
威(wei)海力建液壓設備廠
經營模(mo)式:生產加工
地址(zhi):山東省威海市羊亭孫家灘工業園
主(zhu)營:液壓缸,油缸,液壓系統
業務熱線:
QQ:3049278720
液壓(ya)缸(gang)結(jie)構基本上可(ke)以分(fen)為缸(gang)筒(tong)和缸(gang)蓋、活塞和活塞桿、密(mi)封裝(zhuang)置(zhi)、緩沖裝(zhuang)置(zhi)和排氣裝(zhuang)置(zhi)五個部分(fen)。今天威海力建小編著重(zhong)帶著大(da)家了(le)解一下缸(gang)筒(tong)和缸(gang)蓋。
缸筒和缸蓋
一般來說,缸(gang)(gang)筒(tong)和(he)缸(gang)(gang)蓋的(de)(de)結構(gou)形式(shi)和(he)其使(shi)用(yong)(yong)的(de)(de)材料有(you)關。工作壓力p<10MPa時(shi)(shi)(shi),使(shi)用(yong)(yong)鑄(zhu)(zhu)鐵;p<20MPa時(shi)(shi)(shi),使(shi)用(yong)(yong)無(wu)(wu)縫鋼(gang)(gang)管(guan);p>20MPa時(shi)(shi)(shi),使(shi)用(yong)(yong)鑄(zhu)(zhu)鋼(gang)(gang)或鍛鋼(gang)(gang)。法蘭連(lian)接式(shi),結構(gou)簡(jian)單,容(rong)(rong)易加工,也容(rong)(rong)易裝(zhuang)拆,但(dan)外(wai)形尺(chi)(chi)(chi)(chi)寸(cun)和(he)重(zhong)量都較大(da),常用(yong)(yong)于(yu)鑄(zhu)(zhu)鐵制(zhi)的(de)(de)缸(gang)(gang)筒(tong)上。半環(huan)連(lian)接式(shi),它的(de)(de)缸(gang)(gang)筒(tong)壁部因開了環(huan)形槽而削(xue)弱了強度(du),為(wei)此有(you)時(shi)(shi)(shi)要(yao)(yao)加厚缸(gang)(gang)壁,它容(rong)(rong)易加工和(he)裝(zhuang)拆,重(zhong)量較輕,常用(yong)(yong)于(yu)無(wu)(wu)縫鋼(gang)(gang)管(guan)或鍛鋼(gang)(gang)制(zhi)的(de)(de)缸(gang)(gang)筒(tong)上。螺紋連(lian)接式(shi),它的(de)(de)缸(gang)(gang)筒(tong)端部結構(gou)復雜,外(wai)徑加工時(shi)(shi)(shi)要(yao)(yao)求保證內外(wai)徑同心(xin),裝(zhuang)拆要(yao)(yao)使(shi)用(yong)(yong)工具,它的(de)(de)外(wai)形尺(chi)(chi)(chi)(chi)寸(cun)和(he)重(zhong)量都較小(xiao),常用(yong)(yong)于(yu)無(wu)(wu)縫鋼(gang)(gang)管(guan)或鑄(zhu)(zhu)鋼(gang)(gang)制(zhi)的(de)(de)缸(gang)(gang)筒(tong)上。拉桿連(lian)接式(shi),結構(gou)的(de)(de)通用(yong)(yong)性大(da),容(rong)(rong)易加工和(he)裝(zhuang)拆,但(dan)外(wai)形尺(chi)(chi)(chi)(chi)寸(cun)較大(da),且(qie)較重(zhong)。焊接連(lian)接式(shi),結構(gou)簡(jian)單,尺(chi)(chi)(chi)(chi)寸(cun)小(xiao),但(dan)缸(gang)(gang)底(di)處內徑不易加工,且(qie)可(ke)能引起變形。





② 運行(xing)中產(chan)生的異(yi)物
a.由于(yu)緩沖柱塞(sai)(sai)別勁而形成的摩(mo)擦鐵粉或鐵屑。緩沖裝置(zhi)的配合(he)間(jian)隙很小,活塞(sai)(sai)桿上所受橫向載(zai)荷很大時,可能引起(qi)燒結現(xian)象(xiang)。這些摩(mo)擦鐵粉或者因燒結而產生的已脫落掉(diao)的金屬碎片將(jiang)留在缸內(nei)。
b.缸(gang)(gang)壁(bi)內表面的(de)(de)(de)傷(shang)(shang)痕。活塞的(de)(de)(de)滑(hua)動表面壓力高,引起燒結現象,于是(shi)缸(gang)(gang)體內表面發生(sheng)擠(ji)裂(lie),被擠(ji)裂(lie)的(de)(de)(de)金屬脫落,留(liu)在缸(gang)(gang)內,會造(zao)成傷(shang)(shang)痕。
③ 從管路(lu)進(jin)入的異物,有(you)多種情況(kuang)。
a.清洗(xi)(xi)(xi)時不(bu)注意。管(guan)(guan)路(lu)安裝(zhuang)(zhuang)好以后進行清洗(xi)(xi)(xi)時,不(bu)應通(tong)過缸體,必須(xu)在(zai)缸體的油口前邊加裝(zhuang)(zhuang)旁通(tong)管(guan)(guan)路(lu)。這(zhe)一(yi)點很重要。否則,管(guan)(guan)路(lu)中(zhong)的異物(wu)將進入(ru)缸內,一(yi)旦進入(ru),即(ji)難以向外排除,反而變成向缸體內輸送(song)異物(wu)了。再者,清洗(xi)(xi)(xi)時要考慮安裝(zhuang)(zhuang)管(guan)(guan)路(lu)操作中(zhong)所進異物(wu)的取出方法。此外,對管(guan)(guan)內的腐(fu)蝕等在(zai)管(guan)(guan)路(lu)安裝(zhuang)(zhuang)之前即(ji)應進行酸洗(xi)(xi)(xi)等手續,必須(xu)完(wan)全去掉銹蝕。