学位论文—-食品机械与设备课程设计.doc

食品机械与设备课程设计 200 8年 11月 2 目录 1绪论······································································································· 1 设计的目的和意义··············································································· 1 国内外的发展趋势··············································································· 1 2固定式带式输送机····················································································· 2 带式输送机原理·················································································· 2 ······································································ 2 ··············································································· 2 ··········································································· 3输送机总体结构设计计算··········································································· 3 输送机总体方案确定············································································ 3 带式输送机基本参数·············································································· 已知原始数据及工作条件·································································· 输送带的宽度及校核········································································ 带速和槽角的确定··········································································· 驱动装置······················································································· 承载段运行阻力·············································································· 空回段运行阻力·············································································· 最小张力点···················································································· 输送点上各点张力的计算·································································· 用摩擦条件验算传动滚筒分离点与相遇点张力关系································ 输送带的强度验算········································································· 传动滚筒直径的确定和滚筒强度的验算·········································