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Transmission mechanism and three-position switch using same

A transmission mechanism and moving contact technology, applied in electric switches, high-voltage/high-current switches, high-voltage air circuit breakers, etc., can solve the problem of large operating power and achieve the effect of reducing operating power

Active Publication Date: 2016-04-20
PINGGAO GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems existing in the prior art, and provide a device that solves the large operating work required by the transmission mechanism in the prior art due to the same stroke of the isolating movable contact and the grounding movable contact. The transmission mechanism of the problem, at the same time, the object of the present invention is also to provide a kind of three-position switch using this transmission mechanism

Method used

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  • Transmission mechanism and three-position switch using same
  • Transmission mechanism and three-position switch using same
  • Transmission mechanism and three-position switch using same

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Embodiment Construction

[0018] A three-position switch such as figure 1 As shown, it includes isolating switch, grounding switch and transmission mechanism. The isolating switch includes isolating moving contact and isolating static contact. 2. The extension line of the axis of the isolation slideway 1 intersects the extension line of the axis line of the grounding slideway 2, and the driving arm 7 is hinged at the intersection point, and the driving arm 7 is respectively provided with an isolation hinge point on the end far away from the hinge point 8 and the grounding hinge point 9, the isolation hinge point 8 is hinged and fixedly connected with one end of the isolation connecting rod 5, the grounding hinge point 9 is hinged and fixedly connected with one end of the grounding connecting rod 6, and the isolation slideway 1 is guided and moved with an isolation slider 3 , the grounding slider 2 is equipped with a grounding slider 4 for guiding movement in the grounding slideway 2, the isolation mova...

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Abstract

The invention relates to a transmission mechanism and a three-position switch using the same. The three-position switch comprises a transmission mechanism, an isolating moving contact and an isolating static contact. The transmission mechanism includes an isolating slide and a grounding slide of which the axial extension lines intersect with each other. A driving crank arm is hinged to the intersection. An isolating connector and a grounding connector are hinged to the driving crank arm. An isolating slider and a grounding slider are respectively assembled in the isolating slide and the grounding slide in a guide sliding manner. The isolating moving contact and a grounding moving contact are respectively mounted on the isolating slider and the grounding slider. The isolating connector is hinged to and fixedly connected with the isolating slider. The grounding connector is hinged to and fixedly connected with the grounding slider. Compared with the prior art, the moving distance of the grounding moving contact is smaller than that of the isolating moving contact when the isolating moving contact moves to the closing position, and the moving distance of the isolating moving contact is smaller than that of the grounding moving contact when the grounding moving contact moves to the closing position, both of which reduce the operation work needed by the transmission mechanism.

Description

technical field [0001] The invention relates to a transmission mechanism of an isolating switch for high-voltage GIS products and a three-position switch using the transmission mechanism. Background technique [0002] At present, the competition in the field of high-voltage switches is becoming increasingly fierce. The combination of isolating switches and grounding switches forms a three-position switch and shares a transmission mechanism, which greatly reduces production costs. In a conventional three-position switch, the moving contact and the grounding moving contact move at the same time when the moving contact is isolated, so their movement strokes are the same, but when the moving contact is isolated, the movement of the moving contact is useless, and the moving contact is grounded. The movement of the contact increases the operating work required by the transmission mechanism. Similarly, when the grounding moving contact moves, it is useless to isolate the movement o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/42
CPCH01H33/42
Inventor 董祥渊潘自红张友鹏段晓辉杜迎乾占小猛孙英杰王文博柴影辉王赛豪
Owner PINGGAO GRP
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