三人行图纸

目 录 摘要············································································Ⅰ ABSTRACT·············································································Ⅱ 目 录··········································································Ⅲ 第1章 前言···············································································1 1.1 清扫机的现状和发展前景····························································1 1.2 清扫设备的概述········································································2 1.2.1 清扫设备的分类··································································2 1.2.2 我国清扫机械的发展趋势···················································2 1.2.3 发现的问题和解决途径·························································3 1.3 课题需要完成的任务···································································4 1.3.1 设计主要内容·······································································4 1.3.2 设计工作基本要求···································································4 第2章 总体方案设计·································································6 2.1 设计主要技术要求···········································································6 2.2 总体方案的确定·······························································6 第3章 动力装置的确定························································10 3.1 蓄电池的选择·······································································10 3.2 电动机的选择··········································································11 第4章 清扫机的结构设计···················································13 4.1 传动比的分配············································································13 4.2 带轮的选择设计·······································································14 4.2.1 主轴带轮的设计计算·····················································14 4.2.2 Ⅰ—Ⅱ轴带轮的设计计算············································18 4.2.3 Ⅲ—Ⅳ轴的带轮设计·····················································21 4.3 主轴的设计计算········································································22 4.3.1 主轴的结构设计·····················································22 4.3.2 轴的校核·········································································24 4.3.3 键的校核··········································································27 4.4 锥齿轮的计算·································································27 4.4.1 锥齿轮的计算·································································27 4.4.2 锥齿轮的校核计算··························································32 4.5 车架的设计计算······································································33 结论·····················································································35 参考文献·················································································36 致谢·············································································37 附件1···················································································38 附件2···········································································49

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