| 摘要 |
The present invention relates to a free falling pesticide applicator for a rice planting machine and, more specifically, to a new concept technique to facilitate the sprinkling of a pesticide over a seedbed in the manner of free fall and prevent the fixedness of the pesticide by installing the applicator on the rice planting machine. Disclosed conventional pesticide applicators have a problem of the fixedness of a pesticide where the pesticide sticks to the interior of a screw housing and a two-way transfer screw and becomes stiff, and the amount of the pesticide stuck therein increases over time, and thereby the two-way transfer screw cannot rotate smoothly and sprinkle the required amount of the pesticide. As a plan to solve the problem, the present invention makes a sliding gate open and close pesticide channels, which are formed in the interior of a pair of pesticide supply housings, at the same time depending on the operation of an automatic pesticide supply control valve while allowing the pesticide to freely fall through a vertical route. |
