VICKERS柱塞泵的維修與保養(yǎng)
液壓柱塞泵
威格士液壓柱塞泵靠氣壓供油的液壓油箱，在每次啟動(dòng)機(jī)器后，必須等液壓漬箱達(dá)到使用氣壓后，才能操作機(jī)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(bǔ)油分泵向液壓泵進(jìn)油口提供壓力油的。自吸油型液壓泵的自吸油能力很強(qiáng)，無需外力供油。對于自吸油型柱塞泵，液壓油箱內(nèi)的油液不得低于油標(biāo)下限，要保持足夠數(shù)量的液壓油。液壓油的清潔度越高，液壓泵的使用壽命越長。
威格士柱塞泵工作原理編輯
威格士柱塞泵是往復(fù)泵的一種，屬于體積泵，其柱塞靠泵軸的偏心轉(zhuǎn)動(dòng)驅(qū)動(dòng)，往復(fù)運(yùn)動(dòng)，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。帶滑靴結(jié)構(gòu)的軸向柱塞泵是目前使用zui廣泛的軸向柱塞泵，安放在缸體中的柱塞通過滑靴與斜盤相接觸，當(dāng)傳動(dòng)軸帶動(dòng)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。
威格士柱塞泵柱塞往復(fù)運(yùn)動(dòng)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(dòng)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(dòng)，從而完成泵油任務(wù)，泵油過程可分為以下三個(gè)階段。
進(jìn)油過程
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(dòng)，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(dòng)到下止點(diǎn)，進(jìn)油結(jié)束。
供油過程
當(dāng)凸輪軸轉(zhuǎn)到凸輪的凸起部分頂起滾輪體時(shí)，柱塞彈簧被壓縮，柱塞向上運(yùn)動(dòng)，燃油受壓，一部分燃油經(jīng)油孔流回噴油泵上體油腔。當(dāng)柱塞頂面遮住套筒上進(jìn)油孔的上緣時(shí)，由于柱塞和套筒的配合間隙很?。?.0015-0.0025mm）使柱塞頂部的泵油室成為一個(gè)密封油腔，柱塞繼續(xù)上升，泵油室內(nèi)的油壓迅速升高，泵油壓力>出油閥彈簧力+高壓油管剩余壓力時(shí)，推開出油閥，高壓柴油經(jīng)出油閥進(jìn)入高壓油管，通過噴油器噴入燃燒室。
VICKERS柱塞泵的維修與保養(yǎng)
柱塞泵的維護(hù)編輯
威格士斜盤式軸向柱塞泵一般采用缸體轉(zhuǎn)動(dòng)、端面配流的形式。缸體端面上鑲有一塊由雙金屬板與鋼配油盤組成的摩擦副，而且大多數(shù)是采用平面配流的方法，所以維修比較方便。配油盤是軸向柱塞泵的關(guān)鍵部件之一，泵工作時(shí)，一方面工作腔的高壓油把缸體推向配油盤，另一方面配油盤和缸體間的油膜壓力形成對缸體的液壓反推力使缸體背離配油盤。缸體對配油盤的設(shè)計(jì)液壓壓緊力Fn略大于配油盤對缸體的液壓反推力Ff，即Fn/Ff=1.05~1.1，使泵工作正常并保持較高的容積效率。 實(shí)際上，由于油液的污染，往往使配油盤與缸體之間產(chǎn)生輕微磨損。
我公司專業(yè)經(jīng)營美國VICKERS系列(Q)V10、V20 、20V、25V、35V、45V雙聯(lián)葉片泵：2520V、3520V、3525V、4520V、4525V、4535V變量柱塞泵：
   PVQ系列：PVQ5、PVQ10、PVQ15、PVQ20、PVQ25、PVQ29、PVQ45
   PVB系列：PVB5、PVB10、PVB15、PVB20、PVB25、PVB29、PVB45
   PVH系列：PVH57、PVH74、PVH98、PVH131、PVH141等
PFB柱塞泵：PFB5、PFB10、PFB20、PFB45，PFB5-FRY-22-S124
軸向柱塞泵：PVB5/6、PVB10/15、PVB20/29、PVB45、PVB90；PVB20-F-MRSFXN-10-CM-CVP-C-G-L-11-GE1
PV/PF柱塞泵：PF066、PF090、PF130、PF180、PF250、PV066、PV090、PV130、PV180、PV250；PV 060M2 R 1A 1A 1N1V20EU17**10 PV250、PV360、PV500、PV750、PF250、PF360、PF500、PF750、TPV130、TPV180、TPV250、TPV360、TPV500、TPF130、TPF180、TPF250、TPF360、TPF500；PV 250M 7R1N1R1S1V30EU11DP11 
PVH柱塞泵：PVH57QIC，PVH63QIC，PVH74QIC，PVH81QIC，PVH98QIC，PVH106QIC，PVH131QIC PVH141QICPVH074R13AA10B252000001AF1AB 010A 及PVM018/020、PVM045/050、PVM057/063、PVM131/141、PVQ10、PVQ13、PVQ16、PVQ20、PVQ25、PVQ32、PVQ40、PVQ45、PVQ63
VICKERS油泵-2520V17A5-1AA-22R
VICKERS油泵-2520V17A5-1AA-22R
VICKERS油泵-2520V17A5-1AA-22R
美國威格士液壓泵2520V17A5-1AA-22R  
 
2520V-21A5-1CC-22R 
PVQ32-B2R-SE1S-21-CM7-12 
PVQ32-B2R-SS1S-21-CM7-12
PVQ32-B2R-SS1S-21-C1-4-12
PVQ40-MBR-SSNS-10-CM710
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VICKERS柱塞泵的維修與保養(yǎng)