轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)總成即轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi),又名轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)、方向(xiang)(xiang)(xiang)機(ji),它是(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)系中(zhong)最重要的(de)部件。它的(de)作(zuo)用是(shi)(shi):增大(da)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤(pan)(pan)傳到轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳動(dong)(dong)機(ji)構(gou)(gou)的(de)力(li)和(he)改變(bian)力(li)的(de)傳遞方向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)的(de)操(cao)縱是(shi)(shi)全液壓(ya)式(shi)(shi),也就是(shi)(shi)說在轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱和(he)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪之間(jian)沒(mei)有(you)機(ji)械連接(jie),在轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)與轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)油(you)(you)(you)缸之間(jian)是(shi)(shi)液壓(ya)管或軟管鏈(lian)接(jie)。當(dang)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)方向(xiang)(xiang)(xiang)盤(pan)(pan),轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)根據(ju)方向(xiang)(xiang)(xiang)盤(pan)(pan)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)比例輸送相對的(de)油(you)(you)(you)量(liang),該油(you)(you)(you)量(liang)直(zhi)接(jie)流到操(cao)縱缸相應一(yi)側(ce),同時另一(yi)側(ce)的(de)油(you)(you)(you)量(liang)回到油(you)(you)(you)箱。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)按結構(gou)(gou)形式(shi)(shi)可(ke)分(fen)(fen)為:有(you)齒(chi)輪齒(chi)條(tiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸桿(gan)(gan)曲柄(bing)指銷式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環球(qiu)-齒(chi)條(tiao)齒(chi)扇式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環球(qiu)曲柄(bing)指銷式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸桿(gan)(gan)滾(gun)輪式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)等。按照助力(li)形式(shi)(shi)又可(ke)以分(fen)(fen):為機(ji)械式(shi)(shi)(無(wu)助力(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi),和(he)動(dong)(dong)力(li)式(shi)(shi)(有(you)助力(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)兩種,其中(zhong)動(dong)(dong)力(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)又可(ke)以分(fen)(fen)為氣壓(ya)動(dong)(dong)力(li)式(shi)(shi)、液壓(ya)動(dong)(dong)力(li)式(shi)(shi)、電(dian)動(dong)(dong)助力(li)式(shi)(shi)、電(dian)液助力(li)式(shi)(shi)等種類。
奔馳(chi)(chi)(chi)GLC是奔馳(chi)(chi)(chi)推(tui)出(chu)的(de)首款(kuan)全新跨界車(che)型,2015款(kuan)發布。奔馳(chi)(chi)(chi)GLC實質上(shang)(shang)可以看做是GLK的(de)轎跑版(ban),而之所以奔馳(chi)(chi)(chi)GLC要(yao)到2016年(nian)才會問世。 奔馳(chi)(chi)(chi)正(zheng)在計劃主要(yao)依靠其(qi)SUV與(yu)跨界車(che),推(tui)出(chu)的(de)首款(kuan)全新跨界車(che)型是2015款(kuan)奔馳(chi)(chi)(chi)GLC。 2018年(nian)10月17日,北(bei)京奔馳(chi)(chi)(chi)旗下的(de)GLC長軸距版(ban)(GLC L)正(zheng)式上(shang)(shang)市銷售。
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