EP1902940A2 - Passerelle d'accès pour bateaux en titane - Google Patents

Passerelle d'accès pour bateaux en titane Download PDF

Info

Publication number
EP1902940A2
EP1902940A2 EP07116912A EP07116912A EP1902940A2 EP 1902940 A2 EP1902940 A2 EP 1902940A2 EP 07116912 A EP07116912 A EP 07116912A EP 07116912 A EP07116912 A EP 07116912A EP 1902940 A2 EP1902940 A2 EP 1902940A2
Authority
EP
European Patent Office
Prior art keywords
gangway
fixed frame
trolley
respect
gangway according
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Withdrawn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
EP07116912A
Other languages
German (de)
English (en)
Other versions
EP1902940A3 (fr
Inventor
Giuliano Franceschi
Andrea Borzoni
Marco Maracci
Giovanni Besenzoni
Giorgio Besenzoni
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.)
Besenzoni SpA
Oto Melara SpA
Original Assignee
Besenzoni SpA
Oto Melara SpA
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 Besenzoni SpA, Oto Melara SpA filed Critical Besenzoni SpA
Publication of EP1902940A2 publication Critical patent/EP1902940A2/fr
Publication of EP1902940A3 publication Critical patent/EP1902940A3/fr
Withdrawn legal-status Critical Current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
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • 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
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • B63B2027/141—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts telescopically extendable

Definitions

  • the present invention refers to an access gangway for boats, for example a recreation boat also with the added functionality of small crane for loading tender ships or heavy materials in general on board.
  • the present invention refers to a gangway structure which attains the abovementioned objects by means of the use of titanium as main use material for the various parts of the gangway, rather than traditional steel, achieving an object with considerable strength and mechanical characteristics while at the same time ensuring a considerably improvement in terms of weight, corrosion resistance in the absence of particular treatments and elimination of periodic need for surface painting operations.
  • the particular conformation of the multiple-module structure contributes to the obtainment of the abovementioned characteristics.
  • One aspect of the present invention regards an access gangway for boats comprising a plurality of base elements which are slidable with respect to each other so to render such gangway extendable, characterised in that such base elements comprise a trolley which determines the binding of the gangway to the boat, a fixed frame bound in an articulated manner to the end of such trolley having the possibility to carry out raising or lowering motions with respect to such trolley by means of moving means, and a movable frame associated with the fixed frame and telescopically slidable with respect thereto.
  • the gangway according to the present invention preferably comprises a plurality of base elements which are movable with respect to each other so to form an extendable gangway.
  • the gangway comprises a movable frame 4, a fixed frame 3 and a trolley 2.
  • the entire system composed of movable frame, fixed frame and trolley can telescopically slide on guides, integral with the boat, so to exit from and re-enter the stern of the latter.
  • the trolley determines the binding of the gangway to the boat, the fixed frame is bound in an articulated manner to the end of such trolley and can carry out raising and lowering motions under the thrust of movement means; the movable frame is associated with the fixed frame and is telescopically slidable with respect thereto.
  • trolley 2 comprising two longitudinal members 21, preferably U-bent, reinforced by a lower flange plate 22 and transversely connected by crossbars 23 made from bent sheet metal.
  • a plurality of wheels 24 are obtained which are aligned with each other and organised along two parallel longitudinal rows, by means of which the gangway is inserted on the boat.
  • a plurality of rollers 25 are made which contribute to guiding the trolley (and consequently the entire gangway) in the step of engaging and disengaging with the boat and at the same time for limiting the deflection under load.
  • articulatable binding means are obtained to the fixed frame, comprising a pair of plates 26 which are bound, for example welded, to the longitudinal members 21, on which plates 26 an overturning hinge 27 is made.
  • the movement means of the fixed frame with respect to the trolley preferably comprise two hydraulic cylinders (not shown), connected on one side to the trolley and on the other side to the fixed frame.
  • Such configuration allows a convenient amplitude of the inclination angle between trolley and fixed frame, in the range of about -12 to +15 degrees.
  • the fixed frame 3 is also preferably made like the trolley by means of longitudinal members 31 preferably U-bent and reinforced by a lower flange plate 32 and transversely connected by crossbars 33.
  • the fixed frame is illustrated, with particular reference to its lower surface, on which load lifting means are made comprising a cylinder 34 defined “cable puller" which operates on a cable 35, for example a stranded cable, by means of a first pulley 36.
  • load lifting means comprising a cylinder 34 defined “cable puller” which operates on a cable 35, for example a stranded cable, by means of a first pulley 36.
  • the latter by utilising a further transmission, allows lifting the load by operating on a second pulley 37 installed at the end of the fixed frame, for example on the last two crossbars of the fixed frame.
  • connection crossbars 33 of the fixed frame have an important structural function since they directly sustain the load to be lifted during the functioning step of the gangway, like a lifting crane.
  • the movable frame 4 last appendage of the gangway, is interfaced on the fixed frame 3 by means of a prismatic guide made inside the structure of the same fixed frame.
  • the translation motion of the movable frame is preferably hydraulically commanded by means of a piston which operates between the fixed frame and the slidable frame.
  • Such movable frame preferably comprises a pair of longitudinal members 41, preferably U-bent, reinforced by a lower flange plate 42 and possibly transversely connected by reinforcing crossbars.
  • the gangway is located entirely inside the boat and is made to exit outside thereof in the disembarking stage by means of a hydraulic cylinder, for example a multi-element telescopic cylinder which pushes the entire structure by utilising an interface made on the front crossbar of the trolley in the disembarking stage.
  • a hydraulic cylinder for example a multi-element telescopic cylinder which pushes the entire structure by utilising an interface made on the front crossbar of the trolley in the disembarking stage.
  • the described load-bearing parts of the gangway structure, object of the present invention, i.e. the longitudinal members, the crossbars and the plates, are made of titanium (for example T1Cp2, i.e. Pure Grade 2 titanium).
  • the appropriate sizing of the gangway sections has allowed limiting the elastic deformations under load, maintaining the deflection at acceptable levels from the ergonomic standpoint (use as gangway for embarking/disembarking from the boat) and at the same time also under load (for example nominal tonnage of 680 Kg).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Handcart (AREA)
  • Transmission Devices (AREA)
EP07116912.2A 2006-09-22 2007-09-21 Passerelle d'accès pour bateaux en titane Withdrawn EP1902940A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20061804 ITMI20061804A1 (it) 2006-09-22 2006-09-22 Passerella di accesso per imbarcazioni in titanio

Publications (2)

Publication Number Publication Date
EP1902940A2 true EP1902940A2 (fr) 2008-03-26
EP1902940A3 EP1902940A3 (fr) 2014-05-21

Family

ID=38895545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116912.2A Withdrawn EP1902940A3 (fr) 2006-09-22 2007-09-21 Passerelle d'accès pour bateaux en titane

Country Status (2)

Country Link
EP (1) EP1902940A3 (fr)
IT (1) ITMI20061804A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20110236A1 (it) * 2011-08-30 2013-03-01 B Financial Srl Passerella di approdo perfezionata, specialmente per imbarcazioni
CN109080777A (zh) * 2018-08-28 2018-12-25 韦伟 一种深海钻井船组合式伸缩舷梯

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1106074A (en) * 1914-05-06 1914-08-04 Joshua Bidlake Gang-plank.
GB1236447A (en) * 1968-11-20 1971-06-23 Ernest Batley Improvements in or relating to gangways
FR2674212A1 (fr) * 1991-03-22 1992-09-25 Roume Christian Passerelle pour bateau comportant un moyen faisant office d'amortisseur pour eviter que la passerelle ne rague sur le quai.
NO972820L (no) * 1997-06-18 1998-12-21 Pevatec As Bevegelsesabsorberende overf°ringssystem
US6499610B2 (en) * 1999-07-23 2002-12-31 Michael Spitsbergen Portable hoist system
NL1016111C2 (nl) * 2000-09-06 2002-03-07 P & R Systems Werkwijze voor het betreden van een in zee geplaatste paal, alsmede daarbij te gebruiken inrichting.

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20110236A1 (it) * 2011-08-30 2013-03-01 B Financial Srl Passerella di approdo perfezionata, specialmente per imbarcazioni
CN109080777A (zh) * 2018-08-28 2018-12-25 韦伟 一种深海钻井船组合式伸缩舷梯

Also Published As

Publication number Publication date
ITMI20061804A1 (it) 2008-03-23
EP1902940A3 (fr) 2014-05-21

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