钢轨扣件弹条填充阻尼结构的优化设计
U213.5+31; 采用Solidworks软件建立了 WJ-2型弹条扣件三维有限元模型,对弹条在自由状态和标准安装状态下的固有频率和振型进行了分析,得知该弹条在服役状态下与轮轨波磨激励一致时易引发共振,且其共振频率位于尾部支承位置,与现场断裂位置一致.基于此,在不影响WJ-2型弹条扣件配套设施的前提下,对该弹条结构进行优化设计,并分别对弹条内腔掏空后无填充阻尼材料、填充橡胶及填充铁素体球墨铸铁等3种工况进行仿真分析.结果表明,弹条内腔填充灰口铸铁时,其减振性能良好,但力学性能不佳;弹条内腔填充铁素体球墨铸铁时,其力学性能良好,但收效同样不明显....
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| Published in | 城市轨道交通研究 Vol. 25; no. 10; pp. 144 - 148 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海工程技术大学城市轨道交通学院,201620,上海%中船重工第七二五研究所洛阳双瑞橡塑科技有限公司,471023,洛阳%河南科技大学机电工程学院,471003,洛阳
2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-869X |
| DOI | 10.16037/j.1007-869x.2022.10.027 |
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| Abstract | U213.5+31; 采用Solidworks软件建立了 WJ-2型弹条扣件三维有限元模型,对弹条在自由状态和标准安装状态下的固有频率和振型进行了分析,得知该弹条在服役状态下与轮轨波磨激励一致时易引发共振,且其共振频率位于尾部支承位置,与现场断裂位置一致.基于此,在不影响WJ-2型弹条扣件配套设施的前提下,对该弹条结构进行优化设计,并分别对弹条内腔掏空后无填充阻尼材料、填充橡胶及填充铁素体球墨铸铁等3种工况进行仿真分析.结果表明,弹条内腔填充灰口铸铁时,其减振性能良好,但力学性能不佳;弹条内腔填充铁素体球墨铸铁时,其力学性能良好,但收效同样不明显. |
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| AbstractList | U213.5+31; 采用Solidworks软件建立了 WJ-2型弹条扣件三维有限元模型,对弹条在自由状态和标准安装状态下的固有频率和振型进行了分析,得知该弹条在服役状态下与轮轨波磨激励一致时易引发共振,且其共振频率位于尾部支承位置,与现场断裂位置一致.基于此,在不影响WJ-2型弹条扣件配套设施的前提下,对该弹条结构进行优化设计,并分别对弹条内腔掏空后无填充阻尼材料、填充橡胶及填充铁素体球墨铸铁等3种工况进行仿真分析.结果表明,弹条内腔填充灰口铸铁时,其减振性能良好,但力学性能不佳;弹条内腔填充铁素体球墨铸铁时,其力学性能良好,但收效同样不明显. |
| Author | 王俊 王安斌 何宇 曾飞 毛鹏军 |
| AuthorAffiliation | 上海工程技术大学城市轨道交通学院,201620,上海%中船重工第七二五研究所洛阳双瑞橡塑科技有限公司,471023,洛阳%河南科技大学机电工程学院,471003,洛阳 |
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| Author_FL | WANG Anbin ZENG Fei HE Yu WANG Jun MAO Pengjun |
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| Keywords | 填充阻尼结构 弹条 轨道交通 优化设计 钢轨扣件 |
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| Title | 钢轨扣件弹条填充阻尼结构的优化设计 |
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