派克(ke)Parker液(ye)(ye)(ye)(ye)(ye)壓(ya)泵(beng)(beng)(beng)(beng)為(wei)液(ye)(ye)(ye)(ye)(ye)壓(ya)傳(chuan)動(dong)(dong)提(ti)供加壓(ya)液(ye)(ye)(ye)(ye)(ye)體的(de)(de)一種(zhong)液(ye)(ye)(ye)(ye)(ye)壓(ya)元件，是(shi)泵(beng)(beng)(beng)(beng)的(de)(de)一種(zhong)。它(ta)(ta)的(de)(de)功能是(shi)把動(dong)(dong)力(li)(li)機(如電動(dong)(dong)機和(he)內燃機等(deng))的(de)(de)機械(xie)能轉換成液(ye)(ye)(ye)(ye)(ye)體的(de)(de)壓(ya)力(li)(li)能。泵(beng)(beng)(beng)(beng)相當于液(ye)(ye)(ye)(ye)(ye)壓(ya)系(xi)(xi)統的(de)(de)心臟，它(ta)(ta)給(gei)系(xi)(xi)統提(ti)供一定(ding)(ding)壓(ya)力(li)(li)和(he)流量，此壓(ya)力(li)(li)大小(xiao)由系(xi)(xi)統負載決(jue)定(ding)(ding)。負載壓(ya)力(li)(li)在液(ye)(ye)(ye)(ye)(ye)壓(ya)缸(gang)舉升重物或液(ye)(ye)(ye)(ye)(ye)壓(ya)馬(ma)達驅動(dong)(dong)車輛的(de)(de)過(guo)程中(zhong)(zhong)不斷變化。在工程機械(xie)液(ye)(ye)(ye)(ye)(ye)壓(ya)技(ji)術中(zhong)(zhong)非常(chang)常(chang)見的(de)(de)旋(xuan)轉式液(ye)(ye)(ye)(ye)(ye)壓(ya)泵(beng)(beng)(beng)(beng)的(de)(de)類型有：齒輪泵(beng)(beng)(beng)(beng)、葉片(pian)泵(beng)(beng)(beng)(beng)、軸(zhou)向(xiang)柱(zhu)塞泵(beng)(beng)(beng)(beng)。齒輪泵(beng)(beng)(beng)(beng)為(wei)定(ding)(ding)量泵(beng)(beng)(beng)(beng)，因為(wei)泵(beng)(beng)(beng)(beng)軸(zhou)旋(xuan)轉一圈輸(shu)出的(de)(de)油液(ye)(ye)(ye)(ye)(ye)是(shi)一定(ding)(ding)的(de)(de)。葉片(pian)泵(beng)(beng)(beng)(beng)和(he)軸(zhou)向(xiang)柱(zhu)塞泵(beng)(beng)(beng)(beng)可(ke)以(yi)是(shi)定(ding)(ding)量泵(beng)(beng)(beng)(beng)，也可(ke)以(yi)是(shi)變量泵(beng)(beng)(beng)(beng)，這主要視系(xi)(xi)統的(de)(de)具體情況而(er)定(ding)(ding)。泵(beng)(beng)(beng)(beng)軸(zhou)上不得施加徑向(xiang)或軸(zhou)向(xiang)載荷，不允(yun)許(xu)剛(gang)性(xing)(xing)連(lian)(lian)接，建議派克(ke)柱(zhu)塞泵(beng)(beng)(beng)(beng)與電機傳(chuan)動(dong)(dong)軸(zhou)之間采用彈性(xing)(xing)連(lian)(lian)接器連(lian)(lian)接。北京派克(ke)齒輪泵(beng)(beng)(beng)(beng)

派(pai)(pai)(pai)克(ke)Parker齒(chi)輪(lun)泵(beng)(beng)(beng)原理：是(shi)容(rong)積泵(beng)(beng)(beng)的(de)一(yi)種，由(you)兩個齒(chi)輪(lun)、泵(beng)(beng)(beng)體(ti)(ti)與前后蓋組成兩個封閉空(kong)間(jian)(jian)(jian)，當齒(chi)輪(lun)轉動(dong)(dong)(dong)時(shi)，齒(chi)輪(lun)脫開側的(de)空(kong)間(jian)(jian)(jian)的(de)體(ti)(ti)積從小(xiao)變大，形成真空(kong)，將(jiang)液體(ti)(ti)吸(xi)入(ru)(ru)，齒(chi)輪(lun)嚙合側的(de)空(kong)間(jian)(jian)(jian)的(de)體(ti)(ti)積從大變小(xiao)，而將(jiang)液體(ti)(ti)擠入(ru)(ru)管路中去(qu)。吸(xi)入(ru)(ru)腔(qiang)與排出(chu)腔(qiang)是(shi)靠兩個齒(chi)輪(lun)的(de)嚙合線來(lai)隔開的(de)。派(pai)(pai)(pai)克(ke)PARKER齒(chi)輪(lun)泵(beng)(beng)(beng)的(de)排出(chu)口(kou)的(de)壓(ya)(ya)力完全取決(jue)于泵(beng)(beng)(beng)出(chu)處阻力的(de)大小(xiao)。PARKER派(pai)(pai)(pai)克(ke)齒(chi)輪(lun)泵(beng)(beng)(beng)工作時(shi)，主動(dong)(dong)(dong)輪(lun)隨電動(dong)(dong)(dong)機一(yi)起旋轉并帶動(dong)(dong)(dong)從動(dong)(dong)(dong)輪(lun)跟(gen)著(zhu)旋轉。PARKER派(pai)(pai)(pai)克(ke)泵(beng)(beng)(beng)體(ti)(ti)上裝有安全閥，當排出(chu)壓(ya)(ya)力超(chao)過規定壓(ya)(ya)力時(shi)，輸送液體(ti)(ti)可以(yi)自動(dong)(dong)(dong)頂(ding)開安全閥，使高(gao)壓(ya)(ya)液體(ti)(ti)返回吸(xi)入(ru)(ru)管。派(pai)(pai)(pai)克(ke)電動(dong)(dong)(dong)泵(beng)(beng)(beng)設備容(rong)積式(shi)泵(beng)(beng)(beng)適(shi)合作液壓(ya)(ya)泵(beng)(beng)(beng)。

派克柱塞泵源部分(fen)的(de)體(ti)(ti)積(ji)重量有至(zhi)少(shao)(shao)40%的(de)降低，可(ke)為用(yong)戶帶來(lai)總(zong)體(ti)(ti)結(jie)構(gou)尺寸的(de)減少(shao)(shao)，占地少(shao)(shao)了，運輸成(cheng)本也降下(xia)來(lai)了；沒有動態密(mi)封(feng)問題了，眾所周知傳統液(ye)壓泵必須有一(yi)個軸(zhou)要(yao)伸(shen)出來(lai)，而(er)液(ye)壓泵要(yao)高(gao)速旋轉，經過長期(qi)運行(xing)勢必造成(cheng)動密(mi)封(feng)的(de)磨損等(deng)，造成(cheng)滲漏(lou)油的(de)必然后(hou)果，而(er)電(dian)液(ye)泵沒有軸(zhou)伸(shen)出泵體(ti)(ti)，也就(jiu)沒有滲漏(lou)油現象了；使用(yong)電(dian)液(ye)泵后(hou)干(gan)凈環保；噪音降低了，也是一(yi)種環保；效率(lv)略有提高(gao)；備品備件少(shao)(shao)了；運行(xing)更穩(wen)定；可(ke)靠性提高(gao)了；壽(shou)命延長了；設備成(cheng)本可(ke)能(neng)會降低。

派克(ke)PARKER齒(chi)(chi)輪泵(beng)(beng)泵(beng)(beng)設有差壓(ya)式安(an)(an)全閥(fa)(fa)作(zuo)為(wei)超載保護，安(an)(an)全閥(fa)(fa)全回流(liu)壓(ya)力為(wei)泵(beng)(beng)額定排(pai)出(chu)壓(ya)力1.5倍(bei)。也可在(zai)允(yun)許排(pai)出(chu)壓(ya)力范圍(wei)內根據實際需要另(ling)行調整。但是(shi)此(ci)安(an)(an)全閥(fa)(fa)不能(neng)作(zuo)減壓(ya)閥(fa)(fa)長期工(gong)作(zuo)，需要時可在(zai)管路上(shang)另(ling)行安(an)(an)裝。該泵(beng)(beng)軸端密封設計為(wei)兩種(zhong)形式，一(yi)(yi)種(zhong)是(shi)機(ji)械密封，另(ling)一(yi)(yi)種(zhong)是(shi)填料密封，可根據具體(ti)使(shi)用情況和用戶(hu)要求確定。“齒(chi)(chi)輪泵(beng)(beng)竄油”，即液(ye)(ye)壓(ya)油將骨架油封擊穿(chuan)而溢(yi)出(chu)。此(ci)現(xian)象普遍(bian)存在(zai)。齒(chi)(chi)輪泵(beng)(beng)竄油嚴(yan)重影響裝載機(ji)的(de)正(zheng)常工(gong)作(zuo)和齒(chi)(chi)輪泵(beng)(beng)的(de)使(shi)用可靠性(xing)及環(huan)境污染。為(wei)利于(yu)問題的(de)解(jie)決(jue)，現(xian)對齒(chi)(chi)輪泵(beng)(beng)油封竄油故(gu)障的(de)原(yuan)因和控制(zhi)方法(fa)進(jin)行分析。派克(ke)Parker液(ye)(ye)壓(ya)泵(beng)(beng)為(wei)液(ye)(ye)壓(ya)、燃油、機(ji)油、液(ye)(ye)體(ti)輸送(song)、潤滑(hua)和航(hang)空(kong)航(hang)天(tian)應用提供泵(beng)(beng)產(chan)品。

液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)的(de)(de)(de)(de)(de)維(wei)護主(zhu)要(yao)是(shi)對泵(beng)(beng)的(de)(de)(de)(de)(de)正(zheng)確(que)使(shi)用(yong)(yong)和管理(li)，及(ji)時處(chu)理(li)運(yun)行中的(de)(de)(de)(de)(de)異常情況，過(guo)濾工(gong)作(zuo)介質(zhi)(zhi)，排除(chu)小(xiao)故(gu)障，以便及(ji)時改進液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)的(de)(de)(de)(de)(de)使(shi)用(yong)(yong)，保(bao)證泵(beng)(beng)的(de)(de)(de)(de)(de)正(zheng)常運(yun)行，延長泵(beng)(beng)的(de)(de)(de)(de)(de)使(shi)用(yong)(yong)壽命(ming)。造成液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)損壞的(de)(de)(de)(de)(de)主(zhu)要(yao)原(yuan)(yuan)因(yin)有(you)：泵(beng)(beng)內(nei)零件磨損、腐蝕(shi)、疲勞損壞；泵(beng)(beng)的(de)(de)(de)(de)(de)制(zhi)造因(yin)素或事故(gu)等。修復正(zheng)常或異常原(yuan)(yuan)因(yin)造成的(de)(de)(de)(de)(de)泵(beng)(beng)損壞的(de)(de)(de)(de)(de)實質(zhi)(zhi)是(shi)對其劣化進行補(bu)償。修理(li)液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)有(you)兩種基本方法(fa)：修理(li)和更換。選(xuan)擇(ze)液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)的(de)(de)(de)(de)(de)主(zhu)要(yao)原(yuan)(yuan)則是(shi)主(zhu)要(yao)設備(bei)的(de)(de)(de)(de)(de)類型；選(xuan)擇(ze)液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)時要(yao)考慮的(de)(de)(de)(de)(de)主(zhu)要(yao)因(yin)素是(shi)結構形式、工(gong)作(zuo)壓(ya)(ya)(ya)力、流(liu)量(liang)、速度、效率(lv)、定量(liang)或變量(liang)、可(ke)變模式、壽命(ming)、原(yuan)(yuan)動機類型、噪聲(sheng)、壓(ya)(ya)(ya)力波動率(lv)、自(zi)吸(xi)能力、兼容性。具有(you)液(ye)(ye)壓(ya)(ya)(ya)油(you)、尺寸、質(zhi)(zhi)量(liang)、經濟性和維(wei)護性。液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)可(ke)以用(yong)(yong)支座或法(fa)蘭安裝，泵(beng)(beng)和原(yuan)(yuan)動機應采用(yong)(yong)共同的(de)(de)(de)(de)(de)基礎支座，法(fa)蘭和基礎都應有(you)足夠(gou)的(de)(de)(de)(de)(de)剛性。長沙派克液(ye)(ye)壓(ya)(ya)(ya)泵(beng)(beng)

葉片泵和軸向柱塞泵可(ke)(ke)以是(shi)(shi)定量(liang)泵，也可(ke)(ke)以是(shi)(shi)變量(liang)泵，這主要視系(xi)統的具(ju)體情(qing)況而定。北京派克齒(chi)輪泵

低穩定(ding)轉(zhuan)(zhuan)(zhuan)速(su)是(shi)指馬(ma)達(da)(da)正常(chang)運轉(zhuan)(zhuan)(zhuan)所允許的低轉(zhuan)(zhuan)(zhuan)速(su)。在此轉(zhuan)(zhuan)(zhuan)速(su)下，馬(ma)達(da)(da)不出現(xian)爬行現(xian)象。排量(liang)(liang)是(shi)指泵(beng)（或(huo)馬(ma)達(da)(da)）每轉(zhuan)(zhuan)(zhuan)一(yi)周，由密封容腔幾何尺(chi)寸變(bian)(bian)(bian)化而得的排出（或(huo)輸入）液體的體積，常(chang)用單位是(shi)ml/r（毫升/轉(zhuan)(zhuan)(zhuan)）。排量(liang)(liang)可(ke)以通(tong)過調節(jie)發生變(bian)(bian)(bian)化的成(cheng)為(wei)(wei)變(bian)(bian)(bian)量(liang)(liang)泵(beng)（或(huo)變(bian)(bian)(bian)量(liang)(liang)馬(ma)達(da)(da)），排量(liang)(liang)不能(neng)變(bian)(bian)(bian)化的成(cheng)為(wei)(wei)定(ding)量(liang)(liang)泵(beng)（或(huo)定(ding)量(liang)(liang)馬(ma)達(da)(da)）。實際流量(liang)(liang)是(shi)指泵(beng)（或(huo)馬(ma)達(da)(da)）工作時出口處（或(huo)進口處）的流量(liang)(liang)。由于(yu)泵(beng)本身(shen)存(cun)在內泄漏(lou)，其實際流量(liang)(liang)小于(yu)理(li)論(lun)流量(liang)(liang)。由于(yu)馬(ma)達(da)(da)本身(shen)也存(cun)在內泄漏(lou)，要實現(xian)轉(zhuan)(zhuan)(zhuan)速(su)，為(wei)(wei)補償泄漏(lou)量(liang)(liang)，其輸入實際流量(liang)(liang)必須大于(yu)理(li)論(lun)流量(liang)(liang)。北(bei)京派克齒輪泵(beng)

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