SG170659A1 - Foldable derrick structure for ships - Google Patents

Foldable derrick structure for ships

Info

Publication number
SG170659A1
SG170659A1 SG201001788-7A SG2010017887A SG170659A1 SG 170659 A1 SG170659 A1 SG 170659A1 SG 2010017887 A SG2010017887 A SG 2010017887A SG 170659 A1 SG170659 A1 SG 170659A1
Authority
SG
Singapore
Prior art keywords
derrick
ship
derrick element
elements
hydraulic cylinder
Prior art date
Application number
SG201001788-7A
Inventor
Soo Ho Lee
Joon O Park
Jae Ryu Bae
Original Assignee
Daewoo Shipbuilding & Marine
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 Daewoo Shipbuilding & Marine filed Critical Daewoo Shipbuilding & Marine
Publication of SG170659A1 publication Critical patent/SG170659A1/en

Links

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The present disclosure relates to a that allows a ship to pass a sea route with an air draft limit by folding the derrick, thereby enabling reduction in time and cost for navigation of the ship. The derrick structure includes a derrick including an upper derrick element vertically divided into first and second derrick elements, a lower derrick element, and a hinge coupler rotatably coupling the upper derrick element to the lower derrick element; a first hydraulic cylinder provided to the first derrick element; and a second hydraulic cylinder provided to the second derrick element. The first and second derrick elements are driven by the first and second hydraulic cylinders to be rotated and folded about the hinge coupler in opposite directions with respect to the lower derrick element secured to and supported by a ship. FIG. 4C
SG201001788-7A 2009-10-20 2010-03-15 Foldable derrick structure for ships SG170659A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090099782A KR101137400B1 (en) 2009-10-20 2009-10-20 Foldable derrick structure for a ship

Publications (1)

Publication Number Publication Date
SG170659A1 true SG170659A1 (en) 2011-05-30

Family

ID=41814371

Family Applications (1)

Application Number Title Priority Date Filing Date
SG201001788-7A SG170659A1 (en) 2009-10-20 2010-03-15 Foldable derrick structure for ships

Country Status (4)

Country Link
KR (1) KR101137400B1 (en)
CN (1) CN102039987B (en)
BR (1) BRPI1002595A2 (en)
SG (1) SG170659A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101299868B1 (en) * 2011-12-29 2013-08-23 현대중공업 주식회사 Drillship having double derrick
KR101346227B1 (en) * 2012-06-28 2014-01-16 삼성중공업 주식회사 Floating structure
KR101378990B1 (en) * 2012-06-28 2014-04-02 삼성중공업 주식회사 Floating structure
KR101368885B1 (en) * 2012-06-28 2014-03-04 삼성중공업 주식회사 Floating structure
KR101368887B1 (en) * 2012-06-28 2014-03-04 삼성중공업 주식회사 Floating structure and control method thereof
KR101346225B1 (en) * 2012-06-28 2014-01-10 삼성중공업 주식회사 Floating structure
KR101368888B1 (en) * 2012-06-28 2014-03-04 삼성중공업 주식회사 Floating structure
NL2018544B1 (en) * 2017-03-17 2018-09-24 Hermitage Family Office Sarl Collapsible mast of a yacht

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295270A (en) * 1964-11-05 1967-01-03 Moore Corp Lee C Folded oil well mast structure
US3851770A (en) * 1973-04-30 1974-12-03 Moore L Pivoted well drilling mast and separate tower
US4109800A (en) * 1973-10-10 1978-08-29 Bj-Hughes Inc. Multi-stage well-drilling mast assembly
SU1379443A1 (en) * 1986-04-09 1988-03-07 НоК,Зам тин Self-propelled drilling rig
US4759414A (en) * 1986-04-25 1988-07-26 W-N Apache Corporation Modular drilling machine and components thereof
US4837992A (en) * 1987-10-13 1989-06-13 Branham Industries, Inc. Folded/telescoped drill rig mast for limited space platform
JP3332692B2 (en) * 1995-10-12 2002-10-07 三菱重工業株式会社 Elevated shear device for sand piles
US6068066A (en) * 1998-08-20 2000-05-30 Byrt; Harry F. Hydraulic drilling rig

Also Published As

Publication number Publication date
CN102039987A (en) 2011-05-04
CN102039987B (en) 2013-09-18
KR101137400B1 (en) 2012-04-20
BRPI1002595A2 (en) 2012-02-07
KR20100004899A (en) 2010-01-13

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