轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji)總成即轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi),又名轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji)、方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji),它是(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)系中最重要(yao)的(de)部件。它的(de)作(zuo)用是(shi)(shi):增(zeng)大(da)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan)傳(chuan)到轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)傳(chuan)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)構的(de)力(li)(li)和改變力(li)(li)的(de)傳(chuan)遞方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)的(de)操縱是(shi)(shi)全液(ye)(ye)壓(ya)式(shi)(shi)(shi)(shi),也就(jiu)是(shi)(shi)說在轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)柱(zhu)和轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)輪(lun)之間(jian)沒有機(ji)(ji)(ji)械(xie)連接,在轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)與(yu)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)油(you)(you)缸(gang)之間(jian)是(shi)(shi)液(ye)(ye)壓(ya)管或軟管鏈(lian)接。當轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)根據方向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)比例輸(shu)送相(xiang)對(dui)的(de)油(you)(you)量(liang),該油(you)(you)量(liang)直接流到操縱缸(gang)相(xiang)應(ying)一(yi)側(ce),同時另一(yi)側(ce)的(de)油(you)(you)量(liang)回(hui)到油(you)(you)箱。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)按結構形式(shi)(shi)(shi)(shi)可分(fen)為:有齒(chi)輪(lun)齒(chi)條式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、蝸(gua)(gua)桿曲柄指(zhi)銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、循環球-齒(chi)條齒(chi)扇式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、循環球曲柄指(zhi)銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、蝸(gua)(gua)桿滾(gun)輪(lun)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)等。按照助(zhu)力(li)(li)形式(shi)(shi)(shi)(shi)又可以分(fen):為機(ji)(ji)(ji)械(xie)式(shi)(shi)(shi)(shi)(無助(zhu)力(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi),和動(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(shi)(shi)(有助(zhu)力(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)兩種,其(qi)中動(dong)(dong)(dong)(dong)力(li)(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)又可以分(fen)為氣壓(ya)動(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(shi)(shi)、液(ye)(ye)壓(ya)動(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(shi)(shi)、電動(dong)(dong)(dong)(dong)助(zhu)力(li)(li)式(shi)(shi)(shi)(shi)、電液(ye)(ye)助(zhu)力(li)(li)式(shi)(shi)(shi)(shi)等種類(lei)。
九龍(long)專(zhuan)用車(che)(che)(che)是九龍(long)汽車(che)(che)(che)為專(zhuan)業領(ling)域開(kai)發的(de)車(che)(che)(che)型,比如(ru)九龍(long)救護車(che)(che)(che)、九龍(long)警用車(che)(che)(che)、九龍(long)煙(yan)草車(che)(che)(che)等。
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