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型号 PV7 的液压泵是变量叶片泵。
主要由泵体、转子、叶片、定子环、压力控制器和调节螺栓组成。圆形的定子环夹持在小调节活塞和大调节活塞之间。此环的第三个接触点是高度调节螺栓。被驱动的转子在定子环内转动。转子槽内的叶片由于离心力的作用压在定子环上。
力士乐REXROTH叶片泵吸油和排油过程
用来传递油液的腔由叶片、转子、定子环和配油盘形成。
为了在投入使用时确保泵的运行功能，定子环由大调节活塞后面的弹簧压在其偏心位置 (排油位置)。
当转子转动时，油腔的容积增大，并且通过吸油通道吸油。当油腔达到大容积时，它脱离吸油侧。转子继续转动，此腔和压油侧接通，并使其容积减小，通过压油通道压油到系统。
类型 PV7...A 液压泵是直动式叶片泵，其排量体积可调。
基本上由壳体，盖板，转子，叶片，定子环，压缩弹簧，调整螺钉和控制板组成。为限制大流量，该泵配有调节螺钉。驱动转子在定子环中旋转。转子中导入的叶片在离心力的作用下贴紧定子环的内跑合面。
吸油和排油过程
运输流体所需的腔室由叶片，转子，定子环，控制板和盖板组成。
转子旋转时室体积增加，腔室通过吸油通道填充流体。达到大室体积后，腔室从吸油侧分离。
随着转子继续旋转，高压流体侧的连接打开，腔室缩小并迫使流体通过压力油口进入系统。
压力控制
定子环由弹簧固定在其初始的偏心位置。系统中所需的大工作压力是在调节螺钉处通过弹簧设定。增大的压力是由于对抗弹簧力的工作阻力作用于定子
环内跑合面的压力侧而产生的。
达到相关压力（由设定的弹簧力决定）后，定子环朝零位置的方向移出其偏心位置。流量自我调节至当时所需的值。当达到
弹簧处设置的大设定压力时，泵会将流量调回至几乎为零。工作压力得到保持，且仅更换泄露流体。流体的损失和加热从而降至低水平。
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
矿山机械是直接用于矿物开采和富选等作业的机械。包括采矿机械和选矿机械。探矿机械的工作原理和结构与开采同类矿物所用的采矿机械大多相同或相似，广义上说，探矿机械也属于矿山机械。另外，矿山作业中还应用大量的起重机、输送机、通风机和排水机械等。
破碎设备是将矿物进行破碎作业所用的机械设备。
破碎作业常按给料和排料粒度的大小分为粗碎、中碎和细碎。常用的砂石设备有颚式破碎机、反击式破碎机，冲击式破碎机，复合式破碎机，单段锤式破碎机，立式破碎机，旋回破碎机、圆锥式破碎机、辊式破碎机、双辊式破碎机、二合一破碎机、一次成型破碎机等几种。
根据破碎方式、机械的构造特征（动作原理）来划分的，大体上分为六类。
（1）鄂式破碎机（老虎口）。破碎作用是靠可动鄂板周期性地压向固定鄂板，将夹在其中的矿块压碎。
（2）圆锥破碎机。矿块处于内外两圆锥之间，外圆锥固定，内圆锥作偏心摆动，将夹在其中的矿块压碎或折断。
（3）辊式破碎机。矿块在两个相向旋转的圆辊夹缝中，主要受到连续的压碎作用，但也带有磨剥作用，齿形辊面还有劈碎作用。
（4）冲击式破碎机。矿块受到快速回转的运动部件的冲击作用而被击碎。属于这一类的又可分为：锤碎机；笼式破碎机；反击式破碎机。
（5）磨矿机。矿石在旋转的圆筒内受到磨矿介质（钢球、钢棒、砾石或矿块）的冲击与研磨作用而被粉碎。
（6）其他类型的破碎磨矿机。
采矿机械是直接开采有用矿物和采准工作所用的机械设备，包括：开采金属矿石和非金属矿石的采掘机械；开采煤炭用的采煤机械；开采石油用的石油钻采机械。
采掘机械用于井下和露天矿山开采的采掘机械有：钻炮孔用的钻孔机械；挖装矿岩用的挖掘机械和装卸机械；钻凿天井、竖井和平巷用的掘进机械。
钻孔机械分为凿岩机和钻机两类，钻机又有露天钻机和井下钻机之分。
掘进机械利用刀具的轴向压力和回转力对岩面的辗压作用，直接破碎矿岩的成巷或成井机械设备。所用刀具有盘形滚刀、楔齿滚刀、球齿滚刀和铣削刀具。按掘进巷道的不同，分为天井钻机、竖井钻机和平巷掘进机。
综合机械化采煤广泛应用浅截深式双(单)滚筒联合采煤机（或刨煤机）、可弯曲刮板输送机和液压自移支架等设备，使回采工作面的破碎落煤、装煤、运输、支护等环节实现全面的综合机械化。双滚筒采煤机是落煤机械。电动机经截割部分减速机把动力传递给螺旋滚筒落煤，机器的移动靠电动机经牵引部分传动装置来实现。牵引方式基本上有两种，即锚链牵引和无锚链牵引。锚链牵引借助牵引部分的链轮与固定在运输机上的锚链啮合而实现。
陆地石油钻采机械。按开采工序分为钻井机械、采油机械、修井机械和维持油井高产的压裂、酸化机械。钻井机械为开发石油或天然气而钻探或打生产井的全套机械设备。石油钻井机，包括井架、绞车、动力机、泥浆循环系统、滑车装置系统、转盘、井口装置和电气控制系统。井架用于装置天车、游动滑车和大钩等，吊升其他重物上下钻台，悬挂井内钻具进行钻进。
选矿机械是在所采集的矿物原料中，根据各种矿物物理性质、物理化学性质和化学性质的差异选出有用矿物的过程。实施这种过程的称为选矿机械。选矿机械按选矿流程分为破碎、粉磨、筛分、分选（选别）和脱水机械。破碎机械常用的有颚式破碎机、旋回破碎机、圆锥破碎机、辊式破碎机和反击式破碎机等。
