FIELD: machine building.
SUBSTANCE: invention relates to the field of machine building. Planetary reduction gear comprises housing, central solar wheel, satellites, composite crown wheel and carrier. Central solar wheel is made in the form of a screw eccentric bushing. Satellites are made in form of helical-eccentric-cycloidal wheels. Composite crown wheel represents a set of screw eccentric bushings, which are located in one radial plane with equal angular pitch and rigidly fixed on housing, so that screw surfaces of eccentric bushings correspond to inclination angle of teeth of pinions, providing continuous contact between central sun wheel, satellites and composite crown wheel.
EFFECT: reduction of overall dimensions at high load-carrying capacity of reduction gear.
1 cl, 2 dwg
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SU954672A1 |
