基于结构功能衍生系数的桥式起重机金属结构优化设计

董青,张天祥,戚其松,徐格宁

Optimization design of metal structure of bridge crane based on structural function derivative coefficients

Qing DONG,Tianxiang ZHANG,Qisong QI,Gening XU

表7 不同参数水平下起重机金属结构的最大应力 (MPa)

Table 7 Maximum stress on metal structure of crane under different parameter levels

结构 参数 参数水平 V1 V2 V3 桥架结构 x1 101.39 98.61 81.92 x2 135.81 98.61 57.13 x3 139.23 81.92 56.50 x4 139.23 81.92 56.50 x5 98.63 98.61 98.50 x6 96.44 98.61 100.48 x7 96.32 98.50 100.33 x8 98.58 98.61 98.58 x9 98.58 98.61 98.58 小车架结构 x10 129.30 130.56 120.67 x11 146.50 130.56 147.81 x12 145.33 127.26 151.95 x13 145.33 127.26 151.95 x14 141.66 130.56 120.67 x15 148.43 130.56 147.81 x16 158.10 141.66 147.74 x17 130.99 130.56 130.44 x18 130.91 130.56 130.53