轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)機(ji)總(zong)成(cheng)即轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi),又(you)名轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)機(ji)、方(fang)向(xiang)(xiang)機(ji),它是(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)系中最重要的(de)部件。它的(de)作(zuo)用是(shi)(shi):增大轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)盤(pan)傳(chuan)到轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)傳(chuan)動(dong)(dong)(dong)機(ji)構的(de)力(li)(li)和(he)改變力(li)(li)的(de)傳(chuan)遞方(fang)向(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)的(de)操(cao)縱(zong)是(shi)(shi)全(quan)液壓(ya)式(shi)(shi),也就是(shi)(shi)說在轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)柱(zhu)和(he)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)輪(lun)之(zhi)(zhi)間沒有機(ji)械連接,在轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)與轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)油(you)缸之(zhi)(zhi)間是(shi)(shi)液壓(ya)管或(huo)軟管鏈接。當轉(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)方(fang)向(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)根(gen)據方(fang)向(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)比例輸送相(xiang)對的(de)油(you)量(liang),該油(you)量(liang)直接流到操(cao)縱(zong)缸相(xiang)應一側,同(tong)時另一側的(de)油(you)量(liang)回到油(you)箱。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)按(an)結(jie)構形式(shi)(shi)可分(fen)(fen)為(wei):有齒(chi)輪(lun)齒(chi)條式(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)、蝸桿曲柄指銷(xiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)、循環(huan)球(qiu)(qiu)-齒(chi)條齒(chi)扇式(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)、循環(huan)球(qiu)(qiu)曲柄指銷(xiao)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)、蝸桿滾輪(lun)式(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)等。按(an)照助(zhu)力(li)(li)形式(shi)(shi)又(you)可以分(fen)(fen):為(wei)機(ji)械式(shi)(shi)(無(wu)助(zhu)力(li)(li))轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi),和(he)動(dong)(dong)(dong)力(li)(li)式(shi)(shi)(有助(zhu)力(li)(li))轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)兩種,其中動(dong)(dong)(dong)力(li)(li)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)器(qi)(qi)(qi)(qi)又(you)可以分(fen)(fen)為(wei)氣(qi)壓(ya)動(dong)(dong)(dong)力(li)(li)式(shi)(shi)、液壓(ya)動(dong)(dong)(dong)力(li)(li)式(shi)(shi)、電動(dong)(dong)(dong)助(zhu)力(li)(li)式(shi)(shi)、電液助(zhu)力(li)(li)式(shi)(shi)等種類。
福汽啟騰(teng)旗下的首款(kuan)MPV啟騰EX80于2015年9月22日正(zheng)式上(shang)市。新(xin)車此次上(shang)市的僅為(wei)1.5L的七款車型共消費者(zhe)選擇(ze),售價區間為(wei)4.29萬-6.08萬元。
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