
威海(hai)力建液(ye)壓設備廠
經營(ying)模(mo)式(shi):生(sheng)產(chan)加工
地址:山(shan)東省威海市羊亭孫(sun)家(jia)灘(tan)工業(ye)園
主(zhu)營:液壓(ya)缸,油缸,液壓(ya)系統
業(ye)務熱(re)線:
QQ:3049278720
液壓缸的分類
液壓(ya)(ya)缸的結構(gou)(gou)形(xing)式(shi)(shi)多種(zhong)多樣,其分(fen)類方法也有多種(zhong):按運動方式(shi)(shi)可(ke)(ke)(ke)分(fen)為(wei)直線往復(fu)運動式(shi)(shi)和回轉擺動式(shi)(shi);按受液壓(ya)(ya)力作用情(qing)況可(ke)(ke)(ke)分(fen)為(wei)單作用式(shi)(shi)、雙作用式(shi)(shi);按結構(gou)(gou)形(xing)式(shi)(shi)可(ke)(ke)(ke)分(fen)為(wei)活塞式(shi)(shi)、柱(zhu)塞式(shi)(shi)、多級伸(shen)縮套筒式(shi)(shi),齒輪齒條(tiao)式(shi)(shi)等;按安(an)裝(zhuang)形(xing)式(shi)(shi)可(ke)(ke)(ke)分(fen)為(wei)拉桿、耳環、底(di)腳(jiao)、鉸軸等;按壓(ya)(ya)力等級可(ke)(ke)(ke)分(fen)為(wei)16Mpa、25Mpa、31.5Mpa等。(威(wei)海力建冶金液壓(ya)(ya)設備廠)





活塞式液壓(ya)缸的工(gong)作原(yuan)理(li)
它只在活(huo)塞的一側(ce)設有活(huo)塞桿,因(yin)而兩腔的有效作(zuo)用面積不(bu)(bu)同(tong)(tong)。在供油(you)(you)(you)(you)量相同(tong)(tong)時,不(bu)(bu)同(tong)(tong)腔進油(you)(you)(you)(you),活(huo)塞的運(yun)動速度不(bu)(bu)同(tong)(tong);在需(xu)克服的負(fu)載力(li)相同(tong)(tong)時,不(bu)(bu)同(tong)(tong)腔進油(you)(you)(you)(you),所需(xu)要的供油(you)(you)(you)(you)壓力(li)不(bu)(bu)同(tong)(tong),或(huo)者說(shuo)在系(xi)統壓力(li)調定后(hou),環衛(wei)垃圾車液壓缸兩個方向(xiang)運(yun)動所能(neng)克服的負(fu)載力(li)不(bu)(bu)同(tong)(tong)。
1、液(ye)壓(ya)缸(gang)設計間(jian)(jian)(jian)隙(xi)不(bu)當產(chan)生(sheng)的低(di)速(su)(su)爬(pa)行,液(ye)壓(ya)缸(gang)內部活(huo)塞(sai)(sai)和缸(gang)體、活(huo)塞(sai)(sai)桿和導向套之間(jian)(jian)(jian)的滑(hua)動(dong)(dong)配合間(jian)(jian)(jian)隙(xi)太大,引起滑(hua)動(dong)(dong)面的受壓(ya)不(bu)均(jun)勻(yun),造成(cheng)摩(mo)擦(ca)力不(bu)均(jun)勻(yun),引起液(ye)壓(ya)缸(gang)低(di)速(su)(su)爬(pa)行;滑(hua)動(dong)(dong)配合間(jian)(jian)(jian)隙(xi)若太小,加上零部件(jian)制造存(cun)在公(gong)差,也會引起滑(hua)動(dong)(dong)面的受壓(ya)不(bu)均(jun)勻(yun),造成(cheng)摩(mo)擦(ca)力不(bu)均(jun)勻(yun),引起液(ye)壓(ya)缸(gang)低(di)速(su)(su)爬(pa)行。
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2、液(ye)壓缸內導向元件摩擦力不(bu)(bu)均(jun)勻產(chan)生的低速爬行,液(ye)壓缸常用的導向材料有(you)QT500.7、ZQAL9-4、非金(jin)屬(shu)支(zhi)撐環(huan)等,特別是非金(jin)屬(shu)支(zhi)撐環(huan)尺寸不(bu)(bu)均(jun)勻,一些(xie)非金(jin)屬(shu)支(zhi)撐環(huan)隨油溫(wen)變化(hua)尺寸增大(da)或減(jian)小,即(ji)在油液(ye)中尺寸穩(wen)定性差直接造成(cheng)配合間(jian)隙的變化(hua),很(hen)容(rong)易(yi)造成(cheng)液(ye)壓缸的速度不(bu)(bu)穩(wen)定。

李建波先生
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