BELT-SHOE BRAKE WITH FIXED AND MOVING FRICTION LININGS ON BRAKE BELT Russian patent published in 2011 - IPC F16D49/08 

FIELD: machine building.

SUBSTANCE: belt-shoe brake with fixed and moving friction linings on brake belt consists of brake pulley on shaft and brake belt with separate fixed linings arranged on it at beginning of entering and at end of leaving branches of belt and at its middle, and also of mechanical drive of brake control. Moving linings are installed between fixed linings. Cylinder friction elements are set on screws between side double walls of a sleeve jacket. Fastening plates of friction linings are inserted into slots of these walls. Contact lines of cylinder friction elements interact simultaneously with internal surface of the sleeve jacket and external surface of the brake belt. The friction elements roll along external surface of the brake belt simultaneously with transfer of bases of side double walls of the sleeve jacket of the friction linings relative to lengthwise slots of the belt. The lengthwise slots are less by length on entering branches of the belt and bigger - on leaving branches of the belt thus facilitating braking of fixed alternate step between moving friction linings positioned between working surfaces of metal friction elements.

EFFECT: raised efficiency of brake operation and re-distribution of specific load between moving friction linings of entering and leaving branches of brake belt.

2 cl, 6 dwg