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WO2015143491A1 - Appareil de récupération et procédé de capture d'un objet en mer - Google Patents

Appareil de récupération et procédé de capture d'un objet en mer Download PDF

Info

Publication number
WO2015143491A1
WO2015143491A1 PCT/AU2015/000180 AU2015000180W WO2015143491A1 WO 2015143491 A1 WO2015143491 A1 WO 2015143491A1 AU 2015000180 W AU2015000180 W AU 2015000180W WO 2015143491 A1 WO2015143491 A1 WO 2015143491A1
Authority
WO
WIPO (PCT)
Prior art keywords
arms
retrieval unit
intermediate member
sea
unit
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.)
Ceased
Application number
PCT/AU2015/000180
Other languages
English (en)
Inventor
John Mackay Hadcroft
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trelleborg Marine Systems Melbourne Pty Ltd
Original Assignee
Trelleborg Marine Systems Melbourne Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Trelleborg Marine Systems Melbourne Pty Ltd filed Critical Trelleborg Marine Systems Melbourne Pty Ltd
Publication of WO2015143491A1 publication Critical patent/WO2015143491A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B63C3/02—Launching or hauling-out by landborne slipways; Slipways by longitudinal movement of vessel
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/40—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels

Definitions

  • the retrieval unit includes a towing arrangement to allow the unit to be towed.
  • the buoyant arms may be connected to the tow frame through joints and may further comprise fasteners to aid in fastening the object to the retrieval unit.
  • Figure 5 is a perspective view of the retrieval unit according to an embodiment of the invention.
  • FIG 1 to figure 4 shows the retrieval method sequence of a small boat12 into the hanger deck 13 of a large vessel 14 through use of a floating retrieval unit 10 that is deployed to capture and retrieve objects at sea.
  • the retrieval unit 10 has two buoyant arms 20, 21 , such as pontoons, that are connected by an intermediate member. The two arms are connected towards an end of each arm so that the arms are capable of moving toward and away from each other through the flexible arrestor 24. Upon approach with the boat 12 the arms are actuable to move toward each other to capture the boat at sea when the boat is located between the two arms and in proximity of the intermediate member 24.
  • the intermediate member is in the form of a flexibly resilient elongate arrestor 24 that bridges the arms 20, 21 together.
  • the small boat moves forward towards the centre of the retrieval unit 10 and impacts the arrestor 24 disposed between the buoyant arms.
  • the impact on the arrestor causes the arrestor to deflect and bend in a middle section 25 so that opposing ends 26 of the arrestor are moved toward each other.
  • the buoyant arms 20, 21 are attached to the ends 26 of the arrestor 24, the arms too, at the point where they connect to the arrestor, will be forced to move closer and pivot from a divergent configuration toward a parallel configuration thereby closing in on the small boat as it moves forward between the arms.
  • the crew will then latch the arms 20, 21 at a rear of the unit onto each side of the small boat as illustrated in Figure 3.
  • the retrieval unit 10 is shown in greater detail in Figures 5 to 7.
  • the retrieval unit has a frame 17 with a wheel assembly 18.
  • the frame 17 supports the two buoyant arms 20, 21 , which are depicted as floatation modules.
  • the two buoyant arms are connected by the intermediate member, i.e. arrestor 24 towards an end of the buoyant arms so that the arms are movable toward and away from each other in a scissor-like action from a closed condition to an open condition.
  • the arms can also easily be dissembled from the frame and deflated for storage.
  • Frame 17 is an "A" frame positioned at a front of the unit 10 (an object to be captured enters between the arms at a rear of the unit).
  • the arms 20, 21 are mounted onto the frame to be pivotable thereto at joints 30, which could comprise a ball joint, chain link, pivot hinge or the like.
  • a locking mechanism 32 is provided at the joint 30 to allow the arms to move towards each other while locking the arms against movement caused by the outward bias of the arrestor, particularly movement away from each other.
  • the locking mechanism is schematically shown in the figures as 32, and can be a ratchet mechanism, such as an electric solenoid activated ratchet that is released to allow the arms to move apart or to move together under the force of the biasing arrestor and/or propulsion means
  • the ratchet mechanism may act between each arm and the frame 17, namely at the joint 30.
  • the ratchet mechanism could act between each arm and the arrestor 24.
  • the aim of the ratchet mechanism is to ensure the arms close around the object/boat as the arrestor actuates their inward movement, and continue to close without unintentionally spreading.
  • the buoyant arms 20, 21 and/or the frame 17 can house propulsion /rudder units 38, batteries and radio control to assist with positioning the retrieval unit for connection to a small boat.
  • a propeller 38 is shown in the drawings for self-propelling the unit to control movement and direction of the unit toward the object to be retrieved, and to assist in moving the arms toward each other to capture the boat.
  • the propeller may be controlled remotely, and namely from the large vessel.
  • the frame 17 has wheels 18 or rollers mounted on an underneath of the frame to support the frame out of the water when moving the unit up or down the ramp and hanger deck 13 on the large vessel.
  • the wheel assembly 18 could also be mounted directly on the buoyant arms 20, 21 , or a separate trailer could be used to support the retrieval unit as it is moved into and out of the large vessel.
  • the advantage of having wheels and or rollers on the frame or buoyant arms is that a guidance rail/ fender setup is not required on the vessel for positioning the boat as it is moved on board.
  • the towline 16 increases the control of positioning the closer the small boat is pulled towards its storage position and overcomes problems of swinging with known arrangements. Furthermore, the A-frame at the front of the unit provides stability and control as the unit is towed to the hanger deck.
  • Figures 6 and 7 show different views of a retrieval unit with the small boat captured by the retrieval unit.
  • Figures 8 and 9 illustrate the method of retrieving a small boat using the retrieval unit of figures 5 to 7. Specifically, small boat 12 and the retrieval unit 10 move toward each other. Where visibility is poor, beacon 36 on the mast 35 of unit 10 will guide operators on the small boat toward the unit 10.
  • the retrieval unit 10 will move out and astern as the winch pays out the line to the proposed limit for catching the boat. If the vessel is not under way, battery operated drive units, namely propellers 38 on the retrieval unit will reverse the retrieval unit astern. These propellers 38 would be controlled by the operator with a radio control module which could also control the winch. At the limit of the line, the operator by radio control releases locking pins 32 on each side of the retrieval unit towing frame which allows the buoyant arms, which are still locked parallel in the stowed condition, to release and pivot outwards.
  • Figure 8 shows the retrieval unit fully extended ready to catch the boat.
  • the buoyant arms 20,21 are released from their parallel position and allowed to spread apart though limited by the arrestor and the ball joints 30 on the frame 17, as shown in figure 8.
  • the intermediate arrestor 24 extends to a maximum limit when the two arms 20, 21 are released.
  • the method includes driving the small boat 12 toward and into contact with the arrestor and/or guiding the retrieval unit toward the boat.
  • the buoyant arms 20,21 and the intermediate member 24 are designed in such a way as to capture the bow of the boat and allow dissipation of forward movement and override. The boat can then be moved to a desired destination.
  • Locking mechanisms 32 lock the arms against movement of the arm away from each other through a ratchet motion to progressively lock the arms as they move closer together.
  • the locking mechanism 32 could also lock arm movement toward each other using a lower force than for locking outward movement such that the actuating means needs to overcome the inward locking force to move the ratchet to the next position.
  • Figure 9 shows the buoyant arms 20, 21 in contact with and embracing the vessel after they have been urged towards each other ready to be towed towards the destination.
  • a winch operator on the vessel winches the retrieval unit towards the stern ramp of the vessel.
  • the amount of sideways movement of the retrieval unit reduces.
  • the advantages of the boat retrieval method and the retrieval unit described herein is that small boats can be captured well clear of the larger vessel thereby removing the danger of collision.
  • the small boat operator does not need to control the boat up to alongside or on to the larger vessel and simply aims it towards the centre of the retrieval unit and moves forward into it.
  • This method significantly reduces the time involved in a retrieval process and allows safe boat retrieval in Sea State conditions (4 and over) that previously would have made boat retrieval difficult and dangerous.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

En résumé, la présente invention concerne une unité de récupération et un procédé de capture d'un objet en mer. L'unité de récupération pour capture comprend deux bras flottants reliés par un élément intermédiaire vers une extrémité des bras de sorte que les bras soient mobiles l'un vers l'autre et inversement. Les bras peuvent être actionnés pour se déplacer vers l'autre pour capturer un objet en mer lorsque l'objet est situé entre les deux bras.
PCT/AU2015/000180 2014-03-25 2015-03-25 Appareil de récupération et procédé de capture d'un objet en mer Ceased WO2015143491A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ62291614 2014-03-25
NZ622916 2014-03-25

Publications (1)

Publication Number Publication Date
WO2015143491A1 true WO2015143491A1 (fr) 2015-10-01

Family

ID=54193773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2015/000180 Ceased WO2015143491A1 (fr) 2014-03-25 2015-03-25 Appareil de récupération et procédé de capture d'un objet en mer

Country Status (1)

Country Link
WO (1) WO2015143491A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106043603A (zh) * 2016-07-28 2016-10-26 林福兴 收艇架
CN106218818A (zh) * 2016-07-28 2016-12-14 林福兴 自动收艇方法
US20210197933A1 (en) * 2018-05-29 2021-07-01 Ronald Johannes KRAFT System for launch and recovery of a surface vehicle
CN113501109A (zh) * 2021-07-30 2021-10-15 杭州电子科技大学 主动导引式无人船的船坞及回坞方法
CN113734951A (zh) * 2021-09-06 2021-12-03 北京南风科创应用技术有限公司 一种海上目标的布放回收机器人及其回收方法
US20230340744A1 (en) * 2022-04-21 2023-10-26 Ludlum Measurements, Inc. Systems and methods to reversibly span a surface of a waterway
US11834803B2 (en) 2022-01-13 2023-12-05 Richard Gregory Farrell Boat docking assist assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834174A1 (de) * 1988-10-07 1990-04-12 Adolf Janssen Vorrichtung fuer ein schiff zum anbordnehmen und ausbringen von schwimm- oder tauchobjekten, insbesondere von booten
US6840188B1 (en) * 2003-06-25 2005-01-11 Columbia Research Corporation Towed transport, launch and recovery raft
US20060191457A1 (en) * 2003-07-03 2006-08-31 Murphy Robert J Marine payload handling craft and system
US20090257826A1 (en) * 2006-08-30 2009-10-15 Global Davit Gmbh Device for a watercraft for picking up and launching boats
WO2013017414A1 (fr) * 2011-08-01 2013-02-07 Atlas Elektronik Gmbh Système et procédé de récupération d'un engin submersible

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834174A1 (de) * 1988-10-07 1990-04-12 Adolf Janssen Vorrichtung fuer ein schiff zum anbordnehmen und ausbringen von schwimm- oder tauchobjekten, insbesondere von booten
US6840188B1 (en) * 2003-06-25 2005-01-11 Columbia Research Corporation Towed transport, launch and recovery raft
US20060191457A1 (en) * 2003-07-03 2006-08-31 Murphy Robert J Marine payload handling craft and system
US20090257826A1 (en) * 2006-08-30 2009-10-15 Global Davit Gmbh Device for a watercraft for picking up and launching boats
WO2013017414A1 (fr) * 2011-08-01 2013-02-07 Atlas Elektronik Gmbh Système et procédé de récupération d'un engin submersible

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106043603A (zh) * 2016-07-28 2016-10-26 林福兴 收艇架
CN106218818A (zh) * 2016-07-28 2016-12-14 林福兴 自动收艇方法
US20210197933A1 (en) * 2018-05-29 2021-07-01 Ronald Johannes KRAFT System for launch and recovery of a surface vehicle
US11945553B2 (en) * 2018-05-29 2024-04-02 Ronald Johannes KRAFT System for launch and recovery of a surface vehicle
CN113501109A (zh) * 2021-07-30 2021-10-15 杭州电子科技大学 主动导引式无人船的船坞及回坞方法
CN113734951A (zh) * 2021-09-06 2021-12-03 北京南风科创应用技术有限公司 一种海上目标的布放回收机器人及其回收方法
US11834803B2 (en) 2022-01-13 2023-12-05 Richard Gregory Farrell Boat docking assist assembly
US20230340744A1 (en) * 2022-04-21 2023-10-26 Ludlum Measurements, Inc. Systems and methods to reversibly span a surface of a waterway

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