FIELD: machine building.
SUBSTANCE: invention relates to transmissions. Stepless transmission includes a friction variator and a simple three-link planetary gear consisting of a sun gear, an epicyclic wheel and a drive with satellites. Input and output shafts are installed in parallel. On the input shaft a toothed ring with the driving cylindrical gear actuation clutch is fixed, which is freely mounted on the input shaft and is engaged with the driven cylindrical wheel fixed to the epicyclic wheel body. On the tubular shaft of this body gear ring, a clutch for the planetary gear locking or the epicyclic wheel stopping is installed. Small friction wheel is mounted on the input shaft key, is pressed against the driven shaft large friction wheel, which is connected to the sun gear by a conical gear and shaft, drive is fixed onto the output shaft, this shaft toothed crown is located next to the epicyclic wheel body tubular shaft ring gears and the stepless transmission body.
EFFECT: providing simplified design and improved operational characteristics.
1 cl, 2 dwg
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