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挖掘機維修中加裝燃油濾清器系統的探討(ii)

2021/10/30


挖掘機(ji)(ji)(ji)(ji)維修(xiu)發(fa)動(dong)機(ji)(ji)(ji)(ji)黑煙(yan) | 挖掘機(ji)(ji)(ji)(ji)維修(xiu)發(fa)動(dong)機(ji)(ji)(ji)(ji)燃油(you) | 挖掘機(ji)(ji)(ji)(ji)維修(xiu)發(fa)動(dong)機(ji)(ji)(ji)(ji)廢氣 | 挖掘機(ji)(ji)(ji)(ji)維修(xiu)發(fa)動(dong)機(ji)(ji)(ji)(ji)水溫偏高,因此(ci)其左側主油(you)道處于未使用的(de)閑(xian)置位置,這個位置可作為添加燃料過濾器和加油(you)系統(tong)所需電源的(de)接口。挖(wa)掘機修理(li)最初挖(wa)掘(jue)機是(shi)手(shou)動的(de)(de),從發(fa)明到現在已(yi)經有一(yi)百三十多年了(le),期間經歷了(le)由蒸汽驅動斗回轉(zhuan)挖(wa)掘(jue)機到電力驅動和內燃(ran)機驅動回轉(zhuan)挖(wa)掘(jue)機、應用機電液一(yi)體化技(ji)術的(de)(de)全自(zi)動液壓挖(wa)掘(jue)機的(de)(de)逐步發(fa)展過程。維修(xiu)挖掘機第一臺液壓挖(wa)掘機(ji)由法國波克蘭工廠發明成功。由于液壓技術的應(ying)用,20世紀(ji)40年代有了在拖拉機(ji)上配裝液壓反(fan)鏟地懸掛式挖(wa)掘機(ji)。挖掘機(ji)維修最重要的(de)三個(ge)參數:操(cao)作(zuo)(zuo)重量(質(zhi)量),發(fa)(fa)動機(ji)(ji)(ji)功(gong)率和(he)鏟斗斗容。附(fu)圖顯示了附(fu)加燃料過(guo)濾(lv)(lv)(lv)器和(he)加油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)的(de)工(gong)作(zuo)(zuo)原(yuan)理(li)。該系(xi)統(tong)(tong)由泵(beng)油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)和(he)過(guo)濾(lv)(lv)(lv)油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)兩部分組成(cheng)。濾(lv)(lv)(lv)油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)的(de)工(gong)作(zuo)(zuo)原(yuan)理(li)總結如下: (1)在使用(yong)標準油(you)(you)(you)(you)(you)罐(guan)車運油(you)(you)(you)(you)(you)時(shi),由于其上有一個(ge)機(ji)(ji)(ji)械油(you)(you)(you)(you)(you)泵(beng)來(lai)泵(beng)油(you)(you)(you)(you)(you),因此,燃油(you)(you)(you)(you)(you)過(guo)濾(lv)(lv)(lv)和(he)加油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)的(de)泵(beng)油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)不必工(gong)作(zuo)(zuo),只(zhi)有濾(lv)(lv)(lv)油(you)(you)(you)(you)(you)系(xi)統(tong)(tong)參與工(gong)作(zuo)(zuo)。具體操(cao)作(zuo)(zuo): 操(cao)作(zuo)(zuo)換向閥11,連接電(dian)源加油(you)(you)(you)(you)(you)口泵(beng)的(de)燃油(you)(you)(you)(you)(you)通過(guo)電(dian)源加油(you)(you)(you)(you)(you)口,換向閥11泵(beng)到燃油(you)(you)(you)(you)(you)濾(lv)(lv)(lv)清(qing)器10后過(guo)濾(lv)(lv)(lv)進入主機(ji)(ji)(ji)燃油(you)(you)(you)(you)(you)箱發(fa)(fa)動機(ji)(ji)(ji)煙 | 維修(xiu)發(fa)(fa)動機(ji)(ji)(ji)燃油(you)(you)(you)(you)(you) | 挖掘(jue)機(ji)(ji)(ji)維修(xiu)發(fa)(fa)動機(ji)(ji)(ji)廢氣 | 挖掘(jue)機(ji)(ji)(ji)維修(xiu)發(fa)(fa)動機(ji)(ji)(ji)高水溫。

當用自制(zhi)的(de)簡(jian)易油(you)(you)罐(guan)車(che)或大鐵桶供油(you)(you)時,燃油(you)(you)過濾(lv)和(he)加油(you)(you)系統(tong)的(de)泵(beng)(beng)油(you)(you)系統(tong)和(he)濾(lv)油(you)(you)系統(tong)同時工作。具體(ti)來說(如圖):首先(xian)(xian)(xian)(xian),操作換(huan)向(xiang)閥(fa)(fa)(fa)11,打開從齒(chi)輪(lun)泵(beng)(beng)1到燃油(you)(you)濾(lv)清器10的(de)油(you)(you)路。然(ran)后,打開先(xian)(xian)(xian)(xian)導油(you)(you)開關(guan)閥(fa)(fa)(fa)4,操作先(xian)(xian)(xian)(xian)導閥(fa)(fa)(fa)5,來自主先(xian)(xian)(xian)(xian)導油(you)(you)路的(de)先(xian)(xian)(xian)(xian)導壓力(li)油(you)(you)向(xiang)右(you)移(yi)動3號(hao)動臂換(huan)向(xiang)閥(fa)(fa)(fa)的(de)滑閥(fa)(fa)(fa)。同時,打開液(ye)壓控(kong)(kong)制(zhi)開關(guan)閥(fa)(fa)(fa)7,3號(hao)液(ye)壓泵(beng)(beng)的(de)加壓油(you)(you)將(jiang)經(jing)過3號(hao)動臂換(huan)向(xiang)閥(fa)(fa)(fa)、先(xian)(xian)(xian)(xian)導減(jian)壓閥(fa)(fa)(fa)6、液(ye)壓控(kong)(kong)制(zhi)開關(guan)閥(fa)(fa)(fa)7的(de)左主油(you)(you)路,到達齒(chi)輪(lun)電機3,使其轉動,帶(dai)動齒(chi)輪(lun)泵(beng)(beng)1工作。通過進油(you)(you)粗濾(lv)網(wang)13從非動力(li)進油(you)(you)口(kou)吸入燃油(you)(you)后,燃油(you)(you)會以一定的(de)壓力(li)流動。

除了過濾加(jia)油(you)系統各元(yuan)件(jian)(jian)的固(gu)定支架、連接板和聯(lian)軸器(qi)外,還可(ke)以使用相應的標(biao)準件(jian)(jian)或可(ke)用的舊(jiu)件(jian)(jian)進行(xing)更換,然后(hou)選擇合適的安裝位置(zhi)。該系統可(ke)以解(jie)決施工現場(chang)各種條件(jian)(jian)限制(zhi)的燃油(you)清潔度問題,在任何情(qing)況下都能(neng)有效(xiao)地過濾附加(jia)燃油(you),同時大(da)大(da)降低了對油(you)罐車運油(you)的依賴,為機(ji)器(qi)的正常(chang)運行(xing)提供了保(bao)證(zheng),也(ye)可(ke)以給企業帶(dai)來可(ke)觀的經濟效(xiao)益。

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