吉利帝豪轿车驱动桥设计.docxVIP

吉利帝豪轿车驱动桥设计 摘 要 本次设计的内容为吉利新帝豪的驱动桥，由于本次设计的车型是发动机前置前轮驱动的方式，因此其前桥即是驱动桥又是转向桥，驱动桥是将发动机动力直接传递到车轮上的中间枢纽，其设计的水平可能直接影响到整车的水平，一款设计好的驱动桥可以使整车动力更强劲的同时燃油消耗率更低，作为整车工作情况最恶劣的部件之一，我们本次设计的主要内容就是提供一款设计合理的驱动桥。 本次设计我们已经掌握了一些主要基本参数，包括发动机最大功率，最大扭矩，轮距以及轴距等，我们先对驱动桥的形式进行了选取，选择了断开式驱动桥，并对其他部件进行了设计校核，包括主减速器的设计，主减速器齿轮的设计，主减速器轴承的选择和校核；并选择了圆锥式的差速器，并对半轴的直径和材料以及加工工艺进行了选取；接下来分析万向节的设计；经过充分的设计和校核工作，我们利用cad进行驱动桥二维零件图和装配图的绘制。 关键词：吉利新帝豪、转向驱动桥、断开式驱动桥、圆锥式差速器、驱动桥万向节 Drive axle design of the new geely emgrand Abstract The content of the design for the new geely emgrand drive axle, because the engine is on the design of front wheel drive way, so the drive axle and steering axle, front axle is drive axle is the engine power passed directly to the middle of the wheel hub, its design level may directly affect the level of the vehicle, a good drive axle design can make the vehicle more powerful lower specific fuel consumption at the same time, as the vehicle work is one of the worst parts, we are the main content of this design is to provide a reasonable design of drive axle. This design we have mastered some basic parameters, including engine maximum power, maximum torque and wheel track and wheelbase, we first to choose the form of drive axle, choose break open drive axle, and other components for the design, including the design of the main reducer, gear reducer gear design, the choice of main reducer bearing and checking; The taper differential was selected, and the diameter, material and processing technology of the half shaft were selected. Then the design of universal joint is analyzed. After full design and check work, we use cad to draw the drive axle two dimensional part drawing and assembly drawing. Key words: geely new emgrand, steering drive axle, break-off drive axle, conical differential, universal joint of drive axle 目录 TOC \o 1-3 \h \u 摘 要 3 Abstract 4 1 绪论 1 1.1 研究背景及意义 1 1.2 国内外研究现况 1 1.3 技术参数 2 2 总体结构方案拟定 3 3 主减速器的设计 4 3.1 主减速器的结构形式 4 3.1.1 主减速器的齿轮类型 4 3.1.2 主减速