A mechanical interlocking device for electric operation
An interlocking device and mechanical technology, applied in emergency protection devices, protective switch operation/release mechanisms, circuits, etc., can solve the problems of high parts requirements and difficult realization, and achieve low parts requirements, simple structure, and convenient assembly Effect
Active Publication Date: 2020-02-07
WUXI KAIYI SCI & TECH +1
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Problems solved by technology
[0002] In the existing control circuit, two or more switches cannot be in the closing state at the same time. At this time, an interlock device must be installed for the switches. The existing pre-storage electric operation and non-energy storage electric operation The hard connection is mostly used, and the soft connection is mostly realized by using the parts in the interlock device to be stuck. At this time, the requirements for the parts of the interlock device are relatively high, and it is difficult to realize the electric operation with a large operating force.
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[0017] The present invention will be further described below in combination with specific embodiments and accompanying drawings.
[0018] As shown in the figure: a mechanical interlocking device for electric operation, including a mounting bracket 1, a manual automatic switching device, an interlocking push plate 4 and a micro switch 7. Wherein, the mounting bracket 1 includes a front board 11 , a middle board 12 and a rear board 13 . The manual-automatic switching device is movably installed on the mounting bracket 1. The micro switch 7 is installed on the back plate 13, and the micro switch 7 is linked with the manual automatic switching device, and the back plate 13 can be provided with a positioning column and a baffle plate for facilitating the installation of the micro switch 7. In the embodiment shown in the drawings, there is a connecting side plate 14 between the left side of the front plate 11 and the middle plate 12 , which is formed into a stepped shape, and the l...
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The invention belongs to the technical field of a circuit breaker operating mechanism, and specifically relates to a mechanical interlocking device for an electric operator. The mechanical interlocking device is characterized in that a manual-automatic switching device is movably mounted on a mounting bracket; the mounting bracket comprises a front plate, a middle plate and a rear plate; the frontplate and the middle plate are provided with a connecting side plate therebetween and form a step shape; the rear plate is arranged at one side of the middle plate; an interlocking push plate is movably mounted on the middle plate, and the interlocking push plate and the connecting side plate are provided with interlocking push plate springs therebetween; the outer side of the manual-automatic switching device and / or the inner side of the interlocking push plate are / is provided with a push block for mutual pushing; and a microswitch is mounted on the rear plate, and the microswitch is in linkage with the manual-automatic switching device. The mechanical interlocking device is simple in structure, low in requirement for components, convenient to process and convenient to assemble; the electric operator can be ensured not to be damaged due to the interlocking device; the interlocking device can be ensured not to be damaged due to operations of the electric operator; and the mechanical interlocking device is high in universality and has no requirement on whether the electric operator is in a manual operating state or an automatic operating state.
Description
technical field [0001] The invention belongs to the technical field of circuit breaker operating mechanism, and in particular relates to a mechanical interlocking device for electric operation. Background technique [0002] In the existing control circuit, two or more switches cannot be in the closing state at the same time. At this time, an interlock device must be installed for the switches. The existing pre-storage electric operation and non-energy storage electric operation The hard connection is mostly used, and the soft connection is mostly realized by using the parts in the interlock device to be stuck. At this time, the requirements for the parts of the interlock device are relatively high, and it is difficult to realize the electric operation with a large operating force. . Contents of the invention [0003] The purpose of the present invention is to solve the above problems and provide a mechanical interlocking device for electric operation, which has low requir...
Claims
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IPC IPC(8): H01H71/10
CPCH01H71/1009
Inventor 占涛涛
Owner WUXI KAIYI SCI & TECH