基于PLC的皮带运输系统监控设计（全套）2012本科毕业设计

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基于PLC的皮带运输系统监控设计（全套）2012本科毕业设计ABSTRACT

Transmission belt machines occupy a very important position in many businesses， but its control unit is variety，there is a difference between the performance and functionality. The traditional relay control of the transmission belt has complex circuits exist， poor reliability， fault diagnosis and rule out the difficulties shortcomings， in order to achieve the economic benefits of good corporate and social economic benefits，by using user-friendly，practical，strong PLC ladder (LADDER DIAGRAM) programming language on the belt transmission control system design.
The topic is introduced the apply for Series C Omron PLC in four paragraphs belt transmission system of control，it is given the hardware and software design of the PLC control belt transmission systems，including the PLC Selection，I/O address assignment， I/O terminal wiring，programming and control theory. The design of the equipment improve the reliability of equipment and reduce the failure rate，it has been successful.



Keywords：PLC；Ladder；Transmission belt machine；Automatic control; Supervisory equipment


目 录

摘 要..................................................................................................................................Ⅰ
Abstract................................................................................................................................Ⅱ
第1章 绪 论.. .1
1.1 研究现状和研究意义...1
1.1.1国内外皮带运输机的研究现状.....1
1.1.2国内外运皮带运输机的技术的差距......1
1.2 课题的研究目的......................................................................................................3
1.3研究内容..................................................................................................................3
1.4技术路线...................................................................................................................4
第2章PLC控制系统及程序的设计..............6
2.1 PLC的结构及工作原理..........................................................................................6
2.1.1 PLC的结构......6
2.1.2 PLC的工作原理......8
2.2 系统设计的基本要求...........................................................................................10
2.3 系统设计的基本步骤............................................................................................11
2.4系统构成.................................................................................................................13
2.5工艺要求.................................................................................................................15
2.6 本章嗅................................................................................................................16
第3章 系统设备的选型...............................................................................................16
3.1可编程控制器的特点..17
3.2本设计采用的 PLC....17
3.3 电动机.......17
3.4 皮带运输机...20
3.5 其他....20
3.6本章嗅.....27
第4 章系统控制方案.....28
4.1控制点的统计与描述.28 4.2 程序过程说明....30
4.3 系统整体运作介绍.....31
4.4 本章嗅......33
结论......................................................................................................................................34
参考文献.............................................................................................................................35
致谢......................................................................................................................................37
附录......................................................................................................................................38

第1章 绪 论

1.1研究现状和研究意义
1.1.1国内外皮带运输机的研究现状
国外在带式输送机动态分析研究方面开展得比较早，动态分析理论与研制的软件已基本能够满足当前带式输送机发展之需；而我国相对较晚，与国外相比还存在-定的差距，尤其是动态分析软件部分。为了眷弥补这-差距，赶超世界水平，有必要研究和分析当今国外带式输送机的动态分析软件。国外动态分析软件目前，美国、法国、澳大利亚、意大利等国家在动态分析研究方面，已经达到国际领先地位
我国生产制造的上运带式输送机的品种、类型较多。在八五”期间，通过国家-条龙日产万吨综采设备”项目的实施，带式输送机的技术水平有了很大提高，煤矿井下用大功率、长距离带式输送机的关键技术研究和新产品开发都取得了很大的进步。如大倾角、长距离带式输送机成套设备、高产高效工作面顺槽可伸缩带式输送机等均填补了国内空白，并对带式输送机的主要元部件进