Ergonomic and Performance Analyses of a Pull-type Prayer for Floriculture in Greenhouse
2010
Lee, S.K., Kongju National University, Yesan, Republic of Korea | Kim, W., Kongju National University, Yesan, Republic of Korea
This study was conducted to develop a pull-type sprayer which performs the safe spraying with improved ergonomic postures while pesticide spraying of roses in floricultural facilities. The performance of the ergonomically designed sprayer was analyzed with a comparison of a conventional spray method. The pull-type sprayer, consisting of power pump, hose and nozzle parts was designed to manually pull and spray to upward and horizontal directions. From the analysis of postures with the RULA method, the labor load to arm and wrist using the pull-type sprayer was less than that with conventional power sprayer, so that the intensity of labor reduces. Working capacity with pull-type sprayer was two-fold greater than the conventional power sprayer. After performing pesticide spraying with the pull-type sprayer, the operating cost was reduced to reverse solidus 585,000/yr, which is 79% less than that of cost (reverse solidus 2,197,500/yr) for using conventional power sprayer.
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