FIELD: machine building.
SUBSTANCE: planetary variable-speed gear comprises a carrier (1), fixed on a shaft (2) and comprising two satellites (3, 4), arranged on a single shaft (5). One satellite (3) is in alternate engagement with wheels (6), having displaced teeth, rolling in these teeth. Wheels (6) are installed with a carrier as capable of rotation and subsequent fixation on shafts (7), installed on a frame (8). Wheels (9) kinematically connected with a wheel (10) are also fixed together with wheels (6) on shafts (7). The wheel (10) is installed on a shaft (2) as capable of rotation and subsequent fixation by means of a driving mechanism (12). The second satellite (4) is kinematically connected with a circular toothed wheel (13), which has a connection with drive wheels of a vehicle.
EFFECT: invention makes it possible to smoothly change transmission ratio as rotation is transmitted from an engine to drive wheels of a vehicle, and to carry out functions of coupling and neutral.
22 dwg
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