Anchoring device for drilling carriage of mobile earth drilling equipment

摘要

The anchoring device is for a drilling carriage of a mobile earth drilling equipment, which has a travel frame (12), a ramp (16) arranged at an incline in relation to the earth surface for holding and guiding a drilling rod (18) and a drive unit for rotating and axial adjustment of the drilling rod. At least one earth anchor (28) is provided and a connecting device (26) for the earth anchor with the drilling carriage (10) in an anchor position in which it is directed at least virtually parallel to the plane of inclination of the ramp. The earth anchor as a shaft (30) which near its one end supports a worm spiral (34) extending at least over 360 deg..