EP0101171A1 - Leichter tragendes Schiff - Google Patents

Leichter tragendes Schiff Download PDF

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Publication number
EP0101171A1
EP0101171A1 EP83303804A EP83303804A EP0101171A1 EP 0101171 A1 EP0101171 A1 EP 0101171A1 EP 83303804 A EP83303804 A EP 83303804A EP 83303804 A EP83303804 A EP 83303804A EP 0101171 A1 EP0101171 A1 EP 0101171A1
Authority
EP
European Patent Office
Prior art keywords
barge
vessel
deck
barges
draught
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.)
Withdrawn
Application number
EP83303804A
Other languages
English (en)
French (fr)
Inventor
John William Speakman Dunn
Gerardus Leonardus Nederpel
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.)
NED CHARTERING Ltd
Original Assignee
NED CHARTERING 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 NED CHARTERING Ltd filed Critical NED CHARTERING Ltd
Publication of EP0101171A1 publication Critical patent/EP0101171A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/002—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods
    • B63B25/006—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods for floating containers, barges or other 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
    • B63B35/28—Barges or lighters
    • 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
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • 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
    • B63B35/42—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels with adjustable draught
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B2001/044—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull with a small waterline area compared to total displacement, e.g. of semi-submersible type

Definitions

  • This invention relates to an improved vessel for carrying one or more barges and to a method of loading barges onto, or unloading barges from, such a vessel.
  • the term 'barge' as used herein is intended to be construed broadly as meaning any floatable freight container or support, for example, a flat-bottomed freight boat or a floatable cargo hold.
  • Semi-submersible vessels are also known generally for example, May 1982 issue of "Ocean Industry” shows a semi-submersible vessel used for carrying two drilling rigs where the rigs were floated into position over the deck, the ship deballasted to lift the rigs dry and then the rigs welded to the deck.
  • a vessel for carrying one or more barges comprises a barge deck open to both sides of the vessel for receiving the or each barge, selectively variable water ballast means whereby the draught of the vessel may be varied between greater and lesser draught levels to allow a barge to be loaded or unloaded by floating the barge on, or off, the barge deck, and means for retaining the or each barge on the deck of the vessel during transport.
  • the barge deck is dimensioned to receive four lighter aboard Coaster flat-bottomed freight barges (LAC); in another embodiment eight barges may be carried.
  • LAC Coaster flat-bottomed freight barges
  • the vessel may receive a single floatable cargo hold or, in the second embodiment, a larger barge with four smaller barges.
  • access to the deck is also available over one end of the vessel, suitably the stern.
  • the means for retaining the or each barge during transport may be retractable stanchions retained in gulleys formed within the deck.
  • the invention also includes a method of loading or unloading a barge carrying vessel including a barge deck having open sides, water ballast means, and barge retaining means the method comprising; selectively controlling the water ballast means whereby the draught of the vessel is varied between a lesser, normal draught level for transport and a greater, submerged draught level in which a barge, as hereinbefore defined, may be floated onto, or off, the barge deck from the side of the vessel, and, respectively, retaining or releasing the barge by means of releasable retaining means.
  • the water ballast means preferably includes twelve water ballast tanks the water content of which may be controlled by one or more pumps.
  • FIGS 1 and 2 of the drawings there is shown a vessel 1 for carrying a plurality of flat-bottomed freight barges 2 (Figure 2), or alternatively a single floatable cargo hold 3 ( Figure 1).
  • the vessel has a control bridge 4 and storage and accommodation space at the stern, and a barge deck 5 between the stern and the bow of the vessel. Disposed below the control bridge 4 and the storage and accommodation space is the engine room for the engine and propellor power assembly generally denoted 6.
  • the barges 2 are locked into position by end locking means and removable side posts as will be explained in detail in connection with the second embodiment.
  • the barge deck is arranged to receive four LAC barges 2 and disposed below the barge deck 5 are a plurality of water ballast tanks dotted as 7, the water content of which may be controlled by means of one or more pumps provided (not shown).
  • the vessel 1 In use the vessel 1 carries the laden LAC barges 2 or floatable cargo holds as far as the depth of water and width of waterway will allow; the normal draught required by the vessel being indicated by the line 8. Once the vessel 1 can travel no further the water ballast tanks 7 are filled with water until the draught of the vessel reaches a submerged draught level indicated by line 9. Once in this position the barges 2 or cargo hold 2 is released and floated off from the side. Loading of the barges 2 aboard the vessel 1 works in reverse as illustrated in figure 2.
  • the vessel 1 is maintained in the submerged position, the barges 2 are floated onto the barge deck 5 by means of a tug 10, the barges are then locked into position, and the water ballast tanks 7 are evacuated to bring the draught level back to line 8.
  • a vessel 20 having a main deck 21, a control bridge and accommodation unit 22 at the bow and laterally spaced funnel sections 23 at the stern. Disposed in the stern is an engine room 24 and below deck the vessel 20 is provided with a plurality, suitably twelve as illustrated, water ballast tanks 25 the water content of which may be controlled by means of one or more pumps provided in the engine room 24.
  • the vessel 20 has access to the main deck 21 from either side or from the stern and is adapted to receive eight LAC barges 26 as shown or four LAC barges 26 and a NED barge 36 (being a barge equivalent in capacity to four LAC barges 26).
  • the main deck 21 is provided with longitudually extending gulleys 27 which are disposed at each side of, and between, the desired location positions for the barges 26 and house a plurality of retaining stanchions 28 (figures 7 and 8).
  • the stanchions 28 are pivotally mounted within their respective gulleys 27 as at 29 and may be raised to an upright position by winch means 30 on the funnel sections 23: a stop (not shown) being provided to hold the stanchions at the upright position.
  • Each stanchion 28 carries a securing clamp 31 at its upper end which, by manipulation of handle 32 may be screwed down into locking engagement over a flange 33 on the barge. If a NED barge 36 is to be secured, as shown in figure 8 then spacer pieces 34 may be provided with a larger securing clamp 35.
  • pressure members 37 may be provided at each side and at each end (figure 9).
  • the pressure members 37 are movably supported upon pivot arms 38 and, are urged against the barge ends by hydraulic cylinder means 39 moving downwardly and outwardly relative the superstructure 22 (as shown by the dotted lines) where it is retained laterally by a U-shaped guide 46.
  • the two rear barges are retained laterally by pressure members 37 on the funnel sections 23 as shown in figures 3 and 4.
  • a two-wire bridle is then secured around the back of the two rear barges to hold the barges in position.
  • telescopic retractable stanchions may be provided at the rear to prevent displacement. The ends of the barges abut one another or, if desired, wooden or elastomeric rubbing pieces are disposed between.
  • the main deck 21 is strengthened to take the weight of the barges to be carried and the vessel 20, as a whole, is designed in such a way that she can go aground fully laden without suffering structural damage: thus the vessel 20 is flat-bottomed (see figure 6) with the drive propellors 42 disposed above bottom level (figure 3).
  • the barges 26 are floated-on or floated-off from the stern and or the sides of the vessel 20 by altering the draught as appropriate between the upper and lower draught levels, indicated by lines 40 and 41 respectively in figure 3: the stanchions 28 and pressure members 37 being readily extended or retracted as desired.
  • the present invention therefore provides a semi-submersible vessel capable of being submerged below its normal draught level so that, in use, one or more barges, as hereinbefore defined, may be floated onto, or off, a deck of the vessel: the barges being floated from the side of the vessel and/or floated from the stern end.
  • the vessel of the present invention is unique in that an alteration takes place on her loadline conditions.
  • the preferred vessel is a coaster of about 2,200 tons deadweight, which by means of 12 large ballast tanks can submerge herself sufficiently for eight LAC barges to be taken on board. The whole operation of submerging, taking the barges on board, securing and deballasting only takes'a few hours.
  • the vessel 20 can carry one larger NED barge 36 instead of four small barges 26, i.e. a combination of one large plus four small ones instead of eight.
  • the barges have no bow or bridge and greatly reduced length and draught and in particular almost no height as opposed to the vessel, the barges can be floated-off so that very small ports and creeks can be penetrated for commercial traffic.
  • the vessel may carry large and heavy structures for the oil related industries.
  • the ballast tanks if desired, could be used for the carriage of non-toxic/non hazardous liquids.
  • the loading and off-loading of the barges 26, 36 by floating on or off on either side of the ship and also over the stern is particularly convenient when encountering a strong tide.
  • the stern loading may be alternatively used for shore loading if the vessel 20 is to carry cargo other than barges.
  • the vessel 20 has two main engines which gives the extra safety that if one engine fails, the speed of the vessel will only be affected by about ten per cent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • Ship Loading And Unloading (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
EP83303804A 1982-07-13 1983-06-30 Leichter tragendes Schiff Withdrawn EP0101171A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8220292 1982-07-13
GB8220292 1982-07-13

Publications (1)

Publication Number Publication Date
EP0101171A1 true EP0101171A1 (de) 1984-02-22

Family

ID=10531641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83303804A Withdrawn EP0101171A1 (de) 1982-07-13 1983-06-30 Leichter tragendes Schiff

Country Status (6)

Country Link
EP (1) EP0101171A1 (de)
JP (1) JPS5963293A (de)
KR (1) KR840005401A (de)
DK (1) DK315683A (de)
ES (1) ES8502040A1 (de)
NO (1) NO832475L (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105691583A (zh) * 2016-03-08 2016-06-22 武汉理工大学 一种船舶压载水集中处理平台
CN117644945A (zh) * 2024-01-30 2024-03-05 中交一航局第五工程有限公司 双沉箱拖运连接装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6550408B1 (en) * 2001-12-19 2003-04-22 Hermann J. Janssen Method and apparatus for loading and unloading cargo from a twin-hull sea-going ship
FR2849639B1 (fr) * 2003-01-08 2006-11-03 Serge Menard Navire sauveteur pour navire en detresse, procede de sauvetage de navire, et application d'un navire sauveteur
CN112722171A (zh) * 2021-01-28 2021-04-30 中国船舶科学研究中心 一种甲板驳船

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1540995A (fr) * 1967-07-20 1968-10-04 Navire porte-barges ou analogue et ses diverses applications
US3508514A (en) * 1966-04-04 1970-04-28 Vienna Arthur W Cargo ships
FR2207055A1 (de) * 1972-11-16 1974-06-14 Inter Hull
DE2639270A1 (de) * 1976-09-01 1978-03-02 Arnold Herbert Walter Ritscher Schwimmbare kaianlage
GB2075432A (en) * 1980-05-07 1981-11-18 Avanova Corp Barge-carrying vessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508514A (en) * 1966-04-04 1970-04-28 Vienna Arthur W Cargo ships
FR1540995A (fr) * 1967-07-20 1968-10-04 Navire porte-barges ou analogue et ses diverses applications
FR2207055A1 (de) * 1972-11-16 1974-06-14 Inter Hull
DE2639270A1 (de) * 1976-09-01 1978-03-02 Arnold Herbert Walter Ritscher Schwimmbare kaianlage
GB2075432A (en) * 1980-05-07 1981-11-18 Avanova Corp Barge-carrying vessel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105691583A (zh) * 2016-03-08 2016-06-22 武汉理工大学 一种船舶压载水集中处理平台
WO2017152617A1 (zh) * 2016-03-08 2017-09-14 武汉理工大学 一种船舶压载水集中处理平台
CN117644945A (zh) * 2024-01-30 2024-03-05 中交一航局第五工程有限公司 双沉箱拖运连接装置
CN117644945B (zh) * 2024-01-30 2024-04-12 中交一航局第五工程有限公司 双沉箱拖运连接装置

Also Published As

Publication number Publication date
DK315683D0 (da) 1983-07-08
ES523926A0 (es) 1984-12-16
KR840005401A (ko) 1984-11-12
DK315683A (da) 1984-01-14
NO832475L (no) 1984-01-16
JPS5963293A (ja) 1984-04-10
ES8502040A1 (es) 1984-12-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE DE FR GB IT LU NL SE

17P Request for examination filed

Effective date: 19840730

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19850919

RIN1 Information on inventor provided before grant (corrected)

Inventor name: NEDERPEL, GERARDUS LEONARDUS

Inventor name: DUNN, JOHN WILLIAM SPEAKMAN