Finite element analysis and comparison of doorframe structure in container crane

For the familiar doorframe structures of composite type and single oblique pole type,building a finite model of container crane steel structure by ANSYS,stress strain and mode vibration are analysed and compared.It's acquired that in the condition of the same performance parameter,changing doorframe structure of compound type into single oblique pole type,the changes of stress strain and inherent characteristic are little;heightening contact crossbeam and adopting doorframe structures in single oblique pole type is feasible,which could economize steel,reduce cost and heighten moving headroom height below the contact crossbeam.