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越野车分动器结构设计(含CAD零件图装配图)(英文版)

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越野车分动器结构设计(含CAD零件图装配图)(英文版)(任务书,开题报告,文献摘要,外文翻译,论文说明书英文版8000字,CAD图纸5张)
Abstract
    Off-road vehicles often need to run in bad roads even without roads which is especially worse for military vehicles. This requires an increase in the number of driving wheels, thusoff-road vehicles usuallyusemulti-axis drive.
    The function of the transfer case is to distribute the power output to the drive axle and further increase the torque. The transfer case is also a gear transmission system which is fixed on the frame separately. The input shaft is connected with the output shaft of the transfer case by universal transmission device while the output shaft of the transfer case has a number of axes, which are respectively connected with each drive axle by the universal transmission device.

    This paper mainly discusses the design process, selection of structural scheme, main parameters, gear design, shaft design,calculation and checking, design of other structural components through the research and design of a specific type of off-road vehicle transfer case. [来源:http://www.doc163.com]
    Keywords:transfer case; triaxial type; gear; shaft; gear drive; check

Design initial data
    Maximum speed: 80Km/h
    Rated power of transfer case: 40KW
    Torque: 353 N.m
    Preparation quality: 5320Kg
    Maximum input speed: 3000r / min
    Minimum input speed: 600r / min
 

[资料来源:https://www.doc163.com]

越野车分动器结构设计(含CAD零件图装配图)
越野车分动器结构设计(含CAD零件图装配图)
越野车分动器结构设计(含CAD零件图装配图)


Abstract    1
Chapter 1 Theory    1
1.1Overview    1
1.1.1 Design requirements for transfer case    1
1.1.2 Type of transfer case    1
1.1.3 Development of transfer case    3 [来源:http://Doc163.com]
1.1.4 Working principle and function of the transfer case    5
1.2 Purpose and significance of the study    5
1.3 Research methods    6
Chapter 2 Selection and calculation of the main parameters and structure of the transfer case    7
2.1 Design initial data    7
2.2 Determination of the high and low transmission ratio of the transfer case    7
2.3 Determination of shunt drive scheme    8
2.4 Shift structure form    9
2.5 Structure of shafts and gears    10
2.5.1 Shaft structure    10
2.5.2 Arrangement of gears    11
2.6 Determination of central distance A    12
2.7 Gear parameters    13
2.7.1 Module    13
2.7.2 Pressure angle      13
2.7.3 Spiral angle      13 [资料来源:https://www.doc163.com]
2.7.4 Tooth width      14
2.7.5 Coefficient of tooth top height    14
2.8 Summary of this chapter    14
Chapter 3 Design calculation and checking of Gear    15
3.1 Design and calculation of Gear    15
3.1.1 Distribution of the number of teeth of each gear    15
3.1.2 Calculation of parameters for each gear    17
3.1.2 Selection principle of gear materials    19
3.1.3 Calculation of torque for each shaft    20
3.2 Checking of gear teeth    20
3.2.1 checking of contact strength of wheel teeth    20
3.2.2 Check of tooth root bending strength    21
3.3 Summary of this chapter    22
Chapter 4 Design and calculation of shafts and selection and checking of bearings    23
4.1Design calculation of Shaft    23

[来源:http://www.doc163.com]

4.1.1 primary Shaft size    23
4.1.2 Form and size of spline    23
4.1.3 Shaft structure    24
4.2 Check of Shaft    26
4.3 Summary of this chapter    29
Chapter 5 process Analysis    30
5.1 The selection of the structural parts of the splitter    30
5.1.1Meshing sleeve calculation    30
5.1.2 Splitter shell    30
5.2 Process analysis    30
5.2.1 Shell processing technology    30
5.2.2 Gear processing technology    31
5.2.3 Processing Technology of Shaft    31
5.2.4 Assembly assembly    32
5.3 Summary of this chapter    32
Reference    33
Thanks    34
 
[资料来源:www.doc163.com]

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