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Issue:
Analysis on Structural Dynamic Characteristics of 450 t Gantry Crane
Author(s):
CHEN Shi-tong
,
ZHAO Zhen-yu
,
SUN Zhi-xing
Pages:
77
-
79
Year:
2014
Issue:
6
Journal:
Road Machinery & Construction Mechanization
Keyword:
提梁机
;
模态分析
;
动力特性
;
安全因子
;
Abstract:
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.
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