
威海力建液(ye)壓設備廠
經營模式:生(sheng)產加工
地址:山東省威(wei)海(hai)市羊亭(ting)孫(sun)家灘(tan)工(gong)業園(yuan)
主營:液壓缸,油(you)缸,液壓系統
業(ye)務(wu)熱線(xian):
QQ:3049278720
液壓缸的分類
液(ye)(ye)壓(ya)缸的(de)結(jie)(jie)構形(xing)式(shi)多(duo)種多(duo)樣(yang),其分(fen)類方(fang)法也有多(duo)種:按運動方(fang)式(shi)可(ke)分(fen)為(wei)直線(xian)往復運動式(shi)和回(hui)轉(zhuan)擺動式(shi);按受液(ye)(ye)壓(ya)力作用情況可(ke)分(fen)為(wei)單作用式(shi)、雙(shuang)作用式(shi);按結(jie)(jie)構形(xing)式(shi)可(ke)分(fen)為(wei)活塞式(shi)、柱塞式(shi)、多(duo)級伸縮(suo)套筒式(shi),齒(chi)輪齒(chi)條式(shi)等(deng);按安裝形(xing)式(shi)可(ke)分(fen)為(wei)拉桿、耳環、底腳、鉸(jiao)軸等(deng);按壓(ya)力等(deng)級可(ke)分(fen)為(wei)16Mpa、25Mpa、31.5Mpa等(deng)。(威海(hai)力建冶金液(ye)(ye)壓(ya)設備(bei)廠)





活(huo)塞(sai)式液壓缸的(de)工作原(yuan)理(li)
它(ta)只(zhi)在活(huo)塞的(de)一側設有(you)活(huo)塞桿,因而兩腔的(de)有(you)效作(zuo)用(yong)面(mian)積不(bu)同(tong)(tong)(tong)(tong)。在供(gong)油(you)量(liang)相(xiang)同(tong)(tong)(tong)(tong)時,不(bu)同(tong)(tong)(tong)(tong)腔進油(you),活(huo)塞的(de)運動(dong)速度不(bu)同(tong)(tong)(tong)(tong);在需克服(fu)(fu)的(de)負(fu)載力(li)(li)相(xiang)同(tong)(tong)(tong)(tong)時,不(bu)同(tong)(tong)(tong)(tong)腔進油(you),所(suo)需要的(de)供(gong)油(you)壓(ya)力(li)(li)不(bu)同(tong)(tong)(tong)(tong),或者說在系(xi)統(tong)壓(ya)力(li)(li)調定后(hou),環衛垃圾車液壓(ya)缸兩個方向(xiang)運動(dong)所(suo)能克服(fu)(fu)的(de)負(fu)載力(li)(li)不(bu)同(tong)(tong)(tong)(tong)。
1、液(ye)壓缸(gang)設計(ji)間隙不當產生的(de)低(di)速(su)爬行(xing),液(ye)壓缸(gang)內部(bu)活塞和(he)缸(gang)體、活塞桿(gan)和(he)導(dao)向套(tao)之間的(de)滑(hua)(hua)動配合(he)間隙太(tai)大,引(yin)起滑(hua)(hua)動面(mian)的(de)受(shou)壓不均(jun)勻(yun)(yun),造成(cheng)(cheng)摩(mo)擦力(li)不均(jun)勻(yun)(yun),引(yin)起液(ye)壓缸(gang)低(di)速(su)爬行(xing);滑(hua)(hua)動配合(he)間隙若(ruo)太(tai)小,加(jia)上零部(bu)件(jian)制(zhi)造存在公差(cha),也(ye)會(hui)引(yin)起滑(hua)(hua)動面(mian)的(de)受(shou)壓不均(jun)勻(yun)(yun),造成(cheng)(cheng)摩(mo)擦力(li)不均(jun)勻(yun)(yun),引(yin)起液(ye)壓缸(gang)低(di)速(su)爬行(xing)。
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2、液(ye)(ye)壓(ya)缸(gang)內導(dao)(dao)向(xiang)元件摩擦(ca)力(li)不均(jun)勻(yun)產生的低(di)速爬行,液(ye)(ye)壓(ya)缸(gang)常用(yong)的導(dao)(dao)向(xiang)材料有QT500.7、ZQAL9-4、非(fei)金屬支(zhi)撐(cheng)環(huan)等,特別是(shi)非(fei)金屬支(zhi)撐(cheng)環(huan)尺(chi)寸(cun)(cun)不均(jun)勻(yun),一些(xie)非(fei)金屬支(zhi)撐(cheng)環(huan)隨油溫(wen)變化尺(chi)寸(cun)(cun)增大或(huo)減小,即在油液(ye)(ye)中尺(chi)寸(cun)(cun)穩(wen)定性差直(zhi)接(jie)造成配合(he)間隙的變化,很容易(yi)造成液(ye)(ye)壓(ya)缸(gang)的速度不穩(wen)定。