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Insulator bearing capacity test tool

A pressure-bearing capacity and insulator technology, applied in the field of insulator pressure-bearing capacity test tooling, can solve the problems of low precision and low efficiency of insulators, and achieve the effect of reducing workload, improving efficiency, and reducing assembly links.

Inactive Publication Date: 2020-02-18
PINGGAO GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a test tool for insulator pressure bearing capacity, which can solve the problems of low precision and low efficiency when testing insulators in the prior art

Method used

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Embodiment Construction

[0038] Such as Figure 2 to Figure 9 As shown, it is an embodiment of the insulator pressure-bearing capacity test tool in the present invention. Taking the test of the pot insulator as an example, the test tool includes an upper cover 5 for fixing and clamping the pot insulator 4 and a pair of pot insulators. 4 supports the base 6, the upper cover 5 and the base 6 are all cover bodies, and the inner cavity in the cover body of the upper cover 5 cooperates with the pot insulator 4 fixed in the clamping part to form a pressure chamber for water injection. The upper cover 5 and the base 6 are provided with a cylindrical inner cavity, and the outer peripheral surface of the cover body is provided with outwardly extending flanges. Its specific structure is an upper fixing plate 53 and a lower fixing plate 63. The upper through hole 56 and the lower through hole 66 are screwed together, and the fixing plate on the upper cover 5 and the base 6 clamps the flange 42 of the pot insulat...

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Abstract

The present invention relates to the technical field of high-voltage circuit breakers, and specifically provides an insulator bearing capacity test tool. The insulator bearing capacity test tool includes a base for supporting an insulator and an upper cover for hermetically covering the insulator to form a pressure cavity. The upper cover is connected with a pressurizing pipeline for inputting high pressure fluid into the pressure cavity; and the upper cover is provided with a sensor for obtaining a pressure value in the pressure cavity. The test tool also includes a controller for controllingthe operation of apressurizing system according to sensor detection value. The controller has a signal input terminal connected with a signal output terminal of the sensor. Through the sensor on theupper cover for obtaining the pressure value in the pressure cavity, the pressure value can be fed back to the controller in real time. The controller can judge whether to continue to pump high pressure fluid into the pressure cavity according to the change of the pressure value, which avoids the manual control of technicians in the prior art, reduces the tasks of technicians and realizes the automation of the test process.

Description

technical field [0001] The invention relates to the technical field of high-voltage circuit breakers, in particular to a tool for testing the pressure bearing capacity of an insulator. Background technique [0002] In high-voltage GIS circuit breakers, insulators play an important role in insulation protection and isolation of gas chambers. This requires that insulators not only have a certain insulation capacity, but also have a good ability to withstand pressure. Taking the pot insulator as an example, in order to ensure its pressure bearing capacity, before the pot insulator leaves the factory, it is necessary to carry out a hydraulic test on the pot insulator with the help of test equipment. In the 2nd issue and volume 42 of "High Voltage Technology" in 2016, a document titled "Structure Design of Potty Insulator Central Insert for 1100kv Gas Insulated Switchgear" was published, which disclosed a tooling The hydrostatic test method for simulating the bearing pressure of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M5/00G01M13/00
CPCG01M5/005G01M13/00
Inventor 宋超杜迎乾郭良超方启宋广民刘煜朱苛娄刘宇彭涛何大伟王慧慧
Owner PINGGAO GRP