轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)總(zong)成(cheng)即轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi),又(you)名轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)、方(fang)向(xiang)(xiang)(xiang)機(ji),它是(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)系(xi)中最重要的(de)部件(jian)。它的(de)作用是(shi):增大(da)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤傳到(dao)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳動(dong)(dong)機(ji)構(gou)的(de)力(li)(li)(li)(li)和改變(bian)力(li)(li)(li)(li)的(de)傳遞方(fang)向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)的(de)操縱是(shi)全液壓式(shi)(shi)(shi),也就是(shi)說在(zai)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪之間沒有(you)(you)機(ji)械(xie)連(lian)接(jie),在(zai)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)與轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)油(you)(you)缸(gang)之間是(shi)液壓管或軟管鏈接(jie)。當轉(zhuan)(zhuan)(zhuan)動(dong)(dong)方(fang)向(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)根據方(fang)向(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)(zhuan)動(dong)(dong)比例輸(shu)送相對的(de)油(you)(you)量,該油(you)(you)量直(zhi)接(jie)流到(dao)操縱缸(gang)相應一側,同時另一側的(de)油(you)(you)量回到(dao)油(you)(you)箱(xiang)。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)按(an)結構(gou)形式(shi)(shi)(shi)可(ke)(ke)分為(wei):有(you)(you)齒(chi)(chi)輪齒(chi)(chi)條(tiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸桿(gan)曲(qu)柄指銷(xiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環(huan)球-齒(chi)(chi)條(tiao)齒(chi)(chi)扇式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環(huan)球曲(qu)柄指銷(xiao)式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸桿(gan)滾輪式(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)等(deng)。按(an)照助力(li)(li)(li)(li)形式(shi)(shi)(shi)又(you)可(ke)(ke)以(yi)分:為(wei)機(ji)械(xie)式(shi)(shi)(shi)(無(wu)助力(li)(li)(li)(li))轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi),和動(dong)(dong)力(li)(li)(li)(li)式(shi)(shi)(shi)(有(you)(you)助力(li)(li)(li)(li))轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)兩種(zhong),其中動(dong)(dong)力(li)(li)(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)(qi)又(you)可(ke)(ke)以(yi)分為(wei)氣壓動(dong)(dong)力(li)(li)(li)(li)式(shi)(shi)(shi)、液壓動(dong)(dong)力(li)(li)(li)(li)式(shi)(shi)(shi)、電動(dong)(dong)助力(li)(li)(li)(li)式(shi)(shi)(shi)、電液助力(li)(li)(li)(li)式(shi)(shi)(shi)等(deng)種(zhong)類。
凱越(yue)旅行車(che)是上海通用基于國(guo)內轎車(che)市場的(de)(de)(de)日趨成熟,考慮到消(xiao)(xiao)費者生活(huo)形態(tai)和(he)用車(che)需(xu)求(qiu)的(de)(de)(de)變化而推出(chu)的(de)(de)(de)新車(che)型。它以(yi)休(xiu)閑的(de)(de)(de)造型風格和(he)多變的(de)(de)(de)組合空(kong)間體(ti)(ti)現出(chu)與(yu)其它的(de)(de)(de)不(bu)同,顯示自己(ji)的(de)(de)(de)特色。凱越(yue)旅行車(che)面(mian)向那(nei)些事業有成,既對事業全力以(yi)赴,又非常(chang)重視(shi)家庭幸福的(de)(de)(de)消(xiao)(xiao)費群體(ti)(ti),他們比較看重生活(huo)情(qing)趣、喜歡享受城(cheng)市之外的(de)(de)(de)休(xiu)閑時光。這是凱越(yue)旅行車(che)所定位的(de)(de)(de)目標群體(ti)(ti)
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