车辆工程专业毕业论文--30t轴重货车转向架摇枕的结构及设计

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1、 - I - 摘要摘要 随着我国铁路运输向高速和重载方向发展， 转向架摇枕的运用条件日趋苛刻。 因此， 研究重载运输条件下的摇枕结构及其性能变得尤为重要。本文通过国内外重载运输的发 展现状的了解,分析了国内外现有重载货车转向架的结构特点和性能。 首先对我国 30t 轴 重转向架进行了结构选型，初步确定了适应我国国情的 30t 轴重货车转向架的基本结构 型式。重点对该转向架的摇枕的结构进行自主设计与分析。 运用 SolidWorks 建立 30t 轴重货车转向架摇枕的三维模型，并且详细介绍了该转向 架摇枕的结构特点及设计步骤，其中包括了外壁和内部筋板厚度、排水口、漏沙孔等工 艺孔、摇枕斜楔、15

2、 旁承台座、16 弹簧承台、心盘部位、摇枕吊耳。然后对该摇枕进 行了有限元应力分析，然后根据分析结果确定摇枕的薄弱地方并进行改进，最终设计得 到满足强度要求，并有足够抗疲劳性能的转向架摇枕。 关键词：重载货车；转向架；摇枕；设计；有限元分析关键词：重载货车；转向架；摇枕；设计；有限元分析 - II - Abstract With the development of railway transportation in China to high speed and heavy, truck bolster conditions using the increasingly harsh.Ther

3、efore, studying under heavy haul bolster structure and performance has become particularly important. The current development status at home and abroad through the heavy haul transportation understanding, analysis of the structure characteristics and performance of the existing heavy truck frame at

4、home and abroad to .The first of Chinas 30t axle load bogie structure selection, initially identified the basic structure frame of the axle load 30t China steering. The focus of the steering structure bolster frame of independent design and analysis. Use SolidWorks to set up 30t axle load truck stee

5、ring frame bolster 3D model, and introduces the structure characteristics and design steps of steering frame bolster, including the outer and inner rib plate thickness, drains, drain sand hole technology of hole, bolster wedge, a side bearing pedestal, spring seat, center plate position, swing hange

6、r lug. Then the bolster the finite element stress analysis, then bolster weak place and determined according to the analysis results, the final design can meet the strength requirements, and has enough fatigue performance of the bogie bolster. Key words: heavy-duty freight car; Bogie;Bogie Bolster; Design;The finite element analysis - III - 目录目录 1 绪论 - 1 1.1 选题背景 -