矿用圆环链链环间的摩擦力及能耗  

Energy consumption and friction between mining round-link chain and chain

作　　者：刘波[1] 曹越操 姜易寒 Liu Bo;Cao Yuecao;Jiang Yihan(The Electromechanical Dynamics Department of Shenhua Wuhai Coal Group Corporation Limited,Wuhai 016000,China;College of Mechanical Engineering,Liaoning Technical University,Fuxin 123000,China)

机构地区：[1]神华乌海能源有限责任公司机电动力部,内蒙古自治区乌海016000 [2]辽宁工程技术大学机械工程学院,辽宁阜新123000

出　　处：《黑龙江科技大学学报》2018年第2期214-220,共7页Journal of Heilongjiang University of Science And Technology

基　　金：国家自然科学基金项目(51504121;51774161)

摘　　要：为研究矿用圆环链工作中两链环间摩擦力的大小及其造成的能量损失,运用ANSYS/LS-DYNA软件的接触动力学模块,仿真分析圆环链在正常运行、瞬间空载启动和卡链工况下的链环间等效应力及摩擦力,通过张力测试实验分析摩擦力作用下的能量损耗。结果表明:在三种工况下,链环间的摩擦力大小均随载荷上升而增大。当链环之间产生冲击作用时,其摩擦力可达稳定运行状态时的2.7倍。空载工况下链环间摩擦力耗能占阻力耗能的23.8%。该研究对提高电动机工作效率和减少磨损具有重要的价值。This paper deals with the magnitude of friction between two mine-purpose round-link chains and the resulting energy loss.The research underscores the simulation and analysis of the equivalent stress and friction between chains under the three conditions,such as normal operation,instantaneous no load start-up,and chain blocked case,using the contact dynamics module of ANSYS/LS-DYNA software;and analysis of the energy loss due to friction force via tension test experiment.The results show that the three conditions are accompanied by an increase in the friction force between chains due to the increase of the load,in which case an impact occurring between the chain rings produces 2.7 times the friction force of the stable operation.The experiment proves that the energy consumption resulting from the friction between the chain rings under no-load operation is 23.8%of resistance energy consumption.The study is of great value to improve the efficiency and wear of the motor.

关 键 词：刮板输送机 圆环链 摩擦力 冲击载荷 能量损耗 

分 类 号：TD528.3[矿业工程—矿山机电]