(毕业设计)奔腾B50轿车悬架系统设计毕业论文-正文
48页1、 本科生毕业设计(论文)摘要如今汽车技术的发展越来越快,人们对汽车舒适性的要求也越来越高,而汽车的这一方面性能需要靠悬架系统予以保证。根据当前轿车悬架的发展情况,本设计的轿车前后悬架均采用独立悬架的形式。并且前悬采用比较流行的双横臂悬架。根据确定的结构选取悬架的自振频率,从而可以计算出悬架的刚度、静挠度和动挠度。采用以上数据计算弹性元件尺寸并且进行应力校核。在设计减振器时,根据阻尼系数和最大卸荷力来计算选取减振器的主要尺寸。然后再依次确定导向机构和横向稳定杆。在所有结构尺寸确定后采用CAXA软件绘制前后悬架的装配图和零件图。在对样车悬架进行平顺性分析中,建立了两自由度的平顺性分析模型,分别绘制车身加速度幅频特性曲线、弹簧动挠度幅频特性曲线分析了悬架参数对汽车平顺性的影响。本文所做工作可为奔腾B50轿车的悬架系统设计提供理论依据,具有一定的实际应用意义。关键词:汽车;悬架;减震器;平顺性分析;AbstractNow the development of automobile technology more and more rapidly, people on car comfort r
2、equirements are also increasing, and this aspect of performance cars on the need to ensure that suspension system. Based on the current developments in the car suspension, the design of the car before and after the suspension are used in the form of independent suspension. Before the hanging and are used more popular double withbone arm type suspension. According to determine the structure of the selected suspension natural frequency, which can calculate the stiffness of the suspension, static a
3、nd dynamic deflection deflection. More flexible use of data of components and size of a stress check. In the design of shock absorber, in accordance with the largest damping and unloading of the terms of the main shock absorber selected size. Then bodies were identified and horizontal orientation Wending Gan. In all structure size is determined by CAXA mapping software before and after the suspension of the assembly and parts plans.In the car-like suspension of a ride, a two degree of freedom of
4、 the ride analysis model, were drawn body acceleration of the rate of frequency, the relative frequency of dynamic curve, moving spring deflection increase the frequent cy of a hanging curve analysis - Parameters on the car ride impact. In this paper, for the work done by Ben Teng B 50 cars suspension system design provide a theoretical basis, the practical application of a certain significance. Key words: Car; Suspension;shock absorber ; Ride analysis44目录第一章 绪 论1第二章 前、后悬架结构的选择22.1 独立悬架结构特点22.2
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