
威海力建液壓(ya)設備廠(chang)
經營(ying)模式:生(sheng)產加(jia)工(gong)
地址:山東省威(wei)海市羊亭孫家灘(tan)工業園
主營:液壓缸(gang),油(you)缸(gang),液壓系統
業務熱(re)線:
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液壓缸的分類
液(ye)壓(ya)(ya)缸(gang)的結構(gou)形式(shi)(shi)(shi)(shi)(shi)多(duo)種(zhong)多(duo)樣(yang),其(qi)分(fen)類方法(fa)也有多(duo)種(zhong):按運動方式(shi)(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為(wei)(wei)直(zhi)線(xian)往復(fu)運動式(shi)(shi)(shi)(shi)(shi)和回轉擺動式(shi)(shi)(shi)(shi)(shi);按受(shou)液(ye)壓(ya)(ya)力(li)作用(yong)(yong)情況可(ke)(ke)分(fen)為(wei)(wei)單(dan)作用(yong)(yong)式(shi)(shi)(shi)(shi)(shi)、雙(shuang)作用(yong)(yong)式(shi)(shi)(shi)(shi)(shi);按結構(gou)形式(shi)(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為(wei)(wei)活塞式(shi)(shi)(shi)(shi)(shi)、柱塞式(shi)(shi)(shi)(shi)(shi)、多(duo)級(ji)伸縮套(tao)筒式(shi)(shi)(shi)(shi)(shi),齒(chi)輪(lun)齒(chi)條式(shi)(shi)(shi)(shi)(shi)等(deng);按安裝形式(shi)(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為(wei)(wei)拉桿、耳環、底腳(jiao)、鉸軸等(deng);按壓(ya)(ya)力(li)等(deng)級(ji)可(ke)(ke)分(fen)為(wei)(wei)16Mpa、25Mpa、31.5Mpa等(deng)。(威海力(li)建冶金液(ye)壓(ya)(ya)設備廠)





活塞式液壓缸的(de)工作原理
它只在(zai)活(huo)塞(sai)(sai)(sai)的(de)(de)一側設有活(huo)塞(sai)(sai)(sai)桿,因而兩腔(qiang)的(de)(de)有效(xiao)作用(yong)面積不同(tong)(tong)。在(zai)供(gong)油(you)量相同(tong)(tong)時(shi),不同(tong)(tong)腔(qiang)進(jin)油(you),活(huo)塞(sai)(sai)(sai)的(de)(de)運動速度不同(tong)(tong);在(zai)需克服的(de)(de)負載(zai)力相同(tong)(tong)時(shi),不同(tong)(tong)腔(qiang)進(jin)油(you),所需要的(de)(de)供(gong)油(you)壓力不同(tong)(tong),或者說在(zai)系統壓力調定后,環衛(wei)垃圾車液(ye)壓缸(gang)兩個方向(xiang)運動所能克服的(de)(de)負載(zai)力不同(tong)(tong)。
1、液(ye)壓(ya)(ya)缸(gang)設計間(jian)隙(xi)(xi)不(bu)當產生的(de)低(di)速(su)(su)爬(pa)行(xing),液(ye)壓(ya)(ya)缸(gang)內部活塞(sai)和缸(gang)體、活塞(sai)桿和導向套之(zhi)間(jian)的(de)滑(hua)(hua)動(dong)(dong)配(pei)合間(jian)隙(xi)(xi)太大(da),引起(qi)滑(hua)(hua)動(dong)(dong)面(mian)的(de)受壓(ya)(ya)不(bu)均(jun)勻,造成(cheng)摩(mo)擦(ca)力(li)不(bu)均(jun)勻,引起(qi)液(ye)壓(ya)(ya)缸(gang)低(di)速(su)(su)爬(pa)行(xing);滑(hua)(hua)動(dong)(dong)配(pei)合間(jian)隙(xi)(xi)若太小,加上零部件制造存在公差,也會引起(qi)滑(hua)(hua)動(dong)(dong)面(mian)的(de)受壓(ya)(ya)不(bu)均(jun)勻,造成(cheng)摩(mo)擦(ca)力(li)不(bu)均(jun)勻,引起(qi)液(ye)壓(ya)(ya)缸(gang)低(di)速(su)(su)爬(pa)行(xing)。
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2、液(ye)壓(ya)(ya)缸(gang)內導(dao)向元件摩擦力不(bu)均勻產生(sheng)的(de)低(di)速爬(pa)行(xing),液(ye)壓(ya)(ya)缸(gang)常用的(de)導(dao)向材(cai)料有QT500.7、ZQAL9-4、非金屬(shu)(shu)支撐環(huan)(huan)等,特別是(shi)非金屬(shu)(shu)支撐環(huan)(huan)尺(chi)(chi)寸不(bu)均勻,一些非金屬(shu)(shu)支撐環(huan)(huan)隨(sui)油(you)溫變(bian)化尺(chi)(chi)寸增(zeng)大或減小,即在油(you)液(ye)中(zhong)尺(chi)(chi)寸穩定性差直接造成配合間隙的(de)變(bian)化,很(hen)容易造成液(ye)壓(ya)(ya)缸(gang)的(de)速度不(bu)穩定。