Energy-storage machine for spring operation machine
A technology of a manipulation mechanism and an energy storage mechanism, which is applied to the protection switch operation/release mechanism, contact drive mechanism, electrical components, etc., can solve the problems of laborious, inconvenient, and complicated manual operation, and improve stability and reliability. performance, easy operation and labor saving, simple and compact structure
Active Publication Date: 2008-08-13
JIANGSU DAQO KFINE ELECTRIC
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Problems solved by technology
Most of the existing spring operating mechanisms are relatively complex in structure and poor in stability, resulting in a large volume of the entire mechanism and low operational reliability; in addition, the structure of the manual operating mechanism is unreasonable, making manual operation laborious and inconvenient
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[0012] As shown in Figures 1 to 4, the fixed frame 1 of the mechanism is equipped with a drive shaft 2 with a cam 21, a support arm 3, and a pair of stored energy springs 4 (only one stored energy spring is shown in the figure). ); The middle part of the support arm is mounted on the fixed frame through the rotating shaft 31, the rear section of the support arm is provided with a roller 32, the roller is pressed against the working surface of the edge of the cam 21; the support arm is composed of two side plates 33, A horizontal idler shaft 5 spans between the two side plates. The two ends of the idler shaft are placed in the grooves 34 at the front ends of the two side plates; the idler 51 in the middle section of the idler shaft passes through a pallet. 6 is supported on the bottom of a pair of energy storage springs 4, and the top of the energy storage spring is fixed on the fixed frame. During the energy storage process, the drive shaft 2 drives the cam 21 to rotate. The cam p...
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The present invention belongs to a low-voltage electric power transmission and distribution equipment, and relates to a control mechanism of the low-voltage breaker. In particular the invention is an energy storing mechanism which is used for the spring control mechanism. A fixed frame of the mechanism is installed with a driving shaft with a cam, a bracket and a pair of energy-storing springs. The middle part of the bracket is installed on the fixed frame through the rotating shaft. The roller arranged at the back segment of the bracket abuts on the working surface at the edge of the cam. The bracket is composed of two side boards. A horizontal supporting roller axis is arranged between two side boards. The middle segment of the supporting roller axis is installed with a supporting roller which is supported at the base of the energy storing spring through the splint. The top of the energy storing spring is fixed on the fixed frame. The energy storing spring is arranged with a guide column which is arranged with vertical guiding groove at the lower segment. The supporting roller axis traverses the guiding groove on two guiding columns. The invention has the advantages of simple and compact structure, convenient and laborsaving operation, reliable presenting of the energy saving and driving component, and increasing the stability and reliability of the action.
Description
Technical field [0001] The invention belongs to low-voltage power transmission and distribution equipment, and relates to an operating mechanism component of a low-voltage circuit breaker, in particular an energy storage mechanism for a spring operating mechanism. Background technique [0002] The energy storage mechanism of the spring operating mechanism is one of the important components in the circuit breaker spring operating mechanism. Its function is to store the power input by the power system in the energy storage spring for quick release during the closing action. Most of the existing spring operating mechanisms have complex structures and poor stability, resulting in a large volume of the entire mechanism and low operational reliability; in addition, the structure of the manual operating mechanism is unreasonable, making manual operation laborious and inconvenient. Summary of the invention [0003] The technical problem to be solved by the present invention is to provid...
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IPC IPC(8): H01H3/42H01H5/04H01H71/10H01H71/52
Inventor 刘建军
Owner JIANGSU DAQO KFINE ELECTRIC