基于EDEM对薄煤层采煤机装煤性能的研究新方法及应用

发布时间：2018-03-13 14:42

本文选题：离散元　切入点：采煤机　出处：《机械强度》2017年03期 　论文类型：期刊论文

【摘要】：介绍离散元法的数值计算方程和螺旋滚筒理论装煤率的计算方法,并结合工程实际项目,根据采煤机滚筒叶片的螺旋升角、厚度、煤与叶片的摩擦因数、滚筒转速等相关参数计算出采煤机的理论装煤率。利用Pro/E软件建立了采煤机装煤系统模型并将其导入到通用CAE软件EDEM中,根据煤层赋存条件及采煤机实际工况对装煤系统仿真模型的材料和属性等参数进行设置。通过对滚筒装煤率离散元仿真的结果和理论装煤率进行研究和分析,验证了离散元法对采煤机滚筒装煤效果仿真研究的可行性和分析的准确性,为离散元法在采煤机装煤性能方面的研究提供了重要参考。
[Abstract]:This paper introduces the numerical calculation equation of discrete element method and the calculation method of coal loading rate of helical drum theory. Combining with the actual project, according to the spiral rising angle, thickness, friction coefficient between coal and blade of shearer drum blade, the paper introduces the calculation method of discrete element method. The theoretical coal loading rate of shearer is calculated by relative parameters such as drum rotational speed and so on. The coal loading system model of shearer is established by using Pro/E software and introduced into the general CAE software EDEM. According to the condition of coal seam occurrence and the actual working condition of shearer, the parameters such as material and attribute of the simulation model of coal charging system are set up. The results of discrete element simulation and the theoretical rate of coal loading are studied and analyzed. The feasibility and accuracy of the discrete element method for the simulation study of the coal filling effect of the shearer drum are verified, which provides an important reference for the study of the coal loading performance of the shearer by the discrete element method.
【作者单位】：辽宁工程技术大学机械工程学院;
【基金】：中国煤炭工业科技计划项目(MTKJ2009-264) 辽宁省教育厅资助高等学校创新团队项目(2007T070)资助~~
【分类号】：TD421.6

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