Automobile wire harness stretching detection device

Abstract

The utility model relates to the technical field of wire harness detection, in particular to an automobile wire harness stretching detection device, which comprises a base, a fixed block and a pull rope, the surface of the base is fixedly connected with the fixed block, the surface of the base is provided with a fixed clamping device, the surface of the fixed block is provided with an auxiliary stretching detection device, and the surface of the fixed block is fixedly connected with a top plate. According to the automobile wire harness stretching detection device, the fixed clamping device is matched with a terminal of a compressed automobile wire harness, and the terminal of the compressed automobile wire harness is fixedly clamped through the clamping block, so that data abnormity caused by infirm clamping and fixing is avoided, and the detection effect of the device is improved; through the cooperation of the auxiliary stretching detection device and the stretching detector, the pull rope pulls the stretching detector to carry out stretching test on the automobile wire harness, and the stretching detector carries out stretching detection on the automobile wire harness, so that the test accuracy is realized, and the detection accuracy of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness detection, in particular to a vehicle wire harness stretch detection device. Background Art

[0002] The automotive wiring harness is the network body of the automotive circuit. Without the wiring harness, there would be no automotive circuit. After the automotive wiring harness is produced, the automotive wiring harness and wiring harness terminals need to be compressed and then subjected to tensile testing. They can only be used after passing the test.

[0003] For example, the authorization announcement number is "CN217765832U", which is a kind of automobile wiring harness tension detection device. By setting an adjustment component, the detection device has the function of left and right position adjustment, so as to achieve the effect of left and right position adjustment of the detection device, so as to facilitate the tension detection of the wiring harness and the terminal block after the limit, which is convenient for the user to use and increases the practicality of the detection device. However, when fixing the automobile wiring harness, the device requires the operator to manually pull the No. 1 handle to drive the movable rod to move upward, insert the terminal block into the outside of the movable rod, and fix the automobile wiring harness under the action of the spring. The spring will deform when the tension is too large, causing the automobile wiring harness to fail to limit, resulting in abnormal detection data, which reduces the detection effect of the device. The device drives the threaded rod to rotate by a motor to perform a tensile test on the automobile wiring harness. There is no detector for detection, so the accuracy of the test cannot be achieved, which reduces the detection accuracy of the device. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that when fixing the automobile wiring harness by a spring, the spring will be deformed when subjected to excessive force, resulting in abnormal experimental data, reducing the detection effect of the device; and the device lacks a detector for detection, and the accuracy of the test cannot be achieved, which reduces the detection accuracy of the device. A vehicle wiring harness stretching detection device is proposed.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A vehicle wiring harness stretch detection device is designed, comprising a base, a fixed block and a pull rope, wherein the surface of the base is fixedly connected to the fixed block, the surface of the base is provided with a fixed clamping device, the surface of the fixed block is provided with an auxiliary stretch detection device, the surface of the fixed block is fixedly connected to a top plate, and the surface of the base is fixedly connected to a supporting leg.

[0007] Preferably, the fixed clamping device includes a first motor and a first shell, the surface of the first shell is fixedly connected to a base, the first motor is fixedly connected to the surface of the first shell through a bracket, the output shaft of the first motor is rotatably connected to the surface of the first shell through a bearing, the output shaft of the first motor is fixedly connected to a threaded rod, the surface of the threaded rod is threadedly connected to a threaded hole opened on the surface of a threaded block, the surface of the threaded block is movably connected to one end of a connecting rod through a rotating shaft, the other end of the connecting rod is movably connected to the surface of a clamp arm through a rotating shaft, and the surface of the clamp arm is fixedly connected to a clamp block.

[0008] Preferably, the other end of the threaded rod is rotatably connected to the first shell surface via a bearing, the threaded block surface is slidably connected to a slideway opened on the first shell surface, the protruding portion of the clamp arm surface is slidably connected to the slideway opened on the first shell surface, and the clamp block surface is processed with a groove.

[0009] Preferably, one end of the pull rope is fixedly connected to the stretch detector, and the other end of the stretch detector is fixedly connected to the automobile wiring harness.

[0010] Preferably, the auxiliary stretching detection device includes a hydraulic cylinder and a rotating drum, the surface of the hydraulic cylinder is fixedly connected to the surface of the fixed block, the surface of the base is fixedly connected to a fixed plate, the telescopic end of the hydraulic cylinder is fixedly connected to a rack, the rack is meshed with a first gear, the first gear is meshed with a second gear, the protruding portion of the first gear surface and the protruding portion of the second gear surface are rotatably connected to the surface of the fixed plate through bearings respectively, and the surface of the second gear is fixedly connected to a rotating drum.

[0011] Preferably, the rack surface is slidably connected to a slideway provided on the base surface, and a draw rope is fixedly wound around the surface of the rotating drum.

[0012] The utility model proposes a vehicle wiring harness stretching detection device, which has the beneficial effects of: by fixing the clamping device and cooperating with the terminals of the vehicle wiring harness after being compressed, starting the output shaft of the first motor to rotate and drive the threaded rod to rotate, the threaded rod rotation drives the threaded block to move horizontally to the right, the threaded block drives the connecting rod to move, the connecting rod pulls the clamping arm to move, the clamping arm drives the clamping block to fix and clamp the terminals of the vehicle wiring harness after being compressed, and the clamping block fixes and clamps the terminals of the vehicle wiring harness after being compressed, thereby avoiding data abnormalities caused by loose clamping and improving the detection effect of the device.

[0013] Through the cooperation of the auxiliary stretching detection device and the stretching detector, the telescopic end of the hydraulic cylinder is started to extend to drive the rack to move horizontally to the right, the rack drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotating drum to rotate, the rotating drum winds and tightens the pull rope, the pull rope pulls the stretching detector to perform a stretch test on the automobile wiring harness, and the stretching detector is used to perform a stretch test on the automobile wiring harness, thereby achieving the accuracy of the test and improving the detection accuracy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A front cross-sectional view of

[0016] Figure 3 for Figure 2 A side cross-sectional view of the auxiliary tensile testing device;

[0017] Figure 4 for Figure 2 Part A of the figure;

[0018] Figure 5 for Figure 2 A side sectional view of the fixing clamping device;

[0019] Figure 6 for Figure 2 FIG. 20B is a diagram of part B;

[0020] Figure 7 for Figure 2 A three-dimensional schematic diagram of the middle clamp arm and the clamp block;

[0021] Figure 8 for Figure 2 A three-dimensional schematic diagram of the second gear and the rotating drum.

[0022] In the figure: 1. base, 2. fixed clamping device, 201. first motor, 202. first housing, 203. threaded rod, 204. threaded block, 205. connecting rod, 206. clamping arm, 207. clamping block, 3. auxiliary stretching detection device, 301. hydraulic cylinder, 302. rack, 303. fixed plate, 304. first gear, 305. second gear, 306. rotating drum, 4. fixed block, 5. top plate, 6. supporting leg, 7. pull rope, 8. stretching detector, 9. automobile wiring harness. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] See attached Figure 1-8In the present embodiment, an automobile wiring harness stretching detection device includes a base 1, a fixed block 4 and a pull rope 7. The fixed block 4 is fixedly connected to the surface of the base 1, a fixed clamping device 2 is provided on the surface of the base 1, an auxiliary stretching detection device 3 is provided on the surface of the fixed block 4, a top plate 5 is fixedly connected to the surface of the fixed block 4, and a supporting leg 6 is fixedly connected to the surface of the base 1.

[0025] The other end of the threaded rod 203 is rotationally connected to the surface of the first shell 202 through a bearing, the surface of the threaded block 204 is slidably connected to the slideway opened on the surface of the first shell 202, the first shell 202 limits the position and movement track of the threaded block 204 and the clamping arm 206, the protruding part of the surface of the clamping arm 206 is slidably connected to the slideway opened on the surface of the first shell 202, the surface of the clamping block 207 is processed with a groove, the groove processed on the surface of the clamping block 207 can place the terminal of the automobile wiring harness 9 after compression, one end of the pull rope 7 is fixedly connected to the tensile detector 8, the model of the tensile detector 8 is the Edburgh terminal push-pull force tester, the other end of the tensile detector 8 is fixedly connected to the automobile wiring harness 9, the surface of the rack 302 is slidably connected to the slideway opened on the surface of the base 1, and the surface of the rotating drum 306 is fixedly wrapped with a pull rope 7.

[0026] Refer to the attached Figure 1 , 2 , 4, 5 and 7: The fixed clamping device 2 includes a first motor 201 and a first housing 202. The first motor 201 can meet the working requirements according to actual requirements. The surface of the first housing 202 is fixedly connected to a base 4. The first motor 201 is fixedly connected to the surface of the first housing 202 through a bracket. The output shaft of the first motor 201 is rotatably connected to the surface of the first housing 202 through a bearing. The output shaft of the first motor 201 is fixedly connected to a threaded rod 203. The rotation of the first motor 201 drives the threaded rod 203 to rotate. The surface of the threaded rod 203 is threadedly connected to a threaded hole opened on the surface of a threaded block 204. The rotation of the threaded rod 203 drives the threaded block 204 to move. The surface of the threaded block 204 is movably connected to one end of a connecting rod 205 through a rotating shaft. The movement of the threaded block 204 drives the connecting rod 205 to move. The other end of the connecting rod 205 is movably connected to the surface of a clamping arm 206 through a rotating shaft. The connecting rod 205 pulls the clamping arm 206 to move. The surface of the clamping arm 206 is fixedly connected to a clamping block 207.

[0027] Refer to the attached Figure 1-3And 8: The auxiliary stretching detection device 3 includes a hydraulic cylinder 301 and a rotating drum 306. The hydraulic cylinder 301 can meet the working requirements according to actual requirements. The surface of the hydraulic cylinder 301 is fixedly connected to the surface of the fixed block 4, and the surface of the base 1 is fixedly connected to a fixed plate 303. The telescopic end of the hydraulic cylinder 301 is fixedly connected to a rack 302. The movement of the telescopic end of the hydraulic cylinder 301 drives the rack 302 to move. The rack 302 is meshed with the first gear 304. The movement of the rack 302 drives the first gear 304 to rotate. The first gear 304 is meshed with the second gear 305. The rotation of the first gear 304 drives the second gear 305 to rotate. The number of gears of the first gear 304 is more than the number of gears of the second gear 305. The protruding part on the surface of the first gear 304 and the protruding part on the surface of the second gear 305 are respectively connected to the surface of the fixed plate 303 through bearings for rotation. The surface of the second gear 305 is fixedly connected to a rotating drum 306, and the rotation of the second gear 305 drives the rotating drum 306 to rotate.

[0028] Working principle:

[0029] Preparation process for automotive wiring harness stretch test:

[0030] The operator places the compressed terminal of the automobile wiring harness in the groove on the surface of the clamp block 207 and fixes the other end of the automobile wiring harness on the tensile detector 8 .

[0031] Fixed clamping process for automotive wiring harness stretch detection:

[0032] The operator connects the external power supply of the first motor 201, starts the output shaft of the first motor 201 to rotate and drive the threaded rod 203 to rotate, the threaded rod 203 rotates and drives the threaded block 204 to move horizontally to the right, the threaded block 204 drives the connecting rod 205 to move, the connecting rod 205 pulls the clamping arm 206 to move, the clamping arm 206 drives the clamping block 207 to fix and clamp the terminal of the automobile wiring harness after compression, according to the above operation, the output shaft of the first motor 201 is started again to reverse and drive the clamping block 207 to no longer fix and clamp the terminal of the automobile wiring harness after compression, so that the operator can replace it conveniently and complete the fixing and clamping process of the automobile wiring harness stretching detection.

[0033] Automobile wiring harness stretch detection process:

[0034] The operator connects the external power supply of the hydraulic cylinder 301, starts the telescopic end of the hydraulic cylinder 301 to extend, drives the rack 302 to move horizontally to the right, the rack 302 drives the first gear 304 to rotate, the first gear 304 drives the second gear 305 to rotate, the second gear 305 drives the rotating drum 306 to rotate, the rotating drum 306 winds and tightens the pull rope 7, the pull rope 7 pulls the tensile detector 8 to perform a tensile test on the automobile wiring harness 9, according to the above operation, the telescopic end of the hydraulic cylinder 301 is started again to shorten and drive the rack 302 to return to its original position, completing the tensile test process of the automobile wiring harness.

[0035] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automobile wiring harness stretching detection device, comprising a base (1), a fixing block (4) and a pull rope (7), wherein the fixing block (4) is fixedly connected to the surface of the base (1), and characterized in that: The surface of the base (1) is provided with a fixed clamping device (2), the surface of the fixed block (4) is provided with an auxiliary stretching detection device (3), the surface of the fixed block (4) is fixedly connected to a top plate (5), and the surface of the base (1) is fixedly connected to a supporting leg (6).

2. The automotive wiring harness stretch detection device according to claim 1, characterized in that: The fixing clamping device (2) comprises a first motor (201) and a first housing (202); the surface of the first housing (202) is fixedly connected to a base (1); the first motor (201) is fixedly connected to the surface of the first housing (202) via a bracket; the output shaft of the first motor (201) is rotatably connected to the surface of the first housing (202) via a bearing; the output shaft of the first motor (201) is fixedly connected to a threaded rod (203); the surface of the threaded rod (203) is threadedly connected to a threaded hole provided on the surface of a threaded block (204); the surface of the threaded block (204) is movably connected to one end of a connecting rod (205) via a rotating shaft; the other end of the connecting rod (205) is movably connected to the surface of a clamp arm (206) via a rotating shaft; and the surface of the clamp arm (206) is fixedly connected to a clamp block (207).

3. The automobile wiring harness stretching detection device according to claim 2, characterized in that: The other end of the threaded rod (203) is rotationally connected to the surface of the first shell (202) via a bearing, the surface of the threaded block (204) is slidably connected to a slideway provided on the surface of the first shell (202), the protruding portion of the surface of the clamping arm (206) is slidably connected to the slideway provided on the surface of the first shell (202), and the surface of the clamping block (207) is processed with a groove.

4. The automobile wire harness stretching detection device according to claim 1, characterized in that: One end of the pull rope (7) is fixedly connected to a stretch detector (8), and the other end of the stretch detector (8) is fixedly connected to a vehicle wiring harness (9).

5. The automobile wire harness stretching detection device according to claim 1, characterized in that: The auxiliary stretching detection device (3) comprises a hydraulic cylinder (301) and a rotating drum (306); the surface of the hydraulic cylinder (301) is fixedly connected to the surface of a fixed block (4); the surface of the base (1) is fixedly connected to a fixed plate (303); the telescopic end of the hydraulic cylinder (301) is fixedly connected to a rack (302); the rack (302) is meshed with a first gear (304); the first gear (304) is meshed with a second gear (305); the protruding portion on the surface of the first gear (304) and the protruding portion on the surface of the second gear (305) are rotatably connected to the surface of the fixed plate (303) via bearings respectively; the surface of the second gear (305) is fixedly connected to a rotating drum (306).

6. The automobile wire harness stretching detection device according to claim 5, characterized in that: The surface of the rack (302) is slidably connected to a slideway provided on the surface of the base (1), and a pull rope (7) is fixedly wound around the surface of the rotating drum (306).

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