振动筛设计实例分解.doc

振动筛设计实例分解新式惯性振动筛整体设计目录1绪论.........................................................11.1序言.....................................................11.2振动筛的用途和组成........................................11.3国内外筛分机械的发展大要.................................2外国发展大要.........................................2国内发展大要.........................................21.4筛分机械发展方向.........................................3深入研究新的筛分理论和技术...........................3引入现代化的设计手段，采用新资料、新技术、新工艺.....4研制和实行振动机械专用轴承............................4向标准化、系列化、通用化发展..........................4加强筛机技术参数......................................5不断扩大筛机应用领域.................................52整体设计.....................................................52.1设计总则.................................................52.2整体方案的确定...........................................5运动学参数的设计与计算...............................5动力学参数的设计计算.................................6电机的选择与计算.....................................6对主要部件设计和强度校核.............................62.3基本构造及工作原理.......................................6基本构造.............................................6工作原理.............................................6直线振动筛的动力学解析...............................72.4筛面规格的确定和办理量的计算............................10筛面规格的确定......................................10办理量的解析........................................103运动学参数的设计与计算......................................133.1运动学参数的确定........................................13/3.1.1筛箱振幅...........................................13振动频率............................................13振动强度k...........................................14抛射强度kv..........................................14筛箱倾角............................................14振动方向角..........................................144动力学参数..................................................144.1参振质量的计算..........................................144.2弹簧刚度的计算..........................................155主要部件的设计计算与校核....................................165.1弹簧的尺寸设计与强度校核................................16圆柱型橡胶弹簧的计算................................16弹簧强度校核........................................195.2独爱块的设计............................................19轴颈的估计..........................................19独爱块的设计........................................205.3筛箱的构造设计..........................................22筛面规格的确定及固定方式............................22侧板的设计..........................................23筛框横梁的设计与校核................................25筛箱横撑的设计......................................275.4电动机的计算选择........................................28电机的选择..........................................28电动机功率N的计算..................................28启动转矩的校核......................................295.5轴承的选择..............................................30轴承的受力解析......................................30轴承的计算与选择....................................31轴承寿命的校核......................................325.6轴的构造设计与强度验算..................................33轴的构造设计........................................33轴的强度校核........................................345.7联轴器型号的计算选择....................................375.8键的选择与校核..........................................37键的选择............................................37键的校核............................................3854 第2 页6筛箱重心计算................................................396.1坐标系的建立............................................396.2重心计算公式:...........................................397筛分机工作效率的影响因素....................................417.1影响因素................................................42物料的性质..........................................42筛面的运动特点和筛面构造............................43操作管理............................................458振动筛的使用与保护..........................................458.1振动筛的安装、调整与试运转..............................458.2振动筛的操作、保护与检修................................46操作................................................46保护................................................46检修................................................478.3振动筛的安全技术........................................479现代设计方法在振动筛设计中的应用............................489.1归纳....................................................489.2振动筛筛箱质心的计算....................................499.3振动筛的构造强度解析.....................................49参照文件.....................................................51154 第3 页1 绪论1.1序言在好多情况下，振动是一种有害的现象。

但在某些场合，振动倒是有利用。