FIELD: agriculture.
SUBSTANCE: invention relates to agricultural machine building and can be used in harvesting. Agricultural machine comprises a harvester, attached to the front part of machine on adjustable height. Harvester comprises first and second cutting device. Position of the first cutting device is determined by adjustable height of the harvester. Second cutting device comprises a knife drum, which rotates in the housing and by means of supports can move on ground at different height of the harvester. Second cutting device is connected with rear part of the harvester by at least two connection systems. Each of these systems includes lower and upper support levers. Connection systems are made so that when changing harvester height when the second cutting device rests on ground, the angle of inclination and height between second and fourth turn points remains essentially unchanged. First and third turn points are located at support beam.
EFFECT: agricultural machine provides constant orientation and height of knife drum, which contributes to more efficient operation of grinder.
10 cl, 7 dwg
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