Patent ID: 8714899

Claim:
An apparatus on a coal-charging larry cart for lifting lids out of charging holes in the roof of a coke oven and for cleaning the charging-hole jambs, the apparatus comprising: a lid lifter having a lifter support arm carrying a lift magnet; a jamb cleaner having a cleaner support arm carrying a cleaning head; lifter and cleaner travel frames respectively associated with the lid lifter and jamb cleaner and horizontally movable on rails on the underside of the coal-charging larry cart in a first horizontal travel direction; a lifter support frame inside the lifter travel frame and movable relative to the lifter travel frame in a second horizontal travel direction transverse to the first travel direction of the lifter travel frame; a cleaner support frame inside the cleaner travel frame and movable relative to the cleaner travel frame in the second horizontal travel direction; a lifter carriage horizontally displaceable in the first travel direction on the lifter support frame and carrying the lifter support arm for horizontal movement of the lifter support arm relative to the respective lifter support frame between an operating position in which the lift magnet is aligned with a charging hole in the roof of the coke oven and a rest position spaced from the charging hole; a cleaner carriage horizontally displaceable in the first travel direction on the cleaner support frame and carrying the cleaner support arm for horizontal movement of the cleaner support arm relative to the respective cleaner support frame between an operating position in which the cleaning head is aligned with a charging hole in the roof of the coke oven and a rest position spaced from the charging hole; a vertical lifter drive for vertically moving the lid lifter with the lifter support arm relative to the respective lifter carriage; and a cleaner vertical drive for vertically moving the jamb cleaner with the cleaner support arm relative to the cleaner carriage, whereby the lid lifter and jamb cleaner can move in the first horizontal travel direction, the second horizontal travel direction and vertically independently of each other.