| 摘要 |
PURPOSE: A two-door opening and shutting device for a fertilizer distributor is provided to evenly spray compost containing moisture on an arable land and to adjust spraying amount of the compost. CONSTITUTION: A two-door opening and shutting device for a fertilizer distributor comprises: a lower guide board(10) fixed in the lower part of a fertilizer outlet of a fertilizer distributor; a two-door type upper plate(40) fixed on the top of the lower guide board; a large amount control plate(20) which is installed in order to be movable to the front and rear based on the central axis and in which a large quantity spraying outlet and a small quantity spraying outlet are formed; a small amount control plate(30) corresponding to the small quantity spraying outlet; a first lever driving a first arm moving along a guide hole; and a second lever driving a second arm connected to the front of the large amount control plate. |
