工作原理 A：计量活塞动作行程 B ：伞形双向阀动作行程见上图，从润滑泵压送的油从主管A注入，并将伞形双向阀B向推开流入，通过通路C压送活塞室到F内。受压力油作用下计量活塞向下动作弹簧G被压缩蓄油，从而进行计量蓄油，当主管A内油压被释放〈即卸压〉，伞形阀B因压力差而动作，同时开启吐出口E，于是活室内计量蓄油通过吐出口E送入油管H而将油输送到润滑点， 信号销I当计量蓄油时突出．而供油给润滑点时缩回，从而确认分配动作完成情况。
A: metering piston action schedule B: the action trip of the umbrella type two-way valve is shown in the figure above. The oil from the lubrication pump is injected from the director A, and the umbrella-type two-way valve B is pushed open. Push the piston chamber to F through the channel C.The piston moves downward under the action of pressure oil.The spring G is compressed.Thus the measurement of oil storage.When the oil pressure is released in charge of A(the discharge pressure). The umbrella valve B moves with pressure difference. At the same time, it opens the outlet E, so the living room measures the oil storage.The oil is transported to the lubrication point by outlet E to the pipe H, and the signal pin I is prominent when measuring the oil storage. When the oil is supplied to the lubrication point, it is retracted to confirm the completion of the distribution.
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