Cable bending fatigue test device

Abstract

The utility model relates to cable technical field discloses cable bending fatigue test device, including test table, the lower extreme fixed setting of test table has support base, the lower extreme fixed setting of support base has telescopic leg, the lower extreme swing setting of telescopic leg has mobile universal wheel, the upper extreme fixed setting of test table has fixed screw rod, still including support arm post, lifting motor, lifting screw rod, the upper extreme swing setting of fixed screw rod has support arm post, the upper extreme fixed setting of support arm post has lifting motor. The cable bending fatigue test device, through the improvement to main body mechanism, make the movable adjustment and the collection bending ability of this screening mechanism improve, in the actual use process of this screening mechanism, can according to need bend fatigue test device movable adjustment to the appropriate position angle, the cable is conveniently collected and bent fatigue test, has improved the bending fatigue test effect of cable bending fatigue test device.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, specifically to a cable bending fatigue testing device. Background Technology

[0002] A cable is an electrical energy or signal transmission device, usually composed of several or several groups of conductors. Cables include power cables, control cables, compensating cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and so on.

[0003] Existing technology publication CN203758851U discloses a bending fatigue testing machine suitable for radio frequency coaxial cable assemblies, including a base and a stepper motor. The stepper motor is disposed on the upper surface of the base. Two support frames perpendicular to the base are disposed on the side of the base. A first disk and a second disk are respectively disposed on the two support frames. The second disk is connected to the support frame via a drive shaft. A swing arm, a bracket, and a timing belt are sequentially passed through one side of the second disk on the drive shaft. The other end of the timing belt is connected to the actuating end of the stepper motor. The upper half of the swing arm... The machine has holes at the top, with a wire clamp shaft inside the uppermost hole. A wire clamp is mounted on the wire clamp shaft. The first disc is connected to the support frame via a turntable shaft. The synchronous belt is connected to the drive shaft via a synchronous pulley. Both the first and second discs have arc-shaped grooves on their circumferences. Both discs are detachable and servo-controlled. Through system settings, the cable assembly can be repeatedly moved at a specific frequency and bending radius. The bending radius is changed by replacing the discs on the machine. The number of bends and the frequency are set and controlled by a microcomputer controller. This testing machine only provides a continuously bending environment and cannot perform real-time evaluation of the cable's electrical performance indicators. External testing equipment is needed to test the cable assembly after a certain number of bends to estimate its service life.

[0004] However, in the existing technology CN203758851U patent, the bending fatigue testing machine for radio frequency coaxial cable assemblies has poor mobility adjustment and coiling bending capabilities. As a result, in the actual use of the bending fatigue testing machine for radio frequency coaxial cable assemblies, it is impossible to adjust the bending fatigue testing device to a suitable position and angle as needed. This makes it inconvenient to coil and conduct bending fatigue tests on the cable, thus affecting the bending fatigue test effect of the bending fatigue testing machine for radio frequency coaxial cable assemblies. Utility Model Content

[0005] Technical problems to be solved The purpose of this invention is to provide a cable bending fatigue testing device to solve the problem of poor adjustment and coiling bending ability of a bending fatigue testing machine suitable for radio frequency coaxial cable assemblies mentioned in the background art.

[0006] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a cable bending fatigue testing device, comprising a test bench, a support base fixedly mounted at the lower end of the test bench, a telescopic leg fixedly mounted at the lower end of the support base, a movable caster wheel movably mounted at the lower end of the telescopic leg, and a fixed screw rod fixedly mounted at the upper end of the test bench; further comprising a support arm column, a lifting motor, and a lifting screw rod; a support arm column movably mounted at the upper end of the fixed screw rod, a lifting motor fixedly mounted at the upper end of the support arm column, a lifting screw rod fixedly mounted at the lower end of the lifting motor, and a movable block fixedly mounted at one end of the lifting screw rod.

[0007] The movable block is fixedly equipped with a rotary motor at one end, and a connecting plate is fixedly equipped with a connecting plate at the other end. Through the improvement of the main structure, the movable adjustment and bending ability of the screening mechanism are improved. In the actual use of the screening mechanism, the bending fatigue testing device can be moved to a suitable position and angle as needed, which facilitates the cable to be bundled and bent fatigue tested, thus improving the bending fatigue test effect of the cable bending fatigue testing device. One end of the connecting plate is fixedly provided with a fixing plate, and one end of the fixing plate is fixedly provided with a clamping frame. By using the casters, the cable bending fatigue test device is moved to a suitable position. Then, by controlling the extension and retraction of the telescopic legs, the test platform and support base are moved to a horizontal height. One end of the clamping frame is fixedly provided with an extension block, and a movable rod is movably provided in the middle of the extension block. One end of the movable rod is fixedly provided with a clamping pad. The use of the fixed screw facilitates the movement of the support arm column. Then, by turning on the lifting motor, the lifting screw is driven to rotate, and the movable block is moved to a suitable height. The upper end of the fixed screw is movably provided with a fixed block, and the upper end of the fixed block is fixedly provided with a telescopic block. By turning on the rotary motor, the connecting plate is driven to rotate. Then, by using the connecting plate, the rotation of the fixed plate, the clamping frame, and the extension block is facilitated. The telescopic block has a coiling motor fixedly installed at one end, and a coiling drive shaft fixedly installed at the other end. By moving the movable rod, the clamping pad is pushed to a suitable position, which facilitates the clamping and fixing of the cable. Then, by extending and retracting the fixed block and the telescopic block, the coiling motor is moved to a suitable height. The cable winding drive shaft has a limit plate fixedly installed at one end, a connecting post fixedly installed in the middle of the limit plate, and a baffle plate fixedly installed in the middle of the connecting post. The cable winding drive shaft rotates, causing the limit plate, connecting post, and baffle plate to rotate, which facilitates the cable winding adjustment. Compared with the prior art, the beneficial effects of this utility model are: 1. The cable bending fatigue testing device improves the adjustment and bending capacity of the screening mechanism through improvements to the main structure. In actual use, the bending fatigue testing device can be adjusted to a suitable position and angle as needed, which facilitates the cable to be bundled and bent for fatigue testing, thus improving the bending fatigue testing effect of the cable bending fatigue testing device. 2. This cable bending fatigue testing device uses casters to move the device to a suitable position. Then, by controlling the extension and retraction of the telescopic legs, the test platform and support base are moved to a horizontal height. The use of a fixing screw facilitates the movement of the support arm column. Then, by activating the lifting motor, the lifting screw is rotated, moving the movable block to a suitable height. Then, by activating the rotary motor, the connecting plate is rotated. The use of the connecting plate facilitates the rotation of the fixing plate, clamping frame, and extension block. 3. This cable bending fatigue testing device uses the movement of the movable rod to push the clamping pad to a suitable position, which facilitates the clamping and fixing of the cable. Then, through the extension and retraction of the fixed block and the telescopic block, the cable winding motor is moved to a suitable height. Then, through the rotation of the cable winding drive shaft, the limit plate, connecting column and grid plate start to rotate, which facilitates the cable winding adjustment.

[0008] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0009] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the test bench structure of this utility model; Figure 3 This is a schematic diagram of the clamping frame structure of this utility model; Figure 4 This is a schematic diagram of the connecting column structure of this utility model.

[0010] In the diagram: 1. Test bench; 2. Support base; 3. Telescopic leg; 4. Caster wheel; 5. Fixed screw; 6. Support arm column; 7. Lifting motor; 8. Lifting screw; 9. Movable block; 10. Rotary motor; 11. Connecting plate; 12. Fixed plate; 13. Clamping frame; 14. Extension block; 15. Movable rod; 16. Clamping pad; 17. Fixed block; 18. Telescopic block; 19. Retraction motor; 20. Retraction drive shaft; 21. Limiting plate; 22. Connecting column; 23. Barrier plate. Detailed Implementation

[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0012] The first embodiment of this application is as follows: Please refer to... Figure 1 - Figure 3 This utility model provides a technical solution: a cable bending fatigue testing device, including a test bench 1, a support base 2 fixedly installed at the lower end of the test bench 1, a telescopic leg 3 fixedly installed at the lower end of the support base 2, a movable universal wheel 4 movably installed at the lower end of the telescopic leg 3, and a fixed screw rod 5 fixedly installed at the upper end of the test bench 1; it also includes a support arm column 6, a lifting motor 7, and a lifting screw rod 8; the support arm column 6 is movably installed at the upper end of the fixed screw rod 5, the lifting motor 7 is fixedly installed at the upper end of the support arm column 6, the lifting screw rod 8 is fixedly installed at the lower end of the lifting motor 7, and a movable block 9 is fixedly installed at one end of the lifting screw rod 8.

[0013] A rotary motor 10 is fixedly installed at one end of the movable block 9. A connecting plate 11 is fixedly installed at one end of the rotary motor 10. A fixed plate 12 is fixedly installed at one end of the connecting plate 11. A clamping frame 13 is fixedly installed at one end of the fixed plate 12. An extension block 14 is fixedly installed at one end of the clamping frame 13. A movable rod 15 is movably installed in the middle of the extension block 14. A clamping pad 16 is fixedly installed at one end of the movable rod 15. The above cases show that the inability to bundle and adjust the cable as needed makes it inconvenient to use the cable bending fatigue testing device.

[0014] The second embodiment of this application is as follows: Please refer to... Figure 1 - Figure 4This utility model provides a technical solution: a cable bending fatigue testing device, including a test bench 1, a support base 2 fixedly installed at the lower end of the test bench 1, a telescopic leg 3 fixedly installed at the lower end of the support base 2, a movable universal wheel 4 movably installed at the lower end of the telescopic leg 3, and a fixed screw rod 5 fixedly installed at the upper end of the test bench 1; it also includes a support arm column 6, a lifting motor 7, and a lifting screw rod 8; the support arm column 6 is movably installed at the upper end of the fixed screw rod 5, the lifting motor 7 is fixedly installed at the upper end of the support arm column 6, the lifting screw rod 8 is fixedly installed at the lower end of the lifting motor 7, and a movable block 9 is fixedly installed at one end of the lifting screw rod 8.

[0015] A rotary motor 10 is fixedly installed at one end of the movable block 9. A connecting plate 11 is fixedly installed at one end of the rotary motor 10. A fixed plate 12 is fixedly installed at one end of the connecting plate 11. A clamping frame 13 is fixedly installed at one end of the fixed plate 12. An extension block 14 is fixedly installed at one end of the clamping frame 13. A movable rod 15 is movably installed in the middle of the extension block 14. A clamping pad 16 is fixedly installed at one end of the movable rod 15. By using the casters 4, the cable bending fatigue test device is moved to a suitable position. Then, by controlling the extension and retraction of the telescopic legs 3, the test platform 1 and the support base 2 are moved to a horizontal height. Then, by using the fixed screw 5, the movement of the support arm column 6 is facilitated. Then, by opening the lifting motor 7, the lifting screw 8 is driven to rotate, and the movable block 9 is moved to a suitable height. Then, by opening the rotary motor 10, the connecting plate 11 is driven to rotate. Then, by using the connecting plate 11, the rotation of the fixed plate 12, the clamping frame 13, and the extension block 14 is facilitated. A fixing block 17 is movably mounted on the upper end of the fixing screw 5. A telescopic block 18 is fixedly mounted on the upper end of the fixing block 17. A coiling motor 19 is fixedly mounted on one end of the telescopic block 18. A coiling drive shaft 20 is fixedly mounted on one end of the coiling motor 19. A limit plate 21 is fixedly mounted on one end of the coiling drive shaft 20. A connecting post 22 is fixedly mounted in the middle of the limit plate 21. A baffle plate 23 is fixedly mounted in the middle of the connecting post 22. By moving the movable rod 15, the clamping pad 16 is pushed to a suitable position, which facilitates the clamping and fixing of the cable. Then, by extending and retracting the fixing block 17 and the telescopic block 18, the coiling motor 19 is moved to a suitable height. Then, by rotating the coiling drive shaft 20, the limit plate 21, the connecting post 22, and the baffle plate 23 begin to rotate, which facilitates the coiling and adjustment of the cable.

[0016] Working principle: First, the cable bending fatigue testing device is moved to a suitable position by using the casters 4. Then, by controlling the extension and retraction of the telescopic legs 3, the test platform 1 and support base 2 are moved to a horizontal height. Then, the support arm column 6 is moved by using the fixing screw 5. Then, the lifting motor 7 is turned on, which drives the lifting screw 8 to rotate and moves the movable block 9 to a suitable height. Then, the connecting plate 11 is turned on by turning the rotary motor 10. Then, the fixed plate 12, clamping frame 13 and extension block 14 are rotated by using the connecting plate 11. Then, the clamping pad 16 is pushed to a suitable position by the movement of the movable rod 15, which facilitates the clamping and fixing of the cable. Then, the cable retraction motor 19 is moved to a suitable height by extending and retracting the fixed block 17 and the telescopic block 18. Then, the cable retraction drive shaft 20 is rotated, which causes the limit plate 21, connecting column 22 and grid plate 23 to start rotating, which facilitates the cable retraction and adjustment.

[0017] Finally, it should be noted that the above content is only used to illustrate the technical solution of this utility model, and is not intended to limit the scope of protection of this utility model. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model do not depart from the essence and scope of the technical solution of this utility model.

Claims

1. A cable bending fatigue testing device, comprising a test bench (1), characterized in that, The test bench (1) is fixedly provided with a support base (2) at the lower end, and a telescopic leg (3) is fixedly provided at the lower end of the support base (2). A movable universal wheel (4) is movably provided at the lower end of the telescopic leg (3). A fixing screw (5) is fixedly provided at the upper end of the test bench (1). It also includes a support arm column (6), a lifting motor (7), and a lifting screw (8); The upper end of the fixed screw (5) is movably provided with a support arm column (6), the upper end of the support arm column (6) is fixedly provided with a lifting motor (7), the lower end of the lifting motor (7) is fixedly provided with a lifting screw (8), and one end of the lifting screw (8) is fixedly provided with a movable block (9).

2. The cable bending fatigue testing device according to claim 1, characterized in that: A rotary motor (10) is fixedly installed at one end of the movable block (9), and a connecting plate (11) is fixedly installed at one end of the rotary motor (10).

3. The cable bending fatigue testing device according to claim 2, characterized in that: A fixing plate (12) is fixedly provided at one end of the connecting plate (11), and a clamping frame (13) is fixedly provided at one end of the fixing plate (12).

4. The cable bending fatigue testing device according to claim 3, characterized in that: An extension block (14) is fixedly provided at one end of the clamping frame (13), and a movable rod (15) is movably provided in the middle of the extension block (14). A clamping pad (16) is fixedly provided at one end of the movable rod (15).

5. The cable bending fatigue testing device according to claim 4, characterized in that: A fixing block (17) is movably provided at the upper end of the fixing screw (5), and a telescopic block (18) is fixedly provided at the upper end of the fixing block (17).

6. The cable bending fatigue testing device according to claim 5, characterized in that: One end of the telescopic block (18) is fixedly provided with a retraction motor (19), and one end of the retraction motor (19) is fixedly provided with a retraction drive shaft (20).

7. The cable bending fatigue testing device according to claim 6, characterized in that: One end of the retractable drive shaft (20) is fixedly provided with a limiting disk (21), a connecting column (22) is fixedly provided in the middle of the limiting disk (21), and a baffle disk (23) is fixedly provided in the middle of the connecting column (22).

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