立体仓库机械结构的论文.doc

立体仓库机械结构的设计 摘要：论文针对邮包分拣存取系统的特点，通过对立体仓库中堆垛机工作环境的分析，以及对堆垛机结构的力学分析与研究，得出了适合堆垛机的特殊结构的设计方法，并由此得出最优结构参数。论文主要完成了如下几个方面的工作：（1）利用经典力学的方法，对堆垛机进行了全面的力学分析，在此基础上又展开了包括堆垛机的静刚度、动刚度、立柱强度、整体稳定性、下横梁的强度等各方面的分析，还重点就货叉机构进行了受力分析和刚度分析。（2）根据结构设计的合理性初步选择主要的结构参数，并进行校验，在校验中反复改进参数的选择，使得所选参数能够满足设计要求。着重提出了适合存取分拣邮包的货叉运行机构，力求简单轻便并且能够很好的完成存取货物时的伸缩转向功能。（3）由于堆垛机的结构设计的好坏直接影响堆垛机的运行性能，所以论文对堆垛机的结构进行了计算机辅助优化设计。利用UGNX 软件进行堆垛机的三维建模，以生动的视觉效果直观感受结构参数选择的合理性，完成了主要零部件的设计及总体装配的制图工作。根据邮政物流业的邮包尺寸与重量的现实情况，比较本文所设计的堆垛机结构的校验结果，可以看出本文设计的堆垛机完全可以胜任现实中的邮包自动化仓库中的分拣存取工作，而且结构轻便简单，易于加工。 关键词：机械设计； 堆垛机； 力学分析； 计算机辅助设计 Mechanical Design Warehouse Abstract: In this paper, by study of the features of the packet sorting system and the environment of the automated warehouse where the stacking crane works, an optimal design approach to the structure of the stacking crane and the optimal structural parameters were obtained. This thesis has finished several aspects of work as follows: (1)The classical dynamic method was used to comprehensively analyze the machine, including stationary and dynamic inflexibility, intension, stability, etc. The fork was also analyzed especially. (2)The structural parameters were elementarily chosen and checked by the rationality of structural design. The parameters were improved time after time during checking process in order to meet the demand of the design. The operating framework of the fork that fits packet sorting was proposed to make sure that the framework is simple and convenient and to accomplish the work successfully. (3)Since the structure of the machine directly affects its function, the optimal design was performed on the computer. Through making 3D model of the stacking crane by using of the UGNX software and observing the rationality of the parameters by the vivid visual effects, the design of the main parts and the entire assemblage were accomplished.According to the reality of the sizes and weights applied in postal packets logistics industry, the outcomes of the checking parameters meet t