FIELD: machine building.
SUBSTANCE: variable-speed drive consists of two pinion shafts (9, 15) made up of tapered multi-start opposite-direction screws with their apices facing each other. Sun gears (4, 7) are engaged with said pinion shafts and fitted on shafts in carriages (8) of sun gears. Sun gear carriages are coupled by tie rods with gimbals to time their displacement along pinion shafts. Sun gears are coupled by shafts with constant-velocity gimbals (14). Pinion frame (5) is driven via gearing with drive gear rigidly fitted on input shaft (1).
EFFECT: expanded operating performances.
3 dwg
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