bridge gantry crane

bridge gantry crane

2014年1月8日星期三

Finite element hoist crane of complex multi-function wheel with guide workshop steel crane girder crane system

Versatile crane electrolytic production process is the key equipment . The difference between the ordinary crane crane structure itself versatile domestic industrial plant is widely used in large , multi- crane plus ends of the car with a plurality of transverse , and the asymmetry is arranged at one end of the crane , which class versatile bridge gantry crane load is large, and different from ordinary cranes , and used very frequently . Therefore, the steel crane girder crane multifunctional role under the mechanical performance analysis, to understand the mechanism of the force in a complex crane girder crane loads have some practical value. To this end, this paper carried out the following tasks: simulation by ANSYS finite element analysis software to extract different spans , the internal forces versatile crane girder structure under different braking load cases and load case a second role in cross-section at the most unfavorable value. Referring steel design specification design criteria ordinary steel crane girder overhead crane , the crane beam steel for multifunctional system for strength , deflection, stability checking, and the amount of steel girder crane multifunction system evaluated. By ANSYS finite element eigenvalue buckling analysis , taking into account different load cases , different span space model for multi-purpose steel crane girder system for elastic stability bearing capacity analysis, the linear elastic phase overhead gantry crane steel crane girder system buckling load and instability mode . Bridge project in lifting machinery used , depending on its construction and performance, can be divided into small light lifting equipment , lifting machinery and bridge type jib type crane three categories. Small light lifting equipment such as jacks, electric hoists, winches, etc. . Girder bridge type lifting machinery such as cranes, gantry cranes. Such as fixed jib type crane slewing cranes, tower cranes, truck cranes and wheeled , crawler cranes.

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