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UNDERWATER ROCK BORING SYSTEM MOUNTED WITH A DGPS RECEIVER AND UNDERWATER ROCK BORING METHOD FOR SETTING ACCURATELY THE POSITION OF A BORING MACHINE INSTALLED IN A CENTRAL OPENING UNIT OF A BARGE ON THE ROCK
UNDERWATER ROCK BORING SYSTEM MOUNTED WITH A DGPS RECEIVER AND UNDERWATER ROCK BORING METHOD FOR SETTING ACCURATELY THE POSITION OF A BORING MACHINE INSTALLED IN A CENTRAL OPENING UNIT OF A BARGE ON THE ROCK
PURPOSE: An underwater rock boring system mounted with a DGPS(Differential Global Positioning System) receiver and an underwater rock boring method are provided to set quickly the position of a boring machine without moving the boring machine by receiving the position of the boring machine from a satellite and a base station and moving a barge by a control unit and a barge body moving unit. CONSTITUTION: An underwater rock boring system mounted with a DGPS receiver is composed of a boring machine(20) installed on the upside of a central opening unit of a barge body and attached with the DGPS receiver on the predetermined place of the body; a DGPS unit(30) for receiving position data from a satellite(S) and a base station(E) by the DGPS receiver installed at the boring machine and transmitting the position data through a cable to a control unit(40); a boring data storage unit(50) for keeping the position data and a boring map for indicating a target of the underwater rock to be perforated by an input unit(80); a display unit(70) for marking the position of the boring machine and the target position of the underwater rock and monitoring the whole boring steps; a barge body moving unit(60) for regulating the position of the barge body mounted with the boring machine; and the control unit for showing the boring position data read from the boring data storage unit and the position data of the boring machine received from the DGPS and controlling the barge body moving unit for adjusting the position of the barge body.
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