力士樂A4V,A10V,A11V系列柱塞泵,，德國REXROTH軸向柱塞泵

力士樂變量軸向柱塞泵分類：按軸分類有:直軸,，斜軸，通軸,，不通軸  按配油形式有:平面配流,，軸配流，閥配流其工作原理都是柱塞往復(fù)運(yùn)動實(shí)現(xiàn)吸油和壓油動作,。  通過配流零件保證吸油區(qū)與壓油區(qū)分隔開,，不串通常用的有1，CY14-1B柱塞泵,，其主要結(jié)構(gòu)特征是：不通軸,，直軸，平面配流盤配流,，斜盤變量結(jié)構(gòu),。              2，A6F斜軸泵（力士樂系列）,，其主要結(jié)構(gòu)特征是：斜軸,，不通軸，平面配流,，斜盤固定,，缸體配流盤擺動變量。             3,，A4V通軸泵（力士樂系列）,，其主要結(jié)構(gòu)特征是：通軸，直軸,，平面配流盤配流,，斜盤變量結(jié)構(gòu)，尾部可串接1-4臺合適的通軸泵,?？杉梢簤合到y(tǒng)的*控制閥功能。            詳細(xì)結(jié)構(gòu)請參閱相關(guān)資料,，網(wǎng)上也有,。            柱塞泵特點(diǎn)：壓力等級高，可實(shí)現(xiàn)復(fù)雜的變量控制,，可組成復(fù)雜的液壓系統(tǒng),。           像一般的水泵多數(shù)采用葉輪離心作用出水,，但高壓水泵一般多是閥配流的柱塞泵，壓力可達(dá)到
柱塞泵是液壓系統(tǒng)的一個(gè)重要裝置,。它依靠柱塞在缸體中往復(fù)運(yùn)動,，使密封工作容腔的容積發(fā)生變化來實(shí)現(xiàn)吸油、壓油,。柱塞泵具有額定壓力高,、結(jié)構(gòu)緊湊、效率高和流量調(diào)節(jié)方便等優(yōu)點(diǎn),，被廣泛應(yīng)用于高壓,、大流量和流量需要調(diào)節(jié)的場合，諸如液壓機(jī),、工程機(jī)械和船舶中,。
柱塞泵是往復(fù)泵的一種，屬于體積泵,，其柱塞靠泵軸的偏心轉(zhuǎn)動驅(qū)動,，往復(fù)運(yùn)動，其吸入和排出閥都是單向閥,。當(dāng)柱塞外拉時(shí),，工作室內(nèi)壓力降低，出口閥關(guān)閉,，低于進(jìn)口壓力時(shí),，進(jìn)口閥打開，液體進(jìn)入,；柱塞內(nèi)推時(shí),，工作室壓力升高，進(jìn)口閥關(guān)閉,，高于出口壓力時(shí),，出口閥打開，液體排出,。當(dāng)傳動軸帶動缸體旋轉(zhuǎn)時(shí)，斜盤將柱塞從缸體中拉出或推回,，完成吸排油過程,。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸、排油腔相通,。變量機(jī)構(gòu)用來改變斜盤的傾角,，通過調(diào)節(jié)斜盤的傾角可改變泵的排量。
柱塞泵柱塞往復(fù)運(yùn)動總行程L是不變的,，由凸輪的升程決定,。柱塞每循環(huán)的供油量大小取決于供油行程,供油行程不受凸輪軸控制是可變的,。供油開始時(shí)刻不隨供油行程的變化而變化。轉(zhuǎn)動柱塞可改變供油終了時(shí)刻,，從而改變供油量,。柱塞泵工作時(shí)，在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下,，迫使柱塞作上,、下往復(fù)運(yùn)動，從而完成泵油任務(wù),，泵油過程可分為以下三個(gè)階段,。
當(dāng)凸輪的凸起部分轉(zhuǎn)過去后，在彈簧力的作用下,，柱塞向下運(yùn)動,，柱塞上部空間（稱為泵油室）產(chǎn)生真空度，當(dāng)柱塞上端面把柱塞套上的進(jìn)油孔打開后,，充滿在油泵上體油道內(nèi)的柴油經(jīng)油孔進(jìn)入泵油室,，柱塞運(yùn)動到下止點(diǎn)，進(jìn)油結(jié)束,。

力士樂A4V柱塞泵變量原理就是通過LS（負(fù)載敏感）來控制,當(dāng)執(zhí)行元件壓力變化時(shí),LS把執(zhí)行元件的壓力情況反饋給泵上的LS閥,LS閥給力士樂A4V柱塞泵變量泵里的柱塞施加壓力,改變斜盤的角度,從而實(shí)現(xiàn)變量.當(dāng)系統(tǒng)有多個(gè)執(zhí)行元件時(shí),取壓力zui大的執(zhí)行元件
變量泵的變量控制我知道的一般有兩種形式,，1：電控；2液控,。電控大多采用電比例信號控制比例閥的開口量,，通過變量油缸從而改變斜盤角度達(dá)到變量目的。液控形式與電控原理沒有本質(zhì)區(qū)別,。只是閥的控制形式改為液控,。亦稱LS。有隨動伺服的也有壓力反饋控制的,。
部分型號,，如有什么需要或疑問可來電垂詢，謝謝合作,！
A4VSO40LR2G/10R-PPB13N00
A4VSO71DFR/10X-PPB13N00
A4VSO71DR/10X-PPB13N00
A4VSO71DRG/10X-PPB13N00
A4VSO71LR2/10R-PPB13N00
A4VSO71LR2D/10R-PPB13N00
A4VSO125DFR/22R-PPB13N00
A4VSO125DR/22R-PPB13N00
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A4VSO180DFR/22R-PPB13N00
A4VSO180DR/22R-PPB13N00
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柱塞泵A4VG90HWD1/32R-NZF001S
柱塞泵A4VTG90HW/32R-NLD10F001S
軸向柱塞泵A4VSO125DR/PPB13NOO
變量軸向柱塞泵A4VSO180DR/30R-PPB13N00
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柱塞泵A4VS0125DR/10R-PPB13N00
柱塞泵A4VS071DR/10R-PPB13N00
柱塞泵A4VS0125DR/22R
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柱塞泵A4VG125EP2MT1/32-NZF02F021SH-S
柱塞泵A4VSO250EO2/30R-VPB13N00-SO2
變量軸向柱塞泵A4VSO180DR/30R-PPB13N00
變量軸向柱塞泵A4VSO125DR/30R-PPB13N00
油泵A4VSO180DFR/30R-PPB13N00
柱塞泵A4VS0180DR/30R-PPB13N00
軸向柱塞泵主泵A4VS0125DRG/30R-PPB13N00
油泵A4VS071DR/30R-PPB13N00
德國力士樂A4VG-125泵的配件主軸080121-001#
軸向柱塞泵E-A4VSO250EO2/30R-VPB25N00-SO3
軸向柱塞泵E-A4VSO250EO2/30R-VPB25N00-SO3
柱塞泵A4VSO180DR/30R-FPB13N00
恒壓變量泵E-A4VS0125DR/22R-VPB13N00
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泵A4VG56EZ2DM1/32-NSC02F003F
柱塞泵A4VS0250DR/30RPPB13N00
閥柱塞泵A4VTG71HW/32R-NLD10F001S
柱塞泵A4VSG750HD/22R-PPH10NOO
軸向柱塞泵A4VS07IDR/3XR
軸向柱塞泵A4VS0125DR/3XR
柱塞泵A4VG90EP2DT1/32R-NAF02F00
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液壓馬達(dá)A4VG40EP4DMT1/32L-NSC02F015PH
柱塞泵A4VG71DWDMT2/23L-NZF02F041D
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柱塞泵A4VS0125DR30R-PPB13N00
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串泵A4VG125HDMT1-32R-NSF02F691S-
柱塞泵（二串泵）A4VG125EP2/32+A10V028DR/31
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A4VS0125LR2N/22L-PZB13A00
A4VTG90HW/3IR-NLD10F001S
A4VG56EZ1DMV32R-PSC02F023E-S
A4VG90EP2DT1/32R-NAF02F001F
A4VG90EP2DT1/32L-NAFO2F001D
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A4VG125HDDT132L-PZF02F001D
EA4VS0125DFR/30R-PPB13N00
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AHA4VS0250LR3G/30R-PZB13K35-S0
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A4VG56EZ2DM1/32R-NSC02F013SH
A4VTG90HW/32R-NLD10F001S
A4VTG71HW/32R-NLD10F001S
A4VTG90HW32R-NLD10FOO1S
A4VG90HWDL1/32R-NAF02F071L-S+A
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A4VG125EP2D1/32R-NAF02K691EP-4
A4VG125DA2D2/32R-NAF02F021DT
A4VG56EZ2DM1/32L-NSC02F013SH-K
A4VG125HD1DT1/32R-NSF02F001S
A4VS0500HSK/30L-PPH13N0010SET

A10VS018DR/31R-PPA12N00
A10VSO18DR/31R-PPA12N00
A10VSO18DFR1/31R-PPA12N00
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A10VSO18DR/31R-PPA12N00

A10VS028DFR/31R-PPA12N00
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E-A10VSO28DFR1/31R-PPA12N00
A10VSO28DFR1/31R-PPA12N00
A10VS028DFR1/31R-PPA12N00
A10VSO28DFR/31R-PSA12N00
A10VSO28DR/32R-PPA121V00
A10VO28DFR1/31L-PSC62N00
A10VO28DFR1/31R-PSC62N00

A10VS045DFR/31R-PPA12N00
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E-A10VSO45DFR1/31R-PPA12N00
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A10VSO71DFR1/31R-PPA12N00
A10VS071DFR1/31R-PPA12N00
A10VSO71DFR1/31R-PPA12KB5
A10VSO71DFR/31R-PSC62K07
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E-A1OVSO71DFR1/31R-PPA12N00
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A10VSO71DFR1/31R-PPA12N00
A10VSO71DFR1/32R-VPB22U99
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A10VSO140DG/32R-VPB12N00
A10VSO140DR/32R-VPB12N00
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A10VSO140ED/32R-VPB22U99
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A10VSO140DR/32R-VPB22U99
A10VSO140DRF/32R-VPB22U99
A10VSO140DRS/32R-VPB22U99
力士樂A4V,A10V,A11V系列柱塞泵,，德國REXROTH軸向柱塞泵