前橋(qiao)總成(cheng)(cheng)(cheng)安裝在車(che)身(shen)的后半部分 用于撐起車(che)身(shen) 包括(kuo) 前橋(qiao)殼、半軸、制動器總成(cheng)(cheng)(cheng)、差減速器總成(cheng)(cheng)(cheng) 帶(dai)動輪(lun)胎的運(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。
汽車(che)前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)主要是(shi)(shi)(shi)通(tong)(tong)(tong)過離合器變速箱將發動(dong)(dong)機動(dong)(dong)力減(jian)速并增加扭矩,再通(tong)(tong)(tong)過前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)總成(cheng)傳(chuan)遞給(gei)動(dong)(dong)力的(de)(de)(de)最終輸出輪(lun)(lun)(lun)(lun)。同時,前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)到(dao)(dao)轉向的(de)(de)(de)作(zuo)用(yong)(yong)。此外(wai),前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)還(huan)起(qi)到(dao)(dao)承載(zai)整車(che)重量的(de)(de)(de)作(zuo)用(yong)(yong),即車(che)身和(he)(he)前(qian)(qian)(qian)懸(xuan)架通(tong)(tong)(tong)過連桿機構與(yu)前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)總成(cheng)連接,起(qi)到(dao)(dao)承載(zai)的(de)(de)(de)作(zuo)用(yong)(yong)。如(ru)果前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)不(bu)(bu)是(shi)(shi)(shi)驅(qu)(qu)(qu)(qu)動(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao),后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)就(jiu)是(shi)(shi)(shi)驅(qu)(qu)(qu)(qu)動(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao)。此時除了承載(zai)功能外(wai),還(huan)起(qi)到(dao)(dao)驅(qu)(qu)(qu)(qu)動(dong)(dong)、減(jian)速、差速的(de)(de)(de)作(zuo)用(yong)(yong)。在(zai)(zai)四輪(lun)(lun)(lun)(lun)驅(qu)(qu)(qu)(qu)動(dong)(dong)的(de)(de)(de)情(qing)況下(xia),通(tong)(tong)(tong)常在(zai)(zai)后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面有一個(ge)分動(dong)(dong)箱。后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)分為(wei)整體橋(qiao)(qiao)(qiao)(qiao)(qiao)和(he)(he)半軸(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)(qiao)(qiao)(qiao)梁采用(yong)(yong)非(fei)獨立懸(xuan)掛,如(ru)鋼板彈簧懸(xuan)掛;半軸(zhou)(zhou)(zhou)(zhou)采用(yong)(yong)獨立懸(xuan)架,如(ru)麥弗遜懸(xuan)架。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)和(he)(he)后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)之(zhi)間有著本質的(de)(de)(de)區別(bie),不(bu)(bu)僅(jin)僅(jin)是(shi)(shi)(shi)在(zai)(zai)外(wai)觀上。后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)指的(de)(de)(de)是(shi)(shi)(shi)汽車(che)后(hou)部(bu)的(de)(de)(de)車(che)軸(zhou)(zhou)(zhou)(zhou)。如(ru)果車(che)輛由前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)驅(qu)(qu)(qu)(qu)動(dong)(dong),那(nei)么后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)只是(shi)(shi)(shi)一個(ge)從動(dong)(dong)軸(zhou)(zhou)(zhou)(zhou),只起(qi)軸(zhou)(zhou)(zhou)(zhou)承的(de)(de)(de)作(zuo)用(yong)(yong)。相反,如(ru)果前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)不(bu)(bu)是(shi)(shi)(shi)驅(qu)(qu)(qu)(qu)動(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao),那(nei)么后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)就(jiu)是(shi)(shi)(shi)驅(qu)(qu)(qu)(qu)動(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao)。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)除了承載(zai)功能外(wai),還(huan)起(qi)到(dao)(dao)驅(qu)(qu)(qu)(qu)動(dong)(dong)、減(jian)速和(he)(he)差速器的(de)(de)(de)作(zuo)用(yong)(yong)。在(zai)(zai)四輪(lun)(lun)(lun)(lun)驅(qu)(qu)(qu)(qu)動(dong)(dong)的(de)(de)(de)情(qing)況下(xia),通(tong)(tong)(tong)常在(zai)(zai)后(hou)輪(lun)(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面有一個(ge)分動(dong)(dong)箱。
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