This study is about the spraying device of soil chemicals,A bridge (11) which supports the spreader (100) when receiving non operation in the front forms a fixing hole (5) and is provided with a receiving opening (12, 12) of a fixing pin (6) which is combined with it,The rear part is provided with a fixing port (15) fixed on the omni-directional Barra roof (14) of the tractor (13) and a frame (16) with handles (16) on both sides;The above frame (16) is provided with medicine or fertilizer,Place the hull (10) capable of containing lime, etc., and fix it;A plurality of lattice walls (18, 18) are formed in the interior of the ship body (10) to prevent the contents accepted in the ship body (10) from being concentrated on one side;On the ground of the ship body (10), a switch cover (19) which can be cleaned in case of change or non operation is arranged;In the center of the above opening and closing cover (19), in order to exclude the contents, a plurality of discharge holes (19) are arranged horizontally,19) Formation;The above drain hole (19),19) The upper side of the utility model is provided with a discharge thread (20), which is fixed in a room on one side of the frame (16), fixed on the same fuselage language (23) connected with the engine (21) and the chain (22), while rotating, discharging the contents (19) in the object (10),19) By drainage, at the bottom left of the opening and closing cover (19),The hose (35, 35) connected according to the drain pipe (30, 30) can be dropped to the ground through the drain protection device (30, 30) fixed at the drain hole regulating port (31) which can slide.In the above study, a spray device will be placed in front of the tractor to make the contents (agents, fertilizer, lime and compost, etc.) close to the ground fall, and the circular propeller connected to the rear of the tractor will be used for immediate soil restoration. Therefore, the simultaneous drainage of the two operations will not only improve the efficiency of the operation, This is a very promising design, for example, to prevent the contents from being damaged due to external pressure such as wind.
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