轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)機總成即轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi),又名轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)機、方向(xiang)(xiang)(xiang)機,它是(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系中最重(zhong)要(yao)的(de)(de)部件。它的(de)(de)作用是(shi):增大(da)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤(pan)(pan)傳到轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳動機構的(de)(de)力(li)(li)(li)和改(gai)變力(li)(li)(li)的(de)(de)傳遞(di)方向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)的(de)(de)操縱是(shi)全液壓(ya)(ya)(ya)式(shi)(shi),也(ye)就是(shi)說在(zai)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱(zhu)和轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪(lun)之間(jian)沒有(you)機械連接(jie),在(zai)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)與轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)油(you)缸之間(jian)是(shi)液壓(ya)(ya)(ya)管(guan)或軟管(guan)鏈接(jie)。當轉(zhuan)(zhuan)動方向(xiang)(xiang)(xiang)盤(pan)(pan),轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)根據(ju)方向(xiang)(xiang)(xiang)盤(pan)(pan)轉(zhuan)(zhuan)動比例輸送(song)相(xiang)(xiang)對(dui)的(de)(de)油(you)量(liang),該(gai)油(you)量(liang)直接(jie)流(liu)到操縱缸相(xiang)(xiang)應(ying)一(yi)側,同時另一(yi)側的(de)(de)油(you)量(liang)回到油(you)箱。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)按(an)(an)結構形式(shi)(shi)可(ke)分為(wei):有(you)齒輪(lun)齒條(tiao)(tiao)式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、蝸桿曲柄指銷式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、循(xun)環球-齒條(tiao)(tiao)齒扇式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、循(xun)環球曲柄指銷式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、蝸桿滾(gun)輪(lun)式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)等。按(an)(an)照助(zhu)(zhu)(zhu)力(li)(li)(li)形式(shi)(shi)又可(ke)以(yi)分:為(wei)機械式(shi)(shi)(無助(zhu)(zhu)(zhu)力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi),和動力(li)(li)(li)式(shi)(shi)(有(you)助(zhu)(zhu)(zhu)力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)兩(liang)種,其中動力(li)(li)(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)又可(ke)以(yi)分為(wei)氣(qi)壓(ya)(ya)(ya)動力(li)(li)(li)式(shi)(shi)、液壓(ya)(ya)(ya)動力(li)(li)(li)式(shi)(shi)、電(dian)(dian)動助(zhu)(zhu)(zhu)力(li)(li)(li)式(shi)(shi)、電(dian)(dian)液助(zhu)(zhu)(zhu)力(li)(li)(li)式(shi)(shi)等種類。
2011款(kuan)(kuan)紅杉(shan)基本型(xing),是日本豐田汽車2011款(kuan)(kuan)的進(jin)口(kou)全尺寸硬(ying)漢型(xing)SUV,排(pai)量為5.7L。
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