| 油气弹簧阻尼阀疲劳失效成因分析与试验研究 |
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| 引用本文： | 陈轶杰,杨占华,王亚军,雷强顺,张旭.油气弹簧阻尼阀疲劳失效成因分析与试验研究[J].机械强度,2010,32(2). |
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| 作者姓名： | 陈轶杰 杨占华 王亚军 雷强顺 张旭 |
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| 作者单位： | 1. 中国北方车辆研究所底盘部件技术部,北京,100072;北京理工大学机械与车辆工程学院,北京,100081
2. 中国北方车辆研究所底盘部件技术部,北京,100072 |
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| 基金项目： | 国家部委预研项目(51404040104BQ01)资助~~ |
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| 摘 要： | 针对自主研发的油气弹簧在跑车试验时节流阀片受冲击失效的现象,运用水击理论对其成因展开分析研究,建立阻尼阀物理模型,给出线性关闭状态下阀门开度随时间变化的方程,通过解偏微分方程的特征线法,创建阻尼阀非瞬时启闭水击数学模型;编程分析节流阀片处常通孔结构参数对阻尼阀所受瞬态冲击的影响规律,得出增大常通孔面积可减小阀门所受冲击的结论,同时开展阻力特性试验。得出的结论可以作为阻尼阀的设计参考,避免阀片断裂的再次发生。
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| 关 键 词： | 油气弹簧 疲劳失效 节流阀片 阻力特性 常通孔 |
RESEARCH ON THE FATIGUE FAILURE GENESIS OF THROTTLE VALVE AND EXPERIMENT OF HYDRO-PNEUMATIC SPRING |
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| CHEN YUie,YANG ZhanHua,WANG YaJun,LEI QiangShun,ZHANG Xu.RESEARCH ON THE FATIGUE FAILURE GENESIS OF THROTTLE VALVE AND EXPERIMENT OF HYDRO-PNEUMATIC SPRING[J].Journal of Mechanical Strength,2010,32(2). |
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| Authors: | CHEN YUie YANG ZhanHua WANG YaJun LEI QiangShun ZHANG Xu |
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| Affiliation: | 1.Department of Chassis Components Technology/a>;China North Vehicle Research Institute/a>;Beijing 100072/a>;China;2.School of Mechanical and Vehicular Engineering/a>;Beijing Institute of Technology/a>;Beijing 100081/a>;China |
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| Abstract: | The fatigue failure genesis of throttle valve was studied according to the phenomenon of slice invalidation of hydro-pneumatic spring under wallop from different road surface.The physical model of throttle valve was built.The equation of valve opening degree following time was presented under the linear close state,after that the uninstantaneous water hammer mathematic model of the throttle valve was established by using the method of latent line for the partial differential equations solving.The rules that... |
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| Keywords: | Hydro-pneumatic spring Fatigue failure Throttle slice Damping characteristic Throttle orifice |
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