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前橋總成簡介

前(qian)橋總(zong)成(cheng)(cheng)安(an)裝在車身的后半部(bu)分 用于撐起車身 包括 前(qian)橋殼、半軸、制動(dong)器總(zong)成(cheng)(cheng)、差減速(su)器總(zong)成(cheng)(cheng) 帶動(dong)輪(lun)胎的運轉。

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。

前橋總成的作用

汽車前橋(qiao)主要是通(tong)過(guo)(guo)離(li)合器變速(su)箱將發(fa)動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力(li)減速(su)并增(zeng)加扭矩，再通(tong)過(guo)(guo)前橋(qiao)總(zong)成傳遞給動(dong)(dong)(dong)(dong)(dong)力(li)的(de)(de)(de)(de)最(zui)終輸出(chu)輪(lun)(lun)。同時(shi)，前軸(zhou)(zhou)還(huan)起(qi)(qi)到(dao)轉向的(de)(de)(de)(de)作用(yong)(yong)(yong)。此(ci)(ci)外，前橋(qiao)還(huan)起(qi)(qi)到(dao)承(cheng)載整(zheng)車重量(liang)的(de)(de)(de)(de)作用(yong)(yong)(yong)，即車身和(he)(he)前懸(xuan)架通(tong)過(guo)(guo)連桿機構(gou)與前橋(qiao)總(zong)成連接，起(qi)(qi)到(dao)承(cheng)載的(de)(de)(de)(de)作用(yong)(yong)(yong)。如果(guo)前橋(qiao)不(bu)是驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)，后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)就是驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)。此(ci)(ci)時(shi)除了(le)承(cheng)載功(gong)能外，還(huan)起(qi)(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)、減速(su)、差速(su)的(de)(de)(de)(de)作用(yong)(yong)(yong)。在(zai)四(si)輪(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)情(qing)(qing)況下(xia)，通(tong)常在(zai)后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)前面有(you)一(yi)個(ge)(ge)分動(dong)(dong)(dong)(dong)(dong)箱。后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)分為整(zheng)體橋(qiao)和(he)(he)半(ban)軸(zhou)(zhou)。橋(qiao)梁采(cai)用(yong)(yong)(yong)非獨(du)立懸(xuan)掛，如鋼板彈簧懸(xuan)掛；半(ban)軸(zhou)(zhou)采(cai)用(yong)(yong)(yong)獨(du)立懸(xuan)架，如麥弗遜懸(xuan)架。前軸(zhou)(zhou)和(he)(he)后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)之間有(you)著本質的(de)(de)(de)(de)區(qu)別(bie)，不(bu)僅僅是在(zai)外觀上。后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)指的(de)(de)(de)(de)是汽車后(hou)(hou)部的(de)(de)(de)(de)車軸(zhou)(zhou)。如果(guo)車輛由前軸(zhou)(zhou)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)，那么后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)只(zhi)是一(yi)個(ge)(ge)從動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)，只(zhi)起(qi)(qi)軸(zhou)(zhou)承(cheng)的(de)(de)(de)(de)作用(yong)(yong)(yong)。相(xiang)反，如果(guo)前橋(qiao)不(bu)是驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)，那么后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)就是驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)。前軸(zhou)(zhou)除了(le)承(cheng)載功(gong)能外，還(huan)起(qi)(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)、減速(su)和(he)(he)差速(su)器的(de)(de)(de)(de)作用(yong)(yong)(yong)。在(zai)四(si)輪(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)情(qing)(qing)況下(xia)，通(tong)常在(zai)后(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)前面有(you)一(yi)個(ge)(ge)分動(dong)(dong)(dong)(dong)(dong)箱。

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