摘要
在带式输送机偏载工况下,由于物料偏载会对输送带造成横向冲击,及引起输送带跑偏,为此,对物料偏载下带式输送机输送带的横向冲击特性及跑偏特性进行了研究。首先,对输送带采用离散化处理,以建立柔性带;采用EDEM与ADAMS耦合Co-simulation插件,实现了两者之间的数据交换,以考虑偏载物料对输送带输送过程的影响;然后,基于耦合结果,在ADAMS中进行了输送带横向振幅冲击分析,并通过分析进行了缓冲装置及纠偏装置设计;最后,为了对输送带纠偏装置仿真模型的可行性进行验证,搭建了纠偏试验平台,进行多次试验,证明了纠偏装置的可行性。研究结果表明:输送带在承载段受到物料冲击及偏载影响,横向冲击振幅较大;在设置缓冲装置下,其冲击与跑偏趋势得到缓解;对纠偏装置进行仿真发现,其能够实现良好的纠偏,纠偏值小于带宽5%的标准,满足带式输送机行业标准;通过对纠偏试验平台进行多次纠偏结果测量,发现误差在0.2 mm~0.4 mm范围内,符合精度要求。
Under the eccentric load condition of belt conveyor,the material eccentric load will cause transverse impact and deviation to the conveyor belt.Therefore,the transverse impact characteristics and deviation characteristics of the conveyor belt of belt conveyor under eccentric load were studied.Firstly,the conveyor belt was discretized to establish a flexible belt.The data exchange between EDEM and ADAMS was realized by Co-simulation plug-in to consider the influence of eccentric load materials on the conveying process of belt.Then,based on the coupling results,the lateral amplitude impact analysis of the conveyor belt was carried out in ADAMS,and the buffer device and the deviation correction device were designed through the analysis.Finally,in order to verify the feasibility of the simulation model of the conveyor belt deviation correction device,a deviation correction test platform was built,and many tests were carried out to prove the feasibility of the deviation correction device.The results show that the conveyor belt is affected by material impact and eccentric load in the bearing section,and the transverse impact amplitude is large.Under the setting of buffer device,the impact and deviation trend are alleviated.Through the simulation of the deviation correction device,it is found that it can achieve good deviation correction,and the deviation correction value is less than the standard of 5%of the bandwidth,which meets the industry standard of belt conveyor.By measuring the rectification results for many times on the deviation correction test platform,it is found that the error is within the range of 0.2 mm~0.4 mm,which meets the accuracy requirements.
作者
余浩
田俊杰
姚庆
刘红梅
YU Hao;TIAN Jun-jie;YAO Qing;LIU Hong-mei(School of Mechanical Engineering,Nantong University,Nantong 226019,China;School of Transportation and Civil Engineering,Nantong University,Nantong 226019,China)
出处
《机电工程》
CAS
北大核心
2022年第7期996-1003,共8页
Journal of Mechanical & Electrical Engineering
基金
国家自然科学基金资助项目(62005133)
江苏高校优势学科建设工程三期项目(苏政办发〔2018〕87号)
江苏省研究生科研与实践创新计划项目(KYCX20_2823)
南通大学博士启动基金项目(2018-33)。
关键词
带式输送机
输送带跑偏特性
偏载工况
离散化处理
耦合插件
横向冲击特性
belt conveyor
deviation characteristic of conveyor belt
eccentric load conditions
discretization processing
coupling plug-in
lateral impact characteristic
