Load-sharing characteristics of two-stage five-branching star gear by considering deformation coordination
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Abstract:
In order to analyze the load sharing of two-stage five-branching star gear, the coordination conditions of torsion angle deformation were derived according to the power flow closed-loop characteristics of the system. Based on the theory of moment equilibrium condition and equivalent meshing error, the load sharing model under static condition was established, and the load sharing coefficient was obtained. The influence of manufacturing error, installation error, component floating on load sharing characteristics was analyzed. Results show that when sun gear, ring gear and star gear error independently act on load sharing characteristics, the the ring gear error influence is the biggest. Each component manufacturing error periodically affect the load sharing coefficient. The sun gear floats based on spline clearance and radially in the ring gear, which helps to improve the load sharing characteristics. The correctness of the theoretical analysis is verified by experiments.
