Electric single girder crane girder institutional analysis

Electric single girderelectric hoiststructure has 70 years of history in the form of a single beam of variety, such as: add truss beam, I-beam tube plus, plus a triangular box girder beams, rectangular box girder beam plus more.
These single girder crane girder composite section has many deficiencies, such as the thickness of the beam height is too high, and cover the same web (n-type orange), material utilization is not reasonable, composite section of the welding process and repression increase the cost of production.
In recent years, the domestic electric single girder crane (LDA type 1 to 20 ton electric single girderElectric wire rope hoist http://www.cn-cranes.com/html/danliang/40.html) girder section some new patterns. In this paper, local bending stress flat flange steel plate at the edge of the wing hoist wheel pressure effects arising from analysis.

First was the distribution of local bending stresses measured by simulation, structural analysis and then use the MAS program to compute the finite element model analysis, the maximum stress calculation charts and curves. From the experimental results and finite element analysis results obtained local maximum bending stress flange plate mainly in the loading point and the corresponding free edges and roots.