Strength analysis and structure optimization of locomotive frame based on TB/T 3549.1—2019

DONG Shengmin; ZHANG Guoxin

doi:10.13890/j.issn.1000-128X.2024.03.101

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Strength analysis and structure optimization of locomotive frame based on TB/T 3549.1—2019

Railway Rolling Stock | 更新时间：2025-02-08

- Strength analysis and structure optimization of locomotive frame based on TB/T 3549.1—2019
- Electric Drive for Locomotives Issue 6, Pages: 87-93(2024)
- 作者机构：
  
  中车大同电力机车有限公司，山西大同 037038
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2024.03.101
  CLC： U260.33
- Published：10 November 2024，
  
  Received：12 December 2022，
- 稿件说明：
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董胜敏, 张国鑫. 基于TB/T 3549.1—2019的机车构架强度分析及结构优化[J]. 机车电传动, 2024(6): 87-93.

DONG Shengmin, ZHANG Guoxin. Strength analysis and structure optimization of locomotive framebased on TB/T 3549.1—2019[J]. Electric drive for locomotives,2024(6): 87-93.
董胜敏, 张国鑫. 基于TB/T 3549.1—2019的机车构架强度分析及结构优化[J]. 机车电传动, 2024(6): 87-93. DOI：10.13890/j.issn.1000-128X.2024.03.101.董胜敏, 张国鑫. 基于TB/T 3549.1—2019的机车构架强度分析及结构优化[J]. 机车电传动, XXXX(XX): 1-7.

DONG Shengmin, ZHANG Guoxin. Strength analysis and structure optimization of locomotive framebased on TB/T 3549.1—2019[J]. Electric drive for locomotives,2024(6): 87-93. DOI：10.13890/j.issn.1000-128X.2024.03.101.DONG Shengmin, ZHANG Guoxin. Strength analysis and structure optimization of locomotive frame based on TB/T 3549.1-2019[J]. Electric drive for locomotives,XXXX(XX): 1-7.

摘要

文章对比分析了TB/T 3549.1—2019与UIC 615-4:2003、EN 13749:2011标准中构架横向载荷、悬吊部件惯性载荷的差异性，得出TB/T 3549.1—2019对构架载荷规定更加完善清晰，并且与我国转向架构架实际类型更加切合的结论；依据TB/T 3549.1—2019要求，通过有限元分析方法开展了某机车构架的强度分析，实施了针对结构薄弱部位的优化改进，并对改进效果进行了仿真试验验证，实现了构架疲劳强度安全裕量的提高和整体安全性的提升。该优化有效降低了构架疲劳失效的概率，提高了轨道车辆运行的安全性。

Abstract

This paper compared and analyzed the differences in the lateral load of the frame and the inertia load of the suspension components between TB/T 3549.1—2019 and the standards UIC 615-4:2003 and EN 13749:2011. It concludes that TB/T 3549.1—2019 provides more comprehensive and clearer specifications for frame loads

which are more in line with the actual types of bogie frames in China. According to the requirements of TB/T 3549.1—2019

finite element analysis was conducted to analyze the strength of a locomotive frame. Optimization improvements targeting weak structural areas were implemented

and the effectiveness of the improvements was validated through simulation tests

achieving an increase in the fatigue strength safety margin of the frame and the overall safety enhancement. The optimization effectively reduces the probability of fatigue failure of the frame and improves the safety of rail vehicle operation.

关键词

机车转向架TB/T 3549.1—2019构架强度分析结构优化

Keywords

locomotive bogieTB/T 3549.1—2019framestrength analysisstructural optimization

references

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