Surface-assisted continuous underground mining

E - Fixed Constructions – 21 – C

Patent

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Details

E21C 35/20 (2006.01) B65G 41/02 (2006.01) E21C 41/16 (2006.01) E21F 13/08 (2006.01) E21F 17/06 (2006.01)

Patent

CA 2321064

A system for providing utilities and support infrastructure on a continuous basis from the surface to the cutting face of an underground operation. A flexible belt structure system incorporates water supply and discharge lines (102, 106), power and communication cables (112, 120), hydraulic supply and return lines (116), bulk lubrication delivery systems, and belt support structure for underground coal haulage. The system consists of modular components (26) that are added at the surface and connected underground to form a continuous support structure to the working area, such that the infrastructure necessary for the mining operation is expanded or reduced to keep up with the position of the mining face without interruption of operation. The belt structure is mounted on a stationary rail (28) fixed to the roof of the mine and is rolled forward or backwards in the belt entry as the mine advances or retreats, as applicable.

La présente invention concerne un système permettant de fournir en continue des équipements et des infrastructures de soutènement depuis la surface jusqu'à la face d'attaque lors d'une opération de forage souterrain. Un système de structure à courroie flexible comprend des circuits d'alimentation en eau et de décharge (102, 106), des câbles de transmission de force et de communication (112, 120), des circuits de retour et d'alimentation hydrauliques (116), des systèmes d'apport de lubrification non canalisés, et enfin, une structure de support à courroie pour le transport en galerie du charbon. Ce système comprend des composants modulaires (26) supplémentaires montés à la surface et reliés sous terre pour former une structure de soutènement continu au niveau de la zone d'exploitation, de sorte que les infrastructures nécessaires à l'exploitation minière soient développées ou réduites pour qu'elles s'alignent sur la position de la face d'exploitation sans interrompre l'opération. La structure à courroie est montée sur un rail fixe (28) attaché au plafond de la mine et qui roule dans les deux sens dans la galerie d'exploitation horizontale à courroie, selon que le forage minier progresse ou régresse, le cas échéant.

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