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前橋總成簡介

前(qian)橋(qiao)總成安裝在車身的后(hou)半(ban)部分(fen) 用于撐起車身 包(bao)括 前(qian)橋(qiao)殼、半(ban)軸、制(zhi)動器總成、差減速器總成 帶動輪胎的運轉。

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(qi)車(che)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)主要是(shi)(shi)(shi)通(tong)過(guo)離合器變速(su)(su)箱(xiang)(xiang)將(jiang)發動(dong)(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)(dong)力減(jian)速(su)(su)并增加扭矩，再通(tong)過(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)總成傳遞給動(dong)(dong)(dong)(dong)(dong)(dong)力的最終輸出輪(lun)(lun)。同(tong)時(shi)，前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)還起(qi)(qi)到轉向的作(zuo)用。此外(wai)，前(qian)(qian)(qian)(qian)橋(qiao)(qiao)還起(qi)(qi)到承(cheng)(cheng)載整車(che)重量的作(zuo)用，即車(che)身和(he)前(qian)(qian)(qian)(qian)懸(xuan)架(jia)通(tong)過(guo)連(lian)桿機構與前(qian)(qian)(qian)(qian)橋(qiao)(qiao)總成連(lian)接，起(qi)(qi)到承(cheng)(cheng)載的作(zuo)用。如果(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)，后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。此時(shi)除了(le)(le)承(cheng)(cheng)載功能外(wai)，還起(qi)(qi)到驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)、減(jian)速(su)(su)、差速(su)(su)的作(zuo)用。在(zai)四輪(lun)(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)的情(qing)況(kuang)下(xia)，通(tong)常在(zai)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面(mian)有(you)一個(ge)分動(dong)(dong)(dong)(dong)(dong)(dong)箱(xiang)(xiang)。后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)分為(wei)整體橋(qiao)(qiao)和(he)半(ban)軸(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁采用非獨立懸(xuan)掛(gua)，如鋼板彈簧懸(xuan)掛(gua)；半(ban)軸(zhou)(zhou)(zhou)采用獨立懸(xuan)架(jia)，如麥弗遜懸(xuan)架(jia)。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)和(he)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)之間有(you)著(zhu)本質的區別，不僅(jin)僅(jin)是(shi)(shi)(shi)在(zai)外(wai)觀上(shang)。后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)指的是(shi)(shi)(shi)汽(qi)車(che)后(hou)(hou)(hou)部的車(che)軸(zhou)(zhou)(zhou)。如果(guo)車(che)輛(liang)由前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)，那么(me)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)只(zhi)是(shi)(shi)(shi)一個(ge)從(cong)動(dong)(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)，只(zhi)起(qi)(qi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)的作(zuo)用。相反，如果(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)，那么(me)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)除了(le)(le)承(cheng)(cheng)載功能外(wai)，還起(qi)(qi)到驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)、減(jian)速(su)(su)和(he)差速(su)(su)器的作(zuo)用。在(zai)四輪(lun)(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)的情(qing)況(kuang)下(xia)，通(tong)常在(zai)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面(mian)有(you)一個(ge)分動(dong)(dong)(dong)(dong)(dong)(dong)箱(xiang)(xiang)。

寶馬X5(進口)簡介

寶(bao)馬X5外(wai)形闊氣(qi)、霸道、具(ju)有四(si)輪(lun)驅動(dong)車(che)(che)前(qian)所未有的(de)(de)水平。寶(bao)馬X5是寶(bao)馬品牌(pai)的(de)(de)第一款四(si)輪(lun)驅動(dong)汽(qi)車(che)(che)，X5擁有運動(dong)車(che)(che)的(de)(de)性能，四(si)門車(che)(che)的(de)(de)舒適，適合各種不同(tong)路面，不僅被(bei)證(zheng)明是最(zui)(zui)安(an)全的(de)(de)SUV型車(che)(che)，也是美國高速公路安(an)全保險協會(hui)所測評過(guo)的(de)(de)表現最(zui)(zui)佳的(de)(de)汽(qi)車(che)(che)。該(gai)車(che)(che)于1999年底(di)在美國上(shang)市，并在SUV市場取得巨大成功(gong)，成為豪華SUV的(de)(de)領頭羊。