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SYSTEM FOR DRILL BIT CHANGE IN A DRILLING RIG, DRILLING RIG COMPRISING SUCH A SYSTEM, AND A METHOD FOR CHANGING DRILL BITS USING SUCH A SYSTEM
SYSTEM FOR DRILL BIT CHANGE IN A DRILLING RIG, DRILLING RIG COMPRISING SUCH A SYSTEM, AND A METHOD FOR CHANGING DRILL BITS USING SUCH A SYSTEM
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机译:用于钻机的钻头变化系统,包括这种系统的钻机,以及使用这种系统改变钻头的方法
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摘要
A drilling rig includes an interchangeable plurality of drill pipes, wherein drill bits are arranged at an end section of an end drill pipe. The drill bit being attached to the end section by means of a threaded connection and torque being provided to the drill bit by means of a splines coupling. The drilling rig comprises a lower support device and a breaker device. The system includes a drill bit storage device arranged to hold a plurality of drill bits, a gripping arm for selective gripping of a drill bit. The gripping arm may further comprise a movement sensor, arranged to monitor movement of the gripping arm, and the system may further comprise a control unit. The control unit being arranged to receive input from the sensors and the drilling rig, and to control movement of the gripping arm, the gripping means, the drill bit storage device, and the breaker device of the drilling rig.
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