[1]吴 潇,丁军君,黄运华,等. 牵引力对机车轮轨关系的影响分析[J].机车电传动,2019,(05):1.[doi:10.13890/j.issn.1000-128x.2019.05.100]
 WU Xiao,DING Junjun,HUANG Yunhua,et al. Influence of Traction Force on Locomotive Wheel-Rail Relationship[J].Electric Drive for Locomotives,2019,(05):1.[doi:10.13890/j.issn.1000-128x.2019.05.100]
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 牵引力对机车轮轨关系的影响分析()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2019年05期
页码:
1
栏目:
研究开发
出版日期:
2019-09-10

文章信息/Info

Title:
 Influence of Traction Force on Locomotive Wheel-Rail Relationship
作者:
 吴 潇丁军君黄运华李 芾
 (西南交通大学 机械工程学院,四川 成都 610031)
Author(s):
 WU Xiao DING Junjun HUANG Yunhua LI Fu
 ( School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China )
关键词:
 牵引力蠕滑关系磨耗数滚动接触疲劳轮轨关系动力学仿真模型
Keywords:
 traction force creep relation wear number rolling contact fatigue wheel-rail relationship dynamics simulation model
分类号:
U260.13;U211.5
DOI:
10.13890/j.issn.1000-128x.2019.05.100
文献标志码:
A
摘要:
 为分析机车牵引力对轮轨关系的影响,在SIMPACK 多体动力学软件中分别建立了基于60 钢轨和60N 钢轨的“机车—轨道”耦合动力学模型,设定了水平轨道和坡道通过曲线的2 种工况,分析机车牵引力与轮轨蠕滑关系、最大法向接触应力和RCF 损伤系数的关联度。计算结果表明:增加牵引力使轮轨纵向蠕滑率和纵向蠕滑力迅速增加,横向蠕滑力降低,机车在60N 钢轨上运行时变化尤为明显;钢轨内侧纵向蠕滑力受牵引力作用方向改变,引起钢轨内侧裂纹方向改变;相比60 钢轨,60N 钢轨抵抗磨耗的能力较强,但容易产生滚动接触疲劳。
Abstract:
 In order to analyze the influence of locomotive traction force on wheel-rail relationship, a locomotive track coupling dynamics model based on 60 kg/m and 60N rail was established in SIMPACK multi-body dynamics software, and the horizontal
track and ramp were set up. The relationship between locomotive traction force and wheel-rail creep, maximum normal contact stress and RCF damage coefficient were analyzed. The results showed that the longitudinal creep rate and longitudinal creep force increase rapidly and the lateral creep force decreases with the increase of traction force, especially when the locomotive is running on the 60N rail. The longitudinal creep force on the inner side of the rail is changed by the direction of the traction force, which results in the
change of the direction of the inner crack of the rail. Compared with the 60 kg/m rail, the 60N rail has a stronger ability to resist wear,but it is easy to produce rolling contact fatigue.

参考文献/References:

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备注/Memo

备注/Memo:
 作者简介:吴 潇(1982—),男,硕士研究生,研究方向为轨道车辆设计与理论。
更新日期/Last Update: 2019-09-09