
威海力(li)建液壓(ya)設備廠
經營模式:生(sheng)產加工(gong)
地址:山東省(sheng)威海市羊(yang)亭孫家灘工業園(yuan)
主(zhu)營(ying):液壓缸,油缸,液壓系統
業(ye)務熱線:
QQ:3049278720
伸縮式液壓缸
伸(shen)縮式液(ye)壓(ya)(ya)缸具有二級或多(duo)級活(huo)塞(sai),伸(shen)縮式液(ye)壓(ya)(ya)缸中活(huo)塞(sai)伸(shen)出(chu)的順(shun)序式從(cong)(cong)大到小,而(er)空載(zai)縮回的順(shun)序則一(yi)般是從(cong)(cong)小到大。伸(shen)縮缸可實現較(jiao)長的行程(cheng),而(er)縮回時長度較(jiao)短,結構較(jiao)為(wei)緊湊(cou)。此種液(ye)壓(ya)(ya)缸常用(yong)于工程(cheng)機械(xie)和農業機械(xie)上。有多(duo)個一(yi)次運(yun)動的活(huo)塞(sai),各活(huo)塞(sai)逐次運(yun)動時,其輸(shu)出(chu)速(su)度和輸(shu)出(chu)力均是變化(hua)的。(威海力建冶金液(ye)壓(ya)(ya)設備廠(chang))





擺動式液壓缸
擺(bai)(bai)動(dong)(dong)式(shi)(shi)液壓(ya)缸是輸出扭矩并實(shi)現往復運(yun)(yun)(yun)動(dong)(dong)的(de)執行元件,有(you)單葉(xie)片(pian)、雙葉(xie)片(pian)、螺(luo)(luo)旋(xuan)擺(bai)(bai)動(dong)(dong)等幾種形(xing)式(shi)(shi)。葉(xie)片(pian)式(shi)(shi)式(shi)(shi):定子塊固定在(zai)(zai)缸體上,而葉(xie)片(pian)和轉子連接在(zai)(zai)一起(qi)。根據進油方向(xiang),葉(xie)片(pian)將帶(dai)動(dong)(dong)轉子作往復擺(bai)(bai)動(dong)(dong)。螺(luo)(luo)旋(xuan)擺(bai)(bai)動(dong)(dong)式(shi)(shi)又(you)分單螺(luo)(luo)旋(xuan)擺(bai)(bai)動(dong)(dong)和雙螺(luo)(luo)旋(xuan)兩(liang)種,現在(zai)(zai)雙螺(luo)(luo)旋(xuan)比較常用,靠(kao)兩(liang)個螺(luo)(luo)旋(xuan)副降液壓(ya)缸內活塞的(de)直(zhi)線(xian)(xian)運(yun)(yun)(yun)動(dong)(dong)轉變為直(zhi)線(xian)(xian)運(yun)(yun)(yun)動(dong)(dong)與自(zi)轉運(yun)(yun)(yun)動(dong)(dong)的(de)復he運(yun)(yun)(yun)動(dong)(dong),從(cong)而實(shi)現擺(bai)(bai)動(dong)(dong)運(yun)(yun)(yun)動(dong)(dong)。
例如:活塞與活塞桿(gan)不同心(xin)或(huo)活塞桿(gan)彎曲,液壓(ya)缸或(huo)活塞桿(gan)對(dui)導軌安裝(zhuang)位置偏移,密封環裝(zhuang)得過緊或(huo)過松等。解決方(fang)法是(shi)重新(xin)修理或(huo)調整,更(geng)換損傷的零件及清(qing)除鐵屑。
(2)潤滑不良或(huo)液(ye)壓缸(gang)(gang)孔徑(jing)加(jia)工超差。因為活(huo)塞(sai)與缸(gang)(gang)筒、導軌與活(huo)塞(sai)桿等均有相對運(yun)動,如果潤滑不良或(huo)液(ye)壓缸(gang)(gang)孔徑(jing)超差,就會(hui)加(jia)劇(ju)磨損,使缸(gang)(gang)筒中心線直線性(xing)降低。(威海力建冶(ye)金液(ye)壓設備廠)