前(qian)橋(qiao)總(zong)(zong)成安(an)裝在車身的后半(ban)(ban)部(bu)分 用于撐(cheng)起車身 包括 前(qian)橋(qiao)殼、半(ban)(ban)軸、制動器(qi)總(zong)(zong)成、差減速(su)器(qi)總(zong)(zong)成 帶動輪(lun)胎的運轉(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。
汽車(che)前(qian)(qian)橋(qiao)(qiao)(qiao)主(zhu)要(yao)是(shi)通(tong)(tong)(tong)過(guo)(guo)離合器(qi)變速(su)(su)箱(xiang)將發動(dong)機動(dong)力減(jian)速(su)(su)并增加扭矩,再通(tong)(tong)(tong)過(guo)(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)總成(cheng)傳遞給(gei)動(dong)力的(de)(de)(de)(de)(de)(de)最終輸出輪(lun)(lun)(lun)。同時(shi),前(qian)(qian)軸(zhou)(zhou)(zhou)還(huan)起(qi)(qi)到(dao)轉向的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。此(ci)(ci)外,前(qian)(qian)橋(qiao)(qiao)(qiao)還(huan)起(qi)(qi)到(dao)承(cheng)(cheng)載(zai)整(zheng)車(che)重量(liang)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong),即車(che)身(shen)和前(qian)(qian)懸架通(tong)(tong)(tong)過(guo)(guo)連(lian)桿機構與前(qian)(qian)橋(qiao)(qiao)(qiao)總成(cheng)連(lian)接,起(qi)(qi)到(dao)承(cheng)(cheng)載(zai)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。如(ru)果(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)不是(shi)驅(qu)(qu)動(dong)橋(qiao)(qiao)(qiao),后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)就(jiu)(jiu)是(shi)驅(qu)(qu)動(dong)橋(qiao)(qiao)(qiao)。此(ci)(ci)時(shi)除了承(cheng)(cheng)載(zai)功能外,還(huan)起(qi)(qi)到(dao)驅(qu)(qu)動(dong)、減(jian)速(su)(su)、差速(su)(su)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。在(zai)四(si)輪(lun)(lun)(lun)驅(qu)(qu)動(dong)的(de)(de)(de)(de)(de)(de)情(qing)(qing)況下,通(tong)(tong)(tong)常(chang)在(zai)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)面有(you)(you)一個分動(dong)箱(xiang)。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)分為整(zheng)體橋(qiao)(qiao)(qiao)和半(ban)軸(zhou)(zhou)(zhou)。橋(qiao)(qiao)(qiao)梁(liang)采用(yong)(yong)非獨(du)立懸掛,如(ru)鋼板彈(dan)簧懸掛;半(ban)軸(zhou)(zhou)(zhou)采用(yong)(yong)獨(du)立懸架,如(ru)麥弗遜懸架。前(qian)(qian)軸(zhou)(zhou)(zhou)和后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)之間(jian)有(you)(you)著本質(zhi)的(de)(de)(de)(de)(de)(de)區別,不僅僅是(shi)在(zai)外觀上。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)指的(de)(de)(de)(de)(de)(de)是(shi)汽車(che)后(hou)部(bu)的(de)(de)(de)(de)(de)(de)車(che)軸(zhou)(zhou)(zhou)。如(ru)果(guo)車(che)輛由前(qian)(qian)軸(zhou)(zhou)(zhou)驅(qu)(qu)動(dong),那么后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)只是(shi)一個從動(dong)軸(zhou)(zhou)(zhou),只起(qi)(qi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。相反,如(ru)果(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)不是(shi)驅(qu)(qu)動(dong)橋(qiao)(qiao)(qiao),那么后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)就(jiu)(jiu)是(shi)驅(qu)(qu)動(dong)橋(qiao)(qiao)(qiao)。前(qian)(qian)軸(zhou)(zhou)(zhou)除了承(cheng)(cheng)載(zai)功能外,還(huan)起(qi)(qi)到(dao)驅(qu)(qu)動(dong)、減(jian)速(su)(su)和差速(su)(su)器(qi)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)。在(zai)四(si)輪(lun)(lun)(lun)驅(qu)(qu)動(dong)的(de)(de)(de)(de)(de)(de)情(qing)(qing)況下,通(tong)(tong)(tong)常(chang)在(zai)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)面有(you)(you)一個分動(dong)箱(xiang)。
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