High-precision wire harness tension measuring instrument

Through the adjustable clamping structure and motor drive system, the adaptability and assembly and disassembly of the wire harness tension measuring instrument is solved, and efficient multi-spec adaptable clamping and rapid replacement are achieved, improving the flexibility and working efficiency of the equipment.

CN223179932UActive Publication Date: 2025-08-01FUJIAN FORESTRY VOCATIONAL TECH COLLEGE
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Patent Information

Application Number
CN202422332295.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-01
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Existing harness tension measuring instruments cannot adapt to the tension measurement requirements of different specifications, resulting in limited application, increasing equipment costs and being difficult to assemble and disassemble, affecting the flexibility of use and working efficiency.

Method used

The adjustable clamping structure is adopted, including trapezoidal blocks, bidirectional threaded rods and motor-driven clamping system, to achieve stable clamping of wire harnesses of different specifications, and to quickly replace clamping blocks through spring and clamping rod structures to meet measurement needs of different specifications.

Benefits of technology

It realizes stable clamping of wire harnesses of different specifications, solves the adaptability problem, improves the flexibility of the equipment and assembly and disassembly efficiency, and reduces the time and energy consumption of equipment replacement sites.

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Abstract

The utility model relates to the technical field of wire harness tension measuring instruments, and discloses a high-precision wire harness tension measuring instrument which comprises a base, a first convex groove is formed in the right side of the upper portion of the base, a first motor is fixedly connected to the middle side of the right portion of the base, and the output end of the first motor is fixedly connected with one end of a first threaded rod. And the other end of the first threaded rod is rotationally connected to the left side of the interior of the first convex groove, a fourth convex block is arranged on one side of the middle of the first threaded rod, a first bottom plate is fixedly connected to the upper portion of the fourth convex block, and two trapezoidal grooves are formed in the middle side of the upper portion of the first bottom plate at equal intervals. According to the utility model, the first bottom plate and the third bottom plate are combined to place the tension measuring instrument main body, and the rotating threaded rod is fixed by the moving plate and the circular clamping block, so that the measurement requirements of different specifications are met; the clamping rods and the long grooves are matched to fix the second bottom plate, a motor driving structure enables the clamping blocks to be replaceable, and the problem that assembling and disassembling are not easy is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of wire harness tension measuring instruments, in particular to a high-precision wire harness tension measuring instrument. Background Art

[0002] A cable harness tension gauge is a device used to accurately measure the tension of cables and harnesses under load. Its background technology involves high-precision sensor technology and mechanical measurement principles. These instruments are typically equipped with load cells or strain gauges to monitor the actual tension experienced by the cable harness during testing and transmit the data to a display system for analysis. They are widely used in electronic equipment manufacturing, the automotive industry, and aerospace to ensure the reliability and safety of cable harnesses under operating conditions. The equipment must be designed with high stability, accuracy, and durability to meet the testing requirements under different environments and load conditions.

[0003] The cable harness tension gauge is used to measure the tension of cables and harnesses under stress conditions. Its structure includes a sensor (such as a load cell or strain gauge), a display unit, and a control system. The sensor generates an electrical signal by measuring the force applied to the harness. The control system converts these signals into readable numerical values and displays the measurement results on the display unit. This equipment is usually used in conjunction with other testing equipment such as tensile testing machines and mechanical analysis instruments to ensure the reliability and performance of the harness under different loads. These devices work together to accurately evaluate the load-bearing capacity and stability of the harness in actual applications.

[0004] Some wire harness tension measuring instruments cannot adapt to the tension measurement requirements of different specifications, which will limit their application in different fields and cannot meet comprehensive testing needs. It will also increase the equipment costs of enterprises and cause waste of resources. In addition, they are not easy to assemble and disassemble, which greatly limits their flexibility of use. For users who need to frequently change test sites, each site transfer takes a lot of time and energy, seriously affecting work efficiency. Therefore, a high-precision wire harness tension measuring instrument is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-precision wire harness tension measuring instrument, which aims to improve the shortcomings of some wire harness tension measuring instruments in the existing technology, such as the inability to adapt to different specifications, affecting application and testing, and increasing costs; and the difficulty in assembly and disassembly, which limits flexibility and affects efficiency.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A high-precision wire harness tensile force measuring instrument, including a base, a first convex groove is opened on the upper right side of the base, a first motor is fixedly connected to the middle side of the right part of the base, one end of a first threaded rod is fixedly connected to the output end of the first motor, and the other end of the first threaded rod is rotatably connected to the left side inside the first convex groove. A fourth convex block is arranged on one side of the middle part of the first threaded rod, a first bottom plate is fixedly connected to the upper part of the fourth convex block, two trapezoidal grooves are equidistantly opened on the middle side of the upper part of the first bottom plate, trapezoidal blocks are respectively clamped inside the trapezoidal grooves, and a third bottom plate is fixedly connected between the upper parts of the trapezoidal blocks;

[0007] As a further description of the above technical solution: Two second convex grooves are equidistantly opened on the middle side of the upper part of the third bottom plate, a first bidirectional threaded rod is rotatably connected inside each of the second convex grooves, and both ends of the first bidirectional threaded rod penetrate through the third bottom plate. First handles are fixedly connected to the front ends of the first bidirectional threaded rods, nuts are respectively threadedly connected to the rear ends of the first bidirectional threaded rods. Third convex blocks are arranged on both sides of the middle part of the first bidirectional threaded rod, moving plates are fixedly connected between the upper parts of the left and right third convex blocks. Short plates slide on the upper part of the closer side of the moving plates, limiting plates are fixedly connected to both ends of the short plates, a second threaded rod is arranged on the middle side of the upper part of the short plates, a second handle is fixedly connected to the upper end of the second threaded rod, a round clamping block is fixedly connected to the lower end of the second threaded rod, and two fixing plates are equidistantly fixedly connected to the upper left side of the third bottom plate;

[0008] As a further description of the above technical solution: Four first long grooves are equidistantly opened on the upper left side of the base, circular grooves are respectively opened on the bottom sides inside the first long grooves, second long grooves are respectively opened on the lower sides inside the first long grooves, long blocks are respectively clamped inside the second long grooves, one ends of clamping rods are fixedly connected to the middle parts of the long blocks, knobs are fixedly connected to the other ends of the clamping rods, the clamping rods all slide on the upper four corners of the second bottom plate, and springs are respectively arranged between the lower parts of the knobs and the upper part of the second bottom plate;

[0009] As a further description of the above technical solution: An installation block is fixedly connected to the middle side of the upper part of the second bottom plate, a second motor is fixedly connected to the middle side of the front part of the installation block, a third convex groove is opened in the middle of the right side of the installation block, one end of a second bidirectional threaded rod is fixedly connected to the output end of the second motor, the other end of the second bidirectional threaded rod is rotatably connected to the rear side inside the third convex groove. First convex plates are arranged on both sides of the middle part of the second bidirectional threaded rod, fourth convex grooves are respectively opened on the upper right sides of the first convex plates, second convex blocks are respectively clamped inside the fourth convex grooves, and clamping blocks are fixedly connected to the right parts of the second convex blocks;

[0010] As a further description of the above technical solution: a control panel is fixedly connected to the middle side of the front part of the base, and the control panel is electrically connected to the first motor and the second motor respectively;

[0011] As a further description of the above technical solution: a tension measuring instrument body is arranged between the moving plates, and the round clamping block is in contact with the upper part of the tension measuring instrument body;

[0012] As a further description of the above technical solution: the first convex plates are all slidably arranged inside the third convex grooves, and the fourth convex blocks are slidably arranged inside the first convex grooves;

[0013] As a further description of the above technical solution: supporting legs are fixedly connected to the four corners of the lower part of the base at equal intervals.

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

[0015] 1. In the utility model, through structures such as the first bottom plate, the third bottom plate with trapezoidal blocks is inserted into the first bottom plate provided with a trapezoidal groove, and then the tension measuring instrument body is placed above the third bottom plate and close to the fixing plate. Then, the first bidirectional threaded rod with the first handle is rotated to drive the moving plate with the third convex block to slide in the second convex groove to clamp the tension measuring instrument body. Then, the second threaded rod with the second handle is rotated to make the round clamping block at the lower end of the second threaded rod also clamp the tension measuring instrument body, preventing it from moving during the measurement process, so as to solve the problem that it cannot meet the tension measurement requirements of different specifications.

[0016] 2. In the utility model, through the cooperation of structures such as the clamping rod, the clamping rod with a spring is inserted into the first long groove, and then the clamping rod is rotated to fall into the second long groove under the action of the spring to fix the second bottom plate. At the same time, the second bidirectional threaded rod driven by the second motor moves the first convex plate, and the clamping block with the second convex block can be inserted into the first convex plate with the fourth convex groove. When clamping blocks of different specifications are needed, they can be quickly replaced, thus solving the problem that the use flexibility is greatly limited due to the difficulty of assembly and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an overall structure diagram of a high-precision wire harness tension measuring instrument proposed by the utility model;

[0018] Figure 2 is a front sectional view of a high-precision wire harness tension measuring instrument proposed by the utility model;

[0019] Figure 3 is a left sectional view of a high-precision wire harness tension measuring instrument proposed by the utility model;

[0020] Figure 4 is an unfolded view of a high-precision wire harness tension measuring instrument proposed by the utility model;

[0021] Figure 5 The developed right view of a high-precision wire harness tensile force measuring instrument proposed by the present utility model;

[0022] Figure 6 is Figure 2 the enlarged view of part A in

[0023] Figure 7 is Figure 3 the enlarged view of part B in

[0024] Legend description:

[0025] 1. Base; 2. First convex groove; 3. First motor; 4. Support leg; 5. Control panel; 6. First bottom plate; 7. Moving plate; 8. Fixed plate; 9. Trapezoidal block; 10. Trapezoidal groove; 11. Second bottom plate; 12. Knob; 13. Spring; 14. Mounting block; 15. Second motor; 16. First convex plate; 17. Clamping block; 18. Second convex block; 19. First bidirectional threaded rod; 20. Short plate; 21. Limiting plate; 22. Second convex groove; 23. Third convex block; 24. First threaded rod; 25. Fourth convex block; 26. First handle; 27. Nut; 28. Tensile force measuring instrument main body; 29. Second handle; 30. Second threaded rod; 31. Circular clamping block; 32. First long groove; 33. Clamping rod; 34. Long block; 35. Circular groove; 36. Second long groove; 37. Second bidirectional threaded rod; 38. Third convex groove; 39. Third bottom plate; 40. Fourth convex groove. Specific implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Refer to Figures 1-7, an embodiment provided by the present utility model: a high-precision wire harness tensile force measuring instrument, including a base 1. A first convex groove 2 is opened on the upper right side of the base 1. A first motor 3 is fixedly connected to the middle side of the right part of the base 1. One end of a first threaded rod 24 is fixedly connected to the output end of the first motor 3, and the other end of the first threaded rod 24 is rotatably connected to the left side inside the first convex groove 2. A fourth convex block 25 is arranged on one side of the middle part of the first threaded rod 24. The upper part of the fourth convex block 25 is fixedly connected to a first bottom plate 6. Two trapezoidal grooves 10 are equidistantly opened on the upper middle side of the first bottom plate 6. Trapezoidal blocks 9 are respectively clamped inside the trapezoidal grooves 10. The upper parts of the trapezoidal blocks 9 are fixedly connected to a third bottom plate 39. Two second convex grooves 22 are equidistantly opened on the upper middle side of the third bottom plate 39. A first bidirectional threaded rod 19 is rotatably connected inside each of the second convex grooves 22, and both ends of the first bidirectional threaded rod 19 penetrate through the third bottom plate 39. First handles 26 are fixedly connected to the front ends of the first bidirectional threaded rods 19. Nuts 27 are respectively threadedly connected to the rear ends of the first bidirectional threaded rods 19. Third convex blocks 23 are arranged on both sides of the middle part of the first bidirectional threaded rod 19. A moving plate 7 is fixedly connected between the upper parts of the left and right third convex blocks 23. A short plate 20 slides on the upper part of the closer side of the moving plate 7. Limiting plates 21 are fixedly connected to both ends of the short plate 20. A second threaded rod 30 is arranged on the upper middle side of the short plate 20. A second handle 29 is fixedly connected to the upper end of the second threaded rod 30. A circular clamping block 31 is fixedly connected to the lower end of the second threaded rod 30. Two fixing plates 8 are equidistantly fixedly connected to the upper left side of the third bottom plate 39. Four first long grooves 32 are equidistantly opened on the upper left side of the base 1. Circular grooves 35 are respectively opened on the bottom sides inside the first long grooves 32. Second long grooves 36 are respectively opened on the lower sides inside the first long grooves 32. Long blocks 34 are respectively clamped inside the second long grooves 36. One ends of clamping rods 33 are fixedly connected to the middle parts of the long blocks 34. Knobs 12 are fixedly connected to the other ends of the clamping rods 33. The clamping rods 33 all slide on the upper four corners of a second bottom plate 11. Springs 13 are respectively arranged between the lower parts of the knobs 12 and the upper part of the second bottom plate 11. An installation block 14 is fixedly connected to the upper middle side of the second bottom plate 11. A second motor 15 is fixedly connected to the front middle side of the installation block 14. A third convex groove 38 is opened in the middle of the right side of the installation block 14. One end of a second bidirectional threaded rod 37 is fixedly connected to the output end of the second motor 15, and the other end of the second bidirectional threaded rod 37 is rotatably connected to the rear side inside the third convex groove 38. First convex plates 16 are arranged on both sides of the middle part of the second bidirectional threaded rod 37. Fourth convex grooves 40 are respectively opened on the upper right sides of the first convex plates 16. Second convex blocks 18 are respectively clamped inside the fourth convex grooves 40. Clamping blocks 17 are fixedly connected to the right parts of the second convex blocks 18.

[0028] First, insert the third bottom plate 39 with the trapezoidal block 9 into the first bottom plate 6 provided with a trapezoidal groove 10. Then, place the main body 28 of the tensile force measuring instrument above the third bottom plate 39 and close to the fixing plate 8. Next, rotate the first bidirectional threaded rod 19 with the first handle 26 to drive the moving plate 7 with the third convex block 23 to slide in the second convex groove 22 to clamp the main body 28 of the tensile force measuring instrument. Then, rotate the second threaded rod 30 with the second handle 29 so that the circular clamping block 31 at the lower end of the second threaded rod 30 also clamps the main body 28 of the tensile force measuring instrument to prevent it from moving during the measurement, thus solving the problem of being unable to meet the tensile force measurement requirements of different specifications. Meanwhile, through the cooperation of structures such as the clamping rod 33, insert the clamping rod 33 with the spring 13 into the first long groove 32, and then rotate the clamping rod 33 so that it falls into the second long groove 36 under the action of the spring 13 to fix the second bottom plate 11. At the same time, the second bidirectional threaded rod 37 is driven by the second motor 15 to move the first convex plate 16. The clamping block 17 with the second convex block 18 can be inserted into the first convex plate 16 with the fourth convex groove 40, and different specifications of clamping blocks 17 can be quickly replaced when needed, thus solving the problem that the flexibility of use is greatly restricted due to the difficulty of assembly and disassembly.

[0029] Working principle: First, insert the third bottom plate 39 with the trapezoidal block 9 into the first bottom plate 6 provided with a trapezoidal groove 10. Then, place the main body 28 of the tensile force measuring instrument above the third bottom plate 39 and close to the fixing plate 8. Next, rotate the first bidirectional threaded rod 19 with the first handle 26 to drive the moving plate 7 with the third convex block 23 to slide in the second convex groove 22 to clamp the main body 28 of the tensile force measuring instrument. Then, rotate the second threaded rod 30 with the second handle 29 so that the circular clamping block 31 at the lower end of the second threaded rod 30 also clamps the main body 28 of the tensile force measuring instrument to prevent it from moving during the measurement, thus solving the problem of being unable to meet the tensile force measurement requirements of different specifications. Meanwhile, through the cooperation of structures such as the clamping rod 33, insert the clamping rod 33 with the spring 13 into the first long groove 32, and then rotate the clamping rod 33 so that it falls into the second long groove 36 under the action of the spring 13 to fix the second bottom plate 11. At the same time, the second bidirectional threaded rod 37 is driven by the second motor 15 to move the first convex plate 16. The clamping block 17 with the second convex block 18 can be inserted into the first convex plate 16 with the fourth convex groove 40, and different specifications of clamping blocks 17 can be quickly replaced when needed, thus solving the problem that the flexibility of use is greatly restricted due to the difficulty of assembly and disassembly.

[0030] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-precision wire harness tensile force measuring instrument, comprising a base (1), characterized in that: On the upper right side of the base (1), a first convex groove (2) is provided. In the middle side of the right part of the base (1), a first motor (3) is fixedly connected. One end of a first threaded rod (24) is fixedly connected to the output end of the first motor (3), and the other end of the first threaded rod (24) is rotatably connected to the left side inside the first convex groove (2). On one side of the middle part of the first threaded rod (24), a fourth convex block (25) is provided. The upper part of the fourth convex block (25) is fixedly connected to a first bottom plate (6). On the middle side of the upper part of the first bottom plate (6), two trapezoidal grooves (10) are equidistantly provided. Trapezoidal blocks (9) are respectively clamped inside the trapezoidal grooves (10). Between the upper parts of the trapezoidal blocks (9), a third bottom plate (39) is fixedly connected.

2. The high-precision wire harness tensile force measuring instrument according to claim 1, characterized in that: On the middle side of the upper part of the third bottom plate (39), two second convex grooves (22) are equidistantly provided. Inside the second convex grooves (22), first double-threaded rods (19) are respectively rotatably connected and both ends of the first double-threaded rods (19) penetrate through the third bottom plate (39). First handles (26) are respectively fixedly connected to the front ends of the first double-threaded rods (19). Nuts (27) are respectively threadedly connected to the rear ends of the first double-threaded rods (19). Third convex blocks (23) are respectively provided on both sides of the middle part of the first double-threaded rods (19). Between the upper parts of the left and right third convex blocks (23), moving plates (7) are respectively fixedly connected. On the upper part of the closer side of the moving plates (7), short plates (20) slide. Limiting plates (21) are respectively fixedly connected to both ends of the short plates (20). On the middle side of the upper part of the short plates (20), a second threaded rod (30) is provided. The upper end of the second threaded rod (30) is fixedly connected to a second handle (29), and the lower end of the second threaded rod (30) is fixedly connected to a circular clamping block (31). On the upper left side of the third bottom plate (39), two fixing plates (8) are equidistantly fixedly connected.

3. The high-precision wire harness tensile force measuring instrument according to claim 1, characterized in that: On the upper left side of the base (1), four first long grooves (32) are equidistantly provided. Circular grooves (35) are respectively provided on the bottom sides inside the first long grooves (32). Second long grooves (36) are respectively provided on the lower sides inside the first long grooves (32). Long blocks (34) are respectively clamped inside the second long grooves (36). One ends of clamping rods (33) are respectively fixedly connected to the middle parts of the long blocks (34). The other ends of the clamping rods (33) are respectively fixedly connected to knobs (12). The clamping rods (33) respectively slide on the four corners of the upper part of a second bottom plate (11). Springs (13) are respectively provided between the lower parts of the knobs (12) and the upper part of the second bottom plate (11).

4. The high-precision wire harness tensile force measuring instrument according to claim 3, wherein: An installation block (14) is fixedly connected to the middle side of the upper part of the second base plate (11). A second motor (15) is fixedly connected to the middle side of the front part of the installation block (14). A third convex groove (38) is formed in the middle of the right side of the installation block (14). One end of a second bidirectional threaded rod (37) is fixedly connected to the output end of the second motor (15), and the other end of the second bidirectional threaded rod (37) is rotatably connected to the inner rear side of the third convex groove (38). First convex plates (16) are arranged on both sides of the middle part of the second bidirectional threaded rod (37). Fourth convex grooves (40) are formed in the upper right sides of the first convex plates (16). Second convex blocks (18) are respectively clamped in the fourth convex grooves (40). Clamping blocks (17) are fixedly connected to the right parts of the second convex blocks (18).

5. A high-precision wire harness tensile force measuring instrument according to claim 1, characterized in that: A control panel (5) is fixedly connected to the middle side of the front part of the base (1). The control panel (5) is electrically connected to the first motor (3) and the second motor (15) respectively.

6. The high-precision wire harness tensile force measuring instrument according to claim 2, wherein: A tensile force measuring instrument body (28) is arranged between the moving plates (7). The circular clamping blocks (31) are in contact with the upper part of the tensile force measuring instrument body (28).

7. The high-precision wire harness tensile force measuring instrument according to claim 4, characterized in that: The first convex plates (16) are all slidably arranged in the third convex groove (38), and the fourth convex blocks (25) are slidably arranged in the first convex groove (2).

8. The high-precision wire harness tensile force measuring instrument according to claim 1, wherein: Support legs (4) are fixedly connected to the four corners of the lower part of the base (1) at equal intervals.