[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):25-28.[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):25-28.[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:
25-28
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
文章编号:
1000-128X(2019)05-0025-04
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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相似文献/References:

[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]

备注/Memo

备注/Memo:
作者简介: 吴? 潇(1992—),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: 2019-10-10