RU2203524C2 - Hopper apparatus for farm machines - Google Patents

Abstract

FIELD: agricultural engineering. SUBSTANCE: hopper apparatus has movable wall, discharge device and drive. Upon actuation of apparatus, movable wall and discharge device are simultaneously lowered by drive. Discharge device valves come into contact with fertilizer to open orifices. Pressurized fresh air is supplied through said openings for gripping fertilizer and feeding it into discharge slot. Fertilizer particles are further delivered onto tilt board with following distributing of said particles over soil surface. Apparatus may be used for application of difficult-to-flow materials. EFFECT: increased efficiency by uniform feeding of bulk materials. 4 dwg

Description

 The bunker device relates to agricultural machinery, for example, to seeders for making difficult-to-fertilize fertilizers.

 A known device (AS 459183, USSR, 1975, BI 5) for applying seeds using compressed air comprises a hopper with a hatch for loading the seed to be sown with a metering device, a pipeline and a fan.

 The disadvantage of this device is the impossibility of sowing difficult-to-flow materials due to the tendency to arching the latter.

 Also known is a bunker device (Kruglyakov ML. Machine for applying fertilizers to the soil. Mashgiz, 1953, pp. 110-122) of the Schler apparatus for making difficult-to-flow materials, the disadvantage of which is the low reliability of the fertilizer application process and their high unevenness distribution to the soil.

 A bunker device with a moving wall with a drive mechanism, as well as a pneumatic unloading working body is proposed.

In Fig.1 shows a hopper device for agricultural machines;
figure 2 - unloading working body, front view;
figure 3 - section bb in figure 2;
figure 4 is a profile of a pitched board.

 The front wall is installed at a distance from the movable wall, forming an unloading slot for feeding fertilizer to the ramp.

 The pitched board has a ribbed surface, providing a uniform distribution of fertilizers on the surface of the field, regardless of the change in relief.

 Pneumatic unloading working body moves synchronously with the movable wall, its holes are installed at the level of the upper line of the movable wall pos. 5 in FIG.

 On the unloading working body, valves are installed that, in contact with the fertilizer, open holes for supplying compressed air.

 The hopper device includes a housing 1, a movable wall 2, an unloading working body 3 with a deflector 4, which directs the air flow into the unloading slit, with valves 11, springs 12, openings 10, the front wall of the housing 6, unloading slit 7, pitched board 8, drive mechanism 9.

 The hopper device works as follows: after loading fertilizer into the hopper, the drive mechanism is turned on, the moving wall and the unloading working body with the deflector begin to lower simultaneously, the valves of the unloading working body come into contact with fertilizer and open the openings of the unloading working body through which compressed air is supplied. The air stream captures fertilizer particles from the surface and feeds their discharge gap. Fertilizer particles fall onto the ramp board, then they are distributed evenly over the field surface in front of the drill coulters. When the unloading working body and the movable wall reach the lower position, the drive mechanism is turned off and they return to their original position. In this case, under the action of the spring, the valves close the openings of the unloading working body, and the air supply stops.

 The proposed bunker device for agricultural machinery does not have a negative impact on the environment, because It is an integral part of commercially available technological machines and provides intra-soil application of difficult-to-flow fertilizers.

Claims (1)

 A bunker device for agricultural machinery, comprising a housing with a front wall, in the upper part of which an unloading working body is installed, a drive mechanism, a ramp, characterized in that the unloading working body is made pneumatic, moving synchronously with the movable wall, which is installed at a distance from the front wall of the housing forming a discharge gap for feeding fertilizers onto a ramp having a ribbed surface, ensuring a uniform distribution of fertilizers on the field surface regardless of changes field relief, and the unloading working body has openings located at the level of the upper line of the movable wall, and valves that, in contact with fertilizers, open openings for supplying compressed air.

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