SINGLE-SECTION THRESHING UNIT Russian patent published in 2020 - IPC A01F12/24 A01F12/00 

FIELD: agriculture.

SUBSTANCE: invention relates to the agriculture. Single-section thresher deck comprises seats for installation on combine, fixed on side jaws, interconnected by rigidly welded to them with uniform interval cross bars, wherein deck consists of at least three zones; in the first zone – threshing and separation – the separating grid is made as two-tier with variable distance between tiers by variant installation under the main tier of detachable bars of the grid, located on transverse planks with pitch t at larger than the main tier radii passing in the middle of bars pitch of the main upper tier with intervals from 0.75 to 1.25t, in the second zone – separation and threshing – the separating grid with length of 5 to 12 intervals between the cross bars is single-tier, but the pitch between the bars of the grid located on the continuation of the tier of the first zone on the transverse planks of the zone is not less than 1.5t of the pitch of the bars of the first zone, in the third zone – girder and separation – with length of not more than 6 intervals between transverse planks, single-tier grid is continuation of upper tier of first zone with pitch of rods from 0.5 to 1.5t of first zone pitch.

EFFECT: invention allows to increase efficiency of combine harvester with simultaneous improvement of threshing quality.

5 cl, 4 dwg