FIELD: machine building.
SUBSTANCE: invention relates to the machine building. Gearbox with internal engagement of wheels comprises drive gear with external teeth (1), wheel with internal teeth (2), cover (3) with bracket (4), in which there are holes and slots for location of bearings and gear wheels in them, additional pair of gear wheels (5), (6) located in wheel with internal teeth (2), support bearings of gear wheels (7) - (12) located in holes of cover (3) and bracket (4) on opposite sides of their toothed rims, stop rings of support bearings (13) - (15), driven shaft (16), housing (17). To prevent jamming of mechanism parameters of additional pair of gear wheels (5), (6) are selected so that sum of interaxle distance of additional pair of gear wheels and radius of circle of tops of teeth of driven wheel of pair (6) is less than radius of circle of tops of teeth of wheel with internal teeth (2).
EFFECT: higher operational characteristics.
1 cl, 3 dwg
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