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针对液压支架优化设计初值选择困难的问题,基于可视优化设计思想提出将Euler-Savary方程和拐点圆生成技术应用于支架直线导路机构的设计.在给定前、后连杆与底座铰接点位、掩护梁与顶梁铰点位置及掩护梁在该点运动方向的条件下,建立以后连杆方位角和拐圆位置角为参量的数学模型,得到所有具有二阶以上密切直线机构的精确解.计算包括直线性能在内的设计者感兴趣的各种机构属性并实现属性信息的图形可视化,施加设计约束构建机构可行域,引导设计者在可行域内快速准确地寻找在指定采高范围的具有最小直线偏差的机构,或在给定允许偏差的条件下具有最大支架调高的机构,为液压支架优化设计提供具有先天优势的机构初始值.
Aiming at the difficulty of initial selection of hydraulic support optimal design, the Euler-Savary equation and the inflection point circle generation technology are proposed based on the visual optimization design idea. When given, the connecting rod and the base are hinged Point, the location of the hinge point between the shield beam and the roof beam and the direction of movement of the shield beam at the point, the mathematical model of the azimuth angle of the connecting rod and the angle of cornering is taken as the parameter, and all the models with the second- Exact Solution Calculate the attributes of various agencies interested in the designer, including the linear performance, and visualize the attribute information. Apply the design constraint to construct the feasible region of the mechanism to guide the designer to quickly and accurately find the feasible region in the feasible mining range The mechanism with the least linear deviation or the mechanism with the maximum support height adjustment given the allowable deviation provides the initial value of the mechanism with the inherent advantages for the hydraulic support optimization design.