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),又(you)名轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)機(ji)、方向(xiang)(xiang)(xiang)機(ji),它(ta)(ta)是(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)系中最重要的(de)(de)(de)部件。它(ta)(ta)的(de)(de)(de)作用是(shi):增大轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)盤(pan)傳(chuan)到(dao)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)傳(chuan)動(dong)(dong)機(ji)構的(de)(de)(de)力和改變力的(de)(de)(de)傳(chuan)遞(di)方向(xiang)(xiang)(xiang)。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)的(de)(de)(de)操縱(zong)是(shi)全液壓(ya)(ya)式(shi)(shi)(shi)(shi),也就是(shi)說在轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)柱和轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)輪(lun)之間沒(mei)有(you)機(ji)械(xie)連接,在轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)與轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)油缸(gang)之間是(shi)液壓(ya)(ya)管或(huo)軟管鏈(lian)接。當(dang)轉(zhuan)(zhuan)(zhuan)動(dong)(dong)方向(xiang)(xiang)(xiang)盤(pan),轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)根(gen)據方向(xiang)(xiang)(xiang)盤(pan)轉(zhuan)(zhuan)(zhuan)動(dong)(dong)比例輸送相對的(de)(de)(de)油量(liang),該油量(liang)直(zhi)接流到(dao)操縱(zong)缸(gang)相應一側(ce),同(tong)時另一側(ce)的(de)(de)(de)油量(liang)回到(dao)油箱。轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)按結(jie)構形(xing)式(shi)(shi)(shi)(shi)可分(fen)(fen)為(wei):有(you)齒(chi)輪(lun)齒(chi)條式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、蝸桿曲柄指(zhi)銷式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、循(xun)環球-齒(chi)條齒(chi)扇式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、循(xun)環球曲柄指(zhi)銷式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)、蝸桿滾輪(lun)式(shi)(shi)(shi)(shi)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)等。按照助(zhu)力形(xing)式(shi)(shi)(shi)(shi)又(you)可以(yi)分(fen)(fen):為(wei)機(ji)械(xie)式(shi)(shi)(shi)(shi)(無助(zhu)力)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi),和動(dong)(dong)力式(shi)(shi)(shi)(shi)(有(you)助(zhu)力)轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)兩種,其中動(dong)(dong)力轉(zhuan)(zhuan)(zhuan)向(xiang)(xiang)(xiang)器(qi)(qi)又(you)可以(yi)分(fen)(fen)為(wei)氣壓(ya)(ya)動(dong)(dong)力式(shi)(shi)(shi)(shi)、液壓(ya)(ya)動(dong)(dong)力式(shi)(shi)(shi)(shi)、電(dian)(dian)動(dong)(dong)助(zhu)力式(shi)(shi)(shi)(shi)、電(dian)(dian)液助(zhu)力式(shi)(shi)(shi)(shi)等種類。
力帆(fan)530作為力帆(fan)520的(de)(de)(de)換代車型(xing),不僅采用(yong)了新(xin)的(de)(de)(de)設計,帶(dai)來了一(yi)定的(de)(de)(de)時尚(shang)感,同(tong)時其車身尺寸也有所(suo)增加,新(xin)車的(de)(de)(de)尺寸數據為4300/1690/1490(mm),而軸距相(xiang)比力帆(fan)520增長10mm,達到2550mm。2013年(nian)10月18日,力帆(fan)530在西藏拉薩正式上市,新(xin)車搭載1.3L和1.5L兩款發動機,共分9款車型(xing),售(shou)價5.18萬—6.98萬元
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