STRAW PICK-UP CHOPPER Russian patent published in 2008 - IPC A01F29/00 

FIELD: agriculture.

SUBSTANCE: straw pick-up chopper is aggregated with tractor and contains frame with consequently mounted pick-up attachment, feeder, shear unit with motionless knifes and shredding drum. There is a distributing deflector hood with reflective guard and bunker with fertilizer dispenser behind the shredding drum. The feeder contains mounted one after another transport and compacting rollers. The shredding drum has plates with knives. The blades for creation of turbulent stream are fixed on edges of the plates. Air stream cutoff is established on chopper case before window of distributing deflector hood. Top cover of the case of grinder is executed in the form of jalousie. Fertilizer distributors are placed opposite to window in the top wall of the distributing deflector hood. Reflective guard of the deflector hood has adjustable directing shovels.

EFFECT: device provides uniform distribution of chopped straw mixture and granules of mineral fertilizers on field surface.

2 dwg