PLATFORM FOR CARRYING OUT INSIDE BLAST FURNACE Russian patent published in 1995 - IPC

FIELD: metallurgy. SUBSTANCE: suspended platform consists of circular frame with suspensions and plating sections hinged to circular frame, telescopic hinged girders with plating sectors and alternation of rigid attachment to both ends of adjacent plating sectors with one hinged girder by means of hinges and free testing on next hinged girders with flexible connection between them. Suspended platform is made in form of circular frame having hinged girder whose hinge axles are connected by flexible links, and central end of hinged girder is connected with central plating by means of free resting. Lower plane of periphery end of hinged girder and central end of upper plane of extensible members are provided with antifriction cover plates. Hinged girder has portable mechanism of motion of extensible member and connected with it by means of bracket. Extensible member is connected with its motion mechanism by traction member. EFFECT: higher efficiency. 3 cl, 6 dwg