
威海(hai)力建液壓設備(bei)廠
經營模式:生產加工
地(di)址:山東省威海市羊亭孫家灘工業園
主營(ying):液壓(ya)缸,油缸,液壓(ya)系統
業(ye)務熱線:
QQ:3049278720
擺動式液壓缸
擺動(dong)(dong)式液壓(ya)缸是輸出扭矩(ju)并實現(xian)往復運(yun)(yun)動(dong)(dong)的執行元件,有單(dan)葉(xie)(xie)片(pian)(pian)(pian)(pian)、雙葉(xie)(xie)片(pian)(pian)(pian)(pian)、螺(luo)旋(xuan)(xuan)(xuan)擺動(dong)(dong)等幾種形式。葉(xie)(xie)片(pian)(pian)(pian)(pian)式式:定(ding)子塊固定(ding)在(zai)缸體上,而葉(xie)(xie)片(pian)(pian)(pian)(pian)和(he)(he)轉子連接在(zai)一起。根據進油(you)方向,葉(xie)(xie)片(pian)(pian)(pian)(pian)將帶(dai)動(dong)(dong)轉子作(zuo)往復擺動(dong)(dong)。螺(luo)旋(xuan)(xuan)(xuan)擺動(dong)(dong)式又分(fen)單(dan)螺(luo)旋(xuan)(xuan)(xuan)擺動(dong)(dong)和(he)(he)雙螺(luo)旋(xuan)(xuan)(xuan)兩(liang)(liang)種,現(xian)在(zai)雙螺(luo)旋(xuan)(xuan)(xuan)比(bi)較常用,靠兩(liang)(liang)個螺(luo)旋(xuan)(xuan)(xuan)副降液壓(ya)缸內(nei)活塞的直(zhi)線(xian)運(yun)(yun)動(dong)(dong)轉變(bian)為直(zhi)線(xian)運(yun)(yun)動(dong)(dong)與自(zi)轉運(yun)(yun)動(dong)(dong)的復he運(yun)(yun)動(dong)(dong),從而實現(xian)擺動(dong)(dong)運(yun)(yun)動(dong)(dong)。





(1)閥(fa)芯卡住(zhu)(zhu)或(huo)閥(fa)孔(kong)堵(du)塞(sai)。當流量閥(fa)或(huo)方向(xiang)閥(fa)閥(fa)芯卡住(zhu)(zhu)或(huo)閥(fa)孔(kong)堵(du)塞(sai)時,液壓缸(gang)易發生(sheng)誤動作(zuo)或(huo)動作(zuo)失靈。此時應檢(jian)查(cha)油(you)液的(de)污(wu)染情況(kuang);檢(jian)查(cha)臟物或(huo)膠質沉淀物是否卡住(zhu)(zhu)閥(fa)芯或(huo)堵(du)塞(sai)閥(fa)孔(kong);檢(jian)查(cha)閥(fa)體的(de)磨損情況(kuang),清(qing)洗、更換系(xi)統(tong)過濾器,清(qing)洗油(you)箱,更換液壓介質。
(2)活塞(sai)桿(gan)與缸筒(tong)卡(ka)住(zhu)或液(ye)壓缸堵塞(sai)。此時(shi)無論如何操縱,液(ye)壓缸都不動(dong)作或動(dong)作甚微。這時(shi)應檢(jian)查(cha)活塞(sai)及活塞(sai)桿(gan)密(mi)封(feng)是(shi)否(fou)(fou)太緊,是(shi)否(fou)(fou)進入臟物(wu)及膠質沉淀(dian)物(wu):活塞(sai)桿(gan)與缸筒(tong)的(de)軸心(xin)線是(shi)否(fou)(fou)對中,易(yi)損件和密(mi)封(feng)件是(shi)否(fou)(fou)失效,所帶負荷是(shi)否(fou)(fou)太大(da)。
這樣,活塞在液壓缸內(nei)工作時,摩擦阻力會時大時小,產(chan)生滑移或爬行。排(pai)除辦(ban)法是先修磨液壓缸,再按配(pei)合要求(qiu)配(pei)制活塞,修磨活塞桿(gan),配(pei)置(zhi)導向套(tao)。
(3)液壓泵或(huo)液壓缸(gang)進入空氣。空氣壓縮或(huo)膨脹會造成活塞滑移或(huo)爬(pa)行(xing)(xing)。排(pai)除(chu)措施是檢(jian)查液壓泵,設置專門(men)的(de)排(pai)氣裝置,快(kuai)速(su)操作全行(xing)(xing)程往返(fan)數(shu)次排(pai)氣。
(4)密封件質量(liang)與滑移或爬行有直接關系。