Drilling Rig And Method Of Manoeuvring A Drilling Rig

Abstract

Boring rig for extraction boring below ground, wherein the boring rig includes: a boring unit ( 1 ) having a length direction (L) and two lateral directions (S 1 ,S 2 ), and a boring aggregate ( 5 ) being supported by the boring unit ( 1 ) said boring aggregate ( 5 ) being equipped with rotation and thrusting means for a cutting head ( 6 ) and being pivotally adjustable for boring in direction essentially perpendicular to the length direction (L). The boring unit ( 1 ) at one end, as seen in said length direction, is connected over a first swing joint ( 14 ) to a first drive unit ( 2 ), that the boring unit ( 1 ) at its second end, as seen in said length direction, is connected over a second swing joint ( 15 ) to a second drive unit ( 3 ). Each drive unit ( 2,3 ) has at least two wheels ( 8,10 ) which are arranged individually drivable on a wheel axis, and the position of the boring unit ( 1 ) is adjustable by the first swing joint ( 14 ) as well as the second swing joint ( 15 ) being adjustable. The invention also concerns a method.

1 . Boring rig for extraction boring below ground, wherein the boring rig includes:
 a boring unit ( 1 ), and   a boring aggregate ( 5 ) being supported by the boring unit ( 1 ), said boring aggregate ( 5 ) being equipped with rotation and thrusting means for a cutting head ( 6 ) and being pivotally adjustable for boring in different direction,   
       wherein:
 the boring unit ( 1 ) has a length direction (L) and two lateral directions (S 1 ,S 2 ), 
 the boring unit ( 1 ) at one end, as seen in said length direction, is connected over a first swing joint ( 14 ) to a first drive unit ( 2 ), 
 the boring unit ( 1 ) at its second end, as seen in said length direction, is connected over a second swing joint ( 15 ) to a second drive unit ( 3 ), 
 each drive unit ( 2 , 3 ) has at least two wheels ( 8 , 10 ) which are arranged individually drivable, and 
 a first angular position of the first swing joint ( 14 ) as well as a second angular position of the second swing joint ( 15 ) are adjustable, whereby the position of the boring unit ( 1 ) in lateral direction (S 1 ,S 2 ) as well as an angular direction of the length direction (L) of the boring unit are adjustable. 
 
     
     
         2 . Boring rig according to  claim 1 ,
 wherein the first and the second swing joints ( 14 , 15 ) in a driving mode are maneuverable together.   
     
     
         3 . Boring rig according to  claim 1 ,
 wherein the first or the second drive unit ( 2 , 3 ) exhibits a lockable rocking joint ( 19 ) for allowing rocking in respect of the boring unit ( 1 ).   
     
     
         4 . Boring rig according to  claim 3 , wherein the lockable rocking joint ( 19 ) adjoins to the swing joint ( 14 , 15 ) between the associated drive unit ( 2 , 3 ) and the boring unit ( 1 ). 
     
     
         5 . Boring rig according to  claim 1 , wherein
 the first drive unit ( 2 ) includes a power unit for supplying the boring rig with hydraulic liquid under pressure.   
     
     
         6 . Boring rig according to  claim 1 , wherein
 the second drive unit ( 3 ) is arranged for receiving drill string components and for providing drill string components to the boring unit ( 1 ).   
     
     
         7 . Boring rig according to  claim 6 , wherein the second drive unit ( 3 ) is an operator's unit and exhibits an interface for operator co-operation. 
     
     
         8 . Boring rig according to  claim 1 , wherein
 the boring unit ( 1 ) and the first and the second drive units ( 2 , 3 ) are constructed as modules being connectable as desired to the boring unit ( 1 ) forming a boring module in order to form said first or second swing joint ( 14 , 15 ) together therewith.   
     
     
         9 . Boring rig according to  claim 8 , wherein said first and second swing joints ( 14 , 15 ) are constructed as quick releasable joints with mechanical as well as hydraulic quick couplings. 
     
     
         10 . Boring rig according to  claim 1 , wherein
 said first and second swing joints ( 2 , 3 ) are maneuverable through any one of: hydraulic cylinders ( 7 ) acting between the boring unit and the respective drive unit; individual control of the drivable wheels ( 8 , 10 ) of the drive units.   
     
     
         11 . Boring rig according to  claim 1 , wherein
 the boring unit ( 1 ) is provided with lifting jacks ( 13 ) for lifting the entire boring rig.   
     
     
         12 . Boring rig according to  claim 1 , wherein
 the boring unit ( 1 ) is provided with stabilizing jacks ( 16 ) for fastening the entire boring rig against adjacent rock sides.   
     
     
         13 . Method for maneuvering a boring rig for boring below ground, wherein the boring rig includes:
 a boring unit ( 1 ), and   a boring aggregate ( 5 ) being supported by the boring unit ( 1 ), said boring aggregate ( 5 ) being equipped with rotation and thrusting means for a cutting head ( 6 ) and being pivotally adjustable for boring in different direction,   
       wherein:
 the boring unit ( 1 ) at one end, as seen in a length direction, over a first swing joint ( 14 ) is swung in respect of a first drive unit ( 2 ), 
 the boring unit ( 1 ) at its second end, as seen in said length direction, over a second swing joint ( 15 ) is swung in respect of a second drive unit ( 3 ), 
 each drive unit ( 2 , 3 ) is driven by two wheels ( 8 , 10 ) which are arranged individually drivable on a wheel axis, and 
 a first angular position of the first swing joint ( 14 ) as well as a second angular position of the second swing joint ( 15 ) are adjusted, whereby the position of the boring unit ( 1 ) in lateral direction (S 1 ,S 2 ) as well as an angular direction of the length direction (L) of the boring unit are adjusted. 
 
     
     
         14 . Method according to  claim 13 ,
 that wherein the first and the second swing joints ( 14 , 15 ) in a driving mode are maneuvered together.   
     
     
         15 . Method according to  claim 13 ,
 wherein the boring unit ( 1 ) rocks in respect of one of the first or the second drive unit ( 2 , 3 ) through a lockable rocking joint ( 19 ).   
     
     
         16 . Method according to  claim 13 , wherein
 the boring rig is supplied with hydraulic liquid under pressure from a power unit placed in the first drive unit ( 2 ).   
     
     
         17 . Method according to  claim 13 , wherein
 the second drive unit ( 3 ) receives drill string components and provides drill string components to the boring unit ( 1 ).   
     
     
         18 . Method according to  claim 13 , wherein the boring unit ( 1 ) and the first and the second drive units ( 2 , 3 ) are constructed as modules and are connected as desired to the boring unit ( 1 ) forming a boring module in order to form said first or second swing joint ( 14 , 15 ) together therewith. 
     
     
         19 . Method according to  claim 13 , wherein the entire boring rig is lifted through lifting jacks ( 13 ) being provided on the boring unit ( 1 ). 
     
     
         20 . Method according to  claim 13 , wherein the entire boring rig is fastened against adjacent rock sides through stabilizing jacks ( 16 ) provided on the boring unit ( 1 ). 
     
     
         21 . Boring rig according to  claim 2 ,
 wherein the first or the second drive unit ( 2 , 3 ) exhibits a lockable rocking joint ( 19 ) for allowing rocking in respect of the boring unit ( 1 ).   
     
     
         22 . Method according to  claim 14 ,
 wherein the boring unit ( 1 ) rocks in respect of one of the first or the second drive unit ( 2 , 3 ) through a lockable rocking joint ( 19 ).