機械分類

    柱塞泵一般分為單柱塞泵、臥式柱塞泵、軸向柱塞泵和徑向柱塞泵。

單柱塞泵

    結構組成主要有偏心輪、柱塞、彈簧、缸體、兩個單向閥。柱塞與缸體孔之間形成密閉容積。偏心輪旋轉一轉，柱塞上下往復運動一次，向下運動吸油，向上運動排油。泵每轉一轉排出的油液體積稱為排量，排量只與泵的結構參數(shù)有關。 

臥式柱塞泵

    臥式柱塞泵是由幾個柱塞（一般為3個或6個）并列安裝，用1根曲軸通過連桿滑塊或由偏心軸直接推動柱塞做往復運動，實現(xiàn)吸、排液體的液壓泵。它們也都采用閥式配流裝置，而且大多為定量泵。煤礦液壓支架系統(tǒng)中的乳化液泵一般都是臥式柱塞泵。

    乳化液泵用于采煤工作面，為液壓支架提供乳化液，工作原理靠曲軸的旋轉帶動活塞做往復運動，實現(xiàn)吸液和排液。

軸向式

    軸向柱塞泵（英文名：Piston pump）是活塞或柱塞的往復運動方向與缸體中心軸平行的柱塞泵。軸向柱塞泵利用與傳動軸平行的柱塞在柱塞孔內(nèi)往復運動所產(chǎn)生的容積變化來進行工作的。由于柱塞和柱塞孔都是圓形零件，加工時可以達到很高的精度配合，因此容積效率高。

直軸斜盤式

    直軸斜盤式柱塞泵分為壓力供油型和自吸油型兩種。壓力供油型液壓泵大都是采用有氣壓的油箱，靠氣壓供油的液壓油箱，在每次啟動機器之后，必須等液壓漬箱達到使用氣壓后，才能操作機械。如液壓油箱的氣壓不足時就啟動機器，會對液壓泵內(nèi)的與滑靴造成拉脫現(xiàn)象，出會造成泵體內(nèi)回程板與壓板的非正常磨損。

徑向式

    徑向柱塞泵可分為閥配流與軸配流兩大類。閥配流徑向柱塞泵存在故障率高、效率低等缺點。上70、80年代發(fā)展的軸配流徑向柱塞泵克服了閥配流徑向柱塞泵的不足。由于徑向泵結構上的特點，固定了軸配流徑向柱塞泵比軸向柱塞泵耐沖擊、壽命長、控制精度高。變量行程短泵的變量是在變量柱塞和限位柱塞作用下，改變定子的偏心距實現(xiàn)的，而定于的zui大偏心距為 5—9mm（根據(jù)排量大小不同），變量行程很短。且變量機構設計為高壓操縱，由控制閥進行控制。故該泵的響應速度快。徑向結構設計克服了如軸向柱塞泵滑靴偏磨的問題。使其抗沖擊能力大幅度提高。

液壓式

    液壓柱塞泵靠氣壓供油的液壓油箱，在每次啟動機器后，必須等液壓油箱達到使用氣壓后，才能操作機械。直軸斜盤式柱塞泵分為壓力供油型的自吸油型兩種。壓力供油型液壓泵大都采用有氣壓的油箱，也有液壓泵本身帶有補油分泵向液壓泵進油口提供壓力油的。自吸油型液壓泵的自吸油能力很強，無需外力供油。

德國力士樂柱塞泵型號：

A10VSO18DFR1/31R-PPA12N00

A10VSO18DFR1/31R-PPB12N00

A10VSO18DFR1/32R-VPB12N00

A10VG18HD1/10L-NSC16N003E

A10VSO18DFR1/31R-PPA12N00

A10V028DR/31R-PSC12N00

A10VS028DR/31R-PPA12N00

A10VSO28DR/32R-VPB121N00

A10VSO28DFR/31R-PSA12N00

A10VSO28DFR1/31R-PPA12N00

A10VSO28DFR1/32R-VPB12N00

A10VSO28DRF1/31R-PSA12N00

E-A10VSO28DFR1/31R-PPA12N00

A10VSO28DR/31R-PSC12N00

A10V028DR/31R-PSC62K01

A10V028DFR1/31R-PSC62N00

A10VSO45DFR1/31R-PPA12N00

A10VSO45DFR1/32R-VPB12N00

A10VSO45DR/31R-PPA12N00

A10VSO45DR/31R-PPA12K25

A10VSO45DFR1/31R-PPA12N00

A10VSO58DFR1/31R-PPA12N00

A10VS045DFR1/31RPPA12NOO

E-A10VSO45DFR1/31R-PPA12N00

A10VS045DFR/31R-PPA12NOO-SO32

A10VS045DR/31R-PPA12N00

A10VS045DR/52R-PC12N00

A10V045DFR1/31R-PSC62K02

A10VSO45DFR1/31R-PPA12N00

A10VS045DR/31RPPB12-NDD

A10VO45DFR1/31R-PSC62K02

A10VSO71DFR1/32R-VPB22U99

A10VSO71DFR1/31R-PPA12N00

A10VSO71DFR1/32R-VPB12N00

A10VSO71DFR1/31R-PPA12KB5

A10VSO71DFR/31R-PSC62K07

A10VO71DFRI/34 PSC6402-S0225

A10VSO71FR1/31R-PPA12N00

A10VSO71DFR1/31R-PPB12NOO

E-A10VSO71DFR1/31R-PPA12N00

A10VO71DFR1/31RPSC62K07

A10VSO71DFR/31R-PPA12KB3

A10VS071DR/31R-PPA12N00

A10VS071DFR/31R-PPA12N00

A10VS071DFR1/31R-PPA12N00

A10VSO71DFR1/31R-PPA12N00

A10VSO71DFR1/32R-VPB22U99

EA10VSO71DR/31R-PPA12N00

A10VS0100DR/31R-PPA12N00

A10VS0100DR/32R-VPB22U99

A10VSO100DFR1/32R-VPB12N00

A10VSO100DFR1/31R-PPA12K

A10VSO100DFR1/31R-PPA12KB3

EA10VSO100PFR1/31R-PPA12N00

A10VSO100DFR/31RPSB12K24

A10VSO100DR/31R-VPA12N00

A10VSO100DR/31R-PPA12N00

A10VS0100DFR1/31R-PPA12N00

A10VS0100DFR1/32R-VPB12N00

A10V0100DR/31R-PSC11N00

A10VS0100DR/31R-PTA12N00

A10VSO100DR/31R-PPA12N00

A10VSO100DFR1/32R-VPB12N00

A10VSO140DFR1/31R-PPB12N00

A10VSO140DFLR1/31R-PPB12KO1

A10VSO-140DR/31R-PPB12N00

A10VSO140DFR1S/31RPPB12N0

A10VSO140DFR1/31R-PPB12N00

A10VS0140DFLR/31R-PPB12N00

A10VSO140DR/31R-PPB12N00

A10VS0140DRS/32R-VPB12N00

E-A10VSO140D/31R-PPB12N00

A10VSO140DFR1/31R-PPB12N00

A10VS0140DR/32R-VPB12N00

AE-A10VSO140D/31R-PPB12N00

A10VSO140DR/31R-PPB12N00

A10VSO140DRS/32R-VPB12N00

A10VSO140DFR1/31R-PPB12N00

A10VSO140DFR1/32R-VPB12N00

A10VSO140DRS/32R-VPB12N00