轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)總(zong)成(cheng)即轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi),又(you)名轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)、方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji),它(ta)(ta)是轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)系中(zhong)(zhong)最重要的(de)(de)部件(jian)。它(ta)(ta)的(de)(de)作(zuo)用是:增大轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤傳到轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)傳動機(ji)構(gou)的(de)(de)力(li)和改變力(li)的(de)(de)傳遞方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)的(de)(de)操縱(zong)是全液壓式(shi)(shi)(shi)(shi)(shi),也就是說在轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)輪(lun)(lun)之(zhi)間(jian)沒有(you)機(ji)械連接(jie),在轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)與轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)油(you)(you)缸之(zhi)間(jian)是液壓管或(huo)軟(ruan)管鏈接(jie)。當轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)根據方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動比例(li)輸(shu)送相(xiang)對的(de)(de)油(you)(you)量,該油(you)(you)量直接(jie)流到操縱(zong)缸相(xiang)應(ying)一側,同(tong)時另一側的(de)(de)油(you)(you)量回到油(you)(you)箱。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)按結(jie)構(gou)形式(shi)(shi)(shi)(shi)(shi)可(ke)(ke)分(fen)為:有(you)齒(chi)(chi)輪(lun)(lun)齒(chi)(chi)條式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、蝸桿曲(qu)柄指(zhi)銷式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、循環(huan)球-齒(chi)(chi)條齒(chi)(chi)扇式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、循環(huan)球曲(qu)柄指(zhi)銷式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、蝸桿滾輪(lun)(lun)式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)等。按照助(zhu)(zhu)力(li)形式(shi)(shi)(shi)(shi)(shi)又(you)可(ke)(ke)以(yi)分(fen):為機(ji)械式(shi)(shi)(shi)(shi)(shi)(無(wu)助(zhu)(zhu)力(li))轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi),和動力(li)式(shi)(shi)(shi)(shi)(shi)(有(you)助(zhu)(zhu)力(li))轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)兩種(zhong),其中(zhong)(zhong)動力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)又(you)可(ke)(ke)以(yi)分(fen)為氣壓動力(li)式(shi)(shi)(shi)(shi)(shi)、液壓動力(li)式(shi)(shi)(shi)(shi)(shi)、電(dian)(dian)動助(zhu)(zhu)力(li)式(shi)(shi)(shi)(shi)(shi)、電(dian)(dian)液助(zhu)(zhu)力(li)式(shi)(shi)(shi)(shi)(shi)等種(zhong)類(lei)。
沃(wo)爾沃(wo)全新(xin)V90旅(lv)(lv)行車(che)將(jiang)于(yu)2月18日在(zai)(zai)瑞典斯德哥爾摩正(zheng)式(shi)發布,隨后預(yu)計(ji)在(zai)(zai)9月份在(zai)(zai)海(hai)外正(zheng)式(shi)上市。作(zuo)為(wei)全新(xin)S90轎車(che)的旅(lv)(lv)行車(che)版(ban)本,V90自(zi)然(ran)也會豐富的看點,而且(qie)未來可能會以進口的身份進入中國。
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