机械5

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设计选题，能够比较全面的运用所学习知识和技能，综合应用机械设计的分析计算、结构选择、绘图技能和机械制造基础知识，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。 本设计以煤矿实际运输条件为依据，以训练提高综合设计能力为目的，在设计中尽可能采用新的设计思想和设计方法，选择更加合理的结构和技术参数，力争提高刮板输送机质量，降低生产成本，在充分吸收学习现有的刮板输送机设计经验的基础上，参考有关设计资料，查阅《机械设计手册》等工具书，按照机械工程设计程序、方法和技术规范进行设计。 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、减速器的优化、刮板链的设计、液力耦合器的选型等，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，提高工程设计计算、理论分析、图表绘制、技术文件编写的能力。 关键词：刮板输送机；矿山运输机械；链轮；链环 ABSTRACT Scraper co
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nk 目录 1概述1 1.1刮板输送机的发展趋势1 1.2刮板输送机类型分类1 1.3刮板输送机的主要特点1 2刮板输送机工作原理及主要部件的结构2 2.1刮板输送机基本组成结构及简单工作原理2 2.2矿用刮板输送机结构要求2 2.3机头部3 2.4机头架3 2.5链轮组件3 2.6减速器3 2.7盲轴4 2.8联轴器4 2.9电动机5 2.10机尾部5 2.11中部槽及附属部件5 2.12刮板链7 2.13推移装置9 2.14锚固装置9 3刮板输送机的设计校核10 3.1总体设计要求10 3.2总体方案的确定10 3.3运输能力10 3.4链条的选取和刮板的设计11 3.5运行阻力及牵引力的计算12 3.6电动机功率的确定与选择15 3.7链轮的转速15 3.8刮板链强度的验算16 4减速器17 4.1传动系统的确定17 4.2传动比的分配17 结束语19 参考文献20 致谢21