轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)機(ji)總成即轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi),又(you)名轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)機(ji)、方(fang)向(xiang)(xiang)機(ji),它是轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系(xi)中(zhong)(zhong)最(zui)重要的(de)(de)部件(jian)。它的(de)(de)作(zuo)用是:增大轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)盤(pan)傳到轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)傳動(dong)(dong)機(ji)構(gou)的(de)(de)力(li)和改變力(li)的(de)(de)傳遞(di)方(fang)向(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)的(de)(de)操(cao)縱(zong)是全(quan)液壓(ya)式(shi)(shi)(shi)(shi),也就是說在(zai)(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)柱(zhu)和轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)輪(lun)之(zhi)(zhi)間沒有(you)機(ji)械(xie)(xie)連(lian)接,在(zai)(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)與轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)油缸之(zhi)(zhi)間是液壓(ya)管或(huo)軟管鏈接。當轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)方(fang)向(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)根據方(fang)向(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)比例(li)輸送相(xiang)(xiang)對的(de)(de)油量(liang)(liang)(liang),該(gai)油量(liang)(liang)(liang)直接流到操(cao)縱(zong)缸相(xiang)(xiang)應一側,同(tong)時另一側的(de)(de)油量(liang)(liang)(liang)回(hui)到油箱(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)按(an)結構(gou)形式(shi)(shi)(shi)(shi)可(ke)分(fen)為:有(you)齒(chi)輪(lun)齒(chi)條(tiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)、蝸(gua)(gua)桿曲柄指銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)、循環球(qiu)-齒(chi)條(tiao)齒(chi)扇(shan)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)、循環球(qiu)曲柄指銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)、蝸(gua)(gua)桿滾輪(lun)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)等。按(an)照(zhao)助(zhu)力(li)形式(shi)(shi)(shi)(shi)又(you)可(ke)以分(fen):為機(ji)械(xie)(xie)式(shi)(shi)(shi)(shi)(無助(zhu)力(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi),和動(dong)(dong)力(li)式(shi)(shi)(shi)(shi)(有(you)助(zhu)力(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)兩種,其中(zhong)(zhong)動(dong)(dong)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)又(you)可(ke)以分(fen)為氣壓(ya)動(dong)(dong)力(li)式(shi)(shi)(shi)(shi)、液壓(ya)動(dong)(dong)力(li)式(shi)(shi)(shi)(shi)、電(dian)(dian)動(dong)(dong)助(zhu)力(li)式(shi)(shi)(shi)(shi)、電(dian)(dian)液助(zhu)力(li)式(shi)(shi)(shi)(shi)等種類(lei)。
奧(ao)迪Q3是(shi)一(yi)款(kuan)(kuan)全新的(de)(de)緊湊(cou)型(xing)SUV,或者你也可以把它看成(cheng)是(shi)一(yi)款(kuan)(kuan)Crossover跨界車(che)(che),這是(shi)繼寶馬X1后市場上出現(xian)的(de)(de)第(di)二(er)款(kuan)(kuan)采用(yong)類(lei)似(si)定位的(de)(de)車(che)(che)型(xing)。無論從(cong)整車(che)(che)設計還是(shi)動力配(pei)置,奧(ao)迪Q3的(de)(de)表(biao)現(xian)都十分(fen)出色,奧(ao)迪Q3是(shi)基于大眾(zhong)途觀相(xiang)同(tong)的(de)(de)PQ35平(ping)臺,在奧(ao)迪車(che)(che)型(xing)系(xi)列中的(de)(de)定位在Q7與Q5之下。為使其區別(bie)于大眾(zhong)車(che)(che)型(xing),這款(kuan)(kuan)奧(ao)迪Q3將(jiang)經過調諧,以獲得更加動感的(de)(de)駕(jia)駛性(xing)能,豪華個(ge)性(xing)的(de)(de)外觀,同(tong)時將(jiang)配(pei)備(bei)自(zi)適應式(shi)減震(zhen)器,如同(tong)TT裝(zhuang)備(bei)的(de)(de)減震(zhen)器。
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