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活塞式液壓缸

單活(huo)塞桿(gan)(gan)液壓(ya)缸只有(you)一端有(you)活(huo)塞桿(gan)(gan)。如圖所示(shi)是一種單活(huo)塞液壓(ya)缸。其(qi)兩(liang)端進出口(kou)油口(kou)A和B都(dou)可(ke)通壓(ya)力油或回油，以實現雙(shuang)(shuang)向運動，故稱為雙(shuang)(shuang)作用缸。

活(huo)塞僅能單向運(yun)動(dong)，其(qi)反方向運(yun)動(dong)需由外力來完成。但其(qi)行程一(yi)般較(jiao)活(huo)塞式(shi)液壓缸大。

活(huo)塞式液壓(ya)缸可分為單桿(gan)式和(he)雙(shuang)桿(gan)式兩(liang)種結構，其固定(ding)方式由(you)缸體固定(ding)和(he)活(huo)塞桿(gan)固定(ding)兩(liang)種。、

擺動式液壓缸

擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)(dong)(dong)式液壓(ya)缸(gang)是輸出扭矩(ju)并(bing)實現往復(fu)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)執行(xing)元件(jian)，有(you)單(dan)葉(xie)(xie)(xie)(xie)片(pian)(pian)、雙葉(xie)(xie)(xie)(xie)片(pian)(pian)、螺旋擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)(dong)(dong)等幾種形式。葉(xie)(xie)(xie)(xie)片(pian)(pian)式式：定(ding)(ding)子塊固定(ding)(ding)在缸(gang)體(ti)上(shang)，而葉(xie)(xie)(xie)(xie)片(pian)(pian)和轉(zhuan)子連接在一起。根據進油方向，葉(xie)(xie)(xie)(xie)片(pian)(pian)將帶動(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)子作往復(fu)擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)(dong)(dong)。螺旋擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)(dong)(dong)式又分單(dan)螺旋擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)(dong)(dong)和雙螺旋兩(liang)種，現在雙螺旋比較(jiao)常用，靠兩(liang)個螺旋副(fu)降液壓(ya)缸(gang)內活塞(sai)的(de)直(zhi)(zhi)線運動(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)變為(wei)直(zhi)(zhi)線運動(dong)(dong)(dong)(dong)(dong)(dong)與自轉(zhuan)運動(dong)(dong)(dong)(dong)(dong)(dong)的(de)復(fu)he運動(dong)(dong)(dong)(dong)(dong)(dong)，從而實現擺(bai)(bai)(bai)動(dong)(dong)(dong)(dong)(dong)(dong)運動(dong)(dong)(dong)(dong)(dong)(dong)。

6、材(cai)料固化后(hou)，用(yong)細(xi)磨石(shi)或刮dao，將高出(chu)導軌(gui)表面的(de)材(cai)料修(xiu)復平整，施工完(wan)畢。

注意事項：

為(wei)了確(que)保(bao)(bao)設備的(de)正常(chang)工作運(yun)行，必須保(bao)(bao)證：

1、嚴格、謹慎安裝；

2、清洗設(she)備存(cun)留的(de)油灰(hui)及(ji)雜質；

3、更換(huan)潤(run)滑(hua)油，完(wan)善(shan)設(she)備潤(run)滑(hua)系統。

4、更換擋霄(xiao)器(qi)，確(que)保有效的清(qing)理(li)導軌上的鐵屑

叉(cha)車液壓系統常見(jian)故障(zhang)檢查(cha)與排除

叉車的主(zhu)要液(ye)壓(ya)作業部(bu)分有起升缸(gang)(gang)和傾斜缸(gang)(gang)，其故(gu)障檢查與(yu)排除方法(fa)列舉(ju)如下 ：