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       液(ye)(ye)壓(ya)推(tui)桿(gan)(gan)瓦(wa)(wa)塊式(shi)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器的(de)結(jie)構(gou)(gou)如上(shang)圖所示。它(ta)的(de)驅動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)為液(ye)(ye)壓(ya)推(tui)桿(gan)(gan)裝(zhuang)置(zhi)，其制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)力也是(shi)來自主(zhu)(zhu)彈簧。液(ye)(ye)壓(ya)推(tui)桿(gan)(gan)瓦(wa)(wa)塊式(shi)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器的(de)工作(zuo)原理是(shi)：當(dang)(dang)機(ji)(ji)構(gou)(gou)電(dian)(dian)(dian)機(ji)(ji)通(tong)(tong)電(dian)(dian)(dian)時(shi)，驅動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)的(de)電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)也通(tong)(tong)電(dian)(dian)(dian)，使電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)軸(zhou)上(shang)的(de)葉輪旋轉(zhuan)(zhuan)，葉輪腔體內的(de)液(ye)(ye)體在(zai)離心力作(zuo)用(yong)下(xia)(xia)被甩出來，這些具(ju)有一定壓(ya)力的(de)液(ye)(ye)體作(zuo)用(yong)在(zai)活塞(sai)的(de)下(xia)(xia)部，推(tui)動(dong)(dong)(dong)(dong)活塞(sai)上(shang)升(sheng)，同時(shi)推(tui)動(dong)(dong)(dong)(dong)導向桿(gan)(gan)上(shang)升(sheng)，使制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器架的(de)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)臂帶(dai)動(dong)(dong)(dong)(dong)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)瓦(wa)(wa)塊，在(zai)杠桿(gan)(gan)逆時(shi)針回轉(zhuan)(zhuan)時(shi)一起動(dong)(dong)(dong)(dong)作(zuo)，使制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)瓦(wa)(wa)與(yu)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)輪分離。當(dang)(dang)機(ji)(ji)構(gou)(gou)斷(duan)電(dian)(dian)(dian)時(shi)，機(ji)(ji)構(gou)(gou)主(zhu)(zhu)電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)與(yu)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)驅動(dong)(dong)(dong)(dong)電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)同時(shi)斷(duan)電(dian)(dian)(dian)，葉輪停止轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)，活塞(sai)下(xia)(xia)部的(de)液(ye)(ye)體失去壓(ya)力，在(zai)主(zhu)(zhu)彈簧張力的(de)作(zuo)用(yong)下(xia)(xia)使推(tui)桿(gan)(gan)向下(xia)(xia)運動(dong)(dong)(dong)(dong)，制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)瓦(wa)(wa)塊又將(jiang)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)輪抱住，達到制(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)的(de)目的(de)。