
威海力建液壓(ya)設備(bei)廠(chang)
經營模式:生產加工(gong)
地址:山東省(sheng)威海市羊(yang)亭孫家灘工(gong)業園
主營(ying):液壓缸,油缸,液壓系(xi)統
業(ye)務熱線:
QQ:3049278720
擺動式液壓缸
擺動(dong)(dong)(dong)(dong)式液壓缸(gang)是輸出扭(niu)矩并實現(xian)往(wang)復(fu)運(yun)動(dong)(dong)(dong)(dong)的(de)執行元(yuan)件,有單葉(xie)(xie)片、雙(shuang)(shuang)葉(xie)(xie)片、螺(luo)(luo)旋(xuan)(xuan)擺動(dong)(dong)(dong)(dong)等(deng)幾種形式。葉(xie)(xie)片式式:定子(zi)(zi)塊固(gu)定在缸(gang)體上,而(er)葉(xie)(xie)片和(he)轉(zhuan)(zhuan)子(zi)(zi)連接(jie)在一起(qi)。根據進(jin)油方向,葉(xie)(xie)片將帶動(dong)(dong)(dong)(dong)轉(zhuan)(zhuan)子(zi)(zi)作往(wang)復(fu)擺動(dong)(dong)(dong)(dong)。螺(luo)(luo)旋(xuan)(xuan)擺動(dong)(dong)(dong)(dong)式又(you)分單螺(luo)(luo)旋(xuan)(xuan)擺動(dong)(dong)(dong)(dong)和(he)雙(shuang)(shuang)螺(luo)(luo)旋(xuan)(xuan)兩種,現(xian)在雙(shuang)(shuang)螺(luo)(luo)旋(xuan)(xuan)比較(jiao)常用,靠兩個螺(luo)(luo)旋(xuan)(xuan)副(fu)降液壓缸(gang)內活塞的(de)直(zhi)線運(yun)動(dong)(dong)(dong)(dong)轉(zhuan)(zhuan)變(bian)為直(zhi)線運(yun)動(dong)(dong)(dong)(dong)與自轉(zhuan)(zhuan)運(yun)動(dong)(dong)(dong)(dong)的(de)復(fu)he運(yun)動(dong)(dong)(dong)(dong),從而(er)實現(xian)擺動(dong)(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)(dong)。





緩沖裝置
在(zai)液壓系統中(zhong)(zhong)使用液壓缸(gang)驅動具有一定質量的機構,當液壓缸(gang)運動至行程終(zhong)點時(shi)具有較(jiao)大動能(neng),如(ru)未作減速(su)處理,液壓缸(gang)活塞(sai)與(yu)缸(gang)蓋(gai)將(jiang)發生(sheng)(sheng)機械碰撞(zhuang),產(chan)生(sheng)(sheng)沖擊、噪聲(sheng),有破壞性。為緩和及防止這種危害發生(sheng)(sheng),因此(ci)可在(zai)液壓回路中(zhong)(zhong)設(she)置減速(su)裝置或在(zai)缸(gang)體內設(she)緩沖裝置。
加工
缸筒作為液壓(ya)缸、礦用單體支柱(zhu)、液壓(ya)支架、炮管等產品的主(zhu)要部件,其加工質量的好壞直(zhi)(zhi)接影響(xiang)整個產品的壽命和可靠性(xing)。缸筒加工要求高(gao),其內表面粗糙(cao)度要求為Ra0.4~0.8&um,對同軸度、耐磨性(xing)要求嚴格。缸筒的基本特(te)征是深(shen)孔(kong)加工,其加工一直(zhi)(zhi)困擾加工人員。
例如:活(huo)塞與(yu)活(huo)塞桿不同心或(huo)活(huo)塞桿彎曲,液壓(ya)缸或(huo)活(huo)塞桿對(dui)導軌安(an)裝位置(zhi)偏(pian)移,密封環裝得(de)過緊或(huo)過松(song)等。解決方法是(shi)重新修理或(huo)調整,更換損傷的零(ling)件(jian)及清除鐵屑。
(2)潤(run)滑不良(liang)或(huo)液壓(ya)(ya)缸(gang)孔徑加工超(chao)差。因為活塞(sai)與(yu)缸(gang)筒(tong)、導軌與(yu)活塞(sai)桿等(deng)均有(you)相對運動(dong),如果潤(run)滑不良(liang)或(huo)液壓(ya)(ya)缸(gang)孔徑超(chao)差,就(jiu)會加劇磨(mo)損,使缸(gang)筒(tong)中心線直線性降低。(威海力建(jian)冶金液壓(ya)(ya)設備廠)