EP3956211B1 - System for recovering a surface marine craft from a carrier ship - Google Patents
System for recovering a surface marine craft from a carrier ship Download PDFInfo
- Publication number
- EP3956211B1 EP3956211B1 EP20716515.0A EP20716515A EP3956211B1 EP 3956211 B1 EP3956211 B1 EP 3956211B1 EP 20716515 A EP20716515 A EP 20716515A EP 3956211 B1 EP3956211 B1 EP 3956211B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- lifting
- anchor
- handle
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000011084 recovery Methods 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 7
- 241000269800 Percidae Species 0.000 description 6
- 238000013459 approach Methods 0.000 description 3
- 235000005921 Cynara humilis Nutrition 0.000 description 2
- 240000002228 Cynara humilis Species 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 210000003323 beak Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Images
Classifications
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- 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
- B63B27/36—Arrangement of ship-based loading or unloading equipment for floating cargo
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- 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
- B63B23/48—Use of lowering or hoisting gear using winches for boat handling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
- B63B19/08—Ports or like openings in vessels' sides or at the vessels' bow or stern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
- B63B21/58—Adaptations of hooks for towing; Towing-hook mountings
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- 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
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- 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
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- 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
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- 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
Definitions
- the present invention relates to the field of launching and recovering unsinkable marine vehicles by a ship.
- the invention finds a preferential application in the launching and recovery of semi-rigid boats, commonly referred to by the English acronym RHIB for “rigid-hulled inflatable boat”.
- Davits of various types, which make it possible to place in the water or to lift from the surface of the water a marine vehicle, cantilevered from the hull of the mother ship. Davits are particularly suitable for launching and recovering surface gear.
- the document CN 104 015 886 presents an example of a davit device.
- Davits are reliable and widely distributed devices. Nevertheless, the davit devices known in the state of the art have a certain number of drawbacks.
- Davit systems are generally not suitable for recovering autonomous surface marine vehicles.
- the devices with davits which allow the recovery of autonomous marine devices or without the intervention of the personnel on board the marine device are devices dedicated to a specific type of device, and which are complex and heavy. These devices are difficult to adapt to ships which are not equipped with them from the outset.
- the invention aims to provide a system for launching and especially for recovering a davit-type surface marine vehicle allowing the recovery of autonomous, remotely operated or manned vehicles but with little intervention (or even without intervention ) personnel on board the craft during its recovery, and which can be used in rough seas.
- the immersion of the anchor makes it possible to maintain the end of the guide cable in the water, which allows the marine vehicle to bind to the guide cable by its front module, even with a significant swell.
- the invention is based on a conventional davit device (or a device of similar configuration), which limits its cost, facilitates its implementation, and allows the adaptation of pre-existing davit-type systems.
- the implementation of a front module carried by the marine surface vehicle to be recovered makes it possible to automate the steps aimed at receiving the guide and lifting cables at the level of said marine surface vehicle.
- the lifting cable may comprise an end portion fixed in a removable manner to the guide cable so as to facilitate the joint reception of said guide cable and lifting cable in the opening of the front module.
- the system may include a winch on which the towing cable is wound so as to vary the length of the towing cable outside the hull of the carrying vessel.
- the anchor may have an arm as the part by which it attaches to the front module, said arm being substantially oriented towards the surface of the water when the anchor is suspended by the guide cable, in the absence of other constraints, and submerged.
- the receiving device further comprises two guide bars articulated on the front module, said bars being able to pivot from a folded position to a deployed position in which they form a guide converging towards said front module.
- the handle and the lifting support preferably have a correspondence in shape such that the handle is immobilized with respect to the lifting support when the lifting cable, which has been fixed to the handle by its connecting interface, is tensioned .
- a reel may be provided close to the lifting support, the reel comprising a handling cable linked to the handle, the winding of the handling cable making it possible to bring the handle from the front module to the lifting support.
- the invention also relates to an assembly comprising a carrier vessel and a marine surface vehicle comprising a recovery system as previously described, the lifting device equipping the carrier vessel and the reception device equipping the marine vehicle.
- the marine craft may be a semi-rigid hull type craft.
- FIG. 1 represents the context of application of the invention, and corresponds to the state of the art. More specifically, the figure 1 represents a part of a carrier vessel 1, which comprises a deck 2, for example an aft deck.
- the rear deck 2 is intended to receive, for example on cradles 3, a marine vehicle 4, which is a marine surface vehicle.
- the marine machine 4 represented here is a boat with a semi-rigid hull, which can be part of the drome of the carrier ship 1.
- the carrier vessel To launch the marine vehicle 4 and retrieve it, the carrier vessel has a davit 5, the end of which can be positioned cantilevered from the hull 6 of the carrier vessel. This makes it possible to raise or lower the marine machine 4 along the hull 6, thanks to a lifting cable 7 linked to the davit 5.
- the lifting cable can in particular be unwound outside the carrier vessel 1 to lower the machine sailor 4 or rolled up in the carrier vessel 1 in order to lift the marine vehicle 4, for example using a pulley winch.
- the lifting cable 7 is connected for this purpose to a lifting point of the marine vehicle, which is formed by an element suitable for supporting the weight of the marine vehicle and its occupants, if any, and which is positioned at a lifting point 8 allowing the watercraft to be suspended in balance, substantially flat.
- the lifting point is thus substantially in the vertical axis of the center of gravity of the marine vehicle.
- the lifting point can be formed on a set of straps or ropes linked at several points of the watercraft, and the invention which is described below is applicable to such a configuration.
- the lifting point is considered to be a single point, forming part of the watercraft 4.
- the invention proposes a system, based on a conventional device with a davit such as that of the figure 1 , and adaptable to a pre-existing device, allowing the recovery of a marine surface vehicle in rough seas.
- the invention is described below on the basis of a lifting device comprising a davit proper.
- the invention can more generally implement a lifting means "of the davit type", that is to say a davit strictly speaking or an equivalent lifting device, cantilevered from the hull of a carrying vessel. , for example a crane of configuration similar to that of a davit.
- FIG. 2 illustrates the main elements of a system according to one embodiment of the invention, including an example of constitution and the use of which are explained with reference to the following figures.
- a lifting device equips a carrier vessel 1.
- the lifting device comprises a davit 5, which is equipped with a lifting cable 7.
- the davit 5 is here installed on the deck 2 of the carrier vessel 1.
- the device lifting comprises a pole 9 extending laterally from the hull 2 of the carrier vessel 1, which can also be referred to by the term "gallows".
- the pole 9 carries, for example at its end, a so-called guide cable 10.
- the guide cable 10 is thus suspended in a vacuum by the pole 9.
- An anchor 11 is fixed to the free end of the guide cable 10
- the boom 9 is positioned above the waterline of the carrier vessel 1 and preferably above the level of the deck 2 and the davit 5.
- the length of guide wire 10 allows anchor 11 to be submerged.
- the anchor when the anchor is suspended freely by the guide cable 11, it is located below the waterline of the carrier vessel 1.
- the anchor is suspended well below the waterline of the carrier vessel 1 , in order to remain permanently submerged despite the swell.
- the anchor can be suspended between two and four meters below the waterline of the carrier vessel 1.
- the length of the guide cable 10 can be fixed or adaptable.
- the anchor 11 can consist of a solid element, for example metallic.
- the anchor 11 can comprise hydrodynamic planes which orient the anchor in a predefined position when the carrying vessel 1 advances.
- the free end of the lifting cable 7 is fixed, in a removable manner, to the anchor 11.
- an end portion of the said lifting cable 7 is fixed in a removable manner to the guide cable 10, so that, from the anchor 11 at a given point of the guide cable, located between the anchor 11 and the pole 9, the lifting cable 7 follows the guide cable 10. On this portion, the lifting cable 7 and the guide cable 10 thus form only one elongated whole.
- the lifting device further comprises a towing cable 12.
- the towing cable 12 equivalent to a false arm used in known devices, is linked to the carrying vessel 1 at a point of the hull 6 located forward of the davit 5 and in front of pole 9.
- the towing cable 12 by its orientation, makes it possible, when it is linked to a marine surface vehicle which must be recovered by the carrier vessel 1, to tow the marine vehicle and to maintain it longitudinally in position relative to the carrier vessel 1.
- the system of figure 2 further comprises a reception device carried by the marine vehicle 4.
- the reception device comprises a front module 13, installed at the front of the surface marine vehicle 4.
- the front module 13, the constitution of which is detailed below -after, can be called “rostrum", because it extends partly cantilevered from the bow of the marine craft 4.
- variable length of a cable it is understood that the free part of the cable is of variable length, typically the length of the lifting cable 7 between the davit 5 and its free end, the length of the guide cable between the pole 9 and the 'anchor 11, the length of the traction cable 12 between the hull 6 of the carrying vessel and the anchor 11.
- the lifting device of the picture 3 is shown in a configuration ready for recovery from a marine craft.
- the connecting interface 14 takes in the example represented here the form of a hook, and is fixed to the anchor 11.
- the end portion of the lifting cable 7 is fixed to the corresponding end portion of the guide cable 10, by connecting means 15.
- the connecting means 15 nevertheless allow the loosening of the connection between the lifting cable 7 and the guide cable 10, for example under the effect of sufficient force.
- a float or a buoy 16 can equip the guide cable 10.
- FIG. 4 represents a marine vehicle 4, namely a boat with a semi-rigid hull, which constitutes a preferred application of the invention.
- the marine vehicle 4 is equipped with a reception device, implemented for the recovery of the marine vehicle 4 by the carrying vessel 1.
- the reception device comprises a front module 13 and a lifting support installed at a point lifting device 8 of the marine vehicle 4.
- the front module 13 is installed at the bow of the marine vehicle 4.
- FIG. 5 thus schematically represents, seen from above, a marine surface craft 4, equipped with a reception device implemented in the invention, and in particular a front module 13.
- the marine craft 4 must be recovered using of one davit lifting device 5, in order to be hoisted by its lifting point 8 on the deck of a carrier vessel.
- the lifting device corresponds more precisely to the lifting device shown in picture 3 .
- the front module 13 comprises two bars 17 which can take by pivoting vis-à-vis the rest of the front module 13, a retracted position shown in figure 4 , in which they take up little space and extend slightly out of the marine vehicle 4 during its navigation, and the deployed position shown in figure 6 .
- the bars 17 can substantially match the shape of the hull (rigid or inflatable) of the marine vehicle 4.
- the bars 17 are oriented substantially in V with respect to each other, preferably symmetrically with respect to a plane of longitudinal symmetry of the marine vehicle (if the marine vehicle is symmetrical).
- the bars 17 extend cantilevered forward of the marine vehicle 4 substantially horizontally (parallel to the surface of the water), and form an angle between them to allow recovery and guidance to the front module 13 of any substantially vertical cable or element entering between them.
- the front module can be used according to various variant embodiments of the invention, in order to form a converging guide, in particular with fixed bars, or movable bars in planes other than the horizontal plane.
- the bars 17 can be curved (for example to match the shape of the front hull of the marine vehicle).
- the means for receiving a cable or rope at the bow of the marine vehicle can have shapes other than two bars, it can be one-piece or, on the contrary, be formed of several elements that can be unfolded to form a guide. .
- the movement of the bars 17, or any other means allowing the reception of a cable at the front of the marine vehicle can be automatic (motorized) or manual.
- the marine vehicle 4 is then maneuvered to bring the guide cable 10 opposite the branches 17, in the angle they form.
- FIG 7 represents the front module 13, with its bars 17 deployed, when the guide cable 10 approaches.
- the guide cable 10 is illustrated in three successive positions, referenced a, b, and c.
- the guide cable is linked to the lifting cable 7.
- position a the guide bars 17 abut, due to the advance of the marine vehicle 4, against the guide cable 10 and the lifting cable 7 Converging towards the front module 13, the bars 17 guide the guide cable 10 and the lifting cable 7 towards a trigger 18, on which the guide cable 10 and the lifting cable 7 press so as to actuate it in rotation (position b on the figure 7 ).
- the guide cable 10 and the lifting cable 7 then enter an opening 19 formed in the front module 13. Once the trigger 18 escapes the guide cable 10 and the lifting cable 7, it closes so as to prevent the guide cable 10 and the lifting cable 7 to come out of the opening 19.
- the guide cable 10 and the lifting cable 7 can nevertheless freely translate vertically in the opening 19. This position corresponds to position c illustrated to the figure 7 , and also corresponds to the step illustrated by the figure 8 , according to a side view analogous to the view of the picture 3 .
- the marine machine 4 is linked by its front module 13 to the guide cable 10 and concomitantly to the lifting cable 7, which can nevertheless be translated in the front module 13, under the effect of a movement of the machine. relative to the carrier boat, this movement possibly corresponding to a movement in the horizontal plane (advance or retreat of the marine vehicle, lateral movement) or vertically (movement caused by the waves, the swell).
- the traction cable is loose, and does not apply any significant force on the marine vehicle 4.
- the marine vehicle 4 has moved back vis-à-vis the pole 9, which has the effect of raising the guide cable 10 in the front module 13.
- the anchor 11 is thus out of the water, and begins to approach the underside of the front module 13.
- the recoil of the marine machine can be achieved by slowing down, at a speed lower than that of the carrying boat, for example.
- the system shown here has a fixed length guide wire.
- the guide cable can be of variable length, for example adjustable using a winch, to cause the guide cable to rise in the opening 19 of the front module 13.
- the anchor 11 has come into contact with the front module 13.
- the anchor 11 has fitted into the front module 13. More specifically, an arm 20 of the anchor 11 is housed in a corresponding receiving housing of the front module 13.
- the arm 20 of the anchor is a part of the anchor preferably oriented substantially vertically, so that it is introduced into the housing of the front module 13 through an opening provided under said front module 13. Once in the receiving housing, the arm 20 and therefore the anchor 11 are immobilized vis-à-vis the front module 13.
- connection interface 14 of the lifting cable which here has the shape of a hook
- the part of the anchor 11 to which the connecting interface 14 of the lifting cable is linked which here has the shape of a hook, is introduced into the opening 19 of the front module 13. This positions the hook opposite of a handle 21, visible at figure 7 .
- the connecting interface is then engaged on said handle 21, and clings to it.
- any other connection interface configuration can be envisaged, provided that said connection interface is configured so as to be connected to the handle 21 when fixing the anchor 11 to the front module 13.
- the davit winch 5 is operated, reducing the length of the hoist rope 7.
- the shortening of the hoist rope 7 begins to cause it to separate from the guide rope 10, as shown in figure 10 where the connecting means located above the buoy 16 gave way to release the lifting cable 7.
- the connecting means 15 gradually release the lifting cable 7 until it is completely separated from the guide cable 10.
- the handle 21 is also linked by a cable to a winch located near the lifting point 8 of the marine vehicle 4.
- the towing cable 12 ensures the longitudinal maintenance of the marine vehicle vis-à-vis the carrier boat.
- the guide cable 10 essentially ensures its lateral support, at the level of its bow.
- the marine vehicle 4 can then be lifted, hoisted out of the water by the lifting cable 7. More precisely, the connecting interface 14 (for example in the form of a hook) of the cable lifting is in engagement with the handle 21 which is fixed to the lifting bracket. This step is shown in figure 12 .
- FIG 13 represents this same stage, according to a three-dimensional view analogous to that of the figures 1 and 2 , on which the carrier vessel 1, its bridge 2, and the davit 5 in particular are clearly visible.
- THE figures 14 to 18 illustrate on detailed principle views the sequence which takes place at the level of the front module 13 during the recovery of the marine vehicle.
- FIG. 14 represents the anchor 11, which comprises an arm 20. It comprises a vertical extension 22 to which the guide cable 10 is linked.
- the link interface 14 located at the end of the lifting cable 7 is removably fixed to the vertical extension 22.
- the towing cable 12 is also linked to the anchor 11.
- the guide cable 10 and the lifting cable 7 have been introduced into the opening 19 of the front module 13 of a marine vehicle to be recovered, and are held there (for example under the effect of a trigger located at entrance to opening 19).
- the anchor 11 is brought closer to the front module 13, under the effect of the traction of the guide cable 10 (which is shortened, or due to a movement of the marine craft).
- the arm 20 is introduced into a housing 23 for receiving.
- the receiving housing 23 is shaped to accommodate the arm 21.
- a mechanism, located in the housing 23, or on the arm 20 (or both), makes it possible to immobilize the arm 20 in the housing 23.
- the anchor 11 is thus fixed rigidly to the front module 13. This also has the consequence of positioning the connection interface 14, in this case a hook, opposite the handle 21 to which it is ready to hang.
- the cooperation between the arm 20 and the anchor makes it possible to put the anchor precisely in position vis-à-vis the front module 13, so as to correctly position the hook so that the handle 21 engages therein.
- the attachment with the front module is final, that is to say the anchor cannot be released from the front module without voluntary human intervention.
- a traction exerted on the lifting cable 7 has the effect of separating said lifting cable 7, the end portion of which was linked to the guide cable 10, of said guide cable, and of engaging the handle 21 in the hook.
- the handle 21 has been separated from the front module 13. It is brought in the direction of the lifting point of the marine vehicle, by pulling a handle cable 24, to be fixed there.
- a box 25 can be installed at the lifting point of the marine vehicle, in order to form a lifting support.
- the housing 25 has an open face, and a lower orifice 26 through which the handle cable 24 passes. exerted by the handle cable 24 on the handle 21 brings the handle 21 into the housing 25, into which it is introduced by the open face.
- the lifting cable not shown in figures 19 to 21 , begins to exert a vertical traction on the handle 21, which causes its recovery in the housing 25, illustrated in the figure 20 .
- a notch 27 made in the upper face 28 of the casing 25 allows the passage of an upper element of the handle 21 (to which the lifting cable is connected via its end hook or other connection interface).
- the system thus developed in the invention allows the recovery of a marine surface vehicle from a carrier boat. It can be used both for piloted marine devices and for unmanned, remotely operated or autonomous marine devices. Furthermore, the recovery of the marine vehicle can be carried out in rough seas, typically up to a sea state of level 4 or 5 according to the Douglas scale.
- the invention is based on a lifting means of the conventional davit type, which limits its cost, facilitates its implementation, and allows the system to be adapted to a pre-existing davit.
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
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Description
La présente invention concerne le domaine de la mise à l'eau et de la récupération d'engins marins insubmersibles par un navire.The present invention relates to the field of launching and recovering unsinkable marine vehicles by a ship.
Elle porte plus particulièrement sur la récupération des navires de dimensions réduites depuis un navire mère ou navire porteur. Cela inclut les caboteurs, annexes, navires d'exploration, pilotés, téléopérés, ou autonomes (drone de surface). Dans un navire militaire, l'ensemble de ces embarcations à bord du navire porteur est appelé la drome. L'invention trouve une application préférentielle dans le lancement et la récupération de bateau semi-rigides, couramment désignés par l'acronyme anglophone RHIB pour « rigid-hulled inflatable boat ».It relates more particularly to the recovery of ships of reduced dimensions from a mother ship or carrier ship. This includes coasters, tenders, exploration vessels, piloted, remotely operated, or autonomous (surface drone). In a military ship, the set of these craft on board the carrier ship is called the drome. The invention finds a preferential application in the launching and recovery of semi-rigid boats, commonly referred to by the English acronym RHIB for “rigid-hulled inflatable boat”.
La mise à l'eau d'un engin marin par un navire, dit navire mère, navire porteur, ou encore bateau mère, ainsi que sa récupération, sont réalisées dans l'état de la technique grâce à divers dispositifs.The launching of a marine vehicle by a ship, called mother ship, carrier ship, or even mother ship, as well as its recovery, are carried out in the state of the art thanks to various devices.
Il est par exemple connu d'employer des bossoirs, de divers types, qui permettent de déposer dans l'eau ou de lever depuis la surface de l'eau un engin marin, en porte à faux de la coque du navire mère. Les bossoirs sont particulièrement adaptés à la mise à l'eau et la récupération d'engins de surface.It is for example known to employ davits, of various types, which make it possible to place in the water or to lift from the surface of the water a marine vehicle, cantilevered from the hull of the mother ship. Davits are particularly suitable for launching and recovering surface gear.
Le document
Les bossoirs sont des dispositifs fiables, et largement diffusés. Néanmoins, les dispositifs à bossoirs connus dans l'état de la technique présentent un certain nombre d'inconvénients.Davits are reliable and widely distributed devices. Nevertheless, the davit devices known in the state of the art have a certain number of drawbacks.
Les systèmes à bossoirs ne sont en général pas adaptés à la récupérations d'engins marins de surface autonomes. Les dispositifs à bossoirs qui permettent la récupérations d'engins marins autonomes ou sans intervention du personnel à bord de l'engin marin sont des dispositifs dédiés à un type d'engins précis, et qui sont complexes et lourds. Ces dispositifs sont difficilement adaptables à des navires qui n'en sont pas équipés dès l'origine.Davit systems are generally not suitable for recovering autonomous surface marine vehicles. The devices with davits which allow the recovery of autonomous marine devices or without the intervention of the personnel on board the marine device are devices dedicated to a specific type of device, and which are complex and heavy. These devices are difficult to adapt to ships which are not equipped with them from the outset.
En outre, l'emploi de systèmes à bossoirs de constitution simple est complexe voire impossible dans une mer agitée par une houle importante. L'état de la mer est couramment décrit selon l'échelle de Douglas, qui définit l'état de la mer selon neuf classes de valeur. Les bossoirs connus dans l'état de la technique sont au mieux utilisables jusqu'à une mer de niveau 3, c'est-à-dire peu agitée.In addition, the use of davit systems of simple constitution is complex or even impossible in a sea agitated by a large swell. Sea state is commonly described using the Douglas scale, which defines sea state according to nine value classes. The davits known in the state of the art are at best usable up to a
L'invention vise à proposer un système de mise à l'eau et surtout de récupération d'un engin marin de surface de type à bossoir permettant la récupération d'engins autonomes, téléopérés, ou habités mais avec une intervention faible (voire sans intervention) du personnel à bord de l'engin lors de sa récupération, et pouvant être mis en oeuvre dans une mer agitée.The invention aims to provide a system for launching and especially for recovering a davit-type surface marine vehicle allowing the recovery of autonomous, remotely operated or manned vehicles but with little intervention (or even without intervention ) personnel on board the craft during its recovery, and which can be used in rough seas.
Ainsi, l'invention porte sur système de récupération d'un engin marin de surface par un navire porteur, ledit système comportant :
- a) un dispositif de levage destiné à équiper le navire porteur et qui comporte :
- un moyen de levage du type bossoir, équipé d'un câble de levage comportant à une extrémité une interface de liaison,
- une perche destinée à s'étendre latéralement à l'extérieur d'une coque du navire porteur, au-dessus de sa ligne de flottaison, un câble de guidage étant suspendu à ladite perche,
- une ancre liée à une extrémité libre dudit câble de guidage, ledit câble de guidage étant dimensionné de sorte que, lorsque l'ancre est suspendue à la perche par le câble de guidage, en l'absence d'autres contraintes, l'ancre est sous la ligne de flottaison du navire porteur, l'interface de liaison du câble de levage étant liée de manière amovible à l'ancre, et
- un câble de tractage, destiné à être lié d'une part au navire porteur en avant de la perche, et lié d'autre part à l'ancre, et
- b) un dispositif de réception adapté à coopérer avec le dispositif de levage et destiné à équiper l'engin marin, le dispositif de réception comportant :
- un module avant, destiné à équiper la proue de l'engin marin, comportant une ouverture configurée pour réceptionner conjointement le câble de guidage et le câble de levage, et à laisser lesdits câble de guidage et câble de levage libres en translation dans ladite ouverture, et comportant un logement de réception adapté à recevoir une partie de l'ancre par laquelle l'ancre se fixe audit module avant lorsque ladite partie est engagée dans ledit logement, la fixation de l'ancre au module avant entrainant la fixation de l'interface de liaison du câble de levage à une poignée liée de manière amovible au module avant, et
- un support de levage, destiné à être fixé rigidement en au moins un point de levage de l'engin marin, ledit support de levage étant conformé pour recevoir et immobiliser la poignée.
- a) a lifting device intended to be fitted to the own ship and comprising:
- a davit-type lifting means, equipped with a lifting cable comprising at one end a connecting interface,
- a pole intended to extend laterally outside a hull of the carrying vessel, above its waterline, a guide cable being suspended from said pole,
- an anchor bonded to a free end of said guide wire, said guide wire being sized such that when the anchor is suspended from the pole by the guide wire, in the absence of other constraints, the anchor is below the own vessel's waterline, with the hoisting cable connection interface releasably attached to the anchor, and
- a towing cable, intended to be linked on the one hand to the carrying vessel in front of the pole, and linked on the other hand to the anchor, and
- b) a receiving device adapted to cooperate with the lifting device and intended to be fitted to the marine craft, the receiving device comprising:
- a front module, intended to equip the bow of the marine vehicle, comprising an opening configured to jointly receive the guide cable and the lifting cable, and to leave the said guide cable and the lifting cable free in translation in the said opening, and comprising a receiving housing adapted to receive a part of the anchor by which the anchor is fixed to said front module when said part is engaged in said housing, the fixing of the anchor to the front module causing the fixing of the interface connecting the lifting cable to a handle detachably connected to the front module, and
- a lifting support, intended to be fixed rigidly at at least one lifting point of the marine vehicle, said lifting support being shaped to receive and immobilize the handle.
L'immersion de l'ancre permet de maintenir l'extrémité du câble de guidage dans l'eau, ce qui permet à l'engin marin de se lier au câble de guidage par son module avant, même avec une houle importante.The immersion of the anchor makes it possible to maintain the end of the guide cable in the water, which allows the marine vehicle to bind to the guide cable by its front module, even with a significant swell.
L'invention est fondée sur un dispositif à bossoir classique (ou un dispositif de configuration analogue), ce qui limite son coût, facilite sa mise en oeuvre, et permet l'adaptation de systèmes de type bossoir préexistants. La mise en oeuvre d'un module avant porté par l'engin marin de surface à récupérer permet d'automatiser les étapes visant à réceptionner les câbles de guidage et de levage au niveau dudit engin marin de surface.The invention is based on a conventional davit device (or a device of similar configuration), which limits its cost, facilitates its implementation, and allows the adaptation of pre-existing davit-type systems. The implementation of a front module carried by the marine surface vehicle to be recovered makes it possible to automate the steps aimed at receiving the guide and lifting cables at the level of said marine surface vehicle.
Le câble de levage peut comporter une portion d'extrémité fixée de manière amovible au câble de guidage de sorte à faciliter la réception conjointe desdits câble de guidage et câble de levage dans l'ouverture du module avant.The lifting cable may comprise an end portion fixed in a removable manner to the guide cable so as to facilitate the joint reception of said guide cable and lifting cable in the opening of the front module.
Le système peut comporter un treuil sur lequel s'enroule le câble de tractage de sorte à faire varier la longueur du câble de tractage hors de la coque du navire porteur. L'ancre peut comporter un bras en tant que partie par laquelle elle se fixe au module avant, ledit bras étant sensiblement orienté vers la surface de l'eau lorsque l'ancre est suspendue par le câble de guidage, en l'absence d'autres contraintes, et immergée. Dans un mode de réalisation, le dispositif de réception comporte en outre deux barres de guidage articulées sur le module avant, lesdites barres pouvant pivoter d'une position repliée à une position déployée dans laquelle elles forment un guide convergeant vers ledit module avant.The system may include a winch on which the towing cable is wound so as to vary the length of the towing cable outside the hull of the carrying vessel. The anchor may have an arm as the part by which it attaches to the front module, said arm being substantially oriented towards the surface of the water when the anchor is suspended by the guide cable, in the absence of other constraints, and submerged. In one embodiment, the receiving device further comprises two guide bars articulated on the front module, said bars being able to pivot from a folded position to a deployed position in which they form a guide converging towards said front module.
La poignée et le support de levage présentent de préférence une correspondance de forme telle que la poignée est immobilisée vis à vis du support de levage lorsque le câble de levage, qui a été fixé à la poignée par son interface de liaison, est mis en tension.The handle and the lifting support preferably have a correspondence in shape such that the handle is immobilized with respect to the lifting support when the lifting cable, which has been fixed to the handle by its connecting interface, is tensioned .
Un enrouleur peut être prévu à proximité du support de levage, l'enrouleur comportant un câble de manutention lié à la poignée, l'enroulement du câble de manutention permettant d'amener la poignée depuis le module avant jusqu'au support de levage. L'invention porte aussi sur un ensemble comportant un navire porteur et un engin marin de surface comportant un système de récupération tel que précédemment décrit, le dispositif de levage équipant le navire porteur et le dispositif de réception équipant l'engin marin.A reel may be provided close to the lifting support, the reel comprising a handling cable linked to the handle, the winding of the handling cable making it possible to bring the handle from the front module to the lifting support. The invention also relates to an assembly comprising a carrier vessel and a marine surface vehicle comprising a recovery system as previously described, the lifting device equipping the carrier vessel and the reception device equipping the marine vehicle.
L'engin marin peut être une embarcation de type à coque semi-rigide.The marine craft may be a semi-rigid hull type craft.
L'invention porte enfin sur procédé de récupération d'un engin marin équipé d'un dispositif de réception par un navire porteur équipé d'un dispositif de levage, lesdits dispositif de réception et dispositif de levage formant un système de récupération tel que décrit ci-dessus, ledit procédé comportant les étapes de :
- mettre à l'eau de l'ancre liée au câble de guidage et au câble de traction, l'interface de liaison du câble de levage étant liée à ladite ancre ;
- recevoir dans l'ouverture du dispositif de réception du câble de guidage et du câble de levage;
- amener l'ancre contre le module avant et engager dans le logement du module avant la partie de l'ancre destinée à y être reçue, entrainant la fixation de l'ancre au module avant et la fixation de l'interface de liaison du câble de levage à la poignée ;
- séparer la poignée vis-à-vis de l'ancre, l'engin marin restant guidé par le câble de guidage et tracté par le câble de tractage,
- fixer la poignée au support de levage,
- lever l'engin marin par le câble de levage,
- déposer l'engin marin sur un pont du navire porteur à l'aide du moyen de levage du type bossoir.
- launching the anchor connected to the guide cable and to the traction cable, the connection interface of the lifting cable being connected to said anchor;
- receiving in the opening of the receiving device the guide rope and the lifting rope;
- bring the anchor against the front module and engage in the housing of the front module the part of the anchor intended to be received there, causing the fixing of the anchor to the front module and the fixing of the connection interface of the cable of handle lifting;
- separate the handle vis-à-vis the anchor, the marine machine remaining guided by the guide cable and towed by the towing cable,
- attach the handle to the lifting support,
- lift the marine vehicle by the lifting cable,
- deposit the marine vehicle on a deck of the carrier vessel using the davit-type lifting means.
D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will appear further in the description below.
Aux dessins annexés, donnés à titre d'exemples non limitatifs :
- la
figure 1 représente, selon une vue schématique en trois dimensions, le contexte d'application de l'invention ; - la
figure 2 représente, selon une vue schématique en trois dimensions, un navire porteur et un engin marin de surface équipés d'un système de récupération conforme à un mode de réalisation de l'invention ; - la
figure 3 représente, selon une vue schématique un dispositif de levage mis en oeuvre dans un mode de réalisation de l'invention ; - la
figure 4 représente, selon une vue tridimensionnelle, un engin marin de surface de type embarcation à coque semi-rigide, équipé d'un dispositif de réception mis en oeuvre dans un mode de réalisation de l'invention ; - la
figure 5 représente, selon une vue schématique de dessus, un engin marin de surface équipé d'un dispositif de réception qui peut être mis en oeuvre dans un mode de réalisation de l'invention avant récupération par le dispositif de levage de lafigure 3 ; - la
figure 6 représente, selon une vue analogue à celle de lafigure 5 , l'engin marin de surface de lafigure 5 en approche du dispositif de levage desfigures 3 et 5 ; - la
figure 7 représente, selon une vue schématique de dessus, un module avant mis en oeuvre dans le dispositif de réception équipant l'engin marin représenté auxfigures 5 ;et 6 - la
figure 8 représente, selon une vue schématique de côté, une étape de récupération de l'engin marin de surface desfigures 5 par un dispositif de levage deset 6figures 3 ,5 ;et 6 - la
figure 9 représente une étape de récupération faisant suite à l'étape de lafigure 8 ; - la
figure 10 représente une étape de récupération faisant suite à l'étape de lafigure 9 ; - la
figure 11 représente une étape de récupération faisant suite à l'étape de lafigure 10 ; - la
figure 12 représente une étape de récupération faisant suite à l'étape de lafigure 11 ; - la
figure 13 représente, selon une vue tridimensionnelle analogue à celle de lafigure 2 , l'étape de récupération de lafigure 12 ; - la
figure 14 représente, selon une vue schématique de côté, une ancre mise en oeuvre dans un mode de réalisation de l'invention ; - la
figure 15 représente selon une vue analogue à celle de lafigure 14 , une étape de la coopération entre l'ancre de lafigure 14 et un module avant mis en oeuvre dans ce mode de réalisation de l'invention ; - la
figure 16 représente une étape de la coopération entre l'ancre et le module avant faisant suite à l'étape de lafigure 15 ; - la
figure 17 représente une étape de la coopération entre l'ancre et le module avant faisant suite à l'étape de lafigure 16 ; - la
figure 18 représente une étape de la coopération entre l'ancre et le module avant faisant suite à l'étape de lafigure 17 ; - la
figure 19 représente, selon une vue schématique en trois dimensions, un exemple de conformation d'une poignée et d'un support de levage mis en oeuvre dans un mode de réalisation de l'invention ; - la
figure 20 représente, selon une vue analogue à celle de lafigure 19 , la poignée et le support de levage dans une position intermédiaire ; - la
figure 21 représente, selon une vue analogue à celle desfigures 19 , la coopération entre la poignée et le support de levage.et 20
- there
figure 1 represents, according to a schematic view in three dimensions, the context of application of the invention; - there
figure 2 represents, according to a schematic view in three dimensions, a carrier vessel and a marine surface vehicle equipped with a recovery system in accordance with one embodiment of the invention; - there
picture 3 - there
figure 4 represents, according to a three-dimensional view, a marine surface craft of the semi-rigid hull boat type, equipped with a reception device implemented in one embodiment of the invention; - there
figure 5 represents, according to a schematic top view, a marine surface craft equipped with a reception device which can be implemented in one embodiment of the invention before recovery by the lifting device of thepicture 3 - there
figure 6 represents, according to a view analogous to that of thefigure 5 , the marine surface craft of thefigure 5 when approaching the lifting devicefigure 3 And5 ; - there
figure 7 represents, according to a schematic top view, a front module implemented in the reception device fitted to the marine vehicle represented infigures 5 and 6 ; - there
figure 8 represents, according to a schematic side view, a step for recovering the marine surface craft from thefigures 5 and 6 by a lifting devicefigure 3 ,5 and 6 ; - there
figure 9 represents a recovery step following the step offigure 8 ; - there
figure 10 represents a recovery step following the step offigure 9 ; - there
figure 11 represents a recovery step following the step offigure 10 ; - there
figure 12 represents a recovery step following the step offigure 11 ; - there
figure 13 represents, in a three-dimensional view similar to that of thepicture 2figure 12 ; - there
figure 14 represents, according to a schematic side view, an anchor implemented in one embodiment of the invention; - there
figure 15 represents according to a view analogous to that of thefigure 14 , a step in the cooperation between the anchor of thefigure 14 and a front module implemented in this embodiment of the invention; - there
figure 16 represents a step of the cooperation between the anchor and the front module following the step of thefigure 15 ; - there
figure 17 represents a step of the cooperation between the anchor and the front module following the step of thefigure 16 ; - there
figure 18 represents a step of the cooperation between the anchor and the front module following the step of thefigure 17 ; - there
figure 19 represents, according to a schematic view in three dimensions, an example of conformation of a handle and of a lifting support implemented in one embodiment of the invention; - there
figure 20 represents, according to a view analogous to that of thefigure 19 , the handle and the lifting support in an intermediate position; - there
figure 21 represents, according to a view analogous to that of thefigures 19 and 20 , the cooperation between the handle and the lifting bracket.
La
L'engin marin 4 ici représenté est un bateau à coque semi-rigide, pouvant faire partie de la drome du navire porteur 1.The
Pour mettre à l'eau l'engin marin 4 et le récupérer, le navire porteur comporte un bossoir 5, dont l'extrémité peut être positionnée en porte à faux de la coque 6 du navire porteur. Cela permet de lever ou de descendre l'engin marin 4 le long de la coque 6, grâce à un câble de levage 7 lié au bossoir 5. Le câble de levage peut en particulier être déroulé hors du navire porteur 1 pour descendre l'engin marin 4 ou enroulé dans le navire porteur 1 afin de lever l'engin marin 4, par exemple à l'aide d'un treuil à poulie.To launch the
Le câble de levage 7 est relié à cette fin à un point de levage de l'engin marin, qui est formé par un élément adapté à supporter le poids de l'engin marin et de ses occupants, le cas échéant, et qui est positionné en un point de levage 8 permettant de suspendre l'engin marin en équilibre, sensiblement à plat. Le point de levage est ainsi sensiblement dans l'axe vertical du barycentre de l'engin marin. Lors du levage de l'engin marin, un ou plusieurs faux-bras permettent de contrôler l'orientation de l'engin marin suspendu au bossoir.The lifting
Bien évidemment, le point de levage peut être formé sur un ensemble de sangles ou cordages liés en plusieurs points de l'engin marin, et l'invention qui est décrite ci-après est applicable à une telle configuration. Par simplicité, il est considéré que le point de levage est un point unique, faisant partie de l'engin marin 4.Obviously, the lifting point can be formed on a set of straps or ropes linked at several points of the watercraft, and the invention which is described below is applicable to such a configuration. For simplicity, the lifting point is considered to be a single point, forming part of the
De même, tant l'art antérieur qu'un système conforme à l'invention est illustré dans le présent document en référence à un système comportant un bossoir à bras unique, mais il est bien évident que l'invention peut s'appliquer à un système à bras multiple. Le dispositif illustré à la
En outre, l'invention est décrite ci-après sur le fondement d'un dispositif de levage comportant un bossoir à proprement parler. L'invention peut plus généralement mettre en oeuvre un moyen de levage « du type bossoir », c'est-à-dire un bossoir à proprement parler ou un dispositif de levage équivalent, en porte à faux de la coque d'un navire porteur, par exemple une grue de configuration analogue à celle d'un bossoir.Furthermore, the invention is described below on the basis of a lifting device comprising a davit proper. The invention can more generally implement a lifting means "of the davit type", that is to say a davit strictly speaking or an equivalent lifting device, cantilevered from the hull of a carrying vessel. , for example a crane of configuration similar to that of a davit.
La
Le système de la
La longueur du câble de guidage 10 permet à l'ancre 11 d'être immergée. En d'autres termes, lorsque l'ancre est suspendue librement par le câble de guidage 11, elle est située sous la ligne de flottaison du navire porteur 1. Avantageusement, l'ancre est suspendue largement sous la ligne de flottaison du navire porteur 1, de sorte à demeurer en permanence immergée malgré la houle. Par exemple, l'ancre peut être suspendue entre deux et quatre mètres sous la ligne de flottaison du navire porteur 1. La longueur du câble de guidage 10 peut être fixe ou adaptable. Un câble de guidage 10 de longueur adaptable, par exemple à l'aide d'un treuil embarqué dans le navire porteur 1, permet par exemple d'adapter la longueur dudit câble de guidage 10 au niveau de houle de la mer.The length of
L'ancre 11 peut consister en un élément massique, par exemple métallique. L'ancre 11 peut comporter des plans hydrodynamiques qui orientent l'ancre dans une position prédéfinie lorsque le navire porteur 1 avance.The
L'extrémité libre du câble de levage 7 est fixée, de manière amovible, à l'ancre 11. En outre, une portion extrême dudit câble de levage 7 est fixée de manière amovible au câble de guidage 10, de sorte que, de l'ancre 11 à un point donné du câble de guidage, situé entre l'ancre 11 et la perche 9, le câble de levage 7 suit le câble de guidage 10. Sur cette portion, le câble de levage 7 et le câble de guidage 10 ne forment ainsi qu'un seul ensemble allongé.The free end of the lifting
Le dispositif de levage comporte en outre un câble de tractage 12. Le câble de tractage 12, équivalent à un faux-bras employé dans les dispositifs connus, est lié au navire porteur 1 en un point de la coque 6 situé en avant du bossoir 5 et en avant de la perche 9.The lifting device further comprises a towing
Les notions d'avant et d'arrière s'entendent, dans l'ensemble du présent document, de manière commune, c'est-à-dire le long de l'axe reliant la proue d'un bateau et correspondant à l'« avant » à la poupe ou au tableau arrière du bateau et correspondant à l'« arrière ».The notions of fore and aft are understood, throughout this document, in a common way, that is to say along the axis connecting the bow of a boat and corresponding to the "front" at the stern or transom of the boat and corresponding to the "stern".
Le câble de tractage 12, par son orientation, permet, lorsqu'il est lié à un engin marin de surface qui doit être récupéré par le navire porteur 1 de tracter l'engin marin et de le maintenir longitudinalement en position par rapport au navire porteur 1.The towing
Le système de la
La
le bossoir 5, en l'occurrence équipé d'un treuil ;- le câble de levage 7 dont la longueur varier sous l'effet du treuil du bossoir 5, le câble de levage étant muni à son extrémité libre d'une interface de liaison14 ;
- la
perche 9 ; - le câble de guidage 10, lié à la perche 9, et dont la longueur est fixe ou variable,
l'ancre 11, fixée à l'extrémité du câble de guidage 10 ;- le câble de tractage 12, dont la longueur peut être modifiée selon les phases de récupération de l'engin
marin 4, comporte une extrémité libre fixée à l'ancre 11.
- the
davit 5, in this case equipped with a winch; - the lifting
cable 7 whose length varies under the effect of the winch of thedavit 5, the lifting cable being provided at its free end with aliaison interface 14; -
pole 9; - the
guide cable 10, linked to thepole 9, and whose length is fixed or variable, - the
anchor 11, fixed to the end of theguide cable 10; - the towing
cable 12, the length of which can be modified according to the recovery phases of themarine vehicle 4, has a free end fixed to theanchor 11.
Par longueur variable d'un câble il est entendu que la partie libre du câble est de longueur variable, typiquement la longueur du câble de levage 7 entre le bossoir 5 et son extrémité libre, la longueur du câble de guidage entre la perche 9 et l'ancre 11, la longueur du câble de traction 12 entre la coque 6 du navire porteur et l'ancre 11.By variable length of a cable it is understood that the free part of the cable is of variable length, typically the length of the lifting
Le dispositif de levage de la
Un flotteur ou une bouée 16 peut équiper le câble de guidage 10.A float or a
La
On décrit en référence aux figures suivantes une séquence de récupération de l'engin marin 4, correspondant typiquement à l'engin marin de la
La
Dans l'état représenté à la
Une fois l'engin marin 4 arrivé à proximité du dispositif de levage, comme illustré à la
Dans la position rétractée, également dite « passive », les barres 17 peuvent sensiblement épouser forme de la coque (rigide ou gonflable) de l'engin marin 4. Dans la position déployée, également dite « active », les barres 17 sont orientées sensiblement en V l'une par rapport à l'autre, de préférence symétriquement par rapport à un plan de symétrie longitudinale de l'engin marin (si l'engin marin est symétrique). Les barres 17 s'étendent en porte à faux à l'avant de l'engin marin 4 sensiblement horizontalement (parallèlement à la surface de l'eau), et forment un angle entre elles pour permettre la récupération et le guidage vers le module avant 13 de tout câble ou élément sensiblement vertical entrant entre elles.In the retracted position, also called "passive", the
Bien évidemment, d'autres configurations du module avant peuvent être employées selon diverses variantes de modes de réalisation de l'invention, afin de former un guide convergeant, notamment avec des barres fixes, ou mobiles dans d'autres plans que le plan horizontal. Les barres 17 peuvent être incurvées (par exemple pour épouser la forme de la coque avant de l'engin marin). Le moyen permettant la réception d'un câble ou cordage au niveau de la proue de l'engin marin peut avoir d'autres formes que deux barres, il peut être monobloc ou au contraire être formé de plusieurs éléments pouvant se déplier pour former un guide. Le mouvement des barres 17, ou de tout autre moyen permettant la réception d'un câble à l'avant de l'engin marin, peut être automatique (motorisé) ou manuel.Of course, other configurations of the front module can be used according to various variant embodiments of the invention, in order to form a converging guide, in particular with fixed bars, or movable bars in planes other than the horizontal plane. The
Dans l'exemple représenté, l'engin marin 4 est ensuite manoeuvré pour amener le câble de guidage 10 en regard des branches 17, dans l'angle qu'elles forment.In the example shown, the
La
Le câble de guidage 10 et le câble de levage 7 entrent alors dans une ouverture 19 formée dans le module avant 13. Une fois que la gâchette 18 échappe au câble de guidage 10 et au câble de levage 7, elle se referme de sorte à empêcher le câble de guidage 10 et le câble de levage 7 de sortir de l'ouverture 19. Le câble de guidage 10 et le câble de levage 7 peuvent néanmoins librement se translater verticalement dans l'ouverture 19. Cette position correspond à la position c illustrée à la
A ce stade, le câble de traction est lâche, et n'applique pas d'effort significatif sur l'engin marin 4.At this stage, the traction cable is loose, and does not apply any significant force on the
A l'étape illustrée à la
Le recul de l'engin marin peut être réalisé par un ralentissement, à une vitesse inférieure à celle du bateau porteur, par exemple.The recoil of the marine machine can be achieved by slowing down, at a speed lower than that of the carrying boat, for example.
Le système ici illustré comporte un câble de guidage de longueur fixe. En alternative ou en complément, le câble de guidage peut être de longueur variable, par exemple réglable à l'aide d'un treuil, pour provoquer la remontée du câble de guidage dans l'ouverture 19 du module avant 13.The system shown here has a fixed length guide wire. Alternatively or in addition, the guide cable can be of variable length, for example adjustable using a winch, to cause the guide cable to rise in the
A l'étape illustrée à la
La partie de l'ancre 11 à laquelle est liée l'interface de liaison 14 du câble de levage, qui a ici la forme d'un crochet, est introduite dans l'ouverture 19 du module avant 13. Cela positionne le crochet en regard d'une poignée 21, visible à la
Le treuil du bossoir 5 est actionné, ce qui réduit la longueur du câble de levage 7. Le raccourcissement du câble de levage 7 commence à provoquer sa séparation du câble de guidage 10, comme illustré à la
Les moyens de liaison 15 libèrent progressivement le câble de levage 7 jusqu'à ce qu'il soit complètement séparé du câble de guidage 10.The connecting means 15 gradually release the lifting
La poignée 21 est par ailleurs liée par un câble à un treuil situé à proximité du point de levage 8 de l'engin marin 4.The
La traction du câble de levage 7 sur la poignée 21 et/ou l'actionnement du treuil situé à proximité du point de levage 8 libère la poignée 21 du module avant 13. L'enroulement du câble liant la poignée au treuil situé à proximité du point de levage 8 amène ladite poignée 21 vers le point de levage 8. Cette étape est représentée à la
Dans cette situation, le câble de tractage 12 assure le maintien longitudinal de l'engin marin vis-à-vis du bateau porteur. Le câble de guidage 10 assure essentiellement son maintien latéral, au niveau de sa proue.In this situation, the towing
Lorsque la poignée arrive au point de levage 8, elle est fixée à un support de levage qui est ménagé en ce point, automatiquement (par exemple comme expliqué en référence aux
L'engin marin 4 peut alors être levé, hissé hors de l'eau par le câble de levage 7. Plus précisément, l'interface de liaison14 (par exemple sous la forme d'un crochet) du câble de levage est en prise avec la poignée 21 qui est fixée au support de levage. Cette étape est représentée à la
Les
La
A la
A la
A la
A la
Comme représenté à la
Le système ainsi développé dans l'invention permet la récupération d'un engin marin de surface depuis un bateau porteur. Elle peut être employée tant pour les engins marins pilotés que pour les engins marins non-habités, téléopérés ou autonomes. En outre, la récupération de l'engin marin peut être réalisée dans une mer agitée, typiquement jusqu'un état de mer de niveau 4 ou 5 selon l'échelle de Douglas. L'invention est fondée sur un moyen de levage du type bossoir classique, ce qui limite son coût, facilite sa mise en oeuvre, et permet l'adaptation de système à un bossoir préexistant.The system thus developed in the invention allows the recovery of a marine surface vehicle from a carrier boat. It can be used both for piloted marine devices and for unmanned, remotely operated or autonomous marine devices. Furthermore, the recovery of the marine vehicle can be carried out in rough seas, typically up to a sea state of
Claims (10)
- System for the recovery of a surface marine craft (4) by a carrier ship (1), said system comprising:a) a lifting device intended to equip the carrier ship (1) and which comprises:- a lifting means of the davit (5) type, equipped with a lifting cable (7) comprising at one end a connection interface (14),the lifting device also comprising :- a boat hook pole (9) intended to extend laterally outside a hull (6) of the carrier ship (1), above its waterline, a guide cable (10) being suspended from said boat hook pole (9),- an anchor (11) connected to a free end of said guide cable (10), said guide cable (10) being dimensioned so that, when the anchor (11) is suspended from the boat hook pole (9) by the guide cable (10), in the absence of other constraints, the anchor (11) is below the waterline of the carrier ship (1),
the connection interface (14) of the lifting cable (7) being detachably connected to the anchor (11), and- a towing cable (12), intended to be connected on the one hand to the carrier ship (1) forward of the boat hook pole (9), and connected on the other hand to the anchor (11),and the system further comprising :
b) a receiving device suitable for cooperating with the lifting device and intended to equip the marine craft (4), the receiving device comprising:- a forward module (13), intended to equip the prow of the marine craft (4), comprising an opening (19) configured to receive jointly the guide cable (10) and the lifting cable (7), and to allow said guide cable (10) and lifting cable (7) freedom in translation in said opening (19), and comprising a receiving housing suitable for receiving a part of the anchor (11) by which the anchor (11) fastens to said forward module (13) when said part is engaged in said housing, fastening of the anchor (11) to the forward module (13) leading to fastening of the connection interface (14) of the lifting cable (7) to a handle (21) detachably connected to the forward module (13), and- a lifting support, intended to be fastened rigidly at at least one lifting point (8) of the marine craft (4), said lifting support being shaped to receive and immobilize the handle (21). - System according to claim 1, in which the lifting cable (7) comprises an end portion fastened detachably to the guide cable (10) so as to facilitate jointly receiving said guide cable (10) and lifting cable (7) in the opening (19) of the forward module (13).
- System according to claim 1 or claim 2, also comprising a winch on which the towing cable (12) is wound so as to vary the length of the towing cable (12) outside the hull (6) of the carrier ship (1).
- System according to one of the preceding claims, in which the anchor (11) comprises an arm (20) by way of part by which it is fastened to the forward module (13), said arm (20) being substantially oriented towards the surface of the water when the anchor (11) is suspended by the guide cable (10), in the absence of other constraints, and submerged.
- System according to one of the preceding claims, in which the receiving device also comprises two guide bars (17) articulated on the forward module (13), said bars (17) being able to pivot from a folded position to a deployed position in which they form a guide, converging towards said forward module (13).
- System according to one of the preceding claims, in which the handle (21) and the lifting support have corresponding shapes, such that the handle (21) is immobilized with respect to the lifting support when the lifting cable (7), which was fastened to the handle (21) via its connection interface (14), is tensioned.
- System according to one of the preceding claims, comprising a tension roller close to the lifting support, the tension roller comprising a handling cable connected to the handle (21), take-up of the handling cable making it possible to bring the handle (21) from the forward module (13) to the lifting support.
- Ensemble comprising a carrier ship (1) and a surface marine craft (4) comprising a system according to one of the preceding claims, the lifting device equipping the carrier ship (1) and the receiving device equipping the marine craft (4).
- Ensemble according to claim 8, in which the marine craft (4) is a small craft of the semi-rigid hull type.
- Method for the recovery of a marine craft (4) equipped with a device for receiving by a carrier ship equipped with a lifting device, said receiving device and lifting device forming a recovery system according to one of claims 1 to 7, said method comprising the steps of:- launching the anchor (11) connected to the guide cable (10) and to the traction cable, the connection interface (14) of the lifting cable (7) being connected to said anchor (11);- receiving in the opening (19) of the receiving device, the guide cable (10) and the lifting cable (7);- bringing the anchor (11) against the forward module (13) and engaging in the housing of the forward module (13) the part of the anchor (11) intended to be received therein, leading to the fastening of the anchor (11) to the forward module (13) and the fastening of the connecting interface (14) of the lifting cable (7) to the handle (21);- separating the handle (21) with respect to the anchor (11), the marine craft (4) remaining guided by the guide cable (10) and towed by the towing cable (12),- fastening the handle (21) to the lifting support,- lifting the marine craft (4) by the lifting cable (7),- placing the marine craft (4) on a deck of the carrier ship (1) using the lifting means of the davit type (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1904125A FR3095186B1 (en) | 2019-04-17 | 2019-04-17 | System for recovering a surface marine vehicle from a carrier vessel |
PCT/EP2020/060257 WO2020212269A1 (en) | 2019-04-17 | 2020-04-09 | System for recovering a surface marine craft from a carrier ship |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3956211A1 EP3956211A1 (en) | 2022-02-23 |
EP3956211B1 true EP3956211B1 (en) | 2023-08-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20716515.0A Active EP3956211B1 (en) | 2019-04-17 | 2020-04-09 | System for recovering a surface marine craft from a carrier ship |
Country Status (6)
Country | Link |
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US (1) | US11772751B2 (en) |
EP (1) | EP3956211B1 (en) |
AU (1) | AU2020259058A1 (en) |
CA (1) | CA3132142A1 (en) |
FR (1) | FR3095186B1 (en) |
WO (1) | WO2020212269A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20220126952A1 (en) * | 2020-10-23 | 2022-04-28 | Calzoni S.R.L. | Guided lifting system |
FR3131903A1 (en) * | 2022-01-14 | 2023-07-21 | Naval Group | Vessel comprising means for deploying a floating dock |
FR3131901A1 (en) * | 2022-01-14 | 2023-07-21 | Naval Group | Vessel comprising means for deploying a floating dock for operating a boat |
FR3131900A1 (en) * | 2022-01-14 | 2023-07-21 | Naval Group | Vessel comprising means of traction of a floating dock |
Family Cites Families (18)
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FR2567842A1 (en) * | 1984-07-17 | 1986-01-24 | Normandie Const Meca | DEVICE FOR EMBARKING VESSELS ON BOARD VESSELS |
NO162184C (en) * | 1987-03-18 | 1989-11-22 | Ships A S Excelsior | DEVELOPMENT AND RECOVERY OF LIVBAAT, PICK-UP BAAT ETC. |
CA2076151C (en) * | 1992-08-14 | 1997-11-11 | John Brooke | System for handling a remotely operated vessel |
FI101871B1 (en) * | 1996-02-07 | 1998-09-15 | Sune Axelsson | Procedure and arrangement for launching and boarding of floating fabric, respectively |
SE506365C2 (en) * | 1996-04-22 | 1997-12-08 | Jan Groenstrand | Device for launching and receiving of boats |
FI109463B (en) * | 2000-04-05 | 2002-08-15 | Asce Ab Ltd | Floating arrangement and associated methods |
WO2005030571A2 (en) * | 2003-07-03 | 2005-04-07 | Advanced Maritime Support Technology, Inc. | Marine payload handling craft and system |
US7156036B2 (en) * | 2005-05-13 | 2007-01-02 | Seiple Ronald L | Launch and recovery system |
US7581507B2 (en) * | 2007-02-26 | 2009-09-01 | Physical Sciences, Inc. | Launch and recovery devices for water vehicles and methods of use |
US8578872B1 (en) * | 2010-04-05 | 2013-11-12 | Offshore Marine Rescue Corporation | Life vessel retrieval system |
GB201009253D0 (en) * | 2010-06-03 | 2010-07-21 | Northern Hydraulic Cylinder Eng Ltd | Apparatus for controlling a load |
NO335659B1 (en) * | 2010-10-27 | 2015-01-19 | Henriksen As H | Boat launch and recording |
CN103183113B (en) * | 2011-12-28 | 2015-06-10 | 中国科学院沈阳自动化研究所 | Underwater robot recovery system and recovery method thereof |
CN104015886B (en) * | 2014-06-13 | 2018-10-16 | 天津汉海环保设备有限公司 | A kind of water surface unmanned vehicles drop puts recovery system |
GB2532602B (en) * | 2014-10-27 | 2017-01-18 | Bmt Defence Services Ltd | A system for launch and/or recovery of a vessel |
IL242226B2 (en) * | 2015-10-22 | 2023-03-01 | Peleg Amitai | System and method for launch and recovery of a marine vessel |
WO2018231273A1 (en) * | 2017-06-12 | 2018-12-20 | Seatrepid International, Llc | Multiple autonomous underwater vehicle system |
DE102017216112A1 (en) * | 2017-09-12 | 2019-03-14 | Thyssenkrupp Ag | Dropping system and dropping method with retractable luffing jib |
-
2019
- 2019-04-17 FR FR1904125A patent/FR3095186B1/en active Active
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2020
- 2020-04-09 EP EP20716515.0A patent/EP3956211B1/en active Active
- 2020-04-09 US US17/604,303 patent/US11772751B2/en active Active
- 2020-04-09 AU AU2020259058A patent/AU2020259058A1/en active Pending
- 2020-04-09 CA CA3132142A patent/CA3132142A1/en active Pending
- 2020-04-09 WO PCT/EP2020/060257 patent/WO2020212269A1/en unknown
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CA3132142A1 (en) | 2020-10-22 |
WO2020212269A1 (en) | 2020-10-22 |
FR3095186B1 (en) | 2021-05-07 |
EP3956211A1 (en) | 2022-02-23 |
FR3095186A1 (en) | 2020-10-23 |
US20220212760A1 (en) | 2022-07-07 |
AU2020259058A1 (en) | 2021-11-25 |
US11772751B2 (en) | 2023-10-03 |
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