Research on dynamic characteristics of shoegear-conductor rail system considering conductor rail joint gap

YU Wenbin

doi:10.13890/j.issn.1000-128X.2023.02.016

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Research on dynamic characteristics of shoegear-conductor rail system considering conductor rail joint gap

Railway Electrification | 更新时间：2024-08-02

- Research on dynamic characteristics of shoegear-conductor rail system considering conductor rail joint gap
- Electric Drive for Locomotives Issue 2, Pages: 136-141(2023)
- 作者机构：
  
  中铁建电气化局集团第四工程有限公司，湖南长沙　　410114
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2023.02.016
  CLC： U231;U264.3⁺4
- Published：10 March 2023，
  
  Received：07 February 2023，
- 稿件说明：
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喻文彬. 考虑接触轨轨缝的靴轨系统动态特性研究[J]. 机车电传动, 2023(2): 136-141.

YU Wenbin. Research on dynamic characteristics of shoegear-conductor rail system considering conductor rail joint gap[J]. Electric Drive for Locomotives,2023(2): 136-141.
喻文彬. 考虑接触轨轨缝的靴轨系统动态特性研究[J]. 机车电传动, 2023(2): 136-141. DOI： 10.13890/j.issn.1000-128X.2023.02.016.

YU Wenbin. Research on dynamic characteristics of shoegear-conductor rail system considering conductor rail joint gap[J]. Electric Drive for Locomotives,2023(2): 136-141. DOI： 10.13890/j.issn.1000-128X.2023.02.016.

摘要

在城市轨道交通中，列车供能除采用架空接触网系统外还常采用靴轨系统。在靴轨系统中，集电靴沿接触轨滑行，振动行为复杂，易受线路条件和结构本身的影响。当接触轨出现轨缝时，集电靴通过会产生较大冲击力，造成靴轨系统受流工况恶化。文章基于多体动力学和有限元理论，搭建靴轨耦合动力学模型，并与实测数据相对比，验证模型准确性。基于所搭建的模型，考虑在标准规定的最恶劣的接触轨轨缝条件，分析靴轨系统在不同速度和轨缝方向下的动态性能。结果表明，相对于前低后高轨缝的工况，集电靴通过前高后低轨缝时，车辆运行速度对靴轨系统受流质量的影响更加严重。

Abstract

In urban rail transit

in addition to overhead catenary system

the electric shoegear-conductor rail system is often used for energy supply of trains. In the shoegear-conductor rail system

the electric shoegear slides along the conductor rail

and the vibration behavior is complex and vulnerable to the influence of line conditions and the structure itself. When the conductor rail has rail joint gap

the shoegear passing through will generate large impact force

resulting in the deterioration of the current collection quality of the shoegear-conductor rail system. Based on multi-body dynamics and finite element theory

this paper built a shoegear-conductor rail coupling dynamics model

and compared it with measured data to verify the accuracy of the model. Based on the model

the dynamic performance of the shoegear-conductor rail system at different speeds and with rail joint gaps in different directions was analyzed

considering the worst conductor rail joint gap conditions specified in the standard. The results show that when the shoegear passes through the front-high-rear-low rail joint gaps

the vehicle running speed has a more serious influence on the current collection quality of the shoegear-conductor rail system compared to the front-low-rear-high rail joint gaps.

关键词

城市轨道交通集电靴-接触轨系统轨缝受流质量多体动力学方法

Keywords

urban rail transitshoegear-conductor rail systemrail joint gapcurrent collection qualitymulti-body dynamics method

references

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住房和城乡建设部城市轨道交通标准化技术委员会. 城市轨道交通钢铝复合导电轨技术要求: CJ/T 414—2012[S]. 北京: 中国标准出版社, 2013.

Urban Rail Transit Standardization Technical Committee of the Ministry of Housing and Urban Rural Development. Technical requirements for aluminum-steel conductor rails for urban rail transit: CJ/T 414—2012[S]. Beijing: Standards Press of China, 2013.

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HIPPMANN G. An algorithm for compliant contact between complexly shaped bodies[J]. Multibody System Dynamics, 2004, 12(4): 345-362.

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WANG Rui. Study on vertical coupling dynamics of the third rail/shoegear[D]. Beijing: Beijing Jiaotong University, 2016.

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