Abstract
Based on Lagrange's equation, the translational-torsional coupled nonlinear dynamic model of two stage planetary gears was established considering backlash, time-varying mesh stiffness and its phase difference, gear mesh composite errors, time-varying planet wheel position angle, and torsional and bending stiffnesses of connectors among different stages. According to the relationship among torques of connection shafts and vibration displacements of parts, the meshing frequency coupling phenomenon of mesh force for different stages was studied. Under different excitation conditions, the forms of meshing frequency coupling were analyzed. At the same time, the dynamic load coefficient and the load sharing coefficient of meshing force for different stages, and the dynamic characteristics of torques of connection shafts were calculated. The results provided a reference for design and dynamic analysis of multi-stage planetary gears.
| Original language | English |
|---|---|
| Pages (from-to) | 13-23 |
| Number of pages | 11 |
| Journal | Zhendong yu Chongji/Journal of Vibration and Shock |
| Volume | 34 |
| Issue number | 19 |
| DOIs | |
| Publication status | Published - 15 Oct 2015 |
Keywords
- Dynamic load coefficient
- Load sharing coefficient
- Meshing force
- Meshing frequency coupling
- Nonlinear
- Planetary gears
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