WO2015140389A1 - Lashing bridge for a cargo ship - Google Patents

Lashing bridge for a cargo ship Download PDF

Info

Publication number
WO2015140389A1
WO2015140389A1 PCT/FI2014/050232 FI2014050232W WO2015140389A1 WO 2015140389 A1 WO2015140389 A1 WO 2015140389A1 FI 2014050232 W FI2014050232 W FI 2014050232W WO 2015140389 A1 WO2015140389 A1 WO 2015140389A1
Authority
WO
WIPO (PCT)
Prior art keywords
lashing bridge
vibration
mass
lashing
damping
Prior art date
Application number
PCT/FI2014/050232
Other languages
English (en)
French (fr)
Inventor
Heikki UNKURI
Original Assignee
Macgregor Finland Oy
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 Macgregor Finland Oy filed Critical Macgregor Finland Oy
Priority to CN201480077344.0A priority Critical patent/CN106458297B/zh
Priority to JP2016557234A priority patent/JP6376222B2/ja
Publication of WO2015140389A1 publication Critical patent/WO2015140389A1/en

Links

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
    • B63B25/24—Means for preventing unwanted cargo movement, e.g. dunnage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J99/00—Subject matter not provided for in other groups of this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted
    • F16F7/112—Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on fluid springs

Definitions

  • a lashing bridge is a support framework to be installed on the deck of a cargo ship intended for transporting containers, to which framework lashing bars to be used for supporting the containers are fixed.
  • Lashing bridges are typically disposed in the transverse direction of the hull of the ship, extending from one side of the ship to the other. Since the lashing bridges are narrow and high in structure, the vibration of the hull caused by the running of the engine of the ship and by the rotation of the propeller might cause strength problems and vibration problems in the structures of lashing bridges. As a result of a vibration damper, detrimental vibration of a lashing bridge can be damped, and the structures of the lashing bridge can be made to be more lightweight. Vibration dampers that are known in the art are separately installable support structures or damping structures, which are connected to a lashing bridge and also to e.g . a hatch cover. At the same time they obstruct or impede the transportation of containers.
  • Fig. 1 presents a lashing bridge and a stack of containers, with two lashing bars connected.
  • Fig. 2 presents a lashing bridge and a stack of containers, as viewed from the side, in a situation in which a vibration damper has been connected to the lashing bridge.
  • Fig. 4 presents schematic diagram of the functional components of a vibration damper.
  • Lashing bridges 1 are disposed on the weather deck of a cargo ship typically in the transverse direction of the ship, and the containers/container stacks 7 are disposed between the lashing bridges in such a way that the lashing bars 8 of the containers can be fixed between the containers and the lashing bridge.
  • Figs. 2 and 3 present vibration dampers 2 fastened to a lashing bridge.
  • a vibration damper 2 is typically fastened to the top part of a lashing bridge, but other locations are possible.
  • the lashing bridge 1 vibrates at its natural frequency as an effect of the excitation vibration coming from the structures of the ship, the mass of the vibration damper 2 starts to vibrate in different phases, in which case the vibration of the lashing bridge 1 is not able to grow to be detrimentally large in its speed and amplitude.
  • Fig. 4 presents in more detail one way of implementing a vibration damper according to the invention.
  • the mass element 3 in a vibration damper 2 can be e.g . 100-1000 kg in size, depending on, inter alia, the vibration properties of the lashing bridge 1.
  • the flexible element 5 can be linear in its function, in which case the spring force is determined as a function of the compression (deformation) of the spring (e.g. a helical spring) - or the flexible element can be non-linear in its function, in which case e.g. the speed of compression (deformation) of the spring affects the magnitude of the spring force.
  • the damping element 4 can be e.g. a liquid-filled or gas-filled shock absorber. Also the friction between vibrating (moving) and stationary structures can function as a damping factor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Bridges Or Land Bridges (AREA)
PCT/FI2014/050232 2014-03-20 2014-04-01 Lashing bridge for a cargo ship WO2015140389A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480077344.0A CN106458297B (zh) 2014-03-20 2014-04-01 用于货船的绑扎桥
JP2016557234A JP6376222B2 (ja) 2014-03-20 2014-04-01 貨物船用ラッシングブリッジ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145260A FI126556B (fi) 2014-03-20 2014-03-20 Rahtilaivan surraussilta
FI20145260 2014-03-20

Publications (1)

Publication Number Publication Date
WO2015140389A1 true WO2015140389A1 (en) 2015-09-24

Family

ID=54143792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2014/050232 WO2015140389A1 (en) 2014-03-20 2014-04-01 Lashing bridge for a cargo ship

Country Status (6)

Country Link
JP (1) JP6376222B2 (ko)
KR (1) KR102181602B1 (ko)
CN (1) CN106458297B (ko)
FI (1) FI126556B (ko)
TW (1) TWI633037B (ko)
WO (1) WO2015140389A1 (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108177729A (zh) * 2017-12-25 2018-06-19 沪东中华造船(集团)有限公司 一种集装箱船绑扎桥总段正态总组方法
GB2562105A (en) * 2017-05-05 2018-11-07 Ap Moeller Maersk As Container accessory
WO2020187174A1 (zh) * 2019-03-19 2020-09-24 南京优耐特船舶配套有限公司 一种改进型船用集装箱绑扎系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109263792B (zh) * 2018-07-24 2020-04-21 上海江南长兴造船有限责任公司 一种大型集装箱船绑扎桥总段在船上正态移位的方法
CN110043592A (zh) * 2019-03-19 2019-07-23 上海大学 一种使用黏弹性阻尼器的非线性消振器
CN112623111B (zh) * 2021-01-20 2021-12-07 江苏扬子鑫福造船有限公司 一种基于集装箱船的绑扎桥底座减震装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3052440A (en) * 1959-10-22 1962-09-04 Myron J Bauer Absorber vibration system for empty missile tray
GB2261490A (en) * 1991-11-07 1993-05-19 Orian Technology Ltd Ship's hull vibration damper
KR20130115633A (ko) * 2012-04-12 2013-10-22 현대중공업 주식회사 무게중심 변경을 위한 래싱 브리지

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CN87100111A (zh) * 1987-10-09 1988-08-10 日本钢管株式会社 动力消(吸)振器
JPH062736A (ja) * 1992-06-19 1994-01-11 Mitsubishi Heavy Ind Ltd 能動制振装置
JPH06193678A (ja) * 1992-12-21 1994-07-15 Mitsubishi Heavy Ind Ltd 動吸振装置
JP4002899B2 (ja) * 2004-02-24 2007-11-07 敦史 奥村 重層形振動遮断接続機構
KR100829489B1 (ko) * 2006-10-27 2008-05-19 삼성중공업 주식회사 모듈형 동조질량감쇠기
US8378504B2 (en) 2008-06-30 2013-02-19 Intel Corporation Microelectronic package with self-heating interconnect
CN101342933B (zh) * 2008-08-19 2010-09-29 谭业堂 一种船用避震器
GB201001073D0 (en) 2010-01-22 2010-03-10 St George S Healthcare Nhs Trust Methods & Devices for diagnosing cardiac disorders
CN102466932B (zh) 2010-11-08 2015-02-11 北京京东方光电科技有限公司 液晶面板、tft阵列基板及其制造方法
KR20120113365A (ko) * 2011-04-05 2012-10-15 에스티엑스조선해양 주식회사 컨테이너 선박의 라싱 브리지의 방진 구조
KR20130134587A (ko) * 2012-05-31 2013-12-10 현대중공업 주식회사 래싱 브리지의 방진구조
KR101400146B1 (ko) * 2012-08-10 2014-05-27 삼성중공업 주식회사 저진동 컨테이너 지지 장치
KR101372278B1 (ko) * 2012-08-23 2014-03-10 대우조선해양 주식회사 컨테이너선의 래싱 브리지 진동 저감장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3052440A (en) * 1959-10-22 1962-09-04 Myron J Bauer Absorber vibration system for empty missile tray
GB2261490A (en) * 1991-11-07 1993-05-19 Orian Technology Ltd Ship's hull vibration damper
KR20130115633A (ko) * 2012-04-12 2013-10-22 현대중공업 주식회사 무게중심 변경을 위한 래싱 브리지

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2562105A (en) * 2017-05-05 2018-11-07 Ap Moeller Maersk As Container accessory
CN108177729A (zh) * 2017-12-25 2018-06-19 沪东中华造船(集团)有限公司 一种集装箱船绑扎桥总段正态总组方法
WO2020187174A1 (zh) * 2019-03-19 2020-09-24 南京优耐特船舶配套有限公司 一种改进型船用集装箱绑扎系统

Also Published As

Publication number Publication date
CN106458297B (zh) 2019-11-05
CN106458297A (zh) 2017-02-22
TWI633037B (zh) 2018-08-21
JP2017510494A (ja) 2017-04-13
TW201544397A (zh) 2015-12-01
FI20145260A (fi) 2015-09-21
FI126556B (fi) 2017-02-15
KR102181602B1 (ko) 2020-11-20
KR20150110242A (ko) 2015-10-02
JP6376222B2 (ja) 2018-08-22

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