| 摘要 |
Drilling device for a rock-drilling machine, which device comprises a column 1 on which the drilling machine 2 is intended to be arranged in such a way that it can be displaced, and an attachment 4 secured on the column, namely a manoeuvring attachment by means of which the device is intended to be connected to devices 5, such as a digging machine, for manoeuvring the drilling device, where the column is intended to assume an upright position during drilling, in the present case a position deviating from the vertical, and where the drilling machine is intended, during successive drillings, to be displaced downwards along the column. The device is characterized in particular by the fact that the manoeuvring attachment 4, intended to connect the drilling device to the said devices 5 for manoeuvring of the same, can be displaced along the column 1 between two positions, constituting an upper position and a lower position for drilling, and intended to assume the said lower position during drilling and to carry and thereby lift the drilling machine 2 during displacement in the direction from the lower position to the upper position for drawing out the drill 2'. <IMAGE> |
