前(qian)(qian)橋總(zong)(zong)成安裝在車身(shen)的(de)后半部分 用(yong)于撐(cheng)起車身(shen) 包(bao)括 前(qian)(qian)橋殼、半軸、制動器總(zong)(zong)成、差減速器總(zong)(zong)成 帶(dai)動輪(lun)胎的(de)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)車前(qian)(qian)(qian)橋(qiao)主要是(shi)(shi)(shi)通(tong)過(guo)(guo)離合器(qi)變速箱將發(fa)動(dong)(dong)(dong)(dong)機(ji)動(dong)(dong)(dong)(dong)力(li)減速并增加扭矩,再(zai)通(tong)過(guo)(guo)前(qian)(qian)(qian)橋(qiao)總成傳遞給動(dong)(dong)(dong)(dong)力(li)的(de)(de)(de)最終輸(shu)出(chu)輪(lun)(lun)。同(tong)時(shi),前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)還起(qi)(qi)到(dao)轉向的(de)(de)(de)作(zuo)用(yong)(yong)。此外(wai),前(qian)(qian)(qian)橋(qiao)還起(qi)(qi)到(dao)承(cheng)(cheng)(cheng)載整車重量(liang)的(de)(de)(de)作(zuo)用(yong)(yong),即(ji)車身和(he)前(qian)(qian)(qian)懸(xuan)架(jia)通(tong)過(guo)(guo)連桿機(ji)構與前(qian)(qian)(qian)橋(qiao)總成連接,起(qi)(qi)到(dao)承(cheng)(cheng)(cheng)載的(de)(de)(de)作(zuo)用(yong)(yong)。如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)不是(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao),后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao)。此時(shi)除(chu)了(le)承(cheng)(cheng)(cheng)載功能外(wai),還起(qi)(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)、減速、差速的(de)(de)(de)作(zuo)用(yong)(yong)。在(zai)四輪(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)的(de)(de)(de)情況下(xia),通(tong)常(chang)在(zai)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)面有(you)一個(ge)分(fen)動(dong)(dong)(dong)(dong)箱。后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)分(fen)為(wei)整體橋(qiao)和(he)半(ban)軸(zhou)(zhou)(zhou)。橋(qiao)梁采用(yong)(yong)非獨立(li)懸(xuan)掛,如(ru)鋼(gang)板彈簧懸(xuan)掛;半(ban)軸(zhou)(zhou)(zhou)采用(yong)(yong)獨立(li)懸(xuan)架(jia),如(ru)麥弗(fu)遜懸(xuan)架(jia)。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)和(he)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)之間有(you)著本質的(de)(de)(de)區別,不僅(jin)僅(jin)是(shi)(shi)(shi)在(zai)外(wai)觀(guan)上。后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)指的(de)(de)(de)是(shi)(shi)(shi)汽(qi)(qi)車后(hou)(hou)(hou)部的(de)(de)(de)車軸(zhou)(zhou)(zhou)。如(ru)果(guo)車輛由前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)驅(qu)(qu)動(dong)(dong)(dong)(dong),那(nei)么后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)只是(shi)(shi)(shi)一個(ge)從動(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou),只起(qi)(qi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)作(zuo)用(yong)(yong)。相反,如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)不是(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao),那(nei)么后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)(dong)(dong)橋(qiao)。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)除(chu)了(le)承(cheng)(cheng)(cheng)載功能外(wai),還起(qi)(qi)到(dao)驅(qu)(qu)動(dong)(dong)(dong)(dong)、減速和(he)差速器(qi)的(de)(de)(de)作(zuo)用(yong)(yong)。在(zai)四輪(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)的(de)(de)(de)情況下(xia),通(tong)常(chang)在(zai)后(hou)(hou)(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)(qian)(qian)面有(you)一個(ge)分(fen)動(dong)(dong)(dong)(dong)箱。
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