【作者】 杨鹏；

【导师】 邱长华；

【作者基本信息】 哈尔滨工程大学 ， 机械制造及其自动化， 2007， 硕士

【摘要】 液压升降平台载重大，维修方便，运动平稳可靠，形式多种多样，可以适用于许多不同的工作环境。而升降平台是其最大、最重要的构件，对升降平台进行动力学仿真和强度分析，可以验证设计方案的可行性及结构设计的正确性，为物理样机的制造提供参数依据。产品机械性能上的基本要求有两个，即强度和刚度。CAE技术提供了强大的分析功能，对模型进行有限元分析，即可得到任意结点的应力、应变情况，从而为优化结构布局，提供了可靠依据。本文首先使用SolidWorks软件进行实体建模，然后利用ADAMS软件提供的数据接口把模型导入ADAMS中，并根据各连接处实际运动情况对其添加约束、力和驱动，对升降平台进行动力学仿真，得到升降平台的速度、位移、加速度以及连接处接触力曲线。对计算结果进行了评价，提出了结构改进的合理化建议。在ANSYS软件中，根据模型实际尺寸建模，按照有限元分析(FEA)的基本步骤，对升降平台进行了静强度有限元分析，以了解平台静应力、强度、振动模态的情况，找出薄弱部位，为结构的进一步优化提供依据。本文利用动力学仿真技术与有限元法对升降平台分析所得的结果与方法，在实际工作中，可提高计算的准确度、效率，缩短了产品设计周期，提高产品质量和可靠性。更多还原

【Abstract】 Hydraulic elevator which has various forms has the predominance of loading heavy products, operating stably and reliably and servicing conveniently. Thus, it can be used in different working environment. Platform is not only the biggest but the most important component. The dynamic simulation and strength analysis of the platform can verify feasibility of the project which provides the basis for manufacturing the physical prototype.The strength and rigidity are two basic requirements for the mechanical capability of products. The technology of CAE has offered powerful analysis function to carry out FEA analysis for model. Through that result we could get the stress and strain of any point as to provide the reliable information to optimize the layout of the structure.Firstly, the model was created in SolidWorks software; secondly, the model is transferred to the ADAMS envmonment according the data interface the software provided; thirdly, constraint force and drive were added according to real motion. Carrying through dynamics simulation to get displacement, velocity, acceleration and contact force curve. By evaluating the calculated results, the reasonable suggestions were given for improving the structure. With software of ANSYS, according as actual size to model, and according to the basic step of FEA, a FEA of static strength of elevator is made in order to get the information about the platform such as static stress, rigidity, mode of vibration. By comparing and evaluating the calculating result, we proposed the reasonable suggestions for improving the structure.Results and methods for elevator are got by FEM and dynamics simulation technique. It can not only improve calculated accuracy, efficiency, but also shorten product design cycle. Product quality and reliability are improved.更多还原