前(qian)橋總成(cheng)安裝(zhuang)在(zai)車(che)(che)身(shen)的(de)后半部分 用于撐起車(che)(che)身(shen) 包(bao)括(kuo) 前(qian)橋殼、半軸、制動器總成(cheng)、差減速器總成(cheng) 帶動輪胎(tai)的(de)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)主要(yao)是(shi)通(tong)過離合器變速(su)箱將發動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力減(jian)速(su)并增加(jia)扭矩,再(zai)通(tong)過前(qian)(qian)(qian)橋(qiao)總(zong)成傳遞給動(dong)(dong)(dong)(dong)(dong)力的(de)(de)(de)(de)最終(zhong)輸出(chu)輪(lun)(lun)。同時,前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)還起(qi)(qi)到轉向(xiang)的(de)(de)(de)(de)作用(yong)(yong)(yong)。此外(wai),前(qian)(qian)(qian)橋(qiao)還起(qi)(qi)到承(cheng)載整(zheng)車(che)重量的(de)(de)(de)(de)作用(yong)(yong)(yong),即車(che)身和(he)前(qian)(qian)(qian)懸(xuan)架通(tong)過連桿機構與(yu)前(qian)(qian)(qian)橋(qiao)總(zong)成連接,起(qi)(qi)到承(cheng)載的(de)(de)(de)(de)作用(yong)(yong)(yong)。如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)不(bu)(bu)是(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao),后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)。此時除(chu)(chu)了(le)承(cheng)載功能(neng)外(wai),還起(qi)(qi)到驅(qu)動(dong)(dong)(dong)(dong)(dong)、減(jian)速(su)、差(cha)速(su)的(de)(de)(de)(de)作用(yong)(yong)(yong)。在(zai)(zai)四輪(lun)(lun)驅(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)情(qing)況(kuang)下(xia),通(tong)常在(zai)(zai)后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面(mian)有一(yi)個(ge)(ge)分動(dong)(dong)(dong)(dong)(dong)箱。后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)分為整(zheng)體橋(qiao)和(he)半軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)。橋(qiao)梁采用(yong)(yong)(yong)非獨立懸(xuan)掛(gua),如(ru)鋼板彈簧懸(xuan)掛(gua);半軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)采用(yong)(yong)(yong)獨立懸(xuan)架,如(ru)麥(mai)弗遜懸(xuan)架。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)和(he)后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)之間有著本質(zhi)的(de)(de)(de)(de)區別,不(bu)(bu)僅(jin)僅(jin)是(shi)在(zai)(zai)外(wai)觀(guan)上(shang)。后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)指的(de)(de)(de)(de)是(shi)汽車(che)后(hou)部(bu)的(de)(de)(de)(de)車(che)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)。如(ru)果(guo)車(che)輛(liang)由前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)驅(qu)動(dong)(dong)(dong)(dong)(dong),那(nei)么后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)只(zhi)(zhi)是(shi)一(yi)個(ge)(ge)從動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou),只(zhi)(zhi)起(qi)(qi)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)的(de)(de)(de)(de)作用(yong)(yong)(yong)。相反,如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)不(bu)(bu)是(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao),那(nei)么后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)除(chu)(chu)了(le)承(cheng)載功能(neng)外(wai),還起(qi)(qi)到驅(qu)動(dong)(dong)(dong)(dong)(dong)、減(jian)速(su)和(he)差(cha)速(su)器的(de)(de)(de)(de)作用(yong)(yong)(yong)。在(zai)(zai)四輪(lun)(lun)驅(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)情(qing)況(kuang)下(xia),通(tong)常在(zai)(zai)后(hou)輪(lun)(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面(mian)有一(yi)個(ge)(ge)分動(dong)(dong)(dong)(dong)(dong)箱。
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