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Opening and closing buffer device and fast mechanical switch using the device

A buffer device and mechanical switch technology, applied in electrical switches, contact operating mechanisms, contact vibration/impact damping, etc., can solve the problems of complex structure and frequent maintenance of buffer devices, achieve simple structure, reduce maintenance frequency, and facilitate Effects of machining and assembly

Active Publication Date: 2019-01-22
PINGGAO GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an opening and closing buffer device to solve the problems of complex structure and frequent maintenance of the buffer device in the prior art

Method used

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  • Opening and closing buffer device and fast mechanical switch using the device
  • Opening and closing buffer device and fast mechanical switch using the device
  • Opening and closing buffer device and fast mechanical switch using the device

Examples

Experimental program
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Effect test

Embodiment Construction

[0033] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0034] An example of a fast mechanical switch in the present invention is Figure 1~Figure 11 As shown, the mechanism box 10 is included, and the top outside of the mechanism box 10 is equipped with a solid-sealed pole 20 , and the mechanism box 10 is provided with a repulsive force operating mechanism 30 and an opening and closing buffer device 40 .

[0035] The mechanism box 10 adopts an embedded angle steel bracket to enhance its rigidity, and is used to support the three-phase solid-sealed pole and suspend the three-phase repulsive force operating mechanism 30. The whole machine is simple and compact. A channel steel 11 is installed at the bottom of the mechanism box 10, and the channel steel 11 is connected to the ground by anchor bolts; the front door panel of the mechanism box 10 is equipped with indicator lights for opening and closing positions ...

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Abstract

The invention relates to a breaking-closing buffer device and a quick mechanical switch of using the same. The breaking-closing buffer device comprises a device rack, a buffer part and a buffer limiting seat, wherein the buffer limiting seat is used for being fixedly connected with a connecting rod of the quick mechanical switch; the buffer limiting seat comprises a push part matched with an impact end of the buffer part and a transmission connection part; the transmission connection part is used for being fixedly connected with the connecting rod of the mechanical switch; the transmission connection part is arranged at the outer side of the device rack and the transmission connection part and the push part are arranged at an interval along a buffer deformation direction of the buffer part; a transmission arm is connected between the transmission connection part and the push part; and the transmission arm is located at the outer side of the buffer part. The buffer device is simple in structure and convenient to process and assemble separately, a complicated guide cooperation relationship is not needed, abrasion and a guide accuracy problem are avoided and reduction of the maintenance frequency is facilitated.

Description

technical field [0001] The invention relates to an opening and closing buffer device and a fast mechanical switch using the device. Background technique [0002] As the key control and protection equipment of power system, modern switchgear can shorten the fault duration, quickly restore power supply, and significantly improve system stability and switch performance, which has significant technical and economic significance. Traditional switchgear, such as VS1 type 10kV vacuum circuit breaker, adopts spring operating mechanism, opening time ≦ 50ms, closing time ≦ 70ms. Due to the large size of the mechanical operating mechanism, complex structure, and many transmission links, the shortening of the operating time is limited. There are great limitations, and in some special application fields, it can no longer fully meet the needs of use. For example, in the field of fault current limitation, option closing field, power quality field, and quick removal of short-circuit faults...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/60
CPCH01H3/605
Inventor 朱苛娄闫广超董恩渊李志兵刘畅王新红刘宇苏计东许家源宋超王守山宋广民郭良超
Owner PINGGAO GRP
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