Abstract:In order to expand the range of speed ratio of hose reel sprinkler and increase its transmission ratio as well as improve its efficiency, the DC motor driven transmission system of JP75 hose real sprinkler is redesigned and optimized by involving a worm drive. In the new transmission system, there are two transmission ratios, depending on the speed of spraying vehicle, and the number of stages of the transmission is reduced since a partial spur gear transmission has been replaced with the worm drive. The key parameters of the system, such as number of gear teeth and face width coefficient and so on in various stages of the spur gear transmission and worm drive are optimized by using Matlab genetic algorithm toolbox according to their design parameters preliminarily decided. In the optimization, transmission efficiency and gearbox volume are used as the objective functions with continuous and discrete variables. The optimized and experimental results show that the transmission efficiency is improved by 13.77% and 13.11% at two transmission ratios, respectively, and the gear box volume is decreased by 10.30% compared to the initial design values. The newly designed transmission scheme can be a useful reference for transmission system update of a hose reel sprinkler.
李科, 汤跃, 赵进. 基于蜗轮蜗杆的卷盘喷灌机传动设计与优化[J]. 排灌机械工程学报, 2017, 35(5): 454-460.
LI Ke, TANG Yue, ZHAO Jin. Design and optimization of worm drive based transmission system for hose reel sprinkler. Journal of Drainage and Irrigation Machinery Engin, 2017, 35(5): 454-460.
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