FORAGE HARVESTING DEVICE Russian patent published in 2021 - IPC B02C4/02 

FIELD: agriculture.

SUBSTANCE: device includes 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, in front of which are installed rollers 6 with disks 8 having projections 15 with curved sections 16 and straight sections 17, separated by intermediate rings 9, additional intermediate rings 10, located in pairs on adjacent rollers 6, made with equal height between each other and provided with pins 27. Screen 35 is installed at an angle to rolls 6 and is equipped with an unloading hole 36 with a loader 37 installed between the screen 35 and vehicle 41. On the frame 1 there are cleaners 34 of the rollers 6, made in the form of vertical plates installed at an angle to the intermediate rings 9. Additional intermediate rings 10 are made in the form of a ratchet overrunning clutch and a height equal to the height of the discs 8 and intermediate rings 9. Discs 8 are made composite with 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 have notches 23.

EFFECT: invention improves efficiency of the forage harvesting device.

1 cl, 4 dwg