轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji)總成(cheng)即轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi),又(you)名轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji)、方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji),它是轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)系中(zhong)最重要的(de)部件。它的(de)作用是:增(zeng)大轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan)傳到轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)傳動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)構(gou)的(de)力(li)(li)和(he)改變(bian)力(li)(li)的(de)傳遞方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)的(de)操(cao)(cao)縱是全液壓(ya)式(shi)(shi)(shi),也就是說在(zai)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)柱和(he)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)輪之間沒有機(ji)(ji)(ji)械連接(jie),在(zai)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)與轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)油(you)缸(gang)之間是液壓(ya)管或軟(ruan)管鏈接(jie)。當轉(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)根據方(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)比例輸送相(xiang)對的(de)油(you)量,該油(you)量直接(jie)流到操(cao)(cao)縱缸(gang)相(xiang)應(ying)一側(ce),同時另一側(ce)的(de)油(you)量回到油(you)箱。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)按結(jie)構(gou)形式(shi)(shi)(shi)可(ke)分(fen)(fen)為(wei):有齒輪齒條(tiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、蝸(gua)桿(gan)(gan)曲(qu)柄指銷(xiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、循環(huan)球-齒條(tiao)齒扇式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、循環(huan)球曲(qu)柄指銷(xiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、蝸(gua)桿(gan)(gan)滾輪式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)等。按照助力(li)(li)形式(shi)(shi)(shi)又(you)可(ke)以分(fen)(fen):為(wei)機(ji)(ji)(ji)械式(shi)(shi)(shi)(無助力(li)(li))轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi),和(he)動(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(shi)(有助力(li)(li))轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)兩種(zhong),其(qi)中(zhong)動(dong)(dong)(dong)(dong)力(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)(qi)又(you)可(ke)以分(fen)(fen)為(wei)氣壓(ya)動(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(shi)、液壓(ya)動(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(shi)、電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)式(shi)(shi)(shi)、電(dian)液助力(li)(li)式(shi)(shi)(shi)等種(zhong)類(lei)。
雷(lei)克薩斯LS是雷(lei)克薩斯僅有(you)的D級(ji)車級(ji)別(bie),將舒(shu)適性、強勁動(dong)力(li)、出色(se)的操控(kong)及安全性做到了完美無缺的融合。其大氣而流暢(chang)的外觀造型、內部的諸多人性化配備(bei)將雷(lei)克薩斯L-finesse先進、優(you)雅、低調(diao)的設計(ji)理念詮釋(shi)得淋漓盡致。
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