采煤机电缆拖拽装置传动部件应力分析研究 机械制造自动化专业VIP专享

采煤机电缆拖拽装置传动部件应力分析摘要：在采煤机工作过程中，圆环链作为采煤机电缆拖拽装置的牵引构件，其性能优劣将直接影响煤矿的煤炭产量。本文以圆环链为研究对象，结合实际工况，对圆环链的材料属性进行定义，建立了圆环链的有限元分析模型。在圆环链上分别施加 70kN，105kN 和 140kN 载荷，进行加载试验，研究表明：随着负载的增加，链条 Mises 应力基本呈线性趋势增长；受力加载后链环的圆弧段所受应力较大，易产生断裂及塑性变形问题，应定期对圆环链进行检修，该研究对提高采煤机电缆拖拽系统工作效率提供理论依据。关键字：采煤机电缆；圆环链；有限元法；应力分析；中图分类号： 文献标识码：Stress Analysis of Transmission Components of Shearer Cable Dragging DeviceAbstract: As a towing device of shearer cable dragging device, the merits of circular chain will directly affect coal production in coal mines. In the process of shearer work, to ensure that the chain does not produce any form of failure has become particularly important. In this paper, the circular chain as the research object, combined with the actual conditions, the material properties of the circular chain is defined, the finite element analysis model of the circular chain is established. The loads of 70kN, 105kN and 140kN were respectively applied to the circular chain to carry out the loading test. The results show that the Mises stress of the chain increases linearly with the increase of the load. The stress on the circular arc of the chain increases with the increase of load Large, prone to fracture and plastic deformation problems, should be regularly carried out overhaul of the circular chain, the study to improve Shearer cable drag system work efficiency provides a theoretical basis.Key words: Shearer cable; circular chain; finite element method; stress analysis 0 引言目前煤矿开采不断朝着智能化、自动化和机械化的方向发展，采煤机运行状况对...