EP4053067A1 - Kranvorrichtung für schiffe - Google Patents

Kranvorrichtung für schiffe Download PDF

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Publication number
EP4053067A1
EP4053067A1 EP19950253.5A EP19950253A EP4053067A1 EP 4053067 A1 EP4053067 A1 EP 4053067A1 EP 19950253 A EP19950253 A EP 19950253A EP 4053067 A1 EP4053067 A1 EP 4053067A1
Authority
EP
European Patent Office
Prior art keywords
crane
hull
battery
motor
electric power
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
EP19950253.5A
Other languages
English (en)
French (fr)
Other versions
EP4053067A4 (de
Inventor
Kazuhisa HIRAI
Kazuya HAYASHIDA
Kyota SADAMATSU
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.)
Oshima Shipbuilding Co Ltd
Original Assignee
Oshima Shipbuilding Co Ltd
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 Oshima Shipbuilding Co Ltd filed Critical Oshima Shipbuilding Co Ltd
Publication of EP4053067A1 publication Critical patent/EP4053067A1/de
Publication of EP4053067A4 publication Critical patent/EP4053067A4/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/60—Derricks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B66C13/14—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices to load-engaging elements or motors associated therewith
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
    • B66C2700/082—Control of the secondary movements, e.g. travelling, slewing, luffing of the jib, changing of the range

Definitions

  • the present invention relates to a crane apparatus for a ship.
  • a ship equipped with a deck crane on board is used as a cargo ship (e.g., a chip carrier) (see Patent Publication JP2010-285271A , for example).
  • An electric deck crane used for cargo handling is configured to perform necessary operations such as hoisting, luffing, and slewing by means of a motor.
  • Patent Document 1 Patent Publication JP2010-285271A
  • an object of the present invention is to provide a crane apparatus for a ship, which is configured to optimize the inboard electric power, particularly the electric power for cargo handling, thereby curbing the impact on the environmental burden and improving the efficiency.
  • One aspect of the present invention is a crane apparatus for a ship equipped with an electric deck crane, the crane apparatus including:
  • the inboard electric power particularly the electric power for cargo handling can be optimized by utilizing the batteries, thereby curbing the impact on the environmental burden and improving the efficiency.
  • the hull-side battery of the crane apparatus may be composed of a battery such as a lithium-ion battery that has a higher energy density than the crane-side battery.
  • the crane-side battery of the crane apparatus may be composed of a battery capable of charging and discharging more rapidly than the hull-side battery, such as a lithium-ion battery or a capacitor with a high capacity rate.
  • the motor of the crane apparatus may be any of a wire hoisting motor, a luffing motor, and a slewing motor.
  • a hull-side system may be provided with a hull-side control unit, and a crane-side system may be provided with a crane-side control unit.
  • a switchboard may be provided between the hull-side control unit and the crane-side control unit.
  • the present invention can provide a crane apparatus for a ship, which is configured to optimize the inboard electric power, particularly the electric power for cargo handling, thereby curbing the impact on the environmental burden and improving the efficiency.
  • a crane apparatus 10 is an apparatus for a ship equipped with an electric deck crane 210.
  • the crane apparatus 10 according to the present embodiment includes a hull-side system 100 provided on the hull (ship) 1 side and a crane-side system 200 (see Figs. 1 and 2 ).
  • the hull-side system 100 includes a generator 110, a hull-side battery 130, a hull-side control unit 140, and a switchboard 150.
  • the crane-side system 200 includes an electric deck crane 210, a motor 220, a crane-side battery 230, and a crane-side control unit 240 (see Figs. 1 and 2 ).
  • the generator 110 is a device that generates electricity by utilizing power of an engine 20 in the hull 1 (see Fig. 2 ).
  • an engine 20 in the hull 1 see Fig. 2 .
  • three generators 111, 112, and 113, generators No. 1 to No. 3 are arranged in the hull 1, constituting the crane apparatus 10 (see Fig. 1 ).
  • the hull-side battery 130 is the one provided in the hull 1.
  • the hull-side battery 130 of the present embodiment is composed of a battery having a higher energy density than the crane-side battery 230.
  • a preferred example of such hull-side battery 130 is a lithium-ion battery.
  • the hull-side battery 130 of the present embodiment is connected to the hull-side control unit 140 via a battery control unit 132 ( Fig. 2 ).
  • the hull-side control unit 140 is a control unit provided in the hull-side system 100.
  • Such hull-side control unit 140 of the present embodiment configured by an EMS keeps the amount of electric power of each of the generators 111, 112, and 113 constant at all times and manages the amount of charge/discharge of the hull-side battery 130.
  • the electric deck crane 210 of the crane-side system 200 is a crane apparatus configured to perform necessary operations such as a hoisting/lowering operation of hook 216 (or sometimes a bucket shown in Fig. 1 ) (see Fig. 3 ), an luffing [up]/luffing [down] operation of a jib (arm) 214 (see Fig. 4 ), and a slewing operation of a crane body 212 (see Fig. 5 ).
  • three electric deck cranes 210, electric deck cranes No. 1 to No. 3 are installed in the hull 1 of the present embodiment (see Fig. 1 ), but Figs. 2 to 5 illustrate only one of these electric deck cranes as a representative example.
  • the motor 220 provides driving force for causing the electric deck cranes 210 to perform necessary operations.
  • the electric deck cranes 210 are provided with a hoisting motor 220A, a luffing motor 220B, and a slewing motor 220C, respectively (see Fig. 2 ).
  • These motors 220 (hoisting motor 220A, luffing motor 220B, and slewing motor 220C) are connected to the crane-side control unit 240 via respective inverters 222 (a hoisting motor inverter 222A, a luffing motor inverter 222B, and a slewing motor inverter 222C) (see Fig. 2 ).
  • the the crane-side battery 230 is a battery attached to each electric deck crane 210.
  • the crane-side battery 230 of the present embodiment is composed of a battery capable of charging and discharging more rapidly than the hull-side battery 130, and is provided for each electric deck crane.
  • a favorable example of such crane-side battery 230 is a battery composed of a lithium-ion battery or a capacitor with a high capacity rate.
  • the crane-side battery 230 of the present embodiment is connected to the crane-side control unit 240 via a battery control unit 232 (see Fig. 2 ).
  • the crane-side control unit 240 is a control unit provided in the crane-side system 200.
  • the crane-side control unit 240 of the present embodiment performs various types of control on the electric deck crane 210, such as managing the amount of charge/discharge of the crane-side battery 230.
  • the components constituting the crane apparatus 10, that is, the motor 220, the crane-side battery 230, the generators 110, the hull-side battery 130 and the like, are connected by wiring 300.
  • a switchboard is provided between the hull-side control unit 140 and the crane-side control unit 240.
  • the switchboard 150 is provided on the wiring 300 on the hull-side system 100 side (see Fig. 2 ).
  • the hull-side battery 130 is being charged from the generator 110.
  • the hoisting motor 220A is driven to perform the hoisting operation.
  • the crane-side battery 230 discharges to supply electric power to the hoisting motor 220A, and thereafter the hull-side battery 130 discharges to supply electric power to the hoisting motor 220A.
  • the both batteries (the hull-side battery 130 and the crane-side battery 230) are charged with regenerative electric power that is generated in the luffing motor 220B to perform the luffing [down] operation.
  • the both batteries (the hull-side battery 130 and the crane-side battery 230) are charged with the regenerative electric power that is generated in the luffing motor 220B to perform the luffing [down] operation.
  • the both batteries (the hull-side battery 130 and the crane-side battery 230) are charged with regenerative electric power that is generated in the hoisting motor 220A to perform the lowering operation.
  • a grabbing operation for grabbing a cargo by the bucket (or an operation for hooking a cargo by the hook 216) is performed.
  • the hoisting motor 220A is driven to perform the hoisting operation. In so doing, the crane-side battery 230 discharges to supply electric power to the hoisting motor 220A.
  • the luffing motor 220B is driven to perform the luffing [up] operation.
  • the crane-side battery 230 discharges to supply electric power to the luffing motor 220B, and thereafter the hull-side battery 130 discharges to supply electric power to the luffing motor 220B.
  • the slewing operation is performed during or after the luffing operation.
  • the hull-side battery 130 discharges to supply electric power to the luffing motor 220B and/or the slewing motor 220C.
  • the both batteries (the hull-side battery 130 and the crane-side battery 230) are charged with the regenerative electric power that is generated in the luffing motor 220B to perform the luffing [down] operation.
  • the both batteries (the hull-side battery 130 and the crane-side battery 230) are charged with the regenerative electric power that is generated in the hoisting motor 220A to perform the lowering operation.
  • the crane apparatus 10 of the present embodiment is operated in accordance with the fluctuating electric power demand of the electric deck crane 210. Specifically, the electric power is supplied (discharged) from the hull-side battery 130 to the electric deck crane 210 when the electric power demand thereof exceeds the amount of electric power supply, and the electric power is stored (charged) in the hull-side battery 130 when the electric power demand of the electric deck crane 210 is below the amount of electric power supply.
  • discharge and charge are switched once or twice.
  • each of the motors instantaneously (for 1 to 2 seconds) requires several to ten times as much electric power as the electric power required during steady rotation.
  • This instantaneous electric power demand occurs once or twice during a single cargo handling cycle.
  • This instantaneous electric power demand is supplied (discharged) from the crane-side battery 230.
  • the regenerative electric power that is generated by the reverse rotation (lowering, etc.) of the hoisting/luffing motors 220A and 220B during a cargo handling cycle is charged to the crane-side battery 230.
  • the crane-side system 200 is characterized in responding to an instantaneous electric power demand, and the hull-side system 100 is characterized in balancing the electric power demand relatively gently. Therefore, it is preferred that a rapid charge/discharge compatible battery be used for the crane-side battery 230, that a capacity storage battery be used for the hull-side battery 130, and that the charge/discharge timing be employed in accordance with the characteristics of said batteries.
  • balancing of all the electric power supply/demand is controlled by the hull-side control unit 140 and the crane-side control unit 240, and the crane apparatus 10 can be operated at a constant generator output, improving the fuel efficiency.
  • the generators 110 make no load fluctuations, thereby achieving fuel saving.
  • Another advantage is that, even when performing cargo handling with the electric power received from the outside, the amount of the electric power received can be reduced.
  • cost reduction, energy saving, reduction of the environmental burden and the like can be accomplished by utilizing the batteries. Specifically, the following are achieved:
  • the present invention can favorably be applied to a crane apparatus for a ship equipped with an electric deck crane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP19950253.5A 2019-10-31 2019-10-31 Kranvorrichtung für schiffe Pending EP4053067A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/042956 WO2021084726A1 (ja) 2019-10-31 2019-10-31 船舶用のクレーン装置

Publications (2)

Publication Number Publication Date
EP4053067A1 true EP4053067A1 (de) 2022-09-07
EP4053067A4 EP4053067A4 (de) 2023-09-06

Family

ID=75714960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950253.5A Pending EP4053067A4 (de) 2019-10-31 2019-10-31 Kranvorrichtung für schiffe

Country Status (3)

Country Link
EP (1) EP4053067A4 (de)
JP (1) JPWO2021084726A1 (de)
WO (1) WO2021084726A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL441252A1 (pl) * 2022-05-23 2023-11-27 Uniwersytet Technologiczno-Humanistyczny Im. Kazimierza Pułaskiego Mobilne urządzenie chwytające do transportowania kontenerów wyposażone w układ wytwarzania energii elektrycznej oraz zintegrowane z suwnicą

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3087951B2 (ja) * 1996-04-17 2000-09-18 日立建機株式会社 建設機械の梯子装置
JP2008081054A (ja) * 2006-09-28 2008-04-10 Tsuji Sangyo Kk 船舶の電力供給システム
JP4402678B2 (ja) * 2006-11-17 2010-01-20 辻産業株式会社 制御装置
JP2009242088A (ja) * 2008-03-31 2009-10-22 Mitsui Eng & Shipbuild Co Ltd クレーン装置
JP2010006591A (ja) * 2008-06-30 2010-01-14 Sekigahara Seisakusho:Kk 船舶用クレーン装置
JP5448590B2 (ja) 2009-06-15 2014-03-19 三菱重工業株式会社 デッキクレーン
JP5615111B2 (ja) * 2010-09-17 2014-10-29 三菱重工業株式会社 蓄電システム及び船舶
JP5837403B2 (ja) * 2011-11-18 2015-12-24 東亜建設工業株式会社 クレーン装置
KR101821028B1 (ko) * 2013-05-10 2018-01-22 미츠비시 쥬고 기카이 시스템 가부시키가이샤 크레인의 제어장치
NL2017776B1 (en) * 2016-11-11 2018-05-24 Itrec Bv Marine crane vessel and method of operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL441252A1 (pl) * 2022-05-23 2023-11-27 Uniwersytet Technologiczno-Humanistyczny Im. Kazimierza Pułaskiego Mobilne urządzenie chwytające do transportowania kontenerów wyposażone w układ wytwarzania energii elektrycznej oraz zintegrowane z suwnicą

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Publication number Publication date
JPWO2021084726A1 (de) 2021-05-06
EP4053067A4 (de) 2023-09-06
WO2021084726A1 (ja) 2021-05-06

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