FEED HARVESTING UNIT Russian patent published in 2021 - IPC B02C4/02 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, in particular to devices for cutting, crushing long-stemmed fodder crops and harvesting fodder. The unit has a frame 1 with a lower beam 2 and an upper beam 3, sidewalls 4, attachments 39 of the linkage mechanism 40 to the vehicle 41 and a screen 35. There are rollers 6 in front of the screen. The rollers have disks 8 having protrusions 15 with curved sections 16 and straight sections 17 separated by intermediate rings 9, additional intermediate rings 10, located in pairs on the adjacent rollers 6 made with equal height between themselves and equipped with pins 27. The screen 35 is installed at an angle to the rollers 6, providing a reflection of the crushed plant mass downwards, and is equipped with an unloading opening 36 with a loader 37 installed between the screen 35 and the vehicle 41. There are cleaners 34 of the rollers 6 on the frame. The cleaners are made in form of vertical plates installed at an angle to the intermediate rings 9. Additional intermediate rings 10 are made in form of a ratchet overrunning clutch and a height equal to the height of the disks 8 and intermediate rings 9. Discs 8 are made composite with the image the formation of a cavity inside the disc 8 and are equipped with replaceable rims 21, copying their shape. The sections of the replaceable rim 21 corresponding to the straight sections 17 of the projections 15 of the disc 8 are made in form of a cutter 23 mounted parallel to the axis of rotation of the roller 6.

EFFECT: use of the invention will improve efficiency of the feed harvesting unit.

1 cl, 4 dwg