前橋總成(cheng)安裝在車身(shen)的后半部(bu)分 用于撐起車身(shen) 包括 前橋殼、半軸、制動器總成(cheng)、差減速器總成(cheng) 帶動輪胎的運轉。
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(qi)車(che)前(qian)(qian)(qian)橋(qiao)(qiao)主要是(shi)(shi)通過離合器變速(su)箱將發動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力減(jian)速(su)并增加扭(niu)矩,再通過前(qian)(qian)(qian)橋(qiao)(qiao)總成(cheng)傳遞給動(dong)(dong)(dong)(dong)(dong)力的(de)(de)最終輸(shu)出輪(lun)。同(tong)時(shi)(shi),前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)還(huan)(huan)起(qi)(qi)到(dao)(dao)轉(zhuan)向(xiang)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)。此外(wai)(wai)(wai),前(qian)(qian)(qian)橋(qiao)(qiao)還(huan)(huan)起(qi)(qi)到(dao)(dao)承(cheng)載整車(che)重(zhong)量的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong),即車(che)身(shen)和(he)前(qian)(qian)(qian)懸(xuan)架通過連(lian)桿機構與前(qian)(qian)(qian)橋(qiao)(qiao)總成(cheng)連(lian)接,起(qi)(qi)到(dao)(dao)承(cheng)載的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)。如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)(shi)驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao),后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)(shi)驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。此時(shi)(shi)除了(le)承(cheng)載功能外(wai)(wai)(wai),還(huan)(huan)起(qi)(qi)到(dao)(dao)驅動(dong)(dong)(dong)(dong)(dong)、減(jian)速(su)、差速(su)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)。在(zai)四(si)輪(lun)驅動(dong)(dong)(dong)(dong)(dong)的(de)(de)情況(kuang)(kuang)下(xia),通常在(zai)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面有一個分動(dong)(dong)(dong)(dong)(dong)箱。后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)分為整體橋(qiao)(qiao)和(he)半(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁采用(yong)(yong)(yong)非獨立懸(xuan)掛(gua),如(ru)鋼板彈(dan)簧(huang)懸(xuan)掛(gua);半(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)采用(yong)(yong)(yong)獨立懸(xuan)架,如(ru)麥弗遜懸(xuan)架。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)和(he)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)之間有著本質的(de)(de)區別(bie),不僅(jin)僅(jin)是(shi)(shi)在(zai)外(wai)(wai)(wai)觀(guan)上。后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)指的(de)(de)是(shi)(shi)汽(qi)車(che)后(hou)(hou)部(bu)的(de)(de)車(che)軸(zhou)(zhou)(zhou)(zhou)(zhou)。如(ru)果(guo)車(che)輛由前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)驅動(dong)(dong)(dong)(dong)(dong),那(nei)(nei)么后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)只是(shi)(shi)一個從動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)(zhou)(zhou),只起(qi)(qi)軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)。相反,如(ru)果(guo)前(qian)(qian)(qian)橋(qiao)(qiao)不是(shi)(shi)驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao),那(nei)(nei)么后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)就是(shi)(shi)驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)(qian)(qian)軸(zhou)(zhou)(zhou)(zhou)(zhou)除了(le)承(cheng)載功能外(wai)(wai)(wai),還(huan)(huan)起(qi)(qi)到(dao)(dao)驅動(dong)(dong)(dong)(dong)(dong)、減(jian)速(su)和(he)差速(su)器的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)。在(zai)四(si)輪(lun)驅動(dong)(dong)(dong)(dong)(dong)的(de)(de)情況(kuang)(kuang)下(xia),通常在(zai)后(hou)(hou)輪(lun)軸(zhou)(zhou)(zhou)(zhou)(zhou)前(qian)(qian)(qian)面有一個分動(dong)(dong)(dong)(dong)(dong)箱。
中期改(gai)(gai)款是(shi)車(che)廠為了(le)緊跟潮流,縮小(xiao)與(yu)后來者的(de)(de)(de)差距而進行的(de)(de)(de)一些改(gai)(gai)動,因此常常會(hui)顯得有(you)些生硬,欠缺協調感(gan)。但是(shi)新款指(zhi)南(nan)者絕對是(shi)中期改(gai)(gai)款的(de)(de)(de)成功案例,這(zhe)款推出的(de)(de)(de)緊湊型SUV與(yu)三菱歐藍德共享平(ping)臺,前臉的(de)(de)(de)造型雖然擁有(you)吉(ji)普一貫的(de)(de)(de)粗獷,但缺乏動感(gan)、生氣和自信(xin)。吉(ji)普借中期改(gai)(gai)款之機(ji),為指(zhi)南(nan)者注入(ru)了(le)大量新一代大切諾基的(de)(de)(de)設(she)計元素,新車(che)頓時(shi)擁有(you)了(le)大氣和時(shi)尚。
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