VICKERS柱塞泵的維修與(yu)保(bao)養(yang)

VICKERS柱塞泵的維修與(yu)保(bao)養(yang)
液(ye)壓(ya)柱塞泵
威格(ge)士(shi)液(ye)壓(ya)柱塞泵靠(kao)氣(qi)壓(ya)供油(you)的液(ye)壓(ya)油(you)箱，在每次啟動機(ji)器後，必(bi)須等液(ye)壓(ya)漬箱達(da)到使(shi)用(yong)氣(qi)壓(ya)後，才(cai)能(neng)操(cao)作(zuo)機(ji)械(xie)。直軸斜盤式(shi)柱塞泵分為(wei)壓(ya)力供油(you)型(xing)的自(zi)吸(xi)油(you)型(xing)兩種(zhong)。壓(ya)力供油(you)型(xing)液(ye)壓(ya)泵大都(dou)采用(yong)有(you)氣(qi)壓(ya)的油箱，也(ye)有(you)液(ye)壓(ya)泵本身(shen)帶(dai)有(you)補油(you)分泵向液(ye)壓(ya)泵進(jin)油口提供壓(ya)力油(you)的。自(zi)吸(xi)油(you)型(xing)液(ye)壓(ya)泵的自(zi)吸(xi)油(you)能(neng)力很強(qiang)，無(wu)需(xu)外(wai)力供油(you)。對於自(zi)吸(xi)油(you)型(xing)柱塞泵，液(ye)壓(ya)油(you)箱內(nei)的油液(ye)不得(de)低(di)於油標下(xia)限，要(yao)保(bao)持足(zu)夠數量的液(ye)壓(ya)油(you)。液(ye)壓(ya)油(you)的清潔(jie)度(du)越高，液(ye)壓(ya)泵的使(shi)用(yong)壽命越長(chang)。
威格(ge)士(shi)柱塞泵工(gong)作(zuo)原理(li)編輯(ji)
威格(ge)士(shi)柱塞泵是往復(fu)泵的壹(yi)種，屬(shu)於體(ti)積泵，其(qi)柱塞靠(kao)泵軸的偏心(xin)轉動驅(qu)動，往復(fu)運動，其(qi)吸(xi)入和(he)排(pai)出閥都(dou)是單向閥。當(dang)柱塞外(wai)拉(la)時(shi)，工(gong)作(zuo)室內(nei)壓(ya)力降(jiang)低(di)，出口閥關(guan)閉(bi)，低(di)於進(jin)口壓(ya)力時(shi)，進(jin)口閥打(da)開，液(ye)體(ti)進(jin)入；柱塞內(nei)推(tui)時(shi)，工(gong)作(zuo)室壓(ya)力升高，進(jin)口閥關(guan)閉(bi)，高於出口壓(ya)力時(shi)，出(chu)口閥打(da)開，液(ye)體(ti)排(pai)出。帶(dai)滑靴結構的軸向柱塞泵是目(mu)前使(shi)用(yong)zui廣(guang)泛(fan)的軸向柱塞泵，安放(fang)在缸體(ti)中的柱塞通(tong)過滑(hua)靴與(yu)斜盤(pan)相(xiang)接(jie)觸，當傳動軸帶(dai)動缸體(ti)旋(xuan)轉(zhuan)時，斜盤將柱塞從(cong)缸(gang)體(ti)中拉(la)出或推(tui)回，完(wan)成吸(xi)排(pai)油過程(cheng)。柱塞與(yu)缸孔(kong)組(zu)成的工(gong)作(zuo)容腔(qiang)中的油液(ye)通過配(pei)油盤分別與(yu)泵的吸(xi)、排(pai)油腔(qiang)相通。變量機(ji)構用(yong)來(lai)改(gai)變(bian)斜(xie)盤的傾角，通(tong)過調(tiao)節斜(xie)盤的傾角可改變(bian)泵的排(pai)量。
威格(ge)士(shi)柱塞泵柱塞往復(fu)運動行程L是不(bu)變的，由凸輪(lun)的升程(cheng)決(jue)定。柱塞每循環(huan)的供油(you)量(liang)大小(xiao)取決(jue)於供油(you)行(xing)程,供油(you)行(xing)程不(bu)受凸(tu)輪(lun)軸控(kong)制(zhi)是(shi)可變的。供油(you)開始時(shi)刻不隨供油(you)行(xing)程的變化而(er)變(bian)化(hua)。轉(zhuan)動柱塞可改變(bian)供油(you)終(zhong)了時刻，從而(er)改(gai)變(bian)供油(you)量(liang)。柱塞泵工(gong)作(zuo)時，在噴油(you)泵凸輪(lun)軸上(shang)的凸輪(lun)與(yu)柱塞彈(dan)簧(huang)的作(zuo)用(yong)下(xia)，迫(po)使(shi)柱塞作(zuo)上(shang)、下往復(fu)運動，從而(er)完(wan)成泵油任務，泵油過程(cheng)可分為(wei)以(yi)下(xia)三(san)個階(jie)段。
進(jin)油過程(cheng)
當(dang)凸(tu)輪(lun)的凸起部分轉(zhuan)過去(qu)後，在彈簧(huang)力的作(zuo)用(yong)下(xia)，柱塞向下運動，柱塞上(shang)部空間(jian)（稱為(wei)泵油室）產生(sheng)真(zhen)空度，當柱塞上(shang)端面把(ba)柱塞套(tao)上(shang)的進(jin)油孔(kong)打(da)開後，充滿在油泵上(shang)體(ti)油道(dao)內的柴油經(jing)油孔進(jin)入泵油室，柱塞運動到下止點，進(jin)油結束。
供油(you)過程(cheng)
當(dang)凸(tu)輪(lun)軸轉到凸輪(lun)的凸起部分頂(ding)起(qi)滾輪(lun)體(ti)時，柱塞彈(dan)簧(huang)被壓(ya)縮(suo)，柱塞向上(shang)運動，燃油受壓(ya)，壹(yi)部分燃(ran)油經(jing)油孔流回噴油(you)泵上(shang)體(ti)油腔(qiang)。當柱塞頂(ding)面(mian)遮住(zhu)套(tao)筒上(shang)進(jin)油孔(kong)的上(shang)緣時，由於柱塞和(he)套(tao)筒的配(pei)合間(jian)隙(xi)很小(xiao)（0.0015-0.0025mm）使(shi)柱塞頂(ding)部的泵油室成(cheng)為(wei)壹(yi)個密(mi)封油腔(qiang)，柱塞繼(ji)續(xu)上(shang)升，泵油室內(nei)的油壓(ya)迅(xun)速(su)升高，泵油壓(ya)力>出(chu)油(you)閥彈(dan)簧(huang)力+高壓(ya)油(you)管(guan)剩(sheng)余壓(ya)力時(shi)，推(tui)開出油(you)閥，高壓(ya)柴(chai)油經(jing)出油閥進(jin)入高壓(ya)油(you)管(guan)，通過噴油(you)器噴入燃(ran)燒(shao)室。
VICKERS柱塞泵的維修與(yu)保(bao)養(yang)
柱塞泵的維護(hu)編輯(ji)
威格(ge)士(shi)斜盤式(shi)軸向柱塞泵壹(yi)般采用(yong)缸(gang)體(ti)轉動、端面配(pei)流的形式(shi)。缸體(ti)端面上(shang)鑲有(you)壹(yi)塊(kuai)由雙金(jin)屬板(ban)與(yu)鋼(gang)配(pei)油盤組(zu)成的摩擦副，而(er)且(qie)大(da)多(duo)數是采用(yong)平(ping)面配(pei)流的方法，所(suo)以(yi)維(wei)修比較方(fang)便。配(pei)油盤是軸向柱塞泵的關鍵部件之(zhi)壹(yi)，泵工(gong)作(zuo)時，壹(yi)方面(mian)工(gong)作(zuo)腔的高壓(ya)油(you)把(ba)缸(gang)體(ti)推向配(pei)油盤，另壹(yi)方面(mian)配(pei)油盤和缸體(ti)間(jian)的油膜壓(ya)力形(xing)成(cheng)對缸體(ti)的液(ye)壓(ya)反(fan)推(tui)力使(shi)缸體(ti)背離配(pei)油盤。缸體(ti)對配(pei)油盤的設(she)計(ji)液(ye)壓(ya)壓(ya)緊力Fn略(lve)大(da)於配(pei)油盤對缸體(ti)的液(ye)壓(ya)反(fan)推(tui)力Ff，即Fn/Ff=1.05~1.1，使(shi)泵工(gong)作(zuo)正常並(bing)保(bao)持較高的容積效(xiao)率。 實(shi)際上(shang)，由於油液(ye)的汙(wu)染(ran)，往往使(shi)配(pei)油盤與(yu)缸體(ti)之(zhi)間(jian)產生(sheng)輕微磨損(sun)。
我(wo)公司專(zhuan)業(ye)經(jing)營(ying)美國VICKERS系(xi)列(lie)(Q)V10、V20 、20V、25V、35V、45V雙聯葉片(pian)泵：2520V、3520V、3525V、4520V、4525V、4535V變量柱塞泵：
   PVQ系(xi)列(lie)：PVQ5、PVQ10、PVQ15、PVQ20、PVQ25、PVQ29、PVQ45
   PVB系(xi)列(lie)：PVB5、PVB10、PVB15、PVB20、PVB25、PVB29、PVB45
   PVH系(xi)列(lie)：PVH57、PVH74、PVH98、PVH131、PVH141等(deng)
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(ge)士(shi)液(ye)壓(ya)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
4535V60A25-1AA-22R 
4535V60A25-1CC-22R
4525V60A12-1AA-22R 
4525V60A12-1CC-22R 
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4535VQ50A30 1DD20
25VTBS14A-2202CC-22R
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