Patent ID: 9540887
Date: 2017-01-10
CPC Classifications: E02F,E21B

Claim:
1. An auger cleaning device for removing debris from a helical drilling tool provided with one or more threads and arranged for drilling ground, the cleaning device comprising: a tool-holder support; at least one cleaning tool constrained to the tool-holder support; an actuation system, wherein the cleaning tool is arranged for being actuated by the actuation system and the tool-holder support is arranged for reversibly passing from an open configuration to a closed configuration so that: in the closed configuration the tool-holder support forms a pass-through opening arranged for allowing the passage of the helical drilling tool, the cleaning tool engaging with the one or more threads of the drilling tool and the cleaning tool is arranged for rotating around a longitudinal axis of the drilling tool running along at least one of the one or more threads so as to remove the debris lying on the drilling tool, said cleaning tool being actuated by the actuation system; and in the open configuration the cleaning tool is disengaged from the drilling tool and is disposed farther from the drilling tool in the open configuration than in the closed configuration, and wherein the tool-holder support comprises a first jaw and a second jaw arranged for reversibly opening and closing between the open configuration and the closed configuration of the tool-holder support, each of the first jaw and the second jaw comprising a static part and a rotating part mounted inside the static part, said rotating parts being rotatable about the longitudinal axis of the drilling tool when the first jaw and the second jaw are in the closed configuration; and a locking safety system arranged for locking the rotating parts in a precise position with respect to the static parts enabling the opening of the first jaw and the second jaw from the closed configuration to the open configuration of the tool-holder support when the rotating parts face the corresponding static parts and are completely contained in the corresponding static parts.