COMBINE HARVESTER FOR HARVESTING GRAIN CROPS STANDING BY COMBING Russian patent published in 2023 - IPC A01D41/08 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture. A combine harvester for harvesting grain crops standing by combing contains a header with a fairing for combing and threshing crops standing, hung on a threshing machine, including a threshing drum with a rod-slatted deck, an inclined chamber with a grain pile conveyor and a shaker board. A fan, an upper sieve, a lower sieve and a pitched board, an exit window, a grain elevator, and a tailings elevator are located under the shaking board. In front of the threshing drum with a rod-slatted deck, a rotary-pin receiving beater with its own rod-slatted deck is installed, which is located under the receiving beater with an adjustable gap. An additional fan is placed under the keyboard straw separator. The combine harvester for harvesting grain crops standing by combing also contains a thresh finishing device, a grain collection hopper mounted on the frame of the combine with an unloading auger, a rear beater, a keyboard straw separator and a motor unit. The thresh finishing device is made in the form of a three-bladed drum, the blades of which are made of ultra-high molecular weight polyethylene. The header body fairing is made of ultra-high molecular weight polyethylene.

EFFECT: simplification of the combine design, improvement of the reliability of the technological process of cleaning, reduction of grain losses is provided.

1 cl, 1 dwg