WO2010013271A1 - 'a movable gangway for a boat, having a rotating actuator' - Google Patents

'a movable gangway for a boat, having a rotating actuator' Download PDF

Info

Publication number
WO2010013271A1
WO2010013271A1 PCT/IT2008/000527 IT2008000527W WO2010013271A1 WO 2010013271 A1 WO2010013271 A1 WO 2010013271A1 IT 2008000527 W IT2008000527 W IT 2008000527W WO 2010013271 A1 WO2010013271 A1 WO 2010013271A1
Authority
WO
WIPO (PCT)
Prior art keywords
gangway
support element
rotary actuator
respect
hinge axis
Prior art date
Application number
PCT/IT2008/000527
Other languages
French (fr)
Inventor
Pietro Sacco
Original Assignee
Opacmare S.P.A.
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 Opacmare S.P.A. filed Critical Opacmare S.P.A.
Priority to PCT/IT2008/000527 priority Critical patent/WO2010013271A1/en
Publication of WO2010013271A1 publication Critical patent/WO2010013271A1/en

Links

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
    • B63B27/143—Ramps

Definitions

  • the present invention relates to a movable gangway, comprising a support element which can be mounted on a boat, a gangway element hinged on the support element about a horizontal hinge axis, and elevating rotation means for rotating the gangway element about the hinge axis of the gangway element with respect to the support element.
  • movable gangways commonly used in marine applications comprise rotation means composed of one or more hydraulic cylinders positioned under the gangway element, and installed in such a way that they are hinged at one end on the gangway element, and at the other end on a predetermined point of the boat.
  • This arrangement has relatively large overall dimensions, which creates a problem, particularly in cases where the best use must be made of the available space. For example, if the gangway is installed above a storage deck for a tender, the presence of the hydraulic cylinders can create an obstacle and limit the space available for the convenient positioning of the tender.
  • the object of the present invention is therefore to provide a movable gangway of the type defined in the introductory part, in which the overall dimensions of the installation can be reduced.
  • the movable gangway according to the invention is characterized in that said elevating rotation means comprise a fluid operated rotary actuator, which is mounted coaxially with the hinge axis between the support element and the gangway element, and comprises a first part fixed to the support element and a second part, rotatable with respect to the first, which is fixed to the gangway element.
  • said elevating rotation means comprise a fluid operated rotary actuator, which is mounted coaxially with the hinge axis between the support element and the gangway element, and comprises a first part fixed to the support element and a second part, rotatable with respect to the first, which is fixed to the gangway element.
  • Figures 1 to 3 are views, in side elevation, in plan and in perspective respectively, of a movable gangway according to the invention
  • Figures 4 and 5 are enlarged views of a detail of the gangway of Figures 1 to 3, in plan and in perspective respectively;
  • Figure 6 is a schematic side elevation of the detail of Figures 4 and 5;
  • Figure 7 is a view in side elevation of a second embodiment of the gangway according to the invention.
  • FIGS. 1 to 6 show a gangway 1 according to the invention, which can be installed on a boat S (a portion of which is shown in Figure 1).
  • the gangway comprises a support element 2, which can be mounted on the boat S.
  • the gangway 1 also comprises a first and a second gangway element 3, 4.
  • the first gangway element 3 is hinged on the support element 2 at its proximal end along a horizontal hinge axis x.
  • the second gangway element 4 is mounted slidably in the first gangway element 3, so as to form a configuration which can be moved telescopically, as indicated by the arrow Tl in Figures 1 and 2.
  • a hydraulic cylinder (not shown) is fitted inside the first gangway element 3, to drive the second gangway element 4.
  • the gangway 1 also comprises elevating rotation means for rotating the gangway element 3 about the hinge axis x with respect to the support element 2.
  • the directions of rotary movement of the gangway element 3 are indicated by the arrow R in Figure 1.
  • the aforesaid elevating rotation means comprise a fluid operated rotary actuator 5, which is mounted coaxially with the hinge axis x between the support axis 2 and the first gangway element, and which comprises a first part 5a fixed to the support element 2 and a second part 5b, which is rotatable with respect to the first part and is fixed to the gangway element 3.
  • the fluid operated actuator 5 is of the type having a piston (not shown) fixed with respect to rotation to one of said first and second parts of the rotary actuator 5, and an endless screw transmission (not shown) functionally interposed between said piston and the other of said first and second parts of the rotary actuator 5, to convert the movement of the piston into the rotation of the second part of the rotary actuator 5 with respect to the first part of the rotary actuator 5.
  • the maximum diameter D 5 of the fluid operated actuator 5 is equal to or less than the overall vertical dimension (thickness) D 2 of the support element 2 (this dimension being determined essentially by the supporting beams and the walking deck of the support element 2) and of the vertical dimension (thickness) D 3 of the gangway element 3 (this thickness being determined essentially by the supporting beams and the walking deck of the gangway element 3). Additionally, the overall vertical dimension of the gangway element 2 is substantially equal to the overall vertical dimension of the gangway element 3.
  • the support element 2 is mounted slidably in a containing box 6, which in turn is mounted in a static way on the boat S.
  • the gangway 1 can therefore be placed in a retracted configuration (not shown) in which the first gangway element 3 (with the second gangway element 4 inside it) is completely contained inside the containing box 6, and in an elongated configuration (shown in the drawings), in which the support element 2 partially emerges from the containing box 6, with the rotary actuator 5 outside the box.
  • the directions of translation of the support element 2 (and of the gangway element 3) with respect to the containing box 6 are indicated by the arrow T2.
  • the containing box 6 can be made with a relatively limited overall vertical dimension, since the use of the rotary actuator 5 enables the structure of the moving part of the gangway to be kept compact.
  • the containing box 6 can therefore also be made in the form of an element of the gangway which can be walked on, in the same way as the first and second gangway elements 3, 4.
  • Figure 7 shows a second embodiment of the invention, identical to the preceding one, except in that the support element 2 is mounted in a static way on the boat S.
  • the elements of this embodiment are indicated by the same reference numerals as those of the preceding embodiment, and will not be described further.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Actuator (AREA)

Abstract

A movable gangway (1) comprises a support element (2) which can be mounted on a boat (S), a gangway element (3, 4) hinged on the support element (2) about a horizontal hinge axis (x), and an elevating rotation device for rotating the gangway element about the hinge axis (x) of the gangway element (3, 4) with respect to the support element (2). The elevating rotation device is composed of a fluid operated rotary actuator (5), which is mounted ^coaxially with the hinge axis (x) between the support element (2) and the gangway element (3), and comprises a first part fixed to the support element (2) and a second part, rotatable with respect to the first, which is fixed to the gangway element (3).

Description

A MOVABLE GANGWAY FOR A BOAT, HAVING A ROTATING ACTUATOR FOR ROTATION
ABOUT A HORIZONTAL AXIS
The present invention relates to a movable gangway, comprising a support element which can be mounted on a boat, a gangway element hinged on the support element about a horizontal hinge axis, and elevating rotation means for rotating the gangway element about the hinge axis of the gangway element with respect to the support element.
As is well known, movable gangways commonly used in marine applications comprise rotation means composed of one or more hydraulic cylinders positioned under the gangway element, and installed in such a way that they are hinged at one end on the gangway element, and at the other end on a predetermined point of the boat.
This arrangement has relatively large overall dimensions, which creates a problem, particularly in cases where the best use must be made of the available space. For example, if the gangway is installed above a storage deck for a tender, the presence of the hydraulic cylinders can create an obstacle and limit the space available for the convenient positioning of the tender.
The object of the present invention is therefore to provide a movable gangway of the type defined in the introductory part, in which the overall dimensions of the installation can be reduced.
The movable gangway according to the invention is characterized in that said elevating rotation means comprise a fluid operated rotary actuator, which is mounted coaxially with the hinge axis between the support element and the gangway element, and comprises a first part fixed to the support element and a second part, rotatable with respect to the first, which is fixed to the gangway element.
Specific embodiments of the invention are defined in the dependent claims.
A preferred, but non-limiting, embodiment of the invention will now be described, with reference to the attached drawings, in which: Figures 1 to 3 are views, in side elevation, in plan and in perspective respectively, of a movable gangway according to the invention;
Figures 4 and 5 are enlarged views of a detail of the gangway of Figures 1 to 3, in plan and in perspective respectively;
Figure 6 is a schematic side elevation of the detail of Figures 4 and 5; and
Figure 7 is a view in side elevation of a second embodiment of the gangway according to the invention.
With reference to Figures 1 to 6, these show a gangway 1 according to the invention, which can be installed on a boat S (a portion of which is shown in Figure 1). The gangway comprises a support element 2, which can be mounted on the boat S. The gangway 1 also comprises a first and a second gangway element 3, 4. The first gangway element 3 is hinged on the support element 2 at its proximal end along a horizontal hinge axis x. The second gangway element 4 is mounted slidably in the first gangway element 3, so as to form a configuration which can be moved telescopically, as indicated by the arrow Tl in Figures 1 and 2. For this purpose, a hydraulic cylinder (not shown) is fitted inside the first gangway element 3, to drive the second gangway element 4.
The gangway 1 also comprises elevating rotation means for rotating the gangway element 3 about the hinge axis x with respect to the support element 2. The directions of rotary movement of the gangway element 3 are indicated by the arrow R in Figure 1. The aforesaid elevating rotation means comprise a fluid operated rotary actuator 5, which is mounted coaxially with the hinge axis x between the support axis 2 and the first gangway element, and which comprises a first part 5a fixed to the support element 2 and a second part 5b, which is rotatable with respect to the first part and is fixed to the gangway element 3.
The fluid operated actuator 5 is of the type having a piston (not shown) fixed with respect to rotation to one of said first and second parts of the rotary actuator 5, and an endless screw transmission (not shown) functionally interposed between said piston and the other of said first and second parts of the rotary actuator 5, to convert the movement of the piston into the rotation of the second part of the rotary actuator 5 with respect to the first part of the rotary actuator 5.
As shown in Figure 6, the maximum diameter D5 of the fluid operated actuator 5 is equal to or less than the overall vertical dimension (thickness) D2 of the support element 2 (this dimension being determined essentially by the supporting beams and the walking deck of the support element 2) and of the vertical dimension (thickness) D3 of the gangway element 3 (this thickness being determined essentially by the supporting beams and the walking deck of the gangway element 3). Additionally, the overall vertical dimension of the gangway element 2 is substantially equal to the overall vertical dimension of the gangway element 3.
In the embodiment shown in Figures 1 to 6, the support element 2 is mounted slidably in a containing box 6, which in turn is mounted in a static way on the boat S. The gangway 1 can therefore be placed in a retracted configuration (not shown) in which the first gangway element 3 (with the second gangway element 4 inside it) is completely contained inside the containing box 6, and in an elongated configuration (shown in the drawings), in which the support element 2 partially emerges from the containing box 6, with the rotary actuator 5 outside the box. The directions of translation of the support element 2 (and of the gangway element 3) with respect to the containing box 6 are indicated by the arrow T2.
With the configuration described above, the containing box 6 can be made with a relatively limited overall vertical dimension, since the use of the rotary actuator 5 enables the structure of the moving part of the gangway to be kept compact. The containing box 6 can therefore also be made in the form of an element of the gangway which can be walked on, in the same way as the first and second gangway elements 3, 4.
Figure 7 shows a second embodiment of the invention, identical to the preceding one, except in that the support element 2 is mounted in a static way on the boat S. The elements of this embodiment are indicated by the same reference numerals as those of the preceding embodiment, and will not be described further.
Clearly, the use of the rotary actuator in place of the conventional hydraulic cylinders' makes it possible not to encumber the space under the gangway, which can therefore be uusseedd iinn aa ccoonnvveenniieenntt wwaayy..

Claims

1. Movable gangway (1), comprising a support element (2) which can be mounted on a boat (S), a gangway element (3, 4) hinged on the support element (2) about a horizontal hinge axis (x), and elevating rotation means for rotating the gangway element (3, 4) around the hinge axis (x) with respect to the support element (2), characterized in that said elevating rotation means comprise a fluid operated rotary actuator (5), which is mounted coaxially with the hinge axis (x) between the support element (2) and the gangway element (3), and comprises a first part (5a) fixed to the support element (2) and a second part (5b), rotatable with respect to the first, which is fixed to the gangway element (3).
2. Gangway according to Claim 1, in which said fluid operated rotary actuator (5) comprises a piston which is fixed with respect to rotation to one of said first and second parts of the rotary actuator (5), and an endless screw transmission functionally interposed between said piston and the other of said first and second parts of the rotary actuator (5), said screw transmission being capable of converting the movement of said piston into the rotation of said second part of the rotary actuator (5) with respect to said first part of the rotary actuator (5).
3. Gangway according to Claim 1 or 2, in which the maximum diameter (D5) of the fluid operated rotary actuator (5) is equal to or less than the overall vertical dimension (D2) of the support element (2) and the overall vertical dimension (D3) of the gangway element
(3);
4. Gangway according to Claim 3, in which the overall vertical dimension (D2) of the support element (2) is equal to the overall vertical dimension (D3) of the gangway element (3).
5. Gangway according to any one of the preceding claims, in which said support element is mounted slidably in a containing box (6) in such a way that said gangway can be placed in a retracted configuration, in which said gangway element is completely contained inside said containing box, and an elongated configuration, in which said support element emerges partially from said containing box, having the rotary actuator (5) outside the box.
PCT/IT2008/000527 2008-08-01 2008-08-01 'a movable gangway for a boat, having a rotating actuator' WO2010013271A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IT2008/000527 WO2010013271A1 (en) 2008-08-01 2008-08-01 'a movable gangway for a boat, having a rotating actuator'

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2008/000527 WO2010013271A1 (en) 2008-08-01 2008-08-01 'a movable gangway for a boat, having a rotating actuator'

Publications (1)

Publication Number Publication Date
WO2010013271A1 true WO2010013271A1 (en) 2010-02-04

Family

ID=40723162

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2008/000527 WO2010013271A1 (en) 2008-08-01 2008-08-01 'a movable gangway for a boat, having a rotating actuator'

Country Status (1)

Country Link
WO (1) WO2010013271A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITAN20100081A1 (en) * 2010-05-19 2011-11-20 Vento Di Maestrale Societa A Res Ponsabilita L CATERPILLAR FOR CLIMBING AND DESCENT FROM VESSELS FOR DISABLED PEOPLE.
CN109747792A (en) * 2018-12-14 2019-05-14 大连中远海运重工有限公司 The rotary connection fore-and-aft gangway of FPSO module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1009737A (en) * 1963-06-19 1965-11-10 Brown John George Improvements in marine vessels
US4971168A (en) * 1988-04-01 1990-11-20 Stanescu Georgel V Boat side-ladder
EP0487908A2 (en) * 1990-10-31 1992-06-03 Stanescu Georgel Valentin Gangplank or ladder for watercraft made up of several articulated sections
US5996737A (en) * 1998-02-10 1999-12-07 Justoy Pty Ltd Access device
WO2003106254A1 (en) * 2002-06-18 2003-12-24 Opacmare S.R.L. Movable platform unit for a boat, particularly for hauling and launching tenders and the like
FR2878822A1 (en) * 2004-12-02 2006-06-09 Noval Sarl Motorised mechanism for retracting a boat's bathing ladder has pinions driving endless chain connected by arm to ladder's top rung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1009737A (en) * 1963-06-19 1965-11-10 Brown John George Improvements in marine vessels
US4971168A (en) * 1988-04-01 1990-11-20 Stanescu Georgel V Boat side-ladder
EP0487908A2 (en) * 1990-10-31 1992-06-03 Stanescu Georgel Valentin Gangplank or ladder for watercraft made up of several articulated sections
US5996737A (en) * 1998-02-10 1999-12-07 Justoy Pty Ltd Access device
WO2003106254A1 (en) * 2002-06-18 2003-12-24 Opacmare S.R.L. Movable platform unit for a boat, particularly for hauling and launching tenders and the like
FR2878822A1 (en) * 2004-12-02 2006-06-09 Noval Sarl Motorised mechanism for retracting a boat's bathing ladder has pinions driving endless chain connected by arm to ladder's top rung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITAN20100081A1 (en) * 2010-05-19 2011-11-20 Vento Di Maestrale Societa A Res Ponsabilita L CATERPILLAR FOR CLIMBING AND DESCENT FROM VESSELS FOR DISABLED PEOPLE.
CN109747792A (en) * 2018-12-14 2019-05-14 大连中远海运重工有限公司 The rotary connection fore-and-aft gangway of FPSO module

Similar Documents

Publication Publication Date Title
US6910435B2 (en) Mooring device
CA2712729C (en) Movable platform assembly for a boat, particularly for hauling or launching tenders or the like
CA2194241C (en) Drive screw system with nested mobile supports
CN102803066B (en) Comprise the boats and ships of load mode Magnus Effect rotor
WO2017135821A1 (en) Height adjustable marine telescopic access bridge, ship provided therewith and method there for
KR102530151B1 (en) Hatch system comprising operating apparatus for opening and closing a hatch
KR20140144827A (en) Manifold device
US4508016A (en) Rotary actuated support
WO2010013271A1 (en) 'a movable gangway for a boat, having a rotating actuator'
CA2635504C (en) Vehicle slide-out room drive
EP2697111B1 (en) Vessel comprising a crane
US4136633A (en) Device for restraining lateral movement of subsea equipment
US7866275B2 (en) Retractable platform for transom of boat
WO2009118767A1 (en) A multipurpose gangway for vessels
CN116588842A (en) Marine fan integral hoisting equipment
EP3568349B1 (en) Watercraft having a deck crane
EP3895975B1 (en) Movable platform assembly with translation system
US11536354B2 (en) Power tailgate actuator assembly including bellows
CN101896397B (en) Impact absorbing drop keel
US20220252135A1 (en) Device for locking an object along a cable
US3699851A (en) Dielectrically extensible boom structure
US2952368A (en) Ship cargo-handling equipment for quick reshipment of cargo
CA1111829A (en) Wind-up drum for faired cable
KR101487676B1 (en) Canister-type thruster
EP3508412B1 (en) Topside lifting device, topside lifting arrangement, vessel comprising the topside lifting arrangement, and method of lifting or lowering a topside

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08808219

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08808219

Country of ref document: EP

Kind code of ref document: A1