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罐笼提升到竖井中段井口位置后,操作工按动电钮,电动推杆2动作,使推杆伸长。此时,连杆3在推杆推力作用下,绕其铰支点以逆时针的方向转动。滚轮4在摇臂下部相对于摇臂产生滚动,方向朝摇臂支座一侧。摇臂在自重作用下,以顺时针方向绕其支座转动,压向罐笼。电动摇台在正行程中,电动推杆自始至终没有外加载荷,只有推杆的内部阻力和铰支点的摩擦力。在逆行程时,操作工将矿车推进(或推出)罐笼后,按动推杆的反向按钮,推杆2缩回,
After the cage is raised to the wellhead middle shaft position, the operator presses the push button and the electric push rod 2 moves to extend the push rod. At this moment, the connecting rod 3 rotates in a counterclockwise direction around its hinge fulcrum under the thrust of the push rod. The roller 4 rolls on the lower part of the rocker arm relative to the rocker arm and faces the rocker arm support. Rocker arm under its own weight, clockwise rotation around its support, the pressure to the cage. During the positive stroke of the electric cradle, the electric push rod has no external load all the time, only the internal resistance of the push rod and the friction force of the hinged fulcrum. In the reverse stroke, the operator of the car pushed (or launched) cage, press the push button reverse button, push rod 2 retracted,