双齿辊破碎机毕业设计.doc

双齿辊破碎机毕业设计

中国矿业大学成人教育学院2011届毕业设计

目录

1概述.......................................................31.1破碎理论...................................................31.1.1表面理论...............................................31.1.2体积理论...............................................41.1.3裂缝理论...............................................41.2一般破碎机械...............................................51.3齿辊破碎机的发展..........................................101.3.1九十年代前的齿辊式破碎机..............................101.3.2九十年代后的齿辊式破碎机..............................111.3.3国外的齿辊式破碎机....................................132齿轮破碎机的详细参数.........................................142.1破碎机的技术参数...........................................142.2总体结构和布局设计.........................................142.3工作参数的确定.............................................152.3.1辊子中心距的确定.......................................152.3.2辊子转速的确定.........................................162.3.3辊子长度的计算.........................................162.3.4功率计算...............................................172.3(5齿辊切向力的计算......................................172.4电机的选择.................................................192.4.1选择电动机的综合问题...................................192.4.2电机的选择计算.........................................202.5同步齿轮的设计.............................................202.6齿辊轴的设计...............................................252.6.1破碎辊(1)轴的设计....................................252.6(2破碎辊(2)轴的设计...................................282.7键的选择与校核.............................................312.7.1齿环与轴的联接键.......................................312.7.2同步齿轮与轴的联接键...................................312(7.3半联轴器与轴的联接键................................322.8齿环和齿帽的设计...........................................332.8.1齿帽的设计.............................................33

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中国矿业大学成人教育学院2011届毕业设计

2.8.2齿环的设计.............................................332.9轴承的选择