CN203450336U - Underwater hose floating block for single-point mooring system - Google Patents
Underwater hose floating block for single-point mooring system Download PDFInfo
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- CN203450336U CN203450336U CN201320492469.2U CN201320492469U CN203450336U CN 203450336 U CN203450336 U CN 203450336U CN 201320492469 U CN201320492469 U CN 201320492469U CN 203450336 U CN203450336 U CN 203450336U
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- floating block
- cylindrical
- half floating
- hole
- underwater hose
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Abstract
The utility model provides an underwater hose floating block in a floating tube component (1) of a single-point mooring system, and belongs to the technical field of ocean building structural components. The underwater hose floating block comprises a left half floating block (12), a right half floating block (11) and an inner clamp (14), wherein the left half floating block (12) is provided with a semi-cylindrical through hole in the axial direction, the right half floating block (11) and the left half floating block are completely in mirror symmetry, the right half floating block (11) is also provided with a semi-cylindrical through hole in the axial direction, and the inner clamp (14) is in a circular arc shape and is arranged in a cylindrical through hole formed by the semi-cylindrical through hole of the left half floating block and the semi-cylindrical through hole of the right half floating block. The underwater hose floating block provided by the utility model has the advantages that the normal buoyancy can be provided, the floating block can rotate along with the water flowing direction, in addition, the born water flow resistance can be obviously reduced, the water flow vortex-induced vibration of an underwater hose component can also be effectively compressed, and the underwater stability of the underwater hose component is improved.
Description
Technical field
The utility model relates to a kind of underwater hose floating block of single buoy mooring system, belongs to marine building structural elements technical field.
Background technology
Single point mooring (SPM) (SPM) system refer to mooring ship along with the variation of wind and ocean current round the variation of wind and ocean current and freely turn round round single mooring point, thereby the mooring system in wind, wave, stream and power minimum position constantly.Fig. 1 is the composition schematic diagram of single buoy mooring system, and as shown in Figure 1, single buoy mooring system mainly consists of floating drum member 1, anchor chain member 2, mooring fast member 3, flotation hose member 4 and underwater hose member 5.It is upper that the anchor chain that floating drum member is arranged radially by the six roots of sensation is connected in anchor or the stake in seabed, between floating drum member and seabed manifold, with underwater hose member, is connected; Boats and ships pass through 3 moorings of mooring fast member on floating drum member.In the underwater hose member 5 of single buoy mooring system, include one or more underwater hose floating block devices.These underwater hose floating block devices provide necessary buoyancy to underwater hose member 5, to keep attitude in the water of underwater hose member 5.But the cross-sectional plane of underwater hose floating block device of the prior art is circular, and 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 existing in prior art, goal of the invention of the present utility model 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 can significantly reduce the resistance to water-flow that it bears, can also effectively suppress the current vortex-induced vibration of underwater hose member, improve the stability under water of underwater hose member.
For realizing described goal of the invention, the utility model provides the underwater hose floating block in a kind of floating drum member 1 of single buoy mooring system, and 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 half-cylindrical through hole vertically; Right half floating block 11 is symmetrical with the complete mirror image of left half floating block, and right half floating block 11 is also provided with half-cylindrical through hole vertically; Inner clamp 14 is annular arrangement, and it is arranged in the cylindrical hole of the half-cylindrical through hole of left half floating block and the half-cylindrical through hole formation of right half floating block.
Preferably, in the half-cylindrical through hole of left half floating block, be provided with semi-circular groove, in the half-cylindrical through hole of right half floating block, be provided with semi-circular groove, the two mirror image is symmetrical and form an annular groove, and 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 comprised of the first linear portion 20, semicircular arc line segment 16, the second linear portion 21, first-class line style inner section 15 and the 3rd linear portion successively, and outside is comprised 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 mirror image of left half floating block 11 are symmetrical.
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 that the utility model provides, not only can provide normal buoyancy, can also rotate along with the direction of current, utilize the outer envelope curve of its fleetline, significantly reduce its resistance to water-flow of bearing, can also effectively suppress the current vortex-induced vibration of underwater hose member, improve the stability under water of underwater hose member.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of single buoy mooring system;
Fig. 2 is the underwater hose floating block three-dimensional cutaway view that the utility model provides;
Fig. 3 is the three-dimensional cutaway view that underwater hose floating block that the utility model provides has removed left half floating block;
Fig. 4 is the schematic diagram of the inside clamp that provides of the utility model;
Fig. 5 is the right side half floating block schematic cross-section that the utility model provides.
The specific embodiment
Below in conjunction with accompanying drawing, describe the utility model in detail, identical Reference numeral represents identical parts.
Fig. 2 is the underwater hose floating block three-dimensional cutaway view that the utility model provides.As shown in Figure 2, the utility model provides the underwater hose floating block in the floating drum member 1 of single buoy mooring system to comprise left half floating block 12, right half floating block 11 and inner clamp 14, and wherein, left half floating block is provided with half-cylindrical through hole vertically; Right half floating block 11 is symmetrical with the complete mirror image of left half floating block, and right half floating block 11 is also provided with half-cylindrical through hole 16 vertically; Inner clamp 14 is annular arrangement, and it is arranged in the cylindrical hole of the half-cylindrical through hole of left half floating block and the half-cylindrical through hole formation of right half floating block.In the half-cylindrical through hole of left half floating block, be provided with semi-circular groove, in the half-cylindrical through hole of right half floating block, be provided with semi-circular groove, the two mirror image is symmetrical and form an annular groove, and 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.Strip or banded bandage just can be axially fixed in left half floating block 12 and right half floating block 11 on inner clamp 14 through annular through hole 13.
Fig. 3 is the three-dimensional cutaway view that underwater hose floating block that the utility model provides has removed left half floating block.Therefore as shown in Figure 3, inner clamp 14 is arranged in the internal recess of right half floating block 11, and inner clamp 14 is less than the internal recess of right half floating block 11, and right half floating block 11 can be around the free axial-rotation of inner clamp 14, but can not axially be free to slide.
Fig. 4 is the schematic diagram of the inside clamp that provides of the utility model, and as shown in Figure 4, inner clamp 14 is circular ring things.
Fig. 5 is the right side half floating block schematic cross-section that the utility model provides.As shown in Figure 5, the inside of the cross-sectional plane of right half floating block 11 is comprised of the first linear portion 20, semicircular arc line segment 16, the second linear portion 21, first-class line style inner section 15 and the 3rd linear portion successively, first-class line style inner section comprises the inner leading portion of stream line pattern and the inner back segment of stream line pattern, 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 comprised 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 mirror image of left half floating block 11 are symmetrical.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 mirror image symmetry.When left half floating block 12 and right half floating block 11, integrate after assembling, the cross-sectional profile after integration is exactly a complete stream line pattern.
More than being described with reference to the accompanying drawings the utility model, is only for explaining claims but those of ordinary skills it should be known that specification sheets.But protection domain of the present utility model is not limited to specification sheets.In the technical scope that any those skilled in the art of being familiar with disclose at the utility model, the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (1)
1. the underwater hose floating block 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 half-cylindrical through hole vertically; Right half floating block (11) is symmetrical with the complete mirror image of left half floating block, and right half floating block (11) is also provided with half-cylindrical through hole vertically; Inner clamp (14) is annular arrangement, and it is arranged in the cylindrical hole of the half-cylindrical through hole of left half floating block and the half-cylindrical through hole formation of right half floating block.
2. underwater hose floating block according to claim 1, it is characterized in that, in the half-cylindrical through hole of left half floating block, be provided with semi-circular groove, in the half-cylindrical through hole of right half floating block, be provided with semi-circular groove, the two mirror image is symmetrical and can form an annular groove, and inner clamp (14) is arranged in annular groove.
3. underwater hose floating block according to claim 2, is characterized in that, left half floating block and right half floating block have been disposed radially one or more annular pass-through hole.
4. underwater hose floating block according to claim 3, it is characterized in that, the inside of the cross-sectional plane of right half floating block (11) is comprised of the first linear portion (20), semicircular arc line segment (16), the second linear portion (21), first-class line style inner section (15) and the 3rd linear portion successively, and outside is comprised of the outside leading portion (24) of second line style and the outside back segment of second line style (23); The cross-sectional plane of left half floating block (12) and the cross-sectional plane mirror image of left half floating block (11) are symmetrical.
5. underwater hose floating block according to claim 4, it is characterized in that, the radius of curvature of the outside leading portion of second line style (24) is less than the radius of curvature of the outside back segment of second line style (23), and the radian length of the outside leading portion of second line style (24) is less than the radian length of the outside back segment of second line style (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492469.2U CN203450336U (en) | 2013-08-13 | 2013-08-13 | Underwater hose floating block for single-point mooring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492469.2U CN203450336U (en) | 2013-08-13 | 2013-08-13 | Underwater hose floating block for single-point mooring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203450336U true CN203450336U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492469.2U Expired - Lifetime CN203450336U (en) | 2013-08-13 | 2013-08-13 | Underwater hose floating block for single-point mooring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203450336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395475A (en) * | 2013-08-13 | 2013-11-20 | 青岛迪玛尔海洋工程有限公司 | Underwater hose floating block of single point mooring system |
-
2013
- 2013-08-13 CN CN201320492469.2U patent/CN203450336U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395475A (en) * | 2013-08-13 | 2013-11-20 | 青岛迪玛尔海洋工程有限公司 | Underwater hose floating block of single point mooring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |