轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)總成(cheng)即(ji)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi),又(you)(you)名轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)、方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji),它(ta)是(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)系(xi)中(zhong)最(zui)重要的(de)(de)部件。它(ta)的(de)(de)作用是(shi):增(zeng)大轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan)傳到轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)傳動(dong)機(ji)構(gou)的(de)(de)力(li)(li)(li)和改變力(li)(li)(li)的(de)(de)傳遞方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)的(de)(de)操縱是(shi)全液(ye)壓式(shi)(shi)(shi)(shi),也就(jiu)是(shi)說在(zai)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)輪(lun)(lun)之間沒有(you)機(ji)械(xie)連接,在(zai)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)與轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)油(you)缸之間是(shi)液(ye)壓管或軟管鏈接。當轉(zhuan)(zhuan)動(dong)方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)根據方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)動(dong)比例輸送相對的(de)(de)油(you)量(liang),該(gai)油(you)量(liang)直(zhi)接流到操縱缸相應一(yi)側,同時另一(yi)側的(de)(de)油(you)量(liang)回(hui)到油(you)箱。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)按結構(gou)形(xing)(xing)式(shi)(shi)(shi)(shi)可分(fen)為:有(you)齒(chi)(chi)輪(lun)(lun)齒(chi)(chi)條式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿曲柄指銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、循環球-齒(chi)(chi)條齒(chi)(chi)扇式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、循環球曲柄指銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿滾輪(lun)(lun)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)等(deng)。按照助(zhu)力(li)(li)(li)形(xing)(xing)式(shi)(shi)(shi)(shi)又(you)(you)可以(yi)分(fen):為機(ji)械(xie)式(shi)(shi)(shi)(shi)(無助(zhu)力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi),和動(dong)力(li)(li)(li)式(shi)(shi)(shi)(shi)(有(you)助(zhu)力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)兩(liang)種(zhong),其中(zhong)動(dong)力(li)(li)(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)又(you)(you)可以(yi)分(fen)為氣壓動(dong)力(li)(li)(li)式(shi)(shi)(shi)(shi)、液(ye)壓動(dong)力(li)(li)(li)式(shi)(shi)(shi)(shi)、電動(dong)助(zhu)力(li)(li)(li)式(shi)(shi)(shi)(shi)、電液(ye)助(zhu)力(li)(li)(li)式(shi)(shi)(shi)(shi)等(deng)種(zhong)類。
夏(xia)利N3是天津一汽推(tui)出(chu)的一款車(che)型。該車(che)為整體式水珠造(zao)型晶鉆前大燈,水平(ping)鍍(du)鉻格柵。夏(xia)利N3為乘(cheng)員帶來(lai)了更為舒適(shi)的駕乘(cheng)空間(jian)。N3不僅超越了夏(xia)利品牌(pai)原(yuan)有的莊重內斂的風格,而且顯著提升(sheng)了產品的品質。
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