| 具有空腔结构的轨道车辆用橡胶液力球铰 空向静刚度特性研究 |
| Study on Cavity Direction Static Stiffness Characteristics of Rubber Hydraulic Ball Joint with Cavity Structure for Rail Vehicle |
| 投稿时间：2021-08-13 修订日期：2021-08-13 |
| DOI：10.12136/j.issn.1000-890X.2022.05.0330 |
| 中文关键词: 橡胶液力球铰 橡胶体 空腔 空向静刚度 轨道车辆 有限元分析 |
| 英文关键词: rubber hydraulic ball joint rubber body cavity cavity direction static stiffnessrail vehicle finite element analysis |
| 基金项目:湖南省重点领域研发计划项目（2020WK2028） |
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| 中文摘要: |
| 将轨道车辆用橡胶液力球铰橡胶体的形变简化成平面应变，推导出具有空腔结构的橡胶液力球铰空向静刚度计算公式；结合试验与有限元仿真结果对该公式的有效性进行验证，并给出公式的建议适用范围。采用空向静刚度计算公式能有效加快橡胶液力球铰设计，缩短产品开发周期，对轨道车辆用橡胶液力球铰等具有空腔结构的橡胶制品开发具有指导意义。 |
| 英文摘要: |
| The calculation formula of the cavity direction static stiffness of the rubber hydraulic ball joint with cavity structure for rail vehicle was obtained by simplifying the deformation of the rubber body to plane strain. The effectiveness of the formula was verified based on the experimental and finite element simulation results，and the recommended scope of application of the formula was presented. Adopting the calculation formula of the cavity direction static stiffness could effectively speed up the design of the rubber hydraulic
ball joint and shorten the product development cycle. It had guiding significance for the development of the rubber hydraulic ball joints for rail vehicles and other rubber products with cavity structure. |
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