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液壓泵中的壓縮油流入通用汽車發動機

2022/2/26

      液壓動力部分本部分介紹液壓馬達、挖掘機行車制動閥和停車制動器,由液壓油和液壓馬達的高流量兩步轉換機構驅動。挖掘機維修左右轉向指示燈工作不正常 當手柄開關撥到左轉或右轉時,挖掘機左右轉向燈不閃爍。請檢查左、右轉向燈與閃光繼電器負載端之間的線束。維修挖掘機起動復合繼電器的中點信號端有電源電壓(檢查中點信號端信號的輸入是否與電源有短路現象或起動機中點輸出不正常)。修理挖掘機若起(qi)(qi)動(dong)(dong)(dong)復(fu)(fu)(fu)合(he)繼電(dian)器輸出(chu)正(zheng)(zheng)常(chang),則(ze)檢查(cha)起(qi)(qi)動(dong)(dong)(dong)復(fu)(fu)(fu)合(he)繼電(dian)器輸出(chu)端(duan)到(dao)起(qi)(qi)動(dong)(dong)(dong)機(ji)之間的(de)(de)線束(shu)連接是(shi)否完好(測量起(qi)(qi)動(dong)(dong)(dong)機(ji)端(duan)的(de)(de)起(qi)(qi)動(dong)(dong)(dong)線是(shi)否有電(dian)壓(ya)(ya)(ya));若以上情況完全正(zheng)(zheng)常(chang),可以判斷為起(qi)(qi)動(dong)(dong)(dong)機(ji)不能(neng)正(zheng)(zheng)常(chang)工作(zuo)。液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)是(shi)旋(xuan)轉(zhuan)斜盤型的(de)(de)軸向柱塞馬(ma)(ma)(ma)達(da)。馬(ma)(ma)(ma)達(da)將泵送來的(de)(de)壓(ya)(ya)(ya)縮油的(de)(de)作(zuo)用力轉(zhuan)化為旋(xuan)轉(zhuan)運動(dong)(dong)(dong)。b .制(zhi)(zhi)動(dong)(dong)(dong)閥(fa)1)該(gai)閥(fa)控制(zhi)(zhi)液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)關(guan)(guan)閉時(shi)(shi)(shi)的(de)(de)慣性力,促使(shi)馬(ma)(ma)(ma)達(da)順利關(guan)(guan)閉。2)當外力引起(qi)(qi)電(dian)機(ji)轉(zhuan)動(dong)(dong)(dong)時(shi)(shi)(shi),閥(fa)門還能(neng)防(fang)止(zhi)液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)運動(dong)(dong)(dong)超限。換(huan)句話(hua)說(shuo),就(jiu)是(shi)防(fang)止(zhi)液(ye)(ye)(ye)壓(ya)(ya)(ya)油的(de)(de)氣蝕。3)閥(fa)門還防(fang)止(zhi)液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)突然(ran)關(guan)(guan)閉時(shi)(shi)(shi)產生(sheng)A高的(de)(de)壓(ya)(ya)(ya)力。C\\u002FLow兩步轉(zhuan)換(huan)機(ji)構(gou)該(gai)機(ji)構(gou)通過(guo)兩個步驟轉(zhuan)換(huan)液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da):高速旋(xuan)轉(zhuan)輸出(chu)小扭(niu)矩(ju),低速旋(xuan)轉(zhuan)輸出(chu)大扭(niu)矩(ju)。d .駐(zhu)車制(zhi)(zhi)動(dong)(dong)(dong)器駐(zhu)車制(zhi)(zhi)動(dong)(dong)(dong)器在液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)關(guan)(guan)閉時(shi)(shi)(shi)工作(zuo),以防(fang)止(zhi)馬(ma)(ma)(ma)達(da)因外力而旋(xuan)轉(zhuan)。它包含一個摩擦盤式制(zhi)(zhi)動(dong)(dong)(dong)機(ji)構(gou),由集(ji)成在液(ye)(ye)(ye)壓(ya)(ya)(ya)馬(ma)(ma)(ma)達(da)部分的(de)(de)挖掘機(ji)修復(fu)(fu)(fu)。

      原則(ze)和(he)操作(zuo)說明一個旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)斜(xie)盤(pan)軸油(you)(you)(you)(you)(you)(you)(you)缸體(ti)A液(ye)壓(ya)(ya)(ya)控制(zhi)馬達(da)從(cong)(cong)(cong)液(ye)壓(ya)(ya)(ya)泵(beng)不斷流(liu)(liu)出的(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)流(liu)(liu)入(ru)(ru)GM馬達(da)內的(de)(de)(de)(de)(de)(de)后凸(tu)緣(yuan)(201)。壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)通(tong)(tong)過(guo)(guo)電子制(zhi)動(dong)(dong)閥(fa)(fa)和(he)計(ji)時(shi)盤(pan)(109) 流(liu)(liu)入(ru)(ru)油(you)(you)(you)(you)(you)(you)(you)缸體(ti)(104)。該(gai)油(you)(you)(you)(you)(you)(you)(you)只會導(dao)致流(liu)(liu)入(ru)(ru)由Y1-Y2線(xian)分(fen)(fen)(fen)(fen)(fen)開(kai)的(de)(de)(de)(de)(de)(de)區域的(de)(de)(de)(de)(de)(de)一側,這(zhe)條線(xian)從(cong)(cong)(cong)堵(du)頭(tou)(tou)(105)沖程的(de)(de)(de)(de)(de)(de)頂部(bu)(bu)(bu)劃至其底部(bu)(bu)(bu)靜點。壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)推動(dong)(dong)社(she)會各(ge)個堵(du)頭(tou)(tou)(105),產(chan)生(sheng)影響作(zuo)用力(li)(li)(li)(li)(li)F(= P x A)。該(gai)力(li)(li)(li)(li)(li)將作(zuo)用在不同旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)斜(xie)盤(pan)(103)的(de)(de)(de)(de)(de)(de)傾(qing)(qing)(qing)斜(xie)政(zheng)策面上。由于企(qi)業傾(qing)(qing)(qing)斜(xie)結構面的(de)(de)(de)(de)(de)(de)存在傾(qing)(qing)(qing)斜(xie)角θ,作(zuo)用力(li)(li)(li)(li)(li)F被(bei)分(fen)(fen)(fen)(fen)(fen)解成兩個分(fen)(fen)(fen)(fen)(fen)力(li)(li)(li)(li)(li)F2和(he)分(fen)(fen)(fen)(fen)(fen)力(li)(li)(li)(li)(li)F3。其中(zhong),徑向水平分(fen)(fen)(fen)(fen)(fen)力(li)(li)(li)(li)(li)F3產(chan)生(sheng)一定扭(niu)矩(= F3 x ri)。各(ge)個堵(du)頭(tou)(tou)(105)的(de)(de)(de)(de)(de)(de)合力(li)(li)(li)(li)(li)T(= Z[F3 x ri])是液(ye)壓(ya)(ya)(ya)機械(xie)馬達(da)的(de)(de)(de)(de)(de)(de)旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)工作(zuo)動(dong)(dong)力(li)(li)(li)(li)(li)。旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)提供動(dong)(dong)力(li)(li)(li)(li)(li)將通(tong)(tong)過(guo)(guo)堵(du)頭(tou)(tou)(105)使油(you)(you)(you)(you)(you)(you)(you)缸體(ti)(104)和(he)軸(102)旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)。液(ye)壓(ya)(ya)(ya)技(ji)術系統可以(yi)行走功能(neng)部(bu)(bu)(bu)件:驅動(dong)(dong)電機馬達(da)B制(zhi)動(dong)(dong)閥(fa)(fa)油(you)(you)(you)(you)(you)(you)(you)口(kou)A和(he)油(you)(you)(you)(you)(you)(you)(you)口(kou)B是液(ye)壓(ya)(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)進口(kou)/出口(kou)。以(yi)下問題描述(shu)的(de)(de)(de)(de)(de)(de)是液(ye)壓(ya)(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)(壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you))從(cong)(cong)(cong)油(you)(you)(you)(you)(you)(you)(you)口(kou)A流(liu)(liu)入(ru)(ru)的(de)(de)(de)(de)(de)(de)情(qing)況(kuang)。液(ye)壓(ya)(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)從(cong)(cong)(cong)油(you)(you)(you)(you)(you)(you)(you)口(kou)B流(liu)(liu)入(ru)(ru)時(shi),油(you)(you)(you)(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)流(liu)(liu)向和(he)操作(zuo)時(shi)間次序發(fa)展都將發(fa)生(sheng)倒轉(zhuan)(zhuan)(zhuan)(zhuan)過(guo)(guo)來(lai)(lai)。這(zhe)種特殊情(qing)況(kuang)下,馬達(da)的(de)(de)(de)(de)(de)(de)旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)運動(dong)(dong)方(fang)向也會倒轉(zhuan)(zhuan)(zhuan)(zhuan)過(guo)(guo)來(lai)(lai)。1)正常(chang)使用操作(zuo)能(neng)力(li)(li)(li)(li)(li)情(qing)況(kuang)從(cong)(cong)(cong)泵(beng)中(zhong)流(liu)(liu)出的(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)流(liu)(liu)入(ru)(ru)油(you)(you)(you)(you)(you)(you)(you)口(kou)A時(shi),液(ye)壓(ya)(ya)(ya)調節(jie)馬達(da)同時(shi)開(kai)始(shi)研究旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)。具體(ti)實際情(qing)況(kuang)請參看(kan)下面以(yi)下方(fang)面說明。停車以(yi)及制(zhi)動(dong)(dong)器器從(cong)(cong)(cong)泵(beng)中(zhong)流(liu)(liu)出的(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)先流(liu)(liu)入(ru)(ru)油(you)(you)(you)(you)(you)(you)(you)口(kou)A ,然(ran)后我們打開(kai)閥(fa)(fa)(227)。壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)流(liu)(liu)過(guo)(guo)閥(fa)(fa)(227),并通(tong)(tong)過(guo)(guo)油(you)(you)(you)(you)(you)(you)(you)口(kou)C流(liu)(liu)入(ru)(ru)我國液(ye)壓(ya)(ya)(ya)安裝(zhuang)馬達(da),給(gei)液(ye)壓(ya)(ya)(ya)連(lian)接馬達(da)需要施加(jia)具有旋(xuan)轉(zhuan)(zhuan)(zhuan)(zhuan)力(li)(li)(li)(li)(li)。B壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)還流(liu)(liu)入(ru)(ru)油(you)(you)(you)(you)(you)(you)(you)口(kou)A,通(tong)(tong)過(guo)(guo)閥(fa)(fa)芯(223)上的(de)(de)(de)(de)(de)(de)小洞一樣流(liu)(liu)過(guo)(guo)這(zhe)些管路(lu)(a),然(ran)后流(liu)(liu)入(ru)(ru)室(b)。室(b)中(zhong)的(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)縮油(you)(you)(you)(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)作(zuo)用結合力(li)(li)(li)(li)(li)使閥(fa)(fa)芯(223)從(cong)(cong)(cong)空檔位置滑(hua)行至距離左邊(bian)。這(zhe)時(shi),由于閥(fa)(fa)芯內的(de)(de)(de)(de)(de)(de)凹(ao)槽,油(you)(you)(you)(you)(you)(you)(you)口(kou)D和(he)油(you)(you)(you)(you)(you)(you)(you)口(kou)B之間沒有形成自己一條選擇液(ye)壓(ya)(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)進入(ru)(ru)管路(lu)。 從(cong)(cong)(cong)液(ye)壓(ya)(ya)(ya)泵(beng)作(zuo)為排出的(de)(de)(de)(de)(de)(de)液(ye)壓(ya)(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)從(cong)(cong)(cong)油(you)(you)(you)(you)(you)(you)(you)口(kou)D流(liu)(liu)入(ru)(ru)油(you)(you)(you)(you)(you)(you)(you)口(kou)B。以(yi)這(zhe)種教(jiao)學方(fang)式(shi),液(ye)壓(ya)(ya)(ya)傳輸(shu)馬達(da)數據開(kai)始(shi)出現轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong),液(ye)壓(ya)(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)流(liu)(liu)回(hui)至油(you)(you)(you)(you)(you)(you)(you)箱。

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