50 10t桥式起重机大车运行机构及整体结构的设计

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1、1绪论·······························································1.1桥式起重机的介绍·············································1.2桥式起重机设计的总体方案·····································1.2.1主梁和桥架的设计··············································1.2.2端梁的设计····················································

2、2小车机构的设计···············································2.1小车主起升机构的计算·······································2.1.1确定机构传动方案··············································2.1.2小车车轮与轨道的选择及其强度校核······························2.1.3运行阻力运算··················································2.1.4选择电动机·······

3、·············································2.1.5验算电动机的发热条件··········································2.1.6减速器的选择··················································2.1.7验算运行速度和实际所需功率···································2.1.8验算起动时间··················································2.1.9起动工况下校核减速器功率·

4、·····································2.1.10验算启动不打滑条件···········································2.1.11选择制动器··················································2.1.12选择联轴器··················································2.1.13浮动轴的验算················································2.1.14缓冲器的选择······

5、··········································2.2小车副起升机构的计算·······································2.2.1确定机构传动方案··············································2.2.2小车车轮与轨道的选择及其强度校核······························2.2.3运行阻力运算··················································2.2.4选择电动机····················

6、································2.2.5验算电动机的发热条件··········································2.2.6减速器的选择··················································2.2.7验算运行速度和实际所需功率···································2.2.8验算起动时间··················································2.2.9起动工况下校核减速器功率··············

7、························2.2.10验算启动不打滑条件···········································2.2.11选择制动器··················································2.2.12选择联轴器··················································2.2.13浮动轴的验算··············