CN107813909A - A kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting - Google Patents
A kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting Download PDFInfo
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- CN107813909A CN107813909A CN201710950013.9A CN201710950013A CN107813909A CN 107813909 A CN107813909 A CN 107813909A CN 201710950013 A CN201710950013 A CN 201710950013A CN 107813909 A CN107813909 A CN 107813909A
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- floating drum
- tension
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- reinforced composite
- hollow microspheres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
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Abstract
The invention belongs to engineering equipment for deep ocean exploitation manufacturing field, a kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting is provided, including main platform body, tension tendon, new floating drum, anchoring ring, seafloor foundation, tension force muscle key upper end is articulated with the column of main platform body, lower end is articulated with seafloor foundation, four tension tendons are provided with 4 × n new floating drums, and the depth of water corresponding to every layer of floating drum is identical；New floating drum is fixed in tension tendon by anchoring ring, and anchoring ring is embedded into the circular groove of the upper and lower surface of new floating drum.The new floating drum that the present invention uses has good machining property, can suppress the vortex-induced vibration of tension tendon, improves the exercise performance of tension leg platform (TLP), reduces platform surging, swaying and heaving response amplitude；Because anchoring ring is connected by screw thread with tension force muscle key, new floating drum is enclosed on tension force muscle key by natural buoyancy, and element structure form is simple, easy for installation, saves construction cost.
Description
Technical field
The invention belongs to engineering equipment for deep ocean exploitation manufacturing field, is related to a kind of tension force for Hollow Microspheres Reinforced Composite Materials floating drum of connecting
Tendon alignment system.
Background technology
With being in an emergency for land energy reserve, the visual field of people has turned to the exploration and development of marine resources gradually.It is more next
More offshore oil and gas fields are exploited, and wherein tension leg platform (TLP) is due to its semi-rigid semiflexible excellent exercise performance and warp
Ji property, is widely applied and is developed in recent decades very much.Tension leg platform (TLP) is divided into first at present according to its developmental sequence
For tension leg platform (TLP) and second generation tension leg platform (TLP).By the production practices of first generation tension leg platform (TLP), further demonstrate and open
The superior function of power leg platform.But with the increase of the platform application depth of water, the environment faced is more severe, in order to further drop
The cost of low-tension leg platform, improve its stability, security and adaptability, the second generation of more and more different structure forms
Power leg platform arises at the historic moment.Wherein using the tension leg platform (TLP) for more float-type tension force muscle key alignment systems of connecting, its exercise performance
Significantly improved, surging, swaying and the heaving response amplitude of platform greatly reduce so that tension leg platform (TLP) can be applied to
Deeper marine site.
It is most at present to use steel hollow cylinder structure for the most key floating drum of this structure type.It is this
Structure type not easy processing, and typically welded or bolted in junction for steel, may be due to fatigue effect
Cause leak.And corrosion resistance of steel is poor, the durability of this structure is even more greatly reduced, the maintenance to floating drum will be paid
Very big cost.As operating depth increases, the environment that floating drum is faced is more severe, and the damage of floating drum may be to platform safety
Irreversible destruction is caused, so as to trigger catastrophic failure.A kind of more high-quality floating drum material is found, to solve above-mentioned steel
The problems of matter floating drum, and the performance of tension leg platform (TLP) is preferably improved on this basis, this is also that this series connection is more
A float-type tension force muscle key alignment system problem urgently to be resolved hurrily.
The content of the invention
Above mentioned problem of the present invention for the tension force muscle key alignment system for more float-types of connecting.It is hollow micro- to provide a kind of series connection
The tension tendon alignment system of pearl composite floating drum.
To achieve these goals, the present invention uses following technical scheme：
A kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting, including main platform body 1, tension tendon
2nd, new floating drum 3, anchoring ring 4, seafloor foundation 5.
Described new floating drum 3 selects Hollow Microspheres Reinforced Composite Materials, using the structure type of solid annular cylinder, above and below it
Surface is provided with circular groove.Cenosphere, which is filled into high intensity matrix, obtains Hollow Microspheres Reinforced Composite Materials, loading 30%-
70%, for a kind of low-density, high compressive strength, low water absorption, corrosion resistant composite, the density of Hollow Microspheres Reinforced Composite Materials
For 0.3g/cm3-0.7g/cm3, maximum compression strength can reach 110Mpa, disclosure satisfy that 10000m abyssal environment job requirements.Will
New floating drum 3 is obtained in cenosphere filling substrate, described cenosphere material is glass, ceramic inorganic material, described
High intensity matrix includes epoxy resin, alicyclic vinyl, amino resins, has high-strength characteristic.By from different hollow micro-
Pearl and matrix adjust the physical and mechanical properties of new floating drum 3, such as density, compression strength, to meet different operating mode lower pontoons
It is required that.
Four root posts of the upper end and the bottom of main platform body 1 of four described tension force muscle keys 2 are hinged by fastening feet, under
End is hinged in seafloor foundation 5, and the connected mode can discharge floating drum under action of ocean current to curved caused by tension force muscle key end
Transverse stress.
The new floating drum 3 of parallel multi-layer in described tension tendon 2, four tension tendons are provided with 4 × n new floating drums,
The depth of water corresponding to every layer of floating drum is identical.Single tension tendon 2 runs through along the new axis hollow area of floating drum 3, and new floating drum 3 is logical
Anchoring ring 4 is crossed to be fixed in tension tendon 2；Described anchoring ring 4 is embedded into the circular groove of the upper and lower surface of new floating drum 3
It is interior, and be connected by screw thread with rigid steel pipes tension tendon 2 so that structure has good globality.
Beneficial effects of the present invention are：
1) the Hollow Microspheres Reinforced Composite Materials density (0.3g/cm selected by new floating drum3-0.7g/cm3) compare steel
(7.9g/cm3) bigger net buoyancy can be provided, i.e., the net buoyancy that floating drum can be provided dramatically increases, while floating drum can press down
The vortex-induced vibration of tension tendon processed, cause the pretension of tension force muscle key to increase, platform surging, swaying and heaving can be effectively reduced
Response amplitude, improve the exercise performance of tension leg platform (TLP).
2) Hollow Microspheres Reinforced Composite Materials selected by new floating drum are corrosion-resistant, and water absorption rate is low, and structure uses solid torus
The overall structure of shape cylinder form, airtight waterproof is good, improves the durability and service life of floating drum.
3) Hollow Microspheres Reinforced Composite Materials selected by new floating drum have good machining property and corrosion resistance, compared with
Conveniently it is cut into variously-shaped for rigid floating drum, has saved processing cost, improved the reliability and service life of floating drum.
4) Hollow Microspheres Reinforced Composite Materials can control its physics by adjusting the species of cenosphere, loading, wall thickness
Mechanical performance, so the material that new floating drum can be according to specific environment from the most suitable environment, selectable range is wide,
Ensure that on the basis of floating drum performance material cost can be saved as much as possible.
5) because anchoring ring is connected by screw thread with tension force muscle key, new floating drum is enclosed on tension force muscle key by natural buoyancy
On, element structure form is simple so that new floating drum can more conveniently be dismantled, configured and reused, greatly
Construction cost is saved.
6) the new floating drum of layered arrangement, the rigidity of tension tendon can be improved, swashed so as to effectively suppress the whirlpool of tension leg
Vibration, specific effect are shown in Fig. 4.
Brief description of the drawings
Fig. 1 is the tension tendon alignment system schematic diagram of the series connection Hollow Microspheres Reinforced Composite Materials floating drum of the present invention；
Fig. 2 is the schematic side view that the anchoring ring of the present invention is connected with tension tendon, new floating drum；
Fig. 3 is the schematic top plan view that the anchoring ring of the present invention is connected with tension tendon, new floating drum；
Fig. 4 is the simplification floating drum hydrodynamic performance computation model that tension force muscle key is series in embodiment；
Fig. 5 is that floating drum whirlpool takes off morphological Simulation schematic diagram；
In figure：1 main platform body；2 tension tendons；3 new floating drums；4 anchoring rings；5 seafloor foundations.
Embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings.
Comparative example：One kind is connected more float-type rigidity tension tendon alignment systems, residing for main platform body, tension tendon floating drum
Position, floating drum scale parameter are consistent with embodiment, and both, which are distinguished in the floating drum material connected in comparative example in tension tendon, is
Steel, density 7850kg/m3, series connection floating drum material is hollow glass micropearl composite in embodiment, density 390kg/
m3。
Embodiment：
As shown in Figure 1, 2, 3, the upper end of rigid steel pipes tension force muscle key 2 and the fastening branch arranged on the root post of main platform body 1 four
Seat is be hinged, and lower end is hinged in seafloor foundation 5, the new floating drum 3 of individual layer of being connected in tension tendon 2, publicly-owned 4 in four tension tendons
Individual one layer of new floating drum, the depth of water corresponding to every layer of floating drum are identical.Single tension tendon 2 is along the new axis hollow area of floating drum 3
Running through, anchoring ring 4, which is connected through a screw thread, to be enclosed in tension tendon 2, is embedded in respectively in the new upper and lower surface groove of floating drum 3, with
Fix position of the new floating drum 3 relative to tension force muscle key.
The cenosphere of glass material is filled into matrix epoxy resin and obtains new floating drum 3, loading 60%.It is floating
Cylinder is relatively large in diameter, and is combined into variable cross-section cylinder 4 with the less tension tendon of diameter, the intrinsic frequency of tension leg system can change
Become floating drum, away from vortex shedding frequencies, the de- form in whirlpool of the floating drum both sides shown in Fig. 5 is corresponding with relatively low Oscillation Amplitude, therefore
The vortex-induced vibration problem of tension tendon can effectively be suppressed.
The specific installation steps that more float-types of connecting mix mooring and positioning systems are as follows：
The reserved rigid steel pipes tension tendon of step 1. segmentation is stacked at a marine installation ship.
Step 2. installation tension tendon 2, for being cased with floating drum is installed when the fitting depth of tension tendon 2, which reaches, specifies and require
Power tendon section, using screwed tension force muscle key, and anchoring ring is installed at floating drum upper and lower surface, to constrain pontoon position.
After step 3. completes the installment work of remaining tension tendon section, floating block and separation are installed at the tension force muscle key water surface
Lock.
Main platform body is pulled to specified location after all tension tendons install, removes floating block one by one by step 4.,
Tension tendon upper end is hinged with column lower end, tension tendon is gradually tightened up by stretcher, platform is reached required work
The depth of water.
The performance comparision of embodiment and comparative example：Platform operations depth of water 200m, floating drum are placed at depth of water 100m, and two kinds floating
It is as shown in the table for the relevant parameter and platform surging response amplitude of cylinder, and M1 represents the steel material floating drum in comparative example, and N1 represents real
Apply the hollow new floating drum of glass bead composite material in example：
As can be seen from the table, wave height 3m, wave period 10s regular waves under, new material floating drum effectively reduces
The surge direction motor imagination of platform, it is about 12.4% to reduce amplitude；So in cumulative volume, the almost unchanged condition of gross weight
Under, hollow glass micropearl composite floating drum performance is more excellent compared with steel floating drum.
Claims (8)
- A kind of 1. tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting, it is characterised in that described tension force muscle Tendon alignment system includes main platform body (1), tension tendon (2), new floating drum (3), anchoring ring (4), seafloor foundation (5)；Described new floating drum (3) selects Hollow Microspheres Reinforced Composite Materials, using the structure type of solid annular cylinder, following table thereon Face is provided with circular groove；Cenosphere, which is filled into high intensity matrix, obtains Hollow Microspheres Reinforced Composite Materials, loading 30%- 70%, the density of Hollow Microspheres Reinforced Composite Materials is 0.3g/cm3-0.7g/cm3；Four root posts of the upper end of four described tension force muscle keys 2 and main platform body (1) bottom are hinged by fastening feet, lower end It is hinged in seafloor foundation (5), the connected mode can discharge new floating drum (3) and tension tendon (2) is held under action of ocean current Bending stress caused by portion；The new floating drum of parallel multi-layer (3) in described tension tendon (2), the depth of water corresponding to every layer of new floating drum (3) are identical；It is single Tension tendon (2) runs through along new floating drum (3) axis hollow area, and new floating drum (3) is fixed on tension force by anchoring ring (4) In tendon (2)；Anchoring ring (4) is embedded into the circular groove of the upper and lower surface of new floating drum (3)；New floating drum (3) can press down The vortex-induced vibration of tension tendon (2) processed, reduce main platform body (1) surging, swaying and heaving response amplitude.
- 2. a kind of tension tendon alignment system of Hollow Microspheres Reinforced Composite Materials floating drum of connecting according to claim 1, it is special Sign is that the maximum compression strength of described Hollow Microspheres Reinforced Composite Materials can reach 110Mpa, disclosure satisfy that 10000m deep-seas ring Border job requirements.
- 3. a kind of tension tendon alignment system of Hollow Microspheres Reinforced Composite Materials floating drum of connecting according to claim 1 or 2, its It is characterised by, described cenosphere material is glass, ceramic inorganic material.
- 4. a kind of tension tendon alignment system of Hollow Microspheres Reinforced Composite Materials floating drum of connecting according to claim 1 or 2, its It is characterised by, described high intensity matrix includes epoxy resin, alicyclic vinyl, amino resins.
- 5. a kind of tension tendon alignment system of Hollow Microspheres Reinforced Composite Materials floating drum of connecting according to claim 3, it is special Sign is that described high intensity matrix includes epoxy resin, alicyclic vinyl, amino resins.
- A kind of 6. tension tendon positioning system of series connection Hollow Microspheres Reinforced Composite Materials floating drum according to claim 1 or 2 or 5 System, it is characterised in that anchoring ring (4) is connected through a screw thread with tension tendon (2).
- 7. a kind of tension tendon alignment system of Hollow Microspheres Reinforced Composite Materials floating drum of connecting according to claim 3, it is special Sign is that anchoring ring (4) is connected through a screw thread with tension tendon (2).
- 8. a kind of tension tendon alignment system of Hollow Microspheres Reinforced Composite Materials floating drum of connecting according to claim 4, it is special Sign is that anchoring ring (4) is connected through a screw thread with tension tendon (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950013.9A CN107813909A (en) | 2017-10-13 | 2017-10-13 | A kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting |
| PCT/CN2017/107663 WO2019071655A1 (en) | 2017-10-13 | 2017-10-25 | Tension tendon positioning system for serially connected buoys made of hollow microbead composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950013.9A CN107813909A (en) | 2017-10-13 | 2017-10-13 | A kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107813909A true CN107813909A (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710950013.9A Pending CN107813909A (en) | 2017-10-13 | 2017-10-13 | A kind of tension tendon alignment system for Hollow Microspheres Reinforced Composite Materials floating drum of connecting |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107813909A (en) |
| WO (1) | WO2019071655A1 (en) |
Cited By (3)
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| CN109720514A (en) * | 2019-02-25 | 2019-05-07 | 中交第三航务工程局有限公司 | A kind of tendon for tension leg floatation type wind power platform |
| CN111877411A (en) * | 2020-08-10 | 2020-11-03 | 大连理工大学 | CC3/3 type auxiliary anti-floating device for underground space bearing column |
| CN111926867A (en) * | 2020-08-10 | 2020-11-13 | 大连理工大学 | SS4 type auxiliary anti-floating device for underground space bearing column |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720514A (en) * | 2019-02-25 | 2019-05-07 | 中交第三航务工程局有限公司 | A kind of tendon for tension leg floatation type wind power platform |
| CN109720514B (en) * | 2019-02-25 | 2024-03-12 | 中交第三航务工程局有限公司 | Tendon for tension leg floating type wind power platform |
| CN111877411A (en) * | 2020-08-10 | 2020-11-03 | 大连理工大学 | CC3/3 type auxiliary anti-floating device for underground space bearing column |
| CN111926867A (en) * | 2020-08-10 | 2020-11-13 | 大连理工大学 | SS4 type auxiliary anti-floating device for underground space bearing column |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019071655A1 (en) | 2019-04-18 |
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Application publication date: 20180320 |