Overhead crane is Hengjia in workshops, warehouses and empty field for material lifting material lifting equipment. Because of its ends located in the tall concrete pillars or metal bracket, shaped like a bridge. Overhead crane overhead bridge along the laying of tracks on both sides longitudinally running, you can take advantage of the space under the bridge lifting material from ground equipment obstacles. It is the most widely used, the largest number of a lifting machinery.
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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