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Circuit breaker and its three-position operating mechanism, three-position operating mechanism opening and closing indicating device

A technology of operating mechanism and indicating device, which is applied in the direction of protective switch operation/release mechanism, emergency protection device, switchgear status indication, etc., and can solve the problems of inaccurate indication and so on

Active Publication Date: 2019-04-12
XJ ELECTRIC +2
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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 provide a three-station operating mechanism opening and closing indicating device to solve the problem of the three-station operating mechanism opening and closing indicating device of the current three-station operating mechanism when the three-station operating mechanism switches working states. In addition, the purpose of the present invention is to provide a circuit breaker and a three-position operating mechanism using the above-mentioned three-position operating mechanism opening and closing indicating device.

Method used

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  • Circuit breaker and its three-position operating mechanism, three-position operating mechanism opening and closing indicating device
  • Circuit breaker and its three-position operating mechanism, three-position operating mechanism opening and closing indicating device
  • Circuit breaker and its three-position operating mechanism, three-position operating mechanism opening and closing indicating device

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specific Embodiment 2

[0114] The specific embodiment 2 of the three-position operating mechanism of the present invention, the difference between this embodiment and the above-mentioned specific embodiment 1 is only that: the isolation indicating driving part 21 and the grounding indicating driving part 22 are two driving parts arranged coaxially and spaced forward and backward. Chainring.

specific Embodiment 3

[0115] The specific embodiment 3 of the three-position operating mechanism of the present invention, the difference between this embodiment and the above-mentioned specific embodiment 2 is that only the first, third and fourth isolation anti-rotation slides are set on the isolation indicating drive part 21 section, the isolation rotation stroke only includes the first and second isolation safety rotation stroke sections, the isolation rotation indicator rotation stroke section, and the isolation driving tooth segment 211 of the isolation indicator driving part 21 is always in mesh with the isolation transmission gear in the isolation rotation indicator rotation stroke , to isolate the indicator label from continuous rotation. Similarly, only the first, third, and fourth anti-rotation sliding sections are provided on the touchdown indicator drive part 22, and the groundstroke rotation stroke only includes the first and second groundpoint safety rotation stroke sections, and the ...

specific Embodiment 4

[0116] The specific embodiment 4 of the three-station operating mechanism of the present invention, the difference between this embodiment and the above-mentioned specific embodiment 2 is that the above-mentioned isolation transmission gear is not provided with a half gear segment, that is, the isolation transmission gear is a full-tooth gear, and the isolation indication The major diameter of the isolated driving gear segment of the driving part 21 is larger than the diameter of the first isolated anti-rotation sliding segment.

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Abstract

The present invention relates to the high-voltage electrical apparatus switching device field, especially to a breaker and a three-position operating mechanism thereof, and a three-position operating mechanism division and combination indication device. The three-position operating mechanism division and combination indication device comprises ground and isolation rotation indication pieces and a driving tooth disk device including isolation and ground indication driving parts; the isolation indication driving part can drive the rotation of the isolation rotation indication piece, and the ground indication driving part can drive the rotation of the ground rotation indication piece; the periphery of the isolation indication driving part is provided with an isolation driving tooth section and a first isolation spliing sliding section, and the periphery of the ground indication driving part is provided with a ground driving tooth section and a first ground spliing sliding section; and the rotation of the isolation rotation indication piece and the ground rotation indication piece are independently driven by the isolation indication driving part and the ground indication driving part, and the indication states of the isolation rotation indication piece and the ground rotation indication piece are not affected by each other. Therefore, the problem is solved that the current indication device cannot perform accurate indication in the process of switching the tool state through the three-position operating mechanism.

Description

technical field [0001] The invention relates to the field of high-voltage electrical switchgear, in particular to a circuit breaker and its three-station operating mechanism, and an indication device for opening and closing of the three-station operating mechanism. Background technique [0002] At present, the operation of the new high-voltage three-position operating mechanism is relatively slow, and the isolation opening and closing indication is linked with the grounding opening and closing indication. When the operating mechanism performs the grounding opening and closing operation, both the grounding indication and the isolation indication label will move. , which makes it impossible to judge whether the switching process is an isolation operation or a grounding operation during the switching process of the grounding or isolated opening and closing state of the three-station operating mechanism, and it is impossible to judge the state of the three-station operating mecha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/10H01H71/04
CPCH01H71/04H01H71/10H01H2071/042
Inventor 穆贝贝方春阳吴海航袁平定王杨阳张艳婷李晓虎胡炳群唐学芳李帅男宋利卡
Owner XJ ELECTRIC
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