
威(wei)海力建液壓設備廠
經營(ying)模式:生產加工
地址:山東省威海市羊亭孫家灘工(gong)業園
主(zhu)營:液壓缸(gang),油缸(gang),液壓系(xi)統(tong)
業務熱線(xian):
QQ:3049278720
液壓缸結構(gou)基本上可以分為缸筒和(he)(he)缸蓋、活塞和(he)(he)活塞桿、密封(feng)裝(zhuang)置(zhi)、緩沖裝(zhuang)置(zhi)和(he)(he)排氣裝(zhuang)置(zhi)五個部分。今(jin)天威海力建小編(bian)著重(zhong)帶著大家(jia)了解一下缸筒和(he)(he)缸蓋。
缸(gang)筒和(he)缸(gang)蓋(gai)
一般來說,缸筒(tong)和(he)缸蓋的(de)(de)結(jie)構(gou)(gou)形(xing)(xing)式(shi)(shi)(shi)和(he)其(qi)使(shi)(shi)用(yong)(yong)的(de)(de)材(cai)料(liao)有(you)關。工(gong)(gong)(gong)作壓(ya)力p<10MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)鑄(zhu)(zhu)鐵;p<20MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)無縫(feng)(feng)鋼(gang)管(guan)(guan);p>20MPa時(shi)(shi),使(shi)(shi)用(yong)(yong)鑄(zhu)(zhu)鋼(gang)或(huo)鍛(duan)鋼(gang)。法蘭連(lian)接式(shi)(shi)(shi),結(jie)構(gou)(gou)簡單,容易加(jia)工(gong)(gong)(gong),也容易裝(zhuang)(zhuang)拆,但外形(xing)(xing)尺(chi)寸(cun)和(he)重量都較(jiao)大,常(chang)(chang)用(yong)(yong)于鑄(zhu)(zhu)鐵制的(de)(de)缸筒(tong)上。半環連(lian)接式(shi)(shi)(shi),它(ta)的(de)(de)缸筒(tong)壁部因(yin)開了環形(xing)(xing)槽而(er)削弱(ruo)了強度,為此有(you)時(shi)(shi)要加(jia)厚缸壁,它(ta)容易加(jia)工(gong)(gong)(gong)和(he)裝(zhuang)(zhuang)拆,重量較(jiao)輕,常(chang)(chang)用(yong)(yong)于無縫(feng)(feng)鋼(gang)管(guan)(guan)或(huo)鍛(duan)鋼(gang)制的(de)(de)缸筒(tong)上。螺(luo)紋連(lian)接式(shi)(shi)(shi),它(ta)的(de)(de)缸筒(tong)端部結(jie)構(gou)(gou)復雜(za),外徑加(jia)工(gong)(gong)(gong)時(shi)(shi)要求保證(zheng)內外徑同心(xin),裝(zhuang)(zhuang)拆要使(shi)(shi)用(yong)(yong)工(gong)(gong)(gong)具,它(ta)的(de)(de)外形(xing)(xing)尺(chi)寸(cun)和(he)重量都較(jiao)小,常(chang)(chang)用(yong)(yong)于無縫(feng)(feng)鋼(gang)管(guan)(guan)或(huo)鑄(zhu)(zhu)鋼(gang)制的(de)(de)缸筒(tong)上。拉桿(gan)連(lian)接式(shi)(shi)(shi),結(jie)構(gou)(gou)的(de)(de)通用(yong)(yong)性(xing)大,容易加(jia)工(gong)(gong)(gong)和(he)裝(zhuang)(zhuang)拆,但外形(xing)(xing)尺(chi)寸(cun)較(jiao)大,且(qie)較(jiao)重。焊(han)接連(lian)接式(shi)(shi)(shi),結(jie)構(gou)(gou)簡單,尺(chi)寸(cun)小,但缸底(di)處內徑不易加(jia)工(gong)(gong)(gong),且(qie)可能引(yin)起(qi)變形(xing)(xing)。





② 運行(xing)中產生的異物
a.由于緩(huan)(huan)沖柱塞(sai)別勁而(er)形成的摩(mo)擦鐵(tie)粉(fen)或(huo)鐵(tie)屑。緩(huan)(huan)沖裝置的配合間隙(xi)很小,活塞(sai)桿上(shang)所受橫(heng)向載(zai)荷很大時,可(ke)能引起燒結現象(xiang)。這(zhe)些摩(mo)擦鐵(tie)粉(fen)或(huo)者因燒結而(er)產(chan)生的已脫落掉的金(jin)屬(shu)碎片將留(liu)在缸內(nei)。
b.缸(gang)壁內(nei)表(biao)面的(de)傷痕(hen)。活塞的(de)滑(hua)動表(biao)面壓力高,引起(qi)燒(shao)結現象,于(yu)是(shi)缸(gang)體內(nei)表(biao)面發生擠裂,被擠裂的(de)金屬(shu)脫(tuo)落(luo),留(liu)在缸(gang)內(nei),會造成傷痕(hen)。
③ 從管路進(jin)入的異物,有多種情(qing)況。
a.清(qing)洗(xi)時(shi)不注意。管(guan)路(lu)(lu)安(an)裝(zhuang)好以后進行清(qing)洗(xi)時(shi),不應通(tong)過缸體(ti),必須在缸體(ti)的油口(kou)前(qian)邊加(jia)裝(zhuang)旁通(tong)管(guan)路(lu)(lu)。這一點很(hen)重要(yao)。否則,管(guan)路(lu)(lu)中的異(yi)物將進入缸內,一旦進入,即(ji)難(nan)以向(xiang)外(wai)排(pai)除,反而(er)變成向(xiang)缸體(ti)內輸(shu)送(song)異(yi)物了。再(zai)者,清(qing)洗(xi)時(shi)要(yao)考(kao)慮(lv)安(an)裝(zhuang)管(guan)路(lu)(lu)操作(zuo)中所(suo)進異(yi)物的取出(chu)方法。此外(wai),對管(guan)內的腐蝕(shi)等(deng)在管(guan)路(lu)(lu)安(an)裝(zhuang)之前(qian)即(ji)應進行酸洗(xi)等(deng)手續,必須完(wan)全去掉銹(xiu)蝕(shi)。