EQ1135F19D東風重型汽車9噸級驅動橋橋殼設計【優(yōu)秀課程畢業(yè)設計帶任務書+開題報告+中期報告+答辯ppt+外文翻譯】

EQ1135F19D東風重型汽車9噸級驅動橋橋殼設計

九噸級驅動橋橋殼設計研究

摘要：汽車的驅動橋處于傳動系的尾端，是汽車的特別重要的一個部件，它的基本功用是增大由傳動軸或直接由變速器傳來的轉矩，將轉矩分配給左、右驅動車輪，并使兩個車輪具備汽車行駛運動學所要求的差速功效。而本文則重點介紹9噸級加強型驅動橋設計的全過程。這對于我們以后從事設計工作是非常有用的。

關鍵詞：主減速器；橋殼；差速器；后橋

Study on Design of nine ton drive axle housing

  Abstract：Bridge car drivers drive at the end of，It is a very important car parts and increasing the skills used by the drive shaft or transmission came directly from the torque，Torque will be allocated to the left 、Right drive wheels And the wheels of vehicles travelling around kinematics requested by the differential function; At the same time, drivers also have to face the role of bridge and the road between the frame or body of the lead hammer, vertical and horizontal force and torque force. In the general structure of the vehicle, including the driver reducer Bridge (also known as the main transmission), differential, transmission and drive wheels and axle housings and other components. For all the different types and purposes of the car, the right to determine the structure of the engine and successfully integrate them into an overall portfolio - Driver Bridge, is the designer must first solve the problems. This paper will focus on strengthening drive 9-ton bridge design as a whole. This is very useful for us in the design work

  Key words：rear axle；final drive；axle housing ；differential

目 錄

1緒論 1

2 驅動橋的結構組成、功能、工作特點及設計要求 2

3 主減速器 3

3.1 主減速器的功能和結構形式 3

3.1.1 主減速器的齒輪類型 3

3.1.2 主減速器的減速形式 3

3.2主減速器齒輪的主要參數(shù)和強度計算 3

3.2.1 減速器齒輪載荷的確定 3

3.2.2 主減速器準雙曲面齒輪參數(shù) 4

3.2.3 主減速器齒輪的強度設計計算 5

3.2.4 主減速器錐齒輪軸承的載荷計算 7

4 差速器 13

4.1差速器齒輪參數(shù)的選擇和計算 11

4.1.1 差速器的作用及型式的選擇 11

4.1.2 行星齒輪球面半徑的確定 12

4.1.3 行星齒輪和半軸齒輪齒數(shù)、 12

4.1.4 差速器圓錐齒輪模數(shù)及半軸齒輪節(jié)圓直徑的初步確定 13

4.1.5 壓力角和軸交角 13

4.1.6 半軸齒輪齒面寬 13

4.1.7 齒側間隙的選擇 14

4.2 差速器齒輪強度的計算 14

4.2.1 計算部位 14

4.2.2 負荷條件 14

4.2.3 差速齒輪的強度計算 15

5 驅動橋殼 16

5.1本次設計的驅動橋殼的有關參數(shù) 16

5.2驅動橋殼的結構選擇 17

5.3橋殼的受力分析及強度計算 18

5.3.1 危險斷面距車輪中心的距 18

5.3.2 危險斷面系數(shù)的計算 19

5.3.3 三種工況下橋殼載荷的計算 21

6 驅動橋螺旋錐齒輪的優(yōu)化設計 27

6.1建立優(yōu)化數(shù)學模型 27

6.1.1 目標函數(shù) 27

6.1.2 約束條件 28

6.1.3 數(shù)學模型 28

6.1.4 應用MATLAB進行計算 29

7  總結與展望 30

致謝 31

參考文獻： 32

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