Abstract: The invention relates to a device for winding/unwinding a link adapted to transporter a fluid or transmit energy and/or signals, comprising: a reel (2) adapted to receive said link in wound form, a hollow through shaft (3) adapted to the passage of said link or fluid between a rotating joint and the reel, said hollow shaft (3) being integral with the reel (2) in order to drive said reel in rotation about a longitudinal axis (X) of said shaft, at least one permanent magnet synchronous direct drive motor, comprising a stator carrying windings (10) adapted to be electrically three-phase powered and a rotor carrying the permanent magnets (11) facing windings (10) of the stator.

Abstract: A device for winding/unwinding a link includes, but is not limited to, an input shaft and a hollow through output shaft, the two shafts being coaxial and movable in rotation about a longitudinal axis; a permanent magnet synchronous motor comprising a rotor integral in rotation with the input shaft; a cycloidal reducer comprising an eccentric cam mounted integral in rotation with the input shaft, and a cycloidal disc mounted integral in rotation with the cam, in such a way that a rotation of the cam about the longitudinal axis drives a rotation of the cycloidal disc in an eccentric and cycloidal movement; and a transmission member suitable for transmitting an angular displacement of the cycloidal disc to the output shaft.

Abstract: The invention relates to a device for winding/unwinding a link adapted to transporter a fluid or transmit energy and/or signals, comprising: a reel (2) adapted to receive said link in wound form, a hollow through shaft (3) adapted to the passage of said link or fluid between a rotating joint and the reel, said hollow shaft (3) being integral with the reel (2) in order to drive said reel in rotation about a longitudinal axis (X) of said shaft, at least one permanent magnet synchronous direct drive motor, comprising a stator carrying windings (10) adapted to be electrically three-phase powered and a rotor carrying the permanent magnets (11) facing windings (10) of the stator.

Abstract: The invention describes a device for winding/unwinding a link, comprising: an input shaft (10) and a hollow through output shaft (20), the two shafts being coaxial and movable in rotation about a longitudinal axis (L), a permanent magnet synchronous motor (30) comprising a rotor (31) integral in rotation with the input shaft (10), a cycloidal reducer (50) comprising an eccentric cam (51) mounted integral in rotation with the input shaft (10), and a cycloidal disc (52) mounted integral in rotation with the cam (51), in such a way that a rotation of the cam (51) about the longitudinal axis (L) drives a rotation of the cycloidal disc (52) in an eccentric and cycloidal movement, and a transmission member (60) suitable for transmitting an angular displacement of the cycloidal disc (52) to the output shaft (20).

Abstract: The invention concerns a bobbin (1) for winding and unwinding a link such as a cable or similar, comprising: • a central mandrel (10) comprising two opposing faces (11, 12) perpendicular to a rotational axis (13) of the bobbin (1), • two sets of arms (21) each mounted on a respective opposing face of the central mandrel (10), each arm being in contact with an intermediate support positioned between the two ends of same, • characterized in that the bobbin comprises a plurality of adjustment elements (30) each associated with a respective arm, the actuation of an adjustment element resulting in a force being applied to the associated arm of same through the intermediate support, the application of said force tending to vary the inclination of said arm around the intermediate support in such a way as to adjust the position of said arm in a plane essentially parallel to the rotational axis of the bobbin.

Abstract: The invention concerns a bobbin (1) for winding and unwinding a link such as a cable or similar, comprising:—a central mandrel (10) comprising two opposing faces (11, 12) perpendicular to a rotational axis (13) of the bobbin (1),—two sets of arms (21) each mounted on a respective opposing face of the central mandrel (10), each arm being in contact with an intermediate support positioned between the two ends of same,—characterised in that the bobbin comprises a plurality of adjustment elements (30) each associated with a respective arm, the actuation of an adjustment element resulting in a force being applied to the associated arm of same through the intermediate support, the application of said force tending to vary the inclination of said arm around the intermediate support in such a way as to adjust the position of said arm in a plane essentially parallel to the rotational axis of the bobbin.