
威海力(li)建(jian)液壓設備廠
經(jing)營(ying)模式:生產(chan)加工
地址:山東省威(wei)海市羊(yang)亭孫家灘工業園
主營(ying):液壓(ya)缸,油(you)缸,液壓(ya)系統
業務(wu)熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)(bai)動(dong)(dong)(dong)式液壓(ya)缸是輸出扭(niu)矩(ju)并實(shi)現(xian)往復運(yun)(yun)動(dong)(dong)(dong)的執行(xing)元件,有單葉片、雙葉片、螺(luo)(luo)旋擺(bai)(bai)動(dong)(dong)(dong)等(deng)幾種形式。葉片式式:定(ding)子(zi)塊固定(ding)在(zai)缸體(ti)上,而(er)葉片和轉子(zi)連接在(zai)一(yi)起(qi)。根(gen)據進(jin)油方(fang)向(xiang),葉片將帶動(dong)(dong)(dong)轉子(zi)作往復擺(bai)(bai)動(dong)(dong)(dong)。螺(luo)(luo)旋擺(bai)(bai)動(dong)(dong)(dong)式又(you)分單螺(luo)(luo)旋擺(bai)(bai)動(dong)(dong)(dong)和雙螺(luo)(luo)旋兩種,現(xian)在(zai)雙螺(luo)(luo)旋比較常用,靠兩個(ge)螺(luo)(luo)旋副降液壓(ya)缸內活塞的直(zhi)線運(yun)(yun)動(dong)(dong)(dong)轉變(bian)為(wei)直(zhi)線運(yun)(yun)動(dong)(dong)(dong)與自轉運(yun)(yun)動(dong)(dong)(dong)的復he運(yun)(yun)動(dong)(dong)(dong),從而(er)實(shi)現(xian)擺(bai)(bai)動(dong)(dong)(dong)運(yun)(yun)動(dong)(dong)(dong)。





緩沖裝置
在(zai)液壓(ya)(ya)系統(tong)中使(shi)用(yong)液壓(ya)(ya)缸(gang)(gang)(gang)驅(qu)動具有(you)一定質量的機構,當液壓(ya)(ya)缸(gang)(gang)(gang)運(yun)動至行程終點時具有(you)較大動能,如(ru)未(wei)作減(jian)速處(chu)理,液壓(ya)(ya)缸(gang)(gang)(gang)活塞與缸(gang)(gang)(gang)蓋將(jiang)發(fa)生機械碰撞,產生沖(chong)擊、噪聲(sheng),有(you)破壞性。為緩和及防(fang)止這(zhe)種(zhong)危害(hai)發(fa)生,因(yin)此可在(zai)液壓(ya)(ya)回路中設(she)(she)置減(jian)速裝(zhuang)置或在(zai)缸(gang)(gang)(gang)體內設(she)(she)緩沖(chong)裝(zhuang)置。
加工
缸筒(tong)作為液壓(ya)缸、礦用單體支柱、液壓(ya)支架、炮管等產品(pin)(pin)的(de)主(zhu)要(yao)部件,其加(jia)(jia)工(gong)質(zhi)量的(de)好(hao)壞(huai)直(zhi)接影響(xiang)整個產品(pin)(pin)的(de)壽命和(he)可(ke)靠(kao)性(xing)。缸筒(tong)加(jia)(jia)工(gong)要(yao)求(qiu)高,其內表面(mian)粗糙(cao)度要(yao)求(qiu)為Ra0.4~0.8&um,對同軸度、耐磨性(xing)要(yao)求(qiu)嚴格。缸筒(tong)的(de)基本特征(zheng)是深(shen)孔加(jia)(jia)工(gong),其加(jia)(jia)工(gong)一直(zhi)困(kun)擾加(jia)(jia)工(gong)人員。
例如:活(huo)塞(sai)與活(huo)塞(sai)桿不同心或活(huo)塞(sai)桿彎曲,液壓缸或活(huo)塞(sai)桿對(dui)導軌安裝位(wei)置偏移(yi),密(mi)封環裝得過緊或過松等。解決方法是重新修理或調(diao)整,更換損(sun)傷(shang)的零件及清(qing)除鐵屑(xie)。
(2)潤(run)滑(hua)不(bu)良或液壓缸(gang)孔徑加工超差。因為活(huo)(huo)塞與缸(gang)筒、導軌與活(huo)(huo)塞桿(gan)等均有(you)相(xiang)對(dui)運(yun)動,如果潤(run)滑(hua)不(bu)良或液壓缸(gang)孔徑超差,就會加劇(ju)磨(mo)損,使缸(gang)筒中心線直線性降(jiang)低(di)。(威海力(li)建(jian)冶(ye)金液壓設備廠)