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Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear

A closed switchgear, gas-insulated metal technology, used in air switch parts, contact drive mechanisms, power devices inside switches, etc. Small, full-featured effects

Active Publication Date: 2011-06-08
CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an operating mechanism for a three-position isolating switch of a gas-insulated metal-enclosed switchgear to solve the problems of complicated interlocking and difficult electric operation existing in the existing operating mechanism for a three-position switch

Method used

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  • Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear
  • Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear
  • Operating mechanism for tri-station isolating switch of gas insulated metal sealing switchgear

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Embodiment

[0014] The present invention includes a mechanism frame 1, a housing 3, a column 2, a motor 22, a transmission system, a state indicating mechanism, and an interlock mechanism. The housing 3 is connected to the mechanism frame 1 through the column 2. The transmission system includes a spline sleeve 21, a spline Axle 19, worm screw 17, worm gear 4, positioning sleeve 18, on the spline shaft 19, positioning sleeve 18, worm gear 4 and crank arm 5 are installed by common flat key-7, and worm gear, positioning sleeve, crank arm share a common flat key-7 , The motor 22 is connected with the worm 17 through the spline sleeve 21, and the worm 17 is meshed with the worm wheel 4. The motor 22 is installed on the mechanism frame 1 through the bent plate 20 .

[0015] The interlock mechanism includes a mounting plate 11, a micro switch 12, a travel switch 14, a limit sleeve 6, a positioning detent 16, and an electromagnet 25. The mounting plate 11 is connected with the mechanism frame 1 t...

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Abstract

The invention discloses an operating mechanism used in a three-station isolating switch of a gas-insulated and metal-enclosed switchgear in order to solve the problems existing in the operating mechanism of the existing three-working-position switch that the interlocking is complicated and the electric operation is difficult to realize. The operating mechanism comprises a mechanism frame, a shell, a vertical column, a motor, a transmission system, a state instruction mechanism and an interlocking mechanism; the shell is connected with the mechanism frame by the vertical column; the transmission system comprises a spline housing, a spline shaft, a worm, a worm wheel and a positioning sleeve; the positioning sleeve, the worm wheel and a crank are arranged on the spline shaft by an ordinary flat key; the motor is connected with the worm by the spline housing; and the worm is meshed with the worm wheel. The operating mechanism has simple and compact structure, few parts, full functions, high reliability, low cost, small size, small operation force, light weight, convenient maintenance, and trim and centralized distribution of operating buttons and state instructions; furthermore, the mechanism is an independent functional unit.

Description

technical field [0001] The invention relates to an operating mechanism for a three-position isolating switch of gas-insulated high-voltage switchgear. Background technique [0002] The operating mechanism for the three-position switch of the gas-insulated high-voltage switchgear in the prior art is two sets of mechanisms, that is, the isolating switch and the grounding switch use one mechanism respectively, and the mandatory interlocking between the two mechanisms cannot be realized, and the reliability is low. At the same time, most of them adopt rack and pinion mechanism as the main transmission, which has large volume, complex structure, large operating force, and difficult realization of electric operation, which makes the reliability low. Contents of the invention [0003] The object of the present invention is to provide an operating mechanism for a three-position isolating switch of a gas-insulated metal-enclosed switchgear to solve the problems of complicated inter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H31/02H01H31/04H01H3/26H01H3/40
Inventor 冯四喜王军任宏玢武小平
Owner CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD
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