| This article give full research to truss gantry crane at home and abroad about research status, development direction and important role in the industrial production. On this basis, these characteristics are more members,complicated design,difficult analysis for truss gantry crane . 3D parametric design,modeling and engineering analysis are give to the main girder of the truss gantry crane, made the integration of design, modeling and engineering analysis.First,With design of the main girder structure of the truss gantry crane, including chose of the style and materials, determination of parameter, calcu- lation of the bar section and size, calculation of load, the chose of load com- binations and checking of the strength, stiffness, stability; Second, By used of SolidWorks 3D modeling design give to main girder of the truss gantry crane with span of 39.6 meters, and lifting weight 35 + 35t. Build 3D finite element model to this truss gantry crane by use two kinds of methods, and compare the two kinds of modeling methods; According to various load conditions, finite element analysis to the main girder by use of SolidWorks-Simulation, checking the strength and rigidity of dangerous section of the girder under different conditions; Finally, Take the main girder of the truss gantry crane with span of 39.6 meters for basic model, combining the characteristics of truss structures, With the Windows operating platform and secondary development environment of VB6.0, built design analysis software integration of parametric design, modeling and finite element analysis of main girder of the truss gantry crane .With the inte- gration of design and analysis to main girder of the truss gantry crane with span of 39.6 meters, have significant superiority to design quality, shorten the design cycle, reducing cost. Design analysis software with simple operation, high efficiency modeling and practical, and provides the convenience for enterprise to develop new products. |
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