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US 3,957,203 AGranted
Mobile refractory gunning device
AssigneeUnited States Steel Corporation
InventorHaran W. Bullard
Life of this patent
Estimating the term…
Abstract
A mobile gunning apparatus is disclosed that is particularly adapted for applying refractory material to the interior of coke ovens, or the like. The apparatus is arranged for mounting on a wheeled vehicle and includes an extendable boom carrying the gunning nozzle and structure enabling the boom and nozzle to be universally movable with respect to the vehicle.
Claims8
Gunning apparatus comprising:
- a. a base;
- b. a boom support frame vertically spaced from said base;
- c. gunning boom means operatively mounted in said boom support frame;
- d. an upstanding mast interconnecting said boom support frame and said base including:
- i. vertically extendable and retractable fluid motor means mounted on said base and being generaly upstanding therefrom;
- and
- ii. an elongated cylindrical sleeve having an upper end in engagement with said boom support, said sleeve concentrically enclosing said fluid motor means and being connected thereto for vertical movement in response to the extension or retraction thereof;
- and
- iii. means for rotating said boom support frame with respect to said sleeve.
6 more elements
A mobile refractory gunning apparatus comprising:
- a. a base;
- b. a substantially vertical mast connected to said base;
- c. lifting means connected to said mast for moving said mast vertically;
- d. a mast track frame surrounding said mast and having thereon vertical wear plates adapted to be engaged by guide rolls;
- e. a mast carriage connected to said mast and having a plurality of guide rolls bearing against said wear plates;
- f. a cylindrical mast cap situated atop and around said mast;
- g. drive means connected to said mast and to said mast cap for rotating said mast cap about its vertical axis;
- h. a boom support frame, having a generally horizontal longitudinal axis, connected to the upper extremity of said mast cap;
- i. a boom support journaled for rotation in said boom support frame;
- j. a boom seated in said boom support, said boom comprising a hollow structural tube closed at both ends to form a cooling chamber therein, and carrying a water inlet pipe and a water outlet pipe, each extending through one end to the interior of the boom, and a slurry pipe extending through the length of the boom and terminating in a slurry spray nozzle;
- k. boom support rotating means mounted on said boom support frame and engaging said boom support for rotating said boom support about its longitudinal axis;
- l. means connected to said boom support for traversing said boom along its longitudinal axis;
- and
- m. means connected to said mast cap and to said boom support frame for tilting said boom support frame and said boom and boom support about a horizontal axis.
11 more elements
Dependencies are inferred from the claim text.