艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)    艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)    艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)   艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert油(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)(beng)(beng)  艾(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)(ai)伯(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)(bo)特(te)(te)(te)(te)(te)(te)(te)(te)(te)AIbert川田液壓艾伯特ALBERT液壓泵45VQ66A-1B20L

川田液壓艾伯特ALBERT液壓泵45VQ66A-1B20L

雙級葉片泵(beng)的(de)(de)工作原(yuan)理如圖1所(suo)示。兩個(ge)單級葉片泵(beng)的(de)(de)轉(zhuan)子裝(zhuang)在同一(yi)根傳(chuan)動(dong)軸上，當(dang)傳(chuan)動(dong)軸回轉(zhuan)時就帶動(dong)兩個(ge)轉(zhuan)子一(yi)起轉(zhuan)動(dong)。第一(yi)級泵(beng)經吸油(you)(you)管從油(you)(you)箱吸油(you)(you)，輸(shu)出的(de)(de)油(you)(you)液直接送人第二級泵(beng)的(de)(de)吸油(you)(you)口(kou)，第二級泵(beng)的(de)(de)輸(shu)出油(you)(you)液經管路送往工作系統(tong)，從而(er)形成了前、后兩級的(de)(de)供油(you)(you)關(guan)系。

第(di)(di)一(yi)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)輸(shu)出(chu)(chu)(chu)(chu)壓(ya)(ya)力為p1，第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)輸(shu)出(chu)(chu)(chu)(chu)壓(ya)(ya)力為p2，則(ze)該泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)出(chu)(chu)(chu)(chu)壓(ya)(ya)力為p1+p2：。但這需(xu)要一(yi)個(ge)基本(ben)條件(jian)：第(di)(di)一(yi)個(ge)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)出(chu)(chu)(chu)(chu)流(liu)(liu)(liu)量(liang)應該正(zheng)好滿足第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)人流(liu)(liu)(liu)量(liang)的(de)(de)需(xu)要，否則(ze)會(hui)造成油(you)(you)(you)液的(de)(de)空穴現象，引(yin)起噪(zao)聲(sheng)，并(bing)降低(di)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)效率(lv)。由(you)于兩個(ge)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)定子內(nei)壁曲線和寬(kuan)度等(deng)不可能做得一(yi)樣(yang)，兩個(ge)單(dan)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)每(mei)轉一(yi)周的(de)(de)容量(liang)就(jiu)不可能相(xiang)等(deng)。為了平(ping)(ping)衡(heng)(heng)(heng)兩個(ge)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)流(liu)(liu)(liu)量(liang)與載(zai)荷(he)(he)關(guan)系(xi)，如圖1所示，在(zai)泵(beng)(beng)(beng)(beng)(beng)(beng)體內(nei)設有一(yi)個(ge)載(zai)荷(he)(he)平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)，使第(di)(di)一(yi)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)油(you)(you)(you)液輸(shu)出(chu)(chu)(chu)(chu)與平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)的(de)(de)大(da)端(duan)1相(xiang)通(tong)，使第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)出(chu)(chu)(chu)(chu)油(you)(you)(you)路(lu)與平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)的(de)(de)小(xiao)端(duan)2相(xiang)通(tong)，這樣(yang)，當第(di)(di)一(yi)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)出(chu)(chu)(chu)(chu)流(liu)(liu)(liu)量(liang)大(da)于第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)人流(liu)(liu)(liu)量(liang)時(shi)，多余(yu)的(de)(de)油(you)(you)(you)液經平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)的(de)(de)大(da)端(duan)頂開(kai)平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)，并(bing)由(you)泄油(you)(you)(you)口(kou)流(liu)(liu)(liu)回(hui)它的(de)(de)進油(you)(you)(you)口(kou)，使兩個(ge)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)流(liu)(liu)(liu)量(liang)與載(zai)荷(he)(he)獲(huo)得平(ping)(ping)衡(heng)(heng)(heng)；如果(guo)第(di)(di)一(yi)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)輸(shu)出(chu)(chu)(chu)(chu)流(liu)(liu)(liu)量(liang)小(xiao)于第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)需(xu)要時(shi)，油(you)(you)(you)壓(ya)(ya)p1要降低(di)，使平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)被推(tui)向左，平(ping)(ping)衡(heng)(heng)(heng)閥(fa)(fa)的(de)(de)一(yi)級(ji)(ji)(ji)泄油(you)(you)(you)口(kou)會(hui)關(guan)閉，而處(chu)于閥(fa)(fa)右側的(de)(de)平(ping)(ping)衡(heng)(heng)(heng)油(you)(you)(you)口(kou)會(hui)打開(kai)，第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)輸(shu)出(chu)(chu)(chu)(chu)的(de)(de)部(bu)分(fen)油(you)(you)(you)液從(cong)管路(lu)2經該閥(fa)(fa)口(kou)流(liu)(liu)(liu)回(hui)第(di)(di)二(er)(er)級(ji)(ji)(ji)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)進油(you)(you)(you)口(kou)而獲(huo)得流(liu)(liu)(liu)量(liang)的(de)(de)補充和平(ping)(ping)衡(heng)(heng)(heng)。