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| Design and optimization of transmission system for hose reel irrigators based on planetary gears |
| Zhao Jin1, Qiu Zhipeng2, Peng Tao2, Tang Yue1 |
| 1.National Research Center of Pumps, Jiangsu University, Zhenjiang, Jiangsu 212013, China; 2.Jiangsu Huayuan Irrigation and Drainage Co. Ltd., Xuzhou, Jiangsu 221500, China |
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Abstract In order to improve the efficiency of hose reel irrigators and broaden the speed range of the water turbine or motor on it, a new kind of transmission system is designed based on three-stage pla-netary gear.This new type of transmission structure got three gears: the gear of the normal work, power recovery gear and manual recovery gear. The efficiency of new transmission system improved nearly 21%. Aiming at maximizing transmission efficiency and minimizing volume of three-stage planetary gear part, a multi-objective optimization model is established. Traditional optimization algorithms take discrete variables for continuous variables which may cause infeasible results. In order to solve the problems caused by rounding to the module or the number of teeth, genetic algorithm toolbox GADS is used to deal with the mixed discrete variables problems by the multi-objective linear weighting method. The optimized results show that the efficiency of three-stage planetary gears increases 10.64% and vo-lume decreases 16.3%.The newly designed model for the transmission system of hose reel irrigators can be referred in view of the research and development of the new prototype.
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Received: 20 April 2015
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