Soletanche Freyssinet

Compagnie Du Sol

Laurent Pivert

Daniel Perpezat

Régis Bernasinski

Sara Cascarino

Philippe Chagnot

Marie Lebreton

Régis Bernazinski

Regis Bernasinski

A drilling machine () for making an excavation in ground (S) in a vertical drilling direction (F). The drilling machine () includes: a support () having a longitudinal direction (L); a drilling module () provided with cutter members (), the drilling module being movable in translation relative to the support; and a movement device arranged between the support and the drilling module in order to move the drilling module () relative to the support along the longitudinal direction of the support. The machine is characterized by the fact that the movement device includes a damper () for damping the vibration generated by the drilling module while drilling.

Drilling machine

A drilling machine for drilling ground in a vertical direction, the machine including: an anchor module having front and rear faces, the anchor module including an anchor device having front and rear anchor pads that are deployable in a deployment direction, to bear against walls of the excavation to hold the anchor module stationary in the ground. The anchor module further includes: a frame carrying the front and rear anchor pads, the frame supporting the drilling module; and an actuator device to which the front and rear anchor pads are fastened, the actuator device being movable relative to the frame in a movement direction that extends transversely to the longitudinal direction; whereby the assembly constituted by the front anchor pad, the rear anchor pad, and the actuator device is movable in the movement direction relative to the frame and the drilling module.

Drilling machine equipped with an anchoring device allowing the horizontal movement of the drilling module in the anchored position

A drilling machine () for making an excavation in ground in a drilling direction that is substantially vertical, the drilling machine including: an anchor module () having at least one anchor element for preventing the anchor module from moving relative to the walls of the excavation in the drilling direction, the anchor module having a longitudinal direction that is substantially vertical; a drilling module () provided with cutter members, the drilling module being movable in translation relative to the anchor module in the drilling direction; and a movement device () arranged between the anchor module and the drilling module in order to move the drilling module in translation relative to the anchor module in the drilling direction. The machine is suspended from a lift cable () that is fastened to the drilling module ().

The invention relates to a drilling machine () for making an excavation in ground in a drilling direction, said drilling machine comprising: an anchor module () having an anchor device for preventing the anchor module from moving in the drilling direction relative to the ground by bearing against one of the walls of the excavation; The drilling module is also hinged relative to the anchor module, and the drilling machine comprises first path correction means () for causing the drilling module to pivot relative to the anchor module about a pivot axis (X) perpendicular to the drilling direction.

An excavation machine including &#x2014;a mast having a longitudinal direction, &#x2014;a bar presenting a first end provided with an excavation tool, and &#x2014;a carriage movable along the longitudinal direction of the mast and including a first holder member for holding the bar relative to the carriage, the carriage being suitable for moving the bar along the longitudinal direction of the mast. The first holder member is pivotable relative to the carriage and by the fact that the first holder member presents a locked state in which the bar is prevented from moving in translation relative to the carriage, and an unlocked state in which the bar is free to move in translation relative to the carriage.

Excavation machine with a pivotable kelly bar

The invention relates to a vibrator device for a vibratory compacting machine, said device comprising: a tubular body extending longitudinally and having a bottom end; at least one first hydraulic motor disposed in the tubular body and comprising a rotor and a stator; an eccentric member arranged inside the tubular body between the bottom end and the first hydraulic motor, said eccentric member being adapted to be rotated by the rotor of the first hydraulic motor so as to generate vibration. The invention is characterized in that the stator of the first hydraulic motor is constituted by the tubular body.

Hydraulically-driven vibrating device for a vibratory compacting machine

The invention relates to a cutter head for a ground cutter machine having at least one cutter motor. Each cutter motor comprises:

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Rueil-Malmaison, France

Laurent Pivert