前(qian)橋總(zong)成(cheng)安裝在(zai)車身(shen)的(de)后半(ban)部分 用于撐起車身(shen) 包括 前(qian)橋殼、半(ban)軸、制(zhi)動器總(zong)成(cheng)、差減速器總(zong)成(cheng) 帶(dai)動輪胎的(de)運轉。
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)主(zhu)要是(shi)(shi)通(tong)過離(li)合(he)器(qi)變速(su)箱(xiang)將發動(dong)(dong)(dong)機動(dong)(dong)(dong)力減(jian)速(su)并增加扭矩,再通(tong)過前(qian)(qian)橋(qiao)總成傳遞給動(dong)(dong)(dong)力的最終輸出(chu)輪(lun)(lun)(lun)。同時,前(qian)(qian)軸(zhou)(zhou)還(huan)起(qi)(qi)到轉向(xiang)的作(zuo)(zuo)用(yong)(yong)(yong)。此外,前(qian)(qian)橋(qiao)還(huan)起(qi)(qi)到承(cheng)(cheng)載(zai)(zai)整車(che)(che)重(zhong)量的作(zuo)(zuo)用(yong)(yong)(yong),即車(che)(che)身和前(qian)(qian)懸(xuan)架通(tong)過連(lian)桿機構與前(qian)(qian)橋(qiao)總成連(lian)接,起(qi)(qi)到承(cheng)(cheng)載(zai)(zai)的作(zuo)(zuo)用(yong)(yong)(yong)。如(ru)果前(qian)(qian)橋(qiao)不是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)橋(qiao),后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)就(jiu)是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)橋(qiao)。此時除了承(cheng)(cheng)載(zai)(zai)功能外,還(huan)起(qi)(qi)到驅(qu)(qu)(qu)動(dong)(dong)(dong)、減(jian)速(su)、差速(su)的作(zuo)(zuo)用(yong)(yong)(yong)。在四(si)輪(lun)(lun)(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)的情(qing)況下,通(tong)常(chang)在后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)前(qian)(qian)面(mian)有(you)一個分動(dong)(dong)(dong)箱(xiang)。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)分為整體橋(qiao)和半(ban)軸(zhou)(zhou)。橋(qiao)梁(liang)采用(yong)(yong)(yong)非獨立(li)懸(xuan)掛,如(ru)鋼板彈簧懸(xuan)掛;半(ban)軸(zhou)(zhou)采用(yong)(yong)(yong)獨立(li)懸(xuan)架,如(ru)麥弗遜懸(xuan)架。前(qian)(qian)軸(zhou)(zhou)和后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)之間(jian)有(you)著(zhu)本質的區(qu)別,不僅僅是(shi)(shi)在外觀上(shang)。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)指(zhi)的是(shi)(shi)汽車(che)(che)后(hou)部的車(che)(che)軸(zhou)(zhou)。如(ru)果車(che)(che)輛由前(qian)(qian)軸(zhou)(zhou)驅(qu)(qu)(qu)動(dong)(dong)(dong),那(nei)么(me)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)只(zhi)是(shi)(shi)一個從(cong)動(dong)(dong)(dong)軸(zhou)(zhou),只(zhi)起(qi)(qi)軸(zhou)(zhou)承(cheng)(cheng)的作(zuo)(zuo)用(yong)(yong)(yong)。相反,如(ru)果前(qian)(qian)橋(qiao)不是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)橋(qiao),那(nei)么(me)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)就(jiu)是(shi)(shi)驅(qu)(qu)(qu)動(dong)(dong)(dong)橋(qiao)。前(qian)(qian)軸(zhou)(zhou)除了承(cheng)(cheng)載(zai)(zai)功能外,還(huan)起(qi)(qi)到驅(qu)(qu)(qu)動(dong)(dong)(dong)、減(jian)速(su)和差速(su)器(qi)的作(zuo)(zuo)用(yong)(yong)(yong)。在四(si)輪(lun)(lun)(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)的情(qing)況下,通(tong)常(chang)在后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)前(qian)(qian)面(mian)有(you)一個分動(dong)(dong)(dong)箱(xiang)。
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