毕业设计（论文）-四层楼电梯的PLC控制.doc

目录 毕业设计课题介绍..............................................5 四层楼电梯PLC控制及程序分析..................................7 1. 操作部分控制...................................................7 2. 逻辑分析.......................................................7 3. 硬件设计.......................................................7 4. 电梯的工作示意图...............................................8 5. 电梯的I/O接口图...............................................9 6. 四层楼电梯的情况分析...........................................9 7. PLC程序部分的小结.............................................18 电梯主要部件结构及功能介绍....................................18 1. 电梯曳引系统..................................................18 2. 控制柜........................................................31 3. 门系统........................................................34 4. 对重..........................................................37 5. 轿厢..........................................................38 6. 机械部分小结..................................................38 毕业设计总结..................................................39 参考文献......................................................40 附录 1. 四层楼电梯控制程序 2. 四层楼电梯梯形图 3. 主要零部件的装配图以及零件图 四层楼电梯设计 摘要：此次毕业设计的主要内容有两个，一个是设计出一个能够控制四层楼电梯运动的程序,根据平时所知道的,四层楼电梯分为在1层,2层,3层,4层四个楼层停靠时的其他楼层呼叫的种种情况.这其中也包括了两层同时呼叫以及三层同时呼叫.另一个主要任务是设计出电梯的几个主要部件的零件图以及装配图.其中我主要通过可编程控制器(PLC)来实现四层楼电梯的启停以及那些呼叫的情况.而在电梯的机械部分设计上,我主要将重点放在了电梯的开门机,曳引机以及控制柜上.当然,轿厢,对重这些部件的尺寸也涉及在内.我运用所学知识独立完成了四层楼电梯的机械以及电方面的设计. 关键词: 电梯,可编程控制器(PLC),开门机,曳引机,控制柜 Four building elevator design Abstract: There are two primary coverages in this graduation project, one is to design a procedure which can control this four building elevator. According to which usually knew, four building elevator divides into at one, two, three, four these four floors when other floors call all sorts of situations. This has also included two simultaneous calls as well as three simultaneous calls. Another primary mission is to design the several major components’ detail drawings as well as assembly drawings on the ele