液压泵是一种无振动、噪音小、效率高、性能稳定、体积小、重量轻、无噪音、转速低、运转平稳、易于维修、流量调节范围大、液压系统采用多个气缸驱动液压泵是将液体或气体压入油缸中经运动机构产生真空或吸气力后经输出装置泵送到指定位置或要求的目的是靠油（气）液压力而驱动各种机械装置。

液压泵是由活塞、泵、回路管、油缸等组成活塞、油缸是活塞运动中承受径向力较大的部件；对活塞进行回路设计采用弹性联轴节、密封件及油泵、密封环等；对液压系统则通过管路和连接件将介质通入并使其产生压力、流量的作用。

根据压力不同又分为高压力油泵、低压油泵（如液压回路管压入式液压泵）等 1、无振动； 它是以机械能作为动力来源并以活塞运动为其基本形式由于没有运动部件，所以具有良好的性能，它可以被看成是一种可以长期使用的机器，即使在高温、高速条件下也不致因振动而损坏。

液压泵站用机械能进行工作过程中无振动是重要的由于机械能的传递是一种连续的状态，因此当机械能传递到液压泵时，液压泵能被传递到每一个液压缸而不会受到阻尼或阻尼效果，因此液压泵不会象气液两用泵式压力油一样有周期性地以一个速度高速地进行工作。

因此，由于机械能是连续形式的，因此它对人也没有任何危害，因此不象用油那样容易发生振动，而对机床和其他机械能进行加工的液压系统中有大量的振动源，在运行过程中机械也会发生振动 2、效率高； 效率是液压泵性能优劣的主要标志。

液压泵一般比液压缸高1~3倍，比活塞高2~3倍，比连杆高2~3倍，比活塞高3~4倍由于液压泵一般具有以下性能特点：a.流量可调节：液压泵有三个输入通道：一个是输入端由两个柱塞泵通过减速器直接输送到另一个输入通道内；另一个是出口由两个柱塞泵直接输送到另一个输入通道内；第三个通道通常用于另一个输入通道，以供其他液压元件之间转换使用。

b.效率可提高：目前液压泵的平均效率为80%左右，而目前液压泵流量调节范围仅为1/3~1/2 90R055-KA-5-CD-80-S-3-S1-C-02-GBA-35-35-24 90R055KA5CD80S3S1C02GBA353524 90-R-055-KA-5-CD-80-S-3-S1-C-02-GBA-35-35-24 90R055KA5CD80S3S1C02GBA353524 90-R-055-KA-5-CD-80-S-3-S1-C-03-GBA-35-35-24 90R055KA5CD80S3S1C03GBA353524 90R055-KA-5-CD-80-S-3-S1-D-03-GBA-32-32-22 90R055KA5CD80S3S1D03GBA323222 90-R-055-KA-5-CD-80-S-3-S1-D-03-GBA-32-32-22 90R055KA5CD80S3S1D03GBA323222 90-R-055-KA-5-CD-80-S-4-C6-C-03-GBA-45-45-24 90R055KA5CD80S4C6C03GBA454524 90-R-055-KA-5-CD-80-S-4-C6-D-03-GBA-26-26-24 90R055KA5CD80S4C6D03GBA262624 90-R-055-KA-5-CD-80-S-4-S1-C-03-GBA-40-40-20 90R055KA5CD80S4S1C03GBA404020 90-R-055-KA-5-NN-60-D-3-S1-L-03-GBA-42-42-24 90R055KA5NN60D3S1L03GBA424224 90R055-KA-5-NN-60-P-3-C6-C-03-EBC-23-23-24 90R055KA5NN60P3C6C03EBC232324 90-R-055-KA-5-NN-60-P-3-C6-C-03-EBC-23-23-24 90R055KA5NN60P3C6C03EBC232324 90R055-KA-5-NN-60-P-3-C6-C-04-GBA-42-42-20 90R055KA5NN60P3C6C04GBA424220 90-R-055-KA-5-NN-60-P-3-C6-C-04-GBA-42-42-20 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