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Balance mechanism used for anti-impact vibration of electromagnetic trip

A technology of electromagnetic release and balance mechanism, which is applied in the direction of protection switch operation/release mechanism, etc., which can solve the problems of resistance to shock and vibration, increasing the holding force of release spring or mechanism, increasing the volume of operating mechanism, and treating the symptoms but not the root cause. , to achieve the effect of avoiding limitations, small space occupied by the mechanism, and easy manufacture

Inactive Publication Date: 2015-05-20
WUXI KAIXUAN MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional way to achieve shock and vibration resistance is to increase the holding force of the release spring or mechanism, which is often a palliative, not a permanent solution. At the same time, the volume of the operating mechanism needs to be increased, and the reliability is poor

Method used

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  • Balance mechanism used for anti-impact vibration of electromagnetic trip
  • Balance mechanism used for anti-impact vibration of electromagnetic trip

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] The present invention will be further described below in conjunction with specific drawings.

[0011] Such as figure 1 , figure 2 As shown: the shock-resistant and vibration-resistant balance mechanism for the electromagnetic tripper includes an electromagnet spring 1, an electromagnet assembly 2, an electromagnetic trip assembly 3, a trip push rod 4, an installation shaft 4-1, and a push pendulum 5 , Push block surface 5-1, pressure plate 6, balance plate 7, first connecting column 7-1, second connecting column 7-2, spring 8, support 9 etc.

[0012] Such as figure 1 As shown, the balance mechanism of the present invention is installed on the bracket 9 on one side of the electromagnetic trip assembly 3, including the push pendulum 5, the pressure plate 6, the balance plate 7 and the spring 8, and the first connecting column 7- 1. Fix the second connecting column 7-2 on the bracket 9 directly above the first connecting column 7-1, and connect the spring 8 between the...

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PUM

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Abstract

The invention relates to a balance mechanism used for anti-impact vibration of an electromagnetic trip. The balance mechanism is installed on a support on one side of an electromagnetic trip assembly, comprises a pushing pendulum, a press plate, a balance plate and a spring and is characterized in that a first connection column is fixed on the balance plate, a second connection column is fixed on a support above the first connection column, and a spring is connected between the first connection column and the second connection column. The press plate is installed under the balance plate and is connected onto the support in rotating mode. The pushing pendulum is installed at the shaft end of the installation shaft of a trip push rod, a pushing baffling face is arranged on the pushing pendulum, and the pushing baffling face is contacted with the press plate. The mechanism is simple in structure and reliable in performance and improves anti-impact vibration performance of the mechanism.

Description

technical field [0001] The invention relates to a balance mechanism, in particular to a shock and vibration-resistant balance mechanism for an electromagnetic release. Background technique [0002] With the development of the electric power industry, the operating mechanism of molded case circuit breakers has gradually become the mainstream of current development, and the design is developing in the direction of miniaturization and intelligence. The molded case circuit breaker is a plastic case in which the contacts, arc extinguishing chamber, release and operating mechanism are all installed, and it is suitable for the protection switch of the branch circuit. Such as figure 1 As shown, the existing tripper usually adopts an electromagnetic tripper, including an electromagnet spring 1 installed in a bracket 1, an electromagnet assembly 2, an electromagnetic tripping assembly 3 and a trip push rod 4, and the electromagnet assembly 2 is energized , the electromagnetic trippi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/24
Inventor 王兰
Owner WUXI KAIXUAN MOTOR
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