FIELD: machine engineering and metallurgical industry branches, namely manufacture and operation of cogging mills. SUBSTANCE: casing of braking assembly is arranged in opening of cover of reduction gear housing of screwdown mechanism of cogging mill. Twisted gear with elongated boss is mounted on elongated vertical axle of braking assembly. Twisted gear engages with one gear wheel of reduction gear of screwdown mechanism. Braking block is pressed onto upper portion of boss of twisted gear. There are two lateral slits and lugs in casing of braking assembly for mounting braking levers. The last are provided with single-side lateral vertical groove for mounting and changing horizontal braking shoes with pins fixed in grooves of levers by means of cover strips and bolts. EFFECT: increased total friction moment due to use of special braking assembly in reduction gear of screwdown mechanism for preventing loosening of screws. 5 dwg
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RU2198045C1 |
