前(qian)橋總(zong)成(cheng)安裝在車(che)身的后半部分 用于撐起(qi)車(che)身 包括 前(qian)橋殼、半軸、制動器總(zong)成(cheng)、差減速器總(zong)成(cheng) 帶動輪胎(tai)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)(che)前(qian)(qian)橋(qiao)(qiao)(qiao)主要是(shi)(shi)(shi)通(tong)(tong)過離(li)合(he)器變速(su)(su)箱將(jiang)發動(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)力(li)減(jian)速(su)(su)并增加扭(niu)矩,再通(tong)(tong)過前(qian)(qian)橋(qiao)(qiao)(qiao)總成傳遞給(gei)動(dong)(dong)(dong)(dong)力(li)的(de)最終輸(shu)出輪(lun)(lun)(lun)。同時,前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)還(huan)起(qi)(qi)到(dao)轉向的(de)作(zuo)(zuo)用(yong)(yong)(yong)。此(ci)外,前(qian)(qian)橋(qiao)(qiao)(qiao)還(huan)起(qi)(qi)到(dao)承(cheng)載(zai)(zai)整(zheng)車(che)(che)重(zhong)量(liang)的(de)作(zuo)(zuo)用(yong)(yong)(yong),即車(che)(che)身(shen)和(he)前(qian)(qian)懸(xuan)(xuan)架(jia)通(tong)(tong)過連(lian)桿機構與前(qian)(qian)橋(qiao)(qiao)(qiao)總成連(lian)接,起(qi)(qi)到(dao)承(cheng)載(zai)(zai)的(de)作(zuo)(zuo)用(yong)(yong)(yong)。如(ru)果(guo)(guo)(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)不(bu)是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao),后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)。此(ci)時除了承(cheng)載(zai)(zai)功能(neng)外,還(huan)起(qi)(qi)到(dao)驅(qu)動(dong)(dong)(dong)(dong)、減(jian)速(su)(su)、差速(su)(su)的(de)作(zuo)(zuo)用(yong)(yong)(yong)。在四輪(lun)(lun)(lun)驅(qu)動(dong)(dong)(dong)(dong)的(de)情況下(xia),通(tong)(tong)常(chang)(chang)在后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)面有一(yi)(yi)個分動(dong)(dong)(dong)(dong)箱。后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)分為整(zheng)體(ti)橋(qiao)(qiao)(qiao)和(he)半軸(zhou)(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)(qiao)梁(liang)采(cai)用(yong)(yong)(yong)非獨立(li)懸(xuan)(xuan)掛,如(ru)鋼(gang)板彈簧懸(xuan)(xuan)掛;半軸(zhou)(zhou)(zhou)(zhou)(zhou)采(cai)用(yong)(yong)(yong)獨立(li)懸(xuan)(xuan)架(jia),如(ru)麥弗遜(xun)懸(xuan)(xuan)架(jia)。前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)和(he)后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)之間有著本質的(de)區別,不(bu)僅僅是(shi)(shi)(shi)在外觀上(shang)。后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)指的(de)是(shi)(shi)(shi)汽車(che)(che)后部的(de)車(che)(che)軸(zhou)(zhou)(zhou)(zhou)(zhou)。如(ru)果(guo)(guo)(guo)車(che)(che)輛(liang)由前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)驅(qu)動(dong)(dong)(dong)(dong),那么(me)后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)只(zhi)是(shi)(shi)(shi)一(yi)(yi)個從動(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou)(zhou),只(zhi)起(qi)(qi)軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)的(de)作(zuo)(zuo)用(yong)(yong)(yong)。相反(fan),如(ru)果(guo)(guo)(guo)前(qian)(qian)橋(qiao)(qiao)(qiao)不(bu)是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao),那么(me)后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)。前(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)除了承(cheng)載(zai)(zai)功能(neng)外,還(huan)起(qi)(qi)到(dao)驅(qu)動(dong)(dong)(dong)(dong)、減(jian)速(su)(su)和(he)差速(su)(su)器的(de)作(zuo)(zuo)用(yong)(yong)(yong)。在四輪(lun)(lun)(lun)驅(qu)動(dong)(dong)(dong)(dong)的(de)情況下(xia),通(tong)(tong)常(chang)(chang)在后輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)面有一(yi)(yi)個分動(dong)(dong)(dong)(dong)箱。
寶馬520i是(shi)(shi)寶馬出品的一款(kuan)中大型轎車(che)。作為進口寶馬5系的最(zui)(zui)(zui)低(di)配版(ban),520i采用了更輕量化(hua)的車(che)身,車(che)身尺寸卻沒有變。與這(zhe)款(kuan)車(che)型相匹配的,是(shi)(shi)一臺(tai)最(zui)(zui)(zui)大功率輸出170馬力、峰值扭矩210牛米的2.2升自(zi)然吸氣(qi)L6缸發(fa)動機(ji),壓縮比高達(da)10.8,百公里加速只需9.9秒即(ji)可完(wan)成,最(zui)(zui)(zui)高時(shi)速達(da)226公里/小時(shi)。
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