REXROTH叶片泵  力士乐叶片泵  力士乐油泵  REXROTH油泵  力士乐液压泵  REXROTH叶片泵PV7-1A/10-14RE01MC0-16

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单作用叶片泵
单作用叶片泵的定义:叶片在离力和压力油的作用下，尖部紧贴在定子内表面上。通过改变两个叶片与转子和定子内表面所构成的工作容积大小变化，完成吸油排油过程，且叶片旋转一周，完成一次吸油与排油的叶片泵。
特点: 
1.泵每转一转，每个密封腔吸油压油一次
2.转子上受液压不平衡力，为非平衡式泵
3.改变偏心距大小，可改变排量，为变量泵

单作用叶片泵的工作原理
泵由转子1、定子2、叶片3、配油盘和端盖等部件所组成。定子的内表面是圆柱形孔。转子和定子之间存在着偏心。叶片在转子的槽内可灵活滑动，在转子转动时的离心力以及通入叶片根部压力油的作用下，叶片顶部贴紧在定子内表面上，于是两相邻叶片、配油盘、定子和转子间便形成了一个个密封的工作腔。
当转子按逆时针方向旋转时，右侧的叶片向外伸出，密封工作腔容积逐渐增大，产生真空，于是通过吸油口和配油盘上窗口将油吸入。而在图的左侧。叶片往里缩进，密封腔的容积逐渐缩小，密封腔中的油液经配油盘另一窗口和压油口1被压出而输出到系统中去。

工作过程分析
单作用叶片泵的定子具有圆柱形内表面，定子和转子间有偏心距。若有Z个叶片，则定子圆周被分成Z部分。这里用r表示转子外圆半径，用R表示定子内表面半径。在垂直于转子轴的平面内，s1表示密封工作空间的小值(即叶片滑出的距离短)，它在半径方向的尺寸为[(R-e)-r]; S2表示密封工作空间的大值(即叶片滑出的距离长)，它在半径方向的尺寸为[(R+e)-r]。

利用等效法推导计算公式
从单作用叶片泵的工作过程可以看出，在离心力的作用下，叶片的顶端一直与定子内壁接触，由于定子内表面半径为R，则其周长为2πR，而叶片的行程为2e,故在转子转动一周的过程中，任意相邻的两个叶片所围成的工作腔，在半径方向上的变化幅度都等于2e.在计算单作用叶片泵的排量时，可将其工作过程等效视为:叶片的顶端先集中在长度为2πR 直线段上，然后同时沿着定子圆周的法线方向移动2e的距离。则密封容积几何尺寸的变化量可以等效长方体体积。

双作用吐泵
基本介绍:转子转-圈，每个密封容积变化两个循环，所以密封容积每圈内完成吸油、压油各两次，故称为双作用泵。相比于单作用泵，是变量泵，双作用泵是定量泵。又因泵的两个吸油窗口与两个压油窗口是径向对称的，作用于转子上的液压力是平衡的，以又称为平衡式叶片泵
优点:
①双作用使排量增加一倍，流量也相应增加。
②吸压、油口对称于旋转中心配置，旋转轴上受到的液压力是平衡的，
③轴和轴承上无径向载荷，有利于提高泵的工作压力。

结构
双作用式叶片泵是由定子、转子、叶片、配流盘和泵体组成，转子与定子同心安装，定子的内曲线是由两段长半径圆弧、两段短半径圆弧和四段过度曲线所组成，共有八段曲线。

工作原理
转子做顺时针旋转，叶片在离心力作用下径向伸出，其顶部在定子内曲线上滑动。此时，由两叶片、转子外圆、定子内曲线及两侧配有盘所组成的密闭的工作腔的容积在不断地变化，在经过右下角以及左上角的配油窗口处时，叶片伸出，工作腔容积增加，形成真空，油液通过吸油窗吸入;在经过右_上角及左下角的配油窗口处时，叶片回缩，工作腔容积变小，压强增大，液压缸油液通过液压窗口输出。

REXROTH叶片泵PV7-1A/10-14RE01MC0-16

德国力士乐REXROTH叶片泵订货号物料号和型号：

R900580381 PV7-1A/10-14RE01MC0-16
R987046360 PV7-1A/10-14RE01MC0-16LIM.15LT1450G.
R987047421 PV7-1A/10-14RE01MC0-16LIM.16LT/MIN
R987065905 PV7-1A/10-14RE01MC0-16+ZFS11/22,5R213
R987072161 PV7-1A/10-14RE01MC0-16+ZFS11/8R213
R900533851 PV7-1A/10-14RE01MC0-16-A184
R901358374 PV7-1A/10-14RE01MC0-16-P100
R901382678 PV7-1A/10-14RE01MC0-16-P125Q8
R901171150 PV7-1A/10-14RE01MC0-16-P140Q10
R900941071 PV7-1A/10-14RE01MC0-16-P45
R900941073 PV7-1A/10-14RE01MC0-16-P60Q15
R901442350 PV7-1A/10-14RE01MC0-16-P60Q20
R901414295 PV7-1A/10-14RE01MC0-16-P80Q20
R901344755 PV7-1A/10-14RE01MC0-16-P90
R900598753 PV7-1A/10-14RE01MC3-16
R900520401 PV7-1A/10-14RE01MC5-16
R901394361 PV7-1A/10-14RE01MC5-16WG
R900933324 PV7-1A/10-14RE01MC5-16WH
R901010430 PV7-1A/10-14RE01MC6-16
R900509053 PV7-1A/10-14RE01MC7-16
R900504653 PV7-1A/10-14RE01MD0-16
R900548512 PV7-1A/10-14RE01MD0-16-A234
R901404893 PV7-1A/10-14RE01MD0-16-Q15
R900520725 PV7-1A/10-14RE01MD3-16
R900520787 PV7-1A/10-14RE01MD5-16
R900537419 PV7-1A/10-14RE01MN0-16
R900772792 PV7-1A/10-14RE01MW0-16
R901136642 PV7-1A/10-14RE01MW0-16WG
R900741002 PV7-1A/10-14RE01MW0-16WH
R900534143 PV7-1A/10-20RE01MC0-10
R987179771 PV7-1A/10-20RE01MC0-10HAMERSLAGGRIJS
R901292147 PV7-1A/10-20RE01MC0-10-A497
R901388556 PV7-1A/10-20RE01MC0-10-P30Q25
R900941072 PV7-1A/10-20RE01MC0-10-P45
R901404630 PV7-1A/10-20RE01MC0-10-P70Q28
R987067707 PV7-1A/10-20RE01MC010+1PF2G2-4X/08RR20MR
R987074006 PV7-1A/10-20RE01MC010+AZPF-11-008RRR20MB
R987136850 PV7-1A/10-20RE01MC010+R4/1,00-450WG01M01
R900538125 PV7-1A/10-20RE01MC3-10
R901303349 PV7-1A/10-20RE01MC3-10-A497
R900539710 PV7-1A/10-20RE01MC5-10
R900738663 PV7-1A/10-20RE01MC5-10WG
R900247239 PV7-1A/10-20RE01MC5-10WH
R900908540 PV7-1A/10-20RE01MC7-10
R900931507 PV7-1A/10-20RE01MC7-10WH
R900906584 PV7-1A/10-20RE01MD0-10
R900782498 PV7-1A/10-20RE01MD0-10-A234
R900700454 PV7-1A/10-20RE01MD5-10
R901043560 PV7-1A/10-20RE01MW0-10WH
R987067102 PV7-1A/100-118RE07MC0+ PV7-63-71RE07MC0
R987068626 PV7-1A/100-118RE07MC0+ PV7-63-71RE07MC0
R900506809 PV7-1A/100-118RE07MC0-16
R987074658 PV7-1A/100-118RE07MC0-16LIM83CC.
R987062892 PV7-1A/100-118RE07MC0-16LIM.80CC.
R987072990 PV7-1A/100-118RE07MC0-16+16-20RE01MC0-16
R987066407 PV7-1A/100-118RE07MC0-16+20-25RA01MA0-05
R987070001 PV7-1A/100-118RE07MC0-16+25-30RE01MC0-16
R901432834 PV7-1A/100-118RE07MC0-16-P110
R901396331 PV7-1A/100-118RE07MC0-16-P120
R901404632 PV7-1A/100-118RE07MC0-16-P65Q160
R900511215 PV7-1A/100-118RE07MC3-16
R900516546 PV7-1A/100-118RE07MC5-16
R900950061 PV7-1A/100-118RE07MC5-16WG
R900556803 PV7-1A/100-118RE07MC5-16WH
R901183579 PV7-1A/100-118RE07MC5-16WH-P125Q116
R900961521 PV7-1A/100-118RE07MC6-16
R987066964 PV7-1A/100-118RE07MC6-16+100-118RE07MC6*
R900533637 PV7-1A/100-118RE07MC7-16
R901348138 PV7-1A/100-118RE07MC7-16WG
R900752351 PV7-1A/100-118RE07MC7-16WH
R987065682 PV7-1A/100-118RE07MCO+V5-1X-193/RJ15DMC
R900532770 PV7-1A/100-118RE07MD0-16
R900950419 PV7-1A/100-118RE07MD0-16-A234
R900771631 PV7-1A/100-118RE07MD0-16-A427
R901398834 PV7-1A/100-118RE07MD0-16-A517
R901400470 PV7-1A/100-118RE07MD0-16-P30Q165-A517
R901404706 PV7-1A/100-118RE07MD0-16-Q120
R987066526 PV7-1A/100-118RE07MD016+V1-1X/036RJ15UMB
R901101367 PV7-1A/100-118RE07MD3-16
R900949187 PV7-1A/100-118RE07MD6-16
R900928704 PV7-1A/100-118RE07MN0-16
R900519411 PV7-1A/100-118RE07MN5-16
R901061279 PV7-1A/100-118RE07MW0-16WG
R901429723 PV7-1A/100-118RE07MW0-16WG-P30P100Q120
R900740824 PV7-1A/100-118RE07MW0-16WH
R901404633 PV7-1A/100-118RE07MW0-16WH-P20P70Q160
R901413656 PV7-1A/100-118RE07MW5-16WG-P20P80Q170
R901129340 PV7-1A/100-118RE07MW6-16WH
R900561846 PV7-1A/100-150RE07MC0-08
R900973548 PV7-1A/100-150RE07MC0-08-A184
R901047738 PV7-1A/100-150RE07MC0-08-A446
R901173632 PV7-1A/100-150RE07MC0-08-A464
R901384145 PV7-1A/100-150RE07MC0-08-C3.1
R901392573 PV7-1A/100-150RE07MC0-08-P35
R900961350 PV7-1A/100-150RE07MC3-08
R900560629 PV7-1A/100-150RE07MC5-08
R900761807 PV7-1A/100-150RE07MC5-08WG
R900948299 PV7-1A/100-150RE07MC5-08WH
R900577850 PV7-1A/100-150RE07MC7-08
R901366181 PV7-1A/100-150RE07MC7-08WH
R900915470 PV7-1A/100-150RE07MD0-08
R901439483 PV7-1A/100-150RE07MD0-08-A184
R900910479 PV7-1A/100-150RE07MD5-08
R900781572 PV7-1A/100-150RE07MN0-08
R901059507 PV7-1A/100-150RE07MW0-08WH
R900580382 PV7-1A/16-20RE01MC0-16
R987065773 PV7-1A/16-20RE01MC0-16LIM17CC
R987066114 PV7-1A/16-20RE01MC0-16LIM20CC
R900517795 PV7-1A/16-20RE01MC0-16-A184
R901370386 PV7-1A/16-20RE01MC0-16-C3.1
R901412083 PV7-1A/16-20RE01MC0-16-P100
R901406649 PV7-1A/16-20RE01MC0-16-P110
R901417552 PV7-1A/16-20RE01MC0-16-P120
R901405871 PV7-1A/16-20RE01MC0-16-P52
R901339145 PV7-1A/16-20RE01MC0-16-P70Q20
R987119852 PV7-1A/16-20RE01MC016+ PV7-16-20RE01MC016
R987074165 PV7-1A/16-20RE01MC016+PVV1-1X/018RJ15DMB
R987066162 PV7-1A/16-20RE01MC016+V7/10-14RE01MC016
R987046365 PV7-1A/16-20RE01MC016+V7/16-20RE01MC16
R900592237 PV7-1A/16-20RE01MC3-16
R900616890 PV7-1A/16-20RE01MC3-16-A184
R901391674 PV7-1A/16-20RE01MC3-16-C3.1
R901429722 PV7-1A/16-20RE01MC3-16-P50Q25
R900506473 PV7-1A/16-20RE01MC5-16
R900934651 PV7-1A/16-20RE01MC5-16WG
R900926429 PV7-1A/16-20RE01MC5-16WH
R900748912 PV7-1A/16-20RE01MC6-16
R900534412 PV7-1A/16-20RE01MC7-16
R901163663 PV7-1A/16-20RE01MC7-16WH
R901161166 PV7-1A/16-20RE01MC8-16
R900509274 PV7-1A/16-20RE01MD0-16
R987179769 PV7-1A/16-20RE01MD0-16HAMERSLAGGRIJS
R900573212 PV7-1A/16-20RE01MD0-16-A234
R901284711 PV7-1A/16-20RE01MD0-16-Q25
R900511987 PV7-1A/16-20RE01MD3-16
R901134661 PV7-1A/16-20RE01MD6-16
R987196702 PV7-1A/16-20RE01MD6-16
R900939159 PV7-1A/16-20RE01MN0-16
R900733270 PV7-1A/16-20RE01MW0-16
R900721670 PV7-1A/16-20RE01MW0-16WG
R900722117 PV7-1A/16-20RE01MW0-16WH
R900533582 PV7-1A/16-30RE01MC0-08
R900757582 PV7-1A/16-30RE01MC0-08-A184
R901320920 PV7-1A/16-30RE01MC0-08-A474
R987127040 PV7-1A/16-30RE01MC008+PGH2-2X/008RR07VU2
R900533296 PV7-1A/16-30RE01MC3-08
R900930106 PV7-1A/16-30RE01MC5-08
R900967123 PV7-1A/16-30RE01MC5-08WG
R900245924 PV7-1A/16-30RE01MC5-08WH
R901023894 PV7-1A/16-30RE01MC7-08
R900560658 PV7-1A/16-30RE01MD0-08
R901226880 PV7-1A/16-30RE01MN0-08
R901231523 PV7-1A/16-30RE01MW0-08WH
R900580383 PV7-1A/25-30RE01MC0-16
R987064563 PV7-1A/25-30RE01MC0-16LIM.28CC
R987066596 PV7-1A/25-30RE01MC0-16PMAX=60BAR
R987255802 PV7-1A/25-30RE01MC0-16+ PV7-1A/10-14RE**
R987070149 PV7-1A/25-30RE01MC0-16+V7-1X/16-20RE01**
R900523267 PV7-1A/25-30RE01MC0-16-A184
R900965089 PV7-1A/25-30RE01MC0-16-A234
R901381715 PV7-1A/25-30RE01MC0-16-P100Q36
R987066541 PV7-1A/25-30RE01MC016+1PF2G2-4X/08RR20MR
R987306462 PV7-1A/25-30RE01MC016+AZPF10-008RRR20MB
R900586235 PV7-1A/25-30RE01MC3-16
R900517464 PV7-1A/25-30RE01MC5-16
R900919510 PV7-1A/25-30RE01MC5-16WG
R900933323 PV7-1A/25-30RE01MC5-16WH
R901086789 PV7-1A/25-30RE01MC5-16WH-A234
R901375575 PV7-1A/25-30RE01MC6-16
R900941543 PV7-1A/25-30RE01MC7-16
R987410063 PV7-1A/25-30RE01MCO16+PVV21X068RJ15DMB
R900509506 PV7-1A/25-30RE01MD0-16
R987065930 PV7-1A/25-30RE01MD0-16+ PV7/25-30RE01MD0
R900920739 PV7-1A/25-30RE01MD0-16-A234
R901382863 PV7-1A/25-30RE01MD5-16WH
R901022287 PV7-1A/25-30RE01MN0-16
R900768658 PV7-1A/25-30RE01MW0-16
R900744495 PV7-1A/25-30RE01MW0-16WH
R900705426 PV7-1A/25-30RE01MW5-16WH
R900534508 PV7-1A/25-45RE01MC0-08
R901411159 PV7-1A/25-45RE01MC0-08-P25Q50
R987277980 PV7-1A/25-45RE01MC008+AZPF10-005RRR20MB
R987070684 PV7-1A/25-45RE01MC008+HY/ZFS11/4R213
R900538525 PV7-1A/25-45RE01MC3-08
R900535532 PV7-1A/25-45RE01MC5-08
R900576487 PV7-1A/25-45RE01MC5-08WH
R900551273 PV7-1A/25-45RE01MC7-08
R900751356 PV7-1A/25-45RE01MC7-08WG
R900568833 PV7-1A/25-45RE01MD0-08
R900782808 PV7-1A/25-45RE01MD0-08-A234
R900976176 PV7-1A/25-45RE01MN0-08
R900780016 PV7-1A/25-45RE01MW0-08WH
R900580384 PV7-1A/40-45RE37MC0-16
R987063936 PV7-1A/40-45RE37MC0-16LIM.32CC
R987065973 PV7-1A/40-45RE37MC0-16LIM.35CC
R987216583 PV7-1A/40-45RE37MC0-16LIM.37,5CC.
R987063461 PV7-1A/40-45RE37MC0-16LIM.38CC.(55LT.)
R978026029 PV7-1A/40-45RE37MC0-16SO43A-1821
R900970451 PV7-1A/40-45RE37MC0-16-A234
R900946174 PV7-1A/40-45RE37MC0-16-A276
R901047776 PV7-1A/40-45RE37MC0-16-A446
R901387535 PV7-1A/40-45RE37MC0-16-P80
R901381716 PV7-1A/40-45RE37MC0-16-P90
R987117272 PV7-1A/40-45RE37MC016+AZPF10-005RRR20MC*
R987126029 PV7-1A/40-45RE37MC016+PGH2-2X/008RE07VU2
R900590087 PV7-1A/40-45RE37MC3-16
R900935443 PV7-1A/40-45RE37MC3-16-A184
R900971765 PV7-1A/40-45RE37MC3-16-A276
R900502277 PV7-1A/40-45RE37MC5-16
R900910016 PV7-1A/40-45RE37MC5-16WG
R900553588 PV7-1A/40-45RE37MC5-16WH
R900954137 PV7-1A/40-45RE37MC6-16
R900959317 PV7-1A/40-45RE37MC7-16
R901032005 PV7-1A/40-45RE37MC7-16WG
R900705176 PV7-1A/40-45RE37MC7-16WH
R901161161 PV7-1A/40-45RE37MC8-16
R987065006 PV7-1A/40-45RE37MCO-16+VV1/36RJ15DMBA261
R987273006 PV7-1A/40-45RE37MCO16+A10VO45DFLR/31R-**
R987281907 PV7-1A/40-45RE37MCO16+A10VO45DFR/31R-**
R987063382 PV7-1A/40-45RE37MCO16+ PV7-40-45RE37MCO16
R900593330 PV7-1A/40-45RE37MD0-16
R900922602 PV7-1A/40-45RE37MD0-16-A234
R901438282 PV7-1A/40-45RE37MD0-16-P50Q36
R901464844 PV7-1A/40-45RE37MD0-16-P50Q39
R901160732 PV7-1A/40-45RE37MD3-16
R900533919 PV7-1A/40-45RE37MN0-16
R900979440 PV7-1A/40-45RE37MW0-16
R901055473 PV7-1A/40-45RE37MW0-16WG
R900700384 PV7-1A/40-45RE37MW0-16WH
R900740820 PV7-1A/40-45RE37MW0-16WH-A234
R901254170 PV7-1A/40-45RE37MW5-16WG
R901244836 PV7-1A/40-45RE37MW5-16WH
R901221506 PV7-1A/40-45RE37MW6-16WH
R901064326 PV7-1A/40-55RE37MC0-08-A449
R901116904 PV7-1A/40-55RE37MC3-08-A449
R900535588 PV7-1A/40-71RE37MC0-08
R987340616 PV7-1A/40-71RE37MC0-08LIM.51CC./70BAR
R987127975 PV7-1A/40-71RE37MC0-08+PGH2-2X/008RR07VU
R987124737 PV7-1A/40-71RE37MC0-08+PGH2-2X/08RR07VU2
R900776736 PV7-1A/40-71RE37MC0-08-A184
R901320923 PV7-1A/40-71RE37MC0-08-A474
R987124720 PV7-1A/40-71RE37MC008+PGH2-2X/006RR07VU2
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双作用叶片泵的困油现象
当相邻两叶片同时位于吸排口之间时，正好将吸排口隔开，这时就形成封油区，就可能出现困油问题。(旋转时两叶片间容量不变，虽不会发生困油，但从吸过渡到排，会产生压力冲击;叶片包角太小，产生困油，包角太大，吸排窗口沟通，工作失常。)解决方法配流盘的压油窗口的一端开三角卸荷槽(减少过渡的压力冲击、脉动、噪声;消除困油)。

性能特点
叶片泵压力脉动小，因磨损而产生的工作压力下降车小运转平稳、噪音较小，结构紧凑，起动转矩小。但吸人条件较差，运动部件的工作可靠性较低。
1.流量较均匀，运转平稳，噪声较低。
2.双作用叶片泵转子所受径向力是平衡的，轴承寿命长;它的内部密封性也较好，容积效率较高;因此，一般额定排出压力较高，可达7MPa左右。
3.结构紧凑，尺寸较小而流量较大。
4.对工作条件要求较严。叶片抗冲击较差，较容易卡住，对油液的清洁程度和粘度都比较敏感。端面间隙或叶槽间隙不合适都会影响正常工作。转速一-般在500~2000r /道范围内，太低则叶片可能因离心力不够而不能压紧在定了表面，而太高则吸人时会产生“气穴现象”；
5.结构较复杂，零件制造精度要求较高。

内反馈限压式变量明片贷
原理:利用泵本身输出油对定子产生不平衡液压力的反馈作用来自动调节偏心距从而达到改变流量的目的。

限压式变量叶片泵适用于工作机构要求快速轻载和慢速重载要求的液压系统中。
快速轻载时，变量泵工作在曲线AB段，此时泵的压力小于限定压力，定子在流量调节螺钉.上，泵的流量大。
慢速重载时，变量泵工作在曲线BC段，此时泵的压力大于限定压力，泵的流量降低。
与定量泵相比优点:
减少功率损耗，降低油液温升。

叶片泵
双作泵工作原理: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。