Auxiliary Arm for Drilling Equipment

Abstract

An auxiliary arm for drilling equipment ( 1 ) including a top drive drilling machine ( 4 ) which is vertically movable along a drilling centre ( 10 ), and in which at least one pipe manipulator ( 6 ) is arranged to move pipes ( 8 ) between the drilling centre ( 10 ) and a pipe magazine ( 7 ), and in which, beside the drilling centre ( 10 ), at least one at least remote-controllable or automatically operated auxiliary arm ( 12, 14 ) for the pipe ( 8 ) is arranged, the gripping member ( 24 ) of the auxiliary arm ( 12, 14 ) being positional at least at the drilling centre ( 10 ) or in the working area of the pipe manipulator ( 6 ).

1 . An auxiliary arm for drilling equipment including a top drive drilling machine which is vertically movable along a drilling centre, and in which at least one pipe manipulator is arranged to move pipes between the drilling centre and a pipe magazine, wherein beside the drilling centre and separately from the pipe manipulator, at least one at least remote-controllable or automatically operated auxiliary arm for the pipe is arranged, the gripping member of the auxiliary arm being positional in the drilling centre and in the working area of the pipe manipulator. 
     
     
         2 . The auxiliary arm in accordance with  claim 1 , wherein the auxiliary arm is provided with an inner pivot joint near its attachment, and an intermediate pivot joint between the inner pivot joint and the gripping member. 
     
     
         3 . The auxiliary aim in accordance with  claim 1 , wherein the gripping member is connected to the auxiliary aim by means of an outer pivot joint. 
     
     
         4 . The auxiliary arm in accordance with  claims 2 , wherein at least the inner pivot joint, the intermediate joint or the outer pivot joint is rotatable around more than one axis. 
     
     
         5 . The auxiliary arm in accordance with  claim 1 , wherein at least one portion of the auxiliary arm is rotatable in more than one plane. 
     
     
         6 . The auxiliary arm in accordance with  claim 1 , wherein at least one auxiliary arm is arranged on opposite sides of the drilling centre.