GEAR WHEEL Russian patent published in 2016 - IPC F16H55/12 

FIELD: machine building.

SUBSTANCE: invention can be used in less loaded coarse-grained tooth gears. Gear wheel includes body, gear rim with teeth and pair of ring pads fixed on teeth ends and body part adjoining gear wheel rim. Gear rim is composed of separate not fixed on body of gear wheel teeth. Each tooth consists of a pair of plates bent as per profile of side working surfaces designed for this gear wheel tooth and having working surfaces, equal in area to working surfaces of rated tooth. Plates along whole length are installed in slots made in circular straps to form profile corresponding to profile of working surfaces of rated tooth. Ends of plates are equipped with locking protrusions, and in slots of annular pads there are mating recesses. One annular pad is removable, and gaps between upper ends of pairs of plates in place of absent surfaces of teeth vertices are covered with plugs, fixed on inner surfaces of ends of plates.

EFFECT: higher maintainability of gear wheel.

1 cl, 4 dwg