Small multifunctional operation mechanism

Abstract

A small multifunctional operation mechanism for a vacuum circuit breaker and a load switch resolves the problems that an existing spring operation mechanism is large in size, troublesome in part replacement, difficult to maintain and the like. The small multifunctional operation mechanism comprises a pole pillar installation frame and a mechanism body, and is characterized in that an energy-storage switch-on reed and an energy-storage switch-off reed of the mechanism body are the mechanism body are located in the same clamping plate framework, a transmission shaft crank arm fixed at an end portion of a transmission shaft is hinged to an output shaft crank arm connected with the energy-storage switch-off reed through a connecting rod, a cam shaft assembly fixed on the same energy-saving motor shaft with a sprocket is connected with the energy-storage switch-on reed, and by adjusting the auto-manual integrated energy-storage motor or a switch-on electromagnet and a switch-off electromagnet or a pre-energy-storage switch-on pawl and a pre-energy-storage switch-off pawl, the manual and electric operations can be achieved, and the conversion of switching on and off is completed. The small multifunctional operation mechanism is compact in structure, reasonable in design, high in universality of components, easy to assemble, disassemble and replace, safe and reliable to operate, favorable for small-scale modularized production, and capable of achieving the conversion of manual and electric operations, having the space combination and space division capacity and obviously prolonging the service life.

Description

technical field [0001] The invention relates to an operating mechanism unit for insulating switchgear, in particular to a small multifunctional operating mechanism suitable for a vacuum circuit breaker and a load switch in a 12-24Kv, 50Hz three-phase AC network. Background technique [0002] At present, insulated switchgear in three-phase AC power grids such as urban buildings, shopping malls, public utilities, airports, railways, transportation, coal, chemicals, steel, industrial and mining enterprises, power transmission substations and power plants, such as vacuum circuit breakers and load switches, all use operating mechanism. The existing operating mechanisms for vacuum circuit breakers and load switches are mainly spring operating mechanisms. The main problems are that they are bulky, troublesome to replace parts, and difficult to maintain. They are not suitable for use on miniaturized solid-insulated ring main units. Contents of the invention [0003] The purpose o...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a small multifunctional operating mechanism for vacuum circuit breakers and load switches, which solves the problems of large volume, troublesome parts replacement and difficult maintenance in the existing spring operating mechanism. Reasonable, common parts, easy to install, disassemble and replace, safe and reliable operation, conducive to small-scale modular production, can realize manual and electric conversion, has air combination and air separation capabilities, and significantly prolongs the service life

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