Bottom handling apparatus for steel converter vessels

Claim 2

Apparatus for handling a vessel bottom which is attachable to and detachable from a metallurgical vessel, said apparatus comprising: a. means adapted to receive and support a vessel bottom, b. turntable means mounted for rotation about a nominally vertical axis, c. a plurality of screw jacks mounted on said turntable means radially outwardly from its axis of rotation and having movable load bearing screws on which said receiving and supporting means is supported, said jacks being operable to advance and retract said supporting and receiving means, d. motor means, e. jack operating means associated with each screw jack and means operatively coupling each operating means to said motor means, and f. clutch means in each said operative coupling means, said clutch means being selectively engageable and releasable to thereby enable advancing and retracting said screw jacks by different amounts.

Claim 3

The invention defined in claim 1 wherein: a. said turntable means includes an element that is rotatable about said nominally vertical axis and a stationary base means on which said element is rotatable, b. said base means including means that are constructed and arranged for being removably received by and supported on a car.

Claim 4

The invention defined in claim 2 wherein: a. there are a plurality of balls arranged in an arc about the turntable rotational axis, said balls serving as bearing means and being interposed between said rotatable element and said base means.

Claim 5

The invention defined in claim 2 including: a. means engageable with said base means and said car to stabilize said base means thereon, said engageable means including adjusting means for varying the length of said engageable means.

Claim 6

Apparatus for handling a bottom which is attachable to and detachable from a bottom blown steel converter vessel, said apparatus comprising: a. a base means that is adapted for being received and supported on a car, b. turntable means journaled for rotation on said base means about a nominally vertical axis, c. a plurality of screw jacks each of which has associated operating means for turning said screw jacks and having extensible means, said jacks being disposed on said turntable means, d. a lift frame means supported on the plurality of extensible means, said lift frame means being adapted to engage and support a vessel bottom, e. a single motor means mounted between said turntable means and said frame means, and f. clutch means operatively coupled to each jack operating means and to the motor means, said clutch means being operable to selectively actuate said screw jacks whereby to control the level of said lift frame means.

Claim 7

Apparatus for handling a bottom which is attachable to and detachable from a bottom blown steel converter vessel, said apparatus comprising: a. a base means that is adapted for being received and supported on a car, b. turntable means journaled for rotation on said base means about a nominally vertical axis, c. a plurality of screw jacks each of which has associated operating means for turning said screw jacks and having extensible means, said jacks being disposed on said turntable means, d. a lift frame means supported on the plurality of extensible means, said lift frame means being adapted to engage and support a vessel bottom, e. a single motor means mounted between said turntable means and said frame means, and f. clutch means operatively coupled to each jack operating means and to the motor means, said clutch means being operable to selectively actuate said screw jacks whereby to control the level of said lift frame means.

Claim 8

Apparatus for handling a vessel bottom which is attachable to and detachable from a metallurgical vessel, said apparatus comprising: a. receiving means adapted to receive and support a vessel bottom, b. turntable means mounted for rotation about a nominally vertical axis, c. means for elevating and selectively tilting said vessel bottom conSisting solely of a plurality of reversible elevating means mounted on said turntable means and being disposed radially outwardly from its axis of rotation and in spaced apart relation, said reversible means each engaging a separate portion of said receiving means and each being operable individually to advance and retract said respective portions of said receiving means, d. motive means, e. coupling means for selectively operatively coupling each of said reversible means with said motive means for selectively advancing and retracting said reversible means individually by different amounts whereby to adjust the level of said receiving means and to tilt the same relative to a horizontal plane.

Claim 9

Apparatus for handling a vessel bottom which is attachable to and detachable from a metallurgical vessel, said apparatus comprising: a. receiving means adapted to receive and support a vessel bottom, b. turntable means mounted for rotation about a nominally vertical axis, c. means for elevating and selectively tilting said vessel bottom conSisting solely of a plurality of reversible elevating means mounted on said turntable means and being disposed radially outwardly from its axis of rotation and in spaced apart relation, said reversible means each engaging a separate portion of said receiving means and each being operable individually to advance and retract said respective portions of said receiving means, d. motive means, e. coupling means for selectively operatively coupling each of said reversible means with said motive means for selectively advancing and retracting said reversible means individually by different amounts whereby to adjust the level of said receiving means and to tilt the same relative to a horizontal plane.

Claim 10

Apparatus for handling a bottom which is attachable to and detachable from a bottom blown steel converter vessel, said apparatus comprising: a. a non-elevatable base means, b. turntable means journaled for rotation on said base means about a nominally vertical axis, c. a plurality of spaced apart, reversible elevating means mounted on said turntable means and each having associated operating means, each of said operating means being individually and selectively operable for advancing and retracting said elevating means, d. a lift frame means supported on the plurality of elevating means, said lift frame means being adapted to engage and support a vessel bottom, e. a single motor means mounted between said turntable means and said frame means, and f. coupling means operatively connected to each operating means and to the motor means, said coupling means being operable to selectively actuate said elevating means whereby to adjust the level of said lift frame means and to tilt the same relative to a horizontal plane.

Claim 11

Apparatus for handling a bottom which is attachable to and detachable from a bottom blown steel converter vessel, said apparatus comprising: a. a non-elevatable base means, b. turntable means journaled for rotation on said base means about a nominally vertical axis, c. a plurality of spaced apart, reversible elevating means mounted on said turntable means and each having associated operating means, each of said operating means being individually and selectively operable for advancing and retracting said elevating means, d. a lift frame means supported on the plurality of elevating means, said lift frame means being adapted to engage and support a vessel bottom, e. a single motor means mounted between said turntable means and said frame means, and f. coupling means operatively connected to each operating means and to the motor means, said coupling means being operable to selectively actuate said elevating means whereby to adjust the level of said lift frame means and to tilt the same relative to a horizontal plane.

Claim 12

Apparatus for handling a bottom which is attachable to and detachable from a bottom blown steel converter vessel, said apparatus comprising: a. a base means, b. turntable means journaled for rotation on said base means about a nominally vertical axis, c. a plurality of spaced apart, reversible jack means mounted on said turntable means and each having associated operating means for actuating said jack means and having extensible means, said jack means being disposed on said turntable means, d. a lift frame means supported on the plurality of extensible means, said lift frame means being adapted to engage and support a vessel bottom, e. a single motor means mounted between said turntable means and said frame means, and f. clutch means operatively coupled to each operating means and to the motor means, said clutch means being individually and selectively operable to selectively actuate said jack means whereby to adjust the level of said lift frame means and to tilt the same relative to a horizontal plane.

Claim 13

Apparatus for handling a bottom which is attachable to and detachable from a bottom blown steel converter vessel, said apparatus comprising: a. a base means, b. turntable means journaled for rotation on said base means about a nominally vertical axis, c. a plurality of spaced apart, reversible jack means mounted on said turntable means and each having associated operating means for actuating said jack means and having extensible means, said jack means being disposed on said turntable means, d. a lift frame means supported on the plurality of extensible means, said lift frame means being adapted to engage and support a vessel bottom, e. a single motor means mounted between said turntable means and said frame means, and f. clutch means operatively coupled to each operating means and to the motor means, said clutch means being individually and selectively operable to selectively actuate said jack means whereby to adjust the level of said lift frame means and to tilt the same relative to a horizontal plane.