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前橋總成簡介

前(qian)(qian)橋總成安裝在車身的后半(ban)部分 用于(yu)撐起車身 包(bao)括(kuo) 前(qian)(qian)橋殼、半(ban)軸(zhou)、制動器(qi)總成、差減速(su)器(qi)總成 帶動輪胎的運(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。

前橋總成的作用

汽車(che)(che)前(qian)(qian)(qian)橋(qiao)(qiao)主要是(shi)通(tong)(tong)過離合器變速(su)箱將發(fa)動(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)力(li)減(jian)(jian)速(su)并(bing)增(zeng)加扭矩，再通(tong)(tong)過前(qian)(qian)(qian)橋(qiao)(qiao)總成(cheng)傳遞給動(dong)(dong)(dong)(dong)力(li)的(de)最終輸出輪(lun)。同時，前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)(qi)到(dao)轉向(xiang)的(de)作(zuo)用(yong)(yong)(yong)。此(ci)外(wai)，前(qian)(qian)(qian)橋(qiao)(qiao)還(huan)起(qi)(qi)到(dao)承載(zai)整車(che)(che)重量的(de)作(zuo)用(yong)(yong)(yong)，即車(che)(che)身和前(qian)(qian)(qian)懸架通(tong)(tong)過連(lian)桿機構與前(qian)(qian)(qian)橋(qiao)(qiao)總成(cheng)連(lian)接，起(qi)(qi)到(dao)承載(zai)的(de)作(zuo)用(yong)(yong)(yong)。如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)，后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)就(jiu)是(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)。此(ci)時除了承載(zai)功(gong)能外(wai)，還(huan)起(qi)(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)、減(jian)(jian)速(su)、差速(su)的(de)作(zuo)用(yong)(yong)(yong)。在(zai)(zai)四輪(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)的(de)情況下(xia)，通(tong)(tong)常在(zai)(zai)后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面(mian)有一個分動(dong)(dong)(dong)(dong)箱。后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)分為整體橋(qiao)(qiao)和半軸(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁采(cai)(cai)用(yong)(yong)(yong)非(fei)獨(du)立懸掛(gua)，如(ru)鋼板彈(dan)簧懸掛(gua)；半軸(zhou)(zhou)(zhou)(zhou)采(cai)(cai)用(yong)(yong)(yong)獨(du)立懸架，如(ru)麥弗遜懸架。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)和后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)之間有著(zhu)本質的(de)區(qu)別，不僅(jin)僅(jin)是(shi)在(zai)(zai)外(wai)觀上。后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)指的(de)是(shi)汽車(che)(che)后(hou)部的(de)車(che)(che)軸(zhou)(zhou)(zhou)(zhou)。如(ru)果(guo)車(che)(che)輛由前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)驅(qu)(qu)動(dong)(dong)(dong)(dong)，那么后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)只是(shi)一個從(cong)動(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou)，只起(qi)(qi)軸(zhou)(zhou)(zhou)(zhou)承的(de)作(zuo)用(yong)(yong)(yong)。相反，如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)，那么后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)就(jiu)是(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)除了承載(zai)功(gong)能外(wai)，還(huan)起(qi)(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)、減(jian)(jian)速(su)和差速(su)器的(de)作(zuo)用(yong)(yong)(yong)。在(zai)(zai)四輪(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)的(de)情況下(xia)，通(tong)(tong)常在(zai)(zai)后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面(mian)有一個分動(dong)(dong)(dong)(dong)箱。

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