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Extension spring type breaker operating mechanism

A technology of operating mechanism and circuit breaker, applied in the direction of protection switch operation/release mechanism, etc., can solve the problems of complex process, high cost, and difficult to guarantee product reliability, so as to reduce process difficulty, strengthen product reliability, and reduce production cost Effect

Inactive Publication Date: 2017-01-04
JIANGSU LUOKAI MECHANICAL & ELECTRICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: in order to solve the problems in the prior art that the interface on the operating shaft of the circuit breaker operating mechanism requires special equipment processing, complex process, high cost, and difficult to guarantee product reliability, the invention provides a Spring type circuit breaker operating mechanism to solve the above problems

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  • Extension spring type breaker operating mechanism
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Embodiment Construction

[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

[0016] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential", etc. The indicated orientation or positional relationship is based ...

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Abstract

The invention provides an extension spring type breaker operating mechanism. The extension spring type breaker operating mechanism comprises a rack, fixed shafts, extension springs, pins, connecting rods, levers, and operation shafts, one end of the connecting rod is fixedly connected with the lever, the other end of the connecting rod is hinged to the operation shaft, the operation shaft is provided with at least one pulling piece for driving the lever to rotate around the axis of the operation shaft during rotation, the fixed shaft is vertically fixed on a substrate of the rack, one end of the extension spring is fixedly connected with the fixed shaft, the other end of the extension sprig is hinged to the lever, an end part of the operation shaft is provided with an operation hole, a hole wall of the operation hole is provided with two opposite through holes in the radial direction, and the pin penetrates through the two through holes. According to the extension spring type breaker operating mechanism, an original tooth-shaped structure of an operation interface is changed, an interface formed by the operation hole and the pin cooperates with an operation handle, the technical difficulty and the production cost are reduced, and the product reliability is improved.

Description

technical field [0001] The invention relates to the technical field of circuit breakers, in particular to an operating mechanism of a tension spring type circuit breaker. Background technique [0002] When the operating mechanism of the medium voltage ring main unit of the universal circuit breaker controls the closing and opening of the electric load switch, it releases the energy by operating the handle to compress or stretch the spring, but the original tooth-shaped interface requires special equipment for processing, which is difficult to process And the manufacturing process is complicated, the cost is high, and the product reliability is not easy to guarantee. Contents of the invention [0003] The technical problem to be solved by the present invention is: in order to solve the problems in the prior art that the interface on the operating shaft of the circuit breaker operating mechanism requires special equipment processing, complex process, high cost, and difficult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10
CPCH01H71/10
Inventor 俞满春
Owner JIANGSU LUOKAI MECHANICAL & ELECTRICAL
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