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High voltage switch contact mechanical life test device

A technology of mechanical life and high-voltage switching, which is applied in the testing of mechanical components, measuring devices, and testing of machine/structural components. It can solve the problems of inconvenient measurement, time-consuming and labor-intensive problems, and achieve convenient wiring, overcome limitations, and facilitate wear and tear. Effect

Inactive Publication Date: 2017-12-05
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-voltage switch contact mechanical life test device to solve the existing technical problems of inconvenient measurement, time-consuming and labor-intensive testing in the arc extinguishing chamber

Method used

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  • High voltage switch contact mechanical life test device

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Experimental program
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Embodiment Construction

[0016] Embodiment of the high-voltage switch contact mechanical life test device of the present invention: as figure 1 As shown, the high-voltage switch contact mechanical life test device includes a fixed bracket for installing the static contact 19 and a movable bracket for installing the moving contact 17 that can move back and forth in a straight line relative to the fixed bracket, and also includes a movable bracket for linear movement. The lower guide rail 1 and the upper guide rail 7 arranged in parallel with the lower guide rail 1. The fixed bracket is located on the lower guide rail 1. The fixed bracket includes a fixed base 2. The lower guide rail 1 is provided with a limit groove for circumferentially limiting the fixed base 2. The fixed base 2 is fixedly connected to the lower guide rail 1. The fixed base 2 is provided with a basin-type insulator 3, and the basin-type insulator 3 is provided with a static contact connecting conductor 20 for transitional electrical ...

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Abstract

The invention discloses a high-voltage switch contact mechanical life test device. The test device comprises a fixed bracket and a movable bracket capable of rectilinear reciprocating movement relative to the fixed bracket. There is a static contact installation part and a static terminal for connecting the static contact fracture measurement line. The movable support is provided with a moving contact connecting conductor, and the moving contact connecting conductor is provided with a moving contact installation part and a Connect the moving terminal of the moving contact fracture measurement line. The test device of the present invention can replace different dynamic and static contacts in the outside world to simulate the process of closing and disconnecting the dynamic and static contacts. The limitations of testing in the switch interrupter chamber make the conductive loop short, easy to wire, and easy to replace contacts.

Description

technical field [0001] The invention relates to the field of high-voltage switch test equipment, in particular to a high-voltage switch contact mechanical life test device. Background technique [0002] The switch contact is one of the key components of the high-voltage switch, which is mainly used for the energized contact between two relatively moving conductors. The characteristics of the contacts directly affect the function realization of the high voltage switch. The key characteristics of switch contacts mainly include: contact resistance, structural stress, surface wear, etc. Studying the changes of these characteristics through experiments has very important guiding significance for the optimal design of contacts. Traditional research methods generally use the entire high-voltage switch to conduct related research on the contacts, but the following problems will arise: (1) There is no professional contact characteristic measurement device, and the experimental rese...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
Inventor 张博王之军闫向鹏林生军张豪刘亚培王冠蒋晓旭贾耿峰闫建欣李军王刚
Owner STATE GRID CORP OF CHINA