永磁型磁流变液联轴器的设计与研究

发布时间：2018-03-21 06:25

本文选题：磁流变液　切入点：联轴器　出处：《武汉科技大学》2011年硕士论文　论文类型：学位论文

【摘要】：磁流变液是近年来兴起的一种新型智能材料,其独特的流变特性和优良的性能,使其在传动领域的应用成为未来发展的方向。本研究的目的是利用磁流变液这种智能材料,依靠高强永磁体提供磁源,结合CQJCZ-A机械传动性能综合试验台的功能特点和联轴器的传动要求,设计开发一种抗扭冲能力强、结构简单,且具有极限扭矩的磁流变液联轴器,并且提出样机的设计方案和实验方案。本研究的主要内容包括以下内容: 1.对磁流变液和磁流变液器件的研究现状以及发展情况进行了阐述,对磁流变液的组成和性能特性等进行了研究,分析了磁流变液器件的工作模式,同时对磁流变液联轴器的两种结构形式进行了对比,确定了本设计联轴器的结构形式。在此基础上建立了该结构的数学模型,并对模型进行了分析。 2.对永磁型磁流变液联轴器的结构、磁路、实验原理方案等进行了分析设计,对样机的各种零件材料进行了初步选择,最后给绘制了样机的整体结构图。 3.对磁场的有限元分析法进行了简要阐述。建立了有限元分析的模型并进行了仿真计算,分析了影响该联轴器性能的主要参数,并最终给出了优化方案。通过分析可知,设计开发这种联轴器在理论上可行,并且在尺寸允许的范围内,传递转矩满足要求。
[Abstract]:Magnetorheological fluid (MRF) is a new kind of intelligent material, which has its unique rheological properties and excellent properties, which makes its application in the field of transmission become a future development direction. The purpose of this study is to utilize MRF as an intelligent material. A magneto-rheological fluid coupling with strong torsional impact resistance, simple structure and limited torque is designed and developed based on the magnetic source provided by the high strength permanent magnet, combined with the functional characteristics of the CQJCZ-A mechanical transmission performance comprehensive test rig and the transmission requirements of the coupling. And put forward the prototype design and experimental scheme. The main contents of this study include the following:. 1. The research status and development of magnetorheological fluid (MRF) and magnetorheological fluid (MRF) devices are described. The composition and performance characteristics of MRF are studied, and the working modes of MRF devices are analyzed. At the same time, the two types of Mr fluid coupling are compared, and the structural form of the designed coupling is determined. On the basis of this, the mathematical model of the structure is established and the model is analyzed. 2. The structure, magnetic circuit and experimental principle of permanent magnet magnetorheological fluid coupling are analyzed and designed, and various parts and materials of the prototype are preliminarily selected. Finally, the overall structure diagram of the prototype is drawn. 3. The finite element analysis method of magnetic field is briefly described, the finite element analysis model is established, the simulation calculation is carried out, the main parameters affecting the performance of the coupling are analyzed, and the optimization scheme is given. According to the analysis, the design and development of the coupling is feasible in theory, and the transmission torque can meet the requirements within the range of dimensions allowed.
【学位授予单位】：武汉科技大学
【学位级别】：硕士
【学位授予年份】：2011
【分类号】：TH133.4

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