Wire harness tension testing device

Abstract

The utility model relates to the technical field of wire harness tension testing devices, and discloses a wire harness tension testing device which comprises a bottom plate, three third convex grooves are formed in the right side of the upper portion of the bottom plate at equal intervals, and three first motors are fixedly connected to the right side of the front portion of the bottom plate at equal intervals. The output end of each first motor is fixedly connected with one end of a first threaded rod, the other end of each first threaded rod is rotationally connected to the rear side of the interior of the corresponding third convex groove, and a clamp mechanism is arranged on one side of the middle of each first threaded rod and comprises a first convex block. A first protruding block is arranged on one side of the middle of each first threaded rod. According to the utility model, the second guide rod is pulled up, the wire harness penetrates through the clamping block, the handle is rotated to enable the clamping block to clamp the wire harness, the first motor drives the threaded rod to change the angle, and the clamping and angle problems are solved; through structures such as a first L-shaped plate, the pull rod is pulled out to replace the tension tester, the clamping piece is clamped between the inclined blocks, and the replacement problem is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness tension testing devices, in particular to a wire harness tension testing device. Background Art

[0002] The cable harness tensile tester is a device used to evaluate the performance of cable harnesses under stress. By simulating the tensile forces in actual use, it tests the strength, durability, and reliability of the harness. It is widely used in the automotive, aerospace, and electronic equipment industries to improve product quality and safety.

[0003] The wire harness tensile test device is used to evaluate the strength and durability of wire harnesses under tension. The device typically consists of a clamping system, a force-applying device, a sensor, and a display system. Structurally, the clamping system secures the wire harness in the test position, while the force-applying device gradually applies tension through hydraulic or mechanical means. The sensor monitors the applied tension and deformation of the wire harness in real time and transmits the data to the display system. The working principle is to test the breaking strength and deformation characteristics of the wire harness by applying gradually increasing tension. The test results are used to verify the reliability of the wire harness and ensure that its performance in actual applications meets the standards.

[0004] Some wire harness tensile testing devices are unable to clamp wire harnesses of different sizes, and cannot meet the testing needs of wire harnesses of various sizes and specifications. Multiple devices need to be purchased, which increases costs. In addition, the angle changes cannot be adjusted, and the different angles of tension applied to the wire harness in the actual environment cannot be simulated. The test is not comprehensive enough, and it is difficult to accurately evaluate the tensile performance in a real complex environment. In addition, different tensile testers cannot be quickly replaced. When switching between multiple test requirements, a lot of time will be spent on adjustment and adaptation, which reduces the test efficiency. Therefore, a wire harness tensile testing device is proposed to solve the above problems. Summary of the Invention

[0005] In order to make up for the above shortcomings, the utility model provides a wire harness tension testing device, which aims to improve the problems in the existing technology that some wire harness tension testing devices have defects and cannot clamp different wire harnesses, adjust angles and quickly change testers, resulting in increased costs and reduced efficiency and comprehensiveness of testing.

[0006] To achieve the above-mentioned object, the present invention adopts the following technical solution: a wire harness tension testing device, comprising a base plate, three third convex grooves being equidistantly formed on the right side of the upper portion of the base plate, three first motors being fixedly connected to the right side of the front portion of the base plate at equal intervals, the output ends of the first motors being fixedly connected to one end of a first threaded rod, the other ends of the first threaded rods being rotatably connected to the inner rear side of the third convex grooves, and a clamping mechanism being provided on one side of the middle portion of each of the first threaded rods;

[0007] As a further description of the above technical solution: the clamping mechanism includes a first protrusion, a first protrusion is provided on one side of the middle of the first threaded rod, a second protrusion is opened on the middle side of the upper part of the first protrusion, the inner middle side of the second protrusion is fixedly connected to the first guide rod, second protrusions are provided on both sides of the middle of the first guide rod, the upper middle side of the second protrusion is fixedly connected to the clamping block, a two-way threaded rod is provided between the upper parts of the clamping blocks, the front and rear ends of the two-way threaded rod are fixedly connected to the first limit plate, the front middle side of the first limit plate on the front side is fixedly connected to the handle, and the first spring is fixedly connected between the side away from the first limit plate on the front and rear sides of the clamping blocks;

[0008] As a further description of the above technical solution: the left and right parts of the front and rear clamping blocks are equidistantly fixedly connected to mounting plates, a rotating shaft is fixedly connected between the mounting plates, the middle part of the rotating shaft is rotatably connected to the first roller, and the middle part of the front and rear clamping blocks close to each other is provided with an arc groove;

[0009] As a further description of the above technical solution: a first convex groove is formed on the left side of the upper portion of the base plate, a second motor is fixedly connected to the middle side of the left portion of the base plate, an output end of the second motor is fixedly connected to one end of a second threaded rod, the other end of the second threaded rod is rotatably connected to the right side of the inside of the first convex groove, a third convex block is provided on one side of the middle portion of the second threaded rod, and the upper portion of the third convex block is fixedly connected to the first L-shaped plate;

[0010] As a further description of the above technical solution: the front and rear sides of the upper portion of the first L-shaped plate are equidistantly fixedly connected to the second L-shaped plate, the middle portion of the second L-shaped plate is equidistantly slidably connected to two pull rods, the front and rear pull rods are fixedly connected to one end thereof, a slot is provided at the lower portion of the adjacent side of the inclined block, the lower sides of the left and right portions of the inclined block are rotatably connected to second rollers, and a second spring is fixedly connected between the adjacent side of the second L-shaped plate and the distant side of the inclined block on the front and rear sides, and the second springs are arranged on the outside of the pull rod;

[0011] As a further description of the above technical solution: the lower middle side of the rear clamping block is fixedly connected to a mounting block, the middle part of each mounting block is slidably provided with a second guide rod, a guide plate is provided between the clamping blocks, the front and rear parts of the guide plate are fixedly connected to a second limiting plate, the upper rear side of each guide plate is equidistantly provided with a plurality of limiting holes, and the second guide rods are engaged with the limiting holes;

[0012] As a further description of the above technical solution: a positioning block is fixedly connected to the middle side of the upper part of the first L-shaped plate, a clamp is provided between the oblique blocks and the upper part of the positioning block, and a tensile tester is provided on the upper part of the clamp;

[0013] As a further description of the above technical solution: the four lower corners of the bottom plate are equidistantly and fixedly connected with bases.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, through the cooperation of structures such as the clamp mechanism, when it is necessary to clamp wire harnesses of different thicknesses, first place one end of the wire harness on the tensile tester, then pull up the second guide rod, pass the other end of the wire harness through the three groups of clamping blocks, rotate the handle to rotate the bidirectional threaded rod, drive the clamping block with the second protrusion to move closer, use the arc groove to clamp the wire harness, and then loosen the second guide rod to engage and fix it with the limit hole; at the same time, the first threaded rod is driven to rotate by the first motor, and the three groups of clamp mechanisms are staggered so that they are not in the same horizontal line, so as to simulate the value of the angle change of the wire harness during the test. When the angle changes, the wire harness leans against the first roller to prevent it from leaning against the sharp corners of the clamping block to destroy the test results, thereby solving the problems of being unable to clamp wire harnesses of different sizes and being unable to simulate the different angles of tension applied to the wire harness in the actual environment.

[0016] In the utility model, through the cooperation of the first L-shaped plate and other structures, when it is necessary to quickly replace the tensile tester with the clamp, first pull out the pull rod with the oblique block, then take out the clamp, and then align the tensile tester with the clamp to be replaced with the positioning plate, press the clamp, and the oblique block with the second spring will move to both sides under the action of the second roller. When a "click" sound is heard, the clamp will be stuck between the oblique blocks, and then the second motor will drive the second threaded rod to move the first L-shaped plate, and then test will be carried out, thereby solving the problem of not being able to quickly replace different tensile testers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of a wire harness tension testing device proposed in the utility model;

[0018] Figure 2 This is a left sectional view of a wire harness tension testing device proposed by the present invention;

[0019] Figure 3 for Figure 1 A top view of the clamp mechanism in the overall structure diagram;

[0020] Figure 4 for Figure 1 A cross-sectional view of the clamp mechanism in the overall structure diagram;

[0021] Figure 5 for Figure 1 Front view of the clamp mechanism in the overall structure diagram.

[0022] Legend:

[0023] 1. Bottom plate; 2. First convex groove; 3. Base; 4. Clamping mechanism; 401. First convex block; 402. Clamping block; 403. Mounting plate; 404. Rotating shaft; 405. First roller; 406. Bidirectional threaded rod; 407. First stop plate; 408. First spring; 409. Handle; 4010. Second convex groove; 4011. First guide rod; 4012. Guide plate; 4013. Second convex block; 4014. Second stop plate; 401 5. Mounting block; 4016. Second guide rod; 4017. Limiting hole; 4018. Arc groove; 5. First motor; 6. Third convex groove; 7. First threaded rod; 8. Second threaded rod; 9. Second motor; 10. First L-shaped plate; 11. Tensile tester; 12. Third convex block; 13. Second L-shaped plate; 14. Pull rod; 15. Second spring; 16. Bevel block; 17. Second roller; 18. Slot; 19. Clamp; 20. Positioning block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Reference Figure 1-Figure 5, the utility model provides an embodiment: a wire harness tension testing device, including a base plate 1, three third convex grooves 6 are equidistantly opened on the upper right side of the base plate 1, three first motors 5 are equidistantly fixedly connected to the front right side of the base plate 1, the output ends of the first motors 5 are fixedly connected to one end of the first threaded rod 7, the other ends of the first threaded rod 7 are rotatably connected to the inner rear side of the third convex groove 6, a clamping mechanism 4 is provided on one side of the middle of the first threaded rod 7, the clamping mechanism 4 includes a first protrusion 401, a first protrusion 401 is provided on one side of the middle of the first threaded rod 7, a second convex groove 4010 is opened on the middle side of the upper part of the first protrusion 401, the inner middle side of the second convex groove 4010 is fixedly connected to the first guide rod 4011, and the middle of the first guide rod 4011 A second protrusion 4013 is provided on both sides of the part, and a clamping block 402 is fixedly connected to the middle side of the upper part of the second protrusion 4013. A bidirectional threaded rod 406 is provided between the upper parts of the clamping blocks 402. The front and rear ends of the bidirectional threaded rod 406 are fixedly connected to the first limit plate 407. The front middle side of the front first limit plate 407 is fixedly connected to the handle 409. A first spring 408 is fixedly connected between the side away from the front and rear side clamping blocks 402 and the first limit plate 407. The left and right parts of the front and rear side clamping blocks 402 are equidistantly fixedly connected to the mounting plates 403. The mounting plates 403 are fixedly connected with a rotating shaft 404. The middle part of the rotating shaft 404 is rotatably connected to the first roller 405. An arc groove 4018 is provided in the middle of the side where the front and rear side clamping blocks 402 are close to each other. A first convex groove 2 is provided on the left side of the upper part of the bottom plate 1, and a second motor 9 is fixedly connected to the middle side of the left part of the bottom plate 1. The output end of the second motor 9 is fixedly connected to one end of the second threaded rod 8, and the other end of the second threaded rod 8 is rotatably connected to the inner right side of the first convex groove 2. A third convex block 12 is provided on one side of the middle of the second threaded rod 8, and the upper part of the third convex block 12 is fixedly connected to the first L-shaped plate 10. The front and rear sides of the upper part of the first L-shaped plate 10 are equidistantly fixedly connected to the second L-shaped plate 13. The middle part of the second L-shaped plate 13 is equidistantly slidably connected to two pull rods 14 on one side. The front and rear pull rods 14 are fixedly connected to an inclined block 16 on one end. A slot 18 is provided on the lower part of the inclined block 16 on the adjacent side. The lower sides of the left and right parts of the inclined block 16 are rotatably connected to the second roller Wheel 17, a second spring 15 is fixedly connected between the side of the second L-shaped plate 13 on the front and rear sides that is close to the side of the oblique block 16 that is away from the second spring 15, and the second spring 15 is arranged on the outside of the pull rod 14. The middle lower side of the rear clamping block 402 is fixedly connected to the mounting block 4015, and the middle of the mounting block 4015 is slid with a second guide rod 4016. A guide plate 4012 is provided between the clamping blocks 402, and the front and rear parts of the guide plate 4012 are fixedly connected to the second limiting plate 4014. A plurality of limiting holes 4017 are equidistantly provided on the upper rear side of the guide plate 4012, and the second guide rod 4016 is engaged with the limiting hole 4017. A positioning block 20 is fixedly connected to the middle side of the upper part of the first L-shaped plate 10, and a clamp 19 is provided between the oblique blocks 16 and the upper part of the positioning block 20.A tensile tester 11 is provided on the upper portion of the clamp 19.

[0026] First, when it is necessary to perform a wire harness tension test, replace the required tension tester 11 first, pull out the pull rod 14 with the bevel block 16 first, then take out the clamp 19, and then align the tension tester 11 with the clamp 19 to be replaced with the positioning block 20, press the clamp 19, and the bevel block 16 with the second spring 15 will move to both sides under the action of the second roller 17. When a "click" sound is heard, the clamp 19 will be stuck between the bevel blocks 16; through the cooperation of the clamp mechanism 4 and other structures, when it is necessary to clamp wire harnesses of different thicknesses, first place one end of the wire harness on the tension tester 11, then pull up the second guide rod 4016, and pass the other end of the wire harness through the three sets of clamps. The first guide rod 4016 is released to engage with the limiting hole 4017 to fix the wiring harness; the second motor 9 drives the second threaded rod 8 to move the first L-shaped plate 10; at the same time, the first motor 5 drives the first threaded rod 7 to rotate, staggering the three sets of clamp mechanisms 4 so that they are not in the same horizontal line, thereby simulating the value of the angle change of the wiring harness during the test. When the angle changes, the wiring harness leans against the first roller 405 to prevent it from leaning against the sharp edges of the clamp block 402 to destroy the test results, and then the test is carried out.

[0027] Working principle: First, when it is necessary to perform a wire harness tension test, replace the required tension tester 11 first, pull out the pull rod 14 with the inclined block 16 first, then take out the clamp 19, and then align the tension tester 11 with the clamp 19 to be replaced with the positioning block 20, press the clamp 19, and the inclined block 16 with the second spring 15 will move to both sides under the action of the second roller 17. When you hear a "click", the clamp 19 will be stuck between the inclined blocks 16; through the cooperation of the clamp mechanism 4 and other structures, when it is necessary to clamp wire harnesses of different thicknesses, first place one end of the wire harness on the tension tester 11, then pull up the second guide rod 4016, and pass the other end of the wire harness through Between the three groups of clamps 402, the handle 409 is rotated to rotate the bidirectional threaded rod 406, driving the clamp 402 with the second protrusion 4013 to move closer, and the arc groove 4018 is used to clamp the wiring harness, and then the second guide rod 4016 is loosened to engage and fix it with the limiting hole 4017; then the second motor 9 drives the second threaded rod 8 to move the first L-shaped plate 10, and at the same time, the first motor 5 drives the first threaded rod 7 to rotate, staggering the three groups of clamp mechanisms 4 so that they are not in the same horizontal line, thereby simulating the value of the angle change of the wiring harness during the test. When the angle changes, the wiring harness leans against the first roller 405 to prevent it from leaning against the sharp edges of the clamp 402 to destroy the test results, and then the test is carried out.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wire harness tension testing device, comprising a base plate (1), characterized in that: Three third convex grooves (6) are equidistantly provided on the right side of the upper portion of the base plate (1), and three first motors (5) are equidistantly fixedly connected to the right side of the front portion of the base plate (1), the output ends of the first motors (5) are fixedly connected to one end of a first threaded rod (7), and the other ends of the first threaded rods (7) are rotatably connected to the inner rear side of the third convex grooves (6), and a clamping mechanism (4) is provided on one side of the middle portion of the first threaded rods (7).

2. A wire harness tension testing device according to claim 1, characterized in that: The clamp mechanism (4) comprises a first protrusion (401), a first protrusion (401) is provided on one side of the middle of the first threaded rod (7), a second protrusion (4010) is provided on the middle side of the upper part of the first protrusion (401), a first guide rod (4011) is fixedly connected to the inner middle side of the second protrusion (4010), a second protrusion (4013) is provided on both sides of the middle part of the first guide rod (4011), a clamping block (402) is fixedly connected to the upper middle side of the second protrusion (4013), a bidirectional threaded rod (406) is provided between the upper parts of the clamping blocks (402), the front and rear ends of the bidirectional threaded rod (406) are fixedly connected to the first limiting plate (407), the front middle side of the first limiting plate (407) is fixedly connected to the handle (409), and a first spring (408) is fixedly connected between the first limiting plate (407) and the side of the clamping blocks (402) on the front and rear sides away from each other.

3. The wire harness tension testing device according to claim 2, characterized in that: The left and right parts of the front and rear clamping blocks (402) are fixedly connected to mounting plates (403) at equal distances, a rotating shaft (404) is fixedly connected between the mounting plates (403), and the middle part of the rotating shaft (404) is rotatably connected to a first roller (405), and an arc groove (4018) is provided in the middle part of the side close to the front and rear clamping blocks (402).

4. The wire harness tension testing device according to claim 1, characterized in that: A first convex groove (2) is provided on the left side of the upper portion of the base plate (1); a second motor (9) is fixedly connected to the middle side of the left portion of the base plate (1); an output end of the second motor (9) is fixedly connected to one end of a second threaded rod (8); the other end of the second threaded rod (8) is rotatably connected to the right side of the inside of the first convex groove (2); a third convex block (12) is provided on one side of the middle portion of the second threaded rod (8); and the upper portion of the third convex block (12) is fixedly connected to the first L-shaped plate (10).

5. The wire harness tension testing device according to claim 4, characterized in that: The upper front and rear sides of the first L-shaped plate (10) are equidistantly fixedly connected to the second L-shaped plate (13), and the middle part of the adjacent side of the second L-shaped plate (13) is equidistantly slidably connected to two pull rods (14), and the adjacent ends of the pull rods (14) on the front and rear sides are fixedly connected to an inclined block (16), and the lower part of the adjacent side of the inclined block (16) is provided with a slot (18), and the lower sides of the left and right parts of the inclined block (16) are rotatably connected to second rollers (17), and the second springs (15) are fixedly connected between the adjacent side of the second L-shaped plate (13) on the front and rear sides and the distant side of the inclined block (16), and the second springs (15) are arranged outside the pull rod (14).

6. The wire harness tension testing device according to claim 2, characterized in that: The lower middle side of the rear clamping block (402) is fixedly connected to a mounting block (4015), the middle of the mounting block (4015) is slidably provided with a second guide rod (4016), a guide plate (4012) is provided between the clamping blocks (402), the front and rear parts of the guide plate (4012) are fixedly connected to a second limiting plate (4014), a plurality of limiting holes (4017) are equidistantly provided on the upper rear side of the guide plate (4012), and the second guide rods (4016) are engaged with the limiting holes (4017).

7. The wire harness tension testing device according to claim 5, characterized in that: A positioning block (20) is fixedly connected to the middle side of the upper portion of the first L-shaped plate (10), a clamping member (19) is provided between the inclined block (16) and the upper portion of the positioning block (20), and a tensile tester (11) is provided on the upper portion of the clamping member (19).

8. The wire harness tension testing device according to claim 1, characterized in that: The four lower corners of the bottom plate (1) are fixedly connected with bases (3) at equal intervals.

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