
威海力建液壓設備廠
經營模(mo)式:生產加工
地址:山東省威海市羊亭(ting)孫家灘工業園
主營(ying):液壓缸,油缸,液壓系(xi)統
業務熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)(bai)動(dong)(dong)(dong)式(shi)液壓(ya)缸是輸(shu)出(chu)扭矩并實(shi)現往復運(yun)動(dong)(dong)(dong)的(de)執行元(yuan)件,有單葉(xie)(xie)片、雙(shuang)葉(xie)(xie)片、螺(luo)旋(xuan)(xuan)(xuan)擺(bai)(bai)動(dong)(dong)(dong)等幾(ji)種形式(shi)。葉(xie)(xie)片式(shi)式(shi):定子(zi)塊固定在(zai)(zai)缸體上,而葉(xie)(xie)片和轉(zhuan)子(zi)連(lian)接在(zai)(zai)一起。根(gen)據進油(you)方向,葉(xie)(xie)片將帶動(dong)(dong)(dong)轉(zhuan)子(zi)作往復擺(bai)(bai)動(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)(xuan)擺(bai)(bai)動(dong)(dong)(dong)式(shi)又分(fen)單螺(luo)旋(xuan)(xuan)(xuan)擺(bai)(bai)動(dong)(dong)(dong)和雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)兩種,現在(zai)(zai)雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)比(bi)較常用,靠(kao)兩個螺(luo)旋(xuan)(xuan)(xuan)副降液壓(ya)缸內(nei)活(huo)塞的(de)直線運(yun)動(dong)(dong)(dong)轉(zhuan)變為直線運(yun)動(dong)(dong)(dong)與(yu)自(zi)轉(zhuan)運(yun)動(dong)(dong)(dong)的(de)復he運(yun)動(dong)(dong)(dong),從(cong)而實(shi)現擺(bai)(bai)動(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)。





緩沖裝置
在(zai)液壓系(xi)統中使用液壓缸(gang)(gang)(gang)驅動(dong)具有(you)(you)一定質(zhi)量的機(ji)構,當液壓缸(gang)(gang)(gang)運(yun)動(dong)至行程終點時(shi)具有(you)(you)較大動(dong)能,如(ru)未作(zuo)減(jian)速(su)處理,液壓缸(gang)(gang)(gang)活塞與缸(gang)(gang)(gang)蓋將發(fa)生機(ji)械碰撞,產生沖(chong)擊、噪聲(sheng),有(you)(you)破壞性(xing)。為(wei)緩和及防止這種(zhong)危害發(fa)生,因此可在(zai)液壓回路中設置減(jian)速(su)裝置或在(zai)缸(gang)(gang)(gang)體內設緩沖(chong)裝置。
加工
缸筒作(zuo)為(wei)液(ye)壓(ya)缸、礦用單體支(zhi)柱(zhu)、液(ye)壓(ya)支(zhi)架、炮(pao)管等(deng)產(chan)品(pin)的(de)主要(yao)(yao)部件,其加工(gong)質量的(de)好壞直(zhi)接影(ying)響整個產(chan)品(pin)的(de)壽命(ming)和可靠性(xing)。缸筒加工(gong)要(yao)(yao)求高,其內表面粗糙度(du)要(yao)(yao)求為(wei)Ra0.4~0.8&um,對同軸度(du)、耐(nai)磨性(xing)要(yao)(yao)求嚴(yan)格。缸筒的(de)基本特(te)征是深孔(kong)加工(gong),其加工(gong)一直(zhi)困擾(rao)加工(gong)人員。
例如:活(huo)(huo)塞與活(huo)(huo)塞桿(gan)不同(tong)心或(huo)活(huo)(huo)塞桿(gan)彎曲,液(ye)壓缸或(huo)活(huo)(huo)塞桿(gan)對導軌安裝位置偏移,密(mi)封環裝得過緊或(huo)過松等。解決方法(fa)是重新(xin)修理(li)或(huo)調(diao)整,更換(huan)損傷的零件(jian)及(ji)清除鐵屑(xie)。
(2)潤滑不(bu)良或(huo)液壓缸孔(kong)徑加工超差。因為(wei)活(huo)(huo)塞與(yu)缸筒(tong)、導軌(gui)與(yu)活(huo)(huo)塞桿等均有相(xiang)對運(yun)動(dong),如果潤滑不(bu)良或(huo)液壓缸孔(kong)徑超差,就會加劇磨損(sun),使缸筒(tong)中心線(xian)直線(xian)性降低。(威(wei)海力建冶(ye)金液壓設備廠(chang))