FIELD: mechanical engineering; railway transport.
SUBSTANCE: group of inventions relates to railway transport. Combined brake cylinder comprises a service brake cylinder as an active service brake with one service brake piston actuated by a pressure fluid, as well as a brake cylinder with a spring-loaded energy accumulator as a passive parking brake. Piston of brake cylinder with a spring-loaded energy accumulator in case of a parking brake is configured to transmit force of spring-loaded energy accumulator through a transmission mechanism to piston rod of service brake cylinder. In transmission mechanism movements of piston of brake cylinder with a spring-loaded energy accumulator and piston rod of service brake cylinder are coaxial, and power transmission ratio increases with increasing stroke of piston of brake cylinder with a spring-loaded energy accumulator. Carriage unit of disc brake comprises a combined brake cylinder.
EFFECT: minimisation of wear is achieved.
27 cl, 15 dwg
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