轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)總成即轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi),又名轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)、方向(xiang)(xiang)(xiang)機(ji),它(ta)是(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)系中最重要的部件。它(ta)的作用是(shi)(shi):增大轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤傳(chuan)(chuan)到轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳(chuan)(chuan)動(dong)(dong)(dong)機(ji)構的力(li)(li)(li)和改變力(li)(li)(li)的傳(chuan)(chuan)遞方向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)的操縱是(shi)(shi)全液(ye)壓(ya)式(shi)(shi),也就是(shi)(shi)說在轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪(lun)(lun)之(zhi)間沒有(you)機(ji)械(xie)連(lian)接(jie),在轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)與(yu)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)油缸之(zhi)間是(shi)(shi)液(ye)壓(ya)管(guan)或軟管(guan)鏈接(jie)。當(dang)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)方向(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)根據方向(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)比例(li)輸送(song)相(xiang)(xiang)對的油量,該(gai)油量直接(jie)流到操縱缸相(xiang)(xiang)應一(yi)側,同時另一(yi)側的油量回到油箱(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)按(an)(an)結構形式(shi)(shi)可(ke)(ke)分為:有(you)齒(chi)輪(lun)(lun)齒(chi)條(tiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)、蝸桿曲柄指銷式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)、循環球-齒(chi)條(tiao)齒(chi)扇式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)、循環球曲柄指銷式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)、蝸桿滾(gun)輪(lun)(lun)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)等。按(an)(an)照(zhao)助(zhu)力(li)(li)(li)形式(shi)(shi)又可(ke)(ke)以(yi)分:為機(ji)械(xie)式(shi)(shi)(無助(zhu)力(li)(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi),和動(dong)(dong)(dong)力(li)(li)(li)式(shi)(shi)(有(you)助(zhu)力(li)(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)兩種,其中動(dong)(dong)(dong)力(li)(li)(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)又可(ke)(ke)以(yi)分為氣壓(ya)動(dong)(dong)(dong)力(li)(li)(li)式(shi)(shi)、液(ye)壓(ya)動(dong)(dong)(dong)力(li)(li)(li)式(shi)(shi)、電動(dong)(dong)(dong)助(zhu)力(li)(li)(li)式(shi)(shi)、電液(ye)助(zhu)力(li)(li)(li)式(shi)(shi)等種類。
北汽(qi)威旺M20是(shi)北汽(qi)集團最新的一(yi)(yi)款車(che)型(xing)(xing),在造型(xing)(xing)、安全(quan)性(xing)能、空間(jian)、動力和(he)人性(xing)化配置等(deng)5大方面(mian),都有一(yi)(yi)定的優勢。北汽(qi)威旺M20于2013年推車(che),該車(che)致力于家庭用(yong)車(che)市場的開發。在外觀、安全(quan)、空間(jian)、動力等(deng)方面(mian),都有全(quan)新的設計。威旺M20共有實用(yong)型(xing)(xing)、實力型(xing)(xing)、時尚型(xing)(xing)、品尚型(xing)(xing)、樂尚型(xing)(xing)、尊尚型(xing)(xing)六款配置車(che)型(xing)(xing)
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