前橋(qiao)總(zong)(zong)成安裝在車身的(de)后半部(bu)分 用于撐起(qi)車身 包括 前橋(qiao)殼(ke)、半軸(zhou)、制動(dong)器總(zong)(zong)成、差減速器總(zong)(zong)成 帶動(dong)輪胎的(de)運轉。
我們經常提及汽車的前橋和后橋,那你清楚前橋到底位于車的哪個部位嗎?
汽車的前橋分布在汽車的前段,它將車的前部與兩個輪胎連接起來,同時也承擔著傳遞車架與前輪之間各向作用力,以及其所產生的彎矩和轉矩的作用。汽車前橋的主要組成部分分為前軸、輪轂組合、主銷、節臂、轉向節、制動器總成、橫拉桿總成等等。
前橋對于汽車結構來說發揮著重要作用,具體如下:
1、汽車前橋不僅對車輛前端起到承載的作用,而且具有較強的相對抗對沖擊力。
2、對于車輛的轉向、制動、行走,汽車前橋也發揮了一定的作用。
前橋是車輛的重要部件,平日車主在行車時要注意不要超載行駛,以免造成損壞,同時要定期檢查和維修前橋,出現故障及時修理或更換。
汽車(che)前(qian)(qian)橋(qiao)(qiao)主要是(shi)(shi)通(tong)過離(li)合器變(bian)速箱(xiang)將發動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力減(jian)速并增加扭矩(ju),再(zai)通(tong)過前(qian)(qian)橋(qiao)(qiao)總成傳遞給動(dong)(dong)(dong)(dong)(dong)力的(de)(de)(de)最終輸出(chu)輪(lun)(lun)(lun)。同(tong)時,前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)到(dao)轉向的(de)(de)(de)作(zuo)用(yong)。此外,前(qian)(qian)橋(qiao)(qiao)還(huan)起(qi)到(dao)承載整車(che)重量(liang)的(de)(de)(de)作(zuo)用(yong),即(ji)車(che)身和前(qian)(qian)懸架通(tong)過連桿機構(gou)與(yu)前(qian)(qian)橋(qiao)(qiao)總成連接,起(qi)到(dao)承載的(de)(de)(de)作(zuo)用(yong)。如果(guo)前(qian)(qian)橋(qiao)(qiao)不(bu)是(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao),后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)就(jiu)是(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。此時除了承載功能外,還(huan)起(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)、減(jian)速、差(cha)速的(de)(de)(de)作(zuo)用(yong)。在(zai)四(si)輪(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)情況(kuang)下,通(tong)常(chang)在(zai)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)面有(you)一個(ge)分(fen)動(dong)(dong)(dong)(dong)(dong)箱(xiang)。后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)分(fen)為整體橋(qiao)(qiao)和半(ban)軸(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁采用(yong)非獨立(li)懸掛,如鋼板彈簧(huang)懸掛;半(ban)軸(zhou)(zhou)(zhou)(zhou)采用(yong)獨立(li)懸架,如麥弗遜(xun)懸架。前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)和后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)之(zhi)間有(you)著本質的(de)(de)(de)區別(bie),不(bu)僅(jin)僅(jin)是(shi)(shi)在(zai)外觀上。后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)指的(de)(de)(de)是(shi)(shi)汽車(che)后(hou)(hou)部的(de)(de)(de)車(che)軸(zhou)(zhou)(zhou)(zhou)。如果(guo)車(che)輛由前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong),那么(me)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)只是(shi)(shi)一個(ge)從動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou),只起(qi)軸(zhou)(zhou)(zhou)(zhou)承的(de)(de)(de)作(zuo)用(yong)。相反,如果(guo)前(qian)(qian)橋(qiao)(qiao)不(bu)是(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao),那么(me)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)就(jiu)是(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)除了承載功能外,還(huan)起(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)、減(jian)速和差(cha)速器的(de)(de)(de)作(zuo)用(yong)。在(zai)四(si)輪(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)情況(kuang)下,通(tong)常(chang)在(zai)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)面有(you)一個(ge)分(fen)動(dong)(dong)(dong)(dong)(dong)箱(xiang)。
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