
威海(hai)力(li)建(jian)液壓(ya)設備廠
經營模(mo)式:生產加(jia)工
地址:山東省威海市羊亭(ting)孫家灘工業園
主營:液壓缸(gang),油缸(gang),液壓系(xi)統
業務熱(re)線:
QQ:3049278720
擺動式液壓缸
擺動(dong)(dong)式液壓缸是輸(shu)出扭矩并實(shi)現(xian)往復運(yun)動(dong)(dong)的執行元件,有單葉片(pian)、雙(shuang)葉片(pian)、螺(luo)(luo)旋(xuan)(xuan)擺動(dong)(dong)等幾(ji)種形式。葉片(pian)式式:定子塊(kuai)固(gu)定在(zai)缸體上,而葉片(pian)和轉子連接(jie)在(zai)一起。根據進油方向,葉片(pian)將帶(dai)動(dong)(dong)轉子作往復擺動(dong)(dong)。螺(luo)(luo)旋(xuan)(xuan)擺動(dong)(dong)式又分單螺(luo)(luo)旋(xuan)(xuan)擺動(dong)(dong)和雙(shuang)螺(luo)(luo)旋(xuan)(xuan)兩(liang)(liang)種,現(xian)在(zai)雙(shuang)螺(luo)(luo)旋(xuan)(xuan)比(bi)較常用,靠兩(liang)(liang)個螺(luo)(luo)旋(xuan)(xuan)副降液壓缸內活塞(sai)的直線(xian)運(yun)動(dong)(dong)轉變為(wei)直線(xian)運(yun)動(dong)(dong)與自轉運(yun)動(dong)(dong)的復he運(yun)動(dong)(dong),從而實(shi)現(xian)擺動(dong)(dong)運(yun)動(dong)(dong)。





例(li)如:活塞(sai)與活塞(sai)桿(gan)不(bu)同心或(huo)活塞(sai)桿(gan)彎曲(qu),液(ye)壓缸或(huo)活塞(sai)桿(gan)對(dui)導(dao)軌安裝(zhuang)位置偏移,密封環裝(zhuang)得過緊或(huo)過松等。解決方法是重新修理(li)或(huo)調整,更換損傷的零件及清除鐵屑。
(2)潤滑(hua)不良(liang)或液(ye)壓缸孔徑加工超(chao)差(cha)。因為活(huo)(huo)塞與(yu)缸筒、導軌與(yu)活(huo)(huo)塞桿等均有相(xiang)對運動,如果潤滑(hua)不良(liang)或液(ye)壓缸孔徑超(chao)差(cha),就(jiu)會(hui)加劇(ju)磨損,使缸筒中(zhong)心線(xian)(xian)直(zhi)線(xian)(xian)性降低。(威海力建冶(ye)金(jin)液(ye)壓設備(bei)廠)
零部件(jian)加(jia)工(gong)(gong)精度(du)的影響問題,在液壓(ya)缸的制(zhi)(zhi)造過程中(zhong)應嚴格控制(zhi)(zhi)缸體(ti)內(nei)壁和(he)活(huo)塞(sai)桿表(biao)面(mian)加(jia)工(gong)(gong)精度(du),特別是(shi)幾何精度(du),尤其(qi)直(zhi)(zhi)線(xian)度(du)是(shi)關(guan)鍵,在國(guo)內(nei)加(jia)工(gong)(gong)工(gong)(gong)藝中(zhong),活(huo)塞(sai)桿表(biao)面(mian)的加(jia)工(gong)(gong)基本上(shang)是(shi)車后(hou)磨(mo)(mo)(mo)削,保證(zheng)直(zhi)(zhi)線(xian)度(du)問題不大,但對于(yu)缸體(ti)內(nei)壁的加(jia)工(gong)(gong),其(qi)加(jia)工(gong)(gong)方法很多,有鏜削-滾壓(ya)、鏜削-珩(heng)(heng)磨(mo)(mo)(mo)、直(zhi)(zhi)接珩(heng)(heng)磨(mo)(mo)(mo)等(deng),但由于(yu)國(guo)內(nei)材料(liao)的基礎水(shui)平較國(guo)外有差距,管(guan)材坯料(liao)直(zhi)(zhi)線(xian)度(du)差,壁厚不均勻、硬度(du)不均勻等(deng)因素,往往直(zhi)(zhi)接影響缸體(ti)內(nei)壁加(jia)工(gong)(gong)后(hou)的直(zhi)(zhi)線(xian)度(du),因此(ci)建(jian)議采用(yong)鏜削-滾壓(ya)、鏜削-珩(heng)(heng)磨(mo)(mo)(mo)工(gong)(gong)藝,如(ru)直(zhi)(zhi)接珩(heng)(heng)磨(mo)(mo)(mo),則(ze)必須(xu)首(shou)先提(ti)高管(guan)材坯料(liao)的直(zhi)(zhi)線(xian)度(du)。
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在允許的(de)情況下,液壓缸(gang)的(de)缸(gang)體(ti)壁厚(hou)安全(quan)系數(shu)盡(jin)量(liang)選(xuan)大一(yi)些,使缸(gang)體(ti)厚(hou)壁增加,特(te)別是高壓工況下使用(yong)的(de)油(you)缸(gang),以減小油(you)壓下的(de)缸(gang)體(ti)變形,變形后的(de)缸(gang)體(ti)也會引起液壓缸(gang)低速爬行(xing)。