皮带

2.13.4拉紧装置选择 ............................................................................................................... 21 2.14托辊 ...................................................................................................................................... 21 2.14.1 托辊的作用与类型 ...................................................................................................... 21 2.14.2托辊间距 ....................................................................................................................... 22 2.15联轴器 .................................................................................................................................. 22 2.16电气及安全保护装置 .......................................................................................................... 23 2.17清扫装置 .............................................................................................................................. 23 2.18机架与中间架 ...................................................................................................................... 24 3输送机胶带跑偏 ........................................................................................................................... 26 3.1原因 ........................................................................................................................................ 26 3.2改进措施 ................................................................................................................................ 26 4制动装置 ....................................................................................................................................... 27 4.1 制动装置的作用 .................................................................................................................... 27 4.2带式逆止器 ............................................................................................................................ 27 5设计小结 ....................................................................................................................................... 28 6 参考文献 ...................................................................................................................................... 29 7致谢 ............................................................................................................................................... 30 8外文资料 ....................................................................................................................................... 31