前橋總成安裝在車身的(de)后半部分 用于(yu)撐(cheng)起車身 包括(kuo) 前橋殼(ke)、半軸、制動(dong)器總成、差(cha)減速器總成 帶動(dong)輪(lun)胎(tai)的(de)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。
汽車前(qian)(qian)(qian)(qian)(qian)橋(qiao)(qiao)主要是(shi)(shi)(shi)通過(guo)離合(he)器(qi)變速(su)(su)(su)箱(xiang)將發動(dong)(dong)(dong)機動(dong)(dong)(dong)力(li)減速(su)(su)(su)并增加(jia)扭矩(ju),再通過(guo)前(qian)(qian)(qian)(qian)(qian)橋(qiao)(qiao)總(zong)成傳遞給動(dong)(dong)(dong)力(li)的(de)(de)(de)(de)最終輸出輪(lun)。同時,前(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)到(dao)轉向的(de)(de)(de)(de)作(zuo)用(yong)(yong)。此外(wai),前(qian)(qian)(qian)(qian)(qian)橋(qiao)(qiao)還(huan)起(qi)到(dao)承(cheng)載(zai)整車重量(liang)的(de)(de)(de)(de)作(zuo)用(yong)(yong),即車身和(he)前(qian)(qian)(qian)(qian)(qian)懸(xuan)架(jia)通過(guo)連桿(gan)機構與前(qian)(qian)(qian)(qian)(qian)橋(qiao)(qiao)總(zong)成連接,起(qi)到(dao)承(cheng)載(zai)的(de)(de)(de)(de)作(zuo)用(yong)(yong)。如果前(qian)(qian)(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)(shi)(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao),后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao)。此時除了承(cheng)載(zai)功能外(wai),還(huan)起(qi)到(dao)驅動(dong)(dong)(dong)、減速(su)(su)(su)、差速(su)(su)(su)的(de)(de)(de)(de)作(zuo)用(yong)(yong)。在(zai)(zai)(zai)四輪(lun)驅動(dong)(dong)(dong)的(de)(de)(de)(de)情況下,通常在(zai)(zai)(zai)后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)(qian)面有(you)一個(ge)分(fen)動(dong)(dong)(dong)箱(xiang)。后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)分(fen)為整體(ti)橋(qiao)(qiao)和(he)半軸(zhou)(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁采用(yong)(yong)非(fei)獨立懸(xuan)掛,如鋼板彈簧懸(xuan)掛;半軸(zhou)(zhou)(zhou)(zhou)(zhou)采用(yong)(yong)獨立懸(xuan)架(jia),如麥弗遜懸(xuan)架(jia)。前(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)和(he)后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)之間有(you)著本質的(de)(de)(de)(de)區(qu)別(bie),不僅僅是(shi)(shi)(shi)在(zai)(zai)(zai)外(wai)觀上。后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)指的(de)(de)(de)(de)是(shi)(shi)(shi)汽車后(hou)部的(de)(de)(de)(de)車軸(zhou)(zhou)(zhou)(zhou)(zhou)。如果車輛由前(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)驅動(dong)(dong)(dong),那么后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)只(zhi)是(shi)(shi)(shi)一個(ge)從(cong)動(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou)(zhou),只(zhi)起(qi)軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)的(de)(de)(de)(de)作(zuo)用(yong)(yong)。相反,如果前(qian)(qian)(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)(shi)(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao),那么后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅動(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)除了承(cheng)載(zai)功能外(wai),還(huan)起(qi)到(dao)驅動(dong)(dong)(dong)、減速(su)(su)(su)和(he)差速(su)(su)(su)器(qi)的(de)(de)(de)(de)作(zuo)用(yong)(yong)。在(zai)(zai)(zai)四輪(lun)驅動(dong)(dong)(dong)的(de)(de)(de)(de)情況下,通常在(zai)(zai)(zai)后(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)(qian)面有(you)一個(ge)分(fen)動(dong)(dong)(dong)箱(xiang)。
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