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柱塞泵是液压系统的一个重要装置。它依靠柱塞在缸体中往复运动，使密封工作容腔的容积发生变化来实现吸油、压油。柱塞泵具有额定压力高、结构紧凑、效率高和流量调节方便等优点，被广泛应用于高压、大流量和流量需要调节的场合，诸如液压机、工程机械和船舶中。

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柱塞泵是往复泵的一种，属于体积泵，其柱塞靠泵轴的偏心转动驱动，往复运动，其吸入和排出阀都是单向阀。当柱塞外拉时，工作室内压力降低，出口阀关闭，低于进口压力时，进口阀打开，液体进入;柱塞内推时，工作室压力升高，进口阀关闭，高于出口压力时，出口阀打开，液体排出。当传动轴带动缸体旋转时，斜盘将柱塞从缸体中拉出或推回，完成吸排油过程。柱塞与缸孔组成的工作容腔中的油液通过配油盘分别与泵的吸、排油腔相通。变量机构用来改变斜盘的倾角，通过调节斜盘的倾角可改变泵的排量。

柱塞泵结构形式

4525VQHSV10S-42AM21S5S-497BAA-32R

4525VQHSV10S42AM21S5S497BAA32R

柱塞泵分为轴向柱塞泵和径向柱塞泵两种代表性的结构形式;由于径向柱塞泵属于一种新型的技术含量比较高的高效泵，随着不断加快，径向柱塞泵必然会成为柱塞泵应用领域的重要组成部分.


L10V045N0/52R-PPC12KP1 L10V045N0/52R-PPC12KP1(T1) L10V045N0/52R-PPC12KP1(T2) L10V045DR/52R-PPC12KP1 L10V045DR/52R-PSC62N00 L10V045DR/52L-PSC62N00 L10V045DFR/52R-PUC64N00 L10V045DFR/31L-VSC61N00 L10VS045DFR/52L-PVC62N00 L10VS045DFR/52R-PKC62N00 L10VS045DFR/52L-PUC64N00 L10VS045DFR/52R=PKC12N00 L10VS045DR/31L-PSC62N00 L10VS045DR/31R-PSC62N00 L10VS045DRG/31L-PSC62N00 L10VS045DRG/31R-PSC62N00 L10VS045DR/31R-PKC62N00 L10VS045DR/31L-PKC62N00 L10VS045DFR/31R-PSC62N00 L10VS045DFR/31R-PKC62N00 L10VS045DFR/31L-PKC62N00 L10VS045DFR/31R-PPA12N00 L10VS045DRG/31L-PPA12N00 L10V063LR8DS/53R-VUC12N00 L10V071DFR/30L-PKC62N00/S07 L10V071DFR/30L-PSC62N00 L10V071DFR/30R-PSC62N00 L10V071DFR/30R-PKC62N00 另一类分类方法是根据转矩大小和转速高低分为高速小转矩马达和低速大转矩马达。也有学者认为应补加一种中速马达，尚未得到广泛认可。高速小转矩马达的基本形式为齿轮式马达、叶片式马达和轴向柱塞式马达；齿轮式马达功率和转矩较小，用于小功率传动时，适用于3000 r/min高速旋转，最低转速为300r/min，不适于150r/min以下转速。轴向柱塞式马达是高速马达，功率和转矩比齿轮式和叶片式大，转速范围也较大(50r/min～600r/min)。@L10V071DFR/31R-PSC62K07 L10V071DFR/31R-PSC62N00 L10V071DFR/31R-PSC12K01(T20) L10V071DR/31L-PPA12N00 L10VS071DR/31R-PPA12N00 L10VS071DFR/31R-PPA12N00 L10VS071DFR/31R-PSC62K07 L10VS071DFR/31L-PSC62K07 L10VS071DFR/31R-PSC62K02 L10VS071DFR/31L-PSC62K02 L10V071DFLR/31L-XSC11N00 L10V071DFLR/31R-PS1C11N00 L10V071DFLR/31L-PS*C41N00 L10V071DFLR/31L-PS1C11N00 L10V071DFLR/31R-PSC12K01 L10VS071DFLR/31R-PKC11N00 L10V071DFLR/31R-PKC11N00(T1) L10V071DFLR/31R-PS1C11N00 L10VS071DFLR/31R-PKC92N00 L10VS071DFLR/31R-VKC92N00 L10VS071DFLR/31R-PSC62/92N00 L10VS071DFLR/31L-PSC62/92N00 L10VS071DFLR/31L-PSC41N00 L10VS071DFLR/31R-PSC41N00 L10VS071DFLR/31R-PSC91N00 L10VS071DFLR/31L-PSC91N00 L10VS071DFR/31R-PKC92N00 L10VS071DFR/31L-PKC92N00 L10VS071DFR/31L-PSC92N00 L10VS071DFR/31R-PSC92N00 L10VS071DR/31R-PSC61N00 L10VS071DFLR/31L-PSC62/92N00 L10VS071DFLR/31R-PSC62/92N00 L10VS071DFLR/31L-PKC62/92N00 L10VS071DFLR/31R-PKC62/92N00 L10VS071DR/31L-PKC92K07 L10VS071DR/31L-PKC92K02 L10VS071DRG/31L-PPA41N00 L10VS071DRG/31R-PKC62/92N00 L10VS071DRG/31L-PKC62/92N00 L10VS071DFR/31R-PPA41N00 L10VS071DFR/31R-PSC91N00 L10VS071DRG/31R-PSC91N00 L10VS071DRG/31R-PRC92K07 L10V0100DFR/31L-PSC62N00 L10VS0100DFR/31R-PPA12N00 L10VS0100DFR/31L-PPA12N00

4.输出压力异常

877型号柳工装载机用4525VQHSV10S 42AM21S5S 497BAA 32R

泵的输出压力是由负载决定的，与输入转矩近似成正比。输出压力异常有两种故障。

A2F28W2Z1徐工100吨回转马达 803000057 液压马达