DZ10-2-5X/100XY   DZ10-2-5X/100XY   DZ10-2-5X/100XY

叶片泵分为双作用泵和单作用泵

双作用泵工作原理：
它由定子、转子、叶片和配油盘等组成。定子内壁近似椭圆形。叶片安装在转子径向槽内并可沿槽滑动，转子与定子同心安装。当转子转动时，叶片在离心力的作用下压向定子内表面，并随定子内表面曲线的变化而被迫在转子槽内往复滑动，相邻两叶片间的密封工作腔就发生增大和缩小的变化。叶片由小半径圆弧向大半径圆弧处滑移时，密封工作腔随之逐渐增大形成局部真空，于是油箱中油液通过配油盘上吸油腔吸入；反之将油压出。转子每转一周，叶片在槽内往复滑移2次，完成2次吸油和2次压油，并且油压所产生的径向力是平衡的，故称双作用式，也称平衡式。

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