前(qian)橋(qiao)總成安裝(zhuang)在車身的(de)后半部(bu)分 用于撐起車身 包括 前(qian)橋(qiao)殼、半軸、制動(dong)(dong)器(qi)總成、差減速器(qi)總成 帶(dai)動(dong)(dong)輪胎(tai)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。
汽車前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)主要(yao)是(shi)(shi)(shi)通(tong)過(guo)(guo)離合器(qi)(qi)變速(su)(su)(su)箱將發動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力減速(su)(su)(su)并增(zeng)加扭矩,再通(tong)過(guo)(guo)前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)總成(cheng)傳(chuan)遞給動(dong)(dong)(dong)(dong)(dong)力的最終輸出輪(lun)(lun)(lun)。同時,前(qian)(qian)(qian)軸(zhou)(zhou)還(huan)起到(dao)轉向的作(zuo)用(yong)。此外(wai),前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)還(huan)起到(dao)承載整車重量的作(zuo)用(yong),即車身和前(qian)(qian)(qian)懸架(jia)(jia)通(tong)過(guo)(guo)連(lian)桿機構與前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)總成(cheng)連(lian)接,起到(dao)承載的作(zuo)用(yong)。如(ru)果前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)不是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao),后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao)。此時除(chu)了承載功能(neng)外(wai),還(huan)起到(dao)驅(qu)動(dong)(dong)(dong)(dong)(dong)、減速(su)(su)(su)、差速(su)(su)(su)的作(zuo)用(yong)。在(zai)(zai)四輪(lun)(lun)(lun)驅(qu)動(dong)(dong)(dong)(dong)(dong)的情(qing)況(kuang)下,通(tong)常在(zai)(zai)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)前(qian)(qian)(qian)面(mian)有(you)一(yi)個(ge)分(fen)動(dong)(dong)(dong)(dong)(dong)箱。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)分(fen)為整體橋(qiao)(qiao)(qiao)(qiao)(qiao)和半(ban)軸(zhou)(zhou)。橋(qiao)(qiao)(qiao)(qiao)(qiao)梁(liang)采用(yong)非獨(du)(du)立懸掛,如(ru)鋼板彈簧懸掛;半(ban)軸(zhou)(zhou)采用(yong)獨(du)(du)立懸架(jia)(jia),如(ru)麥弗遜(xun)懸架(jia)(jia)。前(qian)(qian)(qian)軸(zhou)(zhou)和后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)之(zhi)間有(you)著(zhu)本質(zhi)的區別,不僅僅是(shi)(shi)(shi)在(zai)(zai)外(wai)觀上。后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)指的是(shi)(shi)(shi)汽車后(hou)部(bu)的車軸(zhou)(zhou)。如(ru)果車輛(liang)由(you)前(qian)(qian)(qian)軸(zhou)(zhou)驅(qu)動(dong)(dong)(dong)(dong)(dong),那(nei)么后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)只(zhi)是(shi)(shi)(shi)一(yi)個(ge)從(cong)動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou),只(zhi)起軸(zhou)(zhou)承的作(zuo)用(yong)。相反,如(ru)果前(qian)(qian)(qian)橋(qiao)(qiao)(qiao)(qiao)(qiao)不是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao),那(nei)么后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)就是(shi)(shi)(shi)驅(qu)動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)(qiao)(qiao)(qiao)。前(qian)(qian)(qian)軸(zhou)(zhou)除(chu)了承載功能(neng)外(wai),還(huan)起到(dao)驅(qu)動(dong)(dong)(dong)(dong)(dong)、減速(su)(su)(su)和差速(su)(su)(su)器(qi)(qi)的作(zuo)用(yong)。在(zai)(zai)四輪(lun)(lun)(lun)驅(qu)動(dong)(dong)(dong)(dong)(dong)的情(qing)況(kuang)下,通(tong)常在(zai)(zai)后(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)前(qian)(qian)(qian)面(mian)有(you)一(yi)個(ge)分(fen)動(dong)(dong)(dong)(dong)(dong)箱。
國(guo)產華(hua)晨寶(bao)馬X1和進(jin)口版X1幾(ji)乎完全一(yi)(yi)(yi)致。對于(yu)寶(bao)馬而(er)言(yan)標志(zhi)性的(de)(de)(de)(de)細節它(ta)也沒有(you)缺失,前(qian)臉依舊是(shi)(shi)那個(ge)標準的(de)(de)(de)(de)雙(shuang)腎式進(jin)氣(qi)格柵(zha),再加上(shang)那個(ge)充滿精氣(qi)神的(de)(de)(de)(de)三角形(xing)大(da)(da)眼睛,讓整個(ge)前(qian)臉具(ju)有(you)著(zhu)一(yi)(yi)(yi)定的(de)(de)(de)(de)兇氣(qi)。國(guo)產后(hou)的(de)(de)(de)(de)X1 xDrive20i和28i在(zai)前(qian)臉上(shang)的(de)(de)(de)(de)主要(yao)區(qu)別是(shi)(shi),采用(yong)了(le)黑(hei)色(se)(se)格柵(zha)而(er)28i采用(yong)了(le)鍍(du)鉻格柵(zha),28i較20i在(zai)下格柵(zha)上(shang)多(duo)(duo)了(le)一(yi)(yi)(yi)條(tiao)(tiao)(tiao)橫置鍍(du)鉻條(tiao)(tiao)(tiao)。在(zai)車側華(hua)晨寶(bao)馬X1沒有(you)過多(duo)(duo)地(di)裝飾,一(yi)(yi)(yi)條(tiao)(tiao)(tiao)微(wei)微(wei)上(shang)翹(qiao)的(de)(de)(de)(de)腰線使(shi)得它(ta)的(de)(de)(de)(de)側面充滿了(le)力量感,而(er)雪花狀(zhuang)的(de)(de)(de)(de)五幅鋁合金(jin)輪轂又在(zai)這(zhe)種(zhong)力量感上(shang)添加了(le)些許的(de)(de)(de)(de)時(shi)尚元素,二(er)者很好(hao)地(di)融合到(dao)了(le)一(yi)(yi)(yi)起。在(zai)車尾(wei)(wei)的(de)(de)(de)(de)C柱上(shang),寶(bao)馬經典的(de)(de)(de)(de)拐角清晰可(ke)見。而(er)28i在(zai)側面較20i還多(duo)(duo)加裝了(le)一(yi)(yi)(yi)個(ge)銀色(se)(se)裙邊裝飾條(tiao)(tiao)(tiao)。而(er)在(zai)尾(wei)(wei)部(bu),X1繼續走(zou)SUV的(de)(de)(de)(de)粗(cu)獷路(lu)線,但是(shi)(shi)體現出這(zhe)種(zhong)粗(cu)獷的(de)(de)(de)(de)卻(que)是(shi)(shi)那幾(ji)根簡(jian)潔的(de)(de)(de)(de)線條(tiao)(tiao)(tiao),較大(da)(da)面積的(de)(de)(de)(de)后(hou)窗占據了(le)尾(wei)(wei)部(bu)的(de)(de)(de)(de)絕大(da)(da)部(bu)分。棱角分明的(de)(de)(de)(de)LED尾(wei)(wei)燈在(zai)造型上(shang)讓X1的(de)(de)(de)(de)車身線條(tiao)(tiao)(tiao)在(zai)這(zhe)里(li)有(you)所延續。20i和28i在(zai)尾(wei)(wei)部(bu)區(qu)別不大(da)(da),主要(yao)是(shi)(shi)在(zai)后(hou)包圍的(de)(de)(de)(de)銀色(se)(se)飾板方面,28i要(yao)更(geng)高大(da)(da)一(yi)(yi)(yi)些。
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