特价力士乐减压阀ZDR10DA3-5X/150YM

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联系人：普斯威德主要由控制充液压力上下限的先导阀和充液主阀构成，图中的P、O、A、T分别为油泵压力油进油口、通往下游液压系统的出口、通往蓄能器出口及回油口。
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充液阀的充液过程为:当蓄能器的压力低于充液阀设定的下限压力时，作用在上限单向阀阀芯3上的液压力低于先导阀4左端弹簧8的作用力，使下限单向阀6关闭，上限单向阀3打R900401090  ZDR10DP3-5X/210YM

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R900429511  ZDR10DP2-5X/75YMV开，蓄能器内的压力油经先导阀芯4、节流通道Ⅱ进入主阀右腔，推动主阀芯9克服左腔压力向左移动，逐渐降低主阀开度，P与O口间的节流作用造成P口压力增高。
随后P口与A口间的单向阀打开，经节流口向蓄能器供液。
当蓄能器压力达到上限时，作用在先导阀右端单向阀阀芯3的液压力大于左端弹簧压力，下限单向阀6打开，上限单向阀3关闭，主阀右腔经先导阀于T口相通泄压，在左端压力作用下克服右端弹簧压力右移，P口与A口间的单向阀关闭，恢复全流量向下游系统供液，充液过程结束。
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图2.1      在驱动轴驱动轴 （1） 的齿上安装有转子 （2），它在定子环 （3） 内回转。
叶片 （4） 安装在转子槽内，转子转动时靠离心力使叶片压在定子环的内表面。
排油腔的端面由配油盘 （5） 密封。
由于定子环是双偏心结构，因此形成对称布置的两个吸油区和两个压油区，因此传动轴的径向液压力相互平衡而卸载。
轴仅传递驱动转矩。
在吸油区，叶片部分地卸荷。
这能减少磨损和获得高效率。
取下端盖 （6），可以更换泵芯 （由转子、叶片、定子环和配油盘组成），而不必从钟形罩上卸下泵体 （7）。
这样就能迅速地对泵进行维护和修理。

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