轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)總成(cheng)即轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi),又(you)名轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)、方(fang)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji),它(ta)是(shi)(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)系中最重要的(de)部件。它(ta)的(de)作(zuo)用是(shi)(shi)(shi):增大轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)盤傳到(dao)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)傳動(dong)(dong)(dong)機(ji)(ji)構的(de)力(li)(li)(li)(li)和(he)改(gai)變力(li)(li)(li)(li)的(de)傳遞(di)方(fang)向(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)的(de)操(cao)縱是(shi)(shi)(shi)全(quan)液壓式(shi)(shi),也(ye)就是(shi)(shi)(shi)說(shuo)在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)柱和(he)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)輪之間(jian)沒有(you)機(ji)(ji)械(xie)連接,在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)與轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)油(you)(you)缸之間(jian)是(shi)(shi)(shi)液壓管(guan)或軟管(guan)鏈接。當(dang)轉(zhuan)(zhuan)動(dong)(dong)(dong)方(fang)向(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)根據(ju)方(fang)向(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)動(dong)(dong)(dong)比(bi)例輸送相對(dui)的(de)油(you)(you)量(liang),該油(you)(you)量(liang)直(zhi)接流到(dao)操(cao)縱缸相應一側(ce),同時(shi)另(ling)一側(ce)的(de)油(you)(you)量(liang)回到(dao)油(you)(you)箱。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)按結(jie)構形(xing)式(shi)(shi)可分為(wei):有(you)齒輪齒條式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、蝸桿曲柄指銷式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、循環球-齒條齒扇式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、循環球曲柄指銷式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)、蝸桿滾輪式(shi)(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)等。按照助(zhu)(zhu)力(li)(li)(li)(li)形(xing)式(shi)(shi)又(you)可以分:為(wei)機(ji)(ji)械(xie)式(shi)(shi)(無助(zhu)(zhu)力(li)(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi),和(he)動(dong)(dong)(dong)力(li)(li)(li)(li)式(shi)(shi)(有(you)助(zhu)(zhu)力(li)(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)兩種(zhong),其(qi)中動(dong)(dong)(dong)力(li)(li)(li)(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)又(you)可以分為(wei)氣(qi)壓動(dong)(dong)(dong)力(li)(li)(li)(li)式(shi)(shi)、液壓動(dong)(dong)(dong)力(li)(li)(li)(li)式(shi)(shi)、電(dian)動(dong)(dong)(dong)助(zhu)(zhu)力(li)(li)(li)(li)式(shi)(shi)、電(dian)液助(zhu)(zhu)力(li)(li)(li)(li)式(shi)(shi)等種(zhong)類。
榮(rong)威iMAX8是上汽榮威首款(kuan)高端MPV。榮威iMAX8采用SUV+MPV的跨界姿態比例,不僅能夠更好地平衡MPV的空間感和專屬感,還將SUV飽滿挺拔的車頭觀感融入(ru)設計。2020年7月24日(ri),榮威iMAX8在成都車展(zhan)亮相;10月31日,榮威iMAX8正(zheng)式上市。
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