FIELD: machine building.
SUBSTANCE: drive of cutting device with rotary action has low profile, which provides possibility of installation into floor or under floor of harvester in plant-cutting machine to allow passage of cut vegetable material around it. Drive comprises substantially flat rotating input element and drive lever for eccentric rotation at epicyclic trajectory. Drive lever extends to connection with rotary lever of hinged element which is connected to lever of blade. Blade lever actuates blade assembly of cutting device so that hinge element, lever of blade, and blade assembly will be driven into reciprocating movement due to eccentric rotation of drive lever. Second drive may actuate second blade assembly in opposite direction, so that opposite forces created by drives are suppressed. Drives may be assembled into narrowing or bent forward casing, and hinge elements may have corresponding shape to impart streamline shape to drives.
EFFECT: using this group of inventions enables reducing vibration and fatigue destruction of structural elements.
24 cl, 13 dwg
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