轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)總(zong)成即(ji)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi),又(you)名轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)、方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji),它是轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)系中最(zui)重要的部(bu)件。它的作用(yong)是:增大轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)盤傳到(dao)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)傳動(dong)機(ji)構的力(li)和(he)改變力(li)的傳遞方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)的操(cao)縱是全液(ye)(ye)壓(ya)(ya)式(shi)(shi)(shi)(shi),也就是說在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)柱和(he)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)輪(lun)之間(jian)(jian)沒有機(ji)械連接(jie),在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)與(yu)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)油(you)缸之間(jian)(jian)是液(ye)(ye)壓(ya)(ya)管或軟管鏈(lian)接(jie)。當(dang)轉(zhuan)(zhuan)動(dong)方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)根據方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)動(dong)比例輸送相對(dui)的油(you)量,該油(you)量直接(jie)流到(dao)操(cao)縱缸相應一側,同時另一側的油(you)量回到(dao)油(you)箱(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)按結構形(xing)式(shi)(shi)(shi)(shi)可(ke)分為:有齒(chi)(chi)輪(lun)齒(chi)(chi)條(tiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿曲柄(bing)(bing)指銷式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、循環球-齒(chi)(chi)條(tiao)齒(chi)(chi)扇式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、循環球曲柄(bing)(bing)指銷式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿滾輪(lun)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)等(deng)。按照助力(li)形(xing)式(shi)(shi)(shi)(shi)又(you)可(ke)以(yi)分:為機(ji)械式(shi)(shi)(shi)(shi)(無助力(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi),和(he)動(dong)力(li)式(shi)(shi)(shi)(shi)(有助力(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)兩(liang)種(zhong),其中動(dong)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)又(you)可(ke)以(yi)分為氣壓(ya)(ya)動(dong)力(li)式(shi)(shi)(shi)(shi)、液(ye)(ye)壓(ya)(ya)動(dong)力(li)式(shi)(shi)(shi)(shi)、電(dian)動(dong)助力(li)式(shi)(shi)(shi)(shi)、電(dian)液(ye)(ye)助力(li)式(shi)(shi)(shi)(shi)等(deng)種(zhong)類。
雪(xue)佛(fo)蘭lg是雪(xue)佛(fo)蘭旗下的(de)一款(kuan)商務(wu)車,采用了1.5T發動(dong)(dong)機,滿足商務(wu)接待的(de)需求。2018年12月24日,新(xin)款(kuan)邁銳寶XL正式上(shang)市,新(xin)車造型(xing)(xing)將延(yan)續海外(wai)版車型(xing)(xing)的(de)設(she)計(ji)風格(ge),配置方(fang)面有所提升,將搭載1.3T/2.0T兩種(zhong)動(dong)(dong)力總成(cheng),傳動(dong)(dong)匹配9AT變(bian)速箱。
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