自移式掘进机辅助支护设备顶梁的优化设计

Top beam optimization design of self-motion assisted powered support equipment for tunneling machine

为了减小自移式掘进支护设备顶梁的质量,以增加设备自行移动的灵活性,降低工程造价,研究了基于大型有限元分析软件ANSYS Workbench的优化设计.首先用三维建模软件Pro/ENGINEER对自移式掘进支护设备的顶梁进行了三维参数化建模,定义了设计变量.在此培础上利用ANSYSWorkbench对顶梁进行了优化设计,以最大综合应力和整体位移为约束条件,以结构质量为目标变量进行优化改计.实现了顶梁结构11%的质量优化.对该类结构优化的难点问题提出有针对性的解决方法.为同类问题的解决提供了参考依批.最后对优化结果进行仿真分析,证明了优化方法的可行性.

In order to reduce the quality of top beam of self-moving assisted powered support equipment for tunneling machine and increase the flexibility of mobile devices and reduce project cost, this paper studied optimal design based on the large-scale software ANSYS Workbench finite element analysis. Firstly, this study utilized three-dimensional modeling software Pro/ENGINEER for top beam of self-moving assisted powered support equipment for tunneling machine for parametric modeling, and defined design variables. On this basis, using ANSYS Workbench optimized the design for the top beam, the maximum stress and integrated displacement for constraints, the structural quality for the target, this study achieved 11% quality optimization. It proposes the pertinent method to difficult problems in structural optimization, and provides reference for solving similar problems. Lastly, the simulation analysis of optimization results proved the feasibility of the optimization method.