Apparatus for handling lids and charging coal into coke ovens

Claim 2

In a coke oven battery having a larry car and a lid on a coal charging hole of a coking chamber of said battery, the improved mechanism for handling such lid and charging coal into said chamber comprising: a. a vertically aligned frame fixed to said larry car; b. a first tube fixed vertically to said frame and positionable in vertical alignment with said charging hole, said first tube carrying an internal sealing ring and an external sealing ring; c. a movable second tube disposed in coaxial, spaced-apart relation to and within said first tube; d. a movable third tube disposed in coaxial, spaced-apart relation to and within said second tube; e. first means for moving said second tube relative to and into sealing relation with said internal sealing ring; f. a movable tubular assembly disposed coaxially with and surrounding said first tube; g. second means for bringing said tubular assembly into contact with said coke oven battery and surrounding relation to said lid, said tubular assembly making a sealing engagement with said external sealing ring; h. third means for moving said thiRd tube relative to said second tube and into contact with said lid; i. fourth means associated with said third tube for engaging and grasping said lid; j. fifth means for activating said fourth means and raising said lid from said charging hole; k. a hopper mounted to and communicating with interior of said first tube; and l. means for moving coal into said hopper whereby it gravitates into said coking chamber.

Claim 3

The apparatus of claim 1 including: a. a lug on said lid; and b. means on said third tube engageable with said lug; and c. means for oscillating said third tube about its vertical axis and also for oscillating said lid.

Claim 4

The apparatus of claim 1 including: a. spacers mounted internally of said second tube for guiding said third tube as it moves relative to said second tube; and b. a spacer mounted internally of said first tube for guiding said second tube as it moves relative to said first tube.

Claim 5

The apparatus of claim 1 wherein said movable tubular assembly comprises: a. a first tubular ring concentrically surrounding said first tube in spaced-apart relation; b. a second tubular ring concentrically surrounding said first tube and spaced apart from said first tubular ring, one portion of said first tubular ring being cooperative with a surface portion of said second tubular ring; and c. an annular ring concentrically surrounding said first tube and being disposed freely within second tubular ring, said annular ring being engageable with said first tubular ring and being disposed closely adjacent said second tubular ring and forming seals therewith when said first tubular ring is in contact with said coke oven.

Claim 6

The apparatus of claim 1 wherein said second means includes: a. a plurality of levers pivotally mounted to said tubular assembly and to adjacent structure of said larry car; b. a fluid activated cylinder-piston assembly pivotally mounted to said larry car; and c. linkage means connecting said levers and a piston-rod of said cylinder piston assembly whereby when said cylinder piston is actuated, said levers and linkage means raise and lower said tubular assembly relative to said first tube.

Claim 7

In a coke oven battery having a larry car and a lid on a coal charging hole of a coking chamber of said battery, the improved mechanism for handling such lid and charging coal into said chamber comprising: a. a vertically aligned frame fixed to said larry car; b. a first tube fixed vertically to said frame and positionable in vertical alignment with said charging hole, said first tube carrying an internal sealing ring and an external sealing ring; c. a movable second tube disposed in coaxial, spaced-apart relation to and within said first tube; d. a movable third tube disposed in coaxial, spaced-apart relation to and within said second tube; e. a first cylinder-piston assembly having a piston rod connected to said third tube for moving it into engagement with said lid; f. a lug on said lid; g. serrations on the end of said third tube that are engageable with said lug for oscillating said lid when said third tube oscillates; h. means for oscillating said third tube about its vertical axis; i. means for moving axially said second tube into sealing engagement with said internal sealing ring; j. a pair of lifter arms pivotally mounted within said third tube that are adapted to engage and hold said lid and raise said lid when said third tube moves axially, each lifter arm having an elongate slot in each arm that cooperates with a pin in a clevis secured to a piston rod; k. said piston rod being coactive with a second cylinder-piston assembly so that, when the second cylinder-piston assembly is actuated, said lifter arms are pivotable for grasping and releasing said lid; l. a first tubular ring concentrically surrounding said first tube in spaced-apart relation; m. a second tubular ring concentrically sUrrounding said first tube and spaced apart from said first tubular ring, one portion of said first tubular ring being cooperative with a surface portion of said second tubular ring; n. an annular ring concentrically surrounding said first tube and being disposed freely within said second tubular ring, said annular ring being engageable with said first tubular ring and being disposed closely adjacent said second tubular ring and forming seals therewith when said first tubular ring is in contact with said coke oven; o. a plurality of levers pivotally mounted to said tubular assembly and to adjacent structure of said larry car; p. a fluid actuated cylinder-piston assembly pivotally mounted to said larry car; q. linkage means connecting said levers and a piston rod of said cylinder-piston assembly whereby, when said cylinder-piston assembly is actuated, said levers and linkage means raise and lower said tubular assembly relative to said first tube; r. a hopper mounted to and communicating with said first tube; and s. screw conveyor means for moving coal into said hopper and into said first tube so that said coal gravitates into said coking chamber after said lid has been raised.

Claim 8

In a coke oven battery having a larry car and a lid on a coal charging hole of a coking chamber of said battery, the improved mechanism for handling such lid and charging coal into said chamber comprising: a. a vertically aligned frame fixed to said larry car; b. a first tube fixed vertically to said frame and positionable in vertical alignment with said charging hole, said first tube carrying an internal sealing ring and an external sealing ring; c. a movable second tube disposed in coaxial, spaced-apart relation to and within said first tube; d. a movable third tube disposed in coaxial, spaced-apart relation to and within said second tube; e. a first cylinder-piston assembly having a piston rod connected to said third tube for moving it into engagement with said lid; f. a lug on said lid; g. serrations on the end of said third tube that are engageable with said lug for oscillating said lid when said third tube oscillates; h. means for oscillating said third tube about its vertical axis; i. means for moving axially said second tube into sealing engagement with said internal sealing ring; j. a pair of lifter arms pivotally mounted within said third tube that are adapted to engage and hold said lid and raise said lid when said third tube moves axially, each lifter arm having an elongate slot in each arm that cooperates with a pin in a clevis secured to a piston rod; k. said piston rod being coactive with a second cylinder-piston assembly so that, when the second cylinder-piston assembly is actuated, said lifter arms are pivotable for grasping and releasing said lid; l. a first tubular ring concentrically surrounding said first tube in spaced-apart relation; m. a second tubular ring concentrically sUrrounding said first tube and spaced apart from said first tubular ring, one portion of said first tubular ring being cooperative with a surface portion of said second tubular ring; n. an annular ring concentrically surrounding said first tube and being disposed freely within said second tubular ring, said annular ring being engageable with said first tubular ring and being disposed closely adjacent said second tubular ring and forming seals therewith when said first tubular ring is in contact with said coke oven; o. a plurality of levers pivotally mounted to said tubular assembly and to adjacent structure of said larry car; p. a fluid actuated cylinder-piston assembly pivotally mounted to said larry car; q. linkage means connecting said levers and a piston rod of said cylinder-piston assembly whereby, when said cylinder-piston assembly is actuated, said levers and linkage means raise and lower said tubular assembly relative to said first tube; r. a hopper mounted to and communicating with said first tube; and s. screw conveyor means for moving coal into said hopper and into said first tube so that said coal gravitates into said coking chamber after said lid has been raised.

Claim 9

The structure of claim 6 wherein: a. said means for moving axially said second tube includes: i. a first transverse member having an opening therein which is secured to the upper end of said second tube with the opening being coaxial with said second tube, ii. means on said transverse member cooperating with said frame for guiding said second tube as it reciprocates vertically; iii. a second transverse member secured to said frame and carrying a pair of spaced-apart pulleys; iv. flexible means looped over said pulleys with one end of each flexible means being connected to a third transverse member that is secured to said first transverse member and with the other end of each flexible means being connected to a counterweight, and v. a fourth transverse member connected to said third tube and to said piston rod of said first cylinder-piston assembly, said fourth transverse member being engageable with said first transverse member as said fourth moves vertically and thereby axially moving said second tube.