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
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R900758553PVV4-1X/098RA15DMCK01
R900758709PVV4-1X/082LJ15UMC
R900761017PVV4-1X/069RB15DMCK01
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R900761021PVV4-1X/069RB15DMCK07
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R901202228PVV4-1X/098RJ15DMCK01
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