攀枝花学院本科课程设计（论文）
机械动力滑台PLC控制系统设计
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学生学号：      ************         
院 （系）：        机械工程学院         
年级专业：2011 级机械设计制造及其自动化
指导教师：                             
助理指导教师：                         
二0一四年十二月

摘要
  机械动力滑台在先进制造领域中扮演着极其重要的角。因其有着进给量稳定，慢速无爬行，高速无振动，有良好的抗冲击能力，以及没有液压驱动的管路，泄露，噪声，更便于维修的优点，而应用于我们的制造生产中，为我们生产加工零件带来了方便。
    本文通过对机械动力滑台的电气控制、PLC的设计，采用整体化的设计思路，充分考虑了软、硬件各自的特点并进行互补优化。对系统的输入输出信号的选择、PLC机型选择及各主要电器的选择都进行了最优化的选择。最后提出了一种简单、易于实现、理论意义明确的控制策略。
pulleys关键字：机械动力滑台，可编程控制器（PLC），控制电路，I/O端口

Abstract
Also known the hoist another name is winch. Vertical lifting transport machinery is an important component of the tie in with the derrick, mast, pulley blocks, and auxiliary equipment, used to enhance the materials, installation of equipment operations, from human or mechanical power-driven drum, winding traction rope to complete the installation work. Vertical, horizontal or inclined simple tractor Lifting heavy objects. Two types of the hoist are manual and electric two kinds. and Now to the main electric winch. The design of the 5-ton electric hoist motor contions electromotor 、coupling、arrester、retarder、drum、boom sheave 、a system of pulleys set、hook, etc..
The design of the drum machine because of its simple structure, handling the installation of a flexible, convenient operation, simple maintenance, and operating environment features such as adaptability, can be applied to lifting metallurgical, construction, operations and other water conservancy, but the design mainly applied to the drum machine for 5-ton overhead crane hoisting mechanism. Heavy winch upgrade is one of the main functions of the design of various types of winches are based on based on this request.
KEY WORDS: hoist，drum， drum， shaft