Cable bending durability testing device

Abstract

The utility model discloses a device for testing bending durability of a cable. The device comprises a rack, a detection system, a system wiring terminal, a cable fixing assembly and a reciprocating motion assembly. The system wiring terminal is connected with two ends of a to-be-tested cable, the middle section is connected with the cable fixing assembly, and the cable fixing assembly is in driving connection with the reciprocating motion assembly. The reciprocating motion assembly is arranged in the middle of the rack, and the system wiring terminals are arranged at the two ends of the rack. Multiple groups of reciprocating motion assemblies can test multiple sections of the cable at the same time. The reciprocating moving assembly comprises a motor base, a reciprocating driving motor, a driving screw rod, a screw rod support, a moving nut base and a sliding polish rod. The cable fixing assembly comprises a connecting seat, a cable fixing table, a connecting rotating shaft, a fixed clamping ring, a movable clamping ring, a clamping ring pin shaft and a clamping ring locking screw rod; and the sheath assembly comprises a cable hard fixing sleeve and a cable flexible fixing sleeve. The device can comprehensively evaluate the durability of the cable, has the advantages of efficient automatic testing, diversified fixing modes and the like, and is suitable for large-scale production in the cable industry.

Description

Technical Field

[0001] The utility model relates to a cable testing device, in particular to a cable bending durability testing device. Background Art

[0002] In the cable industry, especially in fields such as elevator cables, the bending durability testing of cables is crucial. During the use of cables, they often need to undergo complex mechanical stresses such as bending and twisting. If the materials or structures of the cables do not have sufficient durability, it is easy to cause cable breakage or performance degradation, thus posing safety hazards to equipment such as elevators. Summary of the Invention

[0003] The purpose of the utility model is to provide a cable bending durability testing device.

[0004] To achieve the above purpose, the utility model is implemented according to the following technical solution:

[0005] The utility model includes a frame, a detection system, system wiring terminals, a cable fixing component, and a reciprocating movement component. The system wiring terminals are connected to the detection ends of the detection system. There are two system wiring terminals, and the two system wiring terminals are respectively connected to both ends of the cable to be tested. The middle section of the cable to be tested is detachably and fixedly connected to the cable fixing component. The cable fixing component is connected to the driving end of the reciprocating movement component. The reciprocating movement component is arranged in the middle section of the frame, and the two system wiring terminals are respectively arranged at both ends of the frame.

[0006] Preferably, there are multiple groups of the cable fixing component and the reciprocating movement component. The driving end of each group of the reciprocating movement component is connected to multiple cable fixing components, and the multiple cable fixing components are simultaneously fixed to the middle section of the cable to be tested.

[0007] Furthermore, the reciprocating movement component includes a motor base, a reciprocating driving motor, a driving screw, a screw support, a moving nut seat, and a sliding optical rod. The motor base is fixedly connected to the frame. The reciprocating driving motor is fixedly arranged on the motor base. The rotating shaft of the reciprocating driving motor is fixedly connected to one end of the driving screw. The other end of the driving screw is rotatably connected to the screw support. The screw support is fixedly connected to the frame. The sliding optical rod is fixed above the driving screw. The sliding optical rod is fixed to the frame through the screw support. The upper section of the moving nut seat is slidably connected to the sliding optical rod. The lower section of the moving nut seat is threadedly connected to the driving screw. The upper end of the moving nut seat passes through the frame and can slide. The upper end of the moving nut seat is fixedly connected to the cable fixing component.

[0008] Furthermore, the cable fixing assembly includes a connecting seat, a cable fixing platform, a connecting rotating shaft, a fixed clamping ring, a movable clamping ring, a clamping ring pin shaft, and a clamping ring locking screw. The lower end of the cable fixing platform is fixedly connected to the upper end of the connecting seat. The lower end of the connecting seat is detachably and fixedly connected to the upper end of the moving nut seat. One end of the cable fixing platform is rotatably connected to one side of the fixed clamping ring through the connecting rotating shaft. One end of the fixed clamping ring is rotatably connected to one end of the movable clamping ring through the clamping ring pin shaft. The other end of the fixed clamping ring and the other end of the movable clamping ring are connected through the clamping ring locking screw. The cable under test is clamped between the fixed clamping ring and the movable clamping ring through a sheath assembly.

[0009] Specifically, the sheath assembly includes a rigid cable fixing sleeve and a flexible cable fixing sleeve. The flexible cable fixing sleeve is sleeved outside the cable under test. The rigid cable fixing sleeve is sleeved outside the flexible cable fixing sleeve. The rigid cable fixing sleeve is fixed between the fixed clamping ring and the movable clamping ring.

[0010] The beneficial effects of the present utility model are:

[0011] The present utility model is a cable bending durability test device. Compared with the prior art, the technical effects of the present utility model include:

[0012] Multi-point testing ability: The test device of the present utility model can simultaneously test multiple specific positions of the cable. By setting multiple reciprocating moving components, a comprehensive evaluation of the durability of multiple parts of the cable is realized, improving the accuracy and credibility of the test results.

[0013] Efficient and automated testing: The test device of the present utility model adopts an automated control system, which can realize the simultaneous testing of multiple cables and does not require manual operation, greatly improving the test efficiency, reducing the test cost, and meeting the requirements of large-scale production.

[0014] Diversified fixing methods: The test device of the present utility model adopts multiple groups of cable fixing components, which can flexibly adjust the fixing method according to the shape and size of the cable, ensuring the stability and reliability of the cable during the test and improving the accuracy of the test results.

[0015] In summary, the cable bending durability test device of the present utility model overcomes the defects of traditional devices, has technical effects such as multi-point testing ability, efficient and automated testing, and diversified fixing methods, can better meet the requirements of the cable industry for bending durability testing, and has broad application prospects and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of one side of the present utility model;

[0017] Figure 2 is a schematic diagram of the other side structure of the present utility model;

[0018] Figure 3 is a schematic diagram of the cable fixing assembly structure of the present utility model;

[0019] Figure 4 is an exploded schematic diagram of the cable fixing assembly of the present utility model;

[0020] Figure 5 is a schematic diagram of the overall external structure of the present utility model.

[0021] In the figure: frame 1, motor base 2, reciprocating drive motor 3, drive screw 4, screw bracket 5, moving nut seat 6, sliding optical rod 7, connecting seat 8, cable fixing table 9, connecting rotating shaft 10, fixed clamping ring 11, moving clamping ring 12, clamping ring pin shaft 13, clamping ring locking screw 14, cable rigid fixing sleeve 15, cable flexible fixing sleeve 16, cable to be tested 17, detection system 18, system wiring terminal 19. Specific embodiments

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. The schematic embodiments and descriptions of this utility model are used to explain the present utility model, but do not limit the present utility model.

[0023] As Figures 1-5 shown: The present utility model includes a frame 1, a detection system 18, a system wiring terminal 19, a cable fixing assembly, and a reciprocating movement assembly. The system wiring terminal 19 is connected to the detection end of the detection system 18. There are two system wiring terminals 19, and the two system wiring terminals 19 are respectively connected to both ends of the cable to be tested 17. The middle section of the cable to be tested 17 is detachably and fixedly connected to the cable fixing assembly. The cable fixing assembly is connected to the driving end of the reciprocating movement assembly. The reciprocating movement assembly is arranged in the middle section of the frame 1, and the two system wiring terminals 19 are respectively arranged at both ends of the frame 1.

[0024] Preferably, the cable fixing assembly and the reciprocating movement assembly are multiple groups. The driving end of each reciprocating movement assembly is connected to multiple cable fixing assemblies, and the multiple cable fixing assemblies are simultaneously fixed to the middle section of the cable to be tested 17.

[0025] Further, the reciprocating movement assembly includes a motor base 2, a reciprocating drive motor 3, a drive screw 4, a screw support 5, a moving nut seat 6, and a sliding optical rod 7. The motor base 2 is fixedly connected to the frame 1. The reciprocating drive motor 3 is fixedly arranged on the motor base 2. The rotating shaft of the reciprocating drive motor 3 is fixedly connected to one end of the drive screw 4. The other end of the drive screw 4 is rotatably connected to the screw support 5. The screw support 5 is fixedly connected to the frame 1. The sliding optical rod 7 is fixed above the drive screw 4. The sliding optical rod 7 is fixed to the frame 1 through the screw support 5. The upper section of the moving nut seat 6 is slidably connected to the sliding optical rod 7. The lower section of the moving nut seat 6 is threadedly connected to the drive screw 4. The upper end of the moving nut seat 6 passes through the frame 1 and can slide. The upper end of the moving nut seat 6 is fixedly connected to the cable fixing assembly.

[0026] Further, the cable fixing assembly includes a connecting seat 8, a cable fixing table 9, a connecting rotating shaft 10, a fixed clamping ring 11, a moving clamping ring 12, a clamping ring pin shaft 13, and a clamping ring locking screw 14. The lower end of the cable fixing table 9 is fixedly connected to the upper end of the connecting seat 8. The lower end of the connecting seat 8 is detachably and fixedly connected to the upper end of the moving nut seat 6. One end of the cable fixing table 9 is rotatably connected to one side of the fixed clamping ring 11 through the connecting rotating shaft 10. One end of the fixed clamping ring 11 is rotatably connected to one end of the moving clamping ring 12 through the clamping ring pin shaft 13. The other end of the fixed clamping ring 11 and the other end of the moving clamping ring 12 are connected through the clamping ring locking screw 14. The cable under test 17 is clamped between the fixed clamping ring 11 and the moving clamping ring 12 through the sheath assembly.

[0027] Specifically, the sheath assembly includes a cable rigid fixing sleeve 15 and a cable flexible fixing sleeve 16. The cable flexible fixing sleeve 16 is sleeved outside the cable under test 17. The cable rigid fixing sleeve 15 is sleeved outside the cable flexible fixing sleeve 16. The cable rigid fixing sleeve 15 is fixed between the fixed clamping ring 11 and the moving clamping ring 12.

[0028] The working principle of the present utility model is as follows:

[0029] When the utility model is in use, flexible cable fixing sleeves 16 and rigid cable fixing sleeves 15 are sleeved on the points to be measured on the cable 17 to be measured that needs to be detected. The two ends of the cable 17 to be measured are connected to two system wiring terminals 19, so that the detection system 18 can detect the open circuit condition of the cable 17 to be measured. The detection system 18 is used to record the test time, number of times, etc. When the detection system 18 detects an open circuit of the cable 17 to be measured, the test ends. During the test run, the motor base 2 is controlled by the detection system 18 to rotate forward and backward. Since the driving screw 4 is threadedly connected to the moving nut seat 6, the moving nut seat 6 moves on the driving screw 4 and slides on the sliding optical rod 7 at the same time, so that the moving nut seat 6 drives the connecting seat 8 to move, and the connecting seat 8 drives the cable fixing table 9 to move, and the fixed clamping ring 11 and the moving clamping ring 12 connected to the end of the cable fixing table 9 are opened. The rigid cable fixing sleeve 15 is placed between the fixed clamping ring 11 and the moving clamping ring 12 and locked with the clamping ring locking screw 14. During operation, the connecting rotating shaft 10 can rotate freely to simulate the phenomenon that the cable will not be bent during actual use. At the same time, multiple reciprocating moving components are provided to test multiple segments of a cable 17 to be measured at the same time, and multiple cables 17 to be measured can also be tested simultaneously.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable bending durability testing device, characterized in that: The invention comprises a frame (1), a detection system (18), a system wiring terminal (19), a cable fixing component and a reciprocating component, wherein the system wiring terminal (19) is connected to the detection end of the detection system (18), there are two system wiring terminals (19), the two system wiring terminals (19) are respectively connected to the two ends of a cable to be tested (17), the middle section of the cable to be tested (17) is detachably fixedly connected to the cable fixing component, the cable fixing component is connected to the driving end of the reciprocating component, the reciprocating component is arranged in the middle section of the frame (1), and the two system wiring terminals (19) are respectively arranged at the two ends of the frame (1).

2. The cable bending durability testing device according to claim 1, characterized in that: The cable fixing components and the reciprocating components are multiple groups, and the driving end of each group of the reciprocating components is connected to multiple cable fixing components, and the multiple cable fixing components are simultaneously fixed to the middle section of the cable (17) to be tested.

3. The cable bending durability testing device according to claim 2, characterized in that: The reciprocating moving assembly comprises a motor seat (2), a reciprocating drive motor (3), a drive screw (4), a screw support (5), a movable nut seat (6), and a sliding polished rod (7); the motor seat (2) is fixedly connected to the frame (1); the reciprocating drive motor (3) is fixedly arranged on the motor seat (2); the rotating shaft of the reciprocating drive motor (3) is fixedly connected to one end of the drive screw (4); the other end of the drive screw (4) is rotatably connected to the screw support (5); the screw support (5) is connected to the The frame (1) is fixedly connected, the sliding rod (7) is fixed above the driving screw (4), the sliding rod (7) is fixed to the frame (1) through a screw bracket (5), the upper section of the movable nut seat (6) is slidably connected to the sliding rod (7), the lower section of the movable nut seat (6) is threadedly connected to the driving screw (4), the upper end of the movable nut seat (6) passes through the frame (1) and is able to slide, and the upper end of the movable nut seat (6) is fixedly connected to the cable fixing assembly.

4. The cable bending durability testing device according to claim 3, characterized in that: The cable fixing assembly comprises a connecting seat (8), a cable fixing platform (9), a connecting shaft (10), a fixed clamping ring (11), a movable clamping ring (12), a clamping ring pin shaft (13), and a clamping ring locking screw (14); the lower end of the cable fixing platform (9) is fixedly connected to the upper end of the connecting seat (8); the lower end of the connecting seat (8) is detachably fixedly connected to the upper end of the movable nut seat (6); one end of the cable fixing platform (9) is rotatably connected to one side of the fixed clamping ring (11) through the connecting shaft (10); one end of the fixed clamping ring (11) is rotatably connected to one end of the movable clamping ring (12) through the clamping ring pin shaft (13); the other end of the fixed clamping ring (11) and the other end of the movable clamping ring (12) are connected through the clamping ring locking screw (14); the fixed clamping ring (11) and the movable clamping ring (12) are clamped to hold the cable (17) to be tested through a sheath assembly.

5. The cable bending durability testing device according to claim 4, characterized in that: The sheath assembly comprises a cable rigid fixing sleeve (15) and a cable flexible fixing sleeve (16); the cable flexible fixing sleeve (16) is sleeved outside the cable to be tested (17); the cable rigid fixing sleeve (15) is sleeved outside the cable flexible fixing sleeve (16); and the cable rigid fixing sleeve (15) is fixed between the fixed clamp ring (11) and the movable clamp ring (12).

Images