Patent EA-003043-B1 (EA)
Title: Harvesting equipment
Inventor: KRONE BERHARD
IPC: A01D45/02
Filed: 2000-07-19
Abstract: 1. A harvesting equipment (1) for harvesting corn or similar stalk plants, said harvesting equipment (1) comprises at least an endless rotary conveyor (4; 5) for transporting the harvested plants (3), forming at the end part, a supply zone (30) wherein the plants (3) are conveyed towards an inlet (6) of a processing device, in particular a chopper, said endless conveyor (4; 5) comprises at least a lower cutting plane (S), provided with cutting means (16) oriented outwards, and at least a retaining plane (H1; H2) for the stalks of the plants, provided with retaining means (17; 18), and located above said cutting plane (S), characterized in that at least one tangential knife (31) is located in the supply zone (30) is located at least a tangential horizontal knife (31), which, in operation, is parallel to the cutting means (16) passing beneath it. 2. The harvesting equipment according to claim 1, characterized in that said tangential knife (31) is immovable when the equipment in operation. 3. The harvesting equipment according to claims 1 or 2, characterized in that said endless rotary conveyor (4; 5) comprise guides (32) oriented outwards and arranged closely above the cutting plane (S), which, in operation, said guides move above said tangential knife (31). 4. The harvesting equipment according to claim 1, characterized in that each cutting means (16) is provided with one guide (32). 5. The harvesting equipment according to claims 3 or 4, characterized in that the distance from said guides to said tangential knife (31) and from said tangential knife (31) to said cutting means is substantially equal, measured perpendicularly to the cutting plane (S). 6. The harvesting equipment according to claim 5, characterized in that that the distance between said guides and said tangential knife (31) and between said tangential knife (31) and said cutting means is within 0,5-3 mm. 7. The harvesting equipment according to any of claims 3 to 6, characterized in that said guide (32) is fixed on a front plate (21), serving as a deflecting shield, of a chain member (14;15) of said endless rotary transporter such that the guide (32) has projections (52) oriented backwards, which engage with recesses of said deflecting shield (21) and welded to it. 8. A harvesting equipment (1) for harvesting corn or similar stalk plants, said harvesting equipment (1) comprises at least an endless rotary conveyor (4; 5) for transporting the harvested plants (3), forming at the end part, a supply zone (30) wherein the plants (3) are conveyed towards an inlet (6) of a processing device, in particular a chopper, said endless conveyor (4; 5) comprises at least a lower cutting plane (S), provided with cutting means (16) oriented outwards, and at least a retaining plane (H1; H2) for the stalks of the plants, provided with retaining means (17; 18), and located above said cutting plane (S), an endless rotary conveyor (conveyors) (4;5) is designed as a link chain (chains) and change the rotation direction in the feeding zone (30), characterized in that comprises, at least, one scraper (33) attached to the feeding zone (30) and retained motionless during operation, said scraper enters by front side into an enveloping zone of the link chain (chains) (4;5) and enclosing a cleaning element (36;37) for removing mass and for cleaning said link chain (chains) (4;5), wherein, at least, one opening is provided between said cleaning element and a fixed scraper holder (34). 9. The harvesting equipment according to claim 8, characterized in that said scrapers (33) extend from its holder (34) substantially in the direction (F) of movement parallel to a vertical longitudinal mean plane of the equipment, and openings (40) form side passages. 10. The harvesting equipment according to claim 9, characterized in that said cleaning elements (36; 37) are designed as flat elements placed on ribs and connected in their back part to said holders by supporting members perpendicular to them. 11. The harvesting equipment according to claim 9, characterized in that said scraper holder (33) is rotatable and spring-loaded. 12. The harvesting equipment according to any of claims 7 to 11, characterized in that at least behind one of cleaning elements (36) a second cleaning element (41) is provided which, substantially, repeats enveloping made by chain links in the enveloping zone. 13. A harvesting equipment (1) for harvesting corn or similar stalk plants, said harvesting equipment (1) comprises at least an endless rotary conveyor (4; 5) for transporting the harvested plants (3), forming at the end part, a supply zone (30) wherein the plants (3) are conveyed towards an inlet (6) of a processing device, in particular a chopper, said endless conveyor (4; 5) comprises at least a lower cutting plane (S), provided with cutting means (16) oriented outwards, and at least a retaining plane (H1; H2) for the stalks of the plants, provided with retaining means (17; 18), and located above said cutting plane (S), an endless rotary conveyor (conveyors) (4;5) is designed as a link chain (chains) and change the rotation direction in the feeding zone (30), characterized in that the conveyor comprises a cleaning device (47) the cleaning member(s) (48) of which clean(s) cutting and/or retaining means (16;17;18) oriented outwards in the same direction (U1;U2) as their rotation. 14. The harvesting equipment according to claim 13, characterized in that the cleaning member(s) (48) which clean(s) cutting and/or retaining means (16;17;18) with a speed which is higher than the speed (U1;U2) of their rotation. 15. The harvesting equipment according to any of claims 13 or 14, characterized in that the cleaning member(s) (48) which clean(s) cutting and/or retaining means (16;17;18) on their lower and/or upper side. 16. The harvesting equipment according to any of claims 13 to 16, characterized in that the cleaning member(s) (48) which clean(s) cutting and/or retaining means (16;17;18) with no contact at a close distance. 17. The harvesting equipment according to any of claims 13 to 15, characterized in that the conveyor is an endless conveyor (4;5) with a rotating link chain. 18. The harvesting equipment according to any of claims 13 to 16, characterized in that the conveyor comprises rotating conveyor disks and/or drums. 19. The harvesting equipment according to any of claims 13 to 16, characterized in that the cleaning device (47) is formed by at least one rotating cleaning member (48) conveyor rotatable around the axis (49), perpendicular to the rotation plane (S;H1;H2) of the cutting and/or retaining means (16;17;18). 20. The harvesting equipment according to claim 19, characterized in that a plurality of cleaning members (48) are combined into a star-shaped body rotating around the axis. 21. The harvesting equipment according to claim 20, characterized in that the cleaning members (48) are preferably triangular-shaped with a sharp nose relative to the rotation plane (S;H1;H2) of the cutting and/or retaining means (16;17;18). 22. The harvesting equipment according to any of claims 13 to 21, characterized in that the cleaning members (48) are made of a metal material. 23. The harvesting equipment according to any of claims 13 to 21, characterized in that the cleaning members (48) are made of a synthetic material. 24. The harvesting equipment according to any of claims 13 to 20, characterized in that the cleaning device (47) comprises brushes or the like flexible means facing cutting and/or retaining means (16;17;18) and rotating around the axis. 25. The harvesting equipment according to any of claims 13 to 24, characterized in that the cleaning members (48) rotatable around the axis (49) , perpendicular to the rotation plane (S;H1;H2) of the cutting and/or retaining means (16;17;18) are adapted to the movement depending upon the speed of the conveyor rotation. 26. The harvesting equipment according to any of claims 13 to 25, characterized in that the cleaning members (48) are adapted to be driven by a belt drive (51), a shaft (62) or the like transmitting intermediate member from a driving conveyor wheel (51). 27. The harvesting equipment according to claim 26, characterized in that said transmitting intermediate member (51;62) is under the conveyor's rotation plane. 28. The harvesting equipment according to claim 26 or 27, characterized in that that said transmitting intermediate member (51;62) further drives an outer stalk and plant distributor provided with a worm. 29. The harvesting equipment according to any of claims 26 to 28, characterized in that the cleaning members (48) are mounted on a fixed axis (49) of rotation by a clip connection (64). 30. The harvesting equipment according to claim 26, characterized in that said clip connection (64) is designed in the form of a protective sleeve. 31. The harvesting equipment according to any of claims 13 to 25, characterized in that the cleaning members (48) are adapted to be driven independently from the conveyor rotation speed. 32. The harvesting equipment according to claim 31, characterized in that the cleaning members (48) are adapted to be driven by a hydraulic motor (52).