
威(wei)海(hai)力建(jian)液壓設備廠(chang)
經營模式:生(sheng)產加工(gong)
地(di)址:山東省威海(hai)市羊亭孫家灘工業園
主營(ying):液(ye)(ye)壓缸,油缸,液(ye)(ye)壓系統
業務熱線(xian):
QQ:3049278720
液壓缸(gang)結構基本上可以分(fen)為缸(gang)筒(tong)和缸(gang)蓋、活塞(sai)和活塞(sai)桿、密封裝置、緩沖裝置和排氣裝置五(wu)個部分(fen)。今天威海力建(jian)小編著(zhu)重帶著(zhu)大家了解一下缸(gang)筒(tong)和缸(gang)蓋。
缸(gang)筒和缸(gang)蓋
一(yi)般來說,缸(gang)(gang)(gang)筒和(he)缸(gang)(gang)(gang)蓋的結構形式(shi)和(he)其使(shi)用(yong)(yong)(yong)(yong)的材料有關。工(gong)(gong)(gong)作壓力(li)p<10MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)鑄(zhu)(zhu)鐵(tie)(tie);p<20MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)無(wu)縫鋼管;p>20MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)鑄(zhu)(zhu)鋼或(huo)(huo)鍛(duan)鋼。法蘭連接式(shi),結構簡單,容(rong)易加(jia)(jia)工(gong)(gong)(gong),也(ye)容(rong)易裝拆(chai)(chai),但外形尺(chi)(chi)寸(cun)和(he)重(zhong)量(liang)都較大,常用(yong)(yong)(yong)(yong)于鑄(zhu)(zhu)鐵(tie)(tie)制(zhi)(zhi)的缸(gang)(gang)(gang)筒上(shang)(shang)。半環連接式(shi),它的缸(gang)(gang)(gang)筒壁部(bu)因開(kai)了(le)環形槽而(er)削(xue)弱(ruo)了(le)強度(du),為此(ci)有時(shi)要加(jia)(jia)厚(hou)缸(gang)(gang)(gang)壁,它容(rong)易加(jia)(jia)工(gong)(gong)(gong)和(he)裝拆(chai)(chai),重(zhong)量(liang)較輕,常用(yong)(yong)(yong)(yong)于無(wu)縫鋼管或(huo)(huo)鍛(duan)鋼制(zhi)(zhi)的缸(gang)(gang)(gang)筒上(shang)(shang)。螺紋連接式(shi),它的缸(gang)(gang)(gang)筒端部(bu)結構復雜,外徑(jing)加(jia)(jia)工(gong)(gong)(gong)時(shi)要求保證內外徑(jing)同心,裝拆(chai)(chai)要使(shi)用(yong)(yong)(yong)(yong)工(gong)(gong)(gong)具(ju),它的外形尺(chi)(chi)寸(cun)和(he)重(zhong)量(liang)都較小,常用(yong)(yong)(yong)(yong)于無(wu)縫鋼管或(huo)(huo)鑄(zhu)(zhu)鋼制(zhi)(zhi)的缸(gang)(gang)(gang)筒上(shang)(shang)。拉桿連接式(shi),結構的通用(yong)(yong)(yong)(yong)性大,容(rong)易加(jia)(jia)工(gong)(gong)(gong)和(he)裝拆(chai)(chai),但外形尺(chi)(chi)寸(cun)較大,且較重(zhong)。焊(han)接連接式(shi),結構簡單,尺(chi)(chi)寸(cun)小,但缸(gang)(gang)(gang)底(di)處(chu)內徑(jing)不易加(jia)(jia)工(gong)(gong)(gong),且可能引起變形。





② 運行中產生的異物(wu)
a.由于緩沖(chong)柱塞別勁而形(xing)成的摩擦(ca)鐵(tie)粉或鐵(tie)屑(xie)。緩沖(chong)裝置(zhi)的配合間隙很小,活塞桿(gan)上所(suo)受橫(heng)向載(zai)荷(he)很大時,可能引起燒結現(xian)象。這些摩擦(ca)鐵(tie)粉或者因燒結而產生(sheng)的已脫落(luo)掉的金屬碎(sui)片將留在缸(gang)內。
b.缸壁內(nei)表面的(de)傷(shang)痕。活(huo)塞的(de)滑動表面壓力高(gao),引起燒結(jie)現(xian)象,于是缸體內(nei)表面發生擠裂(lie),被(bei)擠裂(lie)的(de)金屬脫落,留在缸內(nei),會造成傷(shang)痕。
③ 從管路(lu)進入的異物,有多種情況(kuang)。
a.清(qing)洗時不(bu)注意。管(guan)路安裝(zhuang)好以后(hou)進(jin)(jin)行(xing)清(qing)洗時,不(bu)應通過缸(gang)(gang)體(ti),必須在缸(gang)(gang)體(ti)的(de)(de)(de)油口前邊加裝(zhuang)旁(pang)通管(guan)路。這一點很重要。否(fou)則,管(guan)路中的(de)(de)(de)異(yi)物將進(jin)(jin)入缸(gang)(gang)內(nei),一旦進(jin)(jin)入,即難以向(xiang)外排除,反而變成(cheng)向(xiang)缸(gang)(gang)體(ti)內(nei)輸送異(yi)物了。再(zai)者,清(qing)洗時要考慮安裝(zhuang)管(guan)路操作(zuo)中所進(jin)(jin)異(yi)物的(de)(de)(de)取出方法。此(ci)外,對管(guan)內(nei)的(de)(de)(de)腐蝕(shi)等在管(guan)路安裝(zhuang)之(zhi)前即應進(jin)(jin)行(xing)酸洗等手續,必須完全(quan)去掉銹蝕(shi)。

李建波先生
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