邁騰1.8T轎車轉(zhuǎn)向驅(qū)動(dòng)橋設(shè)計(jì)說(shuō)明書[帶圖紙].doc

（學(xué)士學(xué)位論文）邁騰1.8T轎車轉(zhuǎn)向驅(qū)動(dòng)橋設(shè)計(jì)培養(yǎng)單位：汽車學(xué)院學(xué)科專業(yè)：車輛工程學(xué)生姓名：李志剛指導(dǎo)老師：余晨光畢業(yè)設(shè)計(jì)參數(shù)：車型：邁騰1.8T中級(jí)轎車驅(qū)動(dòng)形式：前驅(qū)；最高車速(km/h)：211；主要尺寸與質(zhì)量：長(zhǎng)/寬/高(mm)：476518201472；軸距(mm)：2709；輪距(前后)(mm)：1552/1551；整備質(zhì)量(kg)：1540；發(fā)動(dòng)機(jī)參數(shù)：發(fā)動(dòng)機(jī)型式：1798mL，直列4缸4氣門/渦輪增壓/汽油缸內(nèi)直噴；最大功率(kW)：118.0/6200；最大扭矩(Nm)：250/1500-4200；0-100km/h加速時(shí)間(s)：10.6；底盤參數(shù)：變速器型式：5速手動(dòng)；懸架(前/后)：麥弗遜式獨(dú)立懸架/四連桿獨(dú)立懸架；制動(dòng)裝置型式(前/后)：通風(fēng)盤式/盤式；輪胎類型與規(guī)格(km/h)：215/55R16。目錄摘要.1Abstract.21緒論.32驅(qū)動(dòng)橋結(jié)構(gòu)方案的選定.33主減速器設(shè)計(jì).43.1主減速器的結(jié)構(gòu)形式.43.2主減速器的類型.43.3主減速器主、從動(dòng)圓柱齒輪的支承形式.53.4主減速器的基本參數(shù)選擇與計(jì)算.64.差速器的設(shè)計(jì).154.1差速器結(jié)構(gòu)形式選擇.154.2普通錐齒輪式差速器齒輪設(shè)計(jì).155驅(qū)動(dòng)車輪的傳動(dòng)裝置設(shè)計(jì).215.1半軸的型式.215.2半軸的設(shè)計(jì)計(jì)算.215.3半軸的強(qiáng)度較核.225.4半軸的結(jié)構(gòu)設(shè)計(jì)及材料與熱處理.246萬(wàn)向節(jié)設(shè)計(jì).256.1萬(wàn)向節(jié)結(jié)構(gòu)選擇.256.2萬(wàn)向節(jié)的材料及熱處理.267驅(qū)動(dòng)橋殼設(shè)計(jì).268轉(zhuǎn)向節(jié)設(shè)計(jì).279結(jié)論與展望.28參考文獻(xiàn).29附錄.30致謝.34武漢理工大學(xué)畢業(yè)論文（設(shè)計(jì)）1摘要驅(qū)動(dòng)橋的基本功用是將傳動(dòng)軸或變速器傳來(lái)的轉(zhuǎn)矩增大并適當(dāng)降低轉(zhuǎn)速后分配給左、右驅(qū)動(dòng)車輪，其次驅(qū)動(dòng)橋還要承受路面和車架或車身之間的垂直力、縱向力和橫向力，以及制動(dòng)力和反作用力矩等。轉(zhuǎn)向驅(qū)動(dòng)橋在驅(qū)動(dòng)橋的基礎(chǔ)上增添了轉(zhuǎn)向的功能，使汽車按照駕駛員的要求行駛。轉(zhuǎn)向驅(qū)動(dòng)橋組成包括主減速器、差速器、半軸、萬(wàn)向節(jié)、驅(qū)動(dòng)橋橋殼等。驅(qū)動(dòng)橋是汽車傳動(dòng)系中主要總成之一。驅(qū)動(dòng)橋的設(shè)計(jì)是否合理直接關(guān)系到汽車使用性能的好壞，驅(qū)動(dòng)橋是汽車中的重要部件，它承受著來(lái)自路面和懸架之間的一切力和力矩，是汽車中工作條件最惡劣的總成之一，如果設(shè)計(jì)不當(dāng)會(huì)造成嚴(yán)重的后果。本文以驅(qū)動(dòng)橋的傳統(tǒng)設(shè)計(jì)方法為基礎(chǔ)，詳細(xì)研究了邁騰1.8T轎車的轉(zhuǎn)向驅(qū)動(dòng)橋的設(shè)計(jì)方法，提出了比較可行的設(shè)計(jì)思路。根據(jù)這一思路設(shè)計(jì)計(jì)算出數(shù)據(jù)并畫出轉(zhuǎn)向驅(qū)動(dòng)橋的各零件圖。同時(shí)我也查找了現(xiàn)有的邁騰1.8T轎車的驅(qū)動(dòng)橋的結(jié)構(gòu)原理，從樣車對(duì)驅(qū)動(dòng)橋的整體構(gòu)造加深了解，結(jié)合最新有關(guān)驅(qū)動(dòng)橋的信息和汽車設(shè)計(jì)書本上的知識(shí)來(lái)設(shè)計(jì)計(jì)算、繪制草圖，然后運(yùn)用AUTOCAD軟件繪制總裝配圖，從而提了設(shè)計(jì)工作效率。關(guān)鍵詞：汽車驅(qū)動(dòng)橋主減速器差速器半軸武漢理工大學(xué)畢業(yè)論文（設(shè)計(jì)）2AbstractThebasicfunctionoftheDriveAxleisincreasingtorquewhichisfromdriveshaftortransmissionandreducingthespeed,thendriveittotheleftandrightdrivingwheel；secondlydriveaxlestillwithstandtheverticalforce,longitudinalforceandtransverseforcebetweentheroadandbridgeorthebodyframe,andbrakingforce,reactiontorque,etc.SteeringDriveAxleaddsthefunctionofshiftunderthebasicoftheDriveAxle,sothatthecarcanrunaccordingtothedriver.SteeringDriveAxleincludethemaindrivecomponent,Differential,halfaxel,universal,DriveAxleHousing,etc.DrivingAxleisoneofthemainassembleoftheautomotivepowertrain.WhetherthedesignoftheDrivingAxleisreasonableornot,affecttheuseofthecars.DrivingAxleistheimportantpartofthecars,itwithstandstheallforceandtorquebetweentheroadandthesuspensionanditsworkingconditionistheworstincars.Ifthedesignisnotrightitwillcauseseriousconsequences.OnthebaseoftheDrivingAxletraditionaldesignmethods,studytheSteeringDriveAxledesignmethodsoftheMagotan1.8Tcarefullyandgivethepracticaldesignmethodsinthispaper.AccordingtothisideaandthedesigndataIdrawoutthepartsdiagramoftheSteeringDriveAxle.AtthesametimeIalsofindtheexistingMagotan1.8TsedanDrivingAxlestructureprinciple,andbetterunderstandtheoverallstructurefromthesamplecar.CombinedwiththelatestinformationoftheDrivingAxleandthebookofVehicleDesigntodesignandcalculation,drawsketches,andthemdrawthegeneralasse