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采用变频调速的门机变幅机构电气系统设计(附CAD电路电气图)

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采用变频调速的门机变幅机构电气系统设计(附CAD电路电气图)(任务书,开题报告,论文说明书11000字,CAD图7张)
摘要
本文着重对MQ4035门座起重机的电气控制系统的设计工作进行分析与讨论,通过对MQ4035门座起重机的工作特点及其控制系统的分析对比,设计出了用变频调速控制港口门座起重机变幅机构的方法,其本次设计中的主要工作如下:
(1)通过对MQ4035门座起重机工作特点的分析,介绍了在门座式起重机变幅机构中的电气控制设备,及其所需要的安全保护装置;
(2)对三相异步电动机的启动特性和其调速特性进行分析,并结合设计要求选择出了合适的启动方式及调速方式,同时对变幅机构电机进行选型;
(3)对变频器的工作原理及其工作特性进行说明,并详细介绍了变频器对三相异步电动机的调速原理,同时根据门座起重机变幅机构的工作特型及其电动机的过载能力选择了合适的变频器;
(4)对可编程控制器(PLC)的历史及其发展趋势进行介绍,并介绍了可编程控制器(PLC)的构成及工作原理,通过对当前几种可编程控制器(PLC)的分析与比较,结合本设计要求对可编程控制器进行合适的选型;
(5)详细的对MQ4035门座起重机变幅机构进行分析设计,介绍变幅机构控制系统的工作原理,对变幅机构的控制电路进行设计,同时编写可编程控制器(PLC)的梯形图,并设计其接线图,同时通过仿真软件对对程序进行模拟仿真; [资料来源:http://Doc163.com]
(6)对本设计进行环保与经济性分析。
关键词:门座起重机变幅机构;变频调速;可编程控制器;电气控制系统

Abstract
This paper focuses on the analysis and discussion of the design work of the electrical control system of MQ4035 portal crane, Through the analysis and comparison of the working characteristics of MQ4035 portal crane and its control system , The method of controlling the luffing mechanism of port gantry crane with variable frequency speed control is designed. The main work includes the following aspects:
(1) Through the analysis of the working characteristics of the MQ4035 portal crane, the electrical control equipment in the gantry crane and the safety protection device are introduced.
(2) The working characteristics of the three-phase asynchronous motor are analyzed, including the starting characteristics of the three-phase asynchronous motor and its speed regulation characteristics, and combined with the design requirements to choose the appropriate starting mode, At the same time on the variable body motor selection;

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(3) The working principle and working characteristics of the inverter are introduced, and the speed regulation principle of the three-phase asynchronous motor is introduced in detail. At the same time, according to the working characteristics of the gantry crane and the overload capacity of the motor Select the appropriate inverter;
(4) The history of programmable logic controller (PLC) and its development trend are introduced, and the structure and working principle of programmable controller (PLC) are introduced in detail. Through the analysis and comparison of several programmable controllers (PLC), the programmable controller can be selected according to the design requirements.
(5) Detailed analysis and design of the turret structure of MQ4035 portal crane, the working principle of the control system of the luffing mechanism is introduced, the control circuit of the luffing mechanism is designed, At the same time, the programmable controller (PLC) ladder diagram is written and the wiring diagram is designed, and the simulation software is simulated by simulation software.

[资料来源:http://doc163.com]


(6) analysis the design content of environmental and economic.
Key words: portal crane luffing mechanism; frequency control; programmable controller; electrical control system
  [来源:http://Doc163.com]

采用变频调速的门机变幅机构电气系统设计(附CAD电路电气图)
采用变频调速的门机变幅机构电气系统设计(附CAD电路电气图)
采用变频调速的门机变幅机构电气系统设计(附CAD电路电气图)


目录
第一章 绪论    1
1.1设计的目的及意义    1
1.2本次设计主要内容    1
第二章 MQ4035门座起重机及变幅机构的工作特性    3
2.1门座起重机的简介    3 [资料来源:www.doc163.com]
2.2 MQ4035门座起重机的工作特点    3
2.3门座起重机的电气控制要求    3
第三章 变幅机构电气元件的选型    5
3.1变幅机构电动机启动要求及选型    5
3.2变频调速特点及变频器的选型    7
3.2.1电机调速原理    7
3.2.2变频器的选型原则    7
3.2.3变频器的接线    9
3.3可编程控制器的原理及其选型    11
3.3.1 PLC的工作原理    12
3.3.2 PLC的选型    12
第四章 MQ4035门座起重机变幅机构电气线路设计    14
4.1变幅机构的电路设计    14
4.2门座起重机的安全保护    15
4.2.1门座起重机常用电气保护装置    15
4.2.2变幅机构中的保护环节:    16
第五章 变幅机构控制程序的设计及仿真    17
5.1变幅电气控制输入输出接线及其地址分配    17
5.2变幅机构电气控制PLC梯形图    21

[版权所有:http://DOC163.com]

5.3变幅机构电气控制程序仿真与分析    25
第六章 环保与经济性分析    28
6.1环保性分析    28
6.2经济性分析    28
总结    29
致谢    30
参考文献:    31
  [资料来源:http://www.doc163.com]

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