
威(wei)海力建液壓(ya)設備廠
經營模(mo)式(shi):生(sheng)產(chan)加工(gong)
地址:山東省威海市羊亭孫家灘工業園
主營(ying):液壓缸(gang),油(you)缸(gang),液壓系統
業務熱線:
QQ:3049278720
對(dui)于一些(xie)較為簡(jian)單的故障,可以(yi)通(tong)過眼看、手(shou)模、耳聽(ting)和嗅聞等(deng)手(shou)段對(dui)零部件(jian)進行檢查。
例如,通(tong)過(guo)視(shi)覺檢查能發現(xian)(xian)諸如裂(lie)縫、漏油(you)、松脫和(he)變形(xing)等故障(zhang)想(xiang)象,從而可及時(shi)(shi)地(di)維修或更(geng)換配件;用手握住油(you)管(guan)(特別是膠管(guan)),當有壓力(li)油(you)流過(guo)時(shi)(shi)會(hui)有振動地(di)感覺,而無油(you)液流過(guo)或壓力(li)過(guo)低時(shi)(shi)則沒有這種現(xian)(xian)象。
另外,手摸還可用于判斷帶有機(ji)械傳動部件地液壓(ya)元件潤滑情況是(shi)否良(liang)好,用手感(gan)覺一(yi)下元件殼體(ti)溫度地變(bian)化,若元件殼體(ti)過熱,則說明潤滑不良(liang);
耳聽可以判(pan)斷機(ji)械零部件(jian)(jian)損壞(huai)造(zao)成的(de)故(gu)障點(dian)和(he)損壞(huai)程度(du),如液壓泵吸空、溢流閥開啟、元(yuan)件(jian)(jian)發(fa)卡等(deng)故(gu)障都會發(fa)出如水的(de)沖擊(ji)聲(sheng)或“水錘聲(sheng)”等(deng)異常響(xiang)聲(sheng);有(you)些部件(jian)(jian)會由于過熱、潤滑(hua)不良和(he)氣蝕等(deng)原(yuan)因(yin)而(er)發(fa)出異味,通(tong)過嗅(xiu)聞可以判(pan)斷出故(gu)障點(dian)。
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.減(jian)少沖(chong)(chong)擊和振動。為了(le)減(jian)少承受沖(chong)(chong)擊和振動的管接頭松動引起的泄漏(lou),可以采取(qu)以下(xia)措施(shi):
(1)使用減震支架固(gu)定(ding)所有管子以便吸收沖(chong)擊(ji)和振動;
(2)使用(yong)低沖擊(ji)閥或蓄能器(qi)來(lai)減少沖擊(ji);
(3)適當布置壓力控制閥來(lai)保護系(xi)統的所有元件(jian);
(4)盡量減少管接頭(tou)的(de)使用(yong)數量,管接頭(tou)盡量用(yong)焊接連(lian)接;
(5)使用直螺紋(wen)接(jie)頭,三通接(jie)頭和彎頭代(dai)替錐管螺紋(wen)接(jie)頭;
(6)盡量用回油塊代(dai)替各個配管;
(7)針對使用的高(gao)壓力,規定(ding)安(an)裝時使用螺栓(shuan)的扭矩和堵(du)頭(tou)扭矩,防(fang)止結合面和密(mi)封件被(bei)蠶食;
(8)正確安裝(zhuang)管接頭
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拆卸液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)箱(xiang)加(jia)油(you)(you)蓋(gai)、濾(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)蓋(gai)、檢測孔、液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)管等部(bu)位(wei),造(zao)成系統油(you)(you)道暴露時(shi)(shi)要避開揚(yang)塵,拆卸部(bu)位(wei)要先(xian)清(qing)(qing)(qing)(qing)潔(jie)后(hou)才(cai)能(neng)打(da)開。如拆卸液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)箱(xiang)加(jia)油(you)(you)蓋(gai)時(shi)(shi),先(xian)除去油(you)(you)箱(xiang)蓋(gai)四周(zhou)的泥土,擰油(you)(you)箱(xiang)蓋(gai)后(hou),清(qing)(qing)(qing)(qing)除殘留在接合部(bu)位(wei)的雜物(不(bu)(bu)能(neng)用(yong)水(shui)沖洗以免水(shui)滲入油(you)(you)箱(xiang)),確認(ren)清(qing)(qing)(qing)(qing)潔(jie)后(hou)才(cai)能(neng)打(da)開油(you)(you)箱(xiang)蓋(gai)。如需(xu)使(shi)用(yong)擦(ca)(ca)拭(shi)材(cai)料和鐵(tie)錘時(shi)(shi),應選(xuan)擇不(bu)(bu)掉(diao)纖維雜質的擦(ca)(ca)拭(shi)材(cai)料和擊打(da)面(mian)附(fu)著橡膠(jiao)的鐵(tie)錘。液(ye)壓(ya)(ya)(ya)(ya)元(yuan)件、液(ye)壓(ya)(ya)(ya)(ya)膠(jiao)管要認(ren)真清(qing)(qing)(qing)(qing)洗,用(yong)高(gao)壓(ya)(ya)(ya)(ya)風吹(chui)干后(hou)組裝(zhuang)。選(xuan)用(yong)包裝(zhuang)完好(hao)(hao)的濾(lv)芯(內包裝(zhuang)損壞,雖然(ran)濾(lv)芯完好(hao)(hao),也可能(neng)不(bu)(bu)潔(jie))。換(huan)油(you)(you)時(shi)(shi)同時(shi)(shi)清(qing)(qing)(qing)(qing)洗濾(lv)清(qing)(qing)(qing)(qing)器(qi)(qi),安裝(zhuang)濾(lv)芯前(qian)應用(yong)擦(ca)(ca)拭(shi)材(cai)料認(ren)真清(qing)(qing)(qing)(qing)潔(jie)濾(lv)清(qing)(qing)(qing)(qing)器(qi)(qi)殼(ke)內底部(bu)污物。
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