
威海(hai)力建液壓設(she)備廠
經營模(mo)式:生產加工
地址(zhi):山東省威海(hai)市羊亭孫(sun)家灘工業園
主營:液壓缸(gang)(gang),油缸(gang)(gang),液壓系(xi)統
業務熱(re)線:
QQ:3049278720
伸縮式液壓缸
伸縮(suo)(suo)式(shi)液壓缸具有二級或(huo)多級活塞,伸縮(suo)(suo)式(shi)液壓缸中活塞伸出的順序式(shi)從大(da)到小(xiao),而空載縮(suo)(suo)回的順序則一(yi)般是從小(xiao)到大(da)。伸縮(suo)(suo)缸可實(shi)現(xian)較長的行(xing)程(cheng),而縮(suo)(suo)回時長度較短(duan),結構較為緊湊。此種液壓缸常用于工程(cheng)機械和(he)農業(ye)機械上(shang)。有多個一(yi)次(ci)運(yun)動(dong)的活塞,各活塞逐次(ci)運(yun)動(dong)時,其輸出速度和(he)輸出力(li)均(jun)是變化的。(威海力(li)建冶金液壓設備廠(chang))





擺動式液壓缸
擺(bai)動(dong)(dong)(dong)式(shi)液壓缸(gang)是輸出扭矩并實(shi)(shi)現往復運(yun)動(dong)(dong)(dong)的執(zhi)行元(yuan)件(jian),有單葉(xie)片、雙(shuang)葉(xie)片、螺(luo)(luo)旋擺(bai)動(dong)(dong)(dong)等幾種(zhong)形(xing)式(shi)。葉(xie)片式(shi)式(shi):定(ding)子(zi)塊(kuai)固定(ding)在缸(gang)體(ti)上(shang),而葉(xie)片和轉(zhuan)子(zi)連(lian)接在一(yi)起。根(gen)據進油(you)方向(xiang),葉(xie)片將帶動(dong)(dong)(dong)轉(zhuan)子(zi)作往復擺(bai)動(dong)(dong)(dong)。螺(luo)(luo)旋擺(bai)動(dong)(dong)(dong)式(shi)又分單螺(luo)(luo)旋擺(bai)動(dong)(dong)(dong)和雙(shuang)螺(luo)(luo)旋兩(liang)種(zhong),現在雙(shuang)螺(luo)(luo)旋比較常(chang)用,靠兩(liang)個螺(luo)(luo)旋副降液壓缸(gang)內活塞的直線(xian)運(yun)動(dong)(dong)(dong)轉(zhuan)變為直線(xian)運(yun)動(dong)(dong)(dong)與自轉(zhuan)運(yun)動(dong)(dong)(dong)的復he運(yun)動(dong)(dong)(dong),從(cong)而實(shi)(shi)現擺(bai)動(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)。
例如:活塞(sai)與活塞(sai)桿不同心(xin)或(huo)活塞(sai)桿彎(wan)曲,液(ye)壓缸或(huo)活塞(sai)桿對導軌安裝(zhuang)位(wei)置偏移(yi),密封環(huan)裝(zhuang)得過緊或(huo)過松等(deng)。解決方法是(shi)重(zhong)新修理或(huo)調整,更換損傷的(de)零(ling)件及清除鐵屑。
(2)潤滑(hua)不良或液壓缸孔徑加工超差。因(yin)為(wei)活(huo)塞(sai)與(yu)缸筒(tong)、導(dao)軌與(yu)活(huo)塞(sai)桿等均(jun)有相對運動,如果潤滑(hua)不良或液壓缸孔徑超差,就會加劇磨損(sun),使缸筒(tong)中心線直線性降低。(威海力建冶金液壓設(she)備廠)