1、 I 题目:矿用刮板输送机设计 摘 要 刮板输送机是矿山运输机械的重要组成部分。刮板输送机的设计制造涵 盖了运动转换、动力传输、变速机构、铸锻件结构设计等机械设计与制造工 艺内容。经过分析,选择刮板输送机作为我们的毕业设计选题,能够比较全 面的运用所学习知识和技能,对我们的所学知识进行概括总结,对我们的综 合应用知识能力进行一次强化训练并获得提升,都是有益的。 主设计主要研究问题有:矿用刮板输送机的型式与性能比较、矿用刮板 矿输送机的整体选型,设计出具有实际应用要求的产品。通过这次设计,锻 炼了自己调研分析、加工与整理、运用工具手册的能力,初步掌握了机械工 程设计程序、方法和技术规范,提高工程
2、设计计算、理论分析、图表绘制、 技术文件编写的能力。 关键词关键词: 刮板;输送机;矿山机械;输送机械。 II Abstract Mine scraper conveyor is an important component of transport machinery. Design and manufacture of conveyor covers the movement conversion, power transmission, transmission organizations, casting and forging and other mechanical design
3、content design and manufacturing process. After analysis, the choice of scraper conveyor as our graduation project topic, to a more comprehensive study and apply the knowledge and skills learned in our knowledge summarized on our ability to conduct a comprehensive application of knowledge and access
4、 to intensive training promotion, are beneficial. The main design of the main research questions are: mine conveyor type and performance comparison, mining ore conveyor scraper overall selection, design a practical application requirements. With this design, exercise their research and analysis, pro
5、cessing and finishing, the ability to use manual tools with which the mechanical engineering design procedures, methods and technical specifications to improve the engineering design calculations, theoretical analysis, graphing, the ability to write technical documents . KeyKey words:words: scraper;
6、 conveyor; mining machinery; transportation machinery. III 目 录 摘 要 . I Abstract . II 1.绪论 1 1.1 选题意义 . 1 1.2 刮板输送机概述 2 1.3 国内外发展情况 3 1.4 刮板输送机的发展趋势 6 1.5 刮板输送机改进 7 2.刮板输送机分类及作用 8 2.1 刮板输送机的分类 . 8 2.2 刮板输送机作用 14 3.刮板输送机组成及作用 15 3.1 组成部分 15 3.2 机头传动部和机尾传动部 . 16 3.3 机身结构 22 3.4 过渡槽 23 3.5 中部槽、调节槽 25 3.6 刮板链及调节链 26 3.7 挡板 27 3.8 铲煤板 29 3.9 机头推移部和机尾推移部 . 30 4.刮板输送机设计计算 30 4.1 刮板输送机输送能力的计算 . 30 4.2 刮板输送机运行阻力的计算 . 32 4.3 刮板输送机链条张力和牵引力的计算. 35 4.4 刮板输送机电机功率的计算 . 37 4.5 圆环链的选择计算 . 39 4.6 链条预张力和紧链力