1、 毕业设计（论文）任务书毕业设计（论文）任务书 汽车与机械工程学院机械设计制造及其自动化专业工程机械（01）班 题 目 永磁选矿机设计-振动筛设计 II 自定中心园振动筛 摘要 振动筛是选煤厂用的最多的设备之一，主要用于煤的准备筛分以及最 终筛分用，但是振动筛又是维修量比较大的设备。随着设计的逐渐完善， 自定中心园振动筛能够很好的解决这一问题。本文主要介绍振动筛在选煤 厂中的意义以及振动筛的发展现状，描述了本次设计型自定中心园振动筛 设计的计算方法依据和步骤.包括振动筛的分类与特点和设计方案的确定； 对物料的运动分析，对振动筛的动力学分析及动力学参数的计算，合理设 计振动筛的结构尺寸；进行了激
2、振器的偏心块等设计与计算，包括原始的 设计参数，电动机的设计与校核；进行了主要零部件的设计与计算，皮带 的设计计算与校核，弹簧的设计计算，轴的强度计算，轴承的选择与计算， 然后进行了设备维修、安装、润滑及密封的设计 关键词：关键词：, ,振动筛，自定中心，设计依据振动筛，自定中心，设计依据 III CIRCULAR MOTION VIBRATION SIEVE OF AUTO CENTER ABSTRABSTRACTACT Vibration sieve is one of the most widely used devices in Coal Preparation Plant. Main
3、ly used in coal preparation and the final screening with screening, But the vibrating screen is larger than the maintenance of equipment. With the gradual improvement of the design ，circular motion vibration sieve of auto center could well solve this problem. This article mainly introduced that vibr
4、ation sieve in Coal Preparation Plant significance as well as vibration sieve development present situation, described this time has designed circular motion vibration sieve of auto center design computational method basis and the step, as well as the main vibration sieve parts choice and the comparison, and showed this design characteristic. Including the classification and characteristics of vibrating screen and determination of design; on the movement of materials analysis, Dynamic ana
