液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)的(de)(de)(de)(de)(de)可靠運行(xing)變得更(geng)加突出(chu)和(he)(he)重(zhong)要(yao)，然而，由于(yu)液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)的(de)(de)(de)(de)(de)自然磨損和(he)(he)使用(yong)(yong)不當，液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)在使用(yong)(yong)中會出(chu)現(xian)各種(zhong)(zhong)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)。如何準確、及時地識(shi)別故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)位才(cai)是(shi)關鍵(jian)，接下來(lai)簡(jian)(jian)單講一(yi)(yi)下。1，簡(jian)(jian)單液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)排除(chu)目前，蚌埠液壓(ya)(ya)(ya)排澇泵車，對(dui)于(yu)液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)來(lai)說，一(yi)(yi)種(zhong)(zhong)方(fang)(fang)便(bian)而通(tong)用(yong)(yong)的(de)(de)(de)(de)(de)方(fang)(fang)法是(shi)基于(yu)維護人員的(de)(de)(de)(de)(de)個人經驗，使用(yong)(yong)簡(jian)(jian)單的(de)(de)(de)(de)(de)儀(yi)器(qi)，并(bing)(bing)客觀地遵循所謂的(de)(de)(de)(de)(de)“望-聞-問(wen)-切(qie)”過(guo)(guo)(guo)程(cheng)，液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)檢(jian)查(cha)過(guo)(guo)(guo)程(cheng)可以(yi)在液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)的(de)(de)(de)(de)(de)工作狀(zhuang)態(tai)或(huo)非工作狀(zhuang)態(tai)下進(jin)行(xing)。2，通(tong)過(guo)(guo)(guo)邏輯分析診斷(duan)液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)有兩(liang)種(zhong)(zhong)情況，對(dui)于(yu)相對(dui)簡(jian)(jian)單的(de)(de)(de)(de)(de)水(shui)電站(zhan)(zhan)，可以(yi)根據故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)現(xian)象正確分析和(he)(he)排除(chu)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)原因(yin)。對(dui)于(yu)較為復(fu)雜的(de)(de)(de)(de)(de)液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)，通(tong)常(chang)可以(yi)根據控制油路和(he)(he)主(zhu)油路進(jin)行(xing)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)分析，并(bing)(bing)逐一(yi)(yi)排除(chu)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)。3，儀(yi)器(qi)的(de)(de)(de)(de)(de)特殊檢(jian)驗方(fang)(fang)法適用(yong)(yong)于(yu)一(yi)(yi)些重(zhong)要(yao)的(de)(de)(de)(de)(de)液壓(ya)(ya)(ya)設備。通(tong)過(guo)(guo)(guo)對(dui)相關系統參數(shu)(如壓(ya)(ya)(ya)力(li)(li)、流(liu)量、溫升、噪聲(sheng)等)的(de)(de)(de)(de)(de)定(ding)量專項檢(jian)查(cha)。它為故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)排除(chu)提供了可靠的(de)(de)(de)(de)(de)基礎。還(huan)可以(yi)使用(yong)(yong)的(de)(de)(de)(de)(de)儀(yi)器(qi)和(he)(he)儀(yi)表對(dui)液壓(ya)(ya)(ya)動(dong)(dong)力(li)(li)站(zhan)(zhan)進(jin)行(xing)檢(jian)查(cha)并(bing)(bing)排除(chu)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)。

當液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)(dong)力(li)(li)站(zhan)用(yong)作供油單(dan)元時，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)(dong)力(li)(li)站(zhan)通(tong)過外部(bu)管道(dao)系(xi)(xi)統(tong)(tong)連接到多個液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)缸(gang)，以(yi)(yi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)多組閥(fa)(fa)的(de)(de)動(dong)(dong)(dong)(dong)作，這是一(yi)個封閉(bi)的(de)(de)電源(yuan)系(xi)(xi)統(tong)(tong)，包括油箱(xiang)、油泵和(he)(he)(he)蓄(xu)能器(qi)(qi)(qi)。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)(dong)力(li)(li)站(zhan)的(de)(de)油站(zhan)可(ke)配備可(ke)編程序控(kong)(kong)(kong)(kong)制(zhi)(zhi)器(qi)(qi)(qi)(PLC)控(kong)(kong)(kong)(kong)制(zhi)(zhi)系(xi)(xi)統(tong)(tong)，控(kong)(kong)(kong)(kong)制(zhi)(zhi)所有(you)內(nei)部(bu)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)功能，并(bing)產生信號與(yu)控(kong)(kong)(kong)(kong)制(zhi)(zhi)室交換。諸(zhu)如液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)伺服閥(fa)(fa)的(de)(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)元件(jian)直接安裝在(zai)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)缸(gang)上，高壓(ya)(ya)(ya)(ya)油通(tong)過控(kong)(kong)(kong)(kong)制(zhi)(zhi)元件(jian)壓(ya)(ya)(ya)(ya)入(ru)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)缸(gang)或從液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)缸(gang)排出。在(zai)運行(xing)狀態下，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)執(zhi)行(xing)器(qi)(qi)(qi)由電磁閥(fa)(fa)控(kong)(kong)(kong)(kong)制(zhi)(zhi)，系(xi)(xi)統(tong)(tong)指令信號啟動(dong)(dong)(dong)(dong)電磁閥(fa)(fa)，控(kong)(kong)(kong)(kong)制(zhi)(zhi)蓄(xu)能器(qi)(qi)(qi)的(de)(de)油壓(ya)(ya)(ya)(ya)和(he)(he)(he)能量(liang)釋(shi)放，從而控(kong)(kong)(kong)(kong)制(zhi)(zhi)油缸(gang)的(de)(de)滑閥(fa)(fa)，通(tong)過機(ji)械傳(chuan)動(dong)(dong)(dong)(dong)機(ji)構驅動(dong)(dong)(dong)(dong)閥(fa)(fa)門實現快速關閉(bi)、正常(chang)啟閉(bi)和(he)(he)(he)測(ce)試(shi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)。高壓(ya)(ya)(ya)(ya)缸(gang)可(ke)以(yi)(yi)固(gu)定在(zai)閥(fa)(fa)桿(gan)上，也可(ke)以(yi)(yi)直接用(yong)作致動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)。多余的(de)(de)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油返回液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)(dong)力(li)(li)站(zhan)，使得管道(dao)系(xi)(xi)統(tong)(tong)可(ke)以(yi)(yi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)與(yu)回流管和(he)(he)(he)回流管并(bing)聯的(de)(de)多個閥(fa)(fa)。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)(dong)力(li)(li)站(zhan)采用(yong)特殊驅動(dong)(dong)(dong)(dong)技術的(de)(de)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動(dong)(dong)(dong)(dong)力(li)(li)站(zhan)用(yong)于控(kong)(kong)(kong)(kong)制(zhi)(zhi)主蒸汽(qi)閥(fa)(fa)執(zhi)行(xing)器(qi)(qi)(qi)和(he)(he)(he)汽(qi)輪機(ji)旁路(lu)系(xi)(xi)統(tong)(tong)的(de)(de)動(dong)(dong)(dong)(dong)作。功率單(dan)元針對廣泛(fan)的(de)(de)應用(yong)進行(xing)了優(you)化。例如，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)發(fa)電站(zhan)可(ke)用(yong)于惡劣環(huan)境中的(de)(de)卡車(che)操作，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)排澇泵車(che)定制(zhi)(zhi)，或長期重載駕駛條(tiao)件(jian)，以(yi)(yi)及其(qi)他需要和(he)(he)(he)高質(zhi)量(liang)產品(pin)的(de)(de)應用(yong)。

液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動力(li)(li)站中(zhong)流量(liang)出現異常的(de)(de)(de)主要表(biao)現有(you)：　　（l）因(yin)(yin)過(guo)濾(lv)(lv)(lv)器堵塞(sai)等原因(yin)(yin)，使液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng)供(gong)油(you)(you)不(bu)(bu)足，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動力(li)(li)站缺油(you)(you)，導(dao)致工(gong)作機(ji)構動作緩慢或(huo)不(bu)(bu)動作，造(zao)成執行機(ji)構運動失靈甚至(zhi)失控。　　（2）液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)泵(beng)、液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)缸(gang)、液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)閥(fa)或(huo)壓(ya)(ya)(ya)(ya)力(li)(li)管(guan)(guan)路等處的(de)(de)(de)泄漏(lou)，不(bu)(bu)僅白白增大(da)(da)耗(hao)油(you)(you)量(liang)，而且造(zao)成工(gong)作壓(ya)(ya)(ya)(ya)力(li)(li)上(shang)不(bu)(bu)去，使工(gong)作機(ji)構輸出力(li)(li)不(bu)(bu)足，泄漏(lou)嚴重時甚至(zhi)形(xing)成不(bu)(bu)了壓(ya)(ya)(ya)(ya)力(li)(li)。　　（3）流量(liang)的(de)(de)(de)頻繁波動加劇了系統(tong)的(de)(de)(de)振(zhen)動和(he)噪聲，同時使過(guo)濾(lv)(lv)(lv)器的(de)(de)(de)過(guo)濾(lv)(lv)(lv)性能(neng)(neng)(neng)大(da)(da)幅度(du)降低，結果油(you)(you)液(ye)(ye)(ye)的(de)(de)(de)污(wu)染度(du)不(bu)(bu)能(neng)(neng)(neng)控制在預定的(de)(de)(de)水平(ping)(ping)內(nei)，嚴重威脅液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動力(li)(li)站的(de)(de)(de)正常運行。當流量(liang)脈動較(jiao)大(da)(da)時，將引(yin)起(qi)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)沖擊，這是某(mou)些液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)設備(bei)損壞的(de)(de)(de)主要原因(yin)(yin)。　　（4）當液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)動力(li)(li)站中(zhong)某(mou)些元(yuan)件(jian)的(de)(de)(de)泄漏(lou)量(liang)過(guo)大(da)(da)時，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)的(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)能(neng)(neng)(neng)轉化(hua)(hua)為熱(re)能(neng)(neng)(neng)。若散熱(re)裝置容(rong)量(liang)有(you)限或(huo)者散熱(re)不(bu)(bu)良時，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)排澇(lao)泵(beng)車(che)(che)廠(chang)商，則液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)的(de)(de)(de)平(ping)(ping)衡(heng)溫(wen)度(du)升高(gao)，液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)排澇(lao)泵(beng)車(che)(che)報價，造(zao)成短(duan)時間內(nei)油(you)(you)溫(wen)過(guo)高(gao)，油(you)(you)的(de)(de)(de)粘度(du)下降，進一(yi)步增加了泄漏(lou)，導(dao)致容(rong)積效率及整個系統(tong)效率顯著降低，并(bing)造(zao)成橡膠密封(feng)件(jian)、軟管(guan)(guan)等早期老(lao)化(hua)(hua)，喪失機(ji)能(neng)(neng)(neng)。