振动给料机料斗动力特性分析与参数优化设计研究

发布时间：2018-10-16 19:51

【摘要】：随着工业技术的迅速发展,振动给料斗作为新型破拱给料设备——活化给料机的核心,由于其具有结构简单、安装操作容易、运行可靠、给料连续均匀、破拱能力强等优点,在煤炭、化工、冶金等行业中得到了广泛的应用。但活化给料机运行过程中自身零部件结构设计是否合理对给料性能有很大的影响,因此对其动力学建模分析与参数优化研究具有重要的理论意义和实际应用价值。本论文在借鉴相关给料机设计的基础上设计了一套全新的振动给料系统。经过全新设计后在往皮带传送机上装卸物料时消除了物料飞溅的现象,显著提高了大型物料堆场的输送效率,具有实际的应用价值。所取得的研究成果在国内外的煤炭行业中加以推广应用,必将会带来直接的经济效益和社会效益。本文以平面范畴内运动的惯性平旋型椭圆活化给料机系统为例,着重研究了给料系统中振动给料斗的动力学建模、动力学计算分析以及优化设计等问题。本文首先建立了活化给料机系统的动力学模型,将其简化为弹簧—质量系统,在深入研究活化给料机工作原理的基础上,从理论上去展开活化给料机系统的动力学特性的研究工作,包括建立其系统的振动方程以及相关理论数据的计算。其次,在相关理论数据计算的基础上,基于三维建模软件Pro/E进行活化给料机的三维建模工作,再借助于有限元分析软件ANSYS研究活化给料机系统复杂的动力学特性,掌握其固有特性及动力学响应。然后,在物料的运动过程中建立活化给料机的动力学模型,建立物料运动过程中振动系统的动力学方程,研究其动力学特性以及在给料过程中影响给料性能的参数,供后续章节的参数优化分析使用。最后,基于仿真优化软件MATLAB对活化给料机进行相应的参数优化设计,对原有的设计参数进行相应的改善并得出组合最合理的设计参数,使其给料性能更加完善。
[Abstract]:With the rapid development of industrial technology, the vibrating feed hopper is the core of the new type of broken arch feeder, which has the advantages of simple structure, easy installation and operation, reliable operation, uniform feeding, strong ability of breaking arch, etc. However, whether the structural design of its components is reasonable or not has a great influence on the feed performance during the operation of the activated feeder. Therefore, it is of great theoretical significance and practical application value to study the dynamic modeling and parameter optimization of the activated feeder. After the new design, the splashing phenomenon is eliminated when loading and unloading the material on the belt conveyer, and the conveying efficiency of the large material yard is improved obviously, which has practical application value. The research results obtained in the coal industry at home and abroad will be popularized and applied, which will bring direct economic and social benefits. Taking the inertial flat rotation elliptical activated feeder system as an example, the dynamic modeling, dynamic calculation and analysis and optimization design of the vibrating hopper in the feed system are studied in this paper. In this paper, the dynamic model of the activated feeder system is established, which is simplified as a spring-mass system. On the basis of in-depth study of the working principle of the activated feeder, The research work on the dynamic characteristics of the activated feeder system is carried out theoretically, including the establishment of the vibration equation of the system and the calculation of the related theoretical data. Secondly, on the basis of the relevant theoretical data calculation, the 3D modeling work of activated feeder is carried out based on the 3D modeling software Pro/E, and the complex dynamic characteristics of the activated feeder system are studied by means of the finite element analysis software ANSYS. Master its inherent characteristics and dynamic response. Then, the dynamic model of activated feeder is established in the process of material movement, and the dynamic equation of vibration system in the process of material movement is established. The dynamic characteristics of the system and the parameters that affect the feed performance in the process of feeding are studied. For parameter optimization analysis in subsequent chapters. Finally, based on the simulation optimization software MATLAB, the parameters of the activated feeder are optimized, the original design parameters are improved and the most reasonable design parameters are obtained, which makes the feed performance more perfect.
【学位授予单位】：东北大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TH237.1

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