【摘要】 选取起重机臂架的腹杆壁厚和各节臂架的主弦杆壁厚为设计变量,以最小重量为优化目标,考虑刚度和稳定性等约束条件,建立优化数学模型。对采用高强度钢管研制的某海洋钻井平台起重机臂架进行优化设计,获得了最轻自重起重机臂架的最佳设计方案。更多还原

【Abstract】 Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction,considering constraints of rigidity and stability etc.,this paper establishes the math model of optimal design.With the proposed method,the optimal design of crane booms made of high strength alloy tubes used for drilling platform is carried out in order to obtain the lightest crane booms更多还原