Rexroth 力士乐 定量叶片泵 R900936294 PVV4-1X/098RA15DMC
定量叶片泵型号PVV
排量18至193；元件系列:1X；最大工作压力210bar；最大挤压容积18至193cm3
–定排量
–由于液压卸荷的轴而使轴承拥有长寿命
–由于液压卸荷的叶片而仅有很小的磨损
–工作噪音低
–由于泵芯的互换性，有利于售后服务
–好的效率
–压油口的位置可选
–驱动转向或右旋或左旋
–驱动轴可选圆柱形或花键
双联泵：
–极紧凑的结构
–压油口的位置可分开选择
PVV和PVQ泵是定排量叶片泵。在驱动轴驱动轴的齿上安装有转子，它在定子环内回转。
叶片安装在转子槽内，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。
由于PVQ泵的设计结构，使其特别适用于行走机械应用。由于配油盘的特殊结构，而能够补偿转子体的热膨胀和能够对突然的压力变化起到抵抗作用。
通过将配油盘分成柔性盘和端盖而形成反向压力腔，以平衡在挤压器中的压轴仅传递驱动转矩。
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，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。
这样就能迅速地对泵进行维护和修理。这就保证了转子和柔性盘之间的最佳间隙，因而保证泵拥有最好的容积效率。
结构；法兰安装按SAEJ744
油口；SAE法兰款式(固定螺纹:UNC)
转向；右旋或左旋
液流方向；进油口和压油口不取决于转向
安装位置；任意，手选进油口在上面
驱动；直接，同轴驱动；不能传递轴向和径向力
R900249875PVV4-1X/113RR15UVC
R900616927PVV4-1X/113RJ15UMC
R900704427PVV4-1X/098LR15DMC
R900704433PVV4-1X/113RJ15DMC
R900710468PVV4-1X/082RA15UVC
R900715998PVV4-1X/082RB15UMC
R900728943PVV4-1X/098RA15UVC
R900744476PVV4-1X/098RA15RVC
R900758553PVV4-1X/098RA15DMCK01
R900758709PVV4-1X/082LJ15UMC
R900761017PVV4-1X/069RB15DMCK01
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R900761021PVV4-1X/069RB15DMCK07
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R901078254PVV4-1X/098RJ15DMCK02
R901082163PVV4-1X/082RA15RVC
R901104702PVV4-1X/122RA15RMC
R901134663PVV4-1X/113RJ15UVC
R901202228PVV4-1X/098RJ15DMCK01
R901236531PVV4-1X/122RJ15DVC
