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A cable tensile strength testing device

A detection device and technology for tensile strength, which is applied in the field of power transmission cables, can solve problems such as the inability to detect changes in the tensile force of the cable, and achieve the effect of reducing detection steps and making detection convenient

Active Publication Date: 2020-10-09
GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the present invention provides a cable tensile strength detection device to solve the problem that the existing cable tensile testing machine in the prior art cannot detect the stress of each section of the cable and the The problem of the change of segment stretching amount

Method used

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  • A cable tensile strength testing device
  • A cable tensile strength testing device
  • A cable tensile strength testing device

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Embodiment Construction

[0035] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] like Figure 1 to Figure 5 As shown, the present invention provides a cable tensile strength detection device, including a guide rod 1, and a tensile test group 2 that is slidably connected to the guide rod 1 and used to fix the test cable. One side of the 2 is provided with a control device 3 for driving the tensile test group 2 to perform a tensile test on the test cable.

[0037] The ...

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Abstract

The invention discloses a cable tensile strength detection device, which comprises a guide rod and a tensile test group slidably connected to the guide rod and used for fixing the test cable, and is arranged on one side of the tensile test group There is a control device for driving the tensile test group to perform a tensile test on the test cable. The tensile test group includes two tensile test blocks, and at least one auxiliary test block is arranged on the two tensile test blocks. , the two tensile test blocks are respectively used to clamp the two ends of the test cable. When in use, a plurality of connectors can be shrunk synchronously through the driving device, and further the tension test block and the auxiliary test block can be connected to each other. Increase or decrease the spacing between them synchronously, so that when the cable is stretched, the offset of the auxiliary test block can be used to intuitively reflect the change data of the stretching amount between the segments of the test cable. When , the detection steps of the cable can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of power transmission cables, in particular to a cable tensile strength detection device. Background technique [0002] Power cables are cables used to transmit and distribute electric energy. Power cables are often used in urban underground power grids, power station lead-out lines, internal power supply in industrial and mining enterprises, and underwater transmission lines across rivers and seas. In order to ensure the operation and life of the cables, not only the cables are required to have excellent The insulation performance of the cable, and considering the thermal performance of the cable, the way of laying and the tensile performance of the cable, the corresponding requirements are put forward for the conductive core, insulation and sheath of the cable. [0003] In order to ensure that the produced cables meet the various indicators, it is necessary to carry out relevant inspections on the cables w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N3/02
CPCG01N3/02G01N3/08G01N2203/0017
Inventor 张登杨松周卓伟李苑辉
Owner GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU
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