液壓系統(tong)中常用(yong)的(de)泵(beng)(beng)(beng)(beng)結構(gou)分(fen)為：齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)、葉片(pian)泵(beng)(beng)(beng)(beng)和(he)(he)柱(zhu)塞(sai)泵(beng)(beng)(beng)(beng)3種(zhong)。齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)：體積較小，結構(gou)較簡單，對油的(de)清潔度要求(qiu)不嚴，價格(ge)較便宜；但(dan)泵(beng)(beng)(beng)(beng)軸受(shou)不平(ping)衡力，磨損(sun)嚴重，泄漏較大(da)。葉片(pian)泵(beng)(beng)(beng)(beng)：分(fen)為雙(shuang)作(zuo)(zuo)用(yong)葉片(pian)泵(beng)(beng)(beng)(beng)和(he)(he)單作(zuo)(zuo)用(yong)葉片(pian)泵(beng)(beng)(beng)(beng)。這種(zhong)泵(beng)(beng)(beng)(beng)流量均勻、運轉平(ping)穩、噪音小、作(zuo)(zuo)壓力和(he)(he)容(rong)(rong)積效率(lv)比齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)高、結構(gou)比齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)復雜(za)。柱(zhu)塞(sai)泵(beng)(beng)(beng)(beng)：容(rong)(rong)積效率(lv)高、泄漏小、可在(zai)高壓下工作(zuo)(zuo)、大(da)多用(yong)於大(da)功率(lv)液壓系統(tong)；但(dan)結構(gou)復雜(za)，材料和(he)(he)加工精度要求(qiu)高、價格(ge)貴(gui)、對油的(de)清潔度要求(qiu)高。一般在(zai)齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)和(he)(he)葉片(pian)泵(beng)(beng)(beng)(beng)不能滿足要求(qiu)時才用(yong)柱(zhu)塞(sai)泵(beng)(beng)(beng)(beng)。還(huan)有一些其(qi)他形式(shi)的(de)液壓泵(beng)(beng)(beng)(beng)，如螺(luo)桿泵(beng)(beng)(beng)(beng)等，但(dan)應用(yong)不如上述3種(zhong)普遍(bian)。液壓系統(tong)中常用(yong)的(de)泵(beng)(beng)(beng)(beng)結構(gou)分(fen)為：齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)、葉片(pian)泵(beng)(beng)(beng)(beng)和(he)(he)柱(zhu)塞(sai)泵(beng)(beng)(beng)(beng)3種(zhong)。北京派(pai)克PARKER柱(zhu)塞(sai)泵(beng)(beng)(beng)(beng)廠家

美國派克(ke)PARKER柱(zhu)(zhu)塞(sai)泵(beng)(beng)(beng)(beng)是(shi)活塞(sai)或柱(zhu)(zhu)塞(sai)的(de)(de)(de)(de)(de)(de)往復(fu)運(yun)動(dong)方向(xiang)(xiang)與(yu)缸體中心軸(zhou)平(ping)行(xing)的(de)(de)(de)(de)(de)(de)柱(zhu)(zhu)塞(sai)泵(beng)(beng)(beng)(beng)。P1/PD系列中載軸(zhou)向(xiang)(xiang)柱(zhu)(zhu)塞(sai)泵(beng)(beng)(beng)(beng)是(shi)利用與(yu)傳動(dong)軸(zhou)平(ping)行(xing)的(de)(de)(de)(de)(de)(de)柱(zhu)(zhu)塞(sai)在柱(zhu)(zhu)塞(sai)孔內往復(fu)運(yun)動(dong)所產生的(de)(de)(de)(de)(de)(de)容積變化來進行(xing)工作的(de)(de)(de)(de)(de)(de)。由(you)于柱(zhu)(zhu)塞(sai)和(he)柱(zhu)(zhu)塞(sai)孔都是(shi)圓形零件(jian)，加工時(shi)可(ke)以達到(dao)很高(gao)的(de)(de)(de)(de)(de)(de)精(jing)度配合，因此容積效率(lv)高(gao)，運(yun)轉平(ping)穩(wen)，流量均勻性好，噪聲低(di)，工作壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)高(gao)等優點，但(dan)對液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)污染較(jiao)敏(min)感，結構較(jiao)復(fu)雜(za)，造(zao)價(jia)較(jiao)高(gao)。直軸(zhou)斜盤式柱(zhu)(zhu)塞(sai)泵(beng)(beng)(beng)(beng)分(fen)為(wei)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)供(gong)油(you)(you)(you)(you)型(xing)的(de)(de)(de)(de)(de)(de)自(zi)吸油(you)(you)(you)(you)型(xing)兩種。壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)供(gong)油(you)(you)(you)(you)型(xing)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)大(da)都采用有氣壓(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)油(you)(you)(you)(you)箱，也有液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)本身帶(dai)有補油(you)(you)(you)(you)分(fen)泵(beng)(beng)(beng)(beng)向(xiang)(xiang)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)進油(you)(you)(you)(you)口(kou)提供(gong)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)。自(zi)吸油(you)(you)(you)(you)型(xing)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)(de)(de)自(zi)吸油(you)(you)(you)(you)能(neng)力(li)很強，無需外力(li)供(gong)油(you)(you)(you)(you)。靠氣壓(ya)(ya)(ya)(ya)(ya)(ya)供(gong)油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)(you)箱，在每次啟動(dong)機(ji)器后，必須(xu)等液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)漬箱達到(dao)使用氣壓(ya)(ya)(ya)(ya)(ya)(ya)后，才能(neng)操縱(zong)機(ji)械。如(ru)液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)(you)(you)箱的(de)(de)(de)(de)(de)(de)氣壓(ya)(ya)(ya)(ya)(ya)(ya)不足時(shi)就擔任機(ji)器，會(hui)對液(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)內的(de)(de)(de)(de)(de)(de)與(yu)滑(hua)鞭(bian)造(zao)成拉(la)脫(tuo)現象，出會(hui)造(zao)成泵(beng)(beng)(beng)(beng)體內回程板與(yu)壓(ya)(ya)(ya)(ya)(ya)(ya)板的(de)(de)(de)(de)(de)(de)非(fei)正常(chang)磨(mo)損。長(chang)沙派克(ke)中壓(ya)(ya)(ya)(ya)(ya)(ya)柱(zhu)(zhu)塞(sai)泵(beng)(beng)(beng)(beng)公司柱(zhu)(zhu)塞(sai)泵(beng)(beng)(beng)(beng)對油(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)清潔(jie)度要求很高(gao)，啟動(dong)前(qian)必須(xu)通(tong)過殼上(shang)的(de)(de)(de)(de)(de)(de)泄漏口(kou)向(xiang)(xiang)泵(beng)(beng)(beng)(beng)內灌(guan)滿清潔(jie)油(you)(you)(you)(you)。

傳統(tong)液(ye)壓(ya)(ya)(ya)(ya)系(xi)統(tong)依(yi)賴(lai)發動(dong)機(ji)驅(qu)動(dong)泵來提(ti)供(gong)所需的(de)(de)(de)壓(ya)(ya)(ya)(ya)力，并為整架飛機(ji)分配液(ye)壓(ya)(ya)(ya)(ya)能源，而液(ye)壓(ya)(ya)(ya)(ya)包(bao)則通過高效電(dian)機(ji)驅(qu)動(dong)集成液(ye)壓(ya)(ya)(ya)(ya)泵，按需提(ti)供(gong)液(ye)壓(ya)(ya)(ya)(ya)動(dong)力。在多電(dian)架構下，飛機(ji)的(de)(de)(de)滑油、飛控、燃油、熱管(guan)理等非推進系(xi)統(tong)主要由電(dian)力驅(qu)動(dong)，特別適合使(shi)用液(ye)壓(ya)(ya)(ya)(ya)動(dong)力包(bao)。飛機(ji)OEM制造商紛紛與供(gong)應(ying)商合作，開發和應(ying)用新的(de)(de)(de)電(dian)氣密集型架構，作為提(ti)升效率的(de)(de)(de)關鍵手段。隨著(zhu)這(zhe)股潮(chao)流的(de)(de)(de)興(xing)起，派(pai)克漢(han)尼汾(fen)相信液(ye)壓(ya)(ya)(ya)(ya)動(dong)力包(bao)將(jiang)發揮(hui)日益巨大的(de)(de)(de)作用，幫助主機(ji)廠實現重量更(geng)(geng)(geng)輕、油耗更(geng)(geng)(geng)低(di)、產品生命(ming)周(zhou)期成本更(geng)(geng)(geng)低(di)，維護(hu)性更(geng)(geng)(geng)強、質量更(geng)(geng)(geng)可(ke)靠的(de)(de)(de)生產目(mu)標。

派克(ke)Parker柱(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)的(de)(de)吸油阻(zu)力不(bu)能夠(gou)太高，以防產(chan)生氣(qi)濁現象。柱(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)允許吸入(ru)真空(kong)度(du)110mm氺(shui)銀柱(zhu)(zhu)(zhu)。安裝時(shi)(shi)應盡量(liang)(liang)接近郵(you)箱，派克(ke)柱(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)的(de)(de)中心高度(du)至液面的(de)(de)距離不(bu)得大于500mm。為防止(zhi)吸入(ru)污(wu)物和雜質，在吸油口處應另置過(guo)(guo)濾精度(du)為100-150μm的(de)(de)過(guo)(guo)濾器，其額(e)定(ding)流量(liang)(liang)不(bu)應低于派克(ke)Parker柱(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)流量(liang)(liang)的(de)(de)2倍。派克(ke)Parker柱(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)進油口處連接法蘭接頭以及整個(ge)吸油管道必須(xu)嚴格(ge)密封，防止(zhi)漏氣(qi)，否則將會(hui)引起噪聲、系統振(zhen)動，并使得郵(you)箱內產(chan)生大量(liang)(liang)的(de)(de)氣(qi)泡(pao)，降低柱(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)的(de)(de)使用壽命。實(shi)際流量(liang)(liang)是(shi)指泵(beng)(beng)（或馬達）工(gong)作時(shi)(shi)出口處（或進口處）的(de)(de)流量(liang)(liang)。

液壓泵(beng)工(gong)(gong)(gong)作壓力是指(zhi)泵(beng)（或(huo)(huo)馬(ma)達）在實際(ji)工(gong)(gong)(gong)作時輸出（或(huo)(huo)輸入）油液的(de)(de)壓力，由外(wai)負載決定(ding)(ding)。額定(ding)(ding)壓力是指(zhi)在正常工(gong)(gong)(gong)作條件(jian)下，按(an)試驗(yan)標準(zhun)規(gui)定(ding)(ding)能(neng)連續運轉的(de)(de)高(gao)壓力。其大小(xiao)受壽(shou)命的(de)(de)限制，若超過(guo)額定(ding)(ding)壓力工(gong)(gong)(gong)作，泵(beng)（或(huo)(huo)馬(ma)達）的(de)(de)使用壽(shou)命將(jiang)(jiang)會(hui)(hui)比設計的(de)(de)壽(shou)命短。當工(gong)(gong)(gong)作壓力大于額定(ding)(ding)壓力時稱(cheng)超載。工(gong)(gong)(gong)作轉速(su)是指(zhi)泵(beng)（或(huo)(huo)馬(ma)達）在工(gong)(gong)(gong)作時的(de)(de)實際(ji)轉動速(su)度。額定(ding)(ding)轉速(su)是指(zhi)在額定(ding)(ding)壓力下，能(neng)連續長時間(jian)正常運轉的(de)(de)高(gao)轉速(su)。若泵(beng)超過(guo)額定(ding)(ding)轉速(su)工(gong)(gong)(gong)作將(jiang)(jiang)會(hui)(hui)造成(cheng)吸油不足(zu)，產生振動和大的(de)(de)噪聲(sheng)，零件(jian)會(hui)(hui)遭受氣(qi)蝕(shi)損傷，壽(shou)命降低。液壓泵(beng)產生噪聲(sheng)隨(sui)著壓力、排量的(de)(de)升(sheng)高(gao)而升(sheng)高(gao)，也(ye)會(hui)(hui)隨(sui)著轉速(su)的(de)(de)升(sheng)高(gao)而升(sheng)高(gao)。成(cheng)都派克定(ding)(ding)量泵(beng)廠家

泵(beng)的(de)正(zheng)常工(gong)作(zuo)噪(zao)音和(he)液壓傳動系(xi)統(tong)的(de)工(gong)作(zuo)噪(zao)音的(de)測(ce)定與泵(beng)和(he)整(zheng)個傳動系(xi)統(tong)安(an)裝(zhuang)在哪里和(he)怎樣安(an)裝(zhuang)有關。北京派(pai)克PARKER柱(zhu)塞泵(beng)廠家

派(pai)(pai)克(ke)Parker葉(xie)(xie)片(pian)泵(beng)轉(zhuan)子(zi)旋(xuan)轉(zhuan)時，葉(xie)(xie)片(pian)在離心力和(he)(he)(he)壓(ya)力油(you)(you)(you)(you)的(de)(de)(de)作用(yong)下，尖(jian)部(bu)緊貼在定子(zi)內(nei)表面(mian)上(shang)。這樣兩個葉(xie)(xie)片(pian)與轉(zhuan)子(zi)和(he)(he)(he)定子(zi)內(nei)表面(mian)所構成的(de)(de)(de)工作容積(ji)，先(xian)由小(xiao)到大(da)吸油(you)(you)(you)(you)后再由大(da)到小(xiao)排(pai)油(you)(you)(you)(you)，葉(xie)(xie)片(pian)旋(xuan)轉(zhuan)一(yi)周時，完成兩次吸油(you)(you)(you)(you)與排(pai)油(you)(you)(you)(you)。派(pai)(pai)克(ke)Parker葉(xie)(xie)片(pian)泵(beng)是通過葉(xie)(xie)片(pian)沿定子(zi)軌跡(ji)運動來完成吸油(you)(you)(you)(you)和(he)(he)(he)排(pai)油(you)(you)(you)(you)的(de)(de)(de)。葉(xie)(xie)片(pian)泵(beng)的(de)(de)(de)機構組成大(da)致(zhi)包括轉(zhuan)子(zi)、葉(xie)(xie)片(pian)、定子(zi)環和(he)(he)(he)帶有兩個腰形(xing)進出(chu)油(you)(you)(you)(you)口的(de)(de)(de)配(pei)流(liu)盤(pan)。派(pai)(pai)克(ke)parker葉(xie)(xie)片(pian)泵(beng)的(de)(de)(de)軸向間隙對(dui)ηv影響很大(da)。（1）小(xiao)型泵(beng)-0.015～0.03mm；（2）中型泵(beng)-0.02～0.045mm油(you)(you)(you)(you)液的(de)(de)(de)溫度(du)和(he)(he)(he)粘度(du)一(yi)般不宜超過55℃，粘度(du)要(yao)求在17～37mm2／s之間。粘度(du)太大(da)則吸油(you)(you)(you)(you)困難；粘度(du)太小(xiao)則漏(lou)泄(xie)嚴重。北(bei)京派(pai)(pai)克(ke)PARKER柱塞泵(beng)廠家

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