EP2809571B1 - Receiving assembly for receiving a seagoing vessel and system for recovering and deploying such a vessel in the sea - Google Patents

Receiving assembly for receiving a seagoing vessel and system for recovering and deploying such a vessel in the sea Download PDF

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Publication number
EP2809571B1
EP2809571B1 EP13702954.2A EP13702954A EP2809571B1 EP 2809571 B1 EP2809571 B1 EP 2809571B1 EP 13702954 A EP13702954 A EP 13702954A EP 2809571 B1 EP2809571 B1 EP 2809571B1
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EP
European Patent Office
Prior art keywords
receiving
assembly
receiving assembly
vessel
spring
Prior art date
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Active
Application number
EP13702954.2A
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German (de)
French (fr)
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EP2809571A1 (en
Inventor
Jean-Jacques LOSSEC
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Thales SA
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Thales SA
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Publication of EP2809571A1 publication Critical patent/EP2809571A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B23/00—Equipment for handling lifeboats or the like
    • B63B23/40—Use of lowering or hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B23/00—Equipment for handling lifeboats or the like
    • B63B23/40—Use of lowering or hoisting gear
    • B63B23/60—Additional connections between boat and davits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C3/00—Launching or hauling-out by landborne slipways; Slipways
    • B63C3/06—Launching or hauling-out by landborne slipways; Slipways by vertical movement of vessel, i.e. by crane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/16—Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
    • B63B2027/165—Deployment or recovery of underwater vehicles using lifts or hoists

Definitions

  • the invention is in the naval field and relates more specifically to the handling and lifting systems mounted on buildings floating on the water such as, for example, ships or platforms, allowing launching and recovery of navigating craft, for example, sailors or submarines from these vessels.
  • the gear considered is both towed gear that autonomous gear.
  • the handling and lifting systems generally comprise a handling structure (crane or gantry) integral with the floating vessel.
  • This structure comprises an articulated arm and is provided with a pulley capable of guiding a lifting cable at the free end of the articulated arm in the vertical direction and a winch adapted to wind / unwind this cable.
  • the cable is provided with first attachment means adapted to cooperate with second attachment means to suspend the machine to the hoisting rope.
  • the articulated arm enables the lifting cable to be positioned above the recovery or launching zone to raise or launch the craft and above the storage area located on the building. floating to recover or store the craft.
  • the first attachment means consist of a hook adapted to cooperate with a ring fixed on the machine.
  • the operation can be dangerous for the equipment (risk of shocks between the machine and the sea, the floating vessel or the handling structure) or for the men in charge of the operation (risk of shocks between the machine and an operator).
  • An object of the invention is to secure these operations of deployment and recovery at sea.
  • the articulated arm moves between a deployed and deployed position in which the end of the arm is located above the water and a removal position in which the end of the arm is located above the position. storing the gear on the floating vessel. Between these two positions, the end of the arm undergoes translation movements (if, for example the arm is telescopic) and pivots about one or more axes.
  • a receiving assembly of a sailing craft comprising a lower portion comprising receiving means defining a hollow adapted to receive the navigating craft.
  • Another object of the invention is to overcome the aforementioned drawbacks.
  • the subject of the invention is a receiving assembly for a navigating craft that can be suspended from an articulated arm of a handling structure equipped with a lifting cable intended to carry a navigating craft and to move it according to a vertical direction, so as to deploy and / or recover said machine at sea from a floating vessel on which is fixed said handling structure, said receiving unit comprising a lower part comprising receiving means of said machine, said receiving means having a passage through which is able to pass the cable, said receiving means defining a hollow adapted to receive said machine when it is suspended from the hoisting rope and being arranged to ensure the locking of the rotational movements and translation in the vertical upward direction, of a navigating craft having a generally tubular shape, with respect to the receiving means when the craft is received by the hollow and comes to bear against them.
  • Another subject of the invention is a device for deploying and recovering a navigating craft from a floating vessel comprising a handling structure comprising an articulated arm to which a reception assembly according to the invention is suspended.
  • the invention further relates to a method of using a device for deploying and recovering a navigating machine according to the invention in which before moving the articulated arm to move the receiving assembly when the machine is hooked to the hoisting rope, the hoisting rope is wound so that the machine comes to press against the receiving means and compress the spring approximately halfway.
  • FIG. 1 there is shown a device for deploying and recovering a navigating craft 1, according to the invention, comprising a receiving assembly 2, according to the invention, suspended from a handling structure 3.
  • the handling structure 3 is integral with a floating vessel 5 which is, for example, a boat or platform floating on the water.
  • the handling structure 3 comprises an arm 4, called articulated arm in the following text, which is suspended the receiving assembly 2.
  • the articulated arm 4 is telescopic but may not be.
  • the articulated arm 4 could, alternatively, be fixed directly to the floating building and, for example, have an arched shape.
  • the handling structure 3 is a crane comprising a first arm 6 integral with the floating vessel, a second arm 7 hinged on the one hand to the first arm 6 and on the other hand to the articulated arm 4 to which is suspended the receiving assembly 2 .
  • the articulated arm 4 comprises a first end articulated to the second arm 7.
  • the articulated arm 4 also comprises a free end 41 at which the receiving assembly 2 is advantageously suspended.
  • the handling structure 3 could also be a gantry comprising a first arm integral with the floating building and an arm articulated to this first arm and to which the reception assembly 2 is suspended.
  • the handling structure 3 is provided with a lifting cable 8 intended to tow the craft 1 in the vertical direction z defined by the weight of the craft.
  • the cable 8 is only partially represented.
  • the handling structure 3 is also provided with a winch 10 for winding and unwinding the cable 8 and means, not shown, allowing an operator to control the winch 10 for winding and unrolling the hoisting rope 8.
  • the hoisting rope 8 is guided in the vertical direction z by means of a guide pulley 9. As visible on the figure 4 the pulley 9 is included in the reception assembly 2. This solution makes it possible to simplify the interfaces between the reception assembly 2 and the crane 3. It is easier to integrate the pulley with the receiving assembly than with the pulley 9. provide interfaces between the receiving assembly and a pulley already attached to the crane.
  • the pulley is integral with the articulated arm 4.
  • the hoisting rope 8 is provided with first hooking means made here in the form of a hook 12, able to cooperate with second attachment means 13 fixed to the machine 1 so as to be able to suspend it to the cable of lifting 8, that is to say, so as to be able to carry it, and to pull it, or to move it, in the vertical direction z.
  • the receiving assembly 2 comprises an upper part 14 comprising the pulley 9 and a lower part 15 comprising receiving means 16 facing the navigating craft 1.
  • the upper part 14 is located, in the vertical direction z, at a height greater than the height of the receiving means when the receiving assembly 2 is suspended from the articulated arm 4.
  • the reception means 16 are described more precisely with reference to the figure 2 .
  • the reception means 16 have a passage 20 in which the cable 8 is able to pass.
  • the receiving means 16 delimit a recess 18 capable of receiving the navigating craft 1 when it is suspended from the hoisting rope 8 so that the sailing craft 1, come to bear against the means of reception 16.
  • the receiving means 16 are arranged to ensure the locking at least of the rotational and translational movements in the vertical direction z upwards, of a navigating vehicle 1, with respect to the receiving means 16, when the machine navigant 1 is received by the hollow 18 and comes to bear against them.
  • This feature makes it possible to avoid, when the machine is suspended from the hoisting rope 8, the oscillation movements of the machine around the hoisting rope 8. It thus makes it possible to secure deployment and seaming maneuvers. of the navigating craft.
  • the machines have a tubular shape with an oval or round profile.
  • the receiving means 16 are arranged to block the movements mentioned above of a navigating craft having a generally tubular shape.
  • the receiving means 16 are, for example, dimensioned to ensure the locking of a craft 1 whose hull has a bending diameter of between 300 and 330 mm.
  • the receiving means 16 have a U-shaped profile which delimits a hollow 18.
  • the receiving means generally have the shape of a saddle horse.
  • the U is open downwards when the receiving assembly 2 is suspended from the crane 3. In other words, it turns its back to the upper part 14.
  • the U has two lateral wings 17 extending on either side of a core 21 forming the back of the U.
  • the core 21 extends in a horizontal plane transversely between the two wings 17 and longitudinally to a thickness e represented on the figure 3 .
  • the passage is arranged so as to allow the attachment means 12, 13 to pass.
  • the navigating craft 1 which has a generally tubular shape (with a generally oval or round profile) is housed in the recess 18 and bear against the soul 21 and the wings 17 of the U. In other words, in this configuration, the receiving means 16 are straddling the craft 1.
  • the soul 21 serves vertical abutment and wings 17 serve as lateral stops on either side of the craft 1 along an axis perpendicular to the vertical direction.
  • the reception means 16 have a function of capturing and stabilizing the navigating craft 1.
  • the saddle shape on horseback makes it possible to immobilize the seagoing craft 1 even if it is not horizontal (that is to say when the longitudinal axis x of the seagoing craft is not perpendicular to the axis z) at the moment when it comes into abutment against the receiving means 16. It is the shape of the receiving means that forces it to put itself in this position. More particularly, this stems from the fact that the core 21 has a certain length l, and more particularly that it forms a vertical abutment extending over a certain length.
  • the core has a length of about 90 cm.
  • the free ends of the wings have a length of about 10 cm. Therefore, when the machine is low, the wings leave a lot of freedom to the machine (including a degree of freedom in rotation about the z axis) and when the machine bears against the soul, gear is very constrained and the rotation of the machine relative to the receiving means around the z axis is blocked.
  • the U is flared. This allows angular deviations of the longitudinal axis of the yaw gear up to 45 ° with respect to the longitudinal direction (or the direction of the length l) of the soul of the U.
  • the shape of the receiving means facilitates the locking of the machine within the receiving means 16. It is not necessary that the axis of the machine is aligned with the soul of the U so that the recovery of the machine by the receiving means can be done.
  • the wings 17 are advantageously flared from their respective free ends to the core 21.
  • they generally have the shape of a triangle pointing downwards.
  • the receiving means 16 comprise means for absorbing shocks with the machine 1, when it enters the hollow.
  • the wings 17 and / or the core 21 are made for this purpose at least partially elastically deformable compressible material. This feature also allows to block gear with different radii of curvature or irregular shapes or more complex than a right cylinder.
  • the wings 17 are made of compressible foam coated with a polyurethane skin resistant to the marine environment, abrasion.
  • the compressibility of the foam is chosen according to the use (density more or less important for absorb shocks and gear profiles).
  • the foam has a density of between 50 and 80 kg / m 3 .
  • the core 21 comprises two vertical stops 19 (more visible on the Figures 3a to 3c ) disposed on both sides of the wings 17 and against which the machine 1 is intended to bear when an operator winds the cable 8.
  • these vertical stops 19 are made at least partially of elastically deformable compressible material, for example, with the same materials as the wings.
  • the shape and dimensions of the receiving means can be easily adapted to block the movements of aircrafts with different diameters and shapes. It suffices to provide receiving means delimiting forming a bearing surface complementary to the shape of the navigating craft to be recovered around the second attachment means 13.
  • the lower part 15 comprises a spring 22 arranged so as to make it possible to move the receiving means 16 away from a sole plate 40, fixed in translation relative to the articulated arm 4, in the vertical direction z when the receiving assembly 2 is suspended in the handling structure 3 (and is in its equilibrium position).
  • spring 22 is meant a functional means for exerting a calibrated force in a predetermined direction.
  • the predetermined direction here is perpendicular to the core 21 of the U.
  • This functional means advantageously comprises at least one compression spring strictly speaking as in the embodiment shown in the figures of the patent application.
  • the spring 22 is arranged to be able to move the lower part 15 of the sole 40 in a predetermined direction which is intended to be the vertical direction when the receiving assembly 2 is suspended from the crane 3 and is in a balance position.
  • the spring 22 is suspended from the soleplate 40 and the receiving means 16 are suspended from the spring 22.
  • the receiving means 16 exert on the spring 22 a force tending to lengthen it in the vertical direction z which is also the direction defined by the weight of the receiving means 16.
  • the axis of the spring extends according to the vertical direction z.
  • the reception assembly 2 and the spring 22 are in their respective equilibrium positions.
  • the core 21 of the U extends perpendicularly to the vertical direction z.
  • the reception assembly 2 also comprises guiding means 23 in translation, leaving, between the sole 40 and the receiving means 16, a degree of freedom in translation in a guide direction which is perpendicular to the core of the U.
  • This guiding direction is the vertical direction z, when the receiving assembly 2 is suspended from the crane 3 and in its equilibrium position.
  • the reception assembly 2 is first suspended from the crane 3 so that the pulley 9 guides the hoisting rope 8 in the vertical direction z and so that it can pass through the passage 20.
  • the spring 22 is disposed above the passage 20. The cable 8 also passes through the spring 22.
  • An operator operates the crane 3 so as to position the receiving assembly 2 above the machine 1 at sea. This is, for example, achieved by pivoting the articulated arm 4 about a vertical axis.
  • An operator unwinds the hoisting rope 8, by means of the winch 10, so as to position the hook 12 which is installed at its free end close to the second attachment means 13.
  • the free end of the cable 8 is positioned below the receiving means 16, that is to say at a height less than the height of the latter.
  • the hook 12 disposed at the end of the lifting cable 8 is lowered near the second attachment means 13 made here in the form of a lifting ring.
  • An operator with a long pole connected to the hook 12 mechanically binds the hook 12, and therefore the cable 8, to the lifting ring 13 secured to the sailing vessel 1 in order to lift it.
  • the upper part of the machine 1 is housed in the hollow 8.
  • the hook 12 and the ring 13 pass through the passage 20 and the machine 1 comes to bear against the receiving means 16. More specifically, the machine bears against the vertical stops 19 and against the wings 17.
  • the receiving means 16 are found astride the machine 1.
  • the cable 8 exerts on the machine 1, a tensile force oriented in the vertical direction upwards.
  • the machine 1 presses the receiving means 16 which move upwards in the vertical direction z (defined by the guide means) and compress the compression spring 22.
  • the spring 22 reacts and then exerts on the machine 1, via the receiving means 16, a force in the vertical direction z oriented downwards. This last effort, called plating force, has the effect of pressing the machine 1 against the receiving means 16.
  • the spring 22 ensures a continuous plating of the machine against the receiving means. This ensures permanent immobilization of the machine by the receiving means.
  • the presence of the spring and the guide means has a real advantage over the solutions of the prior art. It makes it possible to secure the deployment and placing operations at sea, in particular during the phases of movement of the free end of the articulated arm, while at the same time requesting the crane operator, being inexpensive and not requiring of energy supply.
  • the spring 22 is compressed or extended respectively, while continuously exerting a plating effort on the machine 1.
  • the plating force stabilizes the machine during these operations.
  • This solution also increases the tension in the hoisting rope 8 without risking the safety limits of the crane lifting winch, when crane movements 3 cause a rise of the machine in the saddle.
  • the operator uses the receiving assembly according to the invention as follows: before moving the articulated arm 4 to move the receiving assembly 2 when the machine 1 is hooked to the lifting cable 8, it winds the hoisting rope 8 so that the machine 1 comes to press against the receiving means 16 and compress the spring 22 approximately halfway.
  • the stroke of the spring 22 is the distance traveled by the end of the spring between its equilibrium position in which the receiving means 16 are suspended at its end and its compression position in which it is compressed to the maximum.
  • the stroke of the spring between its equilibrium position in which the receiving means are suspended from the spring and its compressed position in which it is compressed to the maximum is between 100 mm and 300 mm.
  • the crane operator must be attentive and operate the hoist winch 10 to adjust the position of the machine 1 in vertical, within the receiving means 16 and verify that the movements of the end of crane 3 do not exceed the half-travel of the spring upwards or downwards.
  • the receiving assembly comprises at least one visual indicator coupled to the spring to give a crane operator a visual indication of the state of compression of the spring.
  • the reception set includes several visual indicators.
  • These visual indicators are installed on the guiding means 23.
  • the guide means are passive guiding means.
  • the guide means are coupled to the spring 22 so that when the spring 22 is compressed or stretched, the guide means 23 guide the movement of the receiving means 16 relative to the sole 40 in the direction z.
  • the guide means 23 are made in the form of an articulated assembly also called pantograph system. This device comprises articulations about axes parallel to each other and perpendicular to the guiding direction.
  • the guide means 23 have a hexagon shape in a plane parallel to the axis of the spring 22 and perpendicular to the core 21.
  • the hexagon is thick enough to delimit a housing 30 in which the spring 23 is housed.
  • the articulated hexagon 23 comprises two pairs of consecutive sides 31, 32, and 33, 34 each comprising a first 35, 36 and a second 37, 38 non-consecutive vertices articulated to the sole 40 and, respectively, to the core 21 receiving means 16.
  • the hexagon comprises two free vertices 41, 42 defining a diagonal of the hexagon having a variable length and extending in a plane perpendicular to the degree of freedom in translation defined by the guiding means 23.
  • All the joints are made along axes parallel to each other and perpendicular to the degree of freedom in translation defined by the guide means 23.
  • the first 31, 32 and second 33, 34 pairs of consecutive sides are connected by two pairs of parallel rods 43, 44 and 45, 46.
  • first 31, 32 and second 33, 34 pairs of sides each comprise an upper side 31, 33 and a lower side 32,34.
  • a first pair of parallel links 43, 44 connects the upper side 31 of the first pair of consecutive sides to the lower side 34 of the second pair.
  • a second pair of parallel links 45, 46 connects the lower side 32 of the first pair of consecutive sides to the upper side 33 of the second pair of consecutive sides.
  • the visual indicators I1, 12, 13, I4 are arranged on the links of a link pair 43, 44. They are arranged so as to form different geometrical figures when the spring is halfway, compressed to the maximum and in his position of equilibrium.
  • They comprise a first pair of visual indicators I1, I2 and a second pair 13, I4 of visual indicators arranged on the respective links 43, 44 of a pair of parallel links so as to move in the direction of the links in the links. opposite directions when compressing or elongating the spring.
  • the first I1, second 12, third I3 and fourth I4 visual indicators extend longitudinally along first x1, second x2, third x3, fourth x4 respective parallel axes.
  • the indicators I1, 12, 13, I4 extend longitudinally along 4 different axes x1, x2, x3, x4 respectively. It is this geometrical figure that the operator tries to obtain before any crane movement.
  • each visual indicator has a different color guide means 23 so as to be easily identifiable by an operator.
  • the reception assembly 2 is arranged so as to be suspended from an articulated arm 4 of a handling structure 3 while leaving at least one degree of freedom in rotation between the lower part 15 of the reception assembly 2 and the handling structure 3.
  • the lower part 15 is fixed in rotation about the vertical axis z with respect to the articulated arm 4.
  • This characteristic makes it possible to orient the lower part 15 definitively according to the desired kinematics so that its own geometry ensures an ad hoc orientation both in its starting position, characteristic of the recovery over water, and in its final position, above the platform.
  • the reception unit 2 comprises, as visible on the figure 4 , means 24, 25 for damping the relative movements between the suspension arm 4 and the lower part 15 of the receiving assembly 2 according to at least one of these degrees of freedom in rotation. These means are not necessarily part of the reception set 2.
  • damping means are passive.
  • Passive means means means that do not require input of electrical energy.
  • the reception assembly 2 is suspended from the articulated arm 3 so as to leave free two degrees freedom in rotation between the receiving means 16, and here more precisely between the lower part of the receiving means 14, and the articulated arm 4, about two axes r, perpendicular to the axis of the spring 22.
  • the lower part 15 is fixed rotatably to the pulley 9 around a first axis, called the first pitch axis t which is also perpendicular to the axis of the spring 22.
  • the pulley 9 is provided with attachment means 27a intended to cooperate with complementary means 27b, visible on the figure 2 , integral with the articulated arm 4 (which are here orifices) so as to fix said pulley 9 to rotate about the roll axis r.
  • the receiving assembly 2 is arranged so that the axis of the spring extends in the vertical direction z when the receiving assembly is in its equilibrium position around which it is able to oscillate (around the axes roll and pitch) when suspended from the articulated arm 4.
  • the receiving assembly 2, and more specifically the upper part 14, comprises means 24, 25 for damping these two rotational movements.
  • These means 24, 25 comprise first damping means 24 for damping the relative movements of the lower part 15 of the receiving assembly 2 relative to the arm about the roll axis r and the second damping means 25 to damp the relative movements of the lower portion 15 of the receiving assembly 2 relative to the arm about the pitch axis t.
  • viscoelastic dampers 28 comprise viscoelastic dampers 28 but one could as well use another type of passive damper.
  • the viscoelastic dampers comprise for example a silicone oil whose viscous properties allow the absorption of the energy induced by the dynamic movements.
  • the first damping means 24 comprise two viscoelastic dampers 28 designed to be arranged so as to damp the rotational movements around the roll axis r.
  • these viscoelastic dampers 28 are connected, on the one hand to the pulley 9 and on the other hand to the articulated arm 4 by attachment means 50 rotatably attached to the arm 4 about an axis parallel to the pitch axis t.
  • the second damping means 25 comprise a damper 28 arranged to damp the rotational movements around the pitch axis t. It is connected on the one hand to the lower part 15 (and more precisely to the sole 40) and on the other hand to a damping arm 29, integral with the pulley 9.
  • the receiving assembly 2 advantageously comprises mechanical fuses, not shown, provided for shearing and disconnecting the lower part 15 of the crane 3 when the amplitude of the relative oscillation movement of the lower part 15 with respect to the crane is too important.
  • These fuses comprise at least one fuse designed to shear when the lower portion 14 of the reception assembly forms, around the roll axis, an angle greater than a first predetermined threshold angle with its equilibrium position in which the the axis of the spring is vertical and / or at least one fuse designed to shear when the lower portion 14 of the receiving assembly forms, around the roll axis, an angle greater than a second predetermined threshold angle with its position of equilibrium in which the axis of the spring is vertical.
  • the first angle is, for example, equal to 20 ° and the second angle is, for example, equal to 35 °.
  • fuses are, for example, mounted at the interface between each damper and the crane. They shear when the associated damper has reached its maximum stroke. When shearing, they partially disconnect the saddle of the crane to protect it from peaks of effort that it would not be able to withstand.
  • the lower part of the receiving assembly is not free to rotate, relative to the lifting arm 4, about a vertical axis.
  • the reception assembly comprises means able to allow rotation of the lower part 15 of the reception assembly 2 around a vertical axis when the reception means 16 transmit to the crane 3 a torque greater than a threshold predetermined.
  • shear pins capable of shearing when the torque transmitted to them by the receiving means 16 is greater than a third predetermined threshold so as to return to the receiving means 16 their freedom of rotation around a vertical axis. This protects both the machine 1 and the crane 3 by preventing the transmission of significant effort to the crane.
  • the receiving assembly 2 is a simple mechanical system that can easily hang from any type of standard crane. It is able to capture a machine, to press against the means of reception and to dampen the movements between the receiving means and the crane without the need for power supply. Because of its passive design, it is simple to implement, to operate, to maintain.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Jib Cranes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

L'invention se situe dans le domaine naval et concerne plus précisément les systèmes de manutention et de levage montés sur des bâtiments flottant sur l'eau comme, par exemple, des navires ou des plateformes, permettant la mise à l'eau et la récupération d'engins navigant, par exemple, marins ou sous-marins depuis ces bâtiments. Les engins considérés sont aussi bien des engins remorqués que des engins autonomes.The invention is in the naval field and relates more specifically to the handling and lifting systems mounted on buildings floating on the water such as, for example, ships or platforms, allowing launching and recovery of navigating craft, for example, sailors or submarines from these vessels. The gear considered is both towed gear that autonomous gear.

Les systèmes de manutention et de levage comprennent généralement une structure de manutention (grue ou portique) solidaire du bâtiment flottant. Cette structure comprend un bras articulé et est munie d'une poulie apte à guider un câble de levage au niveau de l'extrémité libre du bras articulé selon la direction verticale et d'un treuil apte à enrouler/dérouler ce câble.The handling and lifting systems generally comprise a handling structure (crane or gantry) integral with the floating vessel. This structure comprises an articulated arm and is provided with a pulley capable of guiding a lifting cable at the free end of the articulated arm in the vertical direction and a winch adapted to wind / unwind this cable.

Le câble est muni de premiers moyens d'accrochage aptes à coopérer avec des deuxièmes moyens d'accrochage pour venir suspendre l'engin au câble de levage.The cable is provided with first attachment means adapted to cooperate with second attachment means to suspend the machine to the hoisting rope.

Le bras articulé permet de venir positionner le câble de levage au-dessus de la zone de récupération ou de mise à l'eau pour remonter ou mettre à l'eau l'engin et au-dessus de la zone de stockage située sur le bâtiment flottant pour récupérer ou stocker l'engin.The articulated arm enables the lifting cable to be positioned above the recovery or launching zone to raise or launch the craft and above the storage area located on the building. floating to recover or store the craft.

Classiquement, les premiers moyens d'accrochage consistent en un crochet apte à venir coopérer avec un anneau fixé sur l'engin.Conventionally, the first attachment means consist of a hook adapted to cooperate with a ring fixed on the machine.

Lorsque l'engin navigant est suspendu au câble de levage, il oscille autour d'une position d'équilibre dans laquelle il est horizontal et pivote autour du câble de levage.When the craft is suspended from the hoisting rope, it oscillates around an equilibrium position in which it is horizontal and pivots around the hoisting rope.

Ceci est d'autant plus problématique que le bâtiment flottant est soumis à la houle. L'engin navigant est alors facilement déséquilibré et est susceptible de venir heurter durement la structure du bâtiment flottant ou les moyens de levage et de manutention ou encore les manutentionnaires.This is all the more problematic as the floating building is subject to the swell. The navigating craft is then easily unbalanced and is likely to come crashing hard on the structure of the floating vessel or the lifting and handling means or the handlers.

Par ailleurs, les mouvements de transit effectués par le bras articulé via le câble de levage entre la position de récupération ou de mise à l'eau et la position de stockage sur le bateau, même s'ils sont lents et contrôlés, génèrent, en plus de cette excitation de premier ordre, des accélérations supplémentaires qui excitent d'avantage les mouvements de l'engin au bout du câble de grue. Ce mouvements peuvent rendre difficile les opérations de récupération et de mise à l'eau.Moreover, the transit movements made by the articulated arm via the lifting cable between the recovery position or the the water and the storage position on the boat, even if they are slow and controlled, generate, in addition to this excitement of the first order, additional accelerations which excite more the movements of the machine at the end of the cable of crane. These movements can make recovery and launch operations difficult.

Ainsi, en rapport avec l'état de la mer lors de la manoeuvre, l'opération peut s'avérer périlleuse pour l'équipement (risques de chocs entre l'engin et la mer, le bâtiment flottant ou la structure de manutention) ou pour les hommes en charge de l'opération (risque de chocs entre l'engin et un opérateur).Thus, in relation to the state of the sea during the maneuver, the operation can be dangerous for the equipment (risk of shocks between the machine and the sea, the floating vessel or the handling structure) or for the men in charge of the operation (risk of shocks between the machine and an operator).

Un but de l'invention est de sécuriser ces opérations de déploiement et de récupération à la mer.An object of the invention is to secure these operations of deployment and recovery at sea.

Le bras articulé se déplace entre une position de déploiement et de mise à la mer dans laquelle l'extrémité du bras est située au dessus de l'eau et une position de dépose dans laquelle l'extrémité du bras est située au dessus de la position de stockage de l'engin sur le bâtiment flottant. Entre ces deux positions, l'extrémité du bras subit des mouvements de translation (si, par exemple le bras est télescopique) et pivote autour d'un ou plusieurs axes.The articulated arm moves between a deployed and deployed position in which the end of the arm is located above the water and a removal position in which the end of the arm is located above the position. storing the gear on the floating vessel. Between these two positions, the end of the arm undergoes translation movements (if, for example the arm is telescopic) and pivots about one or more axes.

Ces mouvements de l'extrémité du bras génèrent des déplacements verticaux relatifs qui excitent encore un peu plus les mouvements de l'engin au bout du câble de grue. Dans un sens ils font descendre la charge, dans l'autre ils la font monter de façon incontrôlée, rendant plus difficile encore les opérations de récupération et de mise à l'eau.These movements of the end of the arm generate relative vertical movements which further excite the movements of the machine at the end of the crane cable. In one direction they sink the load, in the other they make it rise in an uncontrolled way, making it more difficult recovery and launching operations.

Pour limiter ces accélérations et stabiliser l'engin, dans les solutions de l'art antérieur, les opérateurs enroulent ou déroulent le câble de levage simultanément aux mouvements du bras articulé entraînant une descente ou une montée de l'extrémité du câble de levage, pour que l'engin reste à la même hauteur. Les mouvements de grue étant lents, avec un peu d'expérience, un opérateur est capable de limiter les variations de hauteur de l'engin à un maximum de 100 mm.In order to limit these accelerations and to stabilize the machine, in the solutions of the prior art, the operators wind up or unwind the lifting cable simultaneously with the movements of the articulated arm resulting in a lowering or an ascent of the end of the lifting cable, for that the machine remains at the same height. Crane movements being slow, with a little experience, an operator is able to limit the variations of height of the machine to a maximum of 100 mm.

Toutefois, cette solution présente l'inconvénient de nécessiter une grande disponibilité de l'opérateur.However, this solution has the disadvantage of requiring a high availability of the operator.

Il existe une autre solution consistant à équiper le treuil de traction d'un dispositif de traction constante qui permet lui aussi d'éviter les mouvements verticaux lors du déplacement du bras articulé.There is another solution consisting in equipping the traction winch with a constant traction device which also makes it possible to avoid vertical movements during the displacement of the articulated arm.

Toutefois cette solution, dite active, est coûteuse et nécessite un apport d'énergie électrique.However, this solution, called active, is expensive and requires a supply of electrical energy.

Du document GB 2 150 903 , on connait un ensemble de réception d'un engin naviguant comprenant une partie inférieure comprenant des moyens de réception délimitant un creux apte à recevoir l'engin naviguant.Of the document GB 2,150,903 , there is known a receiving assembly of a sailing craft comprising a lower portion comprising receiving means defining a hollow adapted to receive the navigating craft.

Un autre but de l'invention est de pallier les inconvénients précités.Another object of the invention is to overcome the aforementioned drawbacks.

A cet effet, l'invention a pour objet un ensemble de réception d'un engin navigant pouvant être suspendu à un bras articulé d'une structure de manutention munie d'un câble de levage destiné à porter un engin navigant et à le déplacer selon une direction verticale, de façon à déployer et/ou récupérer ledit engin à la mer depuis un bâtiment flottant sur lequel est fixée ladite structure de manutention, ledit ensemble de réception comprenant une partie inférieure comprenant des moyens de réception dudit engin, lesdits moyens de réception présentant un passage à travers lequel est apte à passer le câble, lesdits moyens de réception délimitant un creux apte à recevoir ledit engin lorsque celui-ci est suspendu au câble de levage et étant agencés de façon à assurer le blocage des mouvements de rotation et de translation selon la direction verticale vers le haut, d'un engin navigant présentant une forme globalement tubulaire, par rapport aux moyens de réception lorsque l'engin navigant est reçu par le creux et vient prendre appui contre eux.For this purpose, the subject of the invention is a receiving assembly for a navigating craft that can be suspended from an articulated arm of a handling structure equipped with a lifting cable intended to carry a navigating craft and to move it according to a vertical direction, so as to deploy and / or recover said machine at sea from a floating vessel on which is fixed said handling structure, said receiving unit comprising a lower part comprising receiving means of said machine, said receiving means having a passage through which is able to pass the cable, said receiving means defining a hollow adapted to receive said machine when it is suspended from the hoisting rope and being arranged to ensure the locking of the rotational movements and translation in the vertical upward direction, of a navigating craft having a generally tubular shape, with respect to the receiving means when the craft is received by the hollow and comes to bear against them.

L'ensemble de réception comprend avantageusement une ou plusieurs des caractéristiques ci-dessous prises seules ou en combinaison :

  • lequel les moyens de réception présentent un profil en U,
  • lequel le U est évasé,
  • le U présente deux ailes reliées par une âme, les ailes étant avantageusement évasées depuis leurs extrémités libres respectives jusqu'à l'âme,
  • les moyens de réception sont réalisés au moins partiellement en matériau compressible déformable élastiquement de façon à amortir les chocs entre l'engin et les moyens de réception,
  • l'ensemble de réception comprend en outre :
    • des moyens de guidage en translation laissant un degré de liberté en translation selon la direction verticale, entre les moyens de réception et une semelle, lorsque ce dernier est suspendu audit bras,
    • et un ressort agencé de façon à permettre d'écarter les moyens de réception de la semelle selon la direction verticale, lorsque ledit ensemble de réception est suspendu audit bras.
  • les moyens de guidage sont des moyens passifs couplés au ressort de sorte que lorsque le ressort est comprimé ou étiré, les moyens de guidage guident le déplacement des moyens de réception par rapport à la semelle selon la direction,
  • il comprend au moins un indicateur visuel couplé au ressort pour donner une indication visuelle de l'état de compression du ressort,
  • il comprend une pluralité d'indicateurs visuels agencés de façon à former des figures géométriques différentes lorsque le ressort est à mi-course, comprimé au maximum et dans sa position d'équilibre,
  • il est muni d'une poulie destinée à guider le câble de levage selon la direction verticale lorsque ledit ensemble de réception est suspendu audit bras,
  • il est agencé de façon à pouvoir être suspendu à un bras articulé d'une structure de manutention en laissant au moins un degré de liberté en rotation autour d'un axe perpendiculaire à la direction verticale entre une partie inférieure de l'ensemble de réception comprenant les moyens de réception et la structure de manutention,
  • il comprend des moyens destinés à amortir les mouvements relatifs entre le bras de suspension et la partie inférieure de l'ensemble de réception selon au moins un degré de liberté en rotation,
  • les moyens destinés à amortir les mouvements relatifs entre le bras de suspension et la partie inférieure de l'ensemble de réception selon au moins un degré de liberté en rotation sont passifs,
  • il comprend au moins un fusible mécanique prévu pour se cisailler et déconnecter la partie basse du bras articulé lorsque l'amplitude du mouvement relatif d'oscillation de la partie basse par rapport audit bras selon au moins un degré de liberté en rotation est supérieur à un seuil prédéterminé.
The reception assembly advantageously comprises one or more of the following characteristics taken alone or in combination:
  • which reception means have a U-shaped profile,
  • which the U is flared,
  • the U has two wings connected by a core, the wings being advantageously flared from their respective free ends to the core,
  • the receiving means are made at least partially of elastically deformable compressible material so as to damp the shocks between the machine and the receiving means,
  • the receiving assembly further comprises:
    • translation guiding means leaving a degree of freedom in translation in the vertical direction, between the receiving means and a sole, when the latter is suspended from said arm,
    • and a spring arranged so as to allow the means for receiving the soleplate to be spaced in the vertical direction, when said receiving assembly is suspended from said arm.
  • the guiding means are passive means coupled to the spring so that when the spring is compressed or stretched, the guiding means guide the movement of the receiving means with respect to the sole in the direction,
  • it comprises at least one visual indicator coupled to the spring to give a visual indication of the state of compression of the spring,
  • it comprises a plurality of visual indicators arranged to form different geometric figures when the spring is halfway, compressed to the maximum and in its equilibrium position,
  • it is provided with a pulley for guiding the hoisting rope in the vertical direction when said receiving assembly is suspended from said arm,
  • it is arranged to be suspended from an articulated arm of a handling structure leaving at least one degree of freedom in rotation about an axis perpendicular to the vertical direction between a lower part of the receiving assembly comprising the receiving means and the handling structure,
  • it comprises means intended to damp the relative movements between the suspension arm and the lower part of the reception assembly according to at least one degree of freedom in rotation,
  • the means intended to damp the relative movements between the suspension arm and the lower part of the reception assembly according to at least one rotational degree of freedom are passive,
  • it comprises at least one mechanical fuse designed to shear and disconnect the lower part of the articulated arm when the amplitude of the relative oscillating movement of the lower part relative to said arm according to at least one degree of freedom in rotation is greater than a predetermined threshold.

L'invention a également pour objet un dispositif de déploiement et de récupération d'un engin navigant depuis un bâtiment flottant comprenant une structure de manutention comprenant un bras articulé auquel est suspendu un ensemble de réception selon l'invention.Another subject of the invention is a device for deploying and recovering a navigating craft from a floating vessel comprising a handling structure comprising an articulated arm to which a reception assembly according to the invention is suspended.

L'invention a en outre pour objet un procédé d'utilisation d'un dispositif de déploiement et de récupération d'un engin navigant selon l'invention dans lequel avant de déplacer le bras articulé pour déplacer l'ensemble de réception lorsque l'engin est accroché au câble de levage, on enroule le câble de levage de façon que l'engin vienne se plaquer contre les moyens de réception et comprimer le ressort jusqu'à mi-course environ.The invention further relates to a method of using a device for deploying and recovering a navigating machine according to the invention in which before moving the articulated arm to move the receiving assembly when the machine is hooked to the hoisting rope, the hoisting rope is wound so that the machine comes to press against the receiving means and compress the spring approximately halfway.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit, faite à titre d'exemple non limitatif et en référence aux dessins annexés dans lesquels :

  • la figure 1 représente schématiquement en perspective un dispositif de récupération et de déploiement d'un engin à la mer selon l'invention, comprenant un ensemble de réception selon l'invention,
  • la figure 2 représente schématiquement en perspective une partie du dispositif de déploiement selon l'invention,
  • les figures 3a, 3b, 3c représentent schématiquement les indicateurs visuels de l'ensemble de réception selon l'invention lorsque le ressort est dans sa position d'équilibre, à mi-course et respectivement comprimé au maximum,
  • la figure 4 représente schématiquement en perspective un ensemble de réception selon l'invention,
  • la figure 5 représente schématiquement une partie du dispositif selon l'invention en vue de face perpendiculairement au bras articulé.
Other features and advantages of the invention will appear on reading the detailed description which follows, given by way of non-limiting example and with reference to the appended drawings in which:
  • the figure 1 schematically represents in perspective a device for recovering and deploying a machine at sea according to the invention, comprising a receiving assembly according to the invention,
  • the figure 2 schematically shows in perspective a part of the deployment device according to the invention,
  • the Figures 3a, 3b, 3c schematically represent the visual indicators of the reception assembly according to the invention when the spring is in its equilibrium position, halfway and respectively compressed to the maximum,
  • the figure 4 schematically shows in perspective a reception assembly according to the invention,
  • the figure 5 schematically represents a part of the device according to the invention in front view perpendicular to the articulated arm.

D'une figure à l'autre, les mêmes éléments sont repérés par les mêmes références.From one figure to another, the same elements are identified by the same references.

Sur la figure 1, on a représenté un dispositif de déploiement et de récupération d'un engin navigant 1, selon l'invention, comprenant un ensemble de réception 2, selon l'invention, suspendu à une structure de manutention 3.On the figure 1 , there is shown a device for deploying and recovering a navigating craft 1, according to the invention, comprising a receiving assembly 2, according to the invention, suspended from a handling structure 3.

La structure de manutention 3 est solidaire d'un bâtiment flottant 5 qui est, par exemple, un bateau ou une plateforme flottant sur l'eau.The handling structure 3 is integral with a floating vessel 5 which is, for example, a boat or platform floating on the water.

La structure de manutention 3 comprend un bras 4, appelé bras articulé dans la suite du texte, auquel est suspendu l'ensemble de réception 2. Le bras articulé 4 est télescopique mais pourrait ne pas l'être.The handling structure 3 comprises an arm 4, called articulated arm in the following text, which is suspended the receiving assembly 2. The articulated arm 4 is telescopic but may not be.

Le bras articulé 4 pourrait, en variante, être fixé directement au bâtiment flottant et, par exemple, présenter une forme arquée.The articulated arm 4 could, alternatively, be fixed directly to the floating building and, for example, have an arched shape.

Sur la réalisation de la figure 1, la structure de manutention 3 est une grue comprenant un premier bras 6 solidaire du bâtiment flottant, un deuxième bras 7 articulé d'une part au premier bras 6 et d'autre part au bras articulé 4 auquel est suspendu l'ensemble de réception 2.On the realization of the figure 1 , the handling structure 3 is a crane comprising a first arm 6 integral with the floating vessel, a second arm 7 hinged on the one hand to the first arm 6 and on the other hand to the articulated arm 4 to which is suspended the receiving assembly 2 .

Le bras articulé 4 comprend une première extrémité articulée au deuxième bras 7. Le bras articulé 4 comprend également une extrémité libre 4l au niveau de laquelle l'ensemble de réception 2 est avantageusement suspendu.The articulated arm 4 comprises a first end articulated to the second arm 7. The articulated arm 4 also comprises a free end 41 at which the receiving assembly 2 is advantageously suspended.

La structure de manutention 3 pourrait également être un portique comprenant un premier bras solidaire du bâtiment flottant et un bras articulé à ce premier bras et auquel est suspendu l'ensemble de réception 2.The handling structure 3 could also be a gantry comprising a first arm integral with the floating building and an arm articulated to this first arm and to which the reception assembly 2 is suspended.

La structure de manutention 3 est munie d'un câble de levage 8 destiné à tracter l'engin navigant 1 selon la direction verticale z définie par le poids de l'engin navigant. Pour plus de clarté, le câble 8 n'est représenté que partiellement.The handling structure 3 is provided with a lifting cable 8 intended to tow the craft 1 in the vertical direction z defined by the weight of the craft. For clarity, the cable 8 is only partially represented.

La structure de manutention 3 est également munie d'un treuil 10 permettant d'enrouler et de dérouler le câble 8 et de moyens, non représentés, permettant à un opérateur de commander le treuil 10 pour enrouler et dérouler le câble de levage 8.The handling structure 3 is also provided with a winch 10 for winding and unwinding the cable 8 and means, not shown, allowing an operator to control the winch 10 for winding and unrolling the hoisting rope 8.

Le câble de levage 8 est guidé selon la direction verticale z au moyen d'une poulie de guidage 9. Comme visible sur la figure 4, la poulie 9 est comprise dans l'ensemble de réception 2. Cette solution permet de simplifier les interfaces entre l'ensemble de réception 2 et la grue 3. Il est plus facile d'intégrer la poulie à l'ensemble de réception que de prévoir des interfaces entre l'ensemble de réception et une poulie déjà fixée à la grue.The hoisting rope 8 is guided in the vertical direction z by means of a guide pulley 9. As visible on the figure 4 the pulley 9 is included in the reception assembly 2. This solution makes it possible to simplify the interfaces between the reception assembly 2 and the crane 3. It is easier to integrate the pulley with the receiving assembly than with the pulley 9. provide interfaces between the receiving assembly and a pulley already attached to the crane.

En variante, la poulie est solidaire du bras articulé 4.In a variant, the pulley is integral with the articulated arm 4.

Le câble de levage 8 est muni de premiers moyens d'accrochage réalisés ici sous la forme d'un crochet 12, aptes à coopérer avec des deuxièmes moyens d'accrochage 13 fixés sur l'engin 1 de façon à pouvoir le suspendre au câble de levage 8, c'est à dire de façon à pouvoir le porter, et le tracter, ou le déplacer, selon la direction verticale z.The hoisting rope 8 is provided with first hooking means made here in the form of a hook 12, able to cooperate with second attachment means 13 fixed to the machine 1 so as to be able to suspend it to the cable of lifting 8, that is to say, so as to be able to carry it, and to pull it, or to move it, in the vertical direction z.

L'ensemble de réception 2 comprend une partie supérieure 14 comprenant la poulie 9 et une partie inférieure 15 comprenant des moyens de réception 16 faisant face à l'engin navigant 1.The receiving assembly 2 comprises an upper part 14 comprising the pulley 9 and a lower part 15 comprising receiving means 16 facing the navigating craft 1.

Comme visible sur la figure 1, la partie supérieure 14 est située, selon la direction verticale z, à une hauteur supérieure à la hauteur des moyens de réception lorsque l'ensemble de réception 2 est suspendu au bras articulé 4.As visible on the figure 1 , the upper part 14 is located, in the vertical direction z, at a height greater than the height of the receiving means when the receiving assembly 2 is suspended from the articulated arm 4.

Les moyens de réception 16 sont décrits plus précisément en référence à la figure 2.The reception means 16 are described more precisely with reference to the figure 2 .

Les moyens de réception 16 présentent un passage 20 dans lequel est apte à passer le câble 8. Les moyens de réception 16 délimitent un creux 18 apte à recevoir l'engin navigant 1 lorsqu'il est suspendu au câble de levage 8 de façon que l'engin navigant 1, vienne prendre appui contre les moyens de réception 16.The reception means 16 have a passage 20 in which the cable 8 is able to pass. The receiving means 16 delimit a recess 18 capable of receiving the navigating craft 1 when it is suspended from the hoisting rope 8 so that the sailing craft 1, come to bear against the means of reception 16.

Les moyens de réception 16 sont agencés de façon à assurer le blocage au moins des mouvements de rotation et de translation selon la direction verticale z vers le haut, d'un engin navigant 1, par rapport aux moyens de réception 16, lorsque l'engin navigant 1 est reçu par le creux 18 et vient prendre appui contre eux.The receiving means 16 are arranged to ensure the locking at least of the rotational and translational movements in the vertical direction z upwards, of a navigating vehicle 1, with respect to the receiving means 16, when the machine navigant 1 is received by the hollow 18 and comes to bear against them.

Cette caractéristique permet d'éviter, lorsque l'engin est suspendu au câble de levage 8, les mouvements d'oscillation de l'engin autour du câble de levage 8. Elle permet donc de sécuriser les manoeuvres de déploiement et de mise à la mer de l'engin navigant.This feature makes it possible to avoid, when the machine is suspended from the hoisting rope 8, the oscillation movements of the machine around the hoisting rope 8. It thus makes it possible to secure deployment and seaming maneuvers. of the navigating craft.

Classiquement, les engins présentent une forme tubulaire avec un profil ovale ou rond. Sur la réalisation, les moyens de réception 16 sont agencés de façon à bloquer les mouvements mentionnés ci-dessus d'un engin navigant présentant une forme globalement tubulaire.Classically, the machines have a tubular shape with an oval or round profile. On the embodiment, the receiving means 16 are arranged to block the movements mentioned above of a navigating craft having a generally tubular shape.

Les moyens de réception 16 sont, par exemple, dimensionnés pour assurer le blocage d'un engin navigant 1 dont la coque présente un diamètre de courbure compris entre 300 et 330 mm.The receiving means 16 are, for example, dimensioned to ensure the locking of a craft 1 whose hull has a bending diameter of between 300 and 330 mm.

Les moyens de réception 16 présentent un profil en U qui délimite un creux 18. Autrement dit, les moyens de réception ont globalement la forme d'une selle de cheval.The receiving means 16 have a U-shaped profile which delimits a hollow 18. In other words, the receiving means generally have the shape of a saddle horse.

Cela permet, étant donné le profil classique des engins navigants, de former une surface d'appui complémentaire de la partie incurvée de l'engin navigant 1 entourant les moyens d'accrochage 13 et de bien bloquer l'engin.This allows, given the standard profile of the aircrafts, to form a support surface complementary to the curved portion of the craft 1 surrounding the hooking means 13 and to block the craft.

Le U est ouvert vers le bas lorsque l'ensemble de réception 2 est suspendu à la grue 3. Autrement dit, il tourne le dos à la partie supérieure 14.The U is open downwards when the receiving assembly 2 is suspended from the crane 3. In other words, it turns its back to the upper part 14.

Le U présente deux ailes latérales 17 s'étendant de part et d'autre d'une âme 21 formant le dos du U. L'âme 21 s'étend dans un plan horizontal transversalement entre les deux ailes 17 et longitudinalement sur une épaisseur e représentée sur la figure 3.The U has two lateral wings 17 extending on either side of a core 21 forming the back of the U. The core 21 extends in a horizontal plane transversely between the two wings 17 and longitudinally to a thickness e represented on the figure 3 .

Avantageusement, le passage est agencé de façon à pouvoir laisser passer les moyens d'accrochage 12, 13.Advantageously, the passage is arranged so as to allow the attachment means 12, 13 to pass.

Lorsque l'extrémité libre du câble de levage 8 est montée suffisamment haut, les moyens d'accrochage 12, 13 passent à travers le passage 20. L'engin navigant 1 qui présente une forme globalement tubulaire (avec un profil généralement ovale ou rond) vient se loger dans le creux 18 et prendre appui contre l'âme 21 et les ailes 17 du U. Autrement dit, dans cette configuration, les moyens de réception 16 sont à cheval sur l'engin navigant 1. L'âme 21 fait office de butée verticale et les ailes 17 font office de butées latérales de part et d'autre de l'engin navigant 1 selon un axe perpendiculaire à la direction verticale.When the free end of the lifting cable 8 is mounted sufficiently high, the attachment means 12, 13 pass through the passage 20. The navigating craft 1 which has a generally tubular shape (with a generally oval or round profile) is housed in the recess 18 and bear against the soul 21 and the wings 17 of the U. In other words, in this configuration, the receiving means 16 are straddling the craft 1. The soul 21 serves vertical abutment and wings 17 serve as lateral stops on either side of the craft 1 along an axis perpendicular to the vertical direction.

Cela empêche alors les mouvements suivants de l'engin par rapport aux moyens de réception 16 : les mouvements de translation selon la direction verticale vers le haut et selon une direction horizontale reliant les deux ailes et les mouvements de rotation selon un axe perpendiculaire à la direction de verticale. Les moyens de réception 16 ont une fonction de capture et de stabilisation de l'engin navigant 1.This then prevents the following movements of the machine relative to the receiving means 16: the translation movements in the vertical direction upwards and in a horizontal direction connecting the two wings and the rotational movements along an axis perpendicular to the direction vertical. The reception means 16 have a function of capturing and stabilizing the navigating craft 1.

La forme de selle à cheval permet d'immobiliser l'engin navigant 1 même si celui-ci n'est pas horizontal (c'est-à-dire lorsque l'axe longitudinal x de l'engin navigant n'est pas perpendiculaire à l'axe z) au moment où il vient en butée contre les moyens de réception 16. C'est la forme des moyens de réception qui le contraint à se mettre dans cette position. Plus particulièrement, cela provient du fait que l'âme 21 présente une certaine longueur l, et plus particulièrement qu'elle forme une butée verticale s'étendant sur une certaine longueur.The saddle shape on horseback makes it possible to immobilize the seagoing craft 1 even if it is not horizontal (that is to say when the longitudinal axis x of the seagoing craft is not perpendicular to the axis z) at the moment when it comes into abutment against the receiving means 16. It is the shape of the receiving means that forces it to put itself in this position. More particularly, this stems from the fact that the core 21 has a certain length l, and more particularly that it forms a vertical abutment extending over a certain length.

Sur la réalisation des figures, l'âme présente une longueur d'environ 90 cm. Les extrémités libres des ailes présentent quant à elle une longueur d'environ 10 cm. De ce fait, lorsque l'engin est bas, les ailes laissent beaucoup de liberté à l'engin (notamment un degré de liberté en rotation autour de l'axe z) et lorsque l'engin vient en appui contre l'âme, l'engin est très contraint et la rotation de l'engin par rapport aux moyens de réception autour de l'axe z est bloquée.In the embodiment of the figures, the core has a length of about 90 cm. The free ends of the wings have a length of about 10 cm. Therefore, when the machine is low, the wings leave a lot of freedom to the machine (including a degree of freedom in rotation about the z axis) and when the machine bears against the soul, gear is very constrained and the rotation of the machine relative to the receiving means around the z axis is blocked.

Sur la réalisation des figures, le U est évasé. Cela autorise des déviations angulaires de l'axe longitudinal de l'engin en lacet jusqu'à 45° par rapport à la direction longitudinale (ou la direction de la longueur l) de l'âme du U.On the realization of the figures, the U is flared. This allows angular deviations of the longitudinal axis of the yaw gear up to 45 ° with respect to the longitudinal direction (or the direction of the length l) of the soul of the U.

En résumé, la forme des moyens de réception permet de faciliter le blocage de l'engin au sein des moyens de réception 16. Il n'est pas nécessaire que l'axe de l'engin soit aligné avec l'âme du U pour que la récupération de l'engin par les moyens de réception puisse se faire.In summary, the shape of the receiving means facilitates the locking of the machine within the receiving means 16. It is not necessary that the axis of the machine is aligned with the soul of the U so that the recovery of the machine by the receiving means can be done.

Pour participer à cet avantage, les ailes 17 sont avantageusement évasées depuis leurs extrémités libres respectives jusqu'à l'âme 21. Sur la réalisation des figures, elles présentent globalement la forme d'un triangle pointant vers le bas.To participate in this advantage, the wings 17 are advantageously flared from their respective free ends to the core 21. In the embodiment of the figures, they generally have the shape of a triangle pointing downwards.

Avantageusement, les moyens de réception 16 comprennent des moyens permettant d'absorber les chocs avec l'engin 1, lorsque celui-ci pénètre dans le creux.Advantageously, the receiving means 16 comprise means for absorbing shocks with the machine 1, when it enters the hollow.

Par exemple, les ailes 17 et/ou l'âme 21 sont réalisées à cet effet au moins partiellement en matériau compressible déformable élastiquement. Cette caractéristique permet également de pouvoir bloquer des engins présentant des rayons de courbure différents ou des formes irrégulières ou plus complexes qu'un cylindre droit.For example, the wings 17 and / or the core 21 are made for this purpose at least partially elastically deformable compressible material. This feature also allows to block gear with different radii of curvature or irregular shapes or more complex than a right cylinder.

Sur la réalisation des figures, les ailes 17 sont réalisées en mousse compressible revêtue d'une peau de polyuréthane résistante à l'environnement marin, à l'abrasion. La compressibilité de la mousse est choisie en fonction de l'usage (densité plus ou moins importante pour absorber les chocs et profils des engins). Avantageusement, la mousse présente une densité comprise entre 50 à 80 kg/m3.In the embodiment of the figures, the wings 17 are made of compressible foam coated with a polyurethane skin resistant to the marine environment, abrasion. The compressibility of the foam is chosen according to the use (density more or less important for absorb shocks and gear profiles). Advantageously, the foam has a density of between 50 and 80 kg / m 3 .

L'âme 21 comprend deux butées verticales 19 (davantage visibles sur les figures 3a à 3c) disposées de part et d'autre des ailes 17 et contre lesquelles l'engin 1 est destiné à venir en appui lorsqu'un opérateur enroule le câble 8.The core 21 comprises two vertical stops 19 (more visible on the Figures 3a to 3c ) disposed on both sides of the wings 17 and against which the machine 1 is intended to bear when an operator winds the cable 8.

Avantageusement ces butées verticales 19 sont réalisées au moins partiellement en matériau compressible déformable élastiquement, par exemple, avec les mêmes matériaux que les ailes.Advantageously, these vertical stops 19 are made at least partially of elastically deformable compressible material, for example, with the same materials as the wings.

La forme et les dimensions des moyens de réception peuvent être facilement adaptés pour bloquer les mouvements d'engins navigants présentant des diamètres et des formes différentes. Il suffit de réaliser des moyens de réception délimitant formant une surface d'appui complémentaire de la forme de l'engin navigant à récupérer autour des deuxièmes moyens d'accrochage 13.The shape and dimensions of the receiving means can be easily adapted to block the movements of aircrafts with different diameters and shapes. It suffices to provide receiving means delimiting forming a bearing surface complementary to the shape of the navigating craft to be recovered around the second attachment means 13.

La partie inférieure 15 comprend un ressort 22 agencé de façon à permettre d'écarter les moyens de réception 16 d'une semelle 40, fixe en translation par rapport au bras articulé 4, selon la direction verticale z lorsque l'ensemble de réception 2 est suspendu à la structure de manutention 3(et est dans sa position d'équilibre). Par ressort 22, on entend un moyen fonctionnel permettant d'exercer un effort calibré selon une direction prédéterminée. La direction prédéterminée est ici perpendiculaire à l'âme 21 du U.The lower part 15 comprises a spring 22 arranged so as to make it possible to move the receiving means 16 away from a sole plate 40, fixed in translation relative to the articulated arm 4, in the vertical direction z when the receiving assembly 2 is suspended in the handling structure 3 (and is in its equilibrium position). By spring 22 is meant a functional means for exerting a calibrated force in a predetermined direction. The predetermined direction here is perpendicular to the core 21 of the U.

Ce moyen fonctionnel comprend avantageusement au moins un ressort de compression à proprement parler comme sur le mode de réalisation représenté sur les figures de la demande de brevet.This functional means advantageously comprises at least one compression spring strictly speaking as in the embodiment shown in the figures of the patent application.

Autrement dit, le ressort 22 est agencé de façon à pouvoir écarter la partie inférieure 15 de la semelle 40 selon une direction prédéterminée qui est destinée à être la direction verticale lorsque l'ensemble de réception 2 est suspendu à la grue 3 et est dans une position d'équilibre.In other words, the spring 22 is arranged to be able to move the lower part 15 of the sole 40 in a predetermined direction which is intended to be the vertical direction when the receiving assembly 2 is suspended from the crane 3 and is in a balance position.

Comme visible sur la figure 2, lorsque l'ensemble de réception 2 est suspendu au bras articulé 4, le ressort 22 est suspendu à la semelle 40 et les moyens de réception 16 sont suspendus au ressort 22.As visible on the figure 2 when the receiving assembly 2 is suspended from the articulated arm 4, the spring 22 is suspended from the soleplate 40 and the receiving means 16 are suspended from the spring 22.

Dans cette configuration, les moyens de réception 16 exercent sur le ressort 22 une force tendant à l'allonger selon la direction verticale z qui est aussi la direction définie par le poids des moyens de réception 16. L'axe du ressort s'étend selon la direction verticale z. Dans cette configuration, l'ensemble de réception 2 et le ressort 22 sont dans leurs positions d'équilibre respectives. L'âme 21 du U s'étend perpendiculairement à la direction verticale z.In this configuration, the receiving means 16 exert on the spring 22 a force tending to lengthen it in the vertical direction z which is also the direction defined by the weight of the receiving means 16. The axis of the spring extends according to the vertical direction z. In this configuration, the reception assembly 2 and the spring 22 are in their respective equilibrium positions. The core 21 of the U extends perpendicularly to the vertical direction z.

L'ensemble de réception 2 comprend également des moyens de guidage 23 en translation, laissant, entre la semelle 40 et les moyens de réception 16, un degré de liberté en translation selon une direction de guidage qui est perpendiculaire à l'âme du U. Cette direction de guidage est la direction verticale z, lorsque l'ensemble de réception 2 est suspendu à la grue 3 et dans sa position d'équilibre.The reception assembly 2 also comprises guiding means 23 in translation, leaving, between the sole 40 and the receiving means 16, a degree of freedom in translation in a guide direction which is perpendicular to the core of the U. This guiding direction is the vertical direction z, when the receiving assembly 2 is suspended from the crane 3 and in its equilibrium position.

On va maintenant expliquer plus précisément le fonctionnement de l'ensemble de réception 2. On explique ci-dessous l'opération de récupération d'un engin à la mer. L'opération de déploiement comprend les mêmes étapes mais réalisées en sens inverse.We will now explain more precisely the operation of the reception assembly 2. The following is the operation of recovery of a machine at sea. The deployment operation comprises the same steps but performed in reverse.

L'ensemble de réception 2 est tout d'abord suspendu à la grue 3 de façon que la poulie 9 guide le câble de levage 8 selon la direction verticale z et de façon qu'il puisse passer dans le passage 20. Sur la réalisation des figures, le ressort 22 est disposé au dessus du passage 20. Le câble 8 passe également dans le ressort 22.The reception assembly 2 is first suspended from the crane 3 so that the pulley 9 guides the hoisting rope 8 in the vertical direction z and so that it can pass through the passage 20. On the realization of the Figures, the spring 22 is disposed above the passage 20. The cable 8 also passes through the spring 22.

Un opérateur actionne la grue 3 de façon à venir positionner l'ensemble de réception 2 au-dessus de l'engin 1 à la mer. Ceci est, par exemple, réalisé en faisant pivoter le bras articulé 4 autour d'un axe vertical. Un opérateur déroule le câble de levage 8, au moyen du treuil 10, de façon à positionner le crochet 12 qui est installé en son extrémité libre à proximité des deuxièmes moyens d'accrochage 13. Comme visible sur la figure 1, dans cette position l'extrémité libre du câble 8 est positionnée en-dessous des moyens de réception 16, c'est-à-dire à une hauteur inférieure à la hauteur de ces derniers.An operator operates the crane 3 so as to position the receiving assembly 2 above the machine 1 at sea. This is, for example, achieved by pivoting the articulated arm 4 about a vertical axis. An operator unwinds the hoisting rope 8, by means of the winch 10, so as to position the hook 12 which is installed at its free end close to the second attachment means 13. As visible on FIG. figure 1 in this position the free end of the cable 8 is positioned below the receiving means 16, that is to say at a height less than the height of the latter.

Le crochet 12 disposé en extrémité du câble de levage 8 est descendu à proximité des deuxièmes moyens d'accrochage 13 réalisés ici sous forme d'un anneau de levage. Un opérateur muni d'une longue perche relié au crochet 12 lie mécaniquement le crochet 12, et donc le câble 8, à l'anneau de levage 13 solidaire de l'engin navigant 1 afin de pouvoir le lever.The hook 12 disposed at the end of the lifting cable 8 is lowered near the second attachment means 13 made here in the form of a lifting ring. An operator with a long pole connected to the hook 12 mechanically binds the hook 12, and therefore the cable 8, to the lifting ring 13 secured to the sailing vessel 1 in order to lift it.

Un opérateur enroule le câble 8 au moyen du treuil de levage 10 pour haler l'engin 1 hors de l'eau selon la direction verticale z. Durant cette opération, les moyens de réception 16 ne se déplacent pas. En revanche, l'engin 1 monte en direction des moyens de réception 16.An operator winds the cable 8 by means of the hoisting winch 10 to haul the machine 1 out of the water in the vertical direction z. During this operation, the reception means 16 do not move. On the other hand, the vehicle 1 goes up towards the reception means 16.

Lorsque l'opérateur continue à enrouler le câble 8, la partie supérieure de l'engin 1 vient se loger dans le creux 8. Le crochet 12 et l'anneau 13 passent dans le passage 20 et l'engin 1 vient prendre appui contre les moyens de réception 16. Plus précisément, l'engin vient prendre appui contre les butées verticales 19 et contre les ailes 17. Les moyens de réception 16 se retrouvent à cheval sur l'engin 1.When the operator continues to wind the cable 8, the upper part of the machine 1 is housed in the hollow 8. The hook 12 and the ring 13 pass through the passage 20 and the machine 1 comes to bear against the receiving means 16. More specifically, the machine bears against the vertical stops 19 and against the wings 17. The receiving means 16 are found astride the machine 1.

Lorsque l'opérateur continue à enrouler le câble 8, le câble 8 exerce, sur l'engin 1, un effort de traction orienté selon la direction verticale vers le haut. L'engin 1 appuie sur les moyens de réception 16 qui se déplacent vers le haut selon la direction verticale z (définie par les moyens de guidage) et viennent comprimer le ressort de compression 22. Le ressort 22 réagit et exerce alors sur l'engin 1, via les moyens de réception 16, un effort selon la direction verticale z orienté vers le bas. Ce dernier effort, appelé effort de plaquage, a pour effet de plaquer l'engin 1 contre les moyens de réception 16.When the operator continues to wind the cable 8, the cable 8 exerts on the machine 1, a tensile force oriented in the vertical direction upwards. The machine 1 presses the receiving means 16 which move upwards in the vertical direction z (defined by the guide means) and compress the compression spring 22. The spring 22 reacts and then exerts on the machine 1, via the receiving means 16, a force in the vertical direction z oriented downwards. This last effort, called plating force, has the effect of pressing the machine 1 against the receiving means 16.

Le ressort 22 assure un plaquage continu de l'engin contre les moyens de réception. Cela permet d'assurer une immobilisation permanente de l'engin par les moyens de réception.The spring 22 ensures a continuous plating of the machine against the receiving means. This ensures permanent immobilization of the machine by the receiving means.

La présence du ressort et des moyens de guidage présente un réel avantage par rapport aux solutions de l'art antérieur. Il permet de sécuriser les opérations de déploiement et de mise à la mer, notamment pendant les phases de déplacement de l'extrémité libre du bras articulé, tout en sollicitant au minimum l'opérateur de grue, en étant peu coûteuse et en ne nécessitant pas d'apport d'énergie.The presence of the spring and the guide means has a real advantage over the solutions of the prior art. It makes it possible to secure the deployment and placing operations at sea, in particular during the phases of movement of the free end of the articulated arm, while at the same time requesting the crane operator, being inexpensive and not requiring of energy supply.

En effet, lorsque l'engin 1 est plaqué contre les moyens de réception 2 et que l'on déplace l'extrémité du bras articulé 4 vers le haut ou vers le bas, le ressort 22 se comprime ou respectivement s'allonge, tout en exerçant continument un effort de plaquage sur l'engin 1. L'effort de plaquage permet de stabiliser l'engin pendant ces opérations.Indeed, when the machine 1 is pressed against the receiving means 2 and that the end of the articulated arm 4 is moved upwards or downwards, the spring 22 is compressed or extended respectively, while continuously exerting a plating effort on the machine 1. The plating force stabilizes the machine during these operations.

Cette solution permet aussi d'augmenter la tension dans le câble de levage 8 sans risque de solliciter les limites de sécurité du treuil de levage de la grue, lorsque les mouvements de grue 3 entraînent une montée de l'engin dans la selle.This solution also increases the tension in the hoisting rope 8 without risking the safety limits of the crane lifting winch, when crane movements 3 cause a rise of the machine in the saddle.

Avantageusement, l'opérateur utilise l'ensemble de réception selon l'invention de la manière suivante : avant de déplacer le bras articulé 4 pour déplacer l'ensemble de réception 2 lorsque l'engin 1 est accroché au câble de levage 8, il enroule le câble de levage 8 de façon que l'engin 1 vienne se plaquer contre les moyens de réception 16 et comprimer le ressort 22 jusqu'à mi-course environ.Advantageously, the operator uses the receiving assembly according to the invention as follows: before moving the articulated arm 4 to move the receiving assembly 2 when the machine 1 is hooked to the lifting cable 8, it winds the hoisting rope 8 so that the machine 1 comes to press against the receiving means 16 and compress the spring 22 approximately halfway.

On appelle course du ressort 22, la distance parcourue par l'extrémité du ressort entre sa position d'équilibre dans laquelle les moyens de réception 16 sont suspendus à son extrémité et sa position de compression dans laquelle il est comprimé au maximum.The stroke of the spring 22 is the distance traveled by the end of the spring between its equilibrium position in which the receiving means 16 are suspended at its end and its compression position in which it is compressed to the maximum.

De cette manière, lorsque les mouvements du bras articulé 4 entraînent un déplacement de l'extrémité libre du câble 8 inférieure à la demi-course du ressort 22, le ressort 22 assure le plaquage de l'engin 1 contre les moyens de réception 16, que l'extrémité libre du câble de levage 8 se déplace vers le haut ou vers le bas. Ce système permet d'assurer à tout moment le plaquage de l'engin même lorsque les mouvements de grue entraînent une descente de l'engin.In this way, when the movements of the articulated arm 4 cause a displacement of the free end of the cable 8 lower than the half-stroke of the spring 22, the spring 22 ensures the plating of the machine 1 against the receiving means 16, that the free end of the lifting cable 8 moves upwards or downwards. This system ensures the plating of the machine at all times even when crane movements cause a descent of the machine.

Avantageusement la course du ressort entre sa position d'équilibre dans laquelle les moyens de réception sont suspendus au ressort et sa position comprimée dans laquelle il est comprimé au maximum est comprise entre 100 mm et 300 mm.Advantageously the stroke of the spring between its equilibrium position in which the receiving means are suspended from the spring and its compressed position in which it is compressed to the maximum is between 100 mm and 300 mm.

Pour procéder de cette façon, l'opérateur de grue doit être attentif et actionner le treuil de levage 10 pour ajuster la position de l'engin 1 en vertical, au sein des moyens de réception 16 et vérifier que les mouvements de l'extrémité de la grue 3 n'excèdent pas la demi-course du ressort vers le haut ou vers le bas.To proceed in this way, the crane operator must be attentive and operate the hoist winch 10 to adjust the position of the machine 1 in vertical, within the receiving means 16 and verify that the movements of the end of crane 3 do not exceed the half-travel of the spring upwards or downwards.

Avantageusement, l'ensemble de réception comprend au moins un indicateur visuel couplé au ressort pour donner, à un opérateur de grue, une indication visuelle de l'état de compression du ressort.Advantageously, the receiving assembly comprises at least one visual indicator coupled to the spring to give a crane operator a visual indication of the state of compression of the spring.

Sur la réalisation représentée sur les figures 3a à 3c, l'ensemble de réception comprend plusieurs indicateurs visuels.On the realization represented on the Figures 3a to 3c , the reception set includes several visual indicators.

Ces indicateurs visuels sont installés sur les moyens de guidage 23.These visual indicators are installed on the guiding means 23.

Pour mieux comprendre l'installation des indicateurs visuels, on va d'abord décrire plus précisément les moyens de guidage 23 en référence aux figures 3a à 3c.To better understand the installation of the visual indicators, we will first describe more precisely the guide means 23 with reference to Figures 3a to 3c .

Ils sont des moyens de guidage passifs. A cet effet, les moyens de guidage sont couplés au ressort 22 de sorte que lorsque le ressort 22 est comprimé ou étiré, les moyens de guidage 23 guident le déplacement des moyens de réception 16 par rapport à la semelle 40 selon la direction z.They are passive guiding means. For this purpose, the guide means are coupled to the spring 22 so that when the spring 22 is compressed or stretched, the guide means 23 guide the movement of the receiving means 16 relative to the sole 40 in the direction z.

Sur le mode de réalisation non limitatif, représenté ici, les moyens de guidage 23 sont réalisés sous la forme d'un ensemble articulé aussi appelé système à pantographe. Ce dispositif comprend des articulations autour d'axes parallèles entre eux et perpendiculaires à la direction de guidage.In the non-limiting embodiment, shown here, the guide means 23 are made in the form of an articulated assembly also called pantograph system. This device comprises articulations about axes parallel to each other and perpendicular to the guiding direction.

Les moyens de guidage 23 présentent une forme d'hexagone dans un plan parallèle à l'axe du ressort 22 et perpendiculaire à l'âme 21.The guide means 23 have a hexagon shape in a plane parallel to the axis of the spring 22 and perpendicular to the core 21.

L'hexagone est suffisamment épais pour délimiter un logement 30 dans lequel est logé le ressort 23.The hexagon is thick enough to delimit a housing 30 in which the spring 23 is housed.

Comme visible sur la figure 3a, l'hexagone articulé 23 comprend deux couples de côtés consécutifs 31, 32, et 33, 34 comprenant chacun un premier 35, 36 et un deuxième 37, 38 sommets non consécutifs articulés à la semelle 40 et, respectivement, à l'âme 21 des moyens de réception 16.As visible on the figure 3a the articulated hexagon 23 comprises two pairs of consecutive sides 31, 32, and 33, 34 each comprising a first 35, 36 and a second 37, 38 non-consecutive vertices articulated to the sole 40 and, respectively, to the core 21 receiving means 16.

L'hexagone comprend deux sommets libres 41, 42 définissant une diagonale de l'hexagone présentant une longueur variable et s'étendant dans un plan perpendiculaire au degré de liberté en translation défini par les moyens de guidage 23.The hexagon comprises two free vertices 41, 42 defining a diagonal of the hexagon having a variable length and extending in a plane perpendicular to the degree of freedom in translation defined by the guiding means 23.

Toutes les articulations sont réalisées selon des axes parallèles les uns aux autres et perpendiculaires au degré de liberté en translation défini par les moyens de guidage 23.All the joints are made along axes parallel to each other and perpendicular to the degree of freedom in translation defined by the guide means 23.

Les premiers 31, 32 et deuxièmes 33, 34 couples de côtés consécutifs sont reliés par deux couples de biellettes parallèles 43, 44 et 45, 46.The first 31, 32 and second 33, 34 pairs of consecutive sides are connected by two pairs of parallel rods 43, 44 and 45, 46.

Plus précisément, les premier 31, 32 et deuxième 33, 34 couples de côtés comprennent chacun un côté supérieur 31, 33 et un côté inférieur 32,34.More specifically, the first 31, 32 and second 33, 34 pairs of sides each comprise an upper side 31, 33 and a lower side 32,34.

Un premier couple de biellettes parallèles 43, 44 relie le côté supérieur 31 du premier couple de côtés consécutifs au côté inférieur 34 du deuxième couple. Un deuxième couple de biellettes parallèles 45, 46 relie le côté inférieur 32 du premier couple de côtés consécutifs au côté supérieur 33 du deuxième couple de côtés consécutifs.A first pair of parallel links 43, 44 connects the upper side 31 of the first pair of consecutive sides to the lower side 34 of the second pair. A second pair of parallel links 45, 46 connects the lower side 32 of the first pair of consecutive sides to the upper side 33 of the second pair of consecutive sides.

Les indicateurs visuels I1, 12, 13, I4 sont disposés sur les biellettes d'un couple de biellette 43, 44. Ils sont agencés de façon à former des figures géométriques différentes lorsque le ressort est à mi-course, comprimé au maximum et dans sa position d'équilibre.The visual indicators I1, 12, 13, I4 are arranged on the links of a link pair 43, 44. They are arranged so as to form different geometrical figures when the spring is halfway, compressed to the maximum and in his position of equilibrium.

Ils comprennent un premier couple d'indicateurs visuels I1, I2 et un deuxième couple 13, I4 d'indicateurs visuels disposés sur les biellettes respectives 43, 44 d'un couple de biellettes parallèles de façon à se déplacer selon la direction des biellettes dans des sens opposés lors de la compression ou de l'élongation du ressort.They comprise a first pair of visual indicators I1, I2 and a second pair 13, I4 of visual indicators arranged on the respective links 43, 44 of a pair of parallel links so as to move in the direction of the links in the links. opposite directions when compressing or elongating the spring.

Les premier I1, deuxième 12, troisième I3 et quatrième I4 indicateurs visuels s'étendent longitudinalement selon des premier x1, deuxième x2, troisième x3, quatrième x4 axes respectifs parallèles.The first I1, second 12, third I3 and fourth I4 visual indicators extend longitudinally along first x1, second x2, third x3, fourth x4 respective parallel axes.

Comme visible sur la figure 3a, ils sont agencés de façon à s'étendre longitudinalement selon uniquement deux axes parallèles x1 =x3, x2= x4 lorsque le ressort 22 est dans sa position d'équilibre. Ils délimitent alors un rectangle.As visible on the figure 3a they are arranged to extend longitudinally along only two parallel axes x1 = x3, x2 = x4 when the spring 22 is in its equilibrium position. They then delimit a rectangle.

Comme visible sur la figure 3c, ils sont également agencés de sorte à s'étendre uniquement selon trois axes parallèles x1, x2=x3, x4 lorsque le ressort 22 est comprimé au maximum Autrement dit, deux indicateurs 12, I3 s'étendent longitudinalement selon un même axe x2 = x3.As visible on the figure 3c they are also arranged to extend only along three parallel axes x1, x2 = x3, x4 when the spring 22 is compressed to the maximum In other words, two indicators 12, I3 extend longitudinally along the same axis x2 = x3 .

Comme visible sur la figure 3b, lorsque le ressort 22 est à mi-course, les indicateurs I1, 12, 13, I4 s'étendent longitudinalement selon 4 axes différents x1, x2, x3, x4 respectifs. C'est cette figure géométrique que l'opérateur essaie d'obtenir avant tout mouvement de grue.As visible on the figure 3b when the spring 22 is halfway, the indicators I1, 12, 13, I4 extend longitudinally along 4 different axes x1, x2, x3, x4 respectively. It is this geometrical figure that the operator tries to obtain before any crane movement.

Avantageusement, chaque indicateur visuel présente une couleur différente des moyens de guidage 23 de façon à être facilement identifiable par un opérateur.Advantageously, each visual indicator has a different color guide means 23 so as to be easily identifiable by an operator.

L'ensemble de réception 2 est agencé de façon à pouvoir être suspendu à un bras articulé 4 d'une structure de manutention 3 en laissant au moins un degré de liberté en rotation entre la partie inférieure 15 de l'ensemble de réception 2 et la structure de manutention 3.The reception assembly 2 is arranged so as to be suspended from an articulated arm 4 of a handling structure 3 while leaving at least one degree of freedom in rotation between the lower part 15 of the reception assembly 2 and the handling structure 3.

L'homme du métier sait aisément agencer l'ensemble de réception pour pouvoir réaliser ce type de suspension. Nous décrirons plus précisément, en référence aux figures, un exemple de réalisation de l'ensemble de réception permettant de réaliser ce type de suspension.The person skilled in the art knows how to arrange the reception assembly in order to be able to produce this type of suspension. We will describe more specifically, with reference to the figures, an embodiment of the receiving assembly for performing this type of suspension.

Le fait de laisser au moins un degré de liberté en rotation permet de limiter les efforts appliqués par la partie basse 15 de l'ensemble de réception 2 sur la grue 3 lorsque la mer est agitée.Leaving at least one degree of freedom in rotation limits the forces applied by the lower part 15 of the receiving assembly 2 on the crane 3 when the sea is agitated.

Avantageusement, la partie basse 15 est fixe en rotation autour de l'axe vertical z par rapport au bras articulé 4. Cette caractéristique permet d'orienter la partie basse 15 de façon définitive en fonction de la cinématique souhaitée de telle sorte que sa géométrie propre assure une orientation ad hoc aussi bien dans sa position de départ, caractéristique de la récupération au-dessus de l'eau, que dans sa position finale, au-dessus de la plateforme. Le fait que le degré de liberté de rotation autour de l'axe z soit supprimé simplifie grandement la conception de la structure et augmente sa rigidité.Advantageously, the lower part 15 is fixed in rotation about the vertical axis z with respect to the articulated arm 4. This characteristic makes it possible to orient the lower part 15 definitively according to the desired kinematics so that its own geometry ensures an ad hoc orientation both in its starting position, characteristic of the recovery over water, and in its final position, above the platform. The fact that the degree of freedom of rotation around the z axis is eliminated greatly simplifies the design of the structure and increases its rigidity.

Avantageusement, l'ensemble de réception 2 comprend, comme visible sur la figure 4, des moyens 24, 25, pour amortir les mouvements relatifs entre le bras de suspension4 et la partie inférieure 15 de l'ensemble de réception 2 selon au moins un de ces degrés de liberté en rotation. Ces moyens ne font pas obligatoirement partie de l'ensemble de réception 2.Advantageously, the reception unit 2 comprises, as visible on the figure 4 , means 24, 25 for damping the relative movements between the suspension arm 4 and the lower part 15 of the receiving assembly 2 according to at least one of these degrees of freedom in rotation. These means are not necessarily part of the reception set 2.

L'homme du métier sait aisément choisir et agencer des moyens passifs d'amortissement qui ont cette fonction d'amortissement. Nous décrirons plus précisément, en référence aux figures, un exemple de réalisation de ces moyens d'amortissement.Those skilled in the art can easily choose and arrange passive damping means that have this damping function. We will describe more specifically, with reference to the figures, an embodiment of these damping means.

Avantageusement, ces moyens d'amortissement sont passifs.Advantageously, these damping means are passive.

Par moyens passifs, on entend des moyens qui ne nécessitent pas d'apport d'énergie électrique.Passive means means means that do not require input of electrical energy.

Sur la réalisation des figures, comme visible sur la figure 2, l'ensemble de réception 2 est suspendu au bras articulé 3 de façon à laisser libre deux degrés liberté en rotation entre les moyens de réception 16, et ici plus précisément entre la partie basse des moyens de réception 14, et le bras articulé 4, autour de deux axes r, t perpendiculaire à l'axe du ressort 22. Ces degrés de liberté en rotation autour d'un axe r, appelé axe de roulis, parallèle à l'axe du bras articulé 4 et autour d'un axe de tangage t transversal au bras 4. Ils permettent de conserver la verticalité de la partie inférieure 15 et notamment du ressort 22 lorsque le bras articulé 3 est animé de mouvements de roulis et de tangage du fait de l'agitation de la mer.On the realization of the figures, as visible on the figure 2 , the reception assembly 2 is suspended from the articulated arm 3 so as to leave free two degrees freedom in rotation between the receiving means 16, and here more precisely between the lower part of the receiving means 14, and the articulated arm 4, about two axes r, perpendicular to the axis of the spring 22. These degrees of freedom in rotation about an axis r, called roll axis, parallel to the axis of the articulated arm 4 and around a pitch axis t transverse to the arm 4. They make it possible to maintain the verticality of the lower part 15 and in particular of the spring 22 when the articulated arm 3 is driven by rolling and pitching movements due to the agitation of the sea .

La partie basse 15 est fixée à rotation à la poulie 9 autour d'un premier axe, appelé premier axe tangage t qui est aussi perpendiculaire à l'axe du ressort 22.The lower part 15 is fixed rotatably to the pulley 9 around a first axis, called the first pitch axis t which is also perpendicular to the axis of the spring 22.

Comme visible sur la figure 4, la poulie 9 est munie de moyens d'accroche 27a destinés à coopérer avec des moyens complémentaires 27b, visibles sur la figure 2, solidaires du bras articulé 4 (qui sont ici des orifices) de façon à fixer ladite poulie 9 à rotation autour de l'axe de roulis r.As visible on the figure 4 , the pulley 9 is provided with attachment means 27a intended to cooperate with complementary means 27b, visible on the figure 2 , integral with the articulated arm 4 (which are here orifices) so as to fix said pulley 9 to rotate about the roll axis r.

L'ensemble de réception 2 est agencé de façon que l'axe du ressort s'étende selon la direction verticale z lorsque l'ensemble de réception se trouve dans sa position d'équilibre autour de laquelle il est apte à osciller (autour les axes de roulis et de tangage) lorsqu'il est en suspendu au bras articulé 4.The receiving assembly 2 is arranged so that the axis of the spring extends in the vertical direction z when the receiving assembly is in its equilibrium position around which it is able to oscillate (around the axes roll and pitch) when suspended from the articulated arm 4.

Sur la réalisation des figures, l'ensemble de réception 2, et plus précisément la partie supérieure 14, comprend des moyens 24, 25 pour amortir ces deux mouvements de rotation. Ces moyens 24, 25 comprennent des premiers moyens d'amortissement 24 pour amortir les mouvements relatifs de la partie basse 15 de l'ensemble de réception 2 par rapport au bras autour de l'axe de roulis r et des deuxièmes moyens d'amortissement 25 pour amortir les mouvements relatifs de la partie basse 15 de l'ensemble de réception 2 par rapport au bras autour de l'axe de tangage t.In the embodiment of the figures, the receiving assembly 2, and more specifically the upper part 14, comprises means 24, 25 for damping these two rotational movements. These means 24, 25 comprise first damping means 24 for damping the relative movements of the lower part 15 of the receiving assembly 2 relative to the arm about the roll axis r and the second damping means 25 to damp the relative movements of the lower portion 15 of the receiving assembly 2 relative to the arm about the pitch axis t.

Ces moyens permettent d'absorber l'énergie dynamique induite par les mouvements relatifs de l'ensemble de réception par rapport au bras articulé, autour des axes de roulis r et de tangage t, et qui sont générés par l'agitation de la mer.These means make it possible to absorb the dynamic energy induced by the relative movements of the reception assembly with respect to the articulated arm, around the roll axes r and the pitch axis t, which are generated by the agitation of the sea.

Ces moyens 24, 25 comprennent ici des amortisseurs viscoélastiques 28 mais on pourrait aussi bien utiliser un autre type d'amortisseur passif. Les amortisseurs viscoélastiques comprennent par exemple une huile de silicone dont les propriétés visqueuses permettent l'absorption de l'énergie induite par les mouvements dynamiques.These means 24, 25 here comprise viscoelastic dampers 28 but one could as well use another type of passive damper. The viscoelastic dampers comprise for example a silicone oil whose viscous properties allow the absorption of the energy induced by the dynamic movements.

Plus précisément, les premiers moyens d'amortissement 24 comprennent deux amortisseurs viscoélastiques 28 destinés à être agencés de façon à amortir les mouvements de rotation autour de l'axe de roulis r.More precisely, the first damping means 24 comprise two viscoelastic dampers 28 designed to be arranged so as to damp the rotational movements around the roll axis r.

Comme visible sur les figures 4 et 5, ces amortisseurs viscoélastiques 28 sont reliés, d'une part à la poulie 9 et d'autre part au bras articulé 4 par des moyens d'accroche 50 fixés à rotation au bras 4 autour d'un axe parallèle à l'axe de tangage t.As visible on figures 4 and 5 these viscoelastic dampers 28 are connected, on the one hand to the pulley 9 and on the other hand to the articulated arm 4 by attachment means 50 rotatably attached to the arm 4 about an axis parallel to the pitch axis t.

Les deuxièmes moyens d'amortissement 25 comprennent un amortisseur 28 agencé de façon à amortir les mouvements de rotation autour de l'axe de tangage t. Il est relié d'une part à la partie basse 15 (et plus précisément à la semelle 40) et d'autre part à un bras d'amortissement 29, solidaire de la poulie 9.The second damping means 25 comprise a damper 28 arranged to damp the rotational movements around the pitch axis t. It is connected on the one hand to the lower part 15 (and more precisely to the sole 40) and on the other hand to a damping arm 29, integral with the pulley 9.

L'ensemble de réception 2 comprend avantageusement des fusibles mécaniques, non représentés, prévus pour se cisailler et déconnecter la partie basse 15 de la grue 3 lorsque l'amplitude du mouvement relatif d'oscillation de la partie basse 15 par rapport à la grue est trop important.The receiving assembly 2 advantageously comprises mechanical fuses, not shown, provided for shearing and disconnecting the lower part 15 of the crane 3 when the amplitude of the relative oscillation movement of the lower part 15 with respect to the crane is too important.

Ces fusibles comprennent au moins un fusible prévu pour se cisailler lorsque la partie inférieure 14 de l'ensemble de réception forme, autour de l'axe de roulis, un angle supérieur à un premier angle seuil prédéterminé avec sa position d'équilibre dans laquelle l'axe du ressort est vertical et/ou au moins un fusible prévu pour se cisailler lorsque la partie inférieure 14 de l'ensemble de réception forme, autour de l'axe de roulis, un angle supérieur à un deuxième angle seuil prédéterminé avec sa position d'équilibre dans laquelle l'axe du ressort est vertical.These fuses comprise at least one fuse designed to shear when the lower portion 14 of the reception assembly forms, around the roll axis, an angle greater than a first predetermined threshold angle with its equilibrium position in which the the axis of the spring is vertical and / or at least one fuse designed to shear when the lower portion 14 of the receiving assembly forms, around the roll axis, an angle greater than a second predetermined threshold angle with its position of equilibrium in which the axis of the spring is vertical.

Le premier angle est, par exemple, égal à 20° et le deuxième angle est, par exemple, égal à 35°.The first angle is, for example, equal to 20 ° and the second angle is, for example, equal to 35 °.

Ces fusibles sont, par exemple, montés à l'interface entre chaque amortisseur et la grue. Ils se cisaillent lorsque l'amortisseur associé a atteint sa course maximale. Lorsqu'ils se cisaillent, ils déconnectent partiellement la selle de la grue pour la protéger de pics d'efforts qu'elle ne serait pas capable de supporter.These fuses are, for example, mounted at the interface between each damper and the crane. They shear when the associated damper has reached its maximum stroke. When shearing, they partially disconnect the saddle of the crane to protect it from peaks of effort that it would not be able to withstand.

Comme vu précédemment, sur la réalisation des figures, la partie basse de l'ensemble de réception n'est pas libre en rotation, par rapport au bras de levage 4, autour d'un axe vertical.As seen above, in the embodiment of the figures, the lower part of the receiving assembly is not free to rotate, relative to the lifting arm 4, about a vertical axis.

Toutefois, en cas de choc désaxé sur une extrémité de l'engin, dû soit à un paquet de mer soit à un choc radial contre un élément du bâtiment flottant, par exemple, l'effort engendré crée un couple qui peut endommager à la fois l'engin navigant et la grue.However, in the event of an off-axis impact on one end of the machine, due either to a sea bead or to a radial shock against a floating building element, for example, the force generated creates a torque that can damage both the navigating craft and the crane.

Avantageusement, l'ensemble de réception comprend des moyens aptes à autoriser la rotation de la partie basse 15 de l'ensemble de réception 2 autour d'un axe vertical lorsque les moyens de réception 16 transmettent à la grue 3 un couple supérieur à un seuil prédéterminé.Advantageously, the reception assembly comprises means able to allow rotation of the lower part 15 of the reception assembly 2 around a vertical axis when the reception means 16 transmit to the crane 3 a torque greater than a threshold predetermined.

Il s'agit, par exemple, de goupilles de cisaillement aptes à se cisailler lorsque le couple qui leur est transmis par les moyens de réception 16 est supérieur à un troisième seuil prédéterminé de façon à rendre aux moyens de réception 16 leur liberté de rotation autour d'un axe vertical. Cela permet de protéger à la fois l'engin 1 et la grue 3 en empêchant la transmission d'efforts importants à la grue.This is, for example, shear pins capable of shearing when the torque transmitted to them by the receiving means 16 is greater than a third predetermined threshold so as to return to the receiving means 16 their freedom of rotation around a vertical axis. This protects both the machine 1 and the crane 3 by preventing the transmission of significant effort to the crane.

L'ensemble de réception 2 selon l'invention est un système mécanique simple que l'on peut facilement suspendre à tout type de grue standard. Il est apte à capturer un engin, à le plaquer contre les moyens de réception et amortir les mouvements entre les moyens de réception et la grue sans besoin d'énergie d'alimentation. De part sa conception passive, il est simple à mettre en oeuvre, à opérer, à maintenir.The receiving assembly 2 according to the invention is a simple mechanical system that can easily hang from any type of standard crane. It is able to capture a machine, to press against the means of reception and to dampen the movements between the receiving means and the crane without the need for power supply. Because of its passive design, it is simple to implement, to operate, to maintain.

Claims (16)

  1. An assembly (2) for receiving a seagoing vessel (1), said assembly being capable of being suspended from an articulated arm (4) of a handling structure (3) provided with a lifting cable (8) intended to carry a seagoing vessel (1) and to move said vessel in a vertical direction (z) so as to deploy and/or recover said vessel (1) into/from the sea from a floating craft (5), to which said handling structure (3) is fixed, said receiving assembly (2) comprising a lower part (15) comprising means (16) for receiving said vessel (1), characterised in that said receiving means (16) have a passage (20), through which said cable (8) is able to pass, said receiving means (16) delimiting a hollow (18) capable of receiving said vessel (1) when said vessel is suspended from said lifting cable (8) and being arranged so as to block rotation and translation movements of a seagoing vessel (1) in the upwards vertical direction (z) relative to said receiving means (16) when said seagoing vessel (1) is received through said hollow (18) and comes into abutment with the receiving means.
  2. The receiving assembly (2) according to the preceding claim, wherein said receiving means (16) have a U-shaped profile.
  3. The receiving assembly (2) according to the preceding claim, wherein said U-shape is flared.
  4. The receiving assembly according to any one of claims 2 to 3, wherein said U-shape has two wings (17) connected by a web (21), said wings (17) advantageously being flared from their respective free ends up to said web (21).
  5. The receiving assembly (2) according to any one of claims 2 to 4, wherein said receiving means (16) are at least partly made of an elastically deformable compressible material so as to dampen collisions between said vessel (1) and said receiving means (16).
  6. The receiving assembly (2) according to any one of the preceding claims, further comprising:
    - translation movement guide means (23) leaving a degree of translational freedom in the vertical direction (z) between said receiving means (16) and a base (40) when the latter is suspended from said arm (4); and
    - a spring (22) arranged so as to allow said receiving means (16) to separate from said base (40) in the vertical direction when said receiving assembly (2) is suspended from said arm (4).
  7. The receiving assembly (2) according to the preceding claim, wherein said guide means (23) are passive means coupled to said spring (22) so that when said spring (22) is compressed or stretched said guide means (23) guide the displacement of said receiving means (16) relative to said base (40) in the direction (z).
  8. The receiving assembly (2) according to any one of claims 6 to 7, wherein said receiving assembly comprises at least one visual indicator (I1, I2, I3, I4) coupled to said spring (22) to provide a visual indication of the state of compression of said spring.
  9. The receiving assembly (2) according to the preceding claim, comprising a plurality of visual indicators arranged so as to form different geometric figures when said spring is at its mid-way point, is compressed to the maximum and is in its balanced position.
  10. The receiving assembly (2) according to any one of the preceding claims, said assembly (2) being provided with a pulley (9) intended to guide said lifting cable (8) in the vertical direction (z) when said receiving assembly (2) is suspended from said arm (4).
  11. The receiving assembly (2) according to any one of the preceding claims, said assembly (2) being arranged so as to be able to be suspended from an articulated arm (4) of a handling structure (3), whilst leaving at least one degree of rotational freedom about an axis perpendicular to said vertical direction (z) between a lower part (15) of said receiving assembly (2) comprising said receiving means (16) and said handling structure (3).
  12. The receiving assembly (2) according to the preceding claim, comprising means (24, 25) intended to dampen the relative movements between said suspension arm (4) and said lower part (15) of said receiving assembly (2) in at least one degree of rotational freedom.
  13. The receiving assembly (2) according to the preceding claim, wherein said means (24, 25) that are intended to dampen the relative movements between said suspension arm (4) and said lower part (15) of said receiving assembly (2) in at least one degree of rotational freedom are passive.
  14. The receiving assembly (2) according to any one of claims 11 to 13, comprising at least one mechanical fuse designed so as to shear and disconnect said lower part (15) of said articulated arm (4) when the amplitude of the relative oscillation movement of said lower part (15) relative to said arm (4) in at least one degree of rotational freedom is higher than a predetermined threshold.
  15. A device for deploying and recovering a seagoing vessel (1) from a floating craft comprising a handling structure (3) comprising an articulated arm (4), from which a receiving assembly according to any one of the preceding claims is suspended.
  16. A method for using a device for deploying and recovering a seagoing vessel (1) according to the preceding claim as dependent on any one of claims 6 to 9, wherein, before moving said articulated arm (4) in order to move said receiving assembly (2) when said vessel (1) is attached to said lifting cable (8), said lifting cable (8) is wound so that said vessel (1) comes into abutment against said receiving means (16) and compresses said spring (22) up to approximately its mid-way point.
EP13702954.2A 2012-02-03 2013-01-28 Receiving assembly for receiving a seagoing vessel and system for recovering and deploying such a vessel in the sea Active EP2809571B1 (en)

Applications Claiming Priority (2)

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FR1200320A FR2986498B1 (en) 2012-02-03 2012-02-03 NAVIGANT ENGINE RECEIVING ASSEMBLY AND SYSTEM FOR RECOVERING AND DEPLOYING TO THE SEA OF SUCH AN EQUIPMENT
PCT/EP2013/051535 WO2013113644A1 (en) 2012-02-03 2013-01-28 Receiving assembly for receiving a seagoing vessel and system for recovering and deploying such a vessel in the sea

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EP (1) EP2809571B1 (en)
JP (1) JP6134741B2 (en)
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WO2010147518A1 (en) * 2009-06-15 2010-12-23 Safe At Sea Aktiebolag Light weight boat lift arrangement
SE534598C2 (en) * 2010-02-24 2011-10-18 Cargotec Sweden Ab Container hoist with absolute positioning of locking pins
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Also Published As

Publication number Publication date
EP2809571A1 (en) 2014-12-10
JP6134741B2 (en) 2017-05-24
IN2014DN06487A (en) 2015-06-12
CA2863562A1 (en) 2013-08-08
CA2863562C (en) 2019-10-29
JP2015510470A (en) 2015-04-09
US20140377004A1 (en) 2014-12-25
WO2013113644A1 (en) 2013-08-08
FR2986498B1 (en) 2014-02-14
SG11201404563WA (en) 2014-10-30
FR2986498A1 (en) 2013-08-09
US9969599B2 (en) 2018-05-15

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