Influence of System Parameters on Nonlinear Dynamic Characteristics of the Herringbone Gear Transmission Under Different Coincidence Degrees

The coincidence degree is an important parameter to reflect the number of meshing teeth of gear pairs at the same time. The appropriate coincidence degree of reasonable selection can improve transmission bearing capacity and ensure transmission stability, thereby improving the performance and reliab...

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Bibliographic Details
Published inJixie Chuandong Vol. 48; pp. 1 - 7
Main Authors Wang Ji, Li Zhibin, Wang Sanmin, Wang Chunling
Format Journal Article
LanguageChinese
Published Editorial Office of Journal of Mechanical Transmission 01.01.2024
Subjects
Coincidence degree
Dynamic characteristic
Herringbone gear
Nonlinear
System parameter
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Summary:The coincidence degree is an important parameter to reflect the number of meshing teeth of gear pairs at the same time. The appropriate coincidence degree of reasonable selection can improve transmission bearing capacity and ensure transmission stability, thereby improving the performance and reliability of the gear transmission system. The analysis of the influence of system parameters on system vibration characteristics under different coincidence degrees is of great significance for optimizing the transmission system performance, improving work efficiency and reducing fault risk. Combining meshing performance and dynamic characteristics of gear teeth, firstly, stiffness excitation and meshing impact excitation of the herringbone gear system are determined, and the lumped parameter method is used to establish the nonlinear dynamic model of the bending-torsion-shaft coupling of herringbone gear pairs under complex excitation source. Then, the nonlinear dynamic equations are subject to elimination of rigid bo
ISSN:1004-2539