EP4177145A1 - Vehicle deck mass lifting system for vessels - Google Patents

Vehicle deck mass lifting system for vessels Download PDF

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Publication number
EP4177145A1
EP4177145A1 EP20943609.6A EP20943609A EP4177145A1 EP 4177145 A1 EP4177145 A1 EP 4177145A1 EP 20943609 A EP20943609 A EP 20943609A EP 4177145 A1 EP4177145 A1 EP 4177145A1
Authority
EP
European Patent Office
Prior art keywords
deck
vehicle
vehicle deck
main rod
lifter
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.)
Pending
Application number
EP20943609.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Se Jung Kim
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.)
MacGregor Sweden AB
Original Assignee
MacGregor Sweden AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=79315405&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP4177145(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MacGregor Sweden AB filed Critical MacGregor Sweden AB
Publication of EP4177145A1 publication Critical patent/EP4177145A1/en
Pending 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 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/18—Detachable decks
    • B63B25/20—Detachable decks for motor vehicles or the like
    • 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
    • B63B27/16—Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/48—Decks
    • B63B2003/485—Decks movably connected to hull or superstructure

Definitions

  • the present disclosure relates to a system for lifting a parking deck mounted on a ship transporting a vehicle, and more particularly, to a system for lifting a plurality of decks using a single actuator.
  • a ro-ro ship is called a ship transporting cargoes in a way that may load cargoes of a vehicle or container with its own mobility onto a transport device such as a truck or trailer and roll-on or roll-off the cargoes through a ramp from a stern or tonnage.
  • ro-ro ships may load and transport medium and large heavy equipment from vehicles of different sizes, i.e., passenger cars.
  • a volume of a cargo hold is wasted depending on a total height of a vehicle to be transported, causing a problem in that the overall cargo load is reduced.
  • Korean Patent Nos. 10-0979554 , 10-1977611 , 10-1996903 , 10-1417954 , and the like have been disclosed.
  • the present disclosure provides a system for lifting a plurality of decks using a single actuator.
  • a system for lifting a plurality of vehicle decks using a single actuator is provided.
  • the system comprises a main rod that is arranged to pass through a first vehicle deck, a second vehicle deck,..., and a Nth vehicle deck (in this case, N is a natural number greater than 2) which are continuously arranged; an actuator that moves the main rod forward or backward in an arranged longitudinal direction; and a first deck lifter, a second deck lifter,..., and an Nth deck lifter that are arranged at positions corresponding to the first vehicle deck, the second vehicle deck,..., and the Nth vehicle deck, respectively, and selectively fixed to the main rod to raise or lower the vehicle deck at positions arranged according to the forward or backward movement of the main rod.
  • the main rod may comprise a protruding fixed block that is used for fixing the first deck lifter, the second deck lifter,..., and the Nth deck lifter at the positions corresponding to the first vehicle deck, the second vehicle deck,..., and the Nth vehicle deck, respectively.
  • the first deck lifter is a device for hosting the first vehicle deck by connecting end portion of the first vehicle deck with a plurality of wire ropes and may comprise a rope end block that is selectively fixed to the fixed block and moving according to a movement direction of the main rod, a plurality of wire ropes that have one end portion fixed to the rope end block and the other end portion fixed to a corner of the first vehicle deck, and a plurality of rope sheaves that switches a traveling direction of the plurality of wire ropes.
  • the rope end block is a form in which the main rod passes through a central portion and may comprise the plurality of wire ropes fixed on a rear surface thereof and a first lever selectively blocking a passage of the fixed block provided on a front surface thereof based on an actuating direction of the main rod for raising the first vehicle deck.
  • the first deck lifter may further comprises a stopper that suppresses a progress of the rope end block so that the first vehicle deck maintains a set height even in a state in which the rope end block is released from the fixed block.
  • the rope end block may have a second lever selectively supported by the stopper on the rear surface.
  • FIG. 2 is a schematic view of a system of lifting a vehicle deck of a ship according to the present disclosure viewed from the top and
  • FIG. 3 is a schematic view of the system of lifting a vehicle deck of a ship illustrated in FIG. 2 viewed from the side.
  • a system 1000 of lifting a vehicle deck of a ship is a system that uses a single actuator M to lift a plurality of vehicle decks D-1, D-2, and D-N, and comprises a main rod R an actuator M and deck lifters P, P-1, P-2, and P-N.
  • the main rod R is arranged to pass through a first vehicle deck D-1, a second vehicle deck D-2,.., and an Nth vehicle deck D-N that are continuously arranged (where N is a natural number greater than 2).
  • the main rod R may be arranged on a fixed deck G positioned above the first vehicle deck D-1, the second vehicle deck D-2,..., and the Nth vehicle deck D-N.
  • the fixed deck G is a deck fixed to a hull without being lifted, and the first vehicle deck D-1, the second vehicle deck D-2, and the N-th vehicle deck D-N are decks that may move up and down according to the total height of the vehicle to be transported.
  • the main rod R may be implemented as a wire made of a steel wire or may be implemented as a steel bar or section steel depending on operating conditions.
  • the main rod R has a length corresponding to a length of the decks to be lifted. That is, the main rod R is arranged at a length of N vehicle decks.
  • the actuator M moves the main rod R forward or backward in the arranged longitudinal direction.
  • the actuator M may be implemented in a form in which a motor and a gear are combined, and implemented in a hydraulic cylinder form, and implemented in such a way that a cylinder shaft directly pushes or pulls the main rod R.
  • the actuator M may be appropriately selected from among various methods according to a weight of the vehicle deck to be lifted in addition to the example shape.
  • the deck lifter P raises or lowers the vehicle deck at the arranged position according to the forward or backward movement of the main rod R.
  • the deck lifter P is not directly actuated by power to raise the deck by winding a wire rope, and only the deck lifter P serves to change the direction of the force so that the longitudinal movement of the main rod R becomes the height movement of the deck (I ⁇ -> II).
  • the deck lifter P is provided according to the number of vehicle decks.
  • the deck lifter for hosting the first vehicle deck D-1 is represented by an identification code P-1
  • the deck lifter for hosting the second vehicle deck D-2 is represented by an identification code P-2
  • the deck lifter for hosting the Nth vehicle deck D-N is represented by an identification code P-N, but P-1 to P-N are all the same configuration, and therefore, unless there is a special reason, it will be described with the representative identification code 'P'.
  • the vehicle deck will be described with a 'D', which is a representative identification code.
  • Each deck lifter P is arranged at a position corresponding to each vehicle deck.
  • each deck lifter P may be arranged on a lower surface of the fixed deck G at the position where each vehicle deck is arranged.
  • the deck lifter P is disposed above corresponding to the center of the vehicle deck D, but it is only an example for convenience of description.
  • the deck lifter P is arranged along a position where the main rod R is arranged.
  • the deck lifter P is selectively fixed to the main rod R and moves together according to the forward or backward movement of the main rod R.
  • the main rod R comprises N protruding fixed block RB used to fix a first deck lifter P-1, a second deck lifter P-2, and an Nth deck lifter P-N at positions corresponding to the first vehicle deck D-1, the second vehicle deck D-2, and the Nth vehicle deck D-N, respectively.
  • the fixed block RB is provided integrally with the main rod R. Considering the main rod R as a rope, the fixed block RB may be said to be a knot to prevent slipping.
  • the deck lifter P has a structure selectively coupled to the fixed block RB. For example, if all the heights of the first vehicle deck D-1 and the second vehicle deck D-2 to the Nth vehicle deck D-N need to be changed from a height of II to a height of I, the deck lifter P-1, the deck lifter P-2 and the deck lifter P-3 are all coupled to a fixed block RB-1, a fixed block RB-2 - a fixed block RB-N, respectively.
  • the first vehicle deck D-1, the second vehicle deck D-2 ⁇ the Nth vehicle deck D-N are all lifted according to the movement of the deck lifter P-1, the deck lifter P-2, and the deck lifter P-3.
  • a plurality of deck positions can be adjusted at a time by coupling the deck lifter of the vehicle deck requiring position adjustment to the corresponding fixed block.
  • the deck lifter P is a device that connects end portions of the vehicle deck D with a plurality of wire ropes 200a, 200b, 200c, and 200d and hosts the vehicle deck D. Since the deck lifter P has to support the weight of the vehicle deck (D) when the height of the vehicle deck is moved (I ⁇ -> II), it is preferable to be arranged to move along the fixed structure of the ship, such as the fixed deck G.
  • the deck lifter P includes a rope end block 100, a plurality of wire ropes 200a, 200b, 200c, and 200d, a plurality of rope sheave 300h and 300v.
  • the rope end block 100 is selectively fixed to the fixed block RB and moves according to the moving direction of the main rod R. That is, the rope end block 100 is a block for moving along the main rod R.
  • the plurality of wire ropes 200a, 200b, 200c, and 200d each have one end portion fixed to the rope end block 100 (rear surface based on the pulling direction of the main rod R) the other end portion fixed to the vehicle deck D.
  • four wire ropes are used, but this is only one embodiment to help understanding, and the number of wire ropes may be appropriately increased or decreased depending on the implementation environment (shape, size and weight of the vehicle deck) of the vehicle deck D.
  • the rope sheaves 300h and 300v are used to change a traveling direction of each wire rope 200a, 200b, 200c, and 200d.
  • the rope sheave 300h is for switching of a horizontal direction
  • the rope sheave 300v is for switching of a vertical direction.
  • One horizontal rope sheave and one vertical rope sheave per wire rope may be used.
  • the illustrated wire arrangement form and the use form of the rope sheaved 300h and 300v are only one example for helping to understand and may be appropriately changed according to the implementation environment.
  • FIG. 4 is a schematic cross-sectional view for describing the rope end block.
  • the rope end block 100 includes a structure (through hole 130) through which the main rod R selectively passes the central portion.
  • the rope end block 100 has the plurality of wire ropes 200a, 200b, 200c, and 200d fixed to the rear surface based on the actuating direction of the main rod R (right->left in the drawing).
  • the rope end block 100 includes a first lever 110 that selectively blocks the passage of the fixed block RB.
  • the first lever 110 is illustrated as having a clamp shape, but in the present disclosure, the shape of the first lever 110 is not limited, and any structure that prevents the progress of the through hole 130 of the fixed block RB is applicable to the rope end block 100.
  • FIG. 4A is a cross-sectional view schematically illustrating the form of the rope end block 100
  • FIG. 4B describes the case in which the lifting of the vehicle deck is not required.
  • the rope end block 100 is free from the movement of the main rod R.
  • FIG. 4C describes the actuating of the rope end block 100 when the lifting of the vehicle deck is required.
  • the first lever 110 has a shape that grips the main rod R, and the fixed block RB does not pass between the first levers 110 that has a grip shape, so the entire rope end block 100 moves along the movement of the main rod R (right->left).
  • the vehicle deck (D) is actuated to rise by the plurality of wire ropes 200a, 200b, 200c, and 200d connected to the rope end block 100.
  • FIG. 5 is a top view of the rope end block according to an embodiment.
  • the rope end block 100 is a form in which the main rod R passes through the central portion, and has the plurality of wire ropes 200a, 200b, 200c, and 200d fixed to the rear surface thereof and the first lever 110 selectively blocking the passage of the fixed block RB provided on the front surface thereof based on the actuating direction of the main rod R for raising the first vehicle deck D-1.
  • the first lever 110 may be implemented in the form of tongs. According to the actuating of the first lever actuator 111, the first lever 110 has a shape that grips the main rod R, and the fixed block RB does not pass between the first levers 110 that has a grip shape, so the entire rope end block 100 moves along the movement of the main rod R (right->left).
  • the deck lifter P may further include a stopper SP to suppress the progress (left - > right) of the rope end block 100 so that the first vehicle deck D maintains the set height even in a state in which the rope end block 100 is released from the fixed block RB.
  • the left->right movement of the rope end block 100 is suppressed by the stopper SP
  • the rope end block 100 has a second lever 120 selectively supported by the stopper (SP) provided on the rear surface thereof.
  • the second lever 120 is engaged with the stopper SP by the unfolding actuating of the second lever 120. It is possible to select whether the second lever 120 is switched to the opened/closed state according to the actuating of the second lever actuator 121, whether the second lever 120 passes through the stopper SP, or whether the second lever 120 stops progress by being supported by the stopper SP.
  • the rope end block 100 illustrated in FIG. 5 is only one of several possible forms, and the present disclosure is not limited to the form illustrated in FIG. 4 .
  • FIG. 6 is a diagram describing the deck anchor arranged on a pillar.
  • the deck anchor 400 is provided in a pillar (PIL) of the hull to fix the vehicle deck on the lower side surface of the deck in a support manner.
  • PIL pillar
  • the deck anchor 400 includes a first pillar stopper 410, a second pillar stopper 420, and a stopper actuator 430.
  • the first pillar stopper 410 supports the vehicle deck D at a first height I
  • the second pillar stopper 420 supports the vehicle deck D at a second height II.
  • a third pillar stopper (not illustrated) for supporting the vehicle deck D to a third height III may be further provided according to the structure of the hull.
  • the stopper actuator 430 actuates the first pillar stopper 410 and the second pillar stopper 420 through the wire rope 440.
  • the first pillar stopper 410 and the second pillar stopper 420 has a form that they are in close contact with the pillar PIL so that the vehicle deck D may move up and down in the folded state, and support the lower surface of the vehicle deck D in the unfolded state.
  • the stopper actuator 430 may be implemented in a form that it is disposed perpendicular to the pillar and directly connected to the wire rope 400. As illustrated, the stopper actuator 430 may be installed on the fixed deck D in the horizontal direction and connected to the first pillar stopper 410 and the second pillar stopper 420 by switching the pulling direction through the rope sheave 450.
  • FIG. 7 is a diagram describing the arrangement of the vehicle deck along the hull. The width of the hull is reduced in the bow or stern section. In accordance with this, the arrangement of the vehicle deck changes.
  • the lifting system 100 further comprises a connecting bogie 500 that connects the main rods R in parallel to pass through the centers of the first vehicle deck D-1 and the second vehicle deck D-2 according to the arrangement form of the first vehicle deck D-1, the second vehicle deck D-2,..., and the Nth vehicle deck D-N along the hull.
  • the vehicle decks arranged in hull zones '2-S4', '2-S2', '2-S1', and the like do not coincide with the vehicle decks of other parts of the centers thereof.
  • the main rod R of the left part is connected in parallel with the main rod R of the right part through the connecting bogie 500.
  • FIG. 8 is an embodiment of the connecting bogie.
  • the connecting bogie 500 comprises a rim frame 520, a cross frame 510, a horizontal wheel C1, and a vertical wheel C2.
  • the rim frame 520 is formed in a square or rectangular shape and has a size corresponding to the reduced width of the hull. That is, the rim frame 520 is formed to have a horizontal length corresponding to the width of the vehicle deck.
  • the cross frame 510 is a frame that diagonally connects each corner inside the rim frame 520 to prevent the shape of the rim frame 520 from being changed by the force applied to the main rod R.
  • the horizontal wheel C1 and the vertical wheel C2 are provided to reduce friction caused by the connecting bogie (500) coming into direct contact with the hull.
  • the horizontal wheel (C1) is arranged in the four corners of the rim frame 520 and is in close contact with the hull. If necessary, the hull in contact with the horizontal wheel C1 may be further provided with a rail.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Ship Loading And Unloading (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Types And Forms Of Lifts (AREA)
EP20943609.6A 2020-07-03 2020-07-16 Vehicle deck mass lifting system for vessels Pending EP4177145A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200081890A KR102361388B1 (ko) 2020-07-03 2020-07-03 선박용 차량 데크 일괄 리프팅 시스템
PCT/KR2020/009366 WO2022004931A1 (ko) 2020-07-03 2020-07-16 선박용 차량 데크 일괄 리프팅 시스템

Publications (1)

Publication Number Publication Date
EP4177145A1 true EP4177145A1 (en) 2023-05-10

Family

ID=79315405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20943609.6A Pending EP4177145A1 (en) 2020-07-03 2020-07-16 Vehicle deck mass lifting system for vessels

Country Status (5)

Country Link
EP (1) EP4177145A1 (ko)
JP (1) JP2023539003A (ko)
KR (1) KR102361388B1 (ko)
CN (1) CN116096631A (ko)
WO (1) WO2022004931A1 (ko)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US743381A (en) 1903-02-13 1903-11-03 Winfield O Gunckel Cable-grip.
US2751852A (en) 1953-11-02 1956-06-26 Richard J Joy Monorail-type conveyor with disengageable drive
EP1599407A4 (en) 2003-02-10 2010-12-08 Eitan Leibovitz WINCH FOR CONSTRUCTION MATERIAL
KR100511672B1 (ko) * 2003-06-24 2005-08-30 정재룡 선박내부 작업용 이동대차.
WO2005095197A1 (en) * 2004-03-03 2005-10-13 Great American Lines, Inc. Multi-mode ship for transporting vehicles
KR20090075406A (ko) * 2008-01-04 2009-07-08 대우조선해양 주식회사 자동차 운반선용 카데크의 자동 스토퍼장치
US8327785B2 (en) * 2008-03-05 2012-12-11 Nielsen Jens M Ship
KR100979554B1 (ko) 2008-07-28 2010-09-02 동우이엔씨 주식회사 선박 리프터블 데크용 케이블 어셈블리 구조
WO2010085694A2 (en) * 2009-01-22 2010-07-29 Basta Samuel T Watercraft lift system
DE112012007264B4 (de) 2012-12-27 2022-06-23 Macgregor Sweden Ab Verfahren und Vorrichtung zum Absenken/Anheben eines Fracht-Deckbodens an Bord eines reinen Auto/Lastwagen-Frachters mit Multideck
KR101417954B1 (ko) 2013-04-05 2014-07-10 현대중공업 주식회사 선박용 카 데크
SE542524C2 (sv) * 2013-10-07 2020-06-02 Tts Marine Ab Stoppmekanism för hissbara paneler i fartyg
EP3145852B1 (en) * 2014-05-22 2022-06-01 Fiorese, Marta Vehicle lift
JP6471032B2 (ja) * 2015-04-17 2019-02-13 株式会社 商船三井 自動車運搬船及び自動車運搬船における自動車搭載方法
US20200115196A1 (en) * 2017-06-02 2020-04-16 Dücker Group GmbH Palletizing robot with pivoting lift drive
KR101977611B1 (ko) 2018-02-19 2019-05-13 대륜엔지니어링 주식회사 선박용 차량 데크 리프팅 시스템

Also Published As

Publication number Publication date
JP2023539003A (ja) 2023-09-13
KR102361388B9 (ko) 2024-01-17
KR20220004275A (ko) 2022-01-11
KR102361388B1 (ko) 2022-02-10
WO2022004931A1 (ko) 2022-01-06
CN116096631A (zh) 2023-05-09

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