前橋總成安裝在車(che)身(shen)的(de)后半(ban)部(bu)分(fen) 用于撐(cheng)起車(che)身(shen) 包(bao)括 前橋殼、半(ban)軸、制動(dong)器(qi)總成、差減速器(qi)總成 帶動(dong)輪(lun)胎的(de)運(yun)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(qi)車(che)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)主要是(shi)通(tong)(tong)過離(li)合器變(bian)速箱將發動(dong)(dong)(dong)機動(dong)(dong)(dong)力減速并增加扭矩(ju),再通(tong)(tong)過前(qian)(qian)(qian)(qian)橋(qiao)(qiao)總成傳(chuan)遞給動(dong)(dong)(dong)力的(de)(de)(de)最終輸出輪(lun)。同時,前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)到(dao)轉向的(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。此(ci)外(wai),前(qian)(qian)(qian)(qian)橋(qiao)(qiao)還(huan)起(qi)到(dao)承(cheng)載整車(che)重量的(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong),即車(che)身(shen)和前(qian)(qian)(qian)(qian)懸(xuan)(xuan)架(jia)通(tong)(tong)過連桿機構與(yu)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)總成連接,起(qi)到(dao)承(cheng)載的(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。如(ru)果(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao),后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)就是(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao)。此(ci)時除(chu)了承(cheng)載功能外(wai),還(huan)起(qi)到(dao)驅動(dong)(dong)(dong)、減速、差(cha)速的(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。在(zai)四輪(lun)驅動(dong)(dong)(dong)的(de)(de)(de)情(qing)況(kuang)下(xia),通(tong)(tong)常在(zai)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面(mian)有一(yi)個(ge)分(fen)(fen)動(dong)(dong)(dong)箱。后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)分(fen)(fen)為整體橋(qiao)(qiao)和半軸(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁采用(yong)(yong)非(fei)獨立懸(xuan)(xuan)掛,如(ru)鋼(gang)板(ban)彈簧懸(xuan)(xuan)掛;半軸(zhou)(zhou)(zhou)(zhou)采用(yong)(yong)獨立懸(xuan)(xuan)架(jia),如(ru)麥弗遜懸(xuan)(xuan)架(jia)。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)和后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)之間(jian)有著本質的(de)(de)(de)區別,不僅僅是(shi)在(zai)外(wai)觀(guan)上。后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)指的(de)(de)(de)是(shi)汽(qi)車(che)后(hou)(hou)部的(de)(de)(de)車(che)軸(zhou)(zhou)(zhou)(zhou)。如(ru)果(guo)車(che)輛由前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)驅動(dong)(dong)(dong),那么(me)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)只(zhi)是(shi)一(yi)個(ge)從(cong)動(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou),只(zhi)起(qi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)的(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。相反,如(ru)果(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao),那么(me)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)就是(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)除(chu)了承(cheng)載功能外(wai),還(huan)起(qi)到(dao)驅動(dong)(dong)(dong)、減速和差(cha)速器的(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。在(zai)四輪(lun)驅動(dong)(dong)(dong)的(de)(de)(de)情(qing)況(kuang)下(xia),通(tong)(tong)常在(zai)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面(mian)有一(yi)個(ge)分(fen)(fen)動(dong)(dong)(dong)箱。
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