单斗反铲挖掘机动臂设计计算说明书.doc

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1、单斗反铲挖掘机动臂设计计算说明书目录第一章绪论.....................................................................................................................................2第二章反铲挖掘机的总体设计.....................................................................................................32.1挖掘机作业过程介

2、绍........................................................................................................32.2挖掘机主要构件尺寸的确定............................................................................................42.3动臂干涉及合理性检查........................................................

3、............................................7第三章典型工况下的受力分析.....................................................................................................83.1工况1下各铰接点的受力分析........................................................................................83.1.1YZ平面上的受力分析...

4、.....................................................................................83.1.2XY平面内受力分析..........................................................................................11———————————————————————————————————————————————3.2工况2下动臂的受力分析..............................

5、................................................................123.2.1YZ平面的受力分析..........................................................................................123.2.2XY平面内受力分析..........................................................................................15第四章动臂

6、的内力图...................................................................................................................164.1工况1下的内力图..........................................................................................................164.2工况2下的内力图................................

7、..........................................................................16第五章动臂的结构设计及校核...................................................................................................185.1正应力计算与校核..................................................................................

8、...................