Analysis on the selection of brake shoe and wheel for an engineering train from the perspective of braking safety

LEI Yanan; HUANG Zhihui; HU Feifei; ZHU Shichang; ZHANG Bingqi; MA Chao

doi:10.13890/j.issn.1000-128X.2022.06.010

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Analysis on the selection of brake shoe and wheel for an engineering train from the perspective of braking safety

Railway Rolling Stock | 更新时间：2024-08-02

- Analysis on the selection of brake shoe and wheel for an engineering train from the perspective of braking safety
- Electric drive for locomotives Issue 6, Pages: 67-73(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.宝鸡中车时代工程机械有限公司技术研发中心，陕西宝鸡;721003
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.06.010
  CLC： U273
- Published：10 November 2022，
  
  Received：26 February 2021，
  
  Revised：06 April 2021，
- 稿件说明：
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LEI Yanan, HUANG Zhihui, HU Feifei, et al. Analysis on the selection of brake shoe and wheel for an engineering train from the perspective of braking safety. [J]. Electric drive for locomotives (6):67-73(2022)
DOI：

LEI Yanan, HUANG Zhihui, HU Feifei, et al. Analysis on the selection of brake shoe and wheel for an engineering train from the perspective of braking safety. [J]. Electric drive for locomotives (6):67-73(2022) DOI： 10.13890/j.issn.1000-128X.2022.06.010.

摘要

针对最高运行速度160 km/h、轴重21 t的工程车，从制动距离限值、轮轨黏着限度、车轮温度限值、车轮强度要求这4方面进行分析，确定了闸瓦类型、车轮单双侧制动型式和车轮轮径，并校核了选型方案中磨耗到限车轮在2种制动工况下受到热载荷与机械载荷共同作用时的强度。计算结果表明，制动初速160 km/h、轮径915 mm的工程车采用M型粉末冶金闸瓦、车轮双侧制动满足紧急制动距离和不滑行的条件，并且车轮踏面最高温度不高于使用要求的极限温度，同时磨耗到限车轮在2种制动工况下的最大应力满足强度要求。

Abstract

For an engineering train with maximum running speed up to 160 km/h and axle load of 21 t

the brake shoe type

single and double side braking type and wheel diameter were confirmed by analysis in four aspects of braking distance limit

wheel-rail adhesion limit

wheel temperature limit and wheel strength requirement

and the strength of the wheels with the maximum wear was checked under the combined action of thermal load and mechanical load in two braking conditions under the proposed selection scheme. According to the results

for the engineering train with an initial speed at braking application of 160 km/h and 915 mm wheel diameter

the wheel configuration of the M-type powder metallurgy brake shoe and wheel clasp braking can not only meet the requirements of emergency braking distance and no sliding

but also maintain the maximum temperature of wheel tread less than the temperature limit required for service

and exert the maximum stress of the wheels with the maximum wear under the two braking conditions meeting the strength requirements.

关键词

有限元制动距离轮轨黏着车轮温度强度

Keywords

finite elementbraking distancewheel-rail adhesionwheel temperaturestrength

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