EP0132013A1 - Tin pour le soutènement d'un navire dans un dock - Google Patents

Tin pour le soutènement d'un navire dans un dock Download PDF

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Publication number
EP0132013A1
EP0132013A1 EP84201052A EP84201052A EP0132013A1 EP 0132013 A1 EP0132013 A1 EP 0132013A1 EP 84201052 A EP84201052 A EP 84201052A EP 84201052 A EP84201052 A EP 84201052A EP 0132013 A1 EP0132013 A1 EP 0132013A1
Authority
EP
European Patent Office
Prior art keywords
bilge
ship
shores
shore
keel blocks
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.)
Granted
Application number
EP84201052A
Other languages
German (de)
English (en)
Other versions
EP0132013B1 (fr
Inventor
Gert Siem Brouwer
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.)
Verolme Botlek BV
Original Assignee
Verolme Botlek BV
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 Verolme Botlek BV filed Critical Verolme Botlek BV
Publication of EP0132013A1 publication Critical patent/EP0132013A1/fr
Application granted granted Critical
Publication of EP0132013B1 publication Critical patent/EP0132013B1/fr
Expired legal-status Critical Current

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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
    • B63C5/00—Equipment usable both on slipways and in dry docks
    • 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
    • B63C5/00—Equipment usable both on slipways and in dry docks
    • B63C5/02—Stagings; Scaffolding; Shores or struts
    • B63C5/04—Bilge or keel blocks

Definitions

  • the invention concerns a method and an apparatus for shoring a ship in a dock which for that purpose is provided on the dock bottom with keel blocks having on either side thereof bilge shores adjustable in height.
  • These conventional bilge shores comprise in general a substructure placed on the dock bottom, a movable superstructure and a height adjustment device connecting the superstructure to the substructure, while said height adjustment device ensures that the superstructure is pressed against the underside of the ship.
  • This height adjustment device is substantially a mechanically-pneumatically, hydraulically or electrically operating device, whether or not remote-controlled.
  • this ship For docking a ship, this ship is positioned above the keel blocks arranged in longitudinal direction, and in the centre of the dock, after which the water is pumped out of the dock or in case of a floating dock the dock is lifted.
  • the superstructures of the bilge shores arranged on either side of the keel blocks are brought against the bottom of the ship by means of the height adjustment device. Possibly, the bilge shores may be previously set at the proper height.
  • the height adjustment devices being under water pressure for the remote-controlled bilge shores, may refuse uncontrollably or become unreliable in operation, as a result of which for instance one or more bilge shores are adjusted too high or too low, which may cause substantial damage to the ship.
  • the height adjustment device comprises a resilient construction provided between the superstructure and the substructure and a biasing member for biasing the resilient construction.
  • the resilient construction comprises a resilient material, e.g. in the form of springs or a so-called rubber fender.
  • the ship to be docked during the pumping out or during the lifting of the dock will first touch the bilge shores and subsequently bed down on the keel blocks. During this procedure first the resilient bilge shores are compressed until the weight of the ship is taken up by the keel blocks.
  • the ship When during docking, e.g. by pumping over ballast from starboard to port, the weight distribution of the ship is changed, the ship will further compress the resilient bilge shores placed on port side due to the larger weight on port side. This compression causes on port side a larger and on starboard side a smaller counter-pressure of the resilient bilge shores, so that a new equilibrium condition is produced.
  • a stop element for the superstructure the compression is blocked at a maximum permissible magnitude, so as to prevent the ship from heeling over in an unacceptable manner in case a change in weight takes place that is larger than the maximum spring pressure.
  • the compressible bilge shores 3 are designed in such a manner that, after having being compressed along the distance d, they provide a sufficient spring pressure for maintaining the ship in equilibrium relative to the keel blocks. This spring pressure is normally so large that the bilge shores are capable of also resisting within certain limits a rolling S (Fig. 2) of the ship relatively to its longitudinal axis, as a result of e.g. a displacement of a weight from starboard to port and vice versa.
  • a bilge shore 3 comprising a substructure 5 to be placed on a dock bottom, a movable superstructure 6 in the form of e.g. a beam which is adapted to rest against the underside of a ship, and a resilient construction 7 in the form of springs connecting the superstructure to the substructure in order to move the superstructure up and down substantially in the vertical plane relatively to the substructure.
  • a movable superstructure 6 in the form of e.g. a beam which is adapted to rest against the underside of a ship
  • a resilient construction 7 in the form of springs connecting the superstructure to the substructure in order to move the superstructure up and down substantially in the vertical plane relatively to the substructure.
  • a biasing device comprising a plurality of vertical supporting beams 8 the one ends of which are attached to the substructure 5, while the other ends thereof are provided with a vertical guide slot 9 extending in axial direction of the supporting beam, through which slot extends the one end of a horizontally positioned cam 10 which is attached with its other end to the upper beam 6.
  • the top end of the guide slot 9 defines the extent of the bias in the springs 7.
  • the bias can be made adjustable by e.g. mounting the vertical supporting beams 8 slidable in vertical direction on the substructure 5.
  • the top of the beam 6 is provided with a layer of flexible material 11, e.g. rubber.
  • This beam 6 can also be placed at an angle relative to the horizontal in order to support flat ships and ships having a rise of floor, as diagrammatically shown in Fig. 4 and Fig. 5, respectively.
  • the resilient construction is capable of resisting rollings S within certain limits.
  • the bilge shore is provided with a stop 12 on which the top beam 6 comes to rest after the maximum permissible compression has been reached. It is clear that the length of the guide slot 9 is such that this extendsto beyond the stop 12.
  • Fig. 6 shows a second embodiment of a bilge shore 3, provided with a substructure 13 in the form of a block, e.g. a block of concrete, a box-shaped superstructure 14 which is telescopically slidable relatively to the block 13, and a resilient construction 15 in the form of a e.g. a rubber fender or a different resilient element or cushion which is mounted in the box-shaped superstructure and rests on the block 13.
  • a substructure 13 in the form of a block, e.g. a block of concrete
  • a box-shaped superstructure 14 which is telescopically slidable relatively to the block 13
  • a resilient construction 15 in the form of a e.g. a rubber fender or a different resilient element or cushion which is mounted in the box-shaped superstructure and rests on the block 13.
  • the block 13 For adjusting a bias in the rubber fender 15, the block 13 comprises a slotted hole 16 through which extends a pin 17 coupled to the box-shaped structure 14. The place of the slotted hole is decisive for the bias in the cushion 15.
  • the compression can be limited to a maximum permissible compression value.
  • the bilge shore shown in Fig. 7 is substantially identical to the embodiment shown in Fig. 3, on the understanding that this employs as biasing device a chain 22 coupled between the substructure 20 and the superstructure 21 for biasing the springs 23. Furthermore, a stop 24 is present for limiting the compression of the superstructure 21. Likewise for preventing damage to the underside of a ship to be docked, a layer of flexible material 25 is applied to the superstructure 21.
  • the resilient construction in such a manner that the spring graph, at a given compression, obtains rather suddenly a higher value.
  • the stops 12, 18 and 24 are not necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Bridges Or Land Bridges (AREA)
EP84201052A 1983-07-14 1984-07-12 Tin pour le soutènement d'un navire dans un dock Expired EP0132013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8302535 1983-07-14
NL8302535 1983-07-14

Publications (2)

Publication Number Publication Date
EP0132013A1 true EP0132013A1 (fr) 1985-01-23
EP0132013B1 EP0132013B1 (fr) 1986-11-26

Family

ID=19842166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84201052A Expired EP0132013B1 (fr) 1983-07-14 1984-07-12 Tin pour le soutènement d'un navire dans un dock

Country Status (6)

Country Link
EP (1) EP0132013B1 (fr)
JP (1) JPS6038281A (fr)
KR (1) KR940009264B1 (fr)
DE (1) DE3461443D1 (fr)
IN (1) IN161244B (fr)
SG (1) SG77887G (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2335167A (en) * 1998-01-13 1999-09-15 Babtie Group Limited Docking system for marine vessels
CN115158605A (zh) * 2022-08-18 2022-10-11 上海外高桥造船有限公司 坞墩组件和斜底船的支撑结构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03293492A (ja) * 1990-04-10 1991-12-25 Kajima Corp 地下式トランクルーム
KR100722546B1 (ko) * 2005-10-26 2007-05-28 조영식 선박 건조용 드라이도크 구조물

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE472896C (de) * 1929-03-07 Paul Matthiessen Elastisches Auflager fuer Wasserflugzeuge
US2390300A (en) * 1943-05-20 1945-12-04 Frederic R Harris Shock-absorbing floating dry dock
GB838073A (en) * 1956-07-24 1960-06-22 John Blain Hunt Improvements in or relating to apparatus for the dry docking of ships
US3721096A (en) * 1970-08-26 1973-03-20 Ass Ideas Int Inc Soft support system for hulls and the like
FR2350246A1 (fr) * 1976-05-05 1977-12-02 Amco Dispositif pour le soutenement des navires

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129299U (fr) * 1973-03-06 1974-11-06
JPS49133400U (fr) * 1973-03-15 1974-11-15

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE472896C (de) * 1929-03-07 Paul Matthiessen Elastisches Auflager fuer Wasserflugzeuge
US2390300A (en) * 1943-05-20 1945-12-04 Frederic R Harris Shock-absorbing floating dry dock
GB838073A (en) * 1956-07-24 1960-06-22 John Blain Hunt Improvements in or relating to apparatus for the dry docking of ships
US3721096A (en) * 1970-08-26 1973-03-20 Ass Ideas Int Inc Soft support system for hulls and the like
FR2350246A1 (fr) * 1976-05-05 1977-12-02 Amco Dispositif pour le soutenement des navires

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2335167A (en) * 1998-01-13 1999-09-15 Babtie Group Limited Docking system for marine vessels
GB2335167B (en) * 1998-01-13 2001-06-06 Babtie Group Ltd Docking system for marine vessels
CN115158605A (zh) * 2022-08-18 2022-10-11 上海外高桥造船有限公司 坞墩组件和斜底船的支撑结构

Also Published As

Publication number Publication date
IN161244B (fr) 1987-10-31
KR850001095A (ko) 1985-03-14
KR940009264B1 (ko) 1994-10-06
SG77887G (en) 1988-04-15
JPS6038281A (ja) 1985-02-27
DE3461443D1 (en) 1987-01-15
JPH0358956B2 (fr) 1991-09-09
EP0132013B1 (fr) 1986-11-26

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