利用电磁电路设计的抱闸装置，解决了回转臂系统刹车后，滑动小于某一小角度这一技术难题。

The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.

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在同步机构(35)中，直线移动部件(47)在移载臂(23)的移动方向上被滑动自如地支承。

In the synchronous mechanism (35), a rectilinear movement part (47) is supported in the moving direction of the weight-shifting arm (23) in a free sliding way.

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该弹簧臂与所述滑动表面之间的接合产生了开启所述阀的上举力。

Engagement between the spring arms and the sliding surface creates a lifting force which opens the valve.

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