EP2500258A2 - Kombinierte Klappe für ein Gefäß, Kran dafür, sowie Gefäß und Verfahren - Google Patents

Kombinierte Klappe für ein Gefäß, Kran dafür, sowie Gefäß und Verfahren Download PDF

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Publication number
EP2500258A2
EP2500258A2 EP11180561A EP11180561A EP2500258A2 EP 2500258 A2 EP2500258 A2 EP 2500258A2 EP 11180561 A EP11180561 A EP 11180561A EP 11180561 A EP11180561 A EP 11180561A EP 2500258 A2 EP2500258 A2 EP 2500258A2
Authority
EP
European Patent Office
Prior art keywords
hatch
vessel
deck
crane
support beam
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Withdrawn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
EP11180561A
Other languages
English (en)
French (fr)
Other versions
EP2500258A3 (de
Inventor
Hendrik Hessels
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.)
SMST Rodenstaal BV
U-Sea Beheer BV
Original Assignee
SMST Rodenstaal BV
U-Sea Beheer 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
Priority claimed from NL2006425A external-priority patent/NL2006425C2/nl
Application filed by SMST Rodenstaal BV, U-Sea Beheer BV filed Critical SMST Rodenstaal BV
Publication of EP2500258A2 publication Critical patent/EP2500258A2/de
Publication of EP2500258A3 publication Critical patent/EP2500258A3/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Withdrawn legal-status Critical Current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 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • 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
    • B63B19/12—Hatches; Hatchways
    • B63B19/14—Hatch covers
    • 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
    • B63B19/12—Hatches; Hatchways
    • B63B19/24—Hatch fastenings, e.g. cleats
    • 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
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • B63B27/12—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes of gantry type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00—Base supporting structures with legs
    • B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • 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
    • B63B19/12—Hatches; Hatchways
    • B63B19/24—Hatch fastenings, e.g. cleats
    • B63B2019/245—Loose or removable fastening members specially adapted for fastening hatch covers to coamings, sills, or the like

Definitions

  • the present invention relates to a combined deck hatch for a vessel.
  • a deck hatch is used to cover a cargo hold of a vessel.
  • cargo is usually also placed on the provided deck hatches.
  • Known deck hatches are manufactured from steel to ensure sufficient strength against the constant cargo load on the one hand and against the variable environmental impact of wind, rain and waves on the other.
  • the problem of these conventional hatches is that they take a heavy form, whereby they are difficult to handle and for instance require auxiliary means taking a heavy form, such as a hatch crane, to displace this deck hatch, for instance for the purpose of loading and unloading the vessel.
  • the vessel Due to the heavy form of the hatches and the possibly required auxiliary means, the vessel also takes a heavy form so that the fuel consumption is also relatively high.
  • the present invention has for its object to provide an improved deck hatch with which the above stated problems are wholly or partially obviated.
  • the present invention provides for this purpose a combined deck hatch for a vessel, comprising:
  • the opening in the vessel can be covered by providing a support beam and a plastic panel which can be connected thereto.
  • the support beam is preferably provided here in the width direction of the vessel and thereby rests on the side walls of this vessel.
  • the opening to the ship's hold is provided with a number of support beams provided at a mutual distance.
  • the plastic panels are placed herebetween. An assembled deck hatch is in this way realized with a combination of the support beam and the plastic panel.
  • Conventional steel deck hatches usually have a width, which during use is provided in longitudinal direction of the vessel, of about 6122 millimetres and are placed on the opening with an intermediate spacing of about 10 mm.
  • a support beam with a width of about 1000 mm is placed at a mutual centre-to-centre distance of 6132 mm, wherein between two adjacent support beams is provided a plastic panel of about 5112 mm which is placed between the support beams with an additional intermediate spacing of about 10 mm.
  • the length of the support beams with panels which are placed in the width direction of the vessel preferably amounts to about 10000 to 13000 mm. Other dimensions are of course also possible.
  • the assembly according to the invention forms a so-called weather deck cover.
  • the load resulting from cargo placed on the deck amounts to about 3 tons per m 2 .
  • the plastic panel preferably comprises a fibre-reinforced material of a glass composite provided with about 30% by weight of the resin type 1967. Alternative resins can also be applied.
  • the contact surface of the support beam is preferably a support surface. This achieves that during use a plastic panel rests on a support beam when covering an opening.
  • a seal is preferably also provided between the support beams and the plastic panel to prevent possible entry of for instance rainwater or seawater into the hold during transport.
  • the deck hatch further comprises coupling means for mutually coupling the support beam and the panel during use.
  • the support beam and the panel can be mutually connected by providing the coupling means.
  • An entity of the assembled deck hatch is hereby obtained such that the hold remains closed during transport.
  • An example of such a coupling means is the use of a wedge which can be struck through respective openings on or in the support beam and the panel. This further enhances the overall stability of the central deck hatch.
  • the support beam is provided with load points for fixing cargo on the deck.
  • cargo with a contact surface or contact point can be fixed herewith relative to the deck. It is thus possible for instance to place a container foot in a recessed relief in the support beam. This can be carried out in effective manner through standardization of containers. It is also possible to fix specific parts or contact points of other type of cargo, for instance wind turbines or components thereof, with the support beam. In addition to fixation of the cargo to be transported, this achieves the forces of this cargo are absorbed by the support beam and not by the plastic panel. A good transmission of forces is hereby realized.
  • auxiliary means such as a hatch crane can take a lighter form so that the whole vessel becomes lighter. This simplifies handling of the deck hatches, so that they can be positioned more efficiently. Owing to the weight reduction of the deck hatch and the associated auxiliary means the fuel consumption of the vessel overall is also greatly reduced during transport.
  • the panel is provided with support means.
  • the combined deck hatch comprises a lock system provided with a pressure contact such that the lock can be pressed through an opening in the vessel.
  • a lock system preferably comprises a so-called twist lock.
  • the lock system is hereby fixed so that the deck hatch is positioned fixedly relative to the vessel.
  • the rotation of the lock is preferably also performed during positioning of the deck hatch on the opening by for instance a hatch crane.
  • An observation system is preferably provided, for instance in the form of a camera system, preferably in the vicinity of the point of engagement between lifting means of a hatch crane and the deck hatches, so that it is possible to monitor remotely whether the engagement has been fully effected.
  • a safe monitoring or security system is hereby realized.
  • the so-called twist lock is preferably provided with a detection system and generates a release signal, preferably wirelessly, in the case of a good connection between the lifting means of the hatch crane and the deck hatch. This results in a better control of the process of lifting and (dis)placing deck hatches.
  • An additional advantage of using the observation system and/or lock system is that operation of the hatch crane can also take place remotely. It is possible here to envisage operation from the bridge or even from the quayside. This has the result, among others, that hatches open more quickly so that cargo can be placed in the hold or can be unloaded more quickly and safely.
  • the weight of the hatch crane is hereby further reduced, resulting in the above stated advantages.
  • a further advantage of remote control is that the area of the hold can be free of personnel such that personal accidents are avoided.
  • the present invention further relates to a hatch crane for a vessel, comprising:
  • the opening can be covered with such hatches to prevent the entry of water into the opening.
  • the hatches are removed in order to leave the hold opening clear for loading and unloading goods from the ship's hold.
  • the girder is preferably movable along a guide track on or at the upright by means of a drive mechanism such as a hydraulic cylinder, preferably a double-action hydraulic cylinder.
  • a drive mechanism such as a hydraulic cylinder, preferably a double-action hydraulic cylinder.
  • the lifting means comprise an engaging means, for instance in the form of a hook or eye, with which the crane can be connected to a deck hatch.
  • the compensating means are preferably provided close to the contact between the girder and the upright, such that compensation is made for the outward curving of the ship's hull in efficient and effective manner. Owing to this compensation lateral movement of the at least one upright is made possible in a manner such that the consequences for the crane of the outward curving of the ship's hull are hereby compensated.
  • By providing the compensating means close to the transition between the girder and the at least one upright a small angular displacement between these two elements is made possible, such that the foot of the upright can co-displace with the whole ship's hull without the crane also being deformed.
  • the chance of damage to the crane according to the invention is hereby reduced. This has the result, among others, of increasing the safety of these cranes. Better utility under extreme conditions is also achieved.
  • An additional advantage of the hatch crane according to the present invention lies in the weight reduction which can be brought about for such a hatch crane.
  • the hatch cranes known in practice have to be given a weighted form to be able to guarantee sufficient strength during use and transport.
  • a crane known in practice here has a weight of for instance about 8 tons.
  • Owing to the compensating means a similar crane according to the present invention can be embodied with a weight of about 4 to 4.5 tons. This results in a cost reduction in the manufacture of such cranes.
  • less maintenance is also required for these cranes as a result of the lower load and/or the more effective design.
  • the paint surface area is thus for instance reduced.
  • a further additional effect is that, owing to the weight reduction of the hatch crane, less uneconomic mass need be transported such that a vessel can carry more paid cargo.
  • the compensating means can be embodied in the form of for instance a hinge and/or comprise damping means, for instance in the form of a damper block provided close to the transition between the at least one upright and the girder or hatch. Both constant and peak loads can hereby be absorbed in effective manner by the hatch crane.
  • the total weight of this hatch crane can remain limited here, and thereby enhances the advantage of the lightweight embodiment of the deck hatch according to the invention as described above.
  • the girder of the hatch crane is preferably also provided with mutually releasable flanges, for instance with bolt connections, for the purpose of realizing a removable crane system. Transport and assembly of the hatch crane is hereby easier.
  • the hatch crane preferably comprises a pressing unit for activating a lock system.
  • the lock system is hereby pressed into an opening in the ship's hull and then optionally rotated in the case a so-called twist lock system is used.
  • the invention also relates to a vessel provided with a combined deck hatch and/or hatch crane as described above.
  • Such a vessel provides the same effects and advantages as stated in respect of the combined deck hatch and/or the hatch crane.
  • the present invention further relates to a method for providing deck hatches as described above on an opening of a ship's hold.
  • the method preferably further comprises of displacing a deck hatch using a hatch crane.
  • a hatch crane When a ship's hatch is opened a hatch crane is positioned above a deck hatch to be displaced. Said deck hatch is picked up and displaced using the lifting means.
  • the hatch crane is subsequently positioned above a, for instance adjacent, deck hatch and also picks up and displaces it. This second deck hatch is usually placed here on top of the previous, already displaced hatch. This is then repeated until the opening has been cleared for the purpose of removing the cargo from the ship's hold or placing the cargo therein. During closing of the hold the hatches are repositioned in reverse sequence using the hatch crane.
  • a safe and effective hatch crane and positioning of the deck hatches on the opening of a vessel are realized by providing the hatch crane as described above. Owing to the weight reduction of the hatch crane according to the present invention compared to known hatch cranes a simpler and also more rapid movement of the hatch crane relative to the opening of the ship's hold is made possible. This achieves that the loading and unloading process can be performed more quickly.
  • a vessel 2 ( fig. 1 ) is provided with a crane 4 for transporting goods over a body of water or sea 6.
  • Vessel 2 has a starboard side 8 and port side 10, wherein vessel 2 is aligned on starboard side 8 in the shown embodiment.
  • Vessel 2 has deck hatches 12 for covering an opening in deck 14.
  • the combined deck hatch 12 ( fig. 2A , B, C and D) comprises a support beam 66.
  • a number of steel support beams 66 When placed on an opening in deck 14 a number of steel support beams 66 are situated at a mutual distance of about 6132 mm and a number of plastic panels 68 are placed between support beams 66.
  • a seal 69 is further provided between support beam 66 and plastic panel 68.
  • After placing of beams 66 and panels 68 a connection is realized between support beam 66 and an adjacent plastic panel 68 using a wedge 70.
  • the support beam has a width of about 1000 mm and panel 68 a width of about 5112 mm.
  • the length of support beam 66 and panel 68 is about 12500 mm.
  • support beam 66 Also provided on support beam 66 are a number of load points 72 which in the shown embodiment are embodied as recessed relief.
  • support beam 66 has in the longitudinal direction a supporting surface 73 on which a panel edge 74 can be positioned.
  • plastic panel 68 is provided with support beams 76 between which composite material 78 is provided.
  • Additional supports 80 are provided for the side edges of the total deck hatch 12 as seen in longitudinal direction of vessel 2.
  • an additional support or reinforcement 82 is also provided so as to further optimize the transmission of forces.
  • crane 4 ( fig. 3-6 ) is provided with a first upright 16 on starboard side 8 of vessel 2.
  • a second upright 18 is provided on port side 10 of vessel 2.
  • Extending between the two uprights 16, 18 is a girder 20 on which a first transverse beam 22 and second transverse beam 24 are arranged.
  • Hooks 26 for picking up deck hatches 12 are provided on transverse beams 22, 24.
  • a pressing unit 27 is provided for pressing down deck hatches 12 when they are placed, particularly for pressing the lock of the deck hatch into an opening.
  • Uprights 16, 18 have a guide 28. Uprights 16, 18 are further provided in the shown embodiment with a double-action hydraulic cylinder 30, the housing of which is mounted for movement relative to deck 14. Cylinder 30 is connected to slidable element 32, which is slidable relative to guide 28. Plates 34, which in the shown embodiment have a triangular form, are connected to beams 22, 24 and girder 20. A connecting strip 36 is provided here between plate 34 and girder 20. In the shown embodiment upright 16 is provided with compensating means 38 such that a pivot mounting is realized between upright 16 and girder 20. In the shown embodiment a damper block 38 is provided here between plate 34 and girder 20 for the purpose of absorbing inter alia the vibrations which occur. Girder 20 is provided at two positions with flanges 40. Provided on the deck side of uprights 16, 18 are wheels 42 which make the frame with uprights 16, 18 and girder 20 displaceable relative to deck 14. Wheels 42 here move over guide rails 44.
  • Deck hatch 14 is provided with an edge or recess 46 with which hook 26 can engage on deck hatch 12 ( fig. 7A ).
  • a connection between hook 26 and edge 46 can be monitored using contact element 48.
  • hook 26 engages in a recess 50, wherein a contact element 48 can likewise be provided.
  • Cylinder 30 is secured on the deck side to connecting plate 54 using fastening 52. Uprights 16, 18 are provided on this plate 54 via fastening 56. Uprights 16, 18 are further provided on connecting plate 54 by means of an additional strip 58.
  • crane 4 is provided for displacement relative to the rest of vessel 2 using a rack and pinion.
  • the safety of crane 4 is further increased with such a non-slip construction.
  • a lock system 58 ( figure 8 ) connects a deck hatch 12 to a recess 60 in vessel 2.
  • an opening 62 through which a part of lock system 58 is pressed using pressing unit 27 of crane 4 when deck hatch 12 is placed on the opening in ship's hold 14.
  • lock system 58 comprises a so-called twist lock 60 which is preferably automatically rotated through about 90° during placing of the deck hatch in order to thereby realize a fixation between deck hatch 12 and vessel 2.
  • Hatch crane 4 according to the present invention can for instance also be used to place a cover on storage bunkers on land. It is also possible to place hatch crane 4 on the quayside when loading and/or unloading a vessel 2 so that crane 4 does not have to be transported as well during sailing. This placing of crane 4 is simplified by the relatively limited weight of hatch crane 4 according to the invention. This can be carried out in additionally advantageous manner owing to the symmetrical construction thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ship Loading And Unloading (AREA)
  • Jib Cranes (AREA)
  • Laminated Bodies (AREA)
EP11180561A 2011-03-18 2011-09-08 Kombinierte Klappe für ein Gefäß, Kran dafür, sowie Gefäß und Verfahren Withdrawn EP2500258A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2006425A NL2006425C2 (nl) 2010-03-18 2011-03-18 Gecombineerd dekluik voor een schip, kraan daarvoor, en schip en werkwijze.

Publications (2)

Publication Number Publication Date
EP2500258A2 true EP2500258A2 (de) 2012-09-19
EP2500258A3 EP2500258A3 (de) 2012-10-24

Family

ID=45092061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11180561A Withdrawn EP2500258A3 (de) 2011-03-18 2011-09-08 Kombinierte Klappe für ein Gefäß, Kran dafür, sowie Gefäß und Verfahren

Country Status (1)

Country Link
EP (1) EP2500258A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3725663A1 (de) 2019-04-15 2020-10-21 Neptun Ship Design GmbH Lukendeckel und verfahren zur konfiguration eines lukendeckels

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2194012A (en) * 1938-09-01 1940-03-19 Dravo Corp Hatchway cover
US2901279A (en) * 1955-03-02 1959-08-25 Bethlehem Steel Corp Dogging means
US2943589A (en) * 1958-10-02 1960-07-05 Cleveland Pneumatic Ind Inc Securing latch for hatch covers
DE1169803B (de) * 1959-02-12 1964-05-06 Internat Macgregor Organizatio Verriegelungsvorrichtung zum Festspannen von Lukenverschlussplatten
FR1330244A (fr) * 1962-05-08 1963-06-21 Leger & Cie Soc Panneau d'écoutille
US4461232A (en) * 1981-07-10 1984-07-24 Proform, Inc. Lightweight marine barge cover
DE19505764C2 (de) * 1995-02-20 2002-10-17 Sec Ship S Equipment Ct Bremen Fixiereinrichtung zur Fixierung einer Laderaumabdeckung auf dem Laderaum eines Wasserfahrzeuges
US5794402A (en) * 1996-09-30 1998-08-18 Martin Marietta Materials, Inc. Modular polymer matrix composite support structure and methods of constructing same
US20080216731A1 (en) * 2007-03-05 2008-09-11 Rick Huddleston Latch for a Boat Storage Compartment Cover
NL2001006C2 (nl) * 2007-11-14 2009-05-15 W N Smit Groep B V Scheepsluik, schip voorzien van een scheepsluik en werkwijze voor de vervaardiging daarvan.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3725663A1 (de) 2019-04-15 2020-10-21 Neptun Ship Design GmbH Lukendeckel und verfahren zur konfiguration eines lukendeckels

Also Published As

Publication number Publication date
EP2500258A3 (de) 2012-10-24

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