CN103395475B - The underwater hose floating block of single buoy mooring system - Google Patents
The underwater hose floating block of single buoy mooring system Download PDFInfo
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- CN103395475B CN103395475B CN201310350932.4A CN201310350932A CN103395475B CN 103395475 B CN103395475 B CN 103395475B CN 201310350932 A CN201310350932 A CN 201310350932A CN 103395475 B CN103395475 B CN 103395475B
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Abstract
The invention provides the underwater hose floating block in a kind of buoy component (1) of single buoy mooring system, belong to marine building structural elements technical field.Described underwater hose floating block comprises left half floating block (12), right half floating block (11) and inner clamp (14), and wherein, left half floating block (12) is provided with semi-cylindrical through hole vertically; Right half floating block (11) and the complete specular of left half floating block, right half floating block (11) is also provided with semi-cylindrical through hole vertically; Inner clamp (14) is annular arrangement, and it is arranged in the cylindrical hole of the semi-cylindrical through hole of left half floating block and the semi-cylindrical through hole formation of right half floating block.Underwater hose floating block provided by the invention both can provide normal buoyancy, can also rotate along with the direction of current, and significantly can reduce its resistance to water-flow of bearing, effectively can also suppress the current vortex-induced vibration of underwater hose component, improve the stability under water of underwater hose component.
Description
Technical field
The present invention relates to a kind of underwater hose floating block of single buoy mooring system, belong to marine building structural elements technical field.
Background technology
Single point mooring (SPM) (SPM) system refer to mooring ship along with the change of wind and ocean current and round wind and ocean current change and freely turn round round single mooring point, thus be constantly in wind, wave, stream and the mooring system of power minimum position.Fig. 1 is the composition schematic diagram of single buoy mooring system, and as shown in Figure 1, single buoy mooring system is formed primarily of buoy component 1, anchor chain component 2, mooring fast component 3, flotation hose component 4 and underwater hose component 5.In the anchor that the anchor chain that buoy component is arranged radially by the six roots of sensation is connected to seabed or stake, be connected with underwater hose component between buoy component with seabed manifold; Boats and ships pass through mooring fast component 3 mooring in buoy component.One or more underwater hose floating block device is included in the underwater hose component 5 of single buoy mooring system.These underwater hose floating block devices provide necessary buoyancy to underwater hose component 5, with attitude in the water keeping underwater hose component 5.But the cross-sectional plane of underwater hose floating block device of the prior art is circular, the resistance of the water that the underwater hose floating block device of this shape bears is large.
Summary of the invention
For overcoming the technical matters existed in prior art, goal of the invention of the present invention is to provide a kind of underwater hose floating block of single buoy mooring system, it not only can provide normal buoyancy, can also rotate along with the direction of current, and significantly can reduce its resistance to water-flow of bearing, effectively can also suppress the current vortex-induced vibration of underwater hose component, improve the stability under water of underwater hose component.
For realizing described goal of the invention, the invention provides the underwater hose floating block in a kind of buoy component 1 of single buoy mooring system, described underwater hose floating block comprises left half floating block 12, right half floating block 11 and inner clamp 14, wherein, left half floating block is provided with semi-cylindrical through hole vertically; Right half floating block 11 and the complete specular of left half floating block, right half floating block 11 is also provided with semi-cylindrical through hole vertically; Inner clamp 14 is annular arrangement, and it is arranged in the cylindrical hole of the semi-cylindrical through hole of left half floating block and the semi-cylindrical through hole formation of right half floating block.
Preferably, in the semi-cylindrical through hole of left half floating block, be provided with semi-circular groove, in the semi-cylindrical through hole of right half floating block, be provided with semi-circular groove, the two specular and formed an annular groove, inner clamp 14 is arranged in annular groove.
Preferably, left half floating block and right half floating block have been disposed radially one or more annular pass-through hole.
Preferably, the inside of the cross-sectional plane of right half floating block 11 is made up of the first linear portion 20, semicircular arc line segment 16, second linear portion 21, first-class linear internal section 15 and the 3rd linear portion successively, and outside is made up of the outside leading portion 24 of second line style and the outside back segment 23 of second line style; The right cross-sectional plane of half floating block 12 and the cross-sectional plane specular of left half floating block 11.
Preferably, the radius of curvature of the outside leading portion 24 of second line style is less than the radius of curvature of the outside back segment 23 of second line style, and the radian length of the outside leading portion 24 of second line style is less than the radian length of the outside back segment 23 of second line style.
Compared with prior art, this underwater hose floating block provided by the invention, not only can provide normal buoyancy, can also rotate along with the direction of current, utilize the outer envelope curve of its fleetline, its resistance to water-flow of bearing of remarkable minimizing, effectively can also suppress the current vortex-induced vibration of underwater hose component, improves the stability under water of underwater hose component.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of single buoy mooring system;
Fig. 2 is underwater hose floating block three-dimensional cutaway view provided by the invention;
Fig. 3 is the three-dimensional cutaway view that underwater hose floating block provided by the invention eliminates left half floating block;
Fig. 4 is the schematic diagram of inner clamp provided by the invention;
Fig. 5 is right half floating block schematic cross-section provided by the invention.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing, identical Reference numeral represents identical parts.
Fig. 2 is underwater hose floating block three-dimensional cutaway view provided by the invention.As shown in Figure 2, the underwater hose floating block that the invention provides in the buoy component 1 of single buoy mooring system comprises left half floating block 12, right half floating block 11 and inner clamp 14, and wherein, left half floating block is provided with semi-cylindrical through hole vertically; Right half floating block 11 and the complete specular of left half floating block, right half floating block 11 is also provided with semi-cylindrical through hole 16 vertically; Inner clamp 14 is annular arrangement, and it is arranged in the cylindrical hole of the semi-cylindrical through hole of left half floating block and the semi-cylindrical through hole formation of right half floating block.Be provided with semi-circular groove in the semi-cylindrical through hole of left half floating block, be provided with semi-circular groove in the semi-cylindrical through hole of right half floating block, the two specular and form an annular groove, inner clamp 14 is arranged in annular groove.
Left half floating block and right half floating block have been disposed radially one or more annular pass-through hole.Left half floating block 12 and right half floating block 11 just can be axially fixed on inner clamp 14 through annular through hole 13 by strip or banded bandage.
Fig. 3 is the three-dimensional cutaway view that underwater hose floating block provided by the invention eliminates left half floating block.As shown in Figure 3, inner clamp 14 is arranged in the interior grooves of right half floating block 11, and inner clamp 14 is less than the interior grooves of right half floating block 11, and therefore right half floating block 11 around the free axial-rotation of inner clamp 14, but can not axially can be free to slide.
Fig. 4 is the schematic diagram of inner clamp provided by the invention, and as shown in Figure 4, inner clamp 14 is circular ring things.
Fig. 5 is right half floating block schematic cross-section provided by the invention.As shown in Figure 5, the inside of the cross-sectional plane of right half floating block 11 is made up of the first linear portion 20, semicircular arc line segment 16, second linear portion 21, first-class linear internal section 15 and the 3rd linear portion 22 successively, first-class linear internal section comprises streamlined interior leading portion and streamlined interior back segment, the radius of curvature of inner leading portion is less than the radius of curvature of inner back segment, and the radian length of inner leading portion is less than the radian length of inner back segment; Outside is made up of the outside leading portion 24 of second line style and the outside back segment 23 of second line style; The right cross-sectional plane of half floating block 12 and the cross-sectional plane specular of left half floating block 11.The radius of curvature of the outside leading portion 24 of second line style is less than the radius of curvature of the outside back segment 23 of second line style, and the radian length of the outside leading portion 24 of second line style is less than the radian length of the outside back segment 23 of second line style.The left cross-sectional plane of half floating block 12 and the cross-sectional plane of right half floating block 11 are specular.After left half floating block 12 and right half floating block 11 are integrated and assembled, the cross-sectional profile after integration is exactly a complete stream line pattern.
More than be described with reference to the accompanying drawings the present invention, but those of ordinary skill in the art it should be known that specification sheets is only for explaining claims.But protection scope of the present invention is not limited to specification sheets.Any those skilled in the art of being familiar with are in the technical scope that the present invention discloses, and the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. the underwater hose floating block in the buoy component (1) of a single buoy mooring system, it is characterized in that, described underwater hose floating block comprises left half floating block (12), right half floating block (11) and inner clamp (14), wherein, left half floating block (12) is provided with semi-cylindrical through hole vertically; Right half floating block (11) and the complete specular of left half floating block, right half floating block (11) is also provided with semi-cylindrical through hole vertically; Inner clamp (14) is annular arrangement, it is arranged in the cylindrical hole of the semi-cylindrical through hole of left half floating block and the semi-cylindrical through hole formation of right half floating block, left half floating block and right half floating block have been disposed radially one or more annular pass-through hole, strip or banded bandage left half floating block (12) and right half floating block (11) can be axially fixed on inner clamp (14) through annular through hole.
2. underwater hose floating block according to claim 1, it is characterized in that, semi-circular groove is provided with in the semi-cylindrical through hole of left half floating block, semi-circular groove is provided with in the semi-cylindrical through hole of right half floating block, the two specular and can form an annular groove, inner clamp (14) is arranged in annular groove.
3. underwater hose floating block according to claim 2, it is characterized in that, the inside of the cross-sectional plane of right half floating block (11) is made up of the first linear portion (20), semicircular arc line segment (16), the second linear portion (21), first-class linear internal section (15) and the 3rd linear portion successively, and outside is made up of the outside leading portion (24) of second line style and the outside back segment (23) of second line style.
4. underwater hose floating block according to claim 3, it is characterized in that, the radius of curvature of the outside leading portion (24) of second line style is less than the radius of curvature of the outside back segment (23) of second line style, and the radian length of the outside leading portion (24) of second line style is less than the radian length of the outside back segment (23) of second line style.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350932.4A CN103395475B (en) | 2013-08-13 | 2013-08-13 | The underwater hose floating block of single buoy mooring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350932.4A CN103395475B (en) | 2013-08-13 | 2013-08-13 | The underwater hose floating block of single buoy mooring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103395475A CN103395475A (en) | 2013-11-20 |
| CN103395475B true CN103395475B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310350932.4A Active CN103395475B (en) | 2013-08-13 | 2013-08-13 | The underwater hose floating block of single buoy mooring system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107091379A (en) * | 2017-06-27 | 2017-08-25 | 大连理工大学 | A kind of streamlined energy conduit of mitigation submarine landslide impact |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893334A (en) * | 1993-12-03 | 1999-04-13 | Fmc Corporation | Method and apparatus for mooring floating storage vessels |
| EP2331393B1 (en) * | 2008-10-09 | 2014-07-02 | Keppel Offshore & Marine Technology Centre Pte Ltd | System for mooring a ship alongside a single buoy moored vessel |
| CN201816722U (en) * | 2010-09-27 | 2011-05-04 | 上海利策科技有限公司 | Releasable connecting structure of floating production storage and offloading (FPSO) anchoring floater and hull |
| CN202243965U (en) * | 2011-06-30 | 2012-05-30 | 中国海洋石油总公司 | Underwater single point mooring device |
| CN102785761B (en) * | 2012-08-02 | 2015-05-13 | 江苏科技大学 | Self-regulation type single point mooring system |
| CN102963502A (en) * | 2012-11-15 | 2013-03-13 | 大连船舶重工船业有限公司 | Single-point moored floating body device for marine engineering |
| CN102963501A (en) * | 2012-11-15 | 2013-03-13 | 大连船舶重工船业有限公司 | Single point mooring system device |
| CN203450336U (en) * | 2013-08-13 | 2014-02-26 | 青岛迪玛尔海洋工程有限公司 | Underwater hose floating block for single-point mooring system |
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