节点外啮合行星齿轮传动若干基础理论问题研究

Planetary gear train is widely used in aeronautics and astronautics, automobiles, ships and engineering machines. The dynamic performance of the planetary gear has decisive effect on the Strength and vibration of the systems. The vibration and noise of the planetary gear are the key factors of reliability, life and operating environment of the systems.Improving machining accuracy and adding the loading sharing mechanisms are the the traditional ways to improve the dynamic performance of the system. The node external planetary gear set is proposed.Fundamental research on the node external planetary gear set will be carried out. The design principle and meshing characteristic will be studied. Parameters matching of the system will be analyzed. The methods of calculating contact strength ,bending strength and agglutinate strength of the system will be formulated. Dynamics Analysis of the node external planetary gear train will be done. The experiment of the node external planetary gear train will be developed and the results of theory and experiment will be compared. Academic achievements will develop the theory and technic of the transmission.

行星齿轮传动广泛应用于航空航天、汽车、船舶以及工程机械等各个传动领域。行星齿轮传动系统的动力学性能对整个系统的强度和振动起着决定性作用，行星齿轮传动系统的振动和噪声是影响系统可靠性、寿命及操作环境的关键因素。传统方法往往通过提高齿轮加工精度或附加均载机构来提升动力传动系统的动力学性能。本项目突破传统的节点处啮合齿轮传动常规设计方法，提出节点外啮合行星齿轮传动的新型设计思想。深入系统地开展节点外啮合行星齿轮传动的基础理论研究，构建节点外啮合行星齿轮传动基础理论与技术体系。重点研究节点外啮合行星齿轮传动参数匹配、强度计算理论、传动系统摩擦机理及动态特性等基础科学问题，建立起节点外啮合行星齿轮传动理论体系，研制出节点外啮合行星齿轮传动样机与试验装备，为我国高性能动力传动系统的研制提供新的设计方法与技术实现依据，提升我国高性能动力传动理论与技术水平。

本项目突破传统的节点处啮合齿轮传动常规设计方法，提出了节点外啮合行星齿轮传动的新型设计思想。深入系统地开展了节点外啮合行星齿轮传动的基础理论研究，构建了节点外啮合行星齿轮传动基础理论与技术体系。重点解决了节点外啮合行星齿轮传动参数匹配、强度计算理论、传动系统摩擦机理及动态特性等基础科学问题，建立了节点外啮合行星齿轮传动理论体系，研制了节点外啮合行星齿轮传动样机与试验装备，开展了节点外啮合行星齿轮传动的运转及动力学试验。