DEVICE FOR MOVING FIRE-GRATE TRUCKS Russian patent published in 1995 - IPC

FIELD: drives of fire-bar coolers for reciprocating trucks of inclined fire-grate. SUBSTANCE: device has crank drive connected with drive shaft by means of lever. Rigidly mounted on drive shaft is pair of double-arm levers whose opposite arms are articulated via rods to two trucks of inclined fire-grate mounted on rolls. Articulation used for connecting the rods with trucks has two parallel ears rigidly secured on truck. Loose-fitted between ears is end of rod having rectangular hole which receives two buffers inserted in it in way of motion of truck. Arranged between buffers is pusher secured on axle passing through ears. Axle of pusher is secured in ears by means of eccentric bushes which makes it possible to compensate for error of manufacture and assembly. To relieve the articulation from vertical loads, rod is provided with stop which is engageable with lower ear. EFFECT: enhanced reliability. 4 cl, 6 dwg