Spring operating mechanism closing spring residual energy absorption device and operating principle thereof

Abstract

The present invention relates to a spring operating mechanism closing spring residual energy absorption device and an operating principle thereof which are designed aiming at the technical problems that closing springs are poor in energy storage stability and is irregular in swing angle in the similar products to cause that the closing residual energy is difficult to be absorbed and the closing isdifficult to arrive at a normal position. Closing springs are arranged at the outer diameter of a closing spring seat of the device, and two ends of the closing spring seat are respectively connectedwith a fixed hanging spring shaft and an energy storage connecting lever. A guide plate and a buffer sleeve of the closing spring seat are combined through elastic cylindrical pins to form an integrated body, the closing springs at two ends of the guide plate are spaced at the spring seat, the spring seat is internally provided with a rolling sleeve and a guide roller, a spring seat at the rolling sleeve end and the guide plate are connected with the fixed hanging spring shaft, the spring seat at the guide roller end and the guide plate are connected with one end of the energy storage connecting lever, the guide plate at this end is provided with a buffer hole, the buffer sleeve is located at the guide plate close to one side of a tube sleeve, the closing springs take the other end of theenergy storage connecting lever as rotation centers to perform swing to achieve stretching.

Description

technical field [0001] The invention relates to electrical principles in the mechanical high-voltage switch industry, and relates to a closing spring residual energy absorbing device of a spring operating mechanism and its working principle. Background technique [0002] The closing spring part of the spring operating mechanism is the key part for closing the high voltage AC vacuum circuit breaker. When the energy-stored closing spring releases energy to do work, part of the energy needs to make the circuit breaker close reliably, and another part of the energy needs to make the opening spring ready for energy storage before opening, so the closing spring components are designed to Whether it is reasonable or not plays an extremely important role in satisfying the mechanical characteristic parameters of the circuit breaker. At present, the design of the closing spring parts of the spring operating mechanism at home and abroad generally adopts two structural forms of extensi...

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Problems solved by technology

[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present invention is to provide a spring operating mechanism closing spring residual energy absorbing device and its working principle in the field, so as to solve the problem of poor energy storage stability of the closing spring in existing similar products. The swing angle is irregular, which makes it difficult to absorb the residual energy of closing and open the technical problem that it is difficult to reach the normal position.

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