
威海力建液壓設備廠
經營(ying)模(mo)式:生產(chan)加工
地址:山東(dong)省威海市(shi)羊亭孫家灘工(gong)業園
主營:液壓缸(gang),油(you)缸(gang),液壓系統
業務熱(re)線:
QQ:3049278720
液壓缸(gang)(gang)(gang)結構基本上可(ke)以分為缸(gang)(gang)(gang)筒(tong)和(he)缸(gang)(gang)(gang)蓋、活(huo)塞(sai)和(he)活(huo)塞(sai)桿、密封(feng)裝置、緩沖(chong)裝置和(he)排氣裝置五(wu)個部分。今天威海力建小編著重帶著大(da)家了解一下缸(gang)(gang)(gang)筒(tong)和(he)缸(gang)(gang)(gang)蓋。
缸筒和缸蓋
一(yi)般來說,缸(gang)(gang)(gang)筒和(he)缸(gang)(gang)(gang)蓋的結構形(xing)(xing)式(shi)(shi)和(he)其使用(yong)(yong)(yong)(yong)(yong)的材料有關。工(gong)(gong)作壓(ya)力p<10MPa時,使用(yong)(yong)(yong)(yong)(yong)鑄鐵;p<20MPa時,使用(yong)(yong)(yong)(yong)(yong)無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan);p>20MPa時,使用(yong)(yong)(yong)(yong)(yong)鑄鋼(gang)(gang)(gang)或(huo)鍛鋼(gang)(gang)(gang)。法蘭(lan)連(lian)接(jie)式(shi)(shi),結構簡單(dan),容(rong)易(yi)加工(gong)(gong),也容(rong)易(yi)裝拆(chai),但外形(xing)(xing)尺(chi)寸(cun)和(he)重量都較(jiao)大(da),常用(yong)(yong)(yong)(yong)(yong)于鑄鐵制(zhi)的缸(gang)(gang)(gang)筒上。半環連(lian)接(jie)式(shi)(shi),它(ta)的缸(gang)(gang)(gang)筒壁(bi)(bi)部因開了環形(xing)(xing)槽而削(xue)弱了強度,為此(ci)有時要加厚缸(gang)(gang)(gang)壁(bi)(bi),它(ta)容(rong)易(yi)加工(gong)(gong)和(he)裝拆(chai),重量較(jiao)輕,常用(yong)(yong)(yong)(yong)(yong)于無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)或(huo)鍛鋼(gang)(gang)(gang)制(zhi)的缸(gang)(gang)(gang)筒上。螺(luo)紋連(lian)接(jie)式(shi)(shi),它(ta)的缸(gang)(gang)(gang)筒端(duan)部結構復雜,外徑加工(gong)(gong)時要求(qiu)保證內(nei)外徑同心(xin),裝拆(chai)要使用(yong)(yong)(yong)(yong)(yong)工(gong)(gong)具(ju),它(ta)的外形(xing)(xing)尺(chi)寸(cun)和(he)重量都較(jiao)小,常用(yong)(yong)(yong)(yong)(yong)于無縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)或(huo)鑄鋼(gang)(gang)(gang)制(zhi)的缸(gang)(gang)(gang)筒上。拉桿連(lian)接(jie)式(shi)(shi),結構的通(tong)用(yong)(yong)(yong)(yong)(yong)性大(da),容(rong)易(yi)加工(gong)(gong)和(he)裝拆(chai),但外形(xing)(xing)尺(chi)寸(cun)較(jiao)大(da),且較(jiao)重。焊(han)接(jie)連(lian)接(jie)式(shi)(shi),結構簡單(dan),尺(chi)寸(cun)小,但缸(gang)(gang)(gang)底處(chu)內(nei)徑不易(yi)加工(gong)(gong),且可(ke)能引起變形(xing)(xing)。





② 運行中產(chan)生的(de)異物
a.由(you)于緩沖柱(zhu)塞別勁而形成的摩(mo)擦鐵粉(fen)或(huo)鐵屑。緩沖裝置的配(pei)合間隙很(hen)(hen)小,活(huo)塞桿上所受橫向載荷很(hen)(hen)大時,可(ke)能引起燒結(jie)現象。這些(xie)摩(mo)擦鐵粉(fen)或(huo)者因燒結(jie)而產生(sheng)的已(yi)脫落(luo)掉(diao)的金(jin)屬碎片將留(liu)在缸內。
b.缸壁內表(biao)(biao)面的(de)(de)傷痕。活塞的(de)(de)滑動表(biao)(biao)面壓力高,引起燒(shao)結現象,于是缸體(ti)內表(biao)(biao)面發生擠裂(lie),被擠裂(lie)的(de)(de)金屬脫(tuo)落,留在缸內,會造成(cheng)傷痕。
③ 從管路進入的異物,有多種情況。
a.清(qing)(qing)洗時(shi)(shi)不注意(yi)。管路(lu)安裝好以后進行清(qing)(qing)洗時(shi)(shi),不應通(tong)過缸體(ti),必(bi)須(xu)在(zai)缸體(ti)的油口前邊加(jia)裝旁通(tong)管路(lu)。這(zhe)一點很重要(yao)。否則,管路(lu)中(zhong)的異(yi)物(wu)將進入(ru)缸內,一旦進入(ru),即難以向(xiang)外(wai)排除,反而(er)變成向(xiang)缸體(ti)內輸(shu)送異(yi)物(wu)了(le)。再(zai)者,清(qing)(qing)洗時(shi)(shi)要(yao)考(kao)慮安裝管路(lu)操作中(zhong)所進異(yi)物(wu)的取出方(fang)法。此外(wai),對管內的腐蝕等(deng)在(zai)管路(lu)安裝之前即應進行酸洗等(deng)手續,必(bi)須(xu)完全(quan)去掉銹(xiu)蝕。

李建波先生
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