According to the way of actually connecting with each other , the rigid multi - body dynamical model and the dynamical model composed of some rigid bodies and some flexible bodies are set up with the multi - body system dynamical simulation software adams , many specialities of dynamic response for them are analyzed and contrasted . finally , in order to the structure fea results , some improved schemes and the most advanced optimization design method are supplied . the fea results of auxiliary gearbox are consistent with the structural disadvantages of its practical products , the mbs analyses results for knockdown transmission accord with the practical activities , the same structural disadvantages never appear in the products based on the second improved design , which is proved to be rigidly effective by the market 以某种汽车组合式变速器为研究对象,首先运用继承了参数化建模思想的pro engineer软件建立各零件的三维模型,并根据装配特征建立了各档位的装配体三维模型,同时也为后续的结构有限元分析和多体系统动力学分析提供三维模型;其次,采用结构有限元分析软件ansys对关键零部件(如副箱体)进行模态分析和瞬态动力学有限元分析;再次,以组合式变速器的实际连接方式为基础,运用多体系统动力学仿真分析软件adams建立了各档位的多刚体动力学模型和刚柔耦合多体动力学模型,研究各模型的动力响应特性并进行对比;最后,针对副箱体的有限元分析结果,提出了改进设计方案和更先进的结构优化设计方法。
常啮合式变速器: constant mesh transmission同步啮合式变速器: synchromesh transmission格式变速器: gate type gear shift式变速器: mechanical tra mi ion后置式变速器: rear-set type speed variator机械式变速器: mechanical transmission两轴式变速器: twin-shaft tra mi ion; twin-shaft transmission选择式变速器: selective tra mi ion; selective transmission预选式变速器: preselective gearbox同步啮合式变速机: synchro-mesh type transmission组合式缓速器: integrated retarder半自动坏式变速器: samt semi-automatical transmission差动式变速器套筒: differential gear shift sleeve固定轴式变速器: fixed shaft tra mi ion; fixed shaft transmission; fixedshaft transmission摩擦盘式变速器: friction disc type transmission全同步器式变速器: all synchromesh tra mi ion; all synchromesh transmission同步器式变速器: synchromesh tra mi ion; synchromesh transmission行星齿轮式变速器: epicyclic gear transmission; planetary tra mi ion; planetary transmission选择齿轮式变速器: selective gear transmission单元组合式变电站: articulated unit substation半自动换档坏式变速器: semi-automatic mechanical transmission半自动换档机械式变速器: semi-automatic mechanical tra mi ion; semi-automatic mechanical transmission半自动机械式变速器: samt semi-automatical transmission全斜齿常啮式变速器: fully co tant mesh all helical gear tra mi ion; fully constant mesh all helical gear transmission组合式驳船: integrated barge组合式背带系统: combined harness