太原科技大学本科生毕业设计(说明书)液压挖掘机液压系统设计HydraulicExcavatorHydraulicSystemofDesign学院(系):机械工程学院专业:机械设计制造及其自动化(液压)学生姓名:简立瑞学号:200812030134指导教师:魏聪梅评阅老师:完成日期:········································································IAbstract·························································································································134工作装置的设计···························································································································································································································································································································································································································221斗杆液压缸的设计·············································222铲斗液压缸的设计·············································303各液压缸的参数·········································································································································································································································································································································386热平衡验算·······························································397结论42参考文献43致谢44液压挖掘机液压系统的设计摘要单斗挖掘机是一种重要的工程机械,广泛应用于房屋建筑、筑路工程、水利建设、农林开发、港口建设、国防工事等的土石方施工和矿山采掘工业中,对减轻繁重的体力劳动、保证工程质量、加快建设速度、提高劳动生产率起着十分巨大的作用。随着国家经济建设的不断发展,单斗挖掘机的需求量将逐年大幅度增长,其在国民经济建设中的作用将越来越显著。近年来,有关挖掘机液压系统方面的文献并不少
液压挖掘机液压系统设计设计说明 来自淘豆网m.daumloan.com转载请标明出处.
