大連膠管在使用前,必須先把膠管內(nei)壁滑石(shi)粉吹除干凈(jing),防止焊割炬的(de)(de)通道被堵塞(sai)。在(zai)使用(yong)(yong)中(zhong)應避免受(shou)外界擠壓(ya)和機械損傷,也不得與上述影響膠(jiao)管(guan)質量(liang)的(de)(de)物(wu)質接觸,不得將管(guan)身折疊(die)。煤(mei)(mei)(mei)(mei)炭(tan)工(gong)業用(yong)(yong)油(you)(you)管(guan)主要有(you)液壓(ya)支架膠(jiao)管(guan)管(guan)。近年來,有(you)些煤(mei)(mei)(mei)(mei)礦(kuang)(kuang)液壓(ya)支架的(de)(de)壓(ya)力要求(qiu)(qiu)已經提(ti)高,一部分鋼絲編(bian)織(zhi)膠(jiao)管(guan)不能(neng)滿足其性(xing)能(neng)要求(qiu)(qiu),要求(qiu)(qiu)改用(yong)(yong)鋼絲纏繞油(you)(you)管(guan)。此外,為防止煤(mei)(mei)(mei)(mei)礦(kuang)(kuang)井下采(cai)煤(mei)(mei)(mei)(mei)過程中(zhong)煤(mei)(mei)(mei)(mei)塵污染(ran)和提(ti)高生(sheng)產安全性(xing),增加了煤(mei)(mei)(mei)(mei)礦(kuang)(kuang)用(yong)(yong)油(you)(you)管(guan)的(de)(de)品(pin)(pin)種,如煤(mei)(mei)(mei)(mei)層(ceng)探水封孔(kong)器伸縮油(you)(you)管(guan),用(yong)(yong)于煤(mei)(mei)(mei)(mei)礦(kuang)(kuang)井下工(gong)作面綜采(cai)前(qian)對煤(mei)(mei)(mei)(mei)層(ceng)進(jin)行注水、注漿等作業。據報道,國(guo)內(nei)已有(you)廠家生(sheng)產,并經十幾家煤(mei)(mei)(mei)(mei)礦(kuang)(kuang)試用(yong)(yong),可替代同(tong)類進(jin)口產品(pin)(pin)。膠(jiao)管(guan)膠(jiao)帶的(de)(de)發展,膠(jiao)管(guan)發展的(de)(de)重點是提(ti)升汽車用(yong)(yong)膠(jiao)管(guan)制造技術和產品(pin)(pin)性(xing)能(neng),填補(bu)國(guo)內(nei)高檔汽車用(yong)(yong)膠(jiao)管(guan)膠(jiao)帶的(de)(de)空(kong)白(bai)。加快高壓(ya)鋼絲編(bian)織(zhi)膠(jiao)管(guan)膠(jiao)帶和纏繞膠(jiao)管(guan)的(de)(de)更新(xin)換代速度(du),提(ti)高脈沖壽(shou)命。