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武漢理工大學(xué)畢業(yè)論文（設(shè)計）
目錄
摘要 1
Abstract 2
1 緒論 3
2 驅(qū)動橋結(jié)構(gòu)方案的選定 3
3 主減速器設(shè)計 4
3.1 主減速器的結(jié)構(gòu)形式 4
3.2 主減速器的類型 4
3.3 主減速器主、從動圓柱齒輪的支承形式 5
3.4 主減速器的基本參數(shù)選擇與計算 6
4. 差速器的設(shè)計 15
4.1 差速器結(jié)構(gòu)形式選擇 15
4.2 普通錐齒輪式差速器齒輪設(shè)計 15
5 驅(qū)動車輪的傳動裝置設(shè)計 21
5.1 半軸的型式 21
5.2 半軸的設(shè)計計算 21
5.3 半軸的強(qiáng)度較核 22
5.4 半軸的結(jié)構(gòu)設(shè)計及材料與熱處理 24
6 萬向節(jié)設(shè)計 25
6.1 萬向節(jié)結(jié)構(gòu)選擇 25
6.2 萬向節(jié)的材料及熱處理 26
7 驅(qū)動橋殼設(shè)計 26
8 轉(zhuǎn)向節(jié)設(shè)計 27
9 結(jié)論與展望 28
參考文獻(xiàn) 29
附錄 30
致謝 34
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中型轎車轉(zhuǎn)向驅(qū)動橋總成設(shè)計
摘要
驅(qū)動橋的基本功用是將傳動軸或變速器傳來的轉(zhuǎn)矩增大并適當(dāng)降低轉(zhuǎn)速后分配給左、右驅(qū)動車輪，其次驅(qū)動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，以及制動力和反作用力矩等。轉(zhuǎn)向驅(qū)動橋在驅(qū)動橋的基礎(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)動橋組成包括主減速器、差速器、半軸、萬向節(jié)、驅(qū)動橋橋殼等。驅(qū)動橋是汽車傳動系中主要總成之一。驅(qū)動橋的設(shè)計是否合理直接關(guān)系到汽車使用性能的好壞，驅(qū)動橋是汽車中的重要部件，它承受著來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)計不當(dāng)會造成嚴(yán)重的后果。
本文以驅(qū)動橋的傳統(tǒng)設(shè)計方法為基礎(chǔ)，詳細(xì)研究了邁騰1.8T轎車的轉(zhuǎn)向驅(qū)動橋的設(shè)計方法，提出了比較可行的設(shè)計思路。根據(jù)這一思路設(shè)計計算出數(shù)據(jù)并畫出轉(zhuǎn)向驅(qū)動橋的各零件圖。同時我也查找了現(xiàn)有的邁騰1.8T轎車的驅(qū)動橋的結(jié)構(gòu)原理，從樣車對驅(qū)動橋的整體構(gòu)造加深了解，結(jié)合最新有關(guān)驅(qū)動橋的信息和汽車設(shè)計書本上的知識來設(shè)計計算、繪制草圖，然后運(yùn)用AUTOCAD軟件繪制總裝配圖，從而提了設(shè)計工作效率。
關(guān)鍵詞：汽車 驅(qū)動橋 主減速器 差速器 半軸
Abstract
The basic function of the Drive Axle is increasing torque which is from drive shaft or transmission and reducing the speed ,then drive it to the left and right driving wheel; secondly drive axle still withstand the vertical force ,longitudinal force and transverse force between the road and bridge or the body frame ,and braking force , reaction torque ,etc. Steering Drive Axle adds the function of shift under the basic of the Drive Axle, so that the car can run according to the driver. Steering Drive Axle include the main drive component, Differential, half axel, universal, Drive Axle Housing, etc. Driving Axle is one of the main assemble of the automotive power train. Whether the design of the Driving Axle is reasonable or not, affect the use of the cars. Driving Axle is the important part of the cars, it withstands the all force and torque between the road and the suspension and its working condition is the worst in cars. If the design is not right it will cause serious consequences.
On the base of the Driving Axle traditional design methods, study the Steering Drive Axle design methods of the Magotan 1.8T carefully and give the practical design methods in this paper. According to this idea and the design data I draw out the parts diagram of the Steering Drive Axle. At the same time I also find the existing Magotan 1.8T sedan Driving Axle structure principle, and better understand the overall structure from the sample car. Combined with the latest information of the Driving Axle and the book of Vehicle Design to design and calculation, draw sketches, and them draw the general assembly drawing with auto CAD software, which raised the rate of the design.
Keywords: Automotive Driving Axle The Main Drive Component Differential Half Axel
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