
威海力建液(ye)壓設(she)備廠
經營(ying)模式:生產加(jia)工
地(di)址:山東省(sheng)威海市羊(yang)亭(ting)孫家灘工業(ye)園
主(zhu)營:液(ye)壓缸,油缸,液(ye)壓系(xi)統(tong)
業務熱(re)線:
QQ:3049278720
柱塞式
(1)柱塞式液壓(ya)(ya)缸是(shi)一種(zhong)單(dan)作用式液壓(ya)(ya)缸,靠液壓(ya)(ya)力只能實現(xian)一個方(fang)向的(de)運動,柱塞回程要靠其它外(wai)力或柱塞的(de)自重;
(2)柱(zhu)塞只靠缸(gang)套支承(cheng)而不(bu)與缸(gang)套接(jie)觸,這樣(yang)缸(gang)套極易(yi)加工(gong),故(gu)適于做長(chang)行程(cheng)液(ye)壓缸(gang);
(3)工作時柱塞總受壓,因而它(ta)必(bi)須有足夠的剛(gang)度;
(4)柱(zhu)塞重量(liang)往往較大(da),水平放置時(shi) 容易(yi)因自重而下(xia)垂,造(zao)成密(mi)封件和導(dao)向單邊磨損(sun),故其垂直使用(yong)更(geng)有利。





3、活塞(sai)滑(hua)移或爬行
液(ye)壓(ya)缸(gang)的活塞滑移或爬(pa)行將使液(ye)壓(ya)缸(gang)工作不穩定(ding)。主要原因如下:
(1)液(ye)壓缸內(nei)部澀滯。液(ye)壓缸內(nei)部零(ling)(ling)件(jian)裝配不(bu)當、零(ling)(ling)件(jian)變形(xing)、磨損(sun)或(huo)形(xing)位公(gong)差超限,動作阻(zu)力(li)過大(da),使液(ye)壓缸活(huo)塞速(su)度隨著(zhu)行程位置(zhi)的不(bu)同而(er)變化,出現滑移(yi)或(huo)爬行。原因大(da)多是由于零(ling)(ling)件(jian)裝配質量差,表面(mian)有傷痕或(huo)燒結產生的鐵屑(xie),使阻(zu)力(li)增大(da),速(su)度下(xia)降。
液壓缸結構(gou)基本(ben)上可以分(fen)為缸筒(tong)和(he)缸蓋(gai)、活(huo)塞和(he)活(huo)塞桿、密封裝置、緩(huan)沖裝置和(he)排氣裝置五個部(bu)分(fen)。今天威海力(li)建小編著(zhu)重帶(dai)著(zhu)大家了解一下缸筒(tong)和(he)缸蓋(gai)。
缸筒(tong)和缸蓋(gai)
一(yi)般來(lai)說,缸(gang)筒(tong)和(he)(he)(he)缸(gang)蓋的(de)(de)(de)(de)結(jie)構形(xing)(xing)式(shi)和(he)(he)(he)其(qi)使(shi)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)材料(liao)有關。工(gong)作(zuo)壓力p<10MPa時,使(shi)用(yong)(yong)(yong)(yong)鑄(zhu)鐵;p<20MPa時,使(shi)用(yong)(yong)(yong)(yong)無(wu)縫鋼(gang)管(guan)(guan);p>20MPa時,使(shi)用(yong)(yong)(yong)(yong)鑄(zhu)鋼(gang)或鍛(duan)鋼(gang)。法蘭連(lian)(lian)接(jie)式(shi),結(jie)構簡單(dan),容(rong)易加(jia)(jia)(jia)工(gong),也容(rong)易裝(zhuang)拆(chai)(chai),但(dan)外(wai)形(xing)(xing)尺(chi)(chi)寸(cun)(cun)和(he)(he)(he)重量(liang)都較大,常用(yong)(yong)(yong)(yong)于(yu)(yu)鑄(zhu)鐵制的(de)(de)(de)(de)缸(gang)筒(tong)上。半環(huan)連(lian)(lian)接(jie)式(shi),它的(de)(de)(de)(de)缸(gang)筒(tong)壁部因開(kai)了環(huan)形(xing)(xing)槽(cao)而削弱了強度(du),為此(ci)有時要(yao)加(jia)(jia)(jia)厚缸(gang)壁,它容(rong)易加(jia)(jia)(jia)工(gong)和(he)(he)(he)裝(zhuang)拆(chai)(chai),重量(liang)較輕(qing),常用(yong)(yong)(yong)(yong)于(yu)(yu)無(wu)縫鋼(gang)管(guan)(guan)或鍛(duan)鋼(gang)制的(de)(de)(de)(de)缸(gang)筒(tong)上。螺(luo)紋連(lian)(lian)接(jie)式(shi),它的(de)(de)(de)(de)缸(gang)筒(tong)端部結(jie)構復雜,外(wai)徑(jing)加(jia)(jia)(jia)工(gong)時要(yao)求保(bao)證內外(wai)徑(jing)同(tong)心(xin),裝(zhuang)拆(chai)(chai)要(yao)使(shi)用(yong)(yong)(yong)(yong)工(gong)具,它的(de)(de)(de)(de)外(wai)形(xing)(xing)尺(chi)(chi)寸(cun)(cun)和(he)(he)(he)重量(liang)都較小(xiao),常用(yong)(yong)(yong)(yong)于(yu)(yu)無(wu)縫鋼(gang)管(guan)(guan)或鑄(zhu)鋼(gang)制的(de)(de)(de)(de)缸(gang)筒(tong)上。拉(la)桿連(lian)(lian)接(jie)式(shi),結(jie)構的(de)(de)(de)(de)通用(yong)(yong)(yong)(yong)性大,容(rong)易加(jia)(jia)(jia)工(gong)和(he)(he)(he)裝(zhuang)拆(chai)(chai),但(dan)外(wai)形(xing)(xing)尺(chi)(chi)寸(cun)(cun)較大,且較重。焊(han)接(jie)連(lian)(lian)接(jie)式(shi),結(jie)構簡單(dan),尺(chi)(chi)寸(cun)(cun)小(xiao),但(dan)缸(gang)底(di)處內徑(jing)不易加(jia)(jia)(jia)工(gong),且可能引起變形(xing)(xing)。