前橋總成(cheng)安裝(zhuang)在車(che)(che)身的后半(ban)部(bu)分 用于撐起車(che)(che)身 包括 前橋殼(ke)、半(ban)軸、制動(dong)器(qi)總成(cheng)、差減(jian)速(su)器(qi)總成(cheng) 帶動(dong)輪胎的運轉(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(qi)(qi)車(che)(che)(che)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)(qiao)主要是(shi)(shi)(shi)通(tong)(tong)過(guo)離合器(qi)(qi)變速箱將發(fa)動(dong)機動(dong)力減速并(bing)增加扭矩(ju),再通(tong)(tong)過(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)(qiao)總成傳遞(di)給動(dong)力的最終輸出輪(lun)(lun)(lun)。同時,前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)還(huan)起(qi)到(dao)轉向的作(zuo)(zuo)用(yong)(yong)。此外(wai),前(qian)(qian)(qian)(qian)橋(qiao)(qiao)(qiao)還(huan)起(qi)到(dao)承(cheng)(cheng)(cheng)載整(zheng)車(che)(che)(che)重量的作(zuo)(zuo)用(yong)(yong),即車(che)(che)(che)身和(he)(he)前(qian)(qian)(qian)(qian)懸(xuan)架通(tong)(tong)過(guo)連桿(gan)機構與前(qian)(qian)(qian)(qian)橋(qiao)(qiao)(qiao)總成連接(jie),起(qi)到(dao)承(cheng)(cheng)(cheng)載的作(zuo)(zuo)用(yong)(yong)。如(ru)果(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)(qiao)不(bu)是(shi)(shi)(shi)驅(qu)動(dong)橋(qiao)(qiao)(qiao),后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)動(dong)橋(qiao)(qiao)(qiao)。此時除(chu)了(le)承(cheng)(cheng)(cheng)載功能外(wai),還(huan)起(qi)到(dao)驅(qu)動(dong)、減速、差速的作(zuo)(zuo)用(yong)(yong)。在(zai)四(si)輪(lun)(lun)(lun)驅(qu)動(dong)的情況下(xia),通(tong)(tong)常在(zai)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面(mian)有一個(ge)分(fen)(fen)動(dong)箱。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)分(fen)(fen)為整(zheng)體橋(qiao)(qiao)(qiao)和(he)(he)半軸(zhou)(zhou)(zhou)。橋(qiao)(qiao)(qiao)梁采用(yong)(yong)非(fei)獨立(li)懸(xuan)掛(gua),如(ru)鋼板彈簧懸(xuan)掛(gua);半軸(zhou)(zhou)(zhou)采用(yong)(yong)獨立(li)懸(xuan)架,如(ru)麥弗遜懸(xuan)架。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)和(he)(he)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)之間有著本質的區別,不(bu)僅僅是(shi)(shi)(shi)在(zai)外(wai)觀上。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)指的是(shi)(shi)(shi)汽(qi)(qi)車(che)(che)(che)后(hou)部的車(che)(che)(che)軸(zhou)(zhou)(zhou)。如(ru)果(guo)車(che)(che)(che)輛由前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)驅(qu)動(dong),那么(me)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)只(zhi)是(shi)(shi)(shi)一個(ge)從動(dong)軸(zhou)(zhou)(zhou),只(zhi)起(qi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)的作(zuo)(zuo)用(yong)(yong)。相反,如(ru)果(guo)前(qian)(qian)(qian)(qian)橋(qiao)(qiao)(qiao)不(bu)是(shi)(shi)(shi)驅(qu)動(dong)橋(qiao)(qiao)(qiao),那么(me)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)動(dong)橋(qiao)(qiao)(qiao)。前(qian)(qian)(qian)(qian)軸(zhou)(zhou)(zhou)除(chu)了(le)承(cheng)(cheng)(cheng)載功能外(wai),還(huan)起(qi)到(dao)驅(qu)動(dong)、減速和(he)(he)差速器(qi)(qi)的作(zuo)(zuo)用(yong)(yong)。在(zai)四(si)輪(lun)(lun)(lun)驅(qu)動(dong)的情況下(xia),通(tong)(tong)常在(zai)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)(qian)面(mian)有一個(ge)分(fen)(fen)動(dong)箱。
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