
威(wei)海力(li)建液壓(ya)設(she)備廠
經(jing)營模式(shi):生產加工
地址:山東省威海市羊(yang)亭(ting)孫家灘(tan)工業(ye)園
主(zhu)營:液(ye)壓缸(gang),油缸(gang),液(ye)壓系統
業務熱線:
QQ:3049278720
CD/CG250、CD/CG350系列重(zhong)載液(ye)壓缸
本(ben)系(xi)列缸(gang)(gang)是(shi)由14種(zhong)(zhong)缸(gang)(gang)徑,分(fen)別按四種(zhong)(zhong)速(su)比組(zu)成(cheng)28種(zhong)(zhong)規格(ge)的單活塞雙(shuang)作用(yong)差動油缸(gang)(gang)。另缸(gang)(gang)頭法蘭式(shi)(shi)、中間耳軸(zhou)安(an)裝(zhuang)(zhuang)式(shi)(shi)和底座安(an)裝(zhuang)(zhuang)式(shi)(shi)三種(zhong)(zhong)還(huan)可做成(cheng)雙(shuang)活塞桿雙(shuang)作用(yong)等速(su)油缸(gang)(gang),再加上無(wu)端(duan)部緩沖(chong)和兩端(duan)部有(you)緩沖(chong)與上述28種(zhong)(zhong)規格(ge)組(zu)成(cheng)384個品種(zhong)(zhong)。特別適合于環境(jing)惡劣、重載的工(gong)作狀態下(xia),廣泛應用(yong)于鋼鐵、鑄造、鍛造及機(ji)械(xie)制造等工(gong)業部門。





液(ye)壓缸結構基本上可以分(fen)為(wei)缸筒(tong)和(he)缸蓋、活塞和(he)活塞桿、密封裝(zhuang)置、緩(huan)沖裝(zhuang)置和(he)排(pai)氣(qi)裝(zhuang)置五個部分(fen)。今(jin)天威海力(li)建(jian)小編著重(zhong)帶著大家了(le)解一下缸筒(tong)和(he)缸蓋。
缸筒和(he)缸蓋
一般來說,缸(gang)(gang)(gang)(gang)筒(tong)(tong)和(he)缸(gang)(gang)(gang)(gang)蓋的(de)結(jie)(jie)構形(xing)(xing)(xing)式(shi)(shi)和(he)其使(shi)用(yong)(yong)(yong)(yong)(yong)的(de)材料有(you)關。工作壓力p<10MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)(yong)鑄(zhu)鐵;p<20MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)(yong)無縫(feng)鋼(gang)(gang)管(guan);p>20MPa時(shi),使(shi)用(yong)(yong)(yong)(yong)(yong)鑄(zhu)鋼(gang)(gang)或鍛鋼(gang)(gang)。法蘭(lan)連(lian)接式(shi)(shi),結(jie)(jie)構簡單,容易(yi)加工,也容易(yi)裝(zhuang)(zhuang)拆,但外(wai)形(xing)(xing)(xing)尺寸和(he)重量都(dou)較(jiao)(jiao)(jiao)大,常用(yong)(yong)(yong)(yong)(yong)于鑄(zhu)鐵制的(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)上(shang)。半環(huan)連(lian)接式(shi)(shi),它的(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)壁(bi)部因開了環(huan)形(xing)(xing)(xing)槽(cao)而削(xue)弱(ruo)了強度,為此(ci)有(you)時(shi)要加厚缸(gang)(gang)(gang)(gang)壁(bi),它容易(yi)加工和(he)裝(zhuang)(zhuang)拆,重量較(jiao)(jiao)(jiao)輕,常用(yong)(yong)(yong)(yong)(yong)于無縫(feng)鋼(gang)(gang)管(guan)或鍛鋼(gang)(gang)制的(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)上(shang)。螺(luo)紋連(lian)接式(shi)(shi),它的(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)端部結(jie)(jie)構復雜,外(wai)徑加工時(shi)要求保證內(nei)外(wai)徑同心,裝(zhuang)(zhuang)拆要使(shi)用(yong)(yong)(yong)(yong)(yong)工具,它的(de)外(wai)形(xing)(xing)(xing)尺寸和(he)重量都(dou)較(jiao)(jiao)(jiao)小(xiao),常用(yong)(yong)(yong)(yong)(yong)于無縫(feng)鋼(gang)(gang)管(guan)或鑄(zhu)鋼(gang)(gang)制的(de)缸(gang)(gang)(gang)(gang)筒(tong)(tong)上(shang)。拉桿連(lian)接式(shi)(shi),結(jie)(jie)構的(de)通用(yong)(yong)(yong)(yong)(yong)性(xing)大,容易(yi)加工和(he)裝(zhuang)(zhuang)拆,但外(wai)形(xing)(xing)(xing)尺寸較(jiao)(jiao)(jiao)大,且(qie)(qie)較(jiao)(jiao)(jiao)重。焊接連(lian)接式(shi)(shi),結(jie)(jie)構簡單,尺寸小(xiao),但缸(gang)(gang)(gang)(gang)底(di)處內(nei)徑不易(yi)加工,且(qie)(qie)可能引(yin)起變形(xing)(xing)(xing)。
密封不良
密(mi)封(feng)(feng)不良(liang)(liang)會引起外(wai)泄漏和內泄漏。產生密(mi)封(feng)(feng)不良(liang)(liang)的原因有:
1、裝(zhuang)配不當,密封(feng)件發生破損(sun);
2、裝配精度差,間隙太大,密封件被擠出而損壞(huai);
3、密封件急劇磨損,失(shi)去(qu)密封作用;
4、密封(feng)圈(quan)方向裝反(fan)(密封(feng)圈(quan)唇邊面向壓力油(you)一方),密封(feng)功(gong)能失效;
5、密封(feng)結構不合理,壓力超過額定(ding)值,失去密封(feng)功效。
連接(jie)處結(jie)合(he)不良
連接處結合不(bu)良主要引起外泄(xie)漏,產生結合不(bu)良的原因有:
1、缸(gang)筒與端(duan)蓋(gai)用螺栓(shuan)(shuan)連接時(shi),螺栓(shuan)(shuan)緊固不(bu)良(liang),結(jie)合(he)部分的毛刺(ci)、裝(zhuang)配毛邊引起(qi)結(jie)合(he)不(bu)良(liang);端(duan)面O形密封圈有配合(he)間隙;
2、缸筒與(yu)端(duan)蓋用螺紋連(lian)接時(shi),緊固端(duan)蓋時(shi)未達到(dao)額(e)定扭矩(ju)或密封(feng)圈密封(feng)性能不好;
3、液壓缸進油(you)管口因管件(jian)振動而(er)引起管口松動。