EP1301390B1 - Mechanism for hinged mounting of cargo ship hatch cover - Google Patents
Mechanism for hinged mounting of cargo ship hatch cover Download PDFInfo
- Publication number
- EP1301390B1 EP1301390B1 EP01940606A EP01940606A EP1301390B1 EP 1301390 B1 EP1301390 B1 EP 1301390B1 EP 01940606 A EP01940606 A EP 01940606A EP 01940606 A EP01940606 A EP 01940606A EP 1301390 B1 EP1301390 B1 EP 1301390B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hatch cover
- support brackets
- cargo
- support
- hull structure
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- B63B19/19—Hatch covers foldable
- B63B19/197—Hatch covers foldable actuated by fluid pressure
-
- 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
- B63B25/18—Detachable decks
Definitions
- the present invention relates to a mechanism for hinged connection of a cargo ship hatch cover to the ship's hull structure, the mechanism comprising, in addition to the pivotal mechanism connecting the hatch cover to the hull structure, at least one actuator adapted between the hatch cover and the hull structure, such as a hydraulic cylinder by means of which the hatch cover is rotatable from a substantially vertical open position into a substantially horizontal closed position and vice versa, said closed position being secured by means of support brackets arranged to support the hatch cover from below.
- the invention is particularly (but not exclusively) related to hinged connection of the hatch cover of an intermediate cargo-carrying deck.
- the intermediate deck is a hatch cover which is located below the weather deck in the payload cargo hold and adapted to carry the weight of cargo placed thereon.
- the hatch covers of the intermediate cargo-carrying deck are either stowed (lifted off and on) by means of a lift or, alternatively, are cylinder-operated hatch cover panels generally adapted to rotate about one hinged edge.
- Lift-operated hatch covers may be arranged to rest on support brackets settable at different heights in the cargo hold, thus allowing the hatch cover to be adjusted by its height position.
- Such mechanism according to the invention is characterized in that the mechanism for hinged connection of the hatch cover to the ship's hull structure provides a limited movement of the hinged end of the hatch cover in the vertical direction so that the hatch cover can be adjusted to a desired height.
- a preferred embodiment of the invention is characterized in that said mechanism comprises an articulated link arm having its one end hingedly connected to said hull structure and the other end to the hatch cover, respectively, and that the support brackets serving to support the hatch cover in its closed position are placed at least at two different height levels.
- Another preferred embodiment of the invention is characterized in that at least the upper set of the support brackets is settable either into an operative position wherein they support the hatch cover and, respectively, into a home position wherein the upper support brackets facilitate the rotation of the hatch cover onto the lower set of the support brackets or away therefrom.
- a still another preferred embodiment of the invention is characterized in that the operation of the upper set of the support brackets between their operative position and their home position is arranged to take place manually, hydraulically or other similar manner.
- the invention offers fast and easy operation without the use of a lift. Furthermore, no usable cargo hold is reserved for the stowing of the hatch cover panels.
- the mechanism is simple and reliable in use. Opening, closing, elevation into its top position and respective lowering of the hatch cover into its horizontal deployed position can be performed by means of a single actuator.
- the mechanism according to the invention facilitates both opening and closing as well as elevating the cargo-carrying deck hatch cover into its top position and respectively lowering the same into different height positions within the confines of the cargo hold.
- a cargo hold 1 above a cargo hold 1 is situated an intermediate cargo-carrying deck whose hatches 2 are shown in the diagram operated into both their open and closed positions.
- the trajectory of the hatch cover panels of the cargo-carrying deck is denoted by hatched lines.
- Above the hatch covers 2 of the cargo-carrying intermediate deck are placed the weather deck hatch covers 3 that respectively are shown in their open and closed positions.
- Cargo such as sheet steel rolls 4 can be carried on top of the hatch covers 2 of the cargo-carrying deck.
- FIG. 2 a more detailed diagram of the hinged mechanism according to the invention.
- the mechanism comprises an actuator such as a hydraulic cylinder 6, which is at its one end pivotally connected to the hinged edge of the hatch cover 2 and, also pivotally, at its other end to the ship's hull structure 5.
- an actuator such as a hydraulic cylinder 6, which is at its one end pivotally connected to the hinged edge of the hatch cover 2 and, also pivotally, at its other end to the ship's hull structure 5.
- a link arm 7 having its one end pivotally connected to the hatch cover 2 and the other end to the hull structure 5.
- the link arm 7 facilitates a vertical movement of the hinged edge of the hatch cover 2 within a given range.
- the hatch cover 2 of the cargo-carrying deck is shown in its deployed operative position supported by the lower set 8 of the support brackets.
- the hatch cover of the cargo-carrying deck is capable of receiving cargo 4 to be loaded thereon. Further above this hatch cover is located the hatch cover of the weather deck that also is placed into its closed position. As is obvious from the diagram, the entire volume of the actual cargo hold 1 is thus usable for the payload cargo.
- the weather deck hatch cover 3 has been stowed aside by means of its own actuator not shown in the diagrams. Then, the cargo 4 can be unloaded from above the hatch covers 2 of the cargo-carrying intermediate deck.
- the hydraulic cylinder 6 has been actuated to rotate the hatch cover 2 of the cargo-carrying deck into its vertical open position.
- the upper set 9 of the support brackets has been deployed, that is, the brackets are rotated or pulled, e.g., manually or hydraulically into their supporting position.
- the upper set of the support brackets were not deployed in order to permit the passage of the hatch cover onto the lower set of the support brackets and off therefrom.
- the actual rotational movements of the cargo-carrying deck hatch cover are actuated with the help of a hydraulic cylinder 6, while the changes in the height position of the hatch cover 2 are implemented by means of the link arm 7 and the support bracket sets 8, 9.
- the mechanism described above makes it possible to both open/close of the cargo-carrying deck hatch cover 2 and to elevate/lower the same into different height positions in the cargo hold 1.
- the function of the mechanism is based on a link mechanism based on two pivotal points.
- the pair of support brackets located closest to the link mechanism at support bracket levels above the lowermost support bracket level act as a dynamic center of rotation for the hatch cover 2.
- the support brackets 8, 9 are typically placed at the sides of the cargo hold.
- bracket sets can be installed to provide, e.g., one deck level for cargo of a very low height, while simultaneously a cargo hold of a maximally high volume is made available below the cargo-carrying deck.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Warehouses Or Storage Devices (AREA)
- Jib Cranes (AREA)
Description
Claims (5)
- A mechanism for hinged connection of a cargo ship hatch cover (2) to the ship's hull structure (5), the mechanism comprising, in addition to the pivotal mechanism connecting the hatch cover (2) to the hull structure (5), at least one actuator adapted between said hatch cover (2) and said hull structure, such as a hydraulic cylinder (6) by means of which the hatch cover (2) is rotatable from a substantially vertical open position into a substantially horizontal closed position and vice versa, said closed position being secured by means of support brackets (8) arranged to support the hatch cover from below, characterized in that said mechanism for hinged connection of said hatch cover (2) to the ship's hull structure (5) provides a limited movement of the hinged end of the hatch cover (2) in the vertical direction so that the hatch cover can be adjusted to different closed position heights.
- A mechanism according to claim 1, characterized in that said mechanism comprises an articulated link arm (7) having its one end hingedly connected to said hull structure (5) and the other end to the hatch cover (2), respectively, and that the support brackets (8, 9) serving to support the hatch cover (2) in its closed position are placed at least at two different height levels.
- A mechanism according to claim 1 or 2, characterized in that at least the upper set (9) of the support brackets is settable into both an operative position wherein they support said hatch cover (2) and, respectively, a home position wherein the upper support brackets facilitate the rotation of the hatch cover onto the lower set (8) of the support brackets or away therefrom.
- A mechanism according to claim 3, characterized in that the operation of the upper set (9) of the support brackets between their deployed position and their home position is arranged to take place manually, hydraulically or other similar manner.
- A mechanism according to any one of the foregoing claims 1-4, characterized in that the pair of support brackets (9) located closest to the link mechanism at levels above the lowermost level of support brackets act as a dynamic center of rotation for the hatch cover when the hatch cover is being lowered onto said upper level and off therefrom.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20001701A FI112053B (en) | 2000-07-21 | 2000-07-21 | Mechanism for hinging the cargo ship cargo hatch to the hull |
FI20001701 | 2000-07-21 | ||
PCT/FI2001/000539 WO2002008052A1 (en) | 2000-07-21 | 2001-06-07 | Mechanism for hinged mounting of cargo ship hatch cover |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1301390A1 EP1301390A1 (en) | 2003-04-16 |
EP1301390B1 true EP1301390B1 (en) | 2005-08-31 |
Family
ID=8558811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01940606A Expired - Lifetime EP1301390B1 (en) | 2000-07-21 | 2001-06-07 | Mechanism for hinged mounting of cargo ship hatch cover |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1301390B1 (en) |
JP (1) | JP2004504230A (en) |
CN (1) | CN1222439C (en) |
AU (1) | AU2001274129A1 (en) |
BG (1) | BG64770B1 (en) |
DE (1) | DE60113119T2 (en) |
FI (1) | FI112053B (en) |
RO (1) | RO120897B1 (en) |
WO (1) | WO2002008052A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU216814U1 (en) * | 2022-12-28 | 2023-03-02 | Вячеслав Вильямович Кокоев | A loop |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101618754B (en) * | 2009-08-17 | 2011-01-05 | 陈桂晖 | Ship hatchcover opening device |
CN103303436A (en) * | 2012-03-09 | 2013-09-18 | 舟山永锦船舶配件制造有限公司 | Process for installing hinges to large hatch cover |
KR101895286B1 (en) | 2014-01-23 | 2018-09-05 | 벡텔 하이드로카본 테크놀로지 솔루션즈, 인코포레이티드 | Method for conversion of a vessel for use as floating liquefied natural gas facility |
JP5913673B2 (en) * | 2014-03-27 | 2016-04-27 | 株式会社光レジン工業 | Multiple hatch box shelter |
JP2015205604A (en) * | 2014-04-21 | 2015-11-19 | 三井造船株式会社 | Solar panel-mounted hatch cover |
KR102030970B1 (en) * | 2019-05-15 | 2019-10-10 | 사단법인 한국선급 | Movable apparatus for reinforcing laydown area and moving method for moving the same |
CN112623112A (en) * | 2020-12-23 | 2021-04-09 | 大连中远海运重工有限公司 | Heavy embedded hydraulic watertight small hatch cover system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE452733B (en) * | 1984-05-08 | 1987-12-14 | Kvaerner Ships Equipment | Articulation mechanism for container aperture cover |
SE468940B (en) * | 1989-03-17 | 1993-04-19 | Kvaerner Ships Equipment | Device pertaining to hinge arrangement for a hatch or other like sealing member |
-
2000
- 2000-07-21 FI FI20001701A patent/FI112053B/en active
-
2001
- 2001-06-07 AU AU2001274129A patent/AU2001274129A1/en not_active Abandoned
- 2001-06-07 WO PCT/FI2001/000539 patent/WO2002008052A1/en active IP Right Grant
- 2001-06-07 RO ROA200300241A patent/RO120897B1/en unknown
- 2001-06-07 CN CN 01813168 patent/CN1222439C/en not_active Expired - Fee Related
- 2001-06-07 EP EP01940606A patent/EP1301390B1/en not_active Expired - Lifetime
- 2001-06-07 DE DE60113119T patent/DE60113119T2/en not_active Expired - Fee Related
- 2001-06-07 JP JP2002513762A patent/JP2004504230A/en not_active Withdrawn
-
2002
- 2002-11-26 BG BG107320A patent/BG64770B1/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU216814U1 (en) * | 2022-12-28 | 2023-03-02 | Вячеслав Вильямович Кокоев | A loop |
Also Published As
Publication number | Publication date |
---|---|
FI20001701A0 (en) | 2000-07-21 |
CN1443130A (en) | 2003-09-17 |
BG64770B1 (en) | 2006-03-31 |
DE60113119T2 (en) | 2006-06-08 |
FI20001701A (en) | 2002-01-22 |
FI112053B (en) | 2003-10-31 |
EP1301390A1 (en) | 2003-04-16 |
RO120897B1 (en) | 2006-09-29 |
WO2002008052A1 (en) | 2002-01-31 |
AU2001274129A1 (en) | 2002-02-05 |
BG107320A (en) | 2003-06-30 |
DE60113119D1 (en) | 2005-10-06 |
CN1222439C (en) | 2005-10-12 |
JP2004504230A (en) | 2004-02-12 |
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