Fast involute grounding switch with ultrahigh-voltage

A grounding switch, UHV technology, applied in the field of involute UHV fast grounding switch, can solve the problems of slow closing action, influence stability, equipment damage, etc., achieve low starting power, reduce damage, and prolong service life Effect

Inactive Publication Date: 2006-03-15
王光顺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the connecting rod is a straight rod, one end of the connecting rod hangs high in the air when the opening action is closed, and the pillar has to bear a large torque, which affects the stability of use; at the same time, due to the large mass of the connecting rod, the closing action is slow. Once charged and grounded, it is easy to arc and discharge for a long time, which will cause great damage to the equipment

Method used

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  • Fast involute grounding switch with ultrahigh-voltage
  • Fast involute grounding switch with ultrahigh-voltage
  • Fast involute grounding switch with ultrahigh-voltage

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Embodiment Construction

[0017] Such as image 3 As shown, the involute type UHV quick grounding switch of the present invention includes a gear box 1 installed on the base, the gear box 1 is connected with the power unit, and the power output shaft of the gear box 1 is fixedly installed with a connecting Rod, the top of the connecting rod has a moving contact 2. The connecting rod includes an auxiliary arm 41 and a driving arm 43 hinged on the gearbox in a parallel manner, a folding arm 42 hinged on the top of the auxiliary arm 41 and the driving arm 43 , and the transmission case 10 . The end of the driving arm 43 is fixedly connected on the power output shaft 8, and the end of the auxiliary arm 41 is hinged on the gear box; the transmission box 10 is provided with a driving gear 411, a driven gear 431 and an intermediate gear 421, and the intermediate gear 421 is connected with the driving gear simultaneously. Gear 411 meshes with driven gear 431. Meanwhile, the top of auxiliary arm 41 is fixedly ...

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Abstract

The invention is used in ultra high- voltage or extreme high -voltage power line network. A folded connecting lever is mounted on the power output shaft of gearbox. There is a moving contact on the top of the folded connecting lever.

Description

technical field [0001] The invention relates to a high-voltage grounding switch, in particular to an involute type ultra-high voltage fast grounding switch used for an ultra-high voltage or ultra-high voltage power grid. Background technique [0002] The grounding switch is a common device used in high-voltage or extra-high-voltage substations. Its working principle is to use a connecting rod on each phase line that can rotate 90 degrees vertically to connect the ends. The end of the connecting rod is grounded, and the top is a The moving contact, when the line needs to be repaired, the driving connecting rod makes the moving contact short-circuit with the fixed contact on the line, so that the line can be grounded. The connecting rod of the existing grounding switch is a fixed straight rod. When the grounding action is performed, the connecting rod is rotated to make it turn up 90 degrees to insert the moving contact into the fixed contact terminal, and then the connecting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H3/40H01H31/28
Inventor 王光顺王雪霖
Owner 王光顺
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