Analysis on Meshing Characteristics and Transmission Error of Elliptic Gears
Analysis on Meshing Characteristics and Transmission Error of Elliptic Gears
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椭圆齿轮啮合特性及传动误差分析
DOI：
10.1155/2020/2017218
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发表时间：
2020-12-15
影响因子：
--
通讯作者：
Dong, Zhiqiang
中科院分区：
文献类型：
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作者：
Dong, Changbin;Liu, Yongping;Dong, Zhiqiang
偏心距作为区分非圆齿轮和圆柱齿轮的重要参数，对非圆齿轮的啮合特性和传动误差有着重要的影响。为了研究椭圆齿轮的传动特性，以新型滚筒泵换向装置中的一对椭圆齿轮为研究对象。在分析椭圆齿轮传动压力角和瞬时重合度的基础上，将偏心误差引入传动误差分析模型中。分析了偏心对传动压力角、瞬时重合度和传动误差的影响，并用有限元方法验证了分析的准确性。结果表明，偏心对椭圆齿轮的传动压力角、瞬时重合度和传动误差有较大影响，而偏心误差对传动误差有较大影响。为了保证椭圆齿轮的正常啮合状态，偏心距应小于0.7071，最大瞬时重合度为1.809。研究结果可为后续的非圆直齿轮传动试验和传动误差研究提供一定的指导。
As an important parameter to distinguish noncircular gear from cylindrical gear, eccentricity is very important for the meshing characteristics and transmission error of noncircular gear. In order to study the transmission characteristics of the elliptic gear, a pair of elliptic gear in the reversing device of a new type of drum pumping was taken as the research object. Based on the analysis of the transmission pressure angle and instantaneous contact ratio of the elliptic gear, the eccentricity error was introduced into the analysis model of transmission error. The influences of the eccentricity on the transmission pressure angle, instantaneous contact ratio, and transmission error were analyzed, and the analysis accuracy is verified by the finite element method. The results show that the eccentricity has a great influence on the transmission pressure angle, instantaneous contact ratio, and transmission error of the elliptic gear, and the eccentricity error has a significant influence on the transmission error. In order to ensure the normal meshing condition of the elliptic gear, the eccentricity should be less than 0.7071, and the maximum instantaneous contact ratio is 1.809. The research results can provide some guidance for the following noncircular spur gear transmission test and transmission error research.