WO2015159132A1 - Système de plongée - Google Patents

Système de plongée Download PDF

Info

Publication number
WO2015159132A1
WO2015159132A1 PCT/IB2014/060839 IB2014060839W WO2015159132A1 WO 2015159132 A1 WO2015159132 A1 WO 2015159132A1 IB 2014060839 W IB2014060839 W IB 2014060839W WO 2015159132 A1 WO2015159132 A1 WO 2015159132A1
Authority
WO
WIPO (PCT)
Prior art keywords
diving
remotely operated
moon pool
handling assembly
watercraft
Prior art date
Application number
PCT/IB2014/060839
Other languages
English (en)
Inventor
Sergio CAPPELLETTI
Marco BELLOMO
Original Assignee
Cappelletti Sergio
Bellomo Marco
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 Cappelletti Sergio, Bellomo Marco filed Critical Cappelletti Sergio
Priority to PCT/IB2014/060839 priority Critical patent/WO2015159132A1/fr
Publication of WO2015159132A1 publication Critical patent/WO2015159132A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
    • 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
    • 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
    • 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
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/34—Diving chambers with mechanical link, e.g. cable, to a base
    • 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
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/34—Diving chambers with mechanical link, e.g. cable, to a base
    • B63C11/36—Diving chambers with mechanical link, e.g. cable, to a base of closed type
    • B63C11/42—Diving chambers with mechanical link, e.g. cable, to a base of closed type with independent propulsion or direction control
    • 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
    • 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
    • B63B2035/405—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels for carrying submarines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
    • B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
    • B63G2008/005—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned remotely controlled
    • B63G2008/007—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned remotely controlled by means of a physical link to a base, e.g. wire, cable or umbilical

Definitions

  • the present invention relates to a diving system.
  • the diving systems usually comprise a watercraft, which has a moon pool and a handling system that serves for the descent of a diving bell to the sea through the moon pool.
  • diving systems consist of a watercraft and handling system for immersion of remotely operated diving device (Remotely Operated Vehicle - ROV) directly to the sea, i.e. outside the watercraft.
  • remotely operated diving device Remote Operated Vehicle - ROV
  • remotely operated diving devices in this type of systems can be extremely difficult, especially in strong wave motion conditions; the remotely operated diving devices are substantially lowered into the open sea.
  • Object of this invention is to supply a diving system, which allows to overcome, at least partially, the disadvantages of the common systems and at the same time to be simple and economical to realize.
  • a diving system is provided as recited in the following independent claims and, preferably, in any of the claims, directly or indirectly dependent on the independent claims.
  • Figure 1 is a plan view, with certain portions removed for enhanced clarity, of a system in accordance with the present invention in the first operational conformation;
  • FIG. 2 is a plan view, with certain portions removed for enhanced clarity, of the system of Figure 1 in the second operational conformation;
  • Figure 3 is a side view, with certain portions removed for enhanced clarity, of the system of Figure 1 in the first operational conformation;
  • Figure 4 is a side view, with certain portions removed for enhanced clarity, of the system of Figure 1 in the second operational conformation;
  • Figures 5 and 6 are top views of a part of the system of Figure 1 in two alternative conformations.
  • Figures 7 and 8 are side views of a part of the system of Figure 1 on an enlarged scale in two consecutive conformations .
  • Number 1 in Figures 1 and 3 indicates as a whole a diving, having a watercraft 2 which has a moon pool 3 for immersions in the water (in particular, to the sea) ; a submersible chamber 4 (diving bell) ; and a handling assembly 5 adapted to descend the submersible chamber 4 to the water (the sea) by means- of moon pool 3.
  • submersible chamber 4 has an internal compartment that can be isolated from the exterior and can accommodate the operators .
  • moon pool 3 open at the bottom is located in the watercraft 2 interior.
  • moon pool 3 is delimited along its perimeter by perimeter walls 3a.
  • the diving system 1 comprises also a remotely operated diving device 6 and a handling assembly 7 for immersing the remotely operated diving device 6 into the water W (the sea) both from the exterior (in particular laterally) of the watercraft 2 and through moon pool 3. More specifically, the handling assembly 7 immerses the remotely operated diving device 6 into the water W (the sea) beyond the lateral edge LB of the watercraft 2.
  • the diving system 1 is very flexible because of the possibility to use simultaneously the submersible chamber 4 and the remotely operated diving device 6 in different sea state conditions.
  • the remotely operated diving device 6 can be lowered by means of moon pool 3 (possibly together with the submersible chamber 4) ; if the wave motion is restrained, the remotely operated diving device 6 can be lowered from the exterior of the watercraft 2 (in this way the available space is greater and the risk of interference between the submersible chamber 4 and the remotely operated diving device 6 is lower) .
  • the moon pool 3 has a surface of at least 25 m 2 (more specifically, up to 35 m 2 ) , in particular circa 28 m 2 .
  • moon pool 3 has the width of at least 6 m (more specifically, up to 11 m) , in particular circa 7 m, and length of at least 3 m (more specifically, up to 5) , in particular circa 4 m.
  • the usage of the submersible chamber 4 and remotely operated diving device 6 from the same moon pool 3 is particularly advantageous (compared to the use of two different moon pools) for the watercraft 2 structure.
  • the remotely operated diving device 6 comprises (more specifically, is) a remotely operated vehicle (ROV) .
  • the remotely operated diving device 6 is equipped with a handling unit which allows the vertical and/or horizontal movement in water of the remotely operated diving device 6 and (for this purpose) has a plurality of propellers 8 (as shown in Figures 5 and 6) .
  • the remotely operated diving device 6 comprises also one or more robotic arms 9 to perform the underwater operations.
  • the remotely operated diving device 6 is controlled by operators from the watercraft 2.
  • the handling assembly 7 is adapted to move the remotely operated diving device 6 along the path PI between a (diving) position A in the area of (more precisely, above) the moon pool 3 and a (diving) position B at the watercraft 2 exterior.
  • the handling assembly 7 is adapted to move the remotely operated diving device 6 from position A to position B (along the path PI) in a given direction V.
  • the handling assembly 7 is adapted to translate the remotely operated diving device 6 from the position B to the position A (along the path PI) .
  • the handling assembly 7 comprises one mobile support 10 (more specifically, a trolley) along the path PI.
  • the handling assembly 7 comprises a guide (track) 11, extending (along the path PI) from position A to position B and along which the support 10 can move.
  • the guide 11 comprises two rails 12, that are substantially parallel. During the use, the wheels of support 10 scroll on these rails.
  • system 1 is illustrated without some portions, including the mobile support 10, for enhanced clarity.
  • system 1 is illustrated without some portions, including the remotely operated diving device 6, for enhanced clarity.
  • FIG 1 the remotely operated diving device 6 is illustrated in position A.
  • the support 10 is positioned so as to allow the remotely operated diving device 6 to reach the position B.
  • the remotely operated diving device 6 is placed in position B.
  • the handling assembly 7 includes also an actuator device (of a known but not shown type) to translate the support 10 along the guide 11.
  • the actuator device comprises a fluid-operated actuator (for example one or more hydraulic pistons) .
  • the mobile support 10 has a main structure 13 and a part 14 extendable with respect to the main structure 13.
  • the part 14 can be extended in the direction towards V.
  • the part 14 is acted to retract in the direction opposite to the direction towards V.
  • the mobile support 10 comprises two telescopic arms 15 (longitudinally extendable in the direction towards V from the conformation illustrated in Figure 7 to the conformation illustrated in Figure 8) and one beam 16, that is transversal (substantially perpendicular) to the arms 15 and which the remotely operated diving device 6 is connected to.
  • the beam 16 is integrally connected to the arms 15.
  • the movement of extension and retraction of the arms 15 is performed by means of a fluid- operated actuator 15' .
  • the extendable part 14 allows the remotely operated diving device 6 to move off the watercraft 2 in a particularly efficient and safe way when the remotely operated diving device 6 needs to be immerged at the watercraft 2 exterior.
  • the system 1 comprises a stabilization unit 17 (partially illustrated in Figures 3, 4, 7 and 8) to compensate possible undulations (in all the directions) of the remotely operated diving device 6 compared to the watercraft 2.
  • the stabilization unit 17 is mounted on the beam 16 and is, therefore, positioned between the remotely operated diving device 6 and the mobile support 10.
  • the stabilization unit 17 comprises a ball joint and four hydraulic shock absorbers 18 (only two of them illustrated in Figures 3 and 4) .
  • the remotely operated diving device 6 is illustrated in a raised position (above the moon pool 3 level)
  • the remotely operated diving device. 6 is illustrated in partially lowered position (in the moon pool 3 interior)
  • one intermediate station 19 (Tether Management System - TMS) is provided to be lowered together with the remotely operated diving device 6 into the sea.
  • the remotely operated diving device 6 is disconnected from the intermediate station 19.
  • the intermediate station 19 is typically positioned between the remotely operated diving device 6 and the stabilization unit 17.
  • the handling assembly 7 also comprises one actuator device 20 to vertically translate the remotely operated diving device 6 and one connecting cable 21 to transmit the movement from actuator device 20 to remotely operated diving device 6.
  • the cable 21 is so called “umbilical cable” and, in addition to the mechanical functions stated above, allows also the electricity and data signals transfer between remotely operated diving device 6 and watercraft 2.
  • the cable 21 extends from actuator device 20 to remotely operated diving device 6 passing (partially) around loose pulley (idler) 21' (that is mounted to the stabilization unit 17) , by means of the stabilization unit 17 and the intermediate station 19.
  • cable 21 has one extremity firmly fastened to the remotely operated diving device 6 (more specifically, it is fastened to the upper part of the remotely operated diving device 6) .
  • the actuator device 20 comprises a pulley (winch) 22 and a motor (of a known but not shown type) which enables the pulley 22 rotation around its axis 23.
  • the mentioned motor is of a hydraulic type .
  • the system 1 comprises rails 24 to maintain the right positioning of the remotely operated diving device 6 when the remotely operated diving device 6 is being lowered through moon pool 3.
  • the rails 24 are vertically extended in the moon pool 3 interior (and are adapted to mate with the vertical edges of the remotely operated diving device 6) .
  • the rails 24 are positioned so as to allow the remotely operated diving device 6 to descend to the water in two alternative orientations .
  • the handling assembly 5 is adapted to move the submersible chamber 4 along the path P2 between the (diving) position C in the area of (more specifically, above) the moon pool 3 and a rest position D at the watercraft 2 interior.
  • the handling assembly 5 comprises one support 25 (more specifically, a trolley) mobile along the path P2.
  • the handling assembly 5 comprises one rail 26 extending (along the path P2) (at least) from position C to position D and along which the support 25 is mobile.
  • the track 26 comprises two rails 27, that are substantially parallel. In actual use, wheels of the support 25 scroll on these rails.
  • the support 25 is arranged so as the submersible chamber 4 reaches position C.
  • the support 25 is arranged so as that the submersible chamber 4 reaches position D.
  • a station S for the entry to the submersible chamber 4 (typically, from hyperbaric chambers positioned below) is positioned in the area of position D.
  • the handling assembly 5 includes also an actuator device (of a known but not shown type) to move the support 25 along the track 26.
  • the actuator device comprises a fluid-operated actuator.
  • the diving system 1 comprises one compensation system 28 (of a known and in Figures 3 and 4 partially illustrated type) to compensate possible undulations (in particular, vertical) of the submersible chamber 4 (when lowering to the water) compared to the watercraft 2.
  • the compensation system 28 is mounted above the moon pool 3.
  • the compensation system 28 comprises a plurality (in particular, eight) of loose pulleys 29 (two of them illustrated in Figures 3 and 4) and a plurality of hydraulic shock absorbers 30 (one of them illustrated in Figures 3 and 4) .
  • the handling assembly 5 comprises, moreover, an actuator device 31 to vertically move the submersible chamber 4 and a wire 32 to transmit the movement from the actuator device 31 to the submersible chamber 4.
  • the wire 32 extends from the actuator device 31 to the submersible chamber 4 passing through the compensation system 28.
  • cable 32 is firmly fastened to the submersible chamber 4 (more precisely, it is fastened to the upper part of the submersible chamber 4) .
  • the actuator device 31 comprises a pulley (winch) 33 and a motor (of a known but not shown type) adapted to allow the pulley 33 rotation around its axis 34.
  • the mentioned motor is of a hydraulic type.
  • the handling assembly 5 comprises also an anchor weight 35, which is lowered into the water W, an actuator device 36 to vertically move the anchor weight 35 and a wire 37 able to transmit the movement of actuator device 36 to the anchor weight 35.
  • the wire 37 extends from the actuator device 36, across the anchor weight 35 (so as to define a substantially U-shaped form) , through the compensation system 28 (upstream and downstream of the anchor weight) , to a locking unit (of a known but not shown type) , which is positioned above the moon pool 3 level (in particular, in correspondence with the compensation system 28) blocking one extremity of the cable 37.
  • the submersible chamber 4 ascents separately from the anchor weight 35.
  • the actuator device 36 comprises a pulley (winch) 38 and a motor (of a known but not shown type) to allow the pulley 38 rotation around its axis 39.
  • the mentioned motor is of a hydraulic type.
  • the diving system 1 comprises also an additional cable (umbilical cable) 40 that allows the transfer of gas, water, electricity and data signals between submersible chamber 4 and the watercraft 2.
  • additional cable umbilical cable
  • the cable 40 extends from the pulley (winch) 41 to the upper extremity of the submersible chamber 4, partially passing around loose pulley 42 and along a guide 43 (curved and integral to the upper extremity of the submersible chamber 4) .
  • a motor (of a known type but not shown) is adapted to allow the pulley 41 rotation around its axis 44.
  • the mentioned motor is of a hydraulic type.
  • tubular elements 45 around the submersible chamber 4 are provided to protect the submersible chamber 4 and facilitate the guide (cooperating with fixed elements 46) of the submersible chamber 4 when the bell is being moved vertically through moon pool 3.
  • the path PI and the path P2 extend in their respective directions that are transversal (more specifically, substantially perpendicular) . In this way, it is possible to reduce the obstacles and risks of interference between the movements of the submersible chamber 4 and the remotely operated diving device 6.
  • the track 26 and the guide 11 are positioned at different heights. In this way, it is possible to reduce (further) the obstacles and risks of interference between the movements of the submersible chamber 4 and the remotely operated diving device 6.
  • the guide 11 is mounted to the ceiling CL (which also the compensation system 28 is mounted to), whereas the track 26 leans on the deck DK (which also the pulleys 33 and 38 lean on) .
  • each pulley 22, 33, 38 and 41 is associated to two motors (one used as back-up in case of failure of the other) .
  • the pulleys 33, 38 and 41 are staggered. In this way the risks of interference between the related cables 32, 37 and 40 are reduced.
  • the cables 21 and 32 extend in a transversal direction (in particular, substantially perpendicular) .

Abstract

La présente invention concerne un système de plongée (1) comprenant une embarcation (2), un puits central (3) pour immersion dans la mer, un ensemble de manipulation (5) pour descendre la chambre submersible (4) dans la mer au moyen d'un puits central interne (3) et un deuxième ensemble de manipulation (7) pour immerger le dispositif de plongée actionné à distance (6) dans la mer à l'extérieur de l'embarcation (2) et au moyen du puits central (3) ; les ensembles de manipulation (5, 7) permettent la translation de la chambre submersible (4) et du dispositif de plongée actionné à distance (6) le long de trajets horizontaux respectifs (P2, P1) qui sont sensiblement perpendiculaires.
PCT/IB2014/060839 2014-04-18 2014-04-18 Système de plongée WO2015159132A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2014/060839 WO2015159132A1 (fr) 2014-04-18 2014-04-18 Système de plongée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2014/060839 WO2015159132A1 (fr) 2014-04-18 2014-04-18 Système de plongée

Publications (1)

Publication Number Publication Date
WO2015159132A1 true WO2015159132A1 (fr) 2015-10-22

Family

ID=50896354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/060839 WO2015159132A1 (fr) 2014-04-18 2014-04-18 Système de plongée

Country Status (1)

Country Link
WO (1) WO2015159132A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2003815A (en) * 1977-09-02 1979-03-21 Comex Handling submerged apparatus
GB2004818A (en) * 1977-09-30 1979-04-11 Univ Strathclyde Vessels with moonpools
WO2008132479A2 (fr) * 2007-04-27 2008-11-06 Divex Limited Ensemble de cloche à plongeur
GB2496608A (en) * 2011-11-15 2013-05-22 Subsea 7 Ltd Apparatus and method for lifting a payload from an underwater location

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2003815A (en) * 1977-09-02 1979-03-21 Comex Handling submerged apparatus
GB2004818A (en) * 1977-09-30 1979-04-11 Univ Strathclyde Vessels with moonpools
WO2008132479A2 (fr) * 2007-04-27 2008-11-06 Divex Limited Ensemble de cloche à plongeur
GB2496608A (en) * 2011-11-15 2013-05-22 Subsea 7 Ltd Apparatus and method for lifting a payload from an underwater location

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