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Bus grounding knife-switch interlocker

A technology of busbar grounding and busbar knife, which is applied in the direction of air switch components, etc., can solve the problems of mechanical locking and other problems, achieve a large safety factor, strong defense function, and eliminate accidents of busbar isolating switch and busbar grounding knife switch accidents

Inactive Publication Date: 2011-11-23
LIAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The isolating switch on the grounding side of the busbar can only achieve mechanical defense locking with the main body grounding switch, but in the double-bus connection mode, the grounding switch cannot simultaneously realize the mechanical locking of the bus isolating switch on the non-grounding knife switch side

Method used

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  • Bus grounding knife-switch interlocker
  • Bus grounding knife-switch interlocker

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0010] Such as figure 1 As shown, the busbar grounding knife interlocker of the present invention includes two cuboid locking plates 1, an oval crescent plate 2, a cylindrical adjusting bolt 3, a cylindrical tie rod 4 and a groove-shaped locking groove 5, The two locking plates 1 are respectively installed on the bases of the movable contact arms of the busbar knife gates on both sides, and the locking plates 1 are used to block the opening and closing of the knife gates. The crescent plate 2 belongs to the transmission part, one side of which is fixed on the horizontal rotation connecting rod of the grounding knife switch, the other side of the crescent plate 2 is connected with one end of the adjusting bolt 3, and the other end of the adjusting bolt 3 is connected with one end of the pull rod 4 The other end of the pull rod 4 is connected with one end of the adjusting bolt 6 , and the other end of the adjusting bolt 6 is connected with the locking groove 5 . The adjust...

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Abstract

The invention relates to a bus grounding knife-switch interlocker. The bus grounding knife-switch interlocker comprises two locking plates, a crescent plate, adjusting bolts, a pull rod and a locking groove, wherein the two locking plates are arranged on bus knife-switch movable contact arm bases at two sides respectively; two ends of the pull rod are connected with the crescent plate and the locking groove through the adjusting bolts respectively; and the other side of the crescent plate is fixed on a transverse rotating connecting rod of a grounding knife-switch. Based on the original knife-switch design, the effective mechanical locking of a double-bus grounding device in a locking state on bus isolating switches at two sides can be thoroughly realized, accidents of mistakenly switching on the bus isolating switches and the bus grounding knife-switch are eliminated, and the interlocker has a high safety coefficient and a strong defense function.

Description

technical field [0001] The invention relates to a busbar grounding knife switch interlock. Background technique [0002] The isolating switch on the grounding side of the busbar can only achieve mechanical defense locking with the main body grounding switch, but in the double-bus connection mode, the grounding switch cannot simultaneously realize the mechanical locking of the bus isolating switch on the non-grounding switch side. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a busbar grounding knife switch interlock to prevent misoperation accidents. [0004] In order to solve the problems existing in the prior art, the technical solution adopted in the present invention is: [0005] The busbar grounding knife interlocker includes two locking plates, a crescent plate, an adjusting bolt, a pull rod and a locking slot. The two locking plates are respectively installed on the bases of the moving contact arms of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/10
Inventor 张红军苏静朱海荣朱江南张浩张琳雷洪洋
Owner LIAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY
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