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REXROTH柱塞泵是(shi)液壓系(xi)統的一個重要(yao)裝置。它依靠柱(zhu)塞(sai)在缸體中往復運動,使密封工作容(rong)腔(qiang)的容(rong)積發(fa)生(sheng)變化來實(shi)現吸油、壓油。REXROTH柱(zhu)塞(sai)泵具有(you)額定壓力高、結(jie)構緊湊、效率高和流量調節方便等優點(dian)。
REXROTH柱塞(sai)泵被廣泛應(ying)用于高(gao)壓、大流(liu)量和流(liu)量需要(yao)調節(jie)的(de)場(chang)合,諸如液(ye)壓機、工程機械和船舶(bo)中。
REXROTH柱塞(sai)(sai)(sai)泵分為兩(liang)種有代表性(xing)的結構(gou)形式的軸向(xiang)REXROTH柱塞(sai)(sai)(sai)泵和(he)徑向(xiang)REXROTH柱塞(sai)(sai)(sai)泵;由于(yu)徑向(xiang)REXROTH柱塞(sai)(sai)(sai)泵
屬于(yu)(yu)(yu)一種新(xin)型的(de)(de)(de)(de)(de)(de)技術含量(liang)比較高(gao)的(de)(de)(de)(de)(de)(de)高(gao)效泵(beng)(beng),隨著國產化(hua)的(de)(de)(de)(de)(de)(de)不(bu)斷加快,徑(jing)(jing)(jing)向(xiang)REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)必(bi)然(ran)會(hui)成為REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)應用(yong)(yong)(yong)領域的(de)(de)(de)(de)(de)(de)重要組成部分;徑(jing)(jing)(jing)向(xiang)REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)是活(huo)塞(sai)(sai)(sai)(sai)或柱塞(sai)(sai)(sai)(sai)的(de)(de)(de)(de)(de)(de)往(wang)復(fu)(fu)運(yun)動方向(xiang)與(yu)驅(qu)動軸(zhou)垂直的(de)(de)(de)(de)(de)(de)REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)。徑(jing)(jing)(jing)向(xiang)REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)工(gong)作(zuo)原理(li):驅(qu)動扭(niu)矩由(you)驅(qu)動軸(zhou) 通(tong)過十(shi)字聯(lian)軸(zhou)器(qi) 傳遞給(gei)星(xing)形的(de)(de)(de)(de)(de)(de)液(ye)壓(ya)(ya)缸體(ti)(ti)轉(zhuan)子(zi)(zi),定(ding)(ding)子(zi)(zi)不(bu)受(shou)其它橫向(xiang)作(zuo)用(yong)(yong)(yong)力(li)。轉(zhuan)子(zi)(zi)裝(zhuang)在(zai)配(pei)(pei)流(liu)軸(zhou)上(shang)。位(wei)于(yu)(yu)(yu)轉(zhuan)子(zi)(zi)中的(de)(de)(de)(de)(de)(de)徑(jing)(jing)(jing)向(xiang)布置(zhi)的(de)(de)(de)(de)(de)(de)柱塞(sai)(sai)(sai)(sai),通(tong)過靜(jing)(jing)壓(ya)(ya)平(ping)衡(heng)的(de)(de)(de)(de)(de)(de)滑靴緊貼著偏(pian)心(xin)(xin)行(xing)(xing)(xing)程(cheng)定(ding)(ding)子(zi)(zi)。柱塞(sai)(sai)(sai)(sai)與(yu)滑靴球(qiu)鉸(jiao)相連(lian),并通(tong)過卡(ka)簧鎖(suo)定(ding)(ding)。二個保持環(huan)將滑靴卡(ka)在(zai)行(xing)(xing)(xing)程(cheng)定(ding)(ding)子(zi)(zi)上(shang)。泵(beng)(beng)轉(zhuan)動時(shi),它依靠(kao)離心(xin)(xin)力(li)和(he)液(ye)壓(ya)(ya)力(li)壓(ya)(ya)在(zai)定(ding)(ding)于(yu)(yu)(yu)內表面上(shang)。當(dang)轉(zhuan)子(zi)(zi)轉(zhuan)動時(shi),由(you)于(yu)(yu)(yu)定(ding)(ding)于(yu)(yu)(yu)的(de)(de)(de)(de)(de)(de)偏(pian)心(xin)(xin)作(zuo)用(yong)(yong)(yong),柱塞(sai)(sai)(sai)(sai)將作(zuo)往(wang)復(fu)(fu)運(yun)動,它的(de)(de)(de)(de)(de)(de)行(xing)(xing)(xing)程(cheng)為定(ding)(ding)于(yu)(yu)(yu)偏(pian)心(xin)(xin)距的(de)(de)(de)(de)(de)(de)2倍(bei)。定(ding)(ding)子(zi)(zi)的(de)(de)(de)(de)(de)(de)偏(pian)心(xin)(xin)距可(ke)由(you)泵(beng)(beng)體(ti)(ti)上(shang)的(de)(de)(de)(de)(de)(de)徑(jing)(jing)(jing)向(xiang)位(wei)置(zhi)相對(dui)的(de)(de)(de)(de)(de)(de)兩個柱塞(sai)(sai)(sai)(sai)來調節(jie)。油(you)(you)液(ye)的(de)(de)(de)(de)(de)(de)進(jin)出(chu)通(tong)過泵(beng)(beng)體(ti)(ti)和(he)配(pei)(pei)流(liu)軸(zhou)上(shang)的(de)(de)(de)(de)(de)(de)流(liu)道,并由(you)配(pei)(pei)流(liu)軸(zhou)上(shang)吸(xi)油(you)(you)口控(kong)制,泵(beng)(beng)體(ti)(ti)內產生(sheng)的(de)(de)(de)(de)(de)(de)液(ye)壓(ya)(ya)力(li)被靜(jing)(jing)壓(ya)(ya)平(ping)衡(heng)的(de)(de)(de)(de)(de)(de)表面所吸(xi)收。摩擦副(fu)的(de)(de)(de)(de)(de)(de)靜(jing)(jing)壓(ya)(ya)平(ping)衡(heng)采取(qu)了過平(ping)衡(heng)壓(ya)(ya)力(li)補償(chang)方法,形成了開環(huan)控(kong)制。支(zhi)承(cheng)驅(qu)動軸(zhou)的(de)(de)(de)(de)(de)(de)軸(zhou)承(cheng)只起(qi)支(zhi)承(cheng)作(zuo)用(yong)(yong)(yong),不(bu)受(shou)其他外力(li)的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)。液(ye)壓(ya)(ya)系統中:軸(zhou)向(xiang)REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)是利用(yong)(yong)(yong)與(yu)傳動軸(zhou)平(ping)行(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)柱塞(sai)(sai)(sai)(sai)在(zai)柱塞(sai)(sai)(sai)(sai)孔(kong)內往(wang)復(fu)(fu)運(yun)動所產生(sheng)的(de)(de)(de)(de)(de)(de)容(rong)積變化(hua)來進(jin)行(xing)(xing)(xing)工(gong)作(zuo)的(de)(de)(de)(de)(de)(de)。由(you)于(yu)(yu)(yu)REXROTH柱塞(sai)(sai)(sai)(sai)泵(beng)(beng)的(de)(de)(de)(de)(de)(de)柱塞(sai)(sai)(sai)(sai)和(he)柱塞(sai)(sai)(sai)(sai)孔(kong)都是圓形零件,加工(gong)時(shi)可(ke)以達到很高(gao)的(de)(de)(de)(de)(de)(de)精(jing)度配(pei)(pei)合(he);
工(gong)作(zuo)時(shi),在噴(pen)(pen)油(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)凸(tu)輪(lun)軸(zhou)上(shang)的(de)(de)(de)(de)(de)凸(tu)輪(lun)與柱(zhu)塞(sai)(sai)彈簧的(de)(de)(de)(de)(de)作(zuo)用下(xia)(xia),迫使柱(zhu)塞(sai)(sai)作(zuo)上(shang)、下(xia)(xia)往(wang)復運動,從(cong)而完成泵(beng)(beng)(beng)(beng)(beng)(beng)油(you)(you)(you)(you)任(ren)務(wu),泵(beng)(beng)(beng)(beng)(beng)(beng)油(you)(you)(you)(you)過程(cheng)可分為(wei)以(yi)(yi)下(xia)(xia)三(san)個階段。結(jie)論:通過上(shang)述(shu)討論,得(de)出下(xia)(xia)列(lie)(lie)(lie)結(jie)論① 柱(zhu)塞(sai)(sai)往(wang)復運動總(zong)行(xing)程(cheng)L是不(bu)變(bian)的(de)(de)(de)(de)(de),由凸(tu)輪(lun)的(de)(de)(de)(de)(de)升程(cheng)決定(ding)。② 柱(zhu)塞(sai)(sai)每循環(huan)的(de)(de)(de)(de)(de)供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)量(liang)(liang)(liang)大小取決于供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)行(xing)程(cheng),供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)行(xing)程(cheng)不(bu)受凸(tu)輪(lun)軸(zhou)控(kong)制(zhi)是可變(bian)的(de)(de)(de)(de)(de)。③ 供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)開始時(shi)刻(ke)不(bu)隨(sui)供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)行(xing)程(cheng)的(de)(de)(de)(de)(de)變(bian)化(hua)而變(bian)化(hua)。④ 轉動柱(zhu)塞(sai)(sai)可改變(bian)供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)終(zhong)了時(shi)刻(ke),從(cong)而改變(bian)供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)量(liang)(liang)(liang)。3. 國(guo)產(chan)系(xi)(xi)列(lie)(lie)(lie)柱(zhu)塞(sai)(sai)式噴(pen)(pen)油(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)國(guo)產(chan)系(xi)(xi)列(lie)(lie)(lie)REXROTH柱(zhu)塞(sai)(sai)泵(beng)(beng)(beng)(beng)(beng)(beng)主(zhu)要(yao)(yao)有A、B、P、Z和Ⅰ、Ⅱ、Ⅲ號(hao)等系(xi)(xi)列(lie)(lie)(lie)。系(xi)(xi)列(lie)(lie)(lie)化(hua)是根據(ju)柴油(you)(you)(you)(you)機(ji)單缸功率(lv)范圍(wei)對供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)要(yao)(yao)求不(bu)同,以(yi)(yi)柱(zhu)塞(sai)(sai)行(xing)程(cheng),泵(beng)(beng)(beng)(beng)(beng)(beng)缸中心距和結(jie)構(gou)型(xing)式為(wei)基(ji)礎,再(zai)分別配(pei)以(yi)(yi)不(bu)同尺寸(cun)的(de)(de)(de)(de)(de)柱(zhu)塞(sai)(sai)直徑,組成若干種在一個工(gong)作(zuo)循環(huan)內供(gong)(gong)(gong)(gong)(gong)(gong)油(you)(you)(you)(you)量(liang)(liang)(liang)不(bu)等的(de)(de)(de)(de)(de)噴(pen)(pen)油(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng),以(yi)(yi)滿足各種柴油(you)(you)(you)(you)機(ji)的(de)(de)(de)(de)(de)需要(yao)(yao)。國(guo)產(chan)系(xi)(xi)列(lie)(lie)(lie)噴(pen)(pen)油(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)工(gong)作(zuo)原理(li)和結(jie)構(gou)型(xing)式基(ji)本相(xiang)同,以(yi)(yi)A型(xing)泵(beng)(beng)(beng)(beng)(beng)(beng)為(wei)例介紹(shao)柱(zhu)塞(sai)(sai)式噴(pen)(pen)油(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)構(gou)造和工(gong)作(zuo)原理(li)。REXROTH柱(zhu)塞(sai)(sai)泵(beng)(beng)(beng)(beng)(beng)(beng)由四(si)大部分組成:分泵(beng)(beng)(beng)(beng)(beng)(beng)、油(you)(you)(you)(you)量(liang)(liang)(liang)調節機(ji)構(gou)、傳動機(ji)構(gou)和泵(beng)(beng)(beng)(beng)(beng)(beng)體
為微(wei)處(chu)理器(qi)智能控制,液(ye)晶屏顯示(shi),可與(yu)電腦進行通訊,具有工(gong)作壓(ya)力穩(wen)定、脈動小、操作方便(bian)等(deng)特點。廣泛用于(yu)生化(hua)、醫藥、化(hua)工(gong)、環保等(deng)行業,滿足(zu)以(yi)上行業需要連續恒(heng)壓(ya)、恒(heng)流輸送液(ye)體的要求。
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