低磨耗高速客车转向架动力学性能

基金项目: 教育部高等学校骨干教师资助计划项目

Dynamics performance of low wear bogie for high speed passenger car

摘要: 为了解决高速客车轮轨磨耗严重的问题, 根据自导向径向转向架的基本原理, 在现有的几种自导向转向架结构的基础上, 提出了低磨耗高速客车转向架的基本方案, 建立了计算机动力学仿真模型, 利用Simpack仿真软件对其动力学性能进行分析和计算, 并与常规转向架进行了比较。理论分析和计算结果表明, 采用径向转向架可有效改善高速客车的曲线通过性能和轮轨磨耗状况
- 高速 /
- 低磨耗 /
- 动力学 /
- 转向架 /
- 径向
Abstract: According to the fundamental principle of self steering bogie, the paper puts forward the basic scheme of low wear bogie for high speed passenger car on the basis of the existing several self steering bogies in order to solve the problem of wheel and rail wear of high speed passenger car.The dynamics model is established, the dynamics performance is analyzed and calculated by using Simpack simulation program and compared to that of ordinary bogie.The principle analysis and calculation results show that self steering bogie may improve negotiation performance and wheel and rail wear of high speed passenger car effectively.
- high speed /
- low wear /
- dynamics /
- bogie /
- radial

图 1 自导向径向转向架的几种典型结构

Figure 1. Several classical structures of self-steering bogies

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图 2 转向架结构

Figure 2. The structure of bogie

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图 3 自导向径向转向架运动关系

Figure 3. The kinematics of self-steering bogie

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图 4 自导向径向转向架力学关系

Figure 4. The affecting forces of self-steering bogie

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图 5 动力学计算模型

Figure 5. Calculating model of dynamics

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图 6 径向杆刚度对临界速度的影响

Figure 6. The affecting of stiffness of radial rod on critical speed

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图 7 整车磨耗功率的比较

Figure 7. The comparing of vehicle friction

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图 8 曲线半径对曲线通过性能的影响

Figure 8. The affecting of curve radius on curve negotiating

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表 1 转向架主要技术参数

Table 1. Tab.1 The main technology parameters of bogie

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表 2 车辆临界速度

Table 2. The critical speed of vehicle /km·h^-1

新轮轨	磨耗后轮轨(λ=0.3)
334	238

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