FIELD: mechanical engineering.
SUBSTANCE: belt-block brake comprises braking pulley, braking belt, friction members, and mechanical and air-operated drives. The ports receiving the friction members are arranged over periphery of the cylindrical surface of the braking pulley. The radii of curvature of the friction members correspond to these of the mating surfaces. The greater base projects out of the pulley surface. The smaller base is provided with the thick-walled convex metallic plate whose projection locks the friction member in the pulley port. The inner side of the air chamber is mounted on the unmovable cylindrical ring projection of the flange that bears on the setting lag.
EFFECT: improved braking capabilities.
4 dwg
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