rail (8) are connected with the two upright columns (7) respectively, the infrared camera (4) is slidably installed on the slide rail (8) through a sliding table, the two ends of the lead screw (9) are rotatably connected with the two upright columns (7) respectively, the sliding table of the infrared camera (4) is drivingly connected with the lead screw (9) through a lead screw nut, the servo motor one (10) is installed on the upright column (7), and the output shaft of the servo motor one (10) is drivingly connected with the lead screw (9).

3. The harness continuity detection fixture of claim 1, wherein, The mechanical arm (5) includes servo motor two (11), horizontal arm one (12), horizontal arm two (13) and servo motor three (14), the servo motor two (11) is installed on the left part of the platform (1), the left end of the horizontal arm one (12) is connected with the output shaft of the servo motor two (11), the horizontal arm one (12) is horizontally arranged, the left end of the horizontal arm two (13) is hingedly connected with the right end of the horizontal arm one (12) through a hinge shaft, the horizontal arm two (13) is horizontally arranged, the servo motor three (14) is installed on the horizontal arm one (12), the output shaft of the servo motor three (14) is drivingly connected with the hinge shaft of the horizontal arm two (13), and the spray head (6) is installed on the right end of the horizontal arm two (13).

4. The harness continuity detection fixture of claim 1, wherein, The heat insulation block (15) is further included and installed on the upper end of the spray head (6).

5. The harness continuity detection fixture of claim 1, wherein, The plug-pull mechanism includes mounting plate (16), driving roller (17), driving gear (18), servo motor four (19), driven roller (20) and driven gear (21), the mounting plate (16) is installed on the platform (1), the driving roller (17) is rotatably installed on the mounting plate (16) through a center shaft one, the driving gear (18) is concentrically installed on the end face of the driving roller (17), the servo motor four (19) is installed on the mounting plate (16), the output shaft of the servo motor four (19) is drivingly connected with the driving roller (17), the driven roller (20) is rotatably installed on the mounting plate (16) through a center shaft two, the driven gear (21) is concentrically installed on the end face of the driven roller (20), the driven gear (21) is meshed with the driving gear (18), and the driving roller (17) and the driven roller (20) are located on the two sides of the sub-wiring end (3) respectively.

6. The harness continuity detection fixture of claim 5, wherein, It also includes a push cylinder one (22), an ink box one (23), a push rod two (24) and an ink box two (25), the push cylinder one (22) is installed on the side of the mounting plate (16) close to the driven roller (20), the ink box one (23) is installed on the piston rod of the push cylinder one (22), the ink box one (23) is provided with a wiping brush head one, the wiping brush head one of the ink box one (23) is aligned with the outer wall of the driven roller (20), the push rod two (24) is installed on the side of the mounting plate (16) close to the driving roller (17), the ink box two (25) is installed on the piston rod of the push rod two (24), the ink box two (25) is provided with a wiping brush head two, and the wiping brush head two is aligned with the outer wall of the driving roller (17).

7. The automotive wiring harness continuity testing fixture as described in claim 6, characterized in that, It also includes a seal part one (26) and a seal part two (27), the seal part one (26) is arranged on the outer wall of the driven roller (20), and the seal part two (27) is arranged on the outer wall of the driving roller (17).

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