目录摘要........................................................................................................................................................IABSTRACT ......................................................................................................................................... II 前言 ....................................................................................................................................................... 3 第 1 章螺旋输送机介绍 ........................................................................................................................ 4 1.1 螺旋输送机的历史 ..................................................................................................................... 4 1 。 2 螺旋输送机的进展趋势 .......................................................................................................... 7 1 。 3 国内外螺旋输送机对比 .......................................................................................................... 8 1.4 螺旋输送机分类………………………………………………………………………………101 。 5 螺旋输送机的应用范围 ......................................................................................................... 11 第 2 章螺旋输送机的结构及工作原理 .............................................................................................. 12 2 。 1 螺旋式输送机的结构 ............................................................................................................ 12 2.1 。 1 螺旋 ................................................................................................................................. 12 2 。 1.2 轴 ..................................................................................................................................... 15 2 。 1.3 轴承 ................................................................................................................
