轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)機(ji)(ji)總成即(ji)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi),又名轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)機(ji)(ji)、方(fang)向(xiang)機(ji)(ji),它是(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)系中(zhong)最重(zhong)要的(de)(de)(de)部件。它的(de)(de)(de)作用是(shi):增大轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)盤傳到轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)傳動(dong)(dong)(dong)(dong)機(ji)(ji)構的(de)(de)(de)力和改(gai)變力的(de)(de)(de)傳遞方(fang)向(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)的(de)(de)(de)操(cao)縱(zong)是(shi)全液壓式(shi)(shi),也就是(shi)說在轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)柱和轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)輪(lun)之間(jian)沒有機(ji)(ji)械連接,在轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)與轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)油(you)(you)缸之間(jian)是(shi)液壓管或軟管鏈接。當轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)方(fang)向(xiang)盤,轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)根(gen)據方(fang)向(xiang)盤轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)比例(li)輸送相(xiang)對的(de)(de)(de)油(you)(you)量(liang),該油(you)(you)量(liang)直接流(liu)到操(cao)縱(zong)缸相(xiang)應一側(ce),同時另一側(ce)的(de)(de)(de)油(you)(you)量(liang)回到油(you)(you)箱。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)按結構形式(shi)(shi)可分(fen)為:有齒(chi)(chi)輪(lun)齒(chi)(chi)條式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)、蝸(gua)桿(gan)(gan)曲(qu)柄指銷式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)、循(xun)環球-齒(chi)(chi)條齒(chi)(chi)扇式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)、循(xun)環球曲(qu)柄指銷式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)、蝸(gua)桿(gan)(gan)滾輪(lun)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)等(deng)。按照助力形式(shi)(shi)又可以分(fen):為機(ji)(ji)械式(shi)(shi)(無助力)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi),和動(dong)(dong)(dong)(dong)力式(shi)(shi)(有助力)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)兩種,其(qi)中(zhong)動(dong)(dong)(dong)(dong)力轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)器(qi)又可以分(fen)為氣(qi)壓動(dong)(dong)(dong)(dong)力式(shi)(shi)、液壓動(dong)(dong)(dong)(dong)力式(shi)(shi)、電動(dong)(dong)(dong)(dong)助力式(shi)(shi)、電液助力式(shi)(shi)等(deng)種類。
A1的(de)動力(li)系(xi)統(tong)(tong)是奧(ao)迪(di)明星(xing)組合(he)TFSI燃(ran)油直(zhi)噴渦輪增(zeng)壓發動機(ji)與Stronic雙(shuang)離合(he)變速(su)(su)器,此組合(he)效果的(de)直(zhi)接體現(xian)在于:從(cong)靜止加速(su)(su)到(dao)100公(gong)里/小時(shi)只需8.9秒,最(zui)高(gao)車速(su)(su)可達203公(gong)里/小時(shi),百公(gong)里綜合(he)油耗只需5.5升。奧(ao)迪(di)A1擁有動感(gan)、時(shi)尚的(de)設(she)計,毫(hao)不妥(tuo)協的(de)高(gao)檔車品質,強(qiang)大而高(gao)效的(de)動力(li)系(xi)統(tong)(tong)以及靈活的(de)底盤結構,在信(xin)息(xi)娛樂(le)系(xi)統(tong)(tong)方面更是樹立了同級別(bie)車型的(de)新標(biao)桿。這(zhe)款車型將成(cheng)為奧(ao)迪(di)品牌實現(xian)優異市場表現(xian)的(de)新增(zeng)長點,同時(shi)增(zeng)強(qiang)奧(ao)迪(di)品牌動感(gan)形象并展現(xian)四環品牌的(de)感(gan)性魅(mei)力(li)。
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