KR101644500B1 - Floating structure - Google Patents
Floating structure Download PDFInfo
- Publication number
- KR101644500B1 KR101644500B1 KR1020140096330A KR20140096330A KR101644500B1 KR 101644500 B1 KR101644500 B1 KR 101644500B1 KR 1020140096330 A KR1020140096330 A KR 1020140096330A KR 20140096330 A KR20140096330 A KR 20140096330A KR 101644500 B1 KR101644500 B1 KR 101644500B1
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- KR
- South Korea
- Prior art keywords
- leg
- unit
- legs
- inspection unit
- inspection
- Prior art date
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
Abstract
The present invention relates to a floating structure.
According to an aspect of the present invention, there is provided a body having a leg well, A leg passing through the leg well in an up and down direction and including a rack gear and a cord; And an inspection unit for checking whether the legs are damaged while moving in the longitudinal direction of the legs.
Description
The present invention relates to a floating structure.
Floating structures such as Jack-up Platform, Mobile Offshore Drilling Unit (MODU), Wind Turbine Installation Vessel (WTIV), etc., are in Transit Mode and Jack-up Mode Can be operated.
Specifically, the floating structure moves to the sailing mode to the drilling point or installation point for drilling or installation of marine facilities. In sailing mode, the legs can be moved upward to reduce resistance by seawater. The floating structure is then switched to the jack-up mode, the legs are lowered into the sea bed, and then the body is lifted along the legs so that the body is spaced a certain distance from the sea level. When the main body reaches a certain position, the floating structure stops moving the main body and performs the drilling or installation work. When the work is completed, the main body moves in the reverse order to the next destination point.
However, the above-described conventional techniques have the following problems.
The floating structure performs the work to be accomplished with the main body being separated from the sea surface for a predetermined time. While the body of the floating structure is spaced apart from the sea surface, a portion of the leg is submerged in water for an extended period of time. In the meantime, corrosion may occur due to seawater in the legs. In particular, cracks are likely to occur at the welded portions of the legs, and there is a risk that the legs will be broken if left untouched. However, in the past, there has been a problem that legged legs are left untouched because no equipment is provided to check whether the legs are damaged.
In addition, foreign matter, such as a barnacle, clams and the like, can be attached to the legs. Such foreign matter acts as a load increasing factor of the legs when lifting the legs, thereby imposing a load on the operating system of the legs, Corrosion of the steel.
Embodiments of the present invention provide a floating structure that can detect whether a leg is damaged.
It is also intended to provide a floating structure capable of removing foreign matter adhering to the legs.
According to an aspect of the present invention, there is provided a body having a leg well, A leg passing through the leg well in an up and down direction and including a rack gear and a cord; And an inspection unit for checking whether the legs are damaged while moving in the longitudinal direction of the legs.
The inspection unit may further include: a conveying unit for engaging with the rack gear to convey the body of the inspection unit in the longitudinal direction of the leg; And an inspection unit mounted on the body and detecting whether the legs are damaged.
The inspection unit may further include an irradiator for irradiating the leg with light; A light receiving unit for receiving the light reflected from the legs and returning; A reading unit for reading the damage of the leg according to an angle of the returning light; And a photographing portion for photographing the damaged portion when the leg is damaged as a result of reading the reading portion.
In addition, the inspection unit may be provided with a floating structure including a foreign matter removing unit for removing foreign matter adhering to the rack gear.
The foreign matter removing unit may include a supporting base mounted on the body of the inspection unit and a brush contacting the rack gear, and the supporting base may be provided with a floating structure including an actuator vibrating in a vertical direction.
Embodiments of the present invention can provide a floating structure capable of detecting whether a leg is damaged or not, while at the same time removing foreign matter adhering to the leg.
1 is a schematic view of a floating structure according to an aspect of the present invention.
FIG. 2 is a view showing a jack-up state of the floating structure of FIG. 1; FIG.
3 is an enlarged view for explaining a cross-sectional view of the leg well shown in FIG. 2 and the arrangement relationship of the inspection units.
4 is a view showing a coupling structure of the rack gear and the inspection unit shown in FIG.
Fig. 5 is a view showing a structure in which the inspection unit shown in Fig. 4 is engaged with a rack gear and is lifted and lowered.
6 is a view showing the control relationship of the elevating portion, the inspection portion and the control portion of the floating structure of FIG.
FIG. 7 is a view showing how light irradiated from the inspection unit shown in FIG. 4 is reflected at the inspection point.
Hereinafter, specific embodiments for implementing the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the subject matter of the present invention.
FIG. 1 is a view schematically showing a
1 to 3, a
The
The
The
When the
The
The vertical movement of the
Although the
Fig. 4 is a view showing a combined structure of the
4 to 7, a body of the
The
Although not shown, the
The
The
The
The
The
The
However, the
The
The foreign
The foreign
Although not shown, an actuator or the like that can vibrate in the up-and-down direction may be mounted on the support table 142. In this case, the foreign matter removal effect may be increased as the
Hereinafter, the operation and effect of the floating
The floating
When the
The
At this time, as shown in FIG. 7, the light reflected from the damaged point W1 is refracted at various angles and has an angle different from the angle of reflected light from the inspection point W without damage. Therefore, the
The foreign
It is to be understood that the embodiments described above are merely illustrative of some examples of the technical idea and the scope of the technical idea is not limited to the described embodiments, It will be understood that various changes, substitutions, and alterations may be made therein without departing from the spirit and scope of the invention.
1: Floating structure 10: Body
20: Leg 21: Rack gear
22: Code 30: Leg guide portion
50: leg well 100: inspection unit
110: body 120:
121: pin rack 130:
131: illuminator 132: receiver
133: reader 134: camera
140: Foreign object removing unit 141: Brush
142: Support
Claims (5)
A leg passing through the leg well in an up and down direction and including a rack gear and a cord; And
And an inspection unit for checking whether the legs are damaged while moving in the longitudinal direction of the legs,
The inspection unit includes:
And an inspection unit mounted on a body of the inspection unit and detecting whether the leg is damaged,
Wherein,
An irradiation unit for irradiating the legs with light;
A light receiving unit that receives the light reflected from the legs and returns;
A reading unit for reading the damage of the leg according to an angle of the returning light; And
And a photographing part photographing the damaged part when the leg is damaged as a result of the reading of the reading part.
The inspection unit includes:
And a transfer unit for engaging with the rack gear to transfer the body of the inspection unit in the longitudinal direction of the leg.
The inspection unit includes:
And a foreign matter removing unit for removing foreign matters adhering to the legs.
The foreign-
A supporting unit mounted on the body of the inspection unit, and a brush installed on the supporting unit and contacting the legs, wherein the supporting unit includes an actuator vibrating in a vertical direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140096330A KR101644500B1 (en) | 2014-07-29 | 2014-07-29 | Floating structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140096330A KR101644500B1 (en) | 2014-07-29 | 2014-07-29 | Floating structure |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160014290A KR20160014290A (en) | 2016-02-11 |
KR101644500B1 true KR101644500B1 (en) | 2016-08-10 |
Family
ID=55351526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020140096330A KR101644500B1 (en) | 2014-07-29 | 2014-07-29 | Floating structure |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101644500B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101884843B1 (en) * | 2017-03-30 | 2018-08-02 | 삼성중공업 주식회사 | Leg maintenance apparatus and the ship comprising the same |
KR102427177B1 (en) * | 2018-09-18 | 2022-07-29 | 삼성중공업 주식회사 | Apparatus for removing foreign matter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101231910B1 (en) * | 2011-07-13 | 2013-02-08 | 한국전력기술 주식회사 | Inspecting apparatus for pipelines and inspecting method using the same |
KR101422238B1 (en) * | 2012-06-29 | 2014-07-22 | 삼성중공업 주식회사 | Floating structure |
KR101434572B1 (en) * | 2012-06-29 | 2014-08-27 | 삼성중공업 주식회사 | Floating structure with cleaning apparatus |
KR101422227B1 (en) | 2012-07-09 | 2014-07-24 | 삼성중공업 주식회사 | Floating structure |
-
2014
- 2014-07-29 KR KR1020140096330A patent/KR101644500B1/en active IP Right Grant
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Publication number | Publication date |
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KR20160014290A (en) | 2016-02-11 |
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