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基于Pro/E,ADAMS,ANSYS,Matlab与nSoft构造联合仿真平台,建立了某滑行刨煤机刨头的刚柔耦合虚拟样机模型。通过对某难刨煤层赋存条件的研究,生成了实际工况下刨刀的三向力载荷文件。提出了减少煤脊残留的非对称方式布置的新型刨刀,并对传统刨刀与新型刨刀在煤质韧性较高,煤层次生性裂隙极不发育的工况下所受的最大主应力与疲劳寿命进行了对比分析。结果表明:两种刨刀所受最大主应力基本相等,但传统刨刀在刨削难刨煤层过程中将随着煤脊的残留而无法继续工作,而以左右非对称方式布置的新型刨刀既消除了煤脊的残留,同时又提高了刨刀工作的可靠性、延长了刨刀使用寿命。
Based on the co-simulation platform of Pro / E, ADAMS, ANSYS, Matlab and nSoft, a rigid-flexible coupled virtual prototype model of a skidder is established. Through the research on the occurrence condition of a difficult planed coal seam, a three-way force load file of the planer under actual working conditions is generated. The paper proposed a new type of planing knife with asymmetrical arrangement to reduce the coal residue and carried out the maximum principal stress and the fatigue life under the condition of high coal toughness and extremely little coal seam secondary fracture under the condition of the traditional planer and the new planer knife Comparative analysis. The results show that the maximum principal stress of the two kinds of planing knives is basically the same, but the traditional planing knives will not be able to continue working with the coal ridges in the process of planing the difficult planing seam, while the new planing knives arranged asymmetrically Coal ridge residue, while improving the reliability of the planing knife work, extending the life of planer.