毕业设计(论文)-多轴式越野汽车用贯通式驱动桥设计.docx
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1、多轴式越野汽车用贯通式驱动桥设计摘要针对此次的毕设,其重点研究方向是多轴式越野车的驱动桥设计。则首先阐述国内外汽车制动技术的发展概况,分析目前应用的背景和趋势所向,继而依照所选车型的原始数据,来拟定驱动桥总体结构方案,它的主体部分由主减速器、差速器、半轴和桥壳等组装而成,紧接着确定各个模块的的传动系统组成,以及对应的作业原理;再者,完成主减速器的选型和性能参数的确定,下一步依次对差速器以及驱动半轴等进行结构设计与计算,并且结合机械原理和有关文献资料,进而从中引荐经验数据与公式,用以完成齿轮、轴和键等重要部件的尺寸验算,最后亟需进行强度校核,这样方可论证整个贯通式驱动机构的安全性和合理性。除此之
2、外,运用三维软件UG来完成驱动桥的三维模型,并结合AutoCAD绘制出装配图和若干零件图。关键词:多轴式越野车,驱动桥,主减速器,传动系统,结构设计Design of Through Drive Axle For Multi-axis off-road VehiclesAbstractAiming at the completion of this design, the key research direction is the design of drive axles formulti-axis off-road vehicles. Firstly, the development ov
3、erview of domestic and foreign automobile brakingtechnology is explained, and the current application background and trends are analyzed. Then, according tothe original data of the selected vehicle model, the overall structure of the drive axle is drawn up. The speedreducer, half shaft and axle hous
4、ing are assembled, and then the drive system composition of each module andthe corresponding operating principle are determined. Furthermore, the selection of the main reducer and thedetermination of performance parameters are completed* The structural design and calculation of differentialsand driv
5、e half shafts, combined with mechanical principles and relevant literature, and then introduceempirical data and formulas from them to complete the dimensional verification of important components suchas gears, shafts and keys Intensity check, so that the safety and rationality of the entire through
6、 drivemechanism can be demonstrated. In addition, three-dimensional software UG is used to complete thethree-dimensional model of the drive axle, and combined with AutoCAD to draw assembly drawings andseveral part drawings.Key Words: Multi-axle off-road vehicle, Drive axle, Final reducer, Transmissi
7、on system, Structural design第1章绪论11.1 研究背景与意义11.2 国内外发展现状11.3 研究内容21.4 给定越野车设计参数2第2章主减速器设计42.1 主减速器的结构形式42.2 主减速器的基本参数选择与设计计算43.1 差速器齿轮主要参数选择133.2 差速器齿轮的几何计算143.3 差速器齿轮的强度计算15第4章驱动半轴的设计174.1 全浮式半轴的计算和载荷的确定174.2 全浮式半轴的杆部直径初选184.3 全浮式半轴的强度计算184.4 半轴上花键强度计算18第5章驱动桥壳设计205.1 桥壳的结构型式205.2 桥壳的受力分析及强度计算20结论
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- 毕业设计 论文 多轴式 越野 汽车 贯通 驱动 设计
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