主要研究了掘进机刮板运输物料时所受的冲击载荷,利用散体力学的基本理论,建立散体物料的力学模型以及数学模型,并通过离散元分析软件PFC3D仿真模拟,得到刮板所受载荷变化曲线,分析了刮板载荷变化情况,为掘进机刮板输送机构设计研究奠定了理论基础。 Mainly studied the boring machine scraper transport materials suffered impact load, the use of the basic theory of bulk mechanics, the establishment of the mechanical model of bulk materials and mathematical models, and through the discrete element analysis software PFC3D simulation obtained scraper suffered Load curve, analyzed the change of scraper load, and laid the theoretical foundation for the design of scraper conveyor mechanism.