Remotely sensing of excavation cavity during mining

Details Remotely sensing of excavation cavity during mining Remotely sensing of excavation cavity during mining

E - Fixed Constructions

21

C

343/6, 262/68

E21C 25/60 (2006.01) E21C 45/00 (2006.01)

Patent

CA 1241672

-12- ABSTRACT FOR DISCLOSURE USSN 668,543, ICR 7181 Remotely Sensing of Excavation Cavity During Mining Abstract Method and apparatus for hydraulically mining a loca- tion using a hydraulic monitor which has horizontal and vertical positionable control apparatus. The hydraulic monitor is connected to a source of high pressure water. Distance and direction measuring equipment are mounted on the monitor and controlled in a manner to scan the location. The output from the distance and direction measuring equipment is inputted to a computer and a visual video display monitor. The computer converts the informa- tion from the distance and direction measuring equipment to a visual representation of the cavity being mined. The hydraulic monitor includes a means for diverting the high velocity jet during the distance measuring period so that the water pressure is not varied in the high pressure pipe and the mined material is continuously washed toward the collection apparatus during the measuring period. All hydraulic monitor functions are controlled from remote operator location.

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