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Device and method for extracting cable core

A cable and cable technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of cable insulation layer and shielding layer deformation damage, affecting the overall efficiency of cable testing, and affecting the accuracy of test results, etc., to achieve The cable is fixed stably, the working time is short, and the force is uniform

Active Publication Date: 2015-08-05
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method of extracting the cable core includes using a drill press or other metal tools to drill out, but this method has the following disadvantages: first, it is easy to cause damage to the deformation of the cable insulation layer and shielding layer, which directly affects the accuracy of the test results; Second, there is a large safety risk during operation, and improper operation can easily cause personal injury to the operator; third, the operation requires high technology and takes a long time, which affects the overall efficiency of cable testing

Method used

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  • Device and method for extracting cable core
  • Device and method for extracting cable core
  • Device and method for extracting cable core

Examples

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Embodiment

[0031] Such as Figure 1 to Figure 5 As shown, a device for pulling out a cable core includes a bar-shaped cable clamping body, and one end of the cable clamping body is provided with a cable fixing cavity along its length. The end of the cable clamping body with the cable fixing cavity is fixed with a cable fixing pressing piece, and the center of the cable fixing pressing piece is provided with a central hole 70 through which the cable core can pass. The other end of the cable clamping body is provided with a clamping palm for clamping by the tension machine.

[0032] In this example, if figure 1 As shown, the cable clamping body is fixed by a left clamping body 101 and a right clamping body 102, and one end of the left clamping body 101 and the right clamping body 102 is respectively provided with a semi-cylindrical clamping cavity 20 , the cable fixing cavity is composed of clamping cavities 20 respectively provided on the left clamping body 101 and the right clamping bo...

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Abstract

The invention discloses a device for pulling out a cable core, and the device comprises a strip-shaped cable clamping body; one end of the cable clamping body is provided with a cable fixing cavity along the length direction of the cable clamping body; the end of the cable clamping body which is provided with the cable fixing cavity is fixedly provided with a cable fixing tablet; the center of the cable fixing tablet is provided with a central hole for the cable core to penetrate through; and the other end of the cable clamping body is provided with a clamping palm for a tensile machine to clamp. The invention also discloses a method for pulling out the cable core. According to the device and the method for pulling out the cable core, the deformation and the damage of a cable insulation layer and a shielding layer are not caused, and the accuracy in a test result is not affected; no safety risk exists during operation, and the personal injury of an operator is not caused; and the technical requirements on operation are low, the operation time is short, and the overall efficiency of cable testing is improved.

Description

technical field [0001] The invention relates to the technical field of cable equipment, in particular to a device and method for extracting cable cores. Background technique [0002] Due to its high reliability, power cables have been widely used in power systems. However, due to the large differences in the production level and production process of various cable manufacturers, the quality of power cables is uneven. In order to ensure the reliable operation of the power system, it is necessary to perform strict network inspection on the power cables. Among the testing items stipulated in GB12706 "Rated Voltage 1kV (Um=1.2kV) to 35kV (Um=40.5kV) Extruded Insulated Power Cables and Accessories", insulation layer thickness measurement, conductor shielding layer thickness measurement, insulation shielding layer thickness Measurement, conductor shielding resistivity measurement and many other projects need to draw the core of the tested cable. The traditional method of extract...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/00
Inventor 苏海博叶建斌易满成黄强卢丽琴梁俊煦
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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