Operation and interlocking mechanism for switch
A technology for interlocking mechanism and switch operation, applied in the field of switch operation interlocking mechanism, can solve the problems of inflexible installation, large operating force, easy occurrence of sliding teeth, etc., so as to improve reliability and safety, prevent misoperation and operation low force effect
Active Publication Date: 2014-07-16
江苏华冠电器集团有限公司
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Problems solved by technology
[0005] The present invention provides a switch operation interlocking mechanism to solve problems such as large operating force, prone to sliding teeth, mechanism deformation, unreliable interlocking, inflexible installation, unclear position indication, etc., and the safe operation of the switchgear is guaranteed through this mechanism
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[0025] Such as Figure 1 to Figure 6 As shown, the switch operates the interlock mechanism, which includes a drive mechanism and an interlock indicator mechanism located in the mechanism box 1. The drive mechanism includes a rotating rod 2, a transmission rod 3, a worm 4, a worm wheel 5, and a shaft fixed on the main shaft 7. The stroke plate 8, the main shaft 7 are connected with the gate plate 6 on the grounding switch mechanism, the rotating rod 2 and the transmission rod 3 are connected through a universal joint, the transmission rod 3 and the worm 4 are connected through another universal joint, and the worm gear 5 Cooperate with the worm 4, the worm wheel 5 is provided with a push rod 5a, and the stroke plate 8 is provided with a stroke space 8a, and the push rod 5a is set in the stroke space 8a; the interlocking indicator mechanism includes an indicator rod device connected with the stroke plate 8 8b and indicator 9, indicator 9 is fixed on the end of indicator rod devi...
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The invention relates to the field of switch equipment, in particular to an operation and interlocking mechanism for a switch. The operation and interlocking mechanism comprises a driving mechanism arranged in a mechanism box body and an interlocking indication mechanism, wherein the driving mechanism comprises rotary rods, a transmission rod, a worm, a worm gear and a travel plate fixed on a main shaft; the rotary rods are connected with the transmission rod through a universal joint; the transmission rod is connected with the worm through a universal joint; the worm gear and the worm are matched; a push rod is arranged on the worm gear; a travel space is formed on the travel plate; the push rod is arranged in the travel space; the interlocking indication mechanism comprises an indication board pulling rod device connected with the travel plate and an indication board; and the indication board is fixed at the end of the indication board pulling rod device. The operation and interlocking mechanism has the advantages that operation force is small, so that the switch can be turned on or off easily; through mechanical position information indication, synchronously output signals in a grounding state can be determined; and through interlocking protective mechanisms, accurate judgment can be realized, and misoperation can be avoided, and the reliability and safety of operation and interlocking are improved.
Description
technical field [0001] The invention belongs to the field of switch equipment, in particular to a switch operation interlocking mechanism. Background technique [0002] The operation interlock mechanism of the switchgear is one of the main components of the switch, and it is also the key part that is most prone to safety accidents, such as improper operation, mechanism deformation, interlock failure, etc., which are very prone to accidents such as personal electric shock, system short circuit, or even explosion. cause widespread power outages [0003] The function of the switch operation interlock mechanism is to close and open the grounding switch in the switch cabinet, and at the same time interlock with the circuit breaker in the switch cabinet to prevent the grounding switch from being charged and the grounding circuit breaker from being powered. , so as to ensure the safety of switchgear line inspection and maintenance, and prevent personal electric shock and system sh...
Claims
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IPC IPC(8): H01H9/26
Inventor 刘俊峰翁兴锋张献高李年利
Owner 江苏华冠电器集团有限公司