CN106245617B - A kind of offshore jackup platform system - Google Patents
A kind of offshore jackup platform system Download PDFInfo
- Publication number
- CN106245617B CN106245617B CN201610600992.0A CN201610600992A CN106245617B CN 106245617 B CN106245617 B CN 106245617B CN 201610600992 A CN201610600992 A CN 201610600992A CN 106245617 B CN106245617 B CN 106245617B
- Authority
- CN
- China
- Prior art keywords
- hole section
- trap
- spud leg
- accommodating
- platform
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The present invention relates to ocean operation technical fields, more particularly to a kind of offshore jackup platform system.Offshore jackup platform system includes platform and the spud leg for being used to support the platform, further include be installed on the platform enclose trap, the trap that encloses includes the limit hole section for radially limiting to the spud leg, it and include accommodating hole section for accommodating the spud leg deflection deformation, the limit hole section and the accommodating hole section are coaxial, and the limit hole section is set to the longitudinal end for enclosing trap, the accommodating hole section is set to the longitudinal inside for enclosing trap, and the outer diameter of the accommodating hole section is greater than the internal diameter of the limit hole section.It is arranged through the above structure, while limiting hole section to spud leg progress radial position limit, the local deflection deformation that accommodating hole section generates spud leg because of stress accommodates, it avoids local deformation structure and encloses trap offseting extruding, thus, the durability of this offshore jackup platform system is improved, and simultaneous faults rate is reduced.
Description
Technical field
The present invention relates to ocean operation technical fields, more particularly to a kind of offshore jackup platform system.
Background technique
With the continuous development for ocean development, various devices are generalized application, usually need during ocean development
To apply offshore jackup platform system.
Currently, the requirement for durability and reduction failure rate etc. in offshore jackup platform system application process is got over
Come it is higher, therefore, improve durability, while reduce failure rate become offshore jackup platform system design object.
In the prior art, offshore jackup platform system needs to carry out in application process on-demand descending operation, and lifting is flat
Platform is on the basis of spud leg supports, additionally it is possible to carry out vertical position lifting conversion along spud leg, during this, due to spud leg and
It in the fit structure of hoistable platform, both needs to keep the dimensional accuracy of integrated structure, while also needing to bless in lifting process
Certain gap is to guarantee going on smoothly for relative motion, which results in lifting process, because gap setting is too small, in part
In the state of bending deformation, the state of relative friction and the limit that offsets occurs between structure, this will affect offshore jackup platform system
Durability easily cause the damage and wear of components excessive, cause the generation of failure while in the state of long-time service.
Above in the prior art, the defects of durability of offshore jackup platform system is low and high failure rate is this field
Technical staff's technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of offshore jackup platform systems, and application through the invention will significantly improve sea
The durability of lifting platform system, while reducing failure rate.
In order to solve the above technical problems, the present invention provides a kind of offshore jackup platform system, including platform and it is used to support
The spud leg of the platform further includes the trap that encloses for being installed on the platform, and the trap that encloses includes for radially limiting to the spud leg
Limit hole section, and include the accommodating hole section for accommodating the spud leg deflection deformation, the limit hole section and the accommodating
Hole section is coaxial, and the limit hole section is set to the longitudinal end for enclosing trap, and the accommodating hole section is set to the longitudinal direction for enclosing trap
Inside, the internal diameter of the accommodating hole section are greater than the internal diameter of the limit hole section.
Optionally, the limit hole section, the accommodating hole are respectively equipped on the longitudinal top for enclosing trap and longitudinal bottom end
Section is set between the limit hole section at both ends.
Optionally, the trap that encloses further includes the pasting board on the inside of the limit hole section, and the trap that encloses passes through the pasting board
Constitute the limit hole section.
Optionally, the pasting board can releasably be installed on the inside for enclosing trap.
In an embodiment about offshore jackup platform system, offshore jackup platform system includes platform, is used for
The spud leg of support platform is equipped on platform and encloses trap, spud leg embedded in enclosing in trap, and enclose be able to maintain between trap and spud leg it is nested
The axial relative movement of the generation of structural relation, since spud leg is fixed on sub-sea location, then this opposite movement is just real
The lifting moving of platform is showed.In present embodiment, enclosing trap includes the limit hole section for radially being limited to spud leg, and
Including the accommodating hole section for accommodating spud leg deflection deformation, limits hole section and accommodating hole section is coaxial, and limit hole section and be set to and enclose trap
Longitudinal end, accommodating hole section, which is set to, encloses the longitudinal internal of trap, and the internal diameter for limiting hole section is less than the internal diameter of accommodating hole section.By with
Upper structure setting, spud leg are limited hole section limitation radial displacement or flip angle embedded in enclosing in trap, this enables spud leg
Keep it consistent with the axial direction for enclosing trap, at the same time, due to the gravity of spud leg itself and the gravity of spud leg support platform,
So that pile leg structure is also easy to produce local deflection deformation, this deflection deformation will likely carry out spud leg vertical opposite in enclosing trap
The mobile effect for generating friction and hindering, and in present embodiment, hole section is accommodated by setting, because the internal diameter of accommodating hole section is greater than limit
The internal diameter of position hole section makes as a result, on the basis of the longitudinal end for enclosing trap is provided with limit hole section to limit spud leg radial position
Obtaining the local deflection deformation that spud leg is generated by stress can be accommodated by the relatively large accommodating hole section of internal diameter, that is to say, that
The offset partial structurtes of deflection deformation can be contained in the biggish space in inside of accommodating hole section, this makes in accommodating hole section
In space, though spud leg has local deformation, and do not offset with the accommodating hole section recurring structure that encloses trap, this is enclosing trap in spud leg
It is interior, it is vertically moved relative to trap is enclosed, will avoid enclosing trap inner wall and caused due to the spud leg with deflection deformation offsets extruding
Movement be obstructed, also avoid the generation of fretting wear.So the offshore jackup platform system that present embodiment provides can
It is happier in lifting process, the durability of offshore jackup platform system is significantly improved, while reducing and leading because of friction damage
The failure rate of cause.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the application structure general illustration；
Fig. 2 is the application structure partial cross-sectional view；
In Fig. 1 and Fig. 2: platform -1, spud leg -2 enclose trap -3, limit hole section -31, accommodating hole section -32, pasting board -4.
Specific embodiment
Core of the invention is to provide a kind of offshore jackup platform system, and application through the invention will significantly improve sea
The durability of lifting platform system, while reducing failure rate.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the application structure general illustration；Fig. 2 is the application structure partial cross-sectional view.
According to as shown in the figure, offshore jackup platform system includes platform 1, the spud leg 2 for being used to support platform 1 and is installed on flat
Platform 1 encloses trap 3, and enclosing trap 3 includes the limit hole section 31 for radially limiting to spud leg 2, and including for accommodating 2 amount of deflection of spud leg
The accommodating hole section 32 of deformation, limit hole section 31 and accommodating hole section 32 are coaxial, and limit hole section 31 and be set to the longitudinal end for enclosing trap 3,
Accommodating hole section 32, which is set to, encloses the longitudinal internal of trap 3, and the internal diameter of accommodating hole section 32 is greater than the internal diameter of limit hole section 31.Thus it is arranged,
Spud leg 2 is in being embedded in the nested structure for enclosing trap 3, the setting of the limit hole section 31 by enclosing 3 longitudinal end of trap, so that limit hole section
31 can abut the corresponding position of spud leg 2, limit radial deflection to spud leg 2, meanwhile, in the caliper zones for enclosing trap 3
In domain, that is, in the vertical structure of enclosing trap 2, by setting accommodating hole section 32 inside longitudinal direction, so that spud leg 2 is sent out because carrying stress
Raw local deflection deformation can be accommodated by accommodating hole section 32, and specific structure is, because of local deflection deformation, spud leg 2 is towards diameter
To the protrusion that part occurs, inner wall of the bending part of this protrusion not with accommodating hole section 32 offsets extruding, but due to appearance
The internal diameter for setting hole section 32 is greater than the internal diameter of limit hole section 31, so that accommodating hole section 32 radially has more accommodating spaces, this
More accommodating spaces can be avoided the inner wall of the structure division protruded because spud leg 2 is deformed to radially bending and accommodating hole section 32
Extruding is offseted, which means that when enclosing synchronous with the platform 1 progress lifting moving of trap 3, especially in the state for originating movement
Under, the spud leg 2 for accommodating the deflection deformation in hole section 32 is not affected by the extruding of accommodating 32 inner wall of hole section, and can move freely, by
This, necessarily makes offshore jackup platform system in application process, and especially durability during 1 lifting moving of platform obtains
It significantly improves, while reducing because of accident rate caused by wearing.
On the basis of the above embodiments, the longitudinal top for enclosing trap 3 and longitudinal bottom end is further specifically located to set respectively
There is limit hole section 31, hole section 32 will be accommodated and be set between the limit hole section 31 at both ends.In the present embodiment, two in Applied Physics rule
Point determines the principle of straight line, the limit hole section 31 radially limited for spud leg 2 is being respectively set up and down, then longitudinal position of spud leg 2
Setting just realizes determination, and the accommodating hole section 32 at middle part is used to accommodate the deflection deformation of spud leg 2, this is in 1 He of platform
The freedom of movement during 3 lifting moving of trap is enclosed, and the vertical posture of spud leg 2 under the stationary state of position is all protected
Barrier, further improves durability.
In another embodiment, setting further includes the pasting board 4 set on 31 inside of limit hole section, constitutes limit hole by pasting board 4
The limit space of section 31 is realized and is limited to the radial direction of spud leg 2.In spud leg 2 and in the state of enclose trap 3 and relatively moved for a long time,
Pasting board 4 for limit is gradually worn, then in the state of 4 attrition of pasting board, avoids spud leg 2 for enclosing trap 3
The abrasion of other structures in hole section 31 is limited, meanwhile, it, can be by the way that new pasting board 4 be arranged in the state of 4 wears of pasting board
And continue to use, this makes durability be further enhanced.
Further, setting pasting board 4 can releasably be mounted on the inside for enclosing trap 3, then in the service failure for some reason of pasting board 4
, can be by the pasting board 4 that disassembly more renews under state, this spud leg 2 be at position accurately to limit posture, into one
Step reduces the failure rate of offshore jackup platform system entirety.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (4)
1. a kind of offshore jackup platform system, including platform and the spud leg for being used to support the platform, which is characterized in that further include
It is installed on the trap that encloses of the platform, the trap that encloses includes the limit hole section for radially limiting to the spud leg, and including using
In the accommodating hole section for accommodating the spud leg deflection deformation, the limit hole section and the accommodating hole section are coaxial, and the limit hole
For section set on the longitudinal end for enclosing trap, the hole section that accommodates is internal set on the longitudinal direction for enclosing trap, described to accommodate the interior of hole section
Diameter is greater than the internal diameter of the limit hole section.
2. offshore jackup platform system as described in claim 1, which is characterized in that on the longitudinal top and longitudinal direction for enclosing trap
Bottom end is respectively equipped with the limit hole section, and the accommodating hole section is set between the limit hole section at both ends.
3. offshore jackup platform system as claimed in claim 1 or 2, which is characterized in that the trap that encloses further includes set on described
The pasting board on the inside of hole section is limited, the trap that encloses passes through the pasting board composition limit hole section.
4. offshore jackup platform system as claimed in claim 3, which is characterized in that the pasting board can releasably be installed on institute
State the inside for enclosing trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600992.0A CN106245617B (en) | 2016-07-27 | 2016-07-27 | A kind of offshore jackup platform system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600992.0A CN106245617B (en) | 2016-07-27 | 2016-07-27 | A kind of offshore jackup platform system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106245617A CN106245617A (en) | 2016-12-21 |
| CN106245617B true CN106245617B (en) | 2019-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600992.0A Expired - Fee Related CN106245617B (en) | 2016-07-27 | 2016-07-27 | A kind of offshore jackup platform system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106245617B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2865484A1 (en) * | 2004-01-28 | 2005-07-29 | Technip France | Structure for dismantling and transporting a fixed offshore oil platform with a U-shaped floating hull mounted on at least three lifting legs carrying a shuttle to move the hull along the legs |
| CN202202313U (en) * | 2011-08-04 | 2012-04-25 | 上海航盛船舶设计有限公司 | Lifting platform |
| CN203890992U (en) * | 2014-06-18 | 2014-10-22 | 江苏海上龙源风力发电有限公司 | Gear-rack-type lifting system for offshore wind turbine installation |
| CN104192272A (en) * | 2014-08-11 | 2014-12-10 | 中国石油大学(华东) | Self-propelled and self-elevating wind power transportation and installation ship and installing method of wind turbine units |
| CN204238203U (en) * | 2014-11-20 | 2015-04-01 | 张敬泉 | A kind of oil marine drilling platform |
-
2016
- 2016-07-27 CN CN201610600992.0A patent/CN106245617B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2865484A1 (en) * | 2004-01-28 | 2005-07-29 | Technip France | Structure for dismantling and transporting a fixed offshore oil platform with a U-shaped floating hull mounted on at least three lifting legs carrying a shuttle to move the hull along the legs |
| CN202202313U (en) * | 2011-08-04 | 2012-04-25 | 上海航盛船舶设计有限公司 | Lifting platform |
| CN203890992U (en) * | 2014-06-18 | 2014-10-22 | 江苏海上龙源风力发电有限公司 | Gear-rack-type lifting system for offshore wind turbine installation |
| CN104192272A (en) * | 2014-08-11 | 2014-12-10 | 中国石油大学(华东) | Self-propelled and self-elevating wind power transportation and installation ship and installing method of wind turbine units |
| CN204238203U (en) * | 2014-11-20 | 2015-04-01 | 张敬泉 | A kind of oil marine drilling platform |
Non-Patent Citations (1)
| Title |
|---|
| 自升式钻井平台结构设计与有限元分析;王涛等;《船舶设计通讯》;20140930;第76-78页第3.1-3.3节 |
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| Publication number | Publication date |
|---|---|
| CN106245617A (en) | 2016-12-21 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |