A Study Of Finite Element Analysis And Optimizion Design For Large Pneumatic Girder GantryCranes

In this paper, 9000kN Wheel Type Pneumatic Girder Gantry Cranes for Express Railway Constructions is used as an object of study. A model of Pneumatic Girder Gantry Cranes is established by using finite element software ANSYS and APDL parametric language, and then static structure analysis and stability analysis are carried out to the Pneumatic Girder Gantry Cranes with ANSYS software. The analysis results indicate that the Pneumatic Girder Gantry Cranes isn't satisfying intensity and stability requirement, therefore, the improvement design for the local structure are conducted, and the improved Pneumatic Girder Gantry Cranes is analyzed. The results are satisfactory. The optimization design of main girde has been conducted by ANSYS software. According to the principal that both security and efficiency are necessary, stability analysis and structure analysis were both applied to it again. It was shown that the results are more reasonable,accurate and reliable.Finite element modeling and analysis with ANSYS may save manpower and material resources and have relatively simulation precision. It is very helpful to advance the structure design level in engineering of oversize gantry crane. It makes the structure more reasonable and meets the demand of social development. Through this study, we can find the function and significance of finite element analysis and optimizion design. The Study method of finite element analysis and optimizion design is provide theoretical foundation and practical guidance for designing the products of same kind.