| 摘要 |
The invention relates to a drilling device and a drilling method for drilling inside a casing tube, wherein the drilling apparatus has a supporting frame with a fastening means for fixation with respect 5 to the casing tube and a drilling tool, which is driven in a rotating manner via a telescopic rod by means of a drill drive arranged on the supporting frame. An emptying station for attachment to the upper end of the casing tube is provided, wherein the supporting frame of the drilling apparatus can be fastened on the emptying station. For emptying the drilling tool of drill cuttings the emptying station has an unloading means, which is adjustable for receiving the drill cuttings. The unloading means is 10 designed for conveying the drill cuttings away from the emptying station. |
