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Abstract: The deformation compatibility conditions of ring-plate gear reducer with small tooth number difference are analyzed by considering the deformations such as ring-plates, high-speed shafts, gears, bearings and errors of cranks. Then an elasto- dynamic model is developed with the combination of lumped parameter method and finite element method. By solving the elasto-dynamic governing equation of the transmission system, the loading state and mode characteristics of the reducer under single and double input condition are predicted. At last, a finite element model is developed in ANSYS to validate the accuracy of the elasto-dynamic model. The good match between the results of two models indicates that the elasto-dynamic model has a satisfactory precision.
Key words: Small tooth number difference Ring-plate gear reducer Elasto-dynamics Deformation compatibility condition
CLC No:
TH132.3
国家自然科学基金(50205019)和教育部科学技术重点项目(106050)资助项目.
Received
20070321,
received
in
revised
form
20071116
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