
威(wei)海(hai)力建液壓設備廠
經營模式(shi):生產加工(gong)
地址:山東省(sheng)威海市羊亭孫家灘工業(ye)園
主營:液壓(ya)缸,油缸,液壓(ya)系統
業務熱線:
QQ:3049278720
對(dui)機械化(hua)施(shi)工(gong)(gong)企業來說,工(gong)(gong)程(cheng)機械技(ji)(ji)術狀(zhuang)況的(de)(de)(de)良(liang)好(hao)(hao)與否是(shi)企業能否正(zheng)常生(sheng)產的(de)(de)(de)直接因素。就液(ye)(ye)壓(ya)傳動的(de)(de)(de)工(gong)(gong)程(cheng)機械而言(yan),液(ye)(ye)壓(ya)系(xi)統的(de)(de)(de)正(zheng)常運(yun)(yun)行(xing)是(shi)其良(liang)好(hao)(hao)技(ji)(ji)術狀(zhuang)況的(de)(de)(de)一個(ge)主要標(biao)志。合格的(de)(de)(de)液(ye)(ye)壓(ya)油是(shi)液(ye)(ye)壓(ya)系(xi)統可靠(kao)運(yun)(yun)行(xing)的(de)(de)(de)保障,正(zheng)確的(de)(de)(de)維(wei)護(hu)是(shi)液(ye)(ye)壓(ya)系(xi)統可靠(kao)運(yun)(yun)行(xing)的(de)(de)(de)根(gen)本。為此,本人根(gen)據工(gong)(gong)作(zuo)實踐,就一般作(zuo)業環(huan)境中工(gong)(gong)程(cheng)機械液(ye)(ye)壓(ya)系(xi)統的(de)(de)(de)維(wei)護(hu)作(zuo)一粗略的(de)(de)(de)探討(tao)。
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選擇(ze)適(shi)合的液壓油
液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)在液(ye)(ye)壓(ya)(ya)(ya)系統中(zhong)起著傳(chuan)遞壓(ya)(ya)(ya)力、潤滑(hua)、冷卻、密封的(de)(de)(de)(de)作用(yong)(yong),液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)選擇不(bu)(bu)恰當是液(ye)(ye)壓(ya)(ya)(ya)系統早(zao)期(qi)故障和(he)耐久性(xing)(xing)下降的(de)(de)(de)(de)主要原(yuan)因。應(ying)(ying)按(an)隨機《使(shi)用(yong)(yong)說明(ming)書(shu)》中(zhong)規定的(de)(de)(de)(de)牌(pai)號選擇液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you),特殊情況需要使(shi)用(yong)(yong)代用(yong)(yong)油(you)(you)(you)時,應(ying)(ying)力求(qiu)其(qi)性(xing)(xing)能(neng)(neng)與原(yuan)牌(pai)號性(xing)(xing)能(neng)(neng)相同。不(bu)(bu)同牌(pai)號的(de)(de)(de)(de)液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)不(bu)(bu)能(neng)(neng)混合使(shi)用(yong)(yong),以(yi)防液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)產生化學(xue)反應(ying)(ying)、性(xing)(xing)能(neng)(neng)發生變(bian)化。深褐色、乳白色、有異味(wei)的(de)(de)(de)(de)液(ye)(ye)壓(ya)(ya)(ya)油(you)(you)(you)是變(bian)質油(you)(you)(you),不(bu)(bu)能(neng)(neng)使(shi)用(yong)(yong)。





液(ye)壓(ya)站(zhan)又(you)稱為液(ye)壓(ya)泵(beng)(beng)(beng)站(zhan),系統元件主要(yao)是(shi)(shi)由液(ye)壓(ya)泵(beng)(beng)(beng)、液(ye)壓(ya)缸(gang)、液(ye)壓(ya)馬達、液(ye)壓(ya)閥等構成(cheng)的。液(ye)壓(ya)泵(beng)(beng)(beng)是(shi)(shi)液(ye)壓(ya)系統的心(xin)臟,簡稱油泵(beng)(beng)(beng)。在液(ye)壓(ya)系統中,一定至少有一個泵(beng)(beng)(beng)。液(ye)壓(ya)泵(beng)(beng)(beng)是(shi)(shi)一種(zhong)能量轉換裝置,它(ta)的作用是(shi)(shi)使(shi)液(ye)體發(fa)生(sheng)運動,把機械能轉換成(cheng)流(liu)體能(也叫做(zuo)液(ye)壓(ya)能)。液(ye)壓(ya)系統
泵(beng)是液壓(ya)傳動系(xi)統中(zhong)的動力元(yuan)件(jian),由(you)原動機(ji)(ji)驅動,從原動機(ji)(ji)的輸出功率中(zhong)取出機(ji)(ji)械能(neng),為系(xi)統提(ti)供壓(ya)力油液。然后,在需要(yao)做(zuo)功的場所,由(you)執行元(yuan)件(jian)(液壓(ya)缸或(huo)液壓(ya)馬達)再把流(liu)體壓(ya)力能(neng)轉(zhuan)換成機(ji)(ji)械能(neng)輸出。
液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)在液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)中(zhong)的工(gong)作(zuo)(zuo)方式(shi)(shi)是(shi)(shi)閥(fa)(fa)(fa)體和閥(fa)(fa)(fa)芯相對運動(dong),這種工(gong)作(zuo)(zuo)方式(shi)(shi)不可(ke)避免的就(jiu)(jiu)(jiu)是(shi)(shi)磨損。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)的閥(fa)(fa)(fa)體和閥(fa)(fa)(fa)芯進行(xing)相對運動(dong)的過程中(zhong),會(hui)不斷的摩擦,在工(gong)作(zuo)(zuo)一段時間后,液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)各元件之(zhi)間的尺(chi)寸、形狀、質量等發生變化,不再(zai)是(shi)(shi)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)原有的特性,在液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)工(gong)作(zuo)(zuo)中(zhong)就(jiu)(jiu)(jiu)會(hui)失效(xiao),出現故障。例如,在液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)中(zhong)的減壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)工(gong)作(zuo)(zuo)中(zhong),錐閥(fa)(fa)(fa)和閥(fa)(fa)(fa)座之(zhi)間因(yin)為(wei)長(chang)時間的摩擦、磨損,造成零件之(zhi)間的配合度不好,在液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)中(zhong),減壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)就(jiu)(jiu)(jiu)無法起到減壓(ya)(ya)(ya)(ya)(ya)的作(zuo)(zuo)用。