ROTARY CHIMNEY VALVE

摘要

FIELD: metallurgy, rolling. SUBSTANCE: Rotary chimney valve includes valve mounted on vertical rod for turning inside flue of chimney intake and drive of turn installed on frame of chimney intake. Rod is provided with horizontal lever carrying vertical pin on its end that engages carrier in the form of fork made up of two horizontal fingers. Carrier is anchored on one arm of bell-crank rotary lever which turning axle is put into support located on frame. The other arm of lever forms rocker of crank-and-rocker mechanism which crank is connected to drive of turn. EFFECT: enhanced serviceability and resistance of drive of turn of rotary chimney valve. 3 dwg