轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)總成即轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi),又(you)名轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)、方(fang)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji),它是(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)系中最(zui)重要的(de)(de)(de)部件(jian)。它的(de)(de)(de)作用是(shi)(shi):增(zeng)大轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)盤傳到轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)傳動(dong)(dong)機(ji)(ji)構(gou)的(de)(de)(de)力(li)(li)(li)和改變力(li)(li)(li)的(de)(de)(de)傳遞方(fang)向(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)的(de)(de)(de)操(cao)縱是(shi)(shi)全液(ye)(ye)壓(ya)(ya)式(shi)(shi)(shi),也就(jiu)是(shi)(shi)說在(zai)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)柱(zhu)和轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)輪之間沒有機(ji)(ji)械連接(jie)(jie),在(zai)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)與轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)油(you)(you)缸之間是(shi)(shi)液(ye)(ye)壓(ya)(ya)管(guan)或軟管(guan)鏈(lian)接(jie)(jie)。當轉(zhuan)(zhuan)動(dong)(dong)方(fang)向(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)根據(ju)方(fang)向(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)動(dong)(dong)比例(li)輸送(song)相對的(de)(de)(de)油(you)(you)量(liang),該油(you)(you)量(liang)直接(jie)(jie)流到操(cao)縱缸相應一(yi)側,同時(shi)另一(yi)側的(de)(de)(de)油(you)(you)量(liang)回(hui)到油(you)(you)箱(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)按結構(gou)形式(shi)(shi)(shi)可(ke)分(fen)為(wei):有齒(chi)輪齒(chi)條(tiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿曲柄(bing)指銷式(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)、循(xun)環(huan)球-齒(chi)條(tiao)齒(chi)扇式(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)、循(xun)環(huan)球曲柄(bing)指銷式(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿滾(gun)輪式(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)等。按照(zhao)助(zhu)力(li)(li)(li)形式(shi)(shi)(shi)又(you)可(ke)以分(fen):為(wei)機(ji)(ji)械式(shi)(shi)(shi)(無(wu)助(zhu)力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi),和動(dong)(dong)力(li)(li)(li)式(shi)(shi)(shi)(有助(zhu)力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)兩種(zhong),其中動(dong)(dong)力(li)(li)(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)又(you)可(ke)以分(fen)為(wei)氣壓(ya)(ya)動(dong)(dong)力(li)(li)(li)式(shi)(shi)(shi)、液(ye)(ye)壓(ya)(ya)動(dong)(dong)力(li)(li)(li)式(shi)(shi)(shi)、電動(dong)(dong)助(zhu)力(li)(li)(li)式(shi)(shi)(shi)、電液(ye)(ye)助(zhu)力(li)(li)(li)式(shi)(shi)(shi)等種(zhong)類。
2022年11月18日,上汽大通發布了上汽大通MAXUS V70車型的官圖,新車將于2022年12月15日亮相。該車將定位為一款輕客車型,基于上汽大通MAXUS全新平臺架構打造,并且從其命名來看,其定位將高于上汽大通MAXUS V80車型。
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