前橋總成(cheng)安裝在車(che)身(shen)的(de)后半(ban)部分 用于(yu)撐(cheng)起車(che)身(shen) 包括 前橋殼(ke)、半(ban)軸、制動(dong)器(qi)總成(cheng)、差減(jian)速(su)器(qi)總成(cheng) 帶動(dong)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)前(qian)橋(qiao)(qiao)主要是通過離合器變速箱將(jiang)發動(dong)(dong)(dong)(dong)(dong)機動(dong)(dong)(dong)(dong)(dong)力減速并增加扭(niu)矩,再通過前(qian)橋(qiao)(qiao)總成傳遞給動(dong)(dong)(dong)(dong)(dong)力的(de)最(zui)終輸出輪(lun)(lun)(lun)。同時,前(qian)軸(zhou)(zhou)(zhou)還(huan)起(qi)(qi)到(dao)轉向的(de)作(zuo)用(yong)(yong)(yong)。此外(wai)(wai)(wai),前(qian)橋(qiao)(qiao)還(huan)起(qi)(qi)到(dao)承(cheng)(cheng)載(zai)(zai)整車(che)重量的(de)作(zuo)用(yong)(yong)(yong),即車(che)身(shen)和(he)前(qian)懸(xuan)架通過連桿機構與前(qian)橋(qiao)(qiao)總成連接(jie),起(qi)(qi)到(dao)承(cheng)(cheng)載(zai)(zai)的(de)作(zuo)用(yong)(yong)(yong)。如(ru)(ru)果前(qian)橋(qiao)(qiao)不是驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao),后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)就是驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。此時除了承(cheng)(cheng)載(zai)(zai)功(gong)能外(wai)(wai)(wai),還(huan)起(qi)(qi)到(dao)驅動(dong)(dong)(dong)(dong)(dong)、減速、差速的(de)作(zuo)用(yong)(yong)(yong)。在(zai)(zai)四輪(lun)(lun)(lun)驅動(dong)(dong)(dong)(dong)(dong)的(de)情況(kuang)下,通常在(zai)(zai)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)面有一(yi)個分動(dong)(dong)(dong)(dong)(dong)箱。后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)分為整體橋(qiao)(qiao)和(he)半軸(zhou)(zhou)(zhou)。橋(qiao)(qiao)梁(liang)采用(yong)(yong)(yong)非(fei)獨立懸(xuan)掛,如(ru)(ru)鋼板彈簧懸(xuan)掛;半軸(zhou)(zhou)(zhou)采用(yong)(yong)(yong)獨立懸(xuan)架,如(ru)(ru)麥弗遜(xun)懸(xuan)架。前(qian)軸(zhou)(zhou)(zhou)和(he)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)之(zhi)間有著本質的(de)區別,不僅(jin)僅(jin)是在(zai)(zai)外(wai)(wai)(wai)觀上(shang)。后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)指(zhi)的(de)是汽車(che)后(hou)(hou)部的(de)車(che)軸(zhou)(zhou)(zhou)。如(ru)(ru)果車(che)輛由前(qian)軸(zhou)(zhou)(zhou)驅動(dong)(dong)(dong)(dong)(dong),那么后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)只是一(yi)個從動(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou),只起(qi)(qi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)作(zuo)用(yong)(yong)(yong)。相反,如(ru)(ru)果前(qian)橋(qiao)(qiao)不是驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao),那么后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)就是驅動(dong)(dong)(dong)(dong)(dong)橋(qiao)(qiao)。前(qian)軸(zhou)(zhou)(zhou)除了承(cheng)(cheng)載(zai)(zai)功(gong)能外(wai)(wai)(wai),還(huan)起(qi)(qi)到(dao)驅動(dong)(dong)(dong)(dong)(dong)、減速和(he)差速器的(de)作(zuo)用(yong)(yong)(yong)。在(zai)(zai)四輪(lun)(lun)(lun)驅動(dong)(dong)(dong)(dong)(dong)的(de)情況(kuang)下,通常在(zai)(zai)后(hou)(hou)輪(lun)(lun)(lun)軸(zhou)(zhou)(zhou)前(qian)面有一(yi)個分動(dong)(dong)(dong)(dong)(dong)箱。
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