| 摘要 |
<p>Drilling device comprises a pipe hopper (30) which can be axially displaced with a drill pipe (6) opposite a carriage (22). An independent claim is also included for a method for producing a drilling column in the ground using the above drilling device. Preferred Features: The hopper is arranged axially above the drill drive unit (11) and the drill pipe is arranged axially below the drill drive unit. A rotary coupling (60) is arranged between the hopper and the drill pipe to decouple the drill pipe from the hopper.</p> |
