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Gas buffer device for high-speed repulsion mechanism

A technology of repulsion mechanism and gas buffer, which is applied in the field of closing gas buffer device and electromagnetic repulsion mechanism of circuit breaker, can solve the problem that the service life of high-speed operating mechanism is not very high, solve the problem of breaking buffer, reduce impact damage and prolong service life Effect

Active Publication Date: 2017-01-25
WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
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  • Abstract
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Problems solved by technology

Therefore, the life of the high-speed operating mechanism is generally not very high.

Method used

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  • Gas buffer device for high-speed repulsion mechanism
  • Gas buffer device for high-speed repulsion mechanism
  • Gas buffer device for high-speed repulsion mechanism

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings. The illustrations of the described embodiments are shown in the figures, the same reference numerals designating the same or similar elements or elements having the same or similar function. The embodiments described below are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0020] refer to Figure 1 to Figure 4 As shown, the present invention discloses a gas buffer device for a high-speed repulsion mechanism, comprising a support plate 10 and a cavity 8 fixedly installed on the support plate 10, an airtight ring 9 is arranged between the cavity 8 and the support plate 10, To ensure the airtightness of the cavity 8, the cavity 8 is provided with a piston 5 and a spring 6 below the piston 5 in sequence, and the piston 5 can slide up and down in the cavity 8 along the axial direction of the...

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Abstract

The invention discloses a gas buffer device for a high-speed repulsion mechanism. The gas buffer device for the high-speed repulsion mechanism comprises a support plate and a cavity fixedly arranged on the support plate, wherein a piston and a spring located under the piston are arranged in the cavity. The gas buffer device for the high-speed repulsion mechanism also comprises a mechanism moving rod penetrating through a central axis of the support plate, the cavity, the piston and the spring, wherein a striking ring is fixed onto the mechanism moving rod and is located above the piston; one end of the mechanism moving rod is connected with a moving contact of a circuit breaker; the other end of the mechanism moving rod is connected with a mechanism lock catch unit. The gas buffer device for the high-speed repulsion mechanism provided by the invention solves the buffer problem of the high-speed mechanism, the damage caused by the impact force on the mechanism during a buffer process is greatly reduced, and the service life and the operation stability of the high-speed mechanism are improved; through changing an arrangement manner, the buffer device can be used for closing buffer of the high-speed mechanism.

Description

technical field [0001] The invention relates to a gas buffer device for a high-speed repulsion mechanism, in particular to a gas buffer device which can be used for breaking and closing the electromagnetic repulsion mechanism of a circuit breaker. Background technique [0002] With the development of my country's power system, the short-circuit current level of the system has risen sharply, and the requirements for the rapidity, stability and reliability of the operation of protective electrical equipment are getting higher and higher. [0003] High-speed electromagnetic repulsion mechanism has been used more and more because of its simple structure and fast breaking speed. [0004] There are defects in the braking and buffering measures of the high-speed electromagnetic repulsion mechanism currently used. Generally, the maximum speed during the action of the repulsion mechanism can reach 5-10m / s, or even higher. At present, most of the buffering methods adopted are hard bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H3/60
Inventor 杨晨光邹顺彭振东姜楠任志刚
Owner WUHAN MARINE ELECTRIC PROPULSION RES INST CHINA SHIPBUILDING IND CORP NO 712 INST
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