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工程(cheng)人員可能都碰到過(guo)(guo)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)動力(li)站有(you)異響的(de)(de)(de)(de)(de)情況,究竟是什么原因導致液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)動力(li)站產(chan)生(sheng)噪音的(de)(de)(de)(de)(de)呢(ni)?我們從4個(ge)方(fang)面分析一(yi)下液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)動力(li)站中噪音產(chan)生(sheng)的(de)(de)(de)(de)(de)原因以(yi)及解決(jue)辦法(fa)。1. 空(kong)氣侵入空(kong)氣侵入液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)動力(li)站時,在低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)區體積較大(da)(da),1000方(fang)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)皮(pi)(pi)卡(ka)排(pai)(pai)澇車(che)生(sheng)產(chan)廠,當進入到高壓(ya)(ya)(ya)(ya)(ya)(ya)區時受到壓(ya)(ya)(ya)(ya)(ya)(ya)縮,體積突(tu)(tu)然縮小(xiao),而(er)當它流(liu)入低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)區時,梅(mei)州1000方(fang)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)皮(pi)(pi)卡(ka)排(pai)(pai)澇車(che),體積突(tu)(tu)然增大(da)(da),由此(ci)氣泡的(de)(de)(de)(de)(de)體積突(tu)(tu)然改變,也(ye)就(jiu)是“”現(xian)象(xiang)(xiang),因此(ci)產(chan)生(sheng)噪聲(sheng)。解決(jue)辦法(fa):通(tong)常(chang)(chang)是在液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)缸上設置排(pai)(pai)氣裝置,以(yi)便排(pai)(pai)氣。另外(wai)還有(you)一(yi)個(ge)常(chang)(chang)用的(de)(de)(de)(de)(de)方(fang)法(fa)就(jiu)是在啟(qi)動后,使執行(xing)元(yuan)件以(yi)快速全(quan)行(xing)程(cheng)往(wang)復幾(ji)次排(pai)(pai)氣。⒉液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)或(huo)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)馬達(da)質(zhi)量(liang)不(bu)好(hao)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)的(de)(de)(de)(de)(de)質(zhi)量(liang)不(bu)好(hao),精度沒(mei)有(you)完全(quan)達(da)到技術要(yao)(yao)求,壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)與流(liu)星(xing)波動大(da)(da),困(kun)油(you)(you)(you)現(xian)象(xiang)(xiang)沒(mei)有(you)得(de)到很好(hao)的(de)(de)(de)(de)(de)消除,密(mi)封(feng)不(bu)好(hao)以(yi)及軸(zhou)承質(zhi)量(liang)差等都是造成噪音的(de)(de)(de)(de)(de)主要(yao)(yao)原因。在使用過(guo)(guo)程(cheng)中,由于(yu)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)零件磨損,間隙(xi)過(guo)(guo)大(da)(da),流(liu)量(liang)不(bu)足(zu),壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)易波動,同樣(yang)也(ye)會(hui)引起噪聲(sheng)。解決(jue)辦法(fa):(1)選擇質(zhi)量(liang)好(hao)的(de)(de)(de)(de)(de)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)或(huo)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)馬達(da),另外(wai)還要(yao)(yao)定期進行(xing)維(wei)修和(he)保養液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)動力(li)站,例如齒輪的(de)(de)(de)(de)(de)齒形精度低(di),則(ze)應對研齒輪,滿(man)足(zu)接觸面要(yao)(yao)求;(2) 葉片泵(beng)有(you)困(kun)油(you)(you)(you)現(xian)象(xiang)(xiang)的(de)(de)(de)(de)(de)話(hua)應修正配油(you)(you)(you)盤的(de)(de)(de)(de)(de)三角槽(cao),消除困(kun)油(you)(you)(you);(3) 如果液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)軸(zhou)向間隙(xi)過(guo)(guo)大(da)(da)而(er)輸(shu)出油(you)(you)(you)量(liang)不(bu)足(zu),則(ze)應修理使軸(zhou)向間隙(xi)在允許范圍內;(4)液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)選用得(de)不(bu)對就(jiu)應該(gai)立(li)即更(geng)換。
在(zai)使(shi)用(yong)(yong)液(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)力站(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時候(hou),1000方液(ye)壓(ya)(ya)(ya)(ya)皮卡排(pai)澇車供(gong)應,很可(ke)能會遇(yu)到很多(duo)種(zhong)(zhong)不同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情(qing)(qing)(qing)況(kuang),不過(guo)(guo)(guo)我(wo)(wo)們(men)這里主(zhu)要分析的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)兩種(zhong)(zhong)比較常見的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)問題。一(yi)種(zhong)(zhong)情(qing)(qing)(qing)況(kuang)就是(shi)(shi)(shi)動(dong)(dong)(dong)力站(zhan)溫(wen)度(du)(du)(du)較高,存在(zai)著嚴(yan)重的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發熱問題。如(ru)果(guo)遇(yu)到這個問題的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)話,那(nei)么(me)我(wo)(wo)們(men)需(xu)要從(cong)三個方面來考(kao)慮(lv):一(yi),可(ke)能是(shi)(shi)(shi)由于系統(tong)出現(xian)了(le)超載的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情(qing)(qing)(qing)況(kuang),也就是(shi)(shi)(shi)說超過(guo)(guo)(guo)了(le)液(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)力站(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)Z大承(cheng)受能力,主(zhu)要表現(xian)為壓(ya)(ya)(ya)(ya)力過(guo)(guo)(guo)高,或(huo)者是(shi)(shi)(shi)轉(zhuan)速過(guo)(guo)(guo)快。第二(er)個原因(yin)可(ke)能是(shi)(shi)(shi)由于液(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)力站(zhan)所使(shi)用(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)有問題,比如(ru)很可(ke)能是(shi)(shi)(shi)由于液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)清潔度(du)(du)(du)不達標,導致(zhi)其(qi)(qi)內部的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)磨損問題嚴(yan)重,使(shi)得容積效率下降,并且(qie)出現(xian)了(le)泄露的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)問題;第三個原因(yin)則是(shi)(shi)(shi)由于所使(shi)用(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)出油(you)(you)(you)管過(guo)(guo)(guo)細(xi),而油(you)(you)(you)流速過(guo)(guo)(guo)高引起(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)(du)(du)異(yi)常。第二(er)種(zhong)(zhong)情(qing)(qing)(qing)況(kuang)是(shi)(shi)(shi)液(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)力站(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流量(liang)不達標,導致(zhi)系統(tong)運行(xing)不暢,影(ying)(ying)響(xiang)作業效果(guo)。之(zhi)所以會出現(xian)這樣(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)問題,主(zhu)要是(shi)(shi)(shi)由四個方面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)因(yin)素所引起(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de):1、進油(you)(you)(you)濾(lv)芯清潔度(du)(du)(du)不足,影(ying)(ying)響(xiang)吸油(you)(you)(you);2、泵(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)安裝(zhuang)位置過(guo)(guo)(guo)高;3、齒輪泵(beng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)吸油(you)(you)(you)管過(guo)(guo)(guo)細(xi),影(ying)(ying)響(xiang)吸油(you)(you)(you);4、吸油(you)(you)(you)口(kou)接頭漏(lou)氣,導致(zhi)吸油(you)(you)(you)不足。 需(xu)要注意的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi),在(zai)系統(tong)運轉(zhuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)(guo)程(cheng)中(zhong),其(qi)(qi)中(zhong)液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)(du)(du)可(ke)能會有一(yi)定程(cheng)度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)升(sheng)高。當其(qi)(qi)溫(wen)度(du)(du)(du)升(sheng)高之(zhi)后,粘度(du)(du)(du)可(ke)能會有所下降。而為了(le)保證液(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)力站(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)正常運行(xing),我(wo)(wo)們(men)需(xu)要將油(you)(you)(you)溫(wen)控(kong)制在(zai)60℃以下。此外,在(zai)選(xuan)擇(ze)液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時候(hou),我(wo)(wo)們(men)也需(xu)要考(kao)慮(lv)進來選(xuan)擇(ze)那(nei)些在(zai)不同溫(wen)度(du)(du)(du)下仍然能夠保持穩定性能的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)產品(pin)。
液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)的選(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)及(ji)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站的故障分(fen)(fen)析液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)是(shi)(shi)工(gong)業(ye)潤(run)滑(hua)油(you)(you)中(zhong)(zhong)用(yong)(yong)(yong)(yong)(yong)(yong)量(liang)超(chao)大、應(ying)用(yong)(yong)(yong)(yong)(yong)(yong)面超(chao)廣的品(pin)種。液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)廣泛(fan)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)冶金、礦山、工(gong)程機(ji)械、汽車、飛機(ji)、運(yun)輸工(gong)具、機(ji)床及(ji)其它液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站中(zhong)(zhong)。液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)的需(xu)要(yao)量(liang)約1000萬(wan)噸(dun)/年,1000方(fang)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)皮卡(ka)排澇車供(gong)應(ying)商,占工(gong)業(ye)潤(run)滑(hua)油(you)(you)的一(yi)(yi)半(ban)。目前(qian)(qian)我(wo)國每年液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)的用(yong)(yong)(yong)(yong)(yong)(yong)量(liang)約30萬(wan)噸(dun),其中(zhong)(zhong)抗磨(mo)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)約4萬(wan)噸(dun)。在任(ren)何(he)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站中(zhong)(zhong),液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)是(shi)(shi)一(yi)(yi)至關重要(yao)的組成(cheng)部(bu)分(fen)(fen)。它的功(gong)能是(shi)(shi):有效(xiao)地(di)傳(chuan)(chuan)遞能量(liang)、潤(run)滑(hua)部(bu)件(jian)和作(zuo)(zuo)為一(yi)(yi)種散熱介質。液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站能否可靠、靈敏、準確(que)(que)(que)、有效(xiao)而(er)且經濟地(di)工(gong)作(zuo)(zuo),與所(suo)選(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)的液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)的品(pin)種及(ji)性能密(mi)切相關。因此(ci),正確(que)(que)(que)選(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)是(shi)(shi)確(que)(que)(que)保(bao)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站正常和長期工(gong)作(zuo)(zuo)的前(qian)(qian)提。當液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站發(fa)生(sheng)故障時,及(ji)時找(zhao)出原因,采取正確(que)(que)(que)的解(jie)決辦法(fa)是(shi)(shi)保(bao)護設備、避免造成(cheng)重大損失的重要(yao)措施。液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)的選(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)由于(yu)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)傳(chuan)(chuan)動(dong)(dong)(dong)具有元件(jian)體積小、重量(liang)輕、傳(chuan)(chuan)動(dong)(dong)(dong)平穩、工(gong)作(zuo)(zuo)可靠、操作(zuo)(zuo)方(fang)便(bian)、易于(yu)實(shi)現無級變(bian)速等優點,因此(ci)在許(xu)多工(gong)業(ye)部(bu)門的傳(chuan)(chuan)動(dong)(dong)(dong)系(xi)統(tong)被采用(yong)(yong)(yong)(yong)(yong)(yong)。不同工(gong)業(ye)部(bu)門由于(yu)使用(yong)(yong)(yong)(yong)(yong)(yong)要(yao)求、操作(zuo)(zuo)條(tiao)件(jian)、應(ying)用(yong)(yong)(yong)(yong)(yong)(yong)環境的差異(yi),所(suo)用(yong)(yong)(yong)(yong)(yong)(yong)的液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)傳(chuan)(chuan)動(dong)(dong)(dong)系(xi)統(tong)差別也很大。正確(que)(que)(que)選(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)油(you)(you)品(pin)種,確(que)(que)(que)保(bao)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)動(dong)(dong)(dong)力(li)(li)(li)站長期平穩、安全運(yun)行,是(shi)(shi)保(bao)證連(lian)續生(sheng)產、節省(sheng)材料(liao)消耗(hao)和提高(gao)經濟效(xiao)益的有效(xiao)措施。
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