三大件转向架货车动力学建模与仿真

王勇; 曾京; 吕可维

三大件转向架货车动力学建模与仿真

西南交通大学牵引动力国家重点实验室, 四川成都 610031

详细信息

作者简介:
王勇(1972-), 男, 辽宁丹东人, 博士研究生, 从事机车车辆研究

中图分类号: U270.11
计量
- 文章访问数: 295
- HTML全文浏览量: 89
- PDF下载量: 234
- 被引次数: 0
出版历程
- 收稿日期: 2003-01-05
- 刊出日期: 2003-04-25

Dynamic modeling and simulation of three-piece bogie freieht car

National Traction Power Lahoratory, Southwest Jiaotong University, Chengdu 610031, China

More Information

Author Bio:
WANG Yong(1972-), male, doctoral student, 86-28-87600778, wypj02@sina.com

摘要

摘要: 介绍了ADAMS及ADAMS/Rail动力学仿真软件的模块组成及功能, 建立了三大件转向架货车的非线性数学模型, 其中转向架中央悬挂装置中斜楔摩擦块的建模直接采用更接近实际的接触模型。应用ADAMS/Rail软件对货车系统的运动稳定性、曲线通过性及运行平稳性等动力学性能进行了分析, 发现通过一定的技术改造, 三大件转向架货车具有良好的动力学性能。结果表明该软件能够建立较复杂的车辆系统仿真模型, 分析结果较合理。
- 机车工程 /
- 货车 /
- 三大件转向架 /
- 动力学仿真 /
- ADAMS/Rail软件
Abstract: The modules and functions of ADAMS and ADAMS/Rail dynamic simulation software were introduced. A nonlinear mathematical model for the three-piece bogie freight car was established, in which a kind of contact model was adopted directly to build the model of the friction wedge inherent in the second suspension of the bogie. The vehicle system dynamic behaviors including hunting stability, dynamic curving behavior and ride index were analyzed by using ADAMS/Rail software. It is pointed that the modified three-piece bogie freight car can obtain more satisfied dynamic behavior by adopting several new technologies. The results indicate that more detailed and complicated vehicle models can be built using ADAMS/Rail, the simulation results are reasonable.
- locomotive engineering /
- freight car /
- three-piece bogie /
- dynamic simulation /
- ADAMS/Rail software

HTML全文

图 1 楔块式摩擦减振器

Figure 1. Schematic diagram of wedge dampers

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图 2 减振器楔块受力

Figure 2. Friction wedge element forces in loading and unloading conditions

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图 3 斜楔体模型

Figure 3. Free-body model of friction wedge

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图 4 敞车模型

Figure 4. Freight car model

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图 5 曲线通过性计算结果

Figure 5. Results of curving performance

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表 1 车辆系统的动态曲线通过性能指标

Table 1. Results of dynamic curving performance

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表 2 车体横向和垂向振动响应结果

Table 2. Results of lateral and vertical response of car-body

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参考文献(9)

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