前橋(qiao)總(zong)(zong)成安裝在車身(shen)的(de)后半部(bu)分 用于撐起車身(shen) 包(bao)括 前橋(qiao)殼、半軸(zhou)、制(zhi)動器總(zong)(zong)成、差減速器總(zong)(zong)成 帶動輪胎的(de)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。
汽(qi)車(che)前(qian)(qian)橋(qiao)(qiao)(qiao)主要是通(tong)過(guo)離合器(qi)變速箱將發動(dong)(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)(dong)力(li)減(jian)速并(bing)增加扭矩,再通(tong)過(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)總成傳遞給動(dong)(dong)(dong)(dong)(dong)(dong)力(li)的(de)最終輸出輪(lun)(lun)。同時,前(qian)(qian)軸(zhou)還(huan)起(qi)到轉向的(de)作用(yong)(yong)。此外,前(qian)(qian)橋(qiao)(qiao)(qiao)還(huan)起(qi)到承(cheng)載(zai)整(zheng)車(che)重量的(de)作用(yong)(yong),即(ji)車(che)身和前(qian)(qian)懸架通(tong)過(guo)連(lian)桿機構與前(qian)(qian)橋(qiao)(qiao)(qiao)總成連(lian)接,起(qi)到承(cheng)載(zai)的(de)作用(yong)(yong)。如果(guo)(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)不(bu)是驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao),后(hou)(hou)輪(lun)(lun)軸(zhou)就是驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)。此時除了承(cheng)載(zai)功能外,還(huan)起(qi)到驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)、減(jian)速、差速的(de)作用(yong)(yong)。在(zai)四(si)輪(lun)(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)的(de)情況下,通(tong)常在(zai)后(hou)(hou)輪(lun)(lun)軸(zhou)前(qian)(qian)面(mian)有一個分(fen)動(dong)(dong)(dong)(dong)(dong)(dong)箱。后(hou)(hou)輪(lun)(lun)軸(zhou)分(fen)為(wei)整(zheng)體橋(qiao)(qiao)(qiao)和半(ban)軸(zhou)。橋(qiao)(qiao)(qiao)梁采用(yong)(yong)非獨立(li)懸掛(gua),如鋼板彈(dan)簧(huang)懸掛(gua);半(ban)軸(zhou)采用(yong)(yong)獨立(li)懸架,如麥弗遜懸架。前(qian)(qian)軸(zhou)和后(hou)(hou)輪(lun)(lun)軸(zhou)之(zhi)間有著本質的(de)區別,不(bu)僅僅是在(zai)外觀上(shang)。后(hou)(hou)輪(lun)(lun)軸(zhou)指的(de)是汽(qi)車(che)后(hou)(hou)部的(de)車(che)軸(zhou)。如果(guo)(guo)車(che)輛由前(qian)(qian)軸(zhou)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong),那(nei)么(me)后(hou)(hou)輪(lun)(lun)軸(zhou)只是一個從動(dong)(dong)(dong)(dong)(dong)(dong)軸(zhou),只起(qi)軸(zhou)承(cheng)的(de)作用(yong)(yong)。相反,如果(guo)(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)不(bu)是驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao),那(nei)么(me)后(hou)(hou)輪(lun)(lun)軸(zhou)就是驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)。前(qian)(qian)軸(zhou)除了承(cheng)載(zai)功能外,還(huan)起(qi)到驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)、減(jian)速和差速器(qi)的(de)作用(yong)(yong)。在(zai)四(si)輪(lun)(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)(dong)(dong)(dong)的(de)情況下,通(tong)常在(zai)后(hou)(hou)輪(lun)(lun)軸(zhou)前(qian)(qian)面(mian)有一個分(fen)動(dong)(dong)(dong)(dong)(dong)(dong)箱。
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