CN211139575U - Permanent mooring device suitable for shallow water environment - Google Patents
Permanent mooring device suitable for shallow water environment Download PDFInfo
- Publication number
- CN211139575U CN211139575U CN201921912686.6U CN201921912686U CN211139575U CN 211139575 U CN211139575 U CN 211139575U CN 201921912686 U CN201921912686 U CN 201921912686U CN 211139575 U CN211139575 U CN 211139575U
- Authority
- CN
- China
- Prior art keywords
- mooring
- eccentric
- buoy
- shallow water
- permanent
- 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.)
- Active
Links
Images
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a permanent mooring device suitable for shallow water environment, including the mooring line of connecting floating platform and eccentric flotation pontoon, on the connection otic placode II of connecting the floating platform bottom side and the connection otic placode I at eccentric flotation pontoon top are fixed in respectively at mooring line both ends, eccentric flotation pontoon is fixed in underwater anchor pile through the universal joint connection under water, and eccentric flotation pontoon lower extreme can be around universal joint free rotation under water, the utility model discloses a buoy under water, mooring chain (cable) combination, through the simple pendulum motion of flotation pontoon under water and the deformation of mooring chain (cable), the horizontal displacement that displacement stack effect compensated floating platform to effectively reduce mooring system's rigidity, realize the permanent mooring under the adverse circumstances of shallow water, simple structure is reliable, investment and operation cost are low, sea area occupation is little, mooring system restoring force characteristic can dispose in a flexible way.
Description
Technical Field
The utility model relates to a field is equipped to ocean engineering and energy, in particular to permanent mooring arrangement suitable for shallow water environment.
Background
In offshore oil and gas development, a floating production and development platform is often required to be moored and positioned in a fixed sea area for a long time to realize continuous operation, for example, in recent years, a floating storage Regas platform (floating storage Regas Unit) is adopted in northern areas of China, a dock special for mooring is used, natural gas fuel is provided for land users, and the problem of natural gas supply shortage in winter in China is effectively solved; in Bohai sea areas of China, a plurality of floating production Storage Offloading units (floating production Storage Offloading units) are also used for long-term service production in a single-point mooring mode; in order to solve the problem of power supply in island regions, floating power station devices are being developed at home and abroad to realize long-term power supply.
In these floating platforms, the permanent mooring device is an indispensable core device, but in shallow sea areas such as offshore areas and island reefs, due to the influence of shallow water effect, the conventional floating platform mooring mode has high system rigidity, and long-term effective mooring is difficult to realize in severe environment; and the single point mooring method is expensive. And finally, only dock facilities can be selected, high-quality dock resources are occupied for a long time, the operation cost is high, and the investment cost of newly-built dock facilities is also high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent mooring arrangement suitable for shallow water environment.
The utility model adopts the technical proposal that:
a permanent mooring arrangement suitable for use in shallow water environments, comprising: the mooring structure comprises a mooring cable for connecting a floating platform and an eccentric buoy, wherein two ends of the mooring cable are respectively fixed on a connecting lug plate II at the bottom side of the floating platform and a connecting lug plate I at the top of the eccentric buoy, the eccentric buoy is connected and fixed on an underwater anchor pile through an underwater universal joint, and the lower end of the eccentric buoy can freely rotate around the underwater universal joint.
The mooring cable is connected with a configuration block.
The mooring cable is connected with a buoyancy unit.
When the eccentric buoy rotates around the underwater universal joint under the action of external force, the gravity and the buoyancy of the eccentric buoy always form restoring moment and are finally converted into restoring force of the mooring device.
The eccentric buoy is completely submerged under water and is sufficiently far from the water surface.
The utility model has the advantages that: the combination of the underwater buoy and the mooring chain (cable) is adopted, and the horizontal displacement of the floating platform is compensated through the simple pendulum motion of the underwater buoy and the superposition effect of deformation and displacement of the mooring chain (cable), so that the rigidity of the mooring system is effectively reduced, the permanent mooring under shallow water severe environment is realized, the structure is simple and reliable, the investment and operation cost is low, the sea area occupied area is small, and the restoring force characteristic of the mooring system can be flexibly configured.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a side view of a first embodiment of the mooring device of the present invention;
FIG. 2 is a schematic diagram of the operation of the eccentric buoy of the present invention;
fig. 3 is a top view of a first implementation of the mooring device of the present invention;
fig. 4 is a side view of a second embodiment of the mooring device of the present invention;
fig. 5 is a side view of a third embodiment of the mooring device of the present invention.
Wherein: 101. a floating platform; 201. a mooring line; 202. connecting the ear plate I; 203. connecting an ear plate II; 301. an eccentric float bowl; 401. an underwater gimbal; 501. anchoring piles; 601. a configuration block; 602. a buoyancy unit.
Detailed Description
The utility model provides a permanent mooring arrangement suitable for shallow water environment, as shown in fig. 1-5, fig. 1, 3 are the utility model discloses a first mode side view, including connecting floating platform 101 and eccentric flotation pontoon 301's mooring line 201, mooring line 201 both ends are fixed in respectively on connecting the lug plate II 203 of floating platform 101 bottom side and the lug plate I202 at eccentric flotation pontoon 301 top, and eccentric flotation pontoon 301 is connected 401 through the universal joint under water and is fixed in underwater anchor pile 501, is fixed in the seabed, and eccentric flotation pontoon 301 lower extreme can be around universal joint 401 free rotation under water. When external storm loads act on the floating platform 101, the platform moves horizontally, mooring lines 201 on the windward side are tensioned, the buoy eccentric 301 is driven by the mooring lines 201 to rotate around an underwater universal joint 401, after the eccentric buoy 301 tilts transversely, the gravity and buoyancy of the eccentric buoy form restoring moment, and therefore effective mooring of the floating platform 101 is achieved, the forming mechanism of the restoring moment can be clearly shown in fig. 2, and most of displacement of the platform 101 is compensated by rotation of the eccentric buoy 301, so that deformation of the mooring lines 201 is small, rigidity of the whole mooring system is remarkably reduced, and the floating platform can work stably for a long time in shallow water and severe storm environments.
Fig. 4 is a schematic diagram of a second implementation manner of the present invention, in which, on the basis of the first implementation manner, a configuration block 601 is connected to a mooring line 201, and a floating platform 101 is connected to the upper end of an underwater eccentric buoy 301 through the mooring line 201, and the configuration block 601 is added to the mooring line 201, so as to optimize the stiffness of the mooring system; the lower end of the buoy 301 is connected to an underwater anchor pile 501 through a universal joint 401, so that mooring and positioning are realized.
Fig. 5 is the utility model discloses a third kind of implementation scheme schematic diagram, on the basis of first kind of mode, connect buoyancy unit 602 on the mooring line 201, floating platform 101 is connected to the upper end of eccentric flotation pontoon 301 under water through mooring line 201 to increase buoyancy unit 602 on mooring line 201, realize the optimization to mooring system rigidity, flotation pontoon 301 lower extreme then is connected to underwater anchor pile 501 through universal joint 401, realizes mooring the location.
When the eccentric buoy 301 rotates around the underwater universal joint 401 under the action of external force, the gravity and the buoyancy of the eccentric buoy always form restoring moment, the restoring moment is finally converted into restoring force of the mooring device, the eccentric buoy 301 is completely immersed under water and is far enough away from the water surface, so that adverse effects of environmental loads such as wind and waves on the movement performance of the eccentric buoy can be basically eliminated, the gravity and the buoyancy of the buoy can be freely configured, and the gravity can be larger than, equal to or smaller than the buoyancy, so that the restoring force rigidity of the mooring system is optimized.
The utility model discloses a buoy, mooring chain (cable) combination under water compensate floating platform's horizontal displacement through the simple pendulum motion of buoy under water and deformation, displacement stack effect of mooring chain (cable) to effectively reduce mooring system's rigidity, realize the permanent mooring under the shallow water adverse circumstances, simple structure is reliable, investment and operation cost are low, sea area is little, mooring system restoring force characteristic can dispose in a flexible way.
Claims (5)
1. A permanent mooring arrangement suitable for use in shallow water environments, comprising: the mooring structure comprises a mooring cable for connecting a floating platform and an eccentric buoy, wherein two ends of the mooring cable are respectively fixed on a connecting lug plate II at the bottom side of the floating platform and a connecting lug plate I at the top of the eccentric buoy, the eccentric buoy is connected and fixed on an underwater anchor pile through an underwater universal joint, and the lower end of the eccentric buoy can freely rotate around the underwater universal joint.
2. A permanent mooring arrangement suitable for use in shallow water environments according to claim 1, wherein: the mooring cable is connected with a configuration block.
3. A permanent mooring arrangement suitable for use in shallow water environments according to claim 1, wherein: the mooring cable is connected with a buoyancy unit.
4. A permanent mooring arrangement suitable for use in shallow water environments according to claim 1, wherein: when the eccentric buoy rotates around the underwater universal joint under the action of external force, the gravity and the buoyancy of the eccentric buoy always form restoring moment and are finally converted into restoring force of the mooring device.
5. A permanent mooring arrangement suitable for use in shallow water environments according to claim 1, wherein: the eccentric buoy is completely submerged under water and is sufficiently far from the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921912686.6U CN211139575U (en) | 2019-11-07 | 2019-11-07 | Permanent mooring device suitable for shallow water environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921912686.6U CN211139575U (en) | 2019-11-07 | 2019-11-07 | Permanent mooring device suitable for shallow water environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211139575U true CN211139575U (en) | 2020-07-31 |
Family
ID=71768797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921912686.6U Active CN211139575U (en) | 2019-11-07 | 2019-11-07 | Permanent mooring device suitable for shallow water environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211139575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745211A (en) * | 2019-11-07 | 2020-02-04 | 招商局海洋装备研究院有限公司 | Permanent mooring device suitable for shallow water environment |
-
2019
- 2019-11-07 CN CN201921912686.6U patent/CN211139575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745211A (en) * | 2019-11-07 | 2020-02-04 | 招商局海洋装备研究院有限公司 | Permanent mooring device suitable for shallow water environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111042978B (en) | Floating type wind energy-wave energy combined power generation device and control method thereof | |
| WO2018095304A1 (en) | Movable ballast leveling control device for use in floating wind turbine | |
| US8558403B2 (en) | Single moored offshore horizontal turbine train | |
| US10716296B2 (en) | Floating offshore wind turbine integrated with steel fish farming cage | |
| CN205366005U (en) | Polygonized structure's marine floating nuclear electric power generation is equipped | |
| CN102050208B (en) | LNG storage and transportation system and floating type receiving platform thereof | |
| CN105501404A (en) | Oversea floating type nuclear power generating device of polygonal structure | |
| CN107858997A (en) | A kind of floating breakwater for having wave-energy power generation and sea drift garbage reclamation function concurrently | |
| WO2011120521A1 (en) | Foating foundation equipped with two primary wind turbines | |
| CN114162268B (en) | Mooring device for floating body in shallow and medium water area and mounting method | |
| CN216861760U (en) | Floating photovoltaic system and offshore wind power system | |
| CN211139575U (en) | Permanent mooring device suitable for shallow water environment | |
| WO2024131858A1 (en) | Double-float single-point-mooring offshore wind power floating foundation and installation method therefor | |
| CN110745211A (en) | Permanent mooring device suitable for shallow water environment | |
| CN104564508A (en) | Tidal power generation device | |
| CN102146682B (en) | Crab-type ocean tide energy generating seabed fixing device and method | |
| CN216044184U (en) | Barge type offshore wind power floating foundation | |
| CN108666961B (en) | Shore power transmission line floater | |
| Hagerman | Wave energy systems for recharging AUV energy supplies | |
| CN202609060U (en) | Underwater oil storage and outward conveying system used in deep sea | |
| CN215826939U (en) | Water surface floating type ocean resource comprehensive utilization platform | |
| CN210531046U (en) | Floating breakwater-ocean energy device integrated system | |
| CN211869613U (en) | Single point mooring positioning system of floating type fan | |
| CN213168467U (en) | Environmental protection monitoring facilities | |
| CN203978704U (en) | A kind of freely many floats wave energy generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |