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行星齿轮机构运动学分析软件的设计与开发

发布时间:2018-11-03 14:00
【摘要】:行星齿轮传动以其结构紧凑、承载能力强、传动比大、运动平稳和传动效率高等众多优点得到了广泛的应用。在行星齿轮传动的机构设计及分析过程中,,运动学分析和传动效率的计算均是一项重要的内容。本文在深入研究解决行星齿轮传动运动学分析和传动效率计算的分析几何法的基础上,采用划分基本回路的方法,对行星齿轮机构构型进行了系统化构造,从而准确地表达了行星齿轮机构的拓扑关系;选取Visual C++6.0作为开发工具,按照软件开发的一般流程,确定了拟实现的软件功能;根据程序界面的设计原则,结合课题的实际情况,完成软件程序界面的开发,实现了行星齿轮机构运动学分析软件的设计过程。 通过逻辑化的表达方式,简化了行星齿轮机构运动学的分析几何法运动学方程表达式,并将之应用于软件的实际编程;最终生成可独立运行的行星轮系和差动轮系的运动学分析软件,运用软件的数值计算模块和回路关系图分析模块功能,对单自由度行星齿轮机构和双自由度差动行星齿轮机构进行了计算及分析,得出其各运动学量数值并完成回路关系图的绘制与分析,并将数值计算结果与理论公式计算结果、分析几何法计算结果进行三者对比验证,得出结果完全一致,从而验证了分析几何法及所编软件在解决行星齿轮机构运动学分析上的准确性与可靠性,系统化、程序化的实现了行星齿轮机构的运动学分析;此外,行星齿轮传动的效率计算也是较为繁琐的,通过软件可以简化这一过程。 通过实例将软件分别应用于NGW、WW、NGWN型三种机构的设计及分析阶段,对其进行运动学分析,得到各项数值计算结果,应用软件回路关系图分析功能考察了机构的演变趋势,并最终确定构型;同时利用所得结果结合分析几何法完成机构传动效率的计算,结果证明软件可以简化行星齿轮机构的设计及分析过程;最后讨论了常见行星齿轮机构的运动学分析结果,方便设计人员在整体上把握各种不同构型的特点,从定性的角度直观的对各种机构进行横向对比,显示出方便、快捷、实用的特点。
[Abstract]:Planetary gear transmission has been widely used because of its compact structure, strong bearing capacity, large transmission ratio, stable movement and high transmission efficiency. Kinematics analysis and the calculation of transmission efficiency are important contents in the design and analysis of planetary gear transmission mechanism. On the basis of deeply studying the kinematics analysis of planetary gear transmission and the calculation of transmission efficiency, this paper uses the method of dividing the basic circuit to systematize the configuration of planetary gear mechanism. Thus the topological relation of planetary gear mechanism is accurately expressed. Visual C 6.0 is selected as the development tool, according to the general process of software development, the software functions to be realized are determined. According to the design principle of the program interface and the actual situation of the project, the development of the software program interface is completed, and the design process of the kinematics analysis software for the planetary gear mechanism is realized. The analytic geometric kinematic equation expression of planetary gear mechanism kinematics is simplified by means of logical expression, and it is applied to the actual programming of software. Finally, the kinematics analysis software of planetary gear train and differential gear train that can operate independently is generated, and the function of numerical calculation module and loop relation diagram analysis module is used. The single degree of freedom planetary gear mechanism and the double degree of freedom differential planetary gear mechanism are calculated and analyzed. The kinematics values are obtained and the circuit diagram is drawn and analyzed, and the numerical results are compared with the theoretical formulas. The calculated results of the analytic geometry method are compared with each other, and the results are completely consistent, thus verifying the accuracy and reliability of the analytic geometry method and the software in solving the kinematics analysis of the planetary gear mechanism. The kinematics analysis of planetary gear mechanism is realized programmatically. In addition, the calculation of the efficiency of planetary gear transmission is also more complicated, which can be simplified by software. The software is applied to the design and analysis stage of three kinds of NGW,WW,NGWN mechanisms through examples. The kinematics analysis is carried out, and the numerical results are obtained. The evolution trend of the mechanism is investigated by using the function of software loop diagram analysis. And finally determine the configuration; At the same time, the transmission efficiency of the mechanism is calculated by combining the results with the analytic geometry method. The results show that the software can simplify the design and analysis process of the planetary gear mechanism. Finally, the kinematics analysis results of common planetary gear mechanism are discussed, which is convenient for designers to grasp the characteristics of different configurations as a whole. A practical feature.
【学位授予单位】:重庆大学
【学位级别】:硕士
【学位授予年份】:2012
【分类号】:TP311.52;TH132.425

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