轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)總成即轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi),又(you)名轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)、方(fang)向(xiang)(xiang)(xiang)機(ji),它(ta)是轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)系中(zhong)最(zui)重要的(de)部件。它(ta)的(de)作用(yong)是:增大轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤傳到轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳動(dong)機(ji)構(gou)(gou)的(de)力(li)(li)(li)和(he)改變力(li)(li)(li)的(de)傳遞方(fang)向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)的(de)操(cao)縱(zong)(zong)是全液(ye)壓(ya)式(shi),也就是說在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱和(he)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪之間沒有(you)(you)機(ji)械連接,在轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)與(yu)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)油(you)缸(gang)之間是液(ye)壓(ya)管或軟管鏈接。當(dang)轉(zhuan)(zhuan)動(dong)方(fang)向(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)根據(ju)方(fang)向(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)動(dong)比例輸送(song)相對的(de)油(you)量,該油(you)量直接流到操(cao)縱(zong)(zong)缸(gang)相應一側,同時另一側的(de)油(you)量回到油(you)箱。轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)按結構(gou)(gou)形(xing)式(shi)可(ke)分為(wei)(wei):有(you)(you)齒(chi)(chi)輪齒(chi)(chi)條(tiao)式(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、蝸桿(gan)曲柄(bing)指銷(xiao)式(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、循環(huan)球(qiu)-齒(chi)(chi)條(tiao)齒(chi)(chi)扇式(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、循環(huan)球(qiu)曲柄(bing)指銷(xiao)式(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)、蝸桿(gan)滾輪式(shi)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)等(deng)(deng)。按照助力(li)(li)(li)形(xing)式(shi)又(you)可(ke)以(yi)分:為(wei)(wei)機(ji)械式(shi)(無助力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi),和(he)動(dong)力(li)(li)(li)式(shi)(有(you)(you)助力(li)(li)(li))轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)兩種,其中(zhong)動(dong)力(li)(li)(li)轉(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)(qi)又(you)可(ke)以(yi)分為(wei)(wei)氣壓(ya)動(dong)力(li)(li)(li)式(shi)、液(ye)壓(ya)動(dong)力(li)(li)(li)式(shi)、電動(dong)助力(li)(li)(li)式(shi)、電液(ye)助力(li)(li)(li)式(shi)等(deng)(deng)種類。
北(bei)京(jing)奔(ben)馳(chi)汽車有限公(gong)司(簡(jian)稱北(bei)京(jing)奔(ben)馳(chi))成立于2005年8月8日(ri),是北(bei)京(jing)汽車股(gu)份(fen)(fen)有限公(gong)司與戴姆勒(le)股(gu)份(fen)(fen)公(gong)司、戴姆勒(le)大中(zhong)華區(qu)投(tou)資(zi)(zi)有限公(gong)司共同投(tou)資(zi)(zi),集研(yan)發、發動機(ji)與整(zheng)車生產(chan)、銷售和售后服務為一體的中(zhong)德合資(zi)(zi)企業(ye)。
目(mu)前,北(bei)京奔(ben)馳業已(yi)成(cheng)為戴(dai)姆勒全球(qiu)同時(shi)擁有前驅車(che)、后(hou)驅車(che)、電(dian)動(dong)車(che)三(san)大車(che)型平臺,以(yi)及發動(dong)機與(yu)(yu)動(dong)力電(dian)池工廠(chang)的合資(zi)企業,并實現了發動(dong)機核心零部件(jian)與(yu)(yu)整機的出口,成(cheng)為梅(mei)賽德(de)斯(si)-奔(ben)馳全球(qiu)生(sheng)產網絡的重(zhong)要(yao)組成(cheng)部分(fen)。以(yi)此為依(yi)托,北(bei)京奔(ben)馳引入了梅(mei)賽德(de)斯(si)-奔(ben)馳八大主(zhu)力車(che)型:EQC純電(dian)SUV、AMG A 35 L、長軸距(ju)(ju)A級轎車(che)、長軸距(ju)(ju)C級車(che)、長軸距(ju)(ju)E級車(che)、長軸距(ju)(ju)GLC SUV、GLB SUV以(yi)及GLA SUV。
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