摘要
为预测TQLZ型往复振动筛的振幅和运动轨迹,在建立振动筛动力学模型和确定橡胶弹簧刚度的基础上,基于刚体动力学分析软件ADAMS建立振动筛的虚拟样机模型,通过动力学理论模型计算和虚拟样机仿真得到振动筛的振幅和运动轨迹。结果表明:振动体质心振幅和振动方向角的理论计算结果与虚拟样机仿真结果基本一致;激振力作用线通过振动体质心时,振动体各点振幅基本相同,振动体沿振动方向做往复直线运动而无绕质心转动。研究结果可为分析激振力偏移质心式振动筛和优化振动筛工作性能提供依据。
To predict vibration amplitude and trajectory of the TQLZ type reciprocating vibration screen.A dynamic model of the vibration screen was established,and the stiffness of the rubber springs was determined.A virtual prototype model of the vibration screen was established based on the rigid body dynamics analysis software ADAMS.By calculating the dynamic theory virtual prototype simulation,the amplitude and trajectory of the screen were gotten.The results showed that the theoretical calculation results of the centroid amplitude of the vibrating body were consistent with the results of the virtual prototype simulation.There was a certain angle between the vibration direction of the vibration body and the direction of the exciting force in the vertical plane.When then action line of the exciting force through the centroid of the vibrating body,the vibration amplitudes of each point on the vibrating body are same basically.The vibrating body done reciprocating linear motion was along the direction vibration without rotation about the centroid.The results lay a foundation for research on the vibration force offset centroid type vibration screen and optimal performance for the vibration screen.
出处
《食品与机械》
CSCD
北大核心
2016年第2期67-70,共4页
Food and Machinery
基金
国家"十二五"科技支撑计划项目(编号:2011BA D03B01-03)
河南省重大科技专项(编号:121199110120)
河南工业大学高层次人才基金项目(编号:2010BS050)
关键词
往复振动筛
动力学模型
ADAMS
虚拟样机
reciprocating vibration screen
dynamic model
ADAMS
virtual prototype
