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現代R225LC-9挖掘機發動機故障原因分析

2021/4/22

挖掘機(ji)維修(xiu)最(zui)重(zhong)要的(de)三個參數:操(cao)作重(zhong)量(liang)(質量(liang)),發動(dong)(dong)(dong)機(ji)(ji)(ji)功率和(he)鏟斗斗容。修理(li)挖(wa)掘機(ji)(ji)(ji)常(chang)見的(de)挖(wa)掘機(ji)(ji)(ji)結構(gou)包括,動(dong)(dong)(dong)力裝置(zhi),工作裝置(zhi),回轉機(ji)(ji)(ji)構(gou),操(cao)縱機(ji)(ji)(ji)構(gou),傳(chuan)動(dong)(dong)(dong)機(ji)(ji)(ji)構(gou),行走機(ji)(ji)(ji)構(gou)和(he)輔助設施等。挖(wa)掘機(ji)(ji)(ji)修理(li)最(zui)初(chu)挖(wa)掘機(ji)(ji)(ji)是手動(dong)(dong)(dong)的(de),從發明(ming)到現在已經有一百三十(shi)多年了(le),期間(jian)經歷了(le)由蒸(zheng)汽(qi)驅(qu)(qu)動(dong)(dong)(dong)斗回轉挖(wa)掘機(ji)(ji)(ji)到電(dian)力驅(qu)(qu)動(dong)(dong)(dong)和(he)內燃機(ji)(ji)(ji)驅(qu)(qu)動(dong)(dong)(dong)回轉挖(wa)掘機(ji)(ji)(ji)、應(ying)用機(ji)(ji)(ji)電(dian)液(ye)一體化(hua)技術的(de)全自動(dong)(dong)(dong)液(ye)壓挖(wa)掘機(ji)(ji)(ji)的(de)逐步發展過程(cheng)。

挖掘(jue)機再制造需要通(tong)過經驗豐富的維(wei)修(xiu)者在(zai)(zai)進行適當的程序以(yi)后來完成修(xiu)復工作,通(tong)過維(wei)修(xiu)人員的清洗(xi),保障(zhang)在(zai)(zai)其內部沒(mei)有污物。

挖掘機翻(fan)新(xin)在挖掘(jue)機的(de)(de)整體(ti)構造里,齒(chi)輪(lun)扮演(yan)著重要的(de)(de)角色,一旦挖掘(jue)機的(de)(de)齒(chi)輪(lun)表面出現(xian)裂痕,那么維(wei)修人員必須(xu)在第一時間修復齒(chi)輪(lun)。下車后關閉企(qi)業所有的(de)(de)用電(dian)(dian)(dian)器;前日行車時應(ying)注意(yi)對蓄電(dian)(dian)(dian)池(chi)提供充電(dian)(dian)(dian),待停車時蓄電(dian)(dian)(dian)池(chi)管理應(ying)是學生(sheng)充足電(dian)(dian)(dian)的(de)(de);對于提高蓄電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)壓低價格不能通(tong)過啟(qi)動(dong)的(de)(de)故(gu)障,可以換一組蓄電(dian)(dian)(dian)池(chi)技術或者需(xu)要并聯一組蓄電(dian)(dian)(dian)池(chi)啟(qi)動(dong)汽車發動(dong)機;

挖掘機(ji)發動機(ji)不啟動設備故障(zhang)分(fen)析(xi)排除研究方法:

①蓄電池輸出電壓比較低落是由于前日停車后沒有及時(shi)關(guan)閉車上用電器發展引起的,應(ying)注意。

②清理蓄(xu)電(dian)池接(jie)線柱,擰緊電(dian)源線接(jie)線夾子,使電(dian)源線與蓄(xu)電(dian)池接(jie)線柱可靠信息(xi)接(jie)觸;

③清理蓄電(dian)池接(jie)地(di)(di)線接(jie)地(di)(di)端,并使其町靠(kao)接(jie)地(di)(di);將(jiang)發動(dong)機安全(quan)可靠(kao)有效(xiao)接(jie)地(di)(di);

④維(wei)修(xiu)人員(yuan)更換項目啟動(dong)時間繼電器;

⑤檢(jian)(jian)查相(xiang)關(guan)(guan)維修點火開關(guan)(guan);檢(jian)(jian)查我(wo)們(men)維修啟動機;

⑥蓄電(dian)池正(zheng)常(chang)使用行為(wei)日久,可能有(you)這樣一個產(chan)品(pin)損(sun)壞(huai),使內阻變大(da),應定期組織維修蓄電(dian)池,并(bing)正(zheng)確(que)對蓄電(dian)池充(chong)(chong)電(dian);必要時(shi)換新一組蓄電(dian)池,并(bing)保持一種蓄電(dian)池充(chong)(chong)電(dian)能力充(chong)(chong)足,使發動(dong)(dong)機(ji)公司(si)能夠更加順利完(wan)成啟動(dong)(dong)挖掘(jue)(jue)機(ji)發動(dong)(dong)機(ji)冒黑煙|挖掘(jue)(jue)機(ji)發動(dong)(dong)機(ji)燒機(ji)油|挖掘(jue)(jue)機(ji)發動(dong)(dong)機(ji)產(chan)生廢氣大(da)|挖掘(jue)(jue)機(ji)發動(dong)(dong)機(ji)水(shui)溫(wen)高(gao)。

挖掘機(ji)發(fa)動機(ji)故障的(de)常(chang)見原因有(you):

(1)電池電壓低,充電不足;

(2)電(dian)池連接柱生銹或(huo)松(song)動(dong)(dong),導致(zhi)挖掘機發動(dong)(dong)機無法啟動(dong)(dong);

(3)電(dian)池接(jie)地線腐蝕(shi)或松動;發動機(ji)接(jie)地不良;

(4)啟動繼電(dian)器電(dian)樞無法拆卸,導致挖掘機發(fa)動機無法啟動故(gu)障。

現代R225LC-9挖掘機發動機故障原因分析

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