摘要
针对提梁机动力特性研究不够深入,对提梁机安全性能影响不够系统的问题,采用数值仿真的方法,对提梁机进行动力特性分析,把振型和频率这两个安全因子应用到提梁机的安全性分析中。结果表明:提出的安全因子能够准确、快速地分析其对结构的影响,并能较好的判断结构振动的不稳定性因素,从避免共振的角度提出了起重机部件参数的选取原则,提高了结构的安全性能。
Given that the study on the dynamic characteristics of gantry crane is not deep enough, and the study of safety is not systematical, the vibration modes and vibration frequency were applied to the analysis of structural safety by using numerical simulation method. The simulation results show that compared with other methods, the safety factor method can accurately judge the existence of structural damage. It can more accurately determine the instability factor of structure vibration. The selecting principle of equipment parameters was put forward to avoid resonance, illuminating that the method has higher security and reliability.
出处
《筑路机械与施工机械化》
2014年第6期77-79,共3页
Road Machinery & Construction Mechanization
基金
铁道部科技研究开发计划项目(2008G008-A)
关键词
提梁机
模态分析
动力特性
安全因子
gantry crane
modal analysis
dynamic characteristic
safety factor
