轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)總成即轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi),又(you)(you)名轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)、方(fang)(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)機(ji),它是轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)系中(zhong)最(zui)重要的部(bu)件(jian)。它的作用是:增大轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)盤傳到(dao)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)傳動(dong)機(ji)構(gou)(gou)的力(li)(li)(li)和(he)(he)改變(bian)力(li)(li)(li)的傳遞方(fang)(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)的操(cao)縱(zong)是全(quan)液(ye)(ye)壓(ya)(ya)式(shi)(shi)(shi)(shi),也就是說在(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)柱和(he)(he)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)輪之間(jian)沒有(you)機(ji)械(xie)連(lian)接,在(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)與轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)油缸之間(jian)是液(ye)(ye)壓(ya)(ya)管(guan)或(huo)軟管(guan)鏈接。當轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)方(fang)(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)盤,轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)根(gen)據方(fang)(fang)向(xiang)(xiang)(xiang)(xiang)(xiang)盤轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)比(bi)例輸(shu)送(song)相對(dui)的油量,該油量直(zhi)接流到(dao)操(cao)縱(zong)缸相應一(yi)側(ce),同時另一(yi)側(ce)的油量回到(dao)油箱。轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)按結構(gou)(gou)形(xing)式(shi)(shi)(shi)(shi)可分為(wei)(wei):有(you)齒輪齒條(tiao)(tiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿曲(qu)柄指銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、循(xun)環(huan)球-齒條(tiao)(tiao)齒扇式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、循(xun)環(huan)球曲(qu)柄指銷(xiao)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)、蝸桿滾(gun)輪式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)等。按照助力(li)(li)(li)形(xing)式(shi)(shi)(shi)(shi)又(you)(you)可以分:為(wei)(wei)機(ji)械(xie)式(shi)(shi)(shi)(shi)(無助力(li)(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi),和(he)(he)動(dong)力(li)(li)(li)式(shi)(shi)(shi)(shi)(有(you)助力(li)(li)(li))轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)兩(liang)種(zhong),其中(zhong)動(dong)力(li)(li)(li)轉(zhuan)(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)(xiang)(xiang)器(qi)又(you)(you)可以分為(wei)(wei)氣壓(ya)(ya)動(dong)力(li)(li)(li)式(shi)(shi)(shi)(shi)、液(ye)(ye)壓(ya)(ya)動(dong)力(li)(li)(li)式(shi)(shi)(shi)(shi)、電動(dong)助力(li)(li)(li)式(shi)(shi)(shi)(shi)、電液(ye)(ye)助力(li)(li)(li)式(shi)(shi)(shi)(shi)等種(zhong)類。
初見龍威皮卡,筆者馬上(shang)(shang)就想(xiang)起了福特(te)猛禽。棱角分(fen)明、冷峻硬朗的外形,設計風格上(shang)(shang)和福特(te)F-150較為相似(si)。由于(yu)不是全尺寸皮卡,整體(ti)感覺像是小一號(hao)的猛禽皮卡。
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