FIELD: machine building.
SUBSTANCE: invention refers to a device for tightening of an insertion and its blocking by a wedge key. The device comprises a unit for tightening torque transfer to tighten the insertion along the tightening axis and a hammering unit to hammer the wedge key. The hammering unit comprises lots of plates set perpendicular to the tightening axis and partially overlapping each other along the said axis. The plates provide for press-in of the wedge key under the action of pressure supplied to them.
EFFECT: improved reliability of a device for tightening of an insertion and its blocking by a wedge key.
8 cl, 6 dwg
