
威海力建液(ye)壓設備(bei)廠
經營模(mo)式(shi):生(sheng)產加工(gong)
地址:山(shan)東省威海(hai)市(shi)羊(yang)亭孫家灘工(gong)業園
主營:液(ye)壓(ya)缸,油缸,液(ye)壓(ya)系(xi)統
業(ye)務熱線:
QQ:3049278720
伸縮式液壓缸
伸縮(suo)式(shi)(shi)液(ye)(ye)壓(ya)(ya)缸具有(you)二級(ji)或多(duo)級(ji)活(huo)塞(sai),伸縮(suo)式(shi)(shi)液(ye)(ye)壓(ya)(ya)缸中活(huo)塞(sai)伸出(chu)的(de)(de)順序式(shi)(shi)從大到(dao)小,而空載(zai)縮(suo)回(hui)的(de)(de)順序則(ze)一(yi)般(ban)是(shi)從小到(dao)大。伸縮(suo)缸可實現(xian)較長(chang)的(de)(de)行(xing)程(cheng),而縮(suo)回(hui)時(shi)長(chang)度較短,結(jie)構較為(wei)緊湊(cou)。此種(zhong)液(ye)(ye)壓(ya)(ya)缸常用于工程(cheng)機械和農業機械上。有(you)多(duo)個一(yi)次(ci)(ci)運動的(de)(de)活(huo)塞(sai),各活(huo)塞(sai)逐(zhu)次(ci)(ci)運動時(shi),其輸出(chu)速度和輸出(chu)力均是(shi)變化(hua)的(de)(de)。(威海力建冶金液(ye)(ye)壓(ya)(ya)設(she)備廠)





擺動式液壓缸
擺(bai)(bai)(bai)動(dong)(dong)式(shi)液壓(ya)缸是(shi)輸出扭矩并(bing)實(shi)現往(wang)復(fu)運(yun)(yun)(yun)動(dong)(dong)的執行元件,有單(dan)葉(xie)(xie)(xie)(xie)片(pian)(pian)、雙葉(xie)(xie)(xie)(xie)片(pian)(pian)、螺旋(xuan)擺(bai)(bai)(bai)動(dong)(dong)等幾種(zhong)形式(shi)。葉(xie)(xie)(xie)(xie)片(pian)(pian)式(shi)式(shi):定(ding)子(zi)(zi)塊固定(ding)在缸體(ti)上,而葉(xie)(xie)(xie)(xie)片(pian)(pian)和(he)轉(zhuan)(zhuan)子(zi)(zi)連接在一起。根(gen)據進油方向,葉(xie)(xie)(xie)(xie)片(pian)(pian)將帶動(dong)(dong)轉(zhuan)(zhuan)子(zi)(zi)作往(wang)復(fu)擺(bai)(bai)(bai)動(dong)(dong)。螺旋(xuan)擺(bai)(bai)(bai)動(dong)(dong)式(shi)又分單(dan)螺旋(xuan)擺(bai)(bai)(bai)動(dong)(dong)和(he)雙螺旋(xuan)兩種(zhong),現在雙螺旋(xuan)比較(jiao)常用,靠兩個螺旋(xuan)副(fu)降液壓(ya)缸內活(huo)塞的直(zhi)線運(yun)(yun)(yun)動(dong)(dong)轉(zhuan)(zhuan)變為直(zhi)線運(yun)(yun)(yun)動(dong)(dong)與(yu)自(zi)轉(zhuan)(zhuan)運(yun)(yun)(yun)動(dong)(dong)的復(fu)he運(yun)(yun)(yun)動(dong)(dong),從而實(shi)現擺(bai)(bai)(bai)動(dong)(dong)運(yun)(yun)(yun)動(dong)(dong)。
② 運行中產生的異(yi)物
a.由于緩(huan)沖柱塞別勁而形成的摩擦(ca)鐵(tie)粉(fen)或鐵(tie)屑。緩(huan)沖裝置的配合間隙很(hen)小,活塞桿上(shang)所受(shou)橫向載荷很(hen)大(da)時(shi),可能引起燒結現象。這些摩擦(ca)鐵(tie)粉(fen)或者(zhe)因燒結而產生的已脫落(luo)掉(diao)的金屬碎片(pian)將留在缸內。
b.缸(gang)壁內表(biao)面的傷痕(hen)。活(huo)塞的滑(hua)動(dong)表(biao)面壓力高,引起燒結現象,于是缸(gang)體內表(biao)面發(fa)生擠(ji)裂,被擠(ji)裂的金屬(shu)脫落,留在缸(gang)內,會(hui)造成傷痕(hen)。