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CN-224231503-U - Cable bending fatigue testing device

CN224231503UCN 224231503 UCN224231503 UCN 224231503UCN-224231503-U

Abstract

The utility model relates to the technical field related to cable bending tests, in particular to a cable bending fatigue testing device which comprises a test bench, wherein a positioning mechanism is arranged on one side of the top surface of the test bench, a clamping mechanism is arranged at the upper end of the positioning mechanism, a rotating disk is arranged above the test bench, a central shaft is welded above the rotating disk, a bending hole is formed above the rotating disk, a bending shaft is inlaid in the bending hole, supporting holes are formed in two ends of the top surface of the rotating disk, supporting shafts are arranged in the supporting holes, and universal wheels are arranged on the bottom surface of the test bench. This cable bending fatigue testing device, through fixture's setting, in the use, fixture can carry out the centre gripping to the cable of different diameters fixedly, carries out test operation afterwards, and whole easy operation is swift, need not to change clamping jig because of the cable size is different, improves efficiency of software testing greatly.

Inventors

  • PEI SHIXIONG

Assignees

  • 北京亨通力缆科技有限公司

Dates

Publication Date
20260512
Application Date
20250523

Claims (10)

  1. 1. The cable bending fatigue testing device comprises a testing table (1) and is characterized in that a positioning mechanism (2) is arranged on one side of the top surface of the testing table (1), a clamping mechanism (3) is arranged at the upper end of the positioning mechanism (2), a rotating disc (4) is arranged above the testing table (1), a central shaft (5) is welded above the rotating disc (4), a bending hole (6) is formed above the rotating disc (4), a bending shaft (7) is inlaid in the bending hole (6), supporting holes (8) are formed in two ends of the top surface of the rotating disc (4), supporting shafts (9) are formed in the supporting holes (8), and universal wheels (10) are arranged on the bottom surface of the testing table (1); The clamping mechanism (3) comprises a supporting base (301), a second limiting groove (302), a second screw rod (303), a screw head (304), a third limiting block (305), a fourth limiting block (306), a second fixing block (307) and a clamping plate (308), wherein the upper end of the positioning mechanism (2) is connected with the supporting base (301), the second limiting groove (302) is formed in one side of the supporting base (301), the second screw rod (303) is arranged in the second limiting groove (302), the screw head (304) is arranged at one end of the second screw rod (303), the third limiting block (305) is connected to the top end of the supporting base (301), the fourth limiting block (306) is connected to the inner portion of the second limiting groove (302), the second fixing block (307) is sleeved at one end of the second screw rod (303), and the clamping plate (308) is connected to one end of the second fixing block (307).
  2. 2. A cable bending fatigue testing device according to claim 1, wherein the second screw (303) penetrates the second fixing block (307) and is welded with the screw head (304).
  3. 3. A cable bending fatigue testing device according to claim 1, wherein the second fixing block (307) is connected with the clamping plate (308) in a mosaic manner.
  4. 4. The cable bending fatigue testing device according to claim 1, wherein the positioning mechanism (2) comprises a first limiting groove (201), a first screw rod (202), a first limiting block (203), a second limiting block (204), a first fixing block (205), a first threaded hole (206) and a handle (207), and the first limiting groove (201) is formed in one side above the testing table (1).
  5. 5. The cable bending fatigue testing device according to claim 4, wherein a first screw rod (202) is arranged in the first limiting groove (201), one end of the first screw rod (202) is connected with a first limiting block (203), the other end of the first screw rod (202) is connected with a second limiting block (204), one end of the first screw rod (202) is provided with a first fixing block (205), one side of the first fixing block (205) is provided with a first threaded hole (206), and one end of the first limiting block (203) is connected with a handle (207).
  6. 6. The cable bending fatigue testing device according to claim 5, wherein one end of the first screw rod (202) is fixedly connected with the first limiting block (203), the other end of the first screw rod (202) is fixedly connected with the second limiting block (204), and the other end of the first limiting block (203) is welded with the handle (207).
  7. 7. The cable bending fatigue testing device according to claim 1, wherein the bending hole (6) is connected with the bending shaft (7) in an embedded manner.
  8. 8. The cable bending fatigue testing device according to claim 7, wherein the supporting hole (8) is connected with the supporting shaft (9) in an embedded manner.
  9. 9. A cable bending fatigue testing device according to claim 1, wherein the universal wheel (10) is provided with four sets.
  10. 10. A cable bending fatigue testing device according to claim 9, wherein the universal wheel (10) is a universal brake wheel.

Description

Cable bending fatigue testing device Technical Field The utility model relates to the technical field related to cable bending test, in particular to a cable bending fatigue test device. Background Cables are a generic term for items such as optical cables and electric cables. The cable has a plurality of purposes, is mainly used for controlling multiple functions of installation, connection equipment, power transmission and the like, is an indispensable thing common in daily life, is particularly careful in installation because of electrified cable, can cause ageing or cracking of insulating materials and increase the risk of electric leakage and short circuit because of repeated bending of the cable, can identify the fatigue strength of the material by testing, avoids fire or electric shock accidents caused by insulation failure, detects the fatigue limit of a cable metal conductor by simulating a dynamic bending scene, and prevents equipment downtime or signal interruption caused by breakage, so that the cable bending fatigue testing device is particularly needed. However, in the existing cable bending fatigue testing device, most cable bending fatigue testing devices use springs in the selection of positioning support parts, and the springs are easy to deform or even break due to the problems of elastic coefficients, materials, pressure and the like, so that the whole cable bending fatigue testing device cannot be used. Disclosure of utility model The utility model aims to provide a cable bending fatigue testing device, which aims to solve the problems that in the prior cable bending fatigue testing device proposed in the background technology, most cable bending fatigue testing devices use springs in the selection of positioning support parts, and the springs are easy to deform or even break due to the problems of elastic coefficient, materials, pressure and the like, so that the whole cable bending fatigue testing device cannot be used. The cable bending fatigue testing device comprises a testing table, wherein a positioning mechanism is arranged on one side of the top surface of the testing table, a clamping mechanism is arranged at the upper end of the positioning mechanism, a rotating disk is arranged above the testing table, a central shaft is welded above the rotating disk, a bending hole is formed above the rotating disk, a bending shaft is inlaid in the bending hole, supporting holes are formed in two ends of the top surface of the rotating disk, supporting shafts are arranged in the supporting holes, and universal wheels are installed on the bottom surface of the testing table; The clamping mechanism comprises a supporting base, a second limiting groove, a second screw rod, a screw head, a third limiting block, a fourth limiting block, a second fixing block and a clamping plate, wherein the supporting base is connected to the upper end of the positioning mechanism, the second limiting groove is formed in one side of the supporting base, the second screw rod is arranged in the second limiting groove, the screw head is arranged at one end of the second screw rod, the third limiting block is connected to the top end of the supporting base, the fourth limiting block is connected to the inner portion of the second limiting groove, the second fixing block is sleeved at one end of the second screw rod, and the clamping plate is connected to one end of the second fixing block. Preferably, the second screw rod penetrates through the second fixing block and is welded with the screw head. Preferably, the second fixing block is connected with the clamping plate in an embedded mode. Preferably, the positioning mechanism comprises a first limit groove, a first screw rod, a first limit block, a second limit block, a first fixed block, a first threaded hole and a handle, wherein the first limit groove is formed in one side above the test bench. Preferably, the inside of first spacing groove is provided with first lead screw, the one end of first lead screw is connected with first stopper, the other end of first lead screw is connected with the second stopper, the one end of first lead screw is equipped with first fixed block, first screw hole has been seted up to one side of first fixed block, the one end of first stopper is connected with the handle. Preferably, one end of the first screw rod is fixedly connected with the first limiting block, the other end of the first screw rod is fixedly connected with the second limiting block, and the other end of the first limiting block is welded with the handle. Preferably, the bending hole is connected with the bending shaft in an embedded manner. Preferably, the support hole is connected with the support shaft in an embedded manner. Preferably, the universal wheels are provided with four groups. Preferably, the universal wheel is a universal brake wheel. Compared with the prior art, the cable bending fatigue testing device has the beneficial effects that through th