AGV自动导引小车的设计说明

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毕业设计

题目 AGV自动导引小车的设计

英文题目the Design of AGV Automatic Guided Vehicles

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二零一五年六月

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摘要

AGV是自动导引小车（Automated Guided Vehicle）的英文缩写。它是指电磁或光学自动导引装置的设备，能按照规定的行驶路径，并具有安全保护功能的作用。本次设计主要对自动导引小车的发展历史、种类以及小车结构设计和小车的技术参数进行说明，提出AGV导引小车设计的研究容；然后说明自动导引小车总体设计，对于传感器的选用及规格参数也进行详细的论述及说明；在自动导引小车的机械设计部分中对车轮轴和轴承的选取和校核进行了比较全面的分析，这也是本次设计的主要部分，然后再从小车的结构出发，用Pro/E对小车进行三维建模，详细伺服驱动电动机的选取，齿轮的设计与选取，还有驱动方式和车轮的选择，最后说明传感器的布置；接着对自动导引小车的驱动系统和行驶过程也进行了比较全面的分析论述，分析小车在行驶过程中的驱动力、行驶阻力、行驶的附着条件与附着率，以及主减速比的选择和电源部分选择，这些都用来提高小车的性能；最后说明本次设计的结论和展望。在目前自动化的物流系统当中，自动导引小车将能够充分发挥其高效率，高灵活性以及经济性比较好的一些优点。

【关键词】 AGV；自动导引小车；行走策略；传感器；电机驱动

Abstract

AGV is homing car (Automated Guided Vehicle) of English abbreviations. It refers to the equipment of electromagnetic or optical automatic guiding device, can drive path in accordance with the relevant provisions, and have the function of the safety protection function. This design mainly development history, kinds of automatic guided vehicles and the car structure design and technical parameters of the car, research content for the design of AGV guided the car; Then explain overall design of automatic guided vehicles for the selection of sensors and the specification parameters are also discussed in detail and instructions; In the mechanical design of the automatic guided vehicles parts and check the selection of car axle and bearing has carried on the comprehensive analysis, it is also the main part of the design, and then from the structure of the car, car in Pro/E 3 d modeling, detailed selection of servo motor, gear design and selection, and drive mode and the choice of the wheel, and pointed out the arrangement of sensors; Then the drive system and the driving process of automatic guided vehicles is also carried on the comprehensive analysis, this paper analysis the car in the

driving force in the process of driving, driving resistance, adhesion conditions of road and adhesion rate, as well as the selection of main reduction ratio and the power part, these are used to improve the performance of the car; Finally, the conclusion and outlook of the design are described. In the current logistics system of automation, automatic guided vehicles will be able to make full use of its high efficiency, high flexibility and economy better some advantages.

【Key words】AGV; automatic guided vehicle; walking strategy; sensor motor drive