Elastic deformation analysis of the levitation bogie and the electromagnet of high-speed maglev vehicle running over the plane curve

HE Feng; FENG Yang; TONG Laisheng; SHU Yao; ZHAO Chunfa

doi:10.13890/j.issn.1000-128X.2022.04.103

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Elastic deformation analysis of the levitation bogie and the electromagnet of high-speed maglev vehicle running over the plane curve

Advanced Transport Equipment | 更新时间：2024-08-02

- Elastic deformation analysis of the levitation bogie and the electromagnet of high-speed maglev vehicle running over the plane curve
- Electric drive for locomotives Issue 4, Pages: 1-8(2022)
- 作者机构：
  
  1.西南交通大学牵引动力国家重点实验室，四川　成都 610031
  2.中车株洲电力机车有限公司，湖南　株洲 412001
  3.大功率交流传动电力机车系统集成国家重点实验室，湖南;株洲 412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.04.103
  CLC： U237;U266.4
- Published：10 July 2022，
  
  Received：21 January 2022，
  
  Revised：31 March 2022，
- 稿件说明：
扫描看全文
HE Feng, FENG Yang, TONG Laisheng, et al. Elastic deformation analysis of the levitation bogie and the electromagnet of high-speed maglev vehicle running over the plane curve. [J]. Electric drive for locomotives (4):1-8(2022)
DOI：

HE Feng, FENG Yang, TONG Laisheng, et al. Elastic deformation analysis of the levitation bogie and the electromagnet of high-speed maglev vehicle running over the plane curve. [J]. Electric drive for locomotives (4):1-8(2022) DOI： 10.13890/j.issn.1000-128X.2022.04.103.

摘要

为掌握高速磁浮车辆悬浮电磁铁和悬浮架的弹性变形特性，建立考虑悬浮电磁铁和悬浮架柔性的高速磁浮车辆刚柔耦合动力学模型，仿真分析了5种悬浮电磁铁抗弯刚度和3种平面曲线（曲线半径分别为650 m，1 000 m，4 000 m）条件下悬浮电磁铁和悬浮架的弹性变形。结果表明，悬浮电磁铁在半径1 000 m曲线上变形最大，当其抗弯刚度由现有设计值减小50%后，一位悬浮电磁铁的动态整体变形幅值由0.49 mm增大到0.82 mm，该值相对于10 mm的额定悬浮间隙而言较大，二位悬浮电磁铁的动态整体变形幅值由0.11 mm增至0.23 mm；增大悬浮电磁铁的抗弯刚度，其动态变形近似线性减小；在缓和曲线上悬浮架跟随轨道扭转而扭转，在缓和曲线中点处扭转角最大，头车一位悬浮架的扭转角总是小于二位悬浮架。整体而言，悬浮电磁铁的抗弯刚度对悬浮架扭转变形影响较小，对一位悬浮架托臂的弹性变形有一定影响，而对二位悬浮架托臂影响甚小。

Abstract

In order to grasp the elastic deformation characteristics of levitation electromagnet and levitation bogie of high-speed maglev vehicle

a rigid-flexible coupling dynamic model of high-speed maglev vehicle considering the flexibility of levitation electromagnet and levitation bogie was established. The elastic deformation of levitation electromagnet and levitation bogie under the five kinds of levitation electromagnet bending stiffness and three kinds of plane curves ( radius is 650 m

1 000 m and 4 000 m ) was simulated and analyzed. The results show that the deformation of the levitation electromagnet is the largest on the curve of radius at 1 000 m. When the bending stiffness of the levitation electromagnet decreases by 50% from the existing design value

the dynamic overall deformation amplitude of the first levitation electromagnet increases from 0.49 mm to 0.82 mm

which is larger than the rated suspension clearance of 10 mm

and the overall deformation amplitude of the second levitation electromagnet increases from 0.11 mm to 0.23 mm. With the increase of the bending stiffness of the levitation electromagnet

the dynamic deformation decreases approximately linearly. The levitation bogie twists along the track on the mitigation curve

and the torsion angle is the largest at the midpoint of the mitigation curve. The torsion angle of the first levitation bogie is always less than that of the second levitation bogie. Overall

the bending stiffness of the levitation electromagnet has little effect on the torsional deformation of the levitation bogie

and has a certain effect on the elastic deformation of the first levitation bogie bracket

and has little effect on the second levitation bogie bracket.

关键词

磁浮列车悬浮架电磁铁曲线通过刚柔耦合动力学弹性变形仿真

Keywords

maglev trainlevitation bogieelectromagnetcurve negotiationrigid-flexible coupled dynamicselastic deformationsimulation

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