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前橋總成簡介

前橋(qiao)總(zong)(zong)成(cheng)安裝在車身的后半(ban)部分 用于撐起車身 包括 前橋(qiao)殼、半(ban)軸、制動器總(zong)(zong)成(cheng)、差減速器總(zong)(zong)成(cheng) 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)前(qian)(qian)(qian)(qian)橋(qiao)主(zhu)要是(shi)(shi)通過(guo)離合器變速箱將(jiang)發動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力(li)減速并增加(jia)扭矩，再通過(guo)前(qian)(qian)(qian)(qian)橋(qiao)總成傳遞給動(dong)(dong)(dong)(dong)(dong)力(li)的(de)(de)最終輸出(chu)輪(lun)。同(tong)時，前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)還(huan)(huan)起(qi)(qi)(qi)到(dao)(dao)(dao)轉向的(de)(de)作(zuo)(zuo)用。此(ci)外(wai)(wai)，前(qian)(qian)(qian)(qian)橋(qiao)還(huan)(huan)起(qi)(qi)(qi)到(dao)(dao)(dao)承(cheng)(cheng)(cheng)載(zai)(zai)整(zheng)車(che)重量的(de)(de)作(zuo)(zuo)用，即車(che)身和(he)前(qian)(qian)(qian)(qian)懸(xuan)(xuan)架通過(guo)連桿機構與前(qian)(qian)(qian)(qian)橋(qiao)總成連接，起(qi)(qi)(qi)到(dao)(dao)(dao)承(cheng)(cheng)(cheng)載(zai)(zai)的(de)(de)作(zuo)(zuo)用。如(ru)果前(qian)(qian)(qian)(qian)橋(qiao)不是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)，后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)。此(ci)時除了承(cheng)(cheng)(cheng)載(zai)(zai)功能外(wai)(wai)，還(huan)(huan)起(qi)(qi)(qi)到(dao)(dao)(dao)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)、減速、差速的(de)(de)作(zuo)(zuo)用。在四輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)情況下(xia)，通常(chang)在后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面有(you)一個分動(dong)(dong)(dong)(dong)(dong)箱。后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)分為(wei)整(zheng)體橋(qiao)和(he)半軸(zhou)(zhou)(zhou)。橋(qiao)梁采(cai)用非獨立懸(xuan)(xuan)掛，如(ru)鋼(gang)板彈簧懸(xuan)(xuan)掛；半軸(zhou)(zhou)(zhou)采(cai)用獨立懸(xuan)(xuan)架，如(ru)麥弗(fu)遜懸(xuan)(xuan)架。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)和(he)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)之間有(you)著本質的(de)(de)區別，不僅(jin)僅(jin)是(shi)(shi)在外(wai)(wai)觀(guan)上(shang)。后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)指(zhi)的(de)(de)是(shi)(shi)汽車(che)后(hou)(hou)部(bu)的(de)(de)車(che)軸(zhou)(zhou)(zhou)。如(ru)果車(che)輛由前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)，那(nei)么(me)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)只是(shi)(shi)一個從動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)，只起(qi)(qi)(qi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)的(de)(de)作(zuo)(zuo)用。相反，如(ru)果前(qian)(qian)(qian)(qian)橋(qiao)不是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)，那(nei)么(me)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)除了承(cheng)(cheng)(cheng)載(zai)(zai)功能外(wai)(wai)，還(huan)(huan)起(qi)(qi)(qi)到(dao)(dao)(dao)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)、減速和(he)差速器的(de)(de)作(zuo)(zuo)用。在四輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)情況下(xia)，通常(chang)在后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面有(you)一個分動(dong)(dong)(dong)(dong)(dong)箱。

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