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CN-224231880-U - Supporting device for high-voltage cable experiment

CN224231880UCN 224231880 UCN224231880 UCN 224231880UCN-224231880-U

Abstract

The utility model relates to the technical field of power cables and discloses a supporting device for high-voltage cable experiments, which comprises a centering clamping part and a test bed, wherein the centering clamping part comprises a supporting frame, a driving unit, a linkage unit and a plurality of groups of clamping arms, the clamping arms are radially and slidably connected to the supporting frame, one group of driving clamping arms exist in the plurality of groups of clamping arms, the rest are driven clamping arms, the driving unit is used for driving the driving clamping arms to linearly move, and the linkage unit is used for transmitting power of the driving clamping arms to all the driven clamping arms so that all the clamping arms synchronously move. According to the utility model, the centering clamping part is arranged, so that the center of the cable is at the preset height after the cable is fixed, various performance experiments on the cable are more convenient later, the time spent in debugging in the follow-up experiments is greatly reduced, the experimental efficiency is improved, and the linkage unit is arranged, so that the synchronous driving of a single driving source to all clamping arms is realized, the power source setting is reduced, and the device volume is reduced.

Inventors

  • YIN HUAQIAN

Assignees

  • 成都智信耀邦科技有限公司

Dates

Publication Date
20260512
Application Date
20250411

Claims (7)

  1. 1. Support arrangement for high tension cable experiments, characterized in that includes: The centering clamping part is used for clamping and supporting the cable and comprises a supporting frame, a driving unit, a linkage unit and a plurality of groups of clamping arms, wherein the clamping arms are radially and slidably connected to the supporting frame, the groups of clamping arms are distributed at equal intervals, one group of driving clamping arms exist in the groups of clamping arms, and the rest are driven clamping arms; And the test stand (101) is used for installing the centering clamping part.
  2. 2. The supporting device for high-voltage cable experiments according to claim 1, wherein the supporting frame comprises an outer support (102) and an inner support (103), the inner support (103) is installed on the outer support (102), the outer support (102) is installed on the test bench (101), the clamping arm comprises a sliding rod and a clamping head, the clamping head is installed at the end of the sliding rod, the sliding rod is connected to the supporting frame in a sliding mode, the linkage unit comprises an arc-shaped rack (108), a linear rack (109) and a gear (110), the linear rack (109) is installed on the sliding rod, the arc-shaped rack (108) is connected to the outer support (102) in a sliding mode, the gear (110) is connected to the outer support (102) in a rotating mode, and the gear (110) is meshed with the linear rack (109) and the arc-shaped rack (108) respectively.
  3. 3. The supporting device for high-voltage cable experiments as claimed in claim 2, wherein the sliding rod comprises a first sliding rod unit (104) and a second sliding rod unit (106), the second sliding rod unit (106) is connected to the first sliding rod unit (104) in a sliding manner, and a spring (112) is arranged between the first sliding rod unit (104) and the second sliding rod unit (106).
  4. 4. The supporting device for high-voltage cable experiments as claimed in claim 2, wherein the clamping head comprises an insulating head (107), the insulating head (107) is made of ceramic, an anti-slip pad (111) is arranged on the insulating head (107), and the anti-slip pad (111) is made of rubber.
  5. 5. The supporting device for high-voltage cable experiments as claimed in claim 4, wherein the insulating head (107) is provided with a mounting hole (113), and the anti-slip pad (111) is embedded in the mounting hole (113).
  6. 6. The supporting device for high-voltage cable experiments according to any one of claims 2 to 5, wherein the supporting frame is annular and is provided with an open top, namely the tops of the outer bracket (102) and the inner bracket (103) are provided with open rings.
  7. 7. The supporting device for high-voltage cable experiments as claimed in any one of claims 2 to 5, wherein the driving unit comprises a linear driving source (105), the linear driving source (105) is installed on the test bench (101), an output end of the linear driving source (105) is connected with the sliding rod, and the linear driving source (105) is any one of a linear motor, a hydraulic cylinder and a pneumatic cylinder.

Description

Supporting device for high-voltage cable experiment Technical Field The utility model relates to the technical field of power cables, in particular to a supporting device for high-voltage cable experiments. Background A cable is a power transmission device composed of a conductive material (typically copper or aluminum) and an insulating material. It realizes the transmission of electric power and the transmission of signals by transmitting current. The basic structure of the cable generally includes conductors, insulation layers, jacket layers, and some special purpose outer protective layers. The cable has very wide application and covers a plurality of fields of power, communication, industry and the like. In order to ensure that the performance of the cable meets the standard, manufacturers typically perform performance tests on the cable before the cable leaves the factory. Performance tests include electrical performance tests, mechanical performance tests, environmental suitability tests, fire safety tests, ageing tests, chemical stability tests, electromagnetic compatibility (EMC) tests, etc., and in order to test data accurately, it is therefore generally necessary to fix the cable to be tested on a test stand, so as to ensure that the cable does not malfunction. Because the cable diameter of every turn test is different, consequently current strutting arrangement is fixed the back with the cable, and the height of cable can't be unified, consequently needs frequent strutting arrangement's height, and then adjusts cable height, and complex operation, experimental efficiency is lower. In order to solve the problems, the utility model provides the supporting device capable of uniformly fixing cables with different specifications at the same height, thereby providing convenience for subsequent experiments and improving the experimental efficiency. Disclosure of utility model The utility model aims to provide a supporting device for high-voltage cable experiments, which solves the problems that when the existing supporting device is used for fixing cables with different specifications, the subsequent experiments need to be frequently regulated due to different heights of the cables, and the efficiency is low. The utility model is realized by the following technical scheme that the supporting device for the high-voltage cable experiment comprises: The centering clamping part is used for clamping and supporting the cable and comprises a supporting frame, a driving unit, a linkage unit and a plurality of groups of clamping arms, wherein the clamping arms are radially and slidably connected to the supporting frame, the groups of clamping arms are distributed at equal intervals, one group of driving clamping arms exist in the groups of clamping arms, and the rest are driven clamping arms; The test bench is used for installing the centering clamping part. In order to better realize the utility model, the support frame comprises an outer support and an inner support, wherein the inner support is arranged on the outer support, the outer support is arranged on the test bed, the clamping arm comprises a sliding rod and a clamping head, the clamping head is arranged at the end part of the sliding rod, the sliding rod is connected to the support frame in a sliding manner, the linkage unit comprises an arc-shaped rack, a linear rack and a gear, the linear rack is arranged on the sliding rod, the arc-shaped rack is connected to the outer support in a sliding manner, the gear is connected to the outer support in a rotating manner, and the gear is meshed with the linear rack and the arc-shaped rack respectively. In order to better realize the utility model, the sliding rod further comprises a first sliding rod unit and a second sliding rod unit, wherein the second sliding rod unit is connected to the first sliding rod unit in a sliding manner, and a spring is arranged between the first sliding rod unit and the second sliding rod unit. In order to better realize the utility model, the clamping head further comprises an insulating head, wherein the insulating head is made of ceramic, an anti-slip pad is arranged on the insulating head, and the anti-slip pad is made of rubber. In order to better realize the utility model, further, the insulating head is provided with a mounting hole, and the anti-slip pad is embedded in the mounting hole. In order to better realize the utility model, the support frame is annular, and the top of the support frame is arranged in an open loop, namely the tops of the outer support frame and the inner support frame are both arranged in an open loop. In order to better realize the utility model, the driving unit further comprises a linear driving source, wherein the linear driving source is arranged on the test bed, the output end of the linear driving source is connected with the sliding rod, and the linear driving source is any one of a linear motor, a hydraulic cylinder and a cylinder. Comp