Wire harness end tension testing mechanism

Abstract

The utility model discloses a wire harness end tension testing mechanism, which comprises a base, a metal conductive piece positioning mechanism arranged on the base and a wire harness positioning mechanism arranged on the base, the wire harness positioning mechanism comprises a clamp arranged on the base and a driving unit connected with the clamp, the driving unit is arranged in the base, and the driving unit is provided with a swing handle; the metal conductive piece positioning mechanism comprises a left clamping jaw and a right clamping jaw, the left clamping jaw is connected with a pull rod of a tension scale, and the tension scale is fixed on the base. The left clamping jaw and the right clamping jaw clamp a metal conductive piece, the clamp clamps a wire harness body, and the swing handle drives the clamp to enable the wire harness body to be away from the metal conductive piece. The tension scale measures the tension of the wire harness on the metal conductive member in real time, including the tension when the wire harness main body is separated from the metal conductive member. Therefore, a worker can know the connection degree between the wire harness and the metal conductive piece according to the tension value, and compares the connection degree with a standard value to judge whether the connection degree between the wire harness and the metal conductive piece is qualified or not.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wire harness detection, and particularly relates to a wire harness detection device. BACKGROUND

[0002] The end of the wire harness is provided with a metal conductor, which comprises a clamping part and a connecting lug. The clamping part is clamped on the end of the wire harness, and the connecting lug is connected with the electrical device. In this way, the electrical device is powered through the wire harness. In order to ensure the quality of the wire harness, the connection degree of the metal conductor and the wire harness needs to be detected. During detection, external force is applied to the metal conductor or the wire harness to separate them. The value of the external force applied during separation serves as the basis for judging the connection degree of the metal conductor and the wire harness. SUMMARY

[0003] The utility model solves the technical problem that a wire harness end tension testing mechanism is provided.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a wire harness end tension testing mechanism, which comprises a base, a metal conductor positioning mechanism arranged on the base, and a wire harness positioning mechanism arranged on the base. The wire harness positioning mechanism comprises a clamp arranged on the base and a driving unit connected with the clamp. The driving unit is arranged in the base and is provided with an oscillating handle. The metal conductor positioning mechanism comprises left and right clamping jaws and a first screw rod connecting the left and right clamping jaws. The left clamping jaw is connected with a pull rod of a tension balance, and the tension balance is fixed on the base.

[0005] According to the above technical scheme, the left and right clamping jaws clamp the metal conductor, the clamp clamps the wire harness body, the worker oscillates the oscillating handle, drives the driving unit, and the driving unit drives the clamp to make the wire harness body away from the metal conductor. The tension balance measures the tension of the wire harness on the metal conductor in real time, including the tension when the wire harness body is separated from the metal conductor. In this way, the worker can know the connection degree between the wire harness and the metal conductor according to the tension value, compare it with the standard value, and judge whether the connection degree between the wire harness and the metal conductor is qualified.

[0006] The left and right clamping jaws are both in the shape of a Chinese character "KUO", and the left and right clamping jaws are combined into the shape of a Chinese character "KOU". A pair of guide rods are fixed on the left clamping jaw, and the right clamping jaw is provided with guide holes matched with the guide rods. An extension spring is arranged on one of the guide rods and located between the left and right clamping jaws. The worker rotates the first screw rod to make the left and right clamping jaws close and clamp the metal conductor, and at the same time, the extension spring is compressed. The worker rotates the first screw rod in the opposite direction, and under the action of the extension spring, the left and right clamping jaws move away.

[0007] The top of the left clamping jaw and the top of the right clamping jaw are stacked one above the other, and the top of the right clamping jaw is located below the top of the left clamping jaw. The top of the left clamping jaw is connected with the pull rod of the tension balance. The top of the left clamping jaw and the top of the right clamping jaw guide each other.

[0008] The nut is welded on the right clamping jaw, the tail end of the first screw rod is provided with a butterfly part, and the front end of the first screw rod passes through the left clamping jaw and the right clamping jaw and is screwed with the nut.

[0009] The left clamping jaw is provided with a first wedge structure at one end, the right clamping jaw is provided with a second wedge structure at one end, the first wedge structure and the second wedge structure are oppositely arranged, the end of the wire harness is clamped between the first wedge structure and the second wedge structure, the metal conductor of the wire harness end is located in front of the first wedge structure and the second wedge structure, and the main body of the wire harness is located behind the first wedge structure and the second wedge structure. The first wedge structure and the second wedge structure clamp the wire harness instead of the metal conductor, and the first wedge structure and the second wedge structure are in clearance fit with the wire harness, but the clearance between the first wedge structure and the second wedge structure is smaller than the metal conductor, that is, the metal conductor is not allowed to pass through. In this way, the clamp pulls the wire harness backward, the metal conductor is limited by the first wedge structure and the second wedge structure, and finally the metal conductor is separated from the wire harness.

[0010] The clamp comprises a clamp seat, a right clamping block fixedly installed on the clamp seat and a left clamping block movably fitted on the clamp seat, the left clamping block is pivotally connected with a second screw rod, the second screw rod is screwed on a screw rod support, and the screw rod support is fixed on the clamp seat; and the clamp seat is connected with a driving unit. Workers rotate the second screw rod to drive the left clamping block to close to the right clamping block, so that the wire harness is clamped.

[0011] The clamp seat is provided with a pair of guide blocks, and the left clamping block is fitted between the pair of guide blocks.

[0012] The opposite surfaces of the left clamping block and the right clamping block are provided with tooth-shaped structures, so that the wire harness can be effectively clamped.

[0013] The cover plate of the base is provided with a guide groove and a strip-shaped through hole, the driving unit comprises a driving block fixedly connected with the clamp seat, a rack connected with the driving block and a gear meshed with the rack, the driving block comprises a wide part connected with the clamp seat and a narrow part connected with the rack, the wide part is fitted in the guide groove, and the narrow part is fitted in the strip-shaped through hole; the gear shaft is installed on the side wall of the base, and the swing handle is connected with the gear shaft. Workers swing the swing handle to drive the gear, the gear drives the rack, the rack drives the driving block, the driving block drives the clamp seat, and the clamp seat drives the wire harness thereon.

[0014] The utility model provides a wire harness end tension test mechanism, and workers can intuitively know the stress condition between the wire harness and the metal conductor during detection. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings:

[0016] Figure 1 This is a schematic diagram of a wire harness end tensile testing mechanism;

[0017] Figure 2 for Figure 1 The left view.

[0018] Explanation of symbols in the diagram:

[0019] 10. Base; 11. Cover plate; 12. Guide groove; 13. Strip-shaped through hole;

[0020] 21. Swing handle;

[0021] 31. Left gripper; 310. First wedge structure; 32. Right gripper; 320. Second wedge structure; 33. First screw; 330. Butterfly part; 34. Guide rod; 35. Telescopic spring; 36. Nut;

[0022] 40. Tension scale;

[0023] 51. Fixture base; 52. Right clamping block; 520. Toothed structure; 53. Left clamping block; 54. Second screw; 55. Screw support; 56. Guide block;

[0024] 61. Drive block; 611. Wide part; 612. Narrow part; 62. Rack; 63. Gear; 630. Gear shaft. Detailed Implementation

[0025] refer to Figure 1 , Figure 2 The wire harness end tensile testing mechanism includes a base 10, a metal conductive component positioning mechanism mounted on the base, and a wire harness positioning mechanism mounted on the base. The wire harness positioning mechanism includes a clamp mounted on the base and a drive unit connected to the clamp. The drive unit is located in the base and has a swing handle 21. The metal conductive component positioning mechanism includes a left jaw 31 and a right jaw 32, and a first screw 33 connecting the left jaw and the right jaw. The left jaw is connected to the pull rod of the tensile scale 40, and the tensile scale is fixed on the base.

[0026] Both the left gripper 31 and the right gripper 32 are U-shaped. The left gripper and the right gripper are combined to form a square shape. A pair of guide rods 34 are fixed on the left gripper. The right gripper is provided with guide holes that cooperate with the guide rods. A telescopic spring 35 is provided on one of the guide rods. The telescopic spring is located between the left gripper and the right gripper.

[0027] The top of the left gripper 31 is stacked on top of the top of the right gripper 32, with the top of the right gripper located below the top of the left gripper. The top of the left gripper is connected to the pull rod of the tension scale 40.

[0028] The right clamping jaw 32 is welded with a nut 36, the tail end of the first screw rod 33 is provided with a butterfly 330, and the front end of the first screw rod is screwed with the nut through the left clamping jaw 31 and the right clamping jaw 32.

[0029] The left clamping jaw 31 is provided with a first wedge structure 310 at one end, and the right clamping jaw 32 is provided with a second wedge structure 320 at one end, the first wedge structure and the second wedge structure are oppositely arranged, the end of the wire harness is clamped between the first wedge structure and the second wedge structure, the metal conductor of the wire harness end is located in front of the first wedge structure and the second wedge structure, and the main body of the wire harness is located behind the first wedge structure and the second wedge structure.

[0030] The clamp comprises a clamp seat 51, a right clamping block 52 fixedly installed on the clamp seat, and a left clamping block 53 movably matched with the clamp seat, the left clamping block is pivotally connected with a second screw rod 54, the second screw rod is screwed on a screw rod support 55, and the screw rod support is fixed on the clamp seat; the clamp seat is connected with a driving unit.

[0031] The clamp seat 51 is provided with a pair of guide blocks 56, and the left clamping block 53 is matched between the pair of guide blocks.

[0032] The opposite surfaces of the left clamping block 53 and the right clamping block 52 are provided with toothed structures 520.

[0033] The cover plate 11 of the base 10 is provided with a guide groove 12 and a strip-shaped through hole 13, the driving unit comprises a driving block 61 fixedly connected with the clamp seat 51, a rack 62 connected with the driving block, and a gear 63 meshed with the rack, the driving block comprises a wide part 611 connected with the clamp seat, and a narrow part 612 connected with the rack, the wide part is matched in the guide groove, and the narrow part is matched in the strip-shaped through hole; a gear shaft 630 is installed on the side wall of the base, and the swing handle 21 is connected with the gear shaft.

[0034] The left clamping jaw 31 and the right clamping jaw 32 clamp the neck part where the metal conductor is connected with the wire harness, the clamp clamps the main body of the wire harness, the worker swings the swing handle 21, drives the gear 63, the gear drives the rack 62, the rack drives the driving block 61, the driving block drives the clamp seat 51, and the clamp seat drives the wire harness thereon, so that the main body of the wire harness is away from the metal conductor. The tension balance measures the tension of the wire harness on the metal conductor in real time, including the tension when the main body of the wire harness is separated from the metal conductor. In this way, the worker can know the connection degree between the wire harness and the metal conductor according to the tension value, compare with the standard value, and judge whether the connection degree between the wire harness and the metal conductor is qualified.

[0035] The above is only a preferred embodiment of the present application, and for those skilled in the art, the specific embodiment and application range can be changed according to the idea of the present application, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A wire harness end tension testing mechanism, comprising a base (10), a metal conductive member positioning mechanism arranged on the base, a wire harness positioning mechanism arranged on the base, the wire harness positioning mechanism comprising a clamp arranged on the base, a driving unit connected with the clamp, the driving unit being arranged in the base, the driving unit being provided with a swing handle (21); characterized in that: The metal conductive piece positioning mechanism comprises a left clamping jaw (31) and a right clamping jaw (32), a first screw rod (33) connecting the left clamping jaw and the right clamping jaw, the left clamping jaw being connected with a pull rod of a tension balance (40), and the tension balance being fixed on the base.

2. The wiring harness end pull test mechanism of claim 1, wherein: The left clamping jaw (31) and the right clamping jaw (32) are both in the shape of a concave letter, and the left clamping jaw and the right clamping jaw are combined into the shape of an open letter, a pair of guide rods (34) are fixed on the left clamping jaw, the right clamping jaw is provided with guide holes matched with the guide rods, an extension spring (35) is arranged on one of the guide rods, and the extension spring is located between the left clamping jaw and the right clamping jaw.

3. The wiring harness end pull test mechanism of claim 2, wherein: The top of the left clamping jaw (31) and the top of the right clamping jaw (32) are stacked one above the other, the top of the right clamping jaw is located below the top of the left clamping jaw, and the top of the left clamping jaw is connected with the pull rod of the tension balance (40).

4. The wire harness end pull test mechanism of claim 1, wherein: A nut (36) is welded on the right clamping jaw (32), the tail end of the first screw rod (33) is provided with a butterfly-shaped part (330), and the front end of the first screw rod passes through the left clamping jaw (31) and the right clamping jaw (32) and is screwed with the nut.

5. The wire harness end pull test mechanism of claim 1, wherein: One end of the left clamping jaw (31) is provided with a first wedge-shaped structure (310), one end of the right clamping jaw (32) is provided with a second wedge-shaped structure (320), the first wedge-shaped structure and the second wedge-shaped structure are oppositely arranged, the end of the wire harness is clamped between the first wedge-shaped structure and the second wedge-shaped structure, the metal conductive piece at the end of the wire harness is located in front of the first wedge-shaped structure and the second wedge-shaped structure, and the main body of the wire harness is located behind the first wedge-shaped structure and the second wedge-shaped structure.

6. The wire harness end pull test mechanism of claim 1, wherein: The clamp comprises a clamp seat (51), a right clamping block (52) fixedly installed on the clamp seat, and a left clamping block (53) movably matched with the clamp seat, the left clamping block is pivotally connected with a second screw rod (54), the second screw rod is screwed on a screw rod support (55), and the screw rod support is fixed on the clamp seat; and the clamp seat is connected with a driving unit.

7. The wiring harness end pull test mechanism of claim 6, wherein: A pair of guide blocks (56) are arranged on the clamp seat (51), and the left clamping block (53) is matched between the pair of guide blocks.

8. The wiring harness end pull test mechanism of claim 6, wherein: Tooth-shaped structures (520) are arranged on the opposite surfaces of the left clamping block (53) and the right clamping block (52).

9. The wiring harness end pull test mechanism of claim 6, wherein: A guide groove (12) and a strip-shaped through hole (13) are arranged on a cover plate (11) of the base (10), the driving unit comprises a driving block (61) fixedly connected with the clamp seat (51), a rack (62) connected with the driving block, and a gear (63) engaged with the rack, the driving block comprises a wide part (611) connected with the clamp seat and a narrow part (612) connected with the rack, the wide part is matched in the guide groove, and the narrow part is matched in the strip-shaped through hole; a gear shaft (630) is installed on the side wall of the base, and a swing handle (21) is connected with the gear shaft.

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