INSTALLATION DE FORAGE ET PROCEDE DE MANOEUVRE DES TIGES DE FORAGE DANS CETTE INSTALLATION

摘要

Drilling installation comprising a support and positioning subassembly above a drill hole location, a storage unit for drilling, normal or heavy duty drilling steps that coexist with a drilling tool, such as a drill bit, as well as and a suspension and rotation assembly of the gasket during its extraction or insertion from / into the probe bore, having mainly a feather and a clamp, characterized in that the supporting and positioning subassembly (A) are assembled as a whole (B) for guiding, lifting and lowering a hydraulic drill head (E).