采煤机工作机构CAD及薄煤层小直径滚筒装煤性能的分析.pdf

摘 要 本论文对煤岩破碎时的崩落角¨影响块煤率的主要因 素、螺旋叶片成形胎具的设计方法等进行了研究。设计了采 煤机工作机构CAD系统，该系统己被应用于设计生产，取 得了良好的效果。本文还对薄煤层小直径滚筒的装煤性能进 行了研究，根据散体力学理论，讨论了滚筒的装挤煤现象， 分析了滚筒装煤性能的主要影响因素，提出了相应的改进措 施。经实践检验，本文的研究结果是可行的。 关键词：采煤机滚筒崩落角块煤率CAD胎具装煤性能 Abstract therateof factorof avalanche main Thecoal．debris an西ey，the andthe methodof dieof leafare coal block formingspiral design general has shearermechanismCAD been inthedissertation．The studied system andhasbeen to and hasmade designproduction，which designed applied coal with and is load the result．The pushing good phenomenon squeezing on ofloosedmaterialmechanics．The discussedthe primary theory influencefactorsofload are andthe analyzedcorresponding performance havebeenforward．Examined measures by improvement put practice，the iSfeasible． ofthisdissertafion conelusion rate DrumAvalancheBlockcoal Keywords：Shearer angle Die CAD Loadingperformance 辽宁工程