FIELD: machine building.
SUBSTANCE: invention relates to mechanical gear transmissions for transfer of torque with reversing and can be used in machine building. Reverse reduction gear contains coaxial input and output shafts, gears, coupling. Input shaft is double-propped, one support of which is installed in housing of reduction gear, second support is located in driven bevel gear fixed on output shaft. Change of direction of movement of output shaft is carried out by means of coupling controlled by switching fork, with simultaneous fixation of carrier, wherein rotation in forward direction is transmitted from input shaft to output shaft with exclusion of rotation of drive gear and carrier with satellites, rotation in reverse direction is carried out via satellites and driven gear with fixed carrier.
EFFECT: higher reliability and efficiency of reverse gear.
1 cl, 1 dwg
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