Discussion on the calculation formula of deflection at effective cantilever end of gantry crane

Abstract

Abstract:

Abstract:Taking 1250kN gantry crane as an example, this paper calculates the deflection at effective cantilever end using two methods, one is the theoretical calculation formula of defection in Crane Design Manual, and the other is finite element software. The result shows that the theoretical deflection value is smaller than the value obtained by finite element software. By derivation, it is found that displacements of shear deformation and tensile deformation are not considered in the theoretical calculation formula. After that, this paper calculates the defection using the derived formula and its result is incredibly close to that of finite element calculation, which shows that the derived formula has great practicality.

Key words: Keywords:gantry crane, deflection, effective cantilever end, finite element analysis, theoretical formula

HU Ting1, YAN Yuping2. Discussion on the calculation formula of deflection at effective cantilever end of gantry crane[J]. Huadian Technology, 2016, 38(12): 1-5.

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Discussion on the calculation formula of deflection at effective cantilever end of gantry crane

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