Automobile wire harness stretching test tool

Abstract

The utility model discloses an automobile wire harness tensile test tool, and relates to the technical field of automobile production. The device comprises a workbench, the top of the workbench is fixedly connected with a limiting shell, and the interior of the limiting shell is fixedly connected with a dynamometer; a protection assembly is arranged at the bottom of the workbench and comprises vertical plates, the vertical plates are fixedly connected to the two sides of the bottom of the workbench, and a transmission motor is fixedly connected to one side of each vertical plate. Through work of a transmission motor, a first threaded rod can be driven to rotate, then a first threaded sleeve is driven to move, the first threaded sleeve drives a protection plate to move through a movable plate, meanwhile, the first threaded rod can drive a worm to rotate, the worm drives a worm gear to rotate, and therefore a second threaded rod rotates; and a second threaded rod can drive a second threaded sleeve to move, and the second threaded sleeve drives a transverse plate to move, so that the purpose of protecting a tester during a tensile test can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile production, and particularly relates to a stretching test tooling for automobile wire harnesses. Background Art

[0002] The stretching test tooling for automobile wire harnesses is a special device used to evaluate the tensile resistance performance of automobile wire harnesses under different conditions. Through systematic stretching tests, it can reduce the failure rate of automobiles caused by wire harness problems and improve the overall quality and safety of automobiles.

[0003] In the existing stretching test tooling for automobile wire harnesses, when the automobile wire harness breaks during the test, it will cause the wire harness to quickly swing outwards and form a catapult injury, thus posing a potential safety hazard to the test personnel. Moreover, when fixing the automobile wire harness, most devices fix it on both sides, resulting in the situation that the automobile wire harness is prone to sliding or falling off during the stretching test, thus affecting the accuracy of the test.

[0004] Therefore, we provide a stretching test tooling for automobile wire harnesses to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a stretching test tooling for automobile wire harnesses. Through the cooperation of a protection component and a clamping component, it solves the problems that the existing stretching test tooling for automobile wire harnesses cannot effectively protect the surrounding test personnel and the clamping of the automobile wire harness is not firm enough.

[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0007] The utility model is a stretching test tooling for automobile wire harnesses, including a workbench. A limit shell is fixedly connected to the top of the workbench, and a dynamometer is fixedly connected inside the limit shell;

[0008] A protection component is arranged at the bottom of the workbench. The protection component includes vertical plates fixedly connected to both sides of the bottom of the workbench. A driving motor is fixedly connected to one side of the vertical plates. The output end of the driving motor is fixedly connected to a first threaded rod. A cross plate is arranged on the top of the workbench, and a protection piece is arranged on the surface of the first threaded rod;

[0009] A clamping component is arranged on the top of the cross plate. The clamping component includes a driving motor fixedly connected to one side of the bottom of the cross plate. The output end of the driving motor is fixedly connected to a transmission gear. A toothed disc is meshed with one side of the transmission gear, and a clamping piece is arranged inside the toothed disc.

[0010] The present utility model is further configured such that the protective member includes a first threaded sleeve which is threadedly connected to the surface of the first threaded rod. One side of the first threaded sleeve is fixedly connected to a connecting plate. One side of the top of the connecting plate is fixedly connected to a moving plate, and the top of the moving plate is fixedly connected to a protective plate.

[0011] The present utility model is further configured such that one side of the surface of the first threaded rod is fixedly connected to a worm, and the worm meshes with a worm wheel on one side. The top of the worm wheel is fixedly connected to a second threaded rod, and the surface of the second threaded rod is threadedly connected to a second threaded sleeve. One side of the cross plate is fixedly connected to the surface of the second threaded sleeve.

[0012] The present utility model is further configured such that the clamping member includes a sliding groove which is formed inside the gear disc. A vertical rod is slidably connected inside the sliding groove. The bottom of the vertical rod is fixedly connected to a movable plate, and one side of the movable plate is fixedly connected to a clamping plate.

[0013] The present utility model is further configured such that an activity groove is formed inside the gear disc. A support rod is fixed on the top of the cross plate, and the gear disc is rotationally connected to the surface of the support rod through the activity groove.

[0014] The present utility model is further configured such that a guide plate is fixedly connected to the top of the cross plate, and the movable plate is slidably connected to the surface of the guide plate.

[0015] The present utility model is further configured such that a guide rod is fixedly connected to one side of the vertical plate, and the connecting plate is slidably connected to the surface of the guide rod.

[0016] The present utility model is further configured such that an observation groove is formed inside the protective plate, and an observation window is fixedly connected inside the observation groove.

[0017] The present utility model has the following beneficial effects:

[0018] 1. Through the operation of the drive motor, the present utility model can drive the first threaded rod to rotate, thereby driving the first threaded sleeve to move. The first threaded sleeve drives the protective plate to move through the moving plate. At the same time, the first threaded rod will also drive the worm to rotate, and the worm drives the worm wheel to rotate, so that the second threaded rod rotates. The second threaded rod will drive the second threaded sleeve to move, and the second threaded sleeve drives the cross plate to move, so as to achieve the purpose of protecting the test personnel during the tensile test.

[0019] 2. Through the operation of the drive motor, the present utility model can drive the transmission gear to rotate, the transmission gear drives the gear disc to rotate, the gear disc drives the vertical rod to move through the internal sliding groove, the vertical rod drives the movable plate to move, and the movable plate drives the clamping plate to move, so as to achieve the purpose of simultaneously clamping the periphery of the automotive wire harness and prevent sliding or falling during the test.

[0020] Of course, it is not necessary for any product implementing the present utility model to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for describing the embodiments will be briefly introduced below.

[0022] Figure 1 It is a three-dimensional structure diagram of a stretching test tooling for an automotive wiring harness;

[0023] Figure 2 It is a schematic structural diagram of a clamping member in a stretching test tooling for an automotive wiring harness;

[0024] Figure 3 It is an exploded view of a clamping member in a stretching test tooling for an automotive wiring harness;

[0025] Figure 4 It is a schematic structural diagram of a protective member in a stretching test tooling for an automotive wiring harness;

[0026] Figure 5 It is a schematic structural diagram of a protective component in a stretching test tooling for an automotive wiring harness.

[0027] In the drawings: 1, workbench; 2, limit shell; 3, dynamometer; 4, vertical plate; 5, drive motor; 6, first threaded rod; 7, cross plate; 8, drive motor; 9, transmission gear; 10, gear disk; 11, first threaded sleeve; 12, connecting plate; 13, moving plate; 14, protective plate; 15, worm; 16, worm gear; 17, second threaded rod; 18, second threaded sleeve; 19, sliding groove; 20, vertical rod; 21, movable plate; 22, clamping plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The technical solutions in the embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0029] For specific embodiment 1, please refer to Figures 1-5, the utility model relates to a stretching test tooling for automobile wire harnesses, which comprises a workbench 1. A limit shell 2 is fixedly connected to the top of the workbench 1, and a dynamometer 3 is fixedly connected inside the limit shell 2; a protection component is arranged at the bottom of the workbench 1. The protection component comprises vertical plates 4, and the vertical plates 4 are fixedly connected to both sides of the bottom of the workbench 1. A driving motor 5 is fixedly connected to one side of the vertical plate 4, and a first threaded rod 6 is fixedly connected to the output end of the driving motor 5. A cross plate 7 is arranged on the top of the workbench 1, and a protection part is arranged on the surface of the first threaded rod 6; a clamping component is arranged on the top of the cross plate 7. The clamping component comprises a driving motor 8, and the driving motor 8 is fixedly connected to one side of the bottom of the cross plate 7. A transmission gear 9 is fixedly connected to the output end of the driving motor 8, and a toothed disc 10 is meshed with one side of the transmission gear 9. A clamping part is arranged inside the toothed disc 10.

[0030] Specifically: the dynamometer 3 can provide accurate tensile force values, increasing the accuracy of the test. There are two vertical plates 4, which are symmetrically and fixedly arranged on both sides of the bottom of the workbench 1. The first threaded rod 6 is rotatably connected to one side of the vertical plate 4 through a bearing. The driving motor 8 can drive the toothed disc 10 to rotate through the transmission gear 9, facilitating subsequent clamping work.

[0031] Specific embodiment two, please refer to Figures 1-5 , on the basis of specific embodiment one, the protection part comprises a first threaded sleeve 11, and the first threaded sleeve 11 is threadedly connected to the surface of the first threaded rod 6. A connecting plate 12 is fixedly connected to one side of the first threaded sleeve 11. A moving plate 13 is fixedly connected to one side of the top of the connecting plate 12. A protection plate 14 is fixedly connected to the top of the moving plate 13. A worm 15 is fixedly connected to one side of the surface of the first threaded rod 6, and a worm gear 16 is meshed with one side of the worm 15. A second threaded rod 17 is fixedly connected to the top of the worm gear 16. A second threaded sleeve 18 is threadedly connected to the surface of the second threaded rod 17. One side of the cross plate 7 is fixedly connected to the surface of the second threaded sleeve 18. The clamping part comprises a sliding groove 19, and the sliding groove 19 is opened inside the toothed disc 10. A vertical rod 20 is slidably connected inside the sliding groove 19. A movable plate 21 is fixedly connected to the bottom of the vertical rod 20. A clamping plate 22 is fixedly connected to one side of the movable plate 21. An activity groove is opened inside the toothed disc 10. A support rod is fixed on the top of the cross plate 7. The toothed disc 10 is rotatably connected to the surface of the support rod through the activity groove. A guide plate is fixedly connected to the top of the cross plate 7. The movable plate 21 is slidably connected to the surface of the guide plate. A guide rod is fixedly connected to one side of the vertical plate 4. The connecting plate 12 is slidably connected to the surface of the guide rod. An observation groove is opened inside the protection plate 14, and an observation window is fixedly connected inside the observation groove.

[0032] Specifically: The first threaded sleeve 11 can drive the connecting plate 12 to move. The protective plate 14 can prevent debris from hurting the tester. The worm 15 can drive the second threaded rod 17 to rotate through the worm gear 16. The second threaded rod 17 can drive the cross plate 7 to move upward through the second threaded sleeve 18, so as to increase the tensile force. There are four sliding grooves 19, which can drive the vertical rods 20 to move, so as to clamp and fix the four sides of the automotive wire harness at the same time. There are four vertical rods 20, all of which are slidably connected inside the sliding grooves 19. There are four movable plates 21, which are respectively fixed at the bottoms of the vertical rods 20. There are four support rods, all of which are fixed on the top of the cross plate 7. It can support the toothed disc 10. There are four guide plates, which can limit the movable plates 21. The guide rod can limit the first threaded sleeve 11 to prevent it from rotating during movement. The observation window can observe the test situation of the automotive wire harness in real time.

[0033] The working principle of the present utility model is as follows: When it is necessary to clamp the four sides of the automotive wire harness, the user starts the drive motor 8 through an external controller. The drive motor 8 drives the transmission gear 9 to rotate. The transmission gear 9 drives the toothed disc 10 to rotate. The toothed disc 10 drives the vertical rod 20 to move through the sliding groove 19. The vertical rod 20 drives the movable plate 21 to move. The movable plate 21 drives the clamping plate 22 to move, so as to clamp the four sides of the automotive wire harness at the same time, and prevent the problems of sliding or falling off during the test.

[0034] When it is necessary to test the automotive wire harness, the user starts the transmission motor 5 through an external controller. The transmission motor 5 drives the first threaded rod 6 to rotate. The first threaded rod 6 drives the first threaded sleeve 11 to move to the right. The first threaded sleeve 11 drives the connecting plate 12 to move to the right. The connecting plate 12 drives the moving plate 13 to move to the right. The moving plate 13 drives the protective plate 14 to move to the right. At the same time, the first threaded rod 6 will also drive the worm 15 to rotate. The worm 15 drives the worm gear 16 to rotate. The worm gear 16 drives the second threaded rod 17 to rotate. The second threaded rod 17 drives the second threaded sleeve 18 to move. The second threaded sleeve 18 drives the cross plate 7 to move. The cross plate 7 pulls the automotive wire harness through the clamping assembly. When the second threaded sleeve 18 moves to the preset position, the protective plate 14 will also move to the front of the automotive wire harness. At this time, moving upward can apply a tensile force to the automotive wire harness. While moving upward, the protective plate 14 will continue to move to the right. It can also provide protection during movement without affecting the protection effect, so as to prevent the problem that the ejection injury generated during the test poses a safety hazard to the tester, and also prevent the problem that the automotive wire harness slides or falls off during the test.

[0035] The standard parts used in the present utility model can all be purchased from the market, and can also be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding which are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. The control method is automatically controlled through a control unit. The control circuit of the control unit can be realized by simple programming by those skilled in the art, which belongs to the common general knowledge in the art. Therefore, the control method and the circuit connection are not explained in detail in the present utility model.

[0036] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. The present specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can understand and utilize the present utility model well.

Claims

1. An automotive wiring harness stretching test tooling, comprising a workbench (1), characterized in that: A limiting shell (2) is fixedly connected to the top of the workbench (1), and a dynamometer (3) is fixedly connected inside the limiting shell (2); A protection component is arranged at the bottom of the workbench (1). The protection component includes a vertical plate (4). The vertical plate (4) is fixedly connected to both sides of the bottom of the workbench (1). A transmission motor (5) is fixedly connected to one side of the vertical plate (4). A first threaded rod (6) is fixedly connected to the output end of the transmission motor (5). A cross plate (7) is arranged on the top of the workbench (1), and a protection piece is arranged on the surface of the first threaded rod (6); A clamping component is arranged on the top of the cross plate (7). The clamping component includes a driving motor (8). The driving motor (8) is fixedly connected to one side of the bottom of the cross plate (7). A transmission gear (9) is fixedly connected to the output end of the driving motor (8). A toothed disc (10) is meshed with one side of the transmission gear (9), and a clamping piece is arranged inside the toothed disc (10).

2. The automotive wiring harness stretching test tooling according to claim 1, wherein: The protection piece includes a first threaded sleeve (11). The first threaded sleeve (11) is threadedly connected to the surface of the first threaded rod (6). A connecting plate (12) is fixedly connected to one side of the first threaded sleeve (11). A moving plate (13) is fixedly connected to one side of the top of the connecting plate (12), and a protection plate (14) is fixedly connected to the top of the moving plate (13).

3. The automotive wire harness stretching test tooling according to claim 2, wherein: A worm (15) is fixedly connected to one side of the surface of the first threaded rod (6). A worm gear (16) is meshed with one side of the worm (15). A second threaded rod (17) is fixedly connected to the top of the worm gear (16). A second threaded sleeve (18) is threadedly connected to the surface of the second threaded rod (17), and one side of the cross plate (7) is fixedly connected to the surface of the second threaded sleeve (18).

4. The automotive wiring harness stretching test tooling according to claim 1, characterized in that: The clamping piece includes a sliding groove (19). The sliding groove (19) is opened inside the toothed disc (10). A vertical rod (20) is slidably connected inside the sliding groove (19). A movable plate (21) is fixedly connected to the bottom of the vertical rod (20), and a clamping plate (22) is fixedly connected to one side of the movable plate (21).

5. The automotive wire harness stretching test tooling according to claim 4, characterized in that: An activity groove is opened inside the toothed disc (10). A support rod is fixed to the top of the cross plate (7), and the toothed disc (10) is rotatably connected to the surface of the support rod through the activity groove.

6. The automotive wiring harness stretching test tooling according to claim 4, wherein: A guide plate is fixedly connected to the top of the cross plate (7), and the movable plate (21) is slidably connected to the surface of the guide plate.

7. The automotive wire harness stretching test tooling according to claim 2, characterized in that: A guide rod is fixedly connected to one side of the vertical plate (4), and the connecting plate (12) is slidably connected to the surface of the guide rod.

8. The automotive wiring harness stretching test tooling according to claim 2, characterized in that: An observation groove is opened inside the protection plate (14), and an observation window is fixedly connected inside the observation groove.

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