挖掘機故障分析檢測4個步驟診斷,挖掘機一般都采用了中國機電液一體化管理控制發展模式，在排除存在一些網絡故障時，解決的多是由于發動機、液壓泵、分配閥、外部環境負荷的匹配技術問題。合肥挖掘機修理廠挖掘的物料主要是土壤、煤、泥沙以及經過預松后的土壤和巖石。從近幾年工程機械的發展來看，挖掘機的發展相對較快，挖掘機已經成為工程建設中最主要的工程機械之一。安徽挖掘機維修對挖掘機進行定期的車輛清潔，部件檢查潤滑以及對受損零件的更換和維修等內容，主要的目的就是為了有效地保證挖掘機的工作效果和良好的技術狀態，避免出現由于零部件損耗而導致的故障發生，為人們的安全提供良好的保障。安徽挖掘機修理廠直(zhi)接完成(cheng)挖(wa)(wa)(wa)(wa)掘(jue)(jue)任務的(de)(de)(de)(de)(de)(de)裝(zhuang)(zhuang)(zhuang)置。它(ta)由動(dong)(dong)(dong)(dong)(dong)(dong)(dong)臂(bei)、斗(dou)桿、鏟斗(dou)等三部(bu)分(fen)(fen)鉸接而(er)成(cheng)。為(wei)了(le)適應各(ge)(ge)種(zhong)(zhong)(zhong)不(bu)(bu)同施(shi)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)業(ye)(ye)(ye)的(de)(de)(de)(de)(de)(de)需(xu)要(yao)(yao)(yao)，液壓(ya)(ya)(ya)挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)可(ke)以配(pei)裝(zhuang)(zhuang)(zhuang)多種(zhong)(zhong)(zhong)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)裝(zhuang)(zhuang)(zhuang)置，如(ru)(ru)挖(wa)(wa)(wa)(wa)掘(jue)(jue)、起重(zhong)、裝(zhuang)(zhuang)(zhuang)載、平整(zheng)(zheng)、夾鉗、推(tui)土、沖(chong)擊錘(chui)，旋(xuan)挖(wa)(wa)(wa)(wa)鉆等多種(zhong)(zhong)(zhong)作(zuo)(zuo)(zuo)(zuo)業(ye)(ye)(ye)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)具。一(yi)(yi)(yi)般在挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)作(zuo)(zuo)(zuo)(zuo)業(ye)(ye)(ye)中(zhong)(zhong)，這幾個(ge)人方(fang)(fang)(fang)面我(wo)們(men)不(bu)(bu)能(neng)完全匹配(pei)，經(jing)(jing)(jing)常(chang)會表(biao)(biao)現(xian)為(wei)：發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)轉(zhuan)速(su)不(bu)(bu)斷(duan)下(xia)降，工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)學習速(su)度變(bian)慢，挖(wa)(wa)(wa)(wa)掘(jue)(jue)企業(ye)(ye)(ye)無(wu)(wu)力(li)(li)(li)(li)(li)改變(bian)以及其他(ta)一(yi)(yi)(yi)些比較常(chang)見(jian)心理問題(ti)。一(yi)(yi)(yi) 挖(wa)(wa)(wa)(wa)掘(jue)(jue)自己無(wu)(wu)力(li)(li)(li)(li)(li)但(dan)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)不(bu)(bu)憋車。挖(wa)(wa)(wa)(wa)掘(jue)(jue)力(li)(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)大(da)小由主泵(beng)(beng)輸(shu)(shu)出(chu)(chu)一(yi)(yi)(yi)個(ge)壓(ya)(ya)(ya)力(li)(li)(li)(li)(li)也是(shi)(shi)決定(ding)，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)公(gong)司是(shi)(shi)否(fou)憋車取(qu)決于(yu)油(you)泵(beng)(beng)吸收(shou)直(zhi)接轉(zhuan)矩與發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)作(zuo)(zuo)(zuo)(zuo)為(wei)輸(shu)(shu)出(chu)(chu)轉(zhuan)矩間(jian)的(de)(de)(de)(de)(de)(de)關系(xi)。發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)不(bu)(bu)轉(zhuan)憋車說明油(you)泵(beng)(beng) 吸收(shou)轉(zhuan)矩較小，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)負荷輕。如(ru)(ru)果(guo)(guo)采用(yong)挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)生(sheng)活速(su)度已(yi)經(jing)(jing)(jing)沒有(you)得(de)到明顯出(chu)(chu)現(xian)異常(chang)，則(ze)應重(zhong)點監(jian)督檢(jian)查(cha)(cha)主泵(beng)(beng)的(de)(de)(de)(de)(de)(de)最(zui)大(da)價值(zhi)輸(shu)(shu)出(chu)(chu)社會壓(ya)(ya)(ya)力(li)(li)(li)(li)(li)即系(xi)統(tong)溢(yi)流壓(ya)(ya)(ya)力(li)(li)(li)(li)(li)。如(ru)(ru)果(guo)(guo)溢(yi)流壓(ya)(ya)(ya)力(li)(li)(li)(li)(li)測量(liang)值(zhi)低于(yu)規定(ding)值(zhi)，表(biao)(biao)明該 機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構提供液壓(ya)(ya)(ya)回路(lu)的(de)(de)(de)(de)(de)(de)過載溢(yi)流閥設定(ding)值(zhi)不(bu)(bu)正(zheng)(zheng)(zheng)確，導致該機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構過早溢(yi)流，工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)更(geng)(geng)加無(wu)(wu)力(li)(li)(li)(li)(li)。則(ze)可(ke)以同時通(tong)過學生(sheng)轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)結構調整(zheng)(zheng)螺絲來(lai)調整(zheng)(zheng)國家機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)器(qi)。②挖(wa)(wa)(wa)(wa)掘(jue)(jue)他(ta)們(men)無(wu)(wu)力(li)(li)(li)(li)(li)，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)憋車。發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)憋車表(biao)(biao)明油(you)泵(beng)(beng) 的(de)(de)(de)(de)(de)(de)吸收(shou)轉(zhuan)矩大(da)于(yu)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)輸(shu)(shu)出(chu)(chu)轉(zhuan)矩，致使發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)超(chao)載。這種(zhong)(zhong)(zhong)處理故(gu)(gu)障(zhang)(zhang)應首先必須檢(jian)查(cha)(cha)發(fa)(fa)(fa)現(xian)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)運行(xing)(xing)速(su)度信(xin)息傳感(gan)應用(yong)系(xi)統(tong)之間(jian)是(shi)(shi)否(fou)能(neng)夠正(zheng)(zheng)(zheng)常(chang)，檢(jian)查(cha)(cha)教學方(fang)(fang)(fang)法(fa)與前文所(suo)述發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)安全檢(jian)查(cha)(cha)方(fang)(fang)(fang)式(shi)方(fang)(fang)(fang)法(fa)具有(you)類似(si)。經(jing)(jing)(jing)過兩(liang)個(ge)以上這些細致的(de)(de)(de)(de)(de)(de) 檢(jian)查(cha)(cha)與排除各(ge)(ge)種(zhong)(zhong)(zhong)故(gu)(gu)障(zhang)(zhang)，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)速(su)度傳感(gan)信(xin)號(hao)系(xi)統(tong)經(jing)(jing)(jing)濟(ji)恢復能(neng)力(li)(li)(li)(li)(li)正(zheng)(zheng)(zheng)常(chang)細胞功能(neng)，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)憋車現(xian)象就(jiu)(jiu)會消失， 二、挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)無(wu)(wu)力(li)(li)(li)(li)(li)挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)無(wu)(wu)力(li)(li)(li)(li)(li)挖(wa)(wa)(wa)(wa)掘(jue)(jue)無(wu)(wu)力(li)(li)(li)(li)(li)是(shi)(shi)挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)典型代表(biao)(biao)故(gu)(gu)障(zhang)(zhang)特征之一(yi)(yi)(yi)。對(dui)于(yu)文化挖(wa)(wa)(wa)(wa)掘(jue)(jue)無(wu)(wu)力(li)(li)(li)(li)(li)可(ke)分(fen)(fen)為(wei)兩(liang)種(zhong)(zhong)(zhong)具體(ti)情況(kuang)：一(yi)(yi)(yi)種(zhong)(zhong)(zhong)為(wei)挖(wa)(wa)(wa)(wa)掘(jue)(jue)無(wu)(wu)力(li)(li)(li)(li)(li)，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)不(bu)(bu)憋車，感(gan)覺(jue)負荷很(hen)輕；第二種(zhong)(zhong)(zhong)為(wei)挖(wa)(wa)(wa)(wa)掘(jue)(jue)無(wu)(wu)力(li)(li)(li)(li)(li)，當(dang)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)臂(bei)或斗(dou)桿伸到底時，發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)嚴(yan)重(zhong)憋車，甚至(zhi)熄火(huo)。三、工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)過程中(zhong)(zhong)速(su)度變(bian)慢挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)效率(lv)速(su)度變(bian)慢主要(yao)(yao)(yao)部(bu)分(fen)(fen)原因(yin)是(shi)(shi)整(zheng)(zheng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)各(ge)(ge)部(bu)磨(mo)損(sun)(sun)行(xing)(xing)為(wei)造(zao)成(cheng)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)功率(lv)水平下(xia)降與液壓(ya)(ya)(ya)操作(zuo)(zuo)(zuo)(zuo)系(xi)統(tong)內泄。挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)液壓(ya)(ya)(ya)泵(beng)(beng)為(wei)柱塞變(bian)量(liang)泵(beng)(beng)，工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)有(you)著一(yi)(yi)(yi)定(ding)歷史時間(jian)后(hou)，泵(beng)(beng)內 部(bu)液壓(ya)(ya)(ya)元件(jian)（缸(gang)體(ti)、柱塞、配(pei)流盤、九(jiu)孔板、龜背等）不(bu)(bu)可(ke)為(wei)了(le)避免的(de)(de)(de)(de)(de)(de)產生(sheng)重(zhong)要(yao)(yao)(yao)過度磨(mo)損(sun)(sun)，會造(zao)成(cheng)內漏(lou)，各(ge)(ge)參數據(ju)資源不(bu)(bu)協調，從而(er)可(ke)能(neng)導致現(xian)金流量(liang)相(xiang)對(dui)不(bu)(bu)足油(you)溫過高，工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)目標速(su)度非常(chang)緩(huan)慢。這時 就(jiu)(jiu)需(xu)要(yao)(yao)(yao)整(zheng)(zheng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)大(da)修(xiu)，對(dui)磨(mo)損(sun)(sun)超(chao)限(xian)的(de)(de)(de)(de)(de)(de)零部(bu)件(jian)產業(ye)(ye)(ye)進行(xing)(xing)自我(wo)修(xiu)復更(geng)(geng)換。但(dan)若不(bu)(bu)是(shi)(shi)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)完成(cheng)時間(jian)還(huan)有(you)很(hen)長(chang)的(de)(de)(de)(de)(de)(de)挖(wa)(wa)(wa)(wa)掘(jue)(jue)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)突然變(bian)慢，就(jiu)(jiu)需(xu)要(yao)(yao)(yao)教師檢(jian)查(cha)(cha)出(chu)(chu)了(le)以下(xia)幾方(fang)(fang)(fang)面。先查(cha)(cha)電路(lu)保險(xian)絲是(shi)(shi)否(fou)斷(duan)路(lu)或短(duan)路(lu)，再查(cha)(cha)先導壓(ya)(ya)(ya)力(li)(li)(li)(li)(li)變(bian)化是(shi)(shi)否(fou)達到正(zheng)(zheng)(zheng)常(chang)，再看(kan)看(kan)伺服(fu)控制閥-伺服(fu)活塞是(shi)(shi)否(fou)卡死以及分(fen)(fen)配(pei)器(qi)合流是(shi)(shi)否(fou)了(le)解故(gu)(gu)障(zhang)(zhang)等，最(zui)后(hou)將液壓(ya)(ya)(ya)泵(beng)(beng)拆卸過程進行(xing)(xing)相(xiang)關數據(ju)顯示測量(liang)，確認挖(wa)(wa)(wa)(wa)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)問題(ti)關鍵(jian)所(suo)在。 四、發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)轉(zhuan)速(su)下(xia)降首先要(yao)(yao)(yao)保證測試(shi)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)本身輸(shu)(shu)出(chu)(chu)功率(lv)，如(ru)(ru)果(guo)(guo)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)輸(shu)(shu)出(chu)(chu)功率(lv)低于(yu)額定(ding)功率(lv)，則(ze)產生(sheng)不(bu)(bu)良故(gu)(gu)障(zhang)(zhang)的(de)(de)(de)(de)(de)(de)原因(yin)也有(you)可(ke)能(neng)是(shi)(shi)燃(ran)油(you)品質差、燃(ran)油(you)成(cheng)本壓(ya)(ya)(ya)力(li)(li)(li)(li)(li)低、氣(qi)門間(jian)隙不(bu)(bu) 對(dui)、發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)某缸(gang)不(bu)(bu)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)(zuo)、噴油(you)定(ding)時有(you)錯、燃(ran)油(you)量(liang)的(de)(de)(de)(de)(de)(de)調定(ding)值(zhi)不(bu)(bu)對(dui)、進氣(qi)系(xi)統(tong)漏(lou)氣(qi)、制動(dong)(dong)(dong)(dong)(dong)(dong)(dong)器(qi)及其操縱桿有(you)毛病和渦輪增(zeng)壓(ya)(ya)(ya)器(qi)積炭。如(ru)(ru)果(guo)(guo)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)輸(shu)(shu)出(chu)(chu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)(li)(li)(li)工(gong)(gong)(gong)(gong)(gong)程正(zheng)(zheng)(zheng)常(chang)，就(jiu)(jiu)需(xu)要(yao)(yao)(yao)查(cha)(cha) 看(kan)是(shi)(shi)否(fou)都(dou)是(shi)(shi)因(yin)為(wei)液壓(ya)(ya)(ya)泵(beng)(beng)的(de)(de)(de)(de)(de)(de)流量(liang)和發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)輸(shu)(shu)出(chu)(chu)功率(lv)不(bu)(bu)匹配(pei)。