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Electromechanical control device for cam operated interrupter switches - has two kinematically connected cam blocks and rotation-axial motion converter
Electromechanical control device for cam operated interrupter switches - has two kinematically connected cam blocks and rotation-axial motion converter
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机译:凸轮操作的断路器开关的机电控制装置-具有两个运动学连接的凸轮块和旋转轴向运动转换器
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摘要
The electromechanical control device has cams, which operate control switches, driven in constant rotation by an electric motor by speed reduction appts.. The cams consist of two cam blocks disposed coaxially one to the other. The first cam block is joined angularly to a shaft which is kinematically joined to the output of a first speed reducer, although able to slide axially on the shaft to occupy one of at least two axial positions. In the first position the block is at rest, in which it is not placed opposite the switches which are to be operated, and in the second active position it is placed opposite the switches. The first cam block is kinematically connected via a second speed reducer to the second cam block. A control mechanism placed frontally between the two cam blocks, transforms the rotational motion of the second cam block into an axial movement of the first cam block in order to bring it into the second axial position against the action of a spring.
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