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Transmission device for high voltage circuit breaker

A technology for high-voltage circuit breakers and transmission devices, applied in high-voltage air circuit breakers, high-voltage/high-current switches, circuits, etc., can solve the problems of complex operating mechanism structure, small scope of application, low reliability, etc. The effect of low cost, improved service life and stability

Active Publication Date: 2016-12-07
CHINA XD ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of the existing operating mechanism is relatively complicated, the reliability is low, and the setting of the mechanism is easily restricted by the input direction and output direction of the external power, and the scope of application is small.

Method used

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  • Transmission device for high voltage circuit breaker
  • Transmission device for high voltage circuit breaker

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0023] The present invention is a transmission device for a high-voltage circuit breaker, such as figure 1 and figure 2 As shown, it includes a body shell 2, a tie rod and a crank arm arranged inside the body shell 2, and a connecting plate connecting the pull rod and the crank arm through a pivot pin; in this preferred example, as figure 1 and figure 2 As shown, the bottom of the body shell 2 is in the shape of an inverted cone, so that its side wall is inclined, and its bottom and top are respectively provided with power input holes for input, and both sides are provided with power output holes for output; the pull rod includes a first The pull rod 17, the second pull rod 8 on the right side and the second pull rod 23 on the left side, the first pull rod 17 is slidably connected with th...

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Abstract

The invention provides a transmission device for a high-voltage circuit breaker. The transmission device for the high-voltage circuit breaker is easy to assemble, reliable in performance, low in cost and capable of meeting the transmission demand of the double-break circuit breaker. The transmission device comprises a shell, power input holes formed in the upper end and the lower end of the shell respectively, power output holes formed in the side wall of the shell, and transmission units arranged in the shell. One power input hole is internally provided with a first pull rod which is in vertical sliding connection and is used for inputting power, the power output holes are internally provided with second pull rods which are in horizontal sliding connection and are used for outputting power respectively. The transmission units and the second pull rods are arranged in one-to-one correspondence, the transmission units are used for transforming the vertical movement of the first pull rod into the horizontal movement of the second pull rods. The transmission units comprise first connecting plates in hinge joint with the first pull rod, connecting levers with inflection points in hinge joint with the shell, and second connecting plates in hinge joint with the corresponding second pull rods. The two free ends of each connecting lever are in hinged joint with the free end of the corresponding first connecting plate and the free end of the corresponding second connecting plate respectively.

Description

technical field [0001] The invention belongs to the field of high-voltage electric switchgear, in particular to a transmission device for a high-voltage circuit breaker. Background technique [0002] In the current field of high-voltage circuit breakers, most of the ceramic column circuit breakers above 363KV use double-fracture products. The two fractures are connected in parallel and share one operating mechanism. A device is needed to convert the up-and-down movement of the mechanism into the horizontal movement of the interrupter. . However, the structure of the existing operating mechanism is relatively complicated, and the reliability is low, and the setting of the mechanism is easily restricted by the input direction and the output direction of the external power, and the applicable range is small. Contents of the invention [0003] Aiming at the problems existing in the prior art, the present invention provides a transmission device for a high-voltage circuit brea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/42
CPCH01H33/42
Inventor 古王荣吉利
Owner CHINA XD ELECTRIC CO LTD
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