
威(wei)海力建(jian)液壓設備廠
經營(ying)模式:生(sheng)產加工
地址(zhi):山(shan)東省威海市羊亭(ting)孫家灘(tan)工業園(yuan)
主營:液壓(ya)(ya)缸(gang),油(you)缸(gang),液壓(ya)(ya)系(xi)統
業務熱線:
QQ:3049278720
在(zai)維修(xiu)現場缺乏診斷儀器或(huo)被查元件(jian)(jian)(jian)(jian)比(bi)較精密不宜拆(chai)開(kai)時,應(ying)采用(yong)此法。先將懷疑出現故障地(di)元件(jian)(jian)(jian)(jian)拆(chai)下(xia),換上(shang)新件(jian)(jian)(jian)(jian)或(huo)其他機器上(shang)工作正(zheng)常(chang)、同(tong)型號的元件(jian)(jian)(jian)(jian)進(jin)行(xing)試驗,看故障能(neng)否排(pai)除即可(ke)作出診斷。
用對換診斷法(fa)檢查故障,盡(jin)管受到結構、現場元件儲備或(huo)拆(chai)卸不便等(deng)因(yin)素的限制,操作(zuo)起來也可能比較(jiao)麻煩,但對于如(ru)平(ping)衡閥(fa)(fa)、溢流閥(fa)(fa)、單向(xiang)閥(fa)(fa)之類的體(ti)積小(xiao)、易(yi)拆(chai)裝的元件,采用此法(fa)還是較(jiao)方(fang)便的。
對(dui)(dui)換診斷法可(ke)以避免因盲目拆(chai)卸而導致液(ye)壓元(yuan)件的性能(neng)(neng)(neng)降低。對(dui)(dui)故障如果不用對(dui)(dui)換法檢查,而直(zhi)接拆(chai)下可(ke)能(neng)(neng)(neng)壞了的主安全閥并(bing)對(dui)(dui)其進行拆(chai)解,若該(gai)元(yuan)件無問題,裝復后有可(ke)能(neng)(neng)(neng)會(hui)影響其性能(neng)(neng)(neng)。
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拆(chai)卸(xie)液(ye)(ye)壓(ya)油(you)(you)箱(xiang)(xiang)加油(you)(you)蓋(gai)、濾(lv)清(qing)(qing)(qing)器(qi)蓋(gai)、檢(jian)測孔、液(ye)(ye)壓(ya)油(you)(you)管等部(bu)(bu)位(wei),造成系(xi)統油(you)(you)道暴露時要(yao)(yao)避開(kai)揚塵,拆(chai)卸(xie)部(bu)(bu)位(wei)要(yao)(yao)先清(qing)(qing)(qing)潔后(hou)(hou)才能打(da)開(kai)。如拆(chai)卸(xie)液(ye)(ye)壓(ya)油(you)(you)箱(xiang)(xiang)加油(you)(you)蓋(gai)時,先除去油(you)(you)箱(xiang)(xiang)蓋(gai)四周(zhou)的泥土,擰油(you)(you)箱(xiang)(xiang)蓋(gai)后(hou)(hou),清(qing)(qing)(qing)除殘留在接合部(bu)(bu)位(wei)的雜物(wu)(不能用水沖洗以免水滲入(ru)油(you)(you)箱(xiang)(xiang)),確認清(qing)(qing)(qing)潔后(hou)(hou)才能打(da)開(kai)油(you)(you)箱(xiang)(xiang)蓋(gai)。如需使用擦拭(shi)材(cai)(cai)料和(he)鐵(tie)錘時,應選(xuan)(xuan)擇不掉纖(xian)維雜質的擦拭(shi)材(cai)(cai)料和(he)擊(ji)打(da)面(mian)附著橡膠(jiao)(jiao)的鐵(tie)錘。液(ye)(ye)壓(ya)元件、液(ye)(ye)壓(ya)膠(jiao)(jiao)管要(yao)(yao)認真清(qing)(qing)(qing)洗,用高壓(ya)風(feng)吹干后(hou)(hou)組(zu)裝(zhuang)。選(xuan)(xuan)用包裝(zhuang)完(wan)好的濾(lv)芯(xin)(內包裝(zhuang)損壞(huai),雖然濾(lv)芯(xin)完(wan)好,也(ye)可能不潔)。換油(you)(you)時同時清(qing)(qing)(qing)洗濾(lv)清(qing)(qing)(qing)器(qi),安裝(zhuang)濾(lv)芯(xin)前應用擦拭(shi)材(cai)(cai)料認真清(qing)(qing)(qing)潔濾(lv)清(qing)(qing)(qing)器(qi)殼(ke)內底(di)部(bu)(bu)污物(wu)。
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液(ye)(ye)壓(ya)(ya)(ya)站又稱(cheng)為液(ye)(ye)壓(ya)(ya)(ya)泵站,系(xi)統元件主要是(shi)由(you)液(ye)(ye)壓(ya)(ya)(ya)泵、液(ye)(ye)壓(ya)(ya)(ya)缸、液(ye)(ye)壓(ya)(ya)(ya)馬(ma)達、液(ye)(ye)壓(ya)(ya)(ya)閥(fa)等構(gou)成的。液(ye)(ye)壓(ya)(ya)(ya)泵是(shi)液(ye)(ye)壓(ya)(ya)(ya)系(xi)統的心(xin)臟,簡稱(cheng)油泵。在液(ye)(ye)壓(ya)(ya)(ya)系(xi)統中,一定(ding)至少有一個泵。液(ye)(ye)壓(ya)(ya)(ya)泵是(shi)一種(zhong)能量轉(zhuan)換裝置,它的作用(yong)是(shi)使液(ye)(ye)體發(fa)生運動,把(ba)機械能轉(zhuan)換成流(liu)體能(也(ye)叫做液(ye)(ye)壓(ya)(ya)(ya)能)。液(ye)(ye)壓(ya)(ya)(ya)系(xi)統
泵是液壓傳動(dong)(dong)(dong)系(xi)統(tong)中的動(dong)(dong)(dong)力元(yuan)件,由原(yuan)(yuan)動(dong)(dong)(dong)機驅動(dong)(dong)(dong),從原(yuan)(yuan)動(dong)(dong)(dong)機的輸(shu)出功率中取出機械能(neng),為系(xi)統(tong)提(ti)供壓力油液。然后,在需要做功的場所,由執(zhi)行元(yuan)件(液壓缸或液壓馬達)再把流體壓力能(neng)轉換成(cheng)機械能(neng)輸(shu)出。