AGRICULTURAL HARVESTING MACHINE, IN PARTICULAR FIELD GRINDER Russian patent published in 2018 - IPC A01D43/08 A01F29/22 

FIELD: agriculture.

SUBSTANCE: agricultural harvesting machine includes a grinder that includes a grinding drum equipped with a plurality of knives, which is rotatable with respect to the fixed counter plate. Interaction of counter plate with knives of grinding drum provides shredding of supplied harvested mass during harvest in the area of cutting gap between counter plate and drum knives. The harvesting machine comprises a device for regulating the speed of the drum, depending on the characteristics of the drum, at least during the maintenance process of the grinding drum. The characteristic of the drum is any quantity that affects the maintenance process, for example, the characteristic of the drum is its equipping with knives.

EFFECT: agricultural harvesting machine provides maintenance activities with the operating grinding drum.

10 cl, 3 dwg