GRAIN CLEANER Russian patent published in 2023 - IPC B07B1/52 A01F12/44 

FIELD: agriculture.

SUBSTANCE: proposed invention relates to agricultural engineering and can be used in machines for cleaning grain. The grain cleaning machine comprises a frame, sieve stands with sieves installed inside the frame at an angle to the horizon, movably mounted frames of brushes with brushes for cleaning the sieves from grains stuck in them with a device for preloading the brushes to the sieves, a crank mechanism that imparts horizontal plane-parallel oscillations to the sieve stands. The brushes are installed on the frames of the brushes with a step equal to or less than the sum of the values - the swing of the sieve oscillations and the width of the contact patch of the brush with the sieve cloth. The frames of the brushes are connected to the frame of the machine by means of supports having mobility only in the vertical plane, and the supports are able to change their location and be fixed on the frame of the machine in the horizontal and vertical planes.

EFFECT: simplification of the design of the brush cleaning of the sieve, as well as an increase in the productivity of the grain cleaning machine.

1 cl, 2 dwg