轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機總成(cheng)即轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi),又(you)名轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機、方(fang)向(xiang)(xiang)(xiang)(xiang)機,它是轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)系中(zhong)最重要(yao)的(de)(de)部件。它的(de)(de)作(zuo)用是:增大(da)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)盤傳(chuan)到轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)傳(chuan)動(dong)機構的(de)(de)力(li)(li)和改變力(li)(li)的(de)(de)傳(chuan)遞方(fang)向(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)的(de)(de)操縱是全(quan)液(ye)壓式(shi)(shi)(shi)(shi)(shi),也就是說(shuo)在(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)輪之間沒有機械(xie)連接,在(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)與轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)油(you)缸之間是液(ye)壓管或(huo)軟管鏈(lian)接。當(dang)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)方(fang)向(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)根據方(fang)向(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)比例輸送相對(dui)的(de)(de)油(you)量(liang),該油(you)量(liang)直接流(liu)到操縱缸相應一側,同時(shi)另一側的(de)(de)油(you)量(liang)回到油(you)箱。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)按結構形式(shi)(shi)(shi)(shi)(shi)可分(fen)為(wei):有齒(chi)輪齒(chi)條(tiao)式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸(gua)桿曲(qu)柄指(zhi)(zhi)銷式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環球(qiu)-齒(chi)條(tiao)齒(chi)扇式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環球(qiu)曲(qu)柄指(zhi)(zhi)銷式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸(gua)桿滾輪式(shi)(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)等。按照(zhao)助力(li)(li)形式(shi)(shi)(shi)(shi)(shi)又(you)可以分(fen):為(wei)機械(xie)式(shi)(shi)(shi)(shi)(shi)(無助力(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi),和動(dong)力(li)(li)式(shi)(shi)(shi)(shi)(shi)(有助力(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)兩種,其(qi)中(zhong)動(dong)力(li)(li)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)又(you)可以分(fen)為(wei)氣(qi)壓動(dong)力(li)(li)式(shi)(shi)(shi)(shi)(shi)、液(ye)壓動(dong)力(li)(li)式(shi)(shi)(shi)(shi)(shi)、電(dian)動(dong)助力(li)(li)式(shi)(shi)(shi)(shi)(shi)、電(dian)液(ye)助力(li)(li)式(shi)(shi)(shi)(shi)(shi)等種類。
smart將(jiang)在廣州(zhou)車展(zhan)首次(ci)國內亮相五(wu)門車型smart forfour,目前smart forfour已到達廣州(zhou)車展(zhan)展(zhan)館外(wai)。2015廣州(zhou)車展(zhan)將(jiang)于11月20正(zheng)式開幕
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