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1、分类号：TH122 密 级：公 开UDC： 单位代号：10424学 位 论 文带式输送机高速托辊的研究与应用分析 刘 振申请硕士级别：硕士学位 专业名称：机械电子工程指导教师姓名：包 继 华 职 称：副 教 授山 东 科 技 大 学二一一年五月论文题目：带式输送机高速托辊的研究与应用分析作者姓名： 刘 振 入学时间：2008年9月专业名称：机械电子工程 研究方向：机电控制与生产过程自动化指导教师： 包 继 华 职 称： 副 教 授 论文提交日期：2011年5月论文答辩日期：2011年6月授予学位日期：2011年 月 日RESEARCH ON THE HIGH-SPEED IDLER OF TH
2、E CONVEYORA Dissertation submitted in fulfillment of the requirements of the degree ofMASTER OF PHILOSOPHYfromShandong University of Science and TechnologybyLiu ZhenSupervisor: Associate Professor Bao Jihua College of Mechanical and Electronic EngineeringMay 2011声 明本人呈交给山东科技大学的这篇硕士学位论文，除了所列参考文献和世所公认
3、的文献外，全部是本人在导师指导下的研究成果。该论文资料尚没有呈交于其它任何学术机关作鉴定。 硕士生签名： 日 期：AFFIRMATIONI declare that this dissertation, submitted in fulfillment of the requirements for the award of Master of Philosophy in Shandong University of Science and Technology, is wholly my own work unless referenced of acknowledge. The docum
4、ent has not been submitted for qualification at any other academic institute. Signature: Date:山东科技大学硕士学位论文 摘 要摘 要本文论述了大型带式输送机用托辊技术的研究应用现状，综合托辊产品技术的研究成果，将新型的密封技术、轴承产品以及先进的制造与装配工艺等应用于托辊研制中，提出了适用于高速带式输送机用的新型托辊装置。在分析托辊各部分结构的基础上，根据带式输送机与托辊的运动关系建立了托辊装置的运动模型，通过对运动模型的分析，得到了在带式输送机正常运行过程中，托辊的主轴、管体、密封结构、轴承、轴承座
5、等结构在带速提高的情况下，需要解决的问题。本文对比分析了目前市场上多种托辊产品，结合托辊相应试验结果，针对要解决的关键问题对各部件分别提出了改进设计与选型思路；基于高速带式输送机的运行状况设计了密封可靠、噪声小、低能耗的高速托辊装置，并对高速托辊各部件的材料与结构做了最优匹配设计。根据托辊装置的工作原理和技术要求指出了托辊的先进加工与装配工艺，先进制造与装配工艺确保主轴、轴承座的同轴度、管体的圆度达到最佳，大大减小了托辊的径向跳动量，为有效解决带式输送机在高速运行工况下出现的纵向谐振问题做技术准备。最后参考国家标准中托辊的技术条件分别针对托辊的旋转阻力、浸水密封性能、径向圆跳动、轴向载荷等各性
6、能进行高速工况下的试验；参考煤矿井下用聚合物制品阻燃性的标准对管体进行酒精喷灯和酒精灯燃烧试验，并对试验数据进行分析，结果表明新型的高速托辊装置能够满足高速运行条件，并且阻力系数明显降低，为高速带式输送机的研发提供了条件。关键词：带式输送机，高速托辊，密封，旋转阻力，径向圆跳动ABSTRACTThe paper depicted research and application status of the idler technology used in large belt conveyors. A new type idler equipment with new sealing syst
7、em, differential rolling bearing and advanced processing-craft was designed to adept to the high-speed belt conveyors.The construction of the idler was analyzed, and the moving model for the idler was established based on the relation between the idler and the belt. Through analysis on the model, th
8、e key problems for improving the construction including the sealing, the tube, the shaft, the bearing and the bearing house were known when the velocity was increased. Whats more, several different kinds of the idlers were analyzed, Comparing the experiment results, the constructions were redesigned
9、 and chosen, the new idler was established based on the belts operation, which is reliable, small-noise, low-consumption. Synthesizing the material and the constructions made us aim to the optical design, finishing the preparation for solving the longitudinal resonant problems in high-speed operatio
10、n effectively.Processing-craft and assembling-craft for the high-speed Idler was designed according to the working principle of the idler device, which make the shaft, the bearing house, the tube excellent, ensure the concentricity and circularity, decreasing the run-out of the idler.At last, the ex
11、periments of the rotating resistance, the run-out, the water-sealing and the load-bearing in high-speed operation were finished according to the national criteria of the idlers technology, and the burning experiments with the alcohol lamp and alcohol blast burner, were finished according to the nati
12、onal criteria on the flame retardancy of polymer products under the coal mine. The experiment results and the simulation showed that the device could achieve high-speed belts operational requirement, the rotating coefficient decreases obviously, which insure the conveyor working under our processes
13、fixed in advance.Keywords: belt conveyor, high-speed idler, the sealing, the radial run-out, rotating resistance山东科技大学硕士学位论文 目 录目 录1 绪 论11.1 选题背景及研究意义11.2 国内外研究现状31.3 课题研究的主要内容62 带式输送机托辊介绍及其运动分析72.1 带式输送机托辊的结构与种类72.2 带式输送机托辊的性能参数112.3 带式输送机托辊的运动分析142.4 本章小结213高速托辊的方案设计223.1高速托辊的总体方案223.2 密封结构的设计243.3 轴承的分析与选型273.4 其他结构的设计313.5 本章小结334 高速托辊的生产制造工艺研究344.1 托辊工艺与性能的影响分析344.2 高速托辊的加工工艺分析364.3 高速托辊的装配工艺分析434.4 本章小结455 高速托辊的试验465.1 高速托辊的性能试验465.2 高速托辊材料的燃烧试验495.3 本章小结536 结论与展望546.1 主要结论546.2 工作展望54致 谢55参考文献56硕士期间发表学术论文59
