Influence of Measured Wheel Tread on Dynamics

Zhaotuan GUO; Maoru CHI; Tengyang XU

doi:10.13890/j.issn.1000-128x.2019.02.008

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Influence of Measured Wheel Tread on Dynamics

更新时间：2021-12-13

- Influence of Measured Wheel Tread on Dynamics
- Electric Drive for Locomotives Issue 2, Pages: 41-43(2019)
- 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
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.02.008
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Zhaotuan GUO, Maoru CHI, Tengyang XU. Influence of Measured Wheel Tread on Dynamics. [J]. Electric Drive for Locomotives (2):41-43(2019)
DOI：

Zhaotuan GUO, Maoru CHI, Tengyang XU. Influence of Measured Wheel Tread on Dynamics. [J]. Electric Drive for Locomotives (2):41-43(2019) DOI： 10.13890/j.issn.1000-128x.2019.02.008.

摘要

利用SIMPACK动力学仿真软件建立我国某现役高速动车组的动力学模型。对服役5万km，10万km，15万km和20万km的线路实测车轮踏面对动力学影响并进行分析。分析结果表明：随着车轮踏面服役里程的增加，车辆系统的临界速度先增加后减小再增加后趋于平缓；随车轮踏面服役里程的增加垂向平稳性指标变化不大，横向平稳性除服役10万km外均随服役里程的增加而增加；车轮踏面服役里程对脱轨系数、轮轴横向力、磨耗功率有较大影响，对轮重减载率影响不是很明显。

Abstract

By using computational multi-body dynamics simulation software SIMPACK, a dynamics simulation model of high-speed EMUs running in China was built. The actual measurement wheel tread which had serviced 50 000 km, 100 000 km, 150 000 km and 200 000 km effect on dynamic was analyzed. The analysis results showed that the critical velocity of the vehicle system increased with the increase of the service range, and then decreased with the increase of the service range, then increased with the increase of the service range and leveling off finally. With the increase of the wheel tread service mileage vertical stability index had not changed steadily, and the horizontal stability had been increased with the increase of the service mileage besides serving 100 000 kilometers. Derailment coefficient, lateral wheelset force and abrasion power larger changed with the increase of the wheel tread service range, and the weight loss rate changed a little with the increase of the wheel tread service range.

关键词

动车组车轮踏面动力学服役里程仿真

Keywords

EMUswheel treaddynamicsservice rangesimulation

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