前橋(qiao)總(zong)成(cheng)安裝(zhuang)在車(che)身的(de)后(hou)半部(bu)分(fen) 用(yong)于撐起車(che)身 包括(kuo) 前橋(qiao)殼(ke)、半軸、制動器總(zong)成(cheng)、差減速器總(zong)成(cheng) 帶動輪胎的(de)運(yun)轉(zhuan)。
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(qi)車(che)(che)前(qian)(qian)(qian)(qian)(qian)(qian)橋(qiao)主(zhu)要(yao)是(shi)通(tong)過(guo)離合器變速(su)(su)箱(xiang)將發(fa)動(dong)(dong)(dong)機(ji)(ji)動(dong)(dong)(dong)力減速(su)(su)并增加扭矩,再通(tong)過(guo)前(qian)(qian)(qian)(qian)(qian)(qian)橋(qiao)總成傳遞(di)給(gei)動(dong)(dong)(dong)力的(de)(de)(de)最終輸出(chu)輪(lun)(lun)(lun)(lun)。同時(shi),前(qian)(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)(qi)(qi)到(dao)轉(zhuan)向的(de)(de)(de)作用。此(ci)外,前(qian)(qian)(qian)(qian)(qian)(qian)橋(qiao)還(huan)起(qi)(qi)(qi)到(dao)承載整(zheng)(zheng)車(che)(che)重量的(de)(de)(de)作用,即(ji)車(che)(che)身和(he)前(qian)(qian)(qian)(qian)(qian)(qian)懸架(jia)通(tong)過(guo)連桿(gan)機(ji)(ji)構與前(qian)(qian)(qian)(qian)(qian)(qian)橋(qiao)總成連接,起(qi)(qi)(qi)到(dao)承載的(de)(de)(de)作用。如果(guo)前(qian)(qian)(qian)(qian)(qian)(qian)橋(qiao)不是(shi)驅動(dong)(dong)(dong)橋(qiao),后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)就是(shi)驅動(dong)(dong)(dong)橋(qiao)。此(ci)時(shi)除了承載功能外,還(huan)起(qi)(qi)(qi)到(dao)驅動(dong)(dong)(dong)、減速(su)(su)、差速(su)(su)的(de)(de)(de)作用。在(zai)四輪(lun)(lun)(lun)(lun)驅動(dong)(dong)(dong)的(de)(de)(de)情況下,通(tong)常(chang)在(zai)后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)(qian)(qian)面(mian)有一個(ge)分(fen)動(dong)(dong)(dong)箱(xiang)。后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)分(fen)為整(zheng)(zheng)體橋(qiao)和(he)半軸(zhou)(zhou)(zhou)(zhou)。橋(qiao)梁(liang)采用非獨(du)立(li)懸掛(gua),如鋼板彈簧懸掛(gua);半軸(zhou)(zhou)(zhou)(zhou)采用獨(du)立(li)懸架(jia),如麥弗(fu)遜懸架(jia)。前(qian)(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)和(he)后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)之(zhi)間有著(zhu)本質的(de)(de)(de)區別,不僅僅是(shi)在(zai)外觀上。后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)指的(de)(de)(de)是(shi)汽(qi)車(che)(che)后(hou)(hou)部的(de)(de)(de)車(che)(che)軸(zhou)(zhou)(zhou)(zhou)。如果(guo)車(che)(che)輛由前(qian)(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)驅動(dong)(dong)(dong),那(nei)么后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)只是(shi)一個(ge)從動(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou),只起(qi)(qi)(qi)軸(zhou)(zhou)(zhou)(zhou)承的(de)(de)(de)作用。相反,如果(guo)前(qian)(qian)(qian)(qian)(qian)(qian)橋(qiao)不是(shi)驅動(dong)(dong)(dong)橋(qiao),那(nei)么后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)就是(shi)驅動(dong)(dong)(dong)橋(qiao)。前(qian)(qian)(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)除了承載功能外,還(huan)起(qi)(qi)(qi)到(dao)驅動(dong)(dong)(dong)、減速(su)(su)和(he)差速(su)(su)器的(de)(de)(de)作用。在(zai)四輪(lun)(lun)(lun)(lun)驅動(dong)(dong)(dong)的(de)(de)(de)情況下,通(tong)常(chang)在(zai)后(hou)(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)(qian)(qian)面(mian)有一個(ge)分(fen)動(dong)(dong)(dong)箱(xiang)。
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