轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)總成即轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi),又(you)名(ming)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)、方(fang)(fang)向(xiang)(xiang)(xiang)機(ji),它(ta)是(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系中(zhong)最(zui)重要的部件。它(ta)的作用是(shi):增大轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤(pan)傳到轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳動(dong)機(ji)構(gou)的力(li)和改變力(li)的傳遞方(fang)(fang)向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)的操縱(zong)是(shi)全液壓式(shi)(shi)(shi)(shi),也(ye)就(jiu)是(shi)說在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪(lun)之間沒有機(ji)械連接,在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)與轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)油缸之間是(shi)液壓管或軟管鏈接。當轉(zhuan)(zhuan)動(dong)方(fang)(fang)向(xiang)(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)根(gen)據方(fang)(fang)向(xiang)(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)動(dong)比例輸送相對的油量(liang),該油量(liang)直接流到操縱(zong)缸相應一(yi)側,同時另(ling)一(yi)側的油量(liang)回到油箱。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)按結構(gou)形式(shi)(shi)(shi)(shi)可(ke)分(fen)(fen)為(wei):有齒輪(lun)齒條(tiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)、蝸(gua)桿曲柄指銷式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)、循環球-齒條(tiao)齒扇(shan)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)、循環球曲柄指銷式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)、蝸(gua)桿滾輪(lun)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)等(deng)。按照助(zhu)力(li)形式(shi)(shi)(shi)(shi)又(you)可(ke)以分(fen)(fen):為(wei)機(ji)械式(shi)(shi)(shi)(shi)(無助(zhu)力(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi),和動(dong)力(li)式(shi)(shi)(shi)(shi)(有助(zhu)力(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)兩(liang)種,其中(zhong)動(dong)力(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)(qi)(qi)又(you)可(ke)以分(fen)(fen)為(wei)氣壓動(dong)力(li)式(shi)(shi)(shi)(shi)、液壓動(dong)力(li)式(shi)(shi)(shi)(shi)、電動(dong)助(zhu)力(li)式(shi)(shi)(shi)(shi)、電液助(zhu)力(li)式(shi)(shi)(shi)(shi)等(deng)種類。
大(da)眾(zhong)(zhong)凱路威(wei),為(wei)大(da)眾(zhong)(zhong)旗下的(de)(de)一(yi)款車(che)型(xing)。上個(ge)世紀50年代的(de)(de)大(da)眾(zhong)(zhong)T1,可稱(cheng)得上是廂式多(duo)(duo)功能(neng)(neng)車(che)的(de)(de)鼻祖(zu)。在Transporter這個(ge)概念延續60多(duo)(duo)年后(hou),大(da)眾(zhong)(zhong)的(de)(de)T系列也(ye)經(jing)歷(li)了5代更替。如今的(de)(de)大(da)眾(zhong)(zhong)T5系列下共有四款車(che)型(xing),包括多(duo)(duo)功能(neng)(neng)商(shang)務車(che)Multivan、多(duo)(duo)功能(neng)(neng)商(shang)旅車(che)Caravelle、高端(duan)露營(ying)車(che)California以及Transporter輕型(xing)商(shang)用(yong)車(che)。這其(qi)中最被(bei)大(da)家所熟知的(de)(de)是邁(mai)特威(wei)(Multivan),它也(ye)是大(da)眾(zhong)(zhong)引(yin)進(jin)國內的(de)(de)第一(yi)款T5系列車(che)型(xing)。而今天我們試駕的(de)(de)主角,就(jiu)是第二款引(yin)入的(de)(de)車(che)型(xing)凱路威(wei)
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