轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji)總成即轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi),又名轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji)、方(fang)向(xiang)(xiang)(xiang)(xiang)機(ji)(ji)(ji),它(ta)是轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)系中最重要的(de)(de)(de)部件(jian)。它(ta)的(de)(de)(de)作用是:增大轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)盤傳(chuan)到轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)傳(chuan)動(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)構的(de)(de)(de)力(li)(li)和(he)改變力(li)(li)的(de)(de)(de)傳(chuan)遞方(fang)向(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)的(de)(de)(de)操(cao)縱(zong)(zong)是全液(ye)壓(ya)式(shi)(shi),也就是說(shuo)在(zai)(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)柱和(he)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)輪(lun)之間沒(mei)有機(ji)(ji)(ji)械連接,在(zai)(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)與(yu)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)油缸之間是液(ye)壓(ya)管或軟管鏈接。當轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)方(fang)向(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)根據(ju)方(fang)向(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)比例輸(shu)送相對的(de)(de)(de)油量,該油量直接流(liu)到操(cao)縱(zong)(zong)缸相應一側(ce),同時(shi)另一側(ce)的(de)(de)(de)油量回(hui)到油箱。轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)按(an)結構形式(shi)(shi)可分為(wei):有齒輪(lun)齒條(tiao)(tiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸(gua)桿曲柄指銷(xiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環球-齒條(tiao)(tiao)齒扇式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、循環球曲柄指銷(xiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)、蝸(gua)桿滾輪(lun)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)等(deng)。按(an)照助力(li)(li)形式(shi)(shi)又可以分:為(wei)機(ji)(ji)(ji)械式(shi)(shi)(無(wu)助力(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi),和(he)動(dong)(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)(有助力(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)兩種(zhong),其中動(dong)(dong)(dong)(dong)(dong)力(li)(li)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)器(qi)(qi)(qi)又可以分為(wei)氣壓(ya)動(dong)(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)、液(ye)壓(ya)動(dong)(dong)(dong)(dong)(dong)力(li)(li)式(shi)(shi)、電(dian)動(dong)(dong)(dong)(dong)(dong)助力(li)(li)式(shi)(shi)、電(dian)液(ye)助力(li)(li)式(shi)(shi)等(deng)種(zhong)類。
豐田(tian)佳(jia)美(mei)(mei)前(qian)后開始進入中(zhong)國市(shi)場,當年的佳(jia)美(mei)(mei)在豐田(tian)車系中(zhong)屬中(zhong)高級轎(jiao)車,是初(chu)發(fa)展出來的新一代車型。外形(xing)并不(bu)追求氣派,而(er)著重(zhong)突出個性(xing)。因為佳(jia)美(mei)(mei)定位在家庭用車,而(er)非公務(wu)車,故車身顏色(se)不(bu)以黑色(se)為主,多配彩(cai)漆,即有(you)各種顏色(se),較為活潑。
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