CN212358364U - Vertical launching jacket for shallow water area - Google Patents
Vertical launching jacket for shallow water area Download PDFInfo
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- CN212358364U CN212358364U CN202020849786.5U CN202020849786U CN212358364U CN 212358364 U CN212358364 U CN 212358364U CN 202020849786 U CN202020849786 U CN 202020849786U CN 212358364 U CN212358364 U CN 212358364U
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Abstract
The utility model discloses a vertical launching jacket in shallow water, which comprises hollow legs and a connecting rod for connecting the legs, wherein the connecting rod comprises a cross rod positioned between two adjacent legs and oblique rods distributed between the cross rods, the bottom of the jacket is divided into a plurality of separation areas by the cross rod positioned at the bottom, and flat buoyancy tanks with rectangular vertical projections are respectively arranged in each separation area; the floating box is of a hollow structure, one end in the length direction and/or the width direction of the floating box is connected with one cross rod forming the partition area, and the other end in the length direction and/or the width direction of the floating box is connected with the other cross rod forming the partition area. The conduit frame can provide larger buoyancy in the sinking process, and the dismantling operation is avoided, so that the fund and the offshore installation time are saved.
Description
Technical Field
The utility model belongs to the technical field of offshore wind power foundation engineering technique and specifically relates to jacket that uses in offshore wind power foundation engineering construction process.
Background
The jacket consists of hollow legs and longitudinal cross rods for connecting the legs, a fixed platform can be lapped on the jacket, and the jacket foundation is widely applied to offshore oil platforms, offshore lighthouses and offshore wind power construction.
During construction, the steel pile of the jacket is fixed on the seabed. The pipe frame is prefabricated on land, towed to sea, set in place, driven along the pipe and cement slurry filled into the annular space between the pile and the pipe to connect the pile and the pipe and fix the pile and the pipe to the sea bottom. The construction mode greatly reduces the workload on the sea.
With the development of the offshore wind power industry, the offshore distance is more and more far, in order to save the use area of the sea area, a flexible direct current centralized delivery mode is gradually adopted, and a marine converter station needs to be configured for the flexible direct current. The weight of the jacket of the offshore converter station is nearly 8000 tons, the floating crane which can meet the hoisting requirement on the market is rare, the depth of water in the sea area is generally 30-40 meters, and the risk of bottom contact is easy to occur when water slides. Thus, offshore construction has great difficulty.
Aiming at the situation, the conventional method is to increase a steel buoy at the leg of the jacket to improve the overall buoyancy of the jacket, drag the jacket to a mounting point in place by adopting a floating transportation mode, and remove the steel buoy by adopting underwater cutting after the jacket is in place. However, steel buoys provide very limited buoyancy and are costly to remove, which increases project investment costs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical offal jacket in shallow water district. The conduit frame can provide larger buoyancy in the sinking process, and the dismantling operation is avoided, so that the fund and the offshore installation time are saved.
In order to achieve the above object, the present invention provides a vertical launching jacket for shallow water, comprising hollow legs and a connecting rod connecting the legs, wherein the connecting rod comprises a cross rod between two adjacent legs and diagonal rods distributed between the cross rods, the cross rod at the bottom divides the bottom of the jacket into a plurality of separated areas, and each separated area is provided with a flat buoyancy tank with a rectangular vertical projection; the floating box is of a hollow structure, one end in the length direction and/or the width direction of the floating box is connected with one cross rod forming the partition area, and the other end in the length direction and/or the width direction of the floating box is connected with the other cross rod forming the partition area.
Preferably, the box body of each buoyancy tank is formed by enclosing a top plate, a bottom plate and side plates located on the periphery.
Preferably, the buoyancy tank is provided with an upper frame body and a lower frame body, the upper frame body and the lower frame body respectively comprise a rectangular frame formed by enclosing boundary beams, and the tank body of the buoyancy tank is connected to the rectangular frame.
Preferably, the side frames of the upper frame and the lower frame extend beyond the box body in the length direction, and U-shaped ports for accommodating the cross bars corresponding to the side frames are formed at two ends of the box body and are connected with the cross bars in a welding manner.
Preferably, the rectangular frame is provided with a middle beam extending along the length direction in the middle and a plurality of transverse beams extending along the width direction and distributed at intervals.
Preferably, the edge beams, the middle beams and the row beams are all T-shaped beams.
Preferably, the top plate and the bottom plate of the box body are provided with reinforcing beams which are parallel to each other and are distributed at intervals.
Preferably, the reinforcing beam of the top plate is positioned on the upper surface of the top plate, and the reinforcing beam of the bottom plate is positioned on the lower surface of the bottom plate.
Preferably, the reinforcing beam is an angle steel; the first bending parts of the angle steels of the top plate and the bottom plate are connected to the surfaces of the angle steels, and the second bending parts of the angle steels of the top plate and the bottom plate are perpendicular to the surfaces of the angle steels.
Preferably, the length of the buoyancy tank is consistent with the length of the separation region where the buoyancy tank is located, and the width of the buoyancy tank is smaller than the width of the separation region where the buoyancy tank is located.
The jacket provided by the utility model provides buoyancy for the jacket by arranging the buoyancy tanks in the plurality of partitioned areas at the bottom of the jacket, on one hand, the structural space at the bottom of the jacket is fully utilized, and no steel buoys are needed to be added on the leg columns, thereby eliminating the defects of insufficient buoyancy, cutting and the like of the steel buoy, on the other hand, the buoyancy tank arranged in the cross bar separation area is a rectangular flat buoyancy tank, it can be used as a floating box, can also play a role in preventing the jacket from toppling or deviating, can be used as an anti-sinking plate, can simultaneously realize two functions, thereby need not to set up alone in addition and prevent sinking the board, moreover, the partition region of jacket bottom has sufficient space to hold the great flotation tank of area, and the thickness of flotation tank also can carry out nimble design according to actual need to can provide great buoyancy for the pipe frame sinks the in-process. In addition, the buoyancy tank of the jacket eliminates dismantling operation, and saves capital and offshore installation time.
Drawings
Fig. 1 is a schematic structural view of a vertical launching jacket in a shallow water area according to an embodiment of the present invention;
fig. 2 is an enlarged partial schematic view of the buoyancy tank shown in fig. 1.
In the figure:
1. jacket 2, leg 3, cross bar 4, first diagonal bar 5, second diagonal bar 6, buoyancy tank 7, top plate 8, bottom plate 9, side plate 10, boundary beam 11, middle beam 12, cross beam 13 and reinforcing beam
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
Referring to fig. 1, fig. 1 is a schematic structural view of a vertical launching jacket in a shallow water area according to an embodiment of the present invention.
As shown in the drawings, in one embodiment, the jacket 1 of the present invention is suitable for launching in a vertical manner in a shallow water area, and is mainly composed of a hollow leg column 2, a connecting rod for connecting the leg column, and the like.
The connecting rod is divided into a cross rod 3 positioned between two adjacent leg columns 2 and inclined rods distributed between the cross rods 3, the inclined rods can be divided into a first inclined rod 4 inclined along a first direction and a second inclined rod 5 inclined along a second direction, and the first inclined rod 4 and the second inclined rod 5 are crossed between the cross rods 3 to form an X shape.
The jacket 1 shown in the figure is provided with six leg columns 2, if two cross bars 3 and a group of "X" shaped diagonal bars are defined as one connecting rod unit, the three leg columns 2 located at the front side in the figure are provided with four connecting rod units in total, the upper and lower two adjacent connecting rod units share the same cross bar 3, similarly, the three leg columns 2 located at the rear side are also provided with four connecting rod units in total, two connecting rod units located below are arranged between the two leg columns 2 located at the left side, two connecting rod units located below are arranged between the two leg columns 2 located at the right side, and meanwhile, two connecting rod units located below are arranged between the two leg columns 2 located at the middle.
Therefore, the whole jacket 1 is of a truss structure, and can meet harsh use requirements in a complex sea area environment.
The cross rod 3 located at the bottom divides the bottom of the jacket 1 into four rectangular separation areas, flat buoyancy tanks 6 with rectangular vertical projections are respectively arranged in each separation area, each buoyancy tank 6 is of a hollow structure, the length of each buoyancy tank 6 is consistent with that of the corresponding separation area, the width of each buoyancy tank 6 is smaller than that of the corresponding separation area, one end of each buoyancy tank in the length direction is connected with one cross rod 3 forming the corresponding separation area, the other end of each buoyancy tank in the length direction is connected with the other cross rod 3 forming the corresponding separation area, and the buoyancy tanks 6 are located in the vertical projection range of the jacket 1 as a whole and do not exceed the cross section of the jacket.
Referring to fig. 2, fig. 2 is a partially enlarged schematic view of the buoyancy tank shown in fig. 1.
As shown in the figure, the box body of each buoyancy tank 6 is formed by enclosing a top plate 7, a bottom plate 8 and side plates 9 positioned in the front, rear, left, right and four directions, the interior of the box body is a rectangular cavity, and in the sinking process, the rectangular cavity provides required buoyancy for the jacket 1.
The buoyancy tank 6 is provided with an upper frame body and a lower frame body, the upper frame body and the lower frame body respectively comprise a rectangular frame formed by enclosing a boundary beam 10, and the tank body of the buoyancy tank 6 is connected to the rectangular frame.
The frame of going up framework and lower framework surpasss the box in length direction, forms U-shaped port at the both ends of box, and the corresponding horizontal pole 3 embedding in the U-shaped port of box at the box both ends to with U-shaped port welded connection.
The middle of the inside of the rectangular frame is provided with a middle beam 11 extending along the length direction, and a plurality of transverse beams 12 extending along the width direction and distributed at intervals, wherein the edge beam 10, the middle beam 11 and the transverse beams 12 are all T-shaped beams with T-shaped cross sections.
The top plate 7 and the bottom plate 8 of the box body are provided with reinforcing beams 13 which are parallel to each other and distributed at intervals so as to reinforce the structural strength of the box body and prevent the box body from being damaged, deformed or collapsed under the action of water pressure, impact and the like.
The roof reinforcing beam 13 is located on the upper surface of the roof 7 and the floor reinforcing beam 13 of the floor 8 is located on the lower surface of the floor. The reinforcement beam 13 may be an angle steel, a first bent portion of the angle steel of the top plate 7 is connected to a surface thereof, a second bent portion is perpendicular to the surface thereof, a first bent portion of the angle steel of the bottom plate 8 is connected to the surface thereof, and a second bent portion is perpendicular to the surface thereof.
The reinforcing beams 13 of the top plate 7 and the bottom plate 8 are arranged outside, so that the anti-sinking effect can be further enhanced by utilizing the friction between the reinforcing beams 13 and the mud surface and the generated adsorption force after the bottom of the jacket 1 is contacted with the mud surface of the seabed, and the jacket has better stability when being impacted by sea waves.
The above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and different embodiments can be obtained by performing targeted adjustment according to actual needs. For example, more buoyancy tanks 6 are provided according to the number of partitioned areas at the bottom of the jacket 1, or the partitioned areas and the buoyancy tanks 6 are square, or the partitioned areas are filled with the buoyancy tanks 6 in order to obtain larger buoyancy, and so on. This is not illustrated here, since many implementations are possible.
When the jacket 1 is adopted for operation, the jacket 1 can be transported to a positioning point by a semi-submersible ship, then the semi-submersible ship slowly sinks, the jacket 1 enters water in a vertical posture, and after the jacket 1 sinks to the limit depth of the semi-submersible ship, the jacket is assisted to be righted by a floating crane.
The buoyancy tank of the jacket can provide sufficient buoyancy for the jacket, cutting is not needed, the capital and the offshore installation time are saved, the offshore installation risk is reduced, and the construction is easy; moreover, the anti-sinking plate can be used as the anti-sinking plate, and two functions can be simultaneously realized, so that the anti-sinking plate does not need to be additionally and independently arranged.
The above is to the vertical launching jacket of the shallow water area provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A vertical launching jacket in a shallow water area comprises hollow leg columns (2) and connecting rods for connecting the leg columns, wherein each connecting rod comprises a cross rod (3) positioned between two adjacent leg columns and inclined rods distributed between the cross rods (3), the vertical launching jacket is characterized in that the cross rods (3) positioned at the bottom divide the bottom of the jacket into a plurality of separated areas, and flat buoyancy tanks (6) with rectangular vertical projections are respectively arranged in each separated area; the floating box (6) is of a hollow structure, one end in the length and/or width direction of the floating box is connected with one cross rod (3) forming the partition area, and the other end in the length and/or width direction of the floating box is connected with the other cross rod (3) forming the partition area.
2. The vertical launching jacket in shallow waters according to claim 1, characterised in that the hull of each buoyancy tank (6) is enclosed by a top plate (7), a bottom plate (8) and side plates (9) located all around.
3. The shallow water vertical drainage pipe rack according to claim 2, characterized in that the buoyancy tank (6) is provided with an upper frame and a lower frame, which respectively comprise rectangular frames enclosed by edge beams (10), to which the tank body of the buoyancy tank (6) is connected.
4. The shallow water vertical sewage jacket according to claim 3, wherein the rims of the upper and lower frames are extended beyond the tank in the length direction, and U-shaped ports for receiving the cross bars corresponding thereto are formed at both ends of the tank and are welded to the cross bars (3).
5. The shallow water vertical drainage pipe rack according to claim 4, characterized in that the rectangular frame is provided with a middle beam (11) extending in the length direction in the middle and a plurality of transverse beams (12) extending in the width direction and distributed at intervals.
6. The shallow water vertical drainage pipe rack according to claim 5, characterized in that the edge beams (10), the middle beam (11) and the row beams (12) are all T-shaped beams.
7. The shallow water vertical launching jacket according to claim 2, characterised in that the roof (7) and floor (8) of the tank are provided with stiffening beams (13) parallel to each other and spaced apart.
8. The shallow water standing launch jacket according to claim 7 wherein the reinforcement beam (13) of the roof (7) is located on the upper surface of the roof (7) and the reinforcement beam (13) of the floor (8) is located on the lower surface of the floor (8).
9. The shallow water standing launch jacket according to claim 8, characterised in that the stiffening beams (13) are angle irons; the first bending parts of the angle steels of the top plate (7) and the bottom plate (8) are connected to the surfaces of the angle steels, and the second bending parts of the angle steels of the top plate (7) and the bottom plate (8) are perpendicular to the surfaces of the angle steels.
10. The shallow water standing launch jacket according to any of claims 1 to 9 wherein the length of the buoyancy tank (6) corresponds to the length of the partition in which it is located, the width of the buoyancy tank (6) being less than the width of the partition in which it is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849786.5U CN212358364U (en) | 2020-05-20 | 2020-05-20 | Vertical launching jacket for shallow water area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849786.5U CN212358364U (en) | 2020-05-20 | 2020-05-20 | Vertical launching jacket for shallow water area |
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| Publication Number | Publication Date |
|---|---|
| CN212358364U true CN212358364U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020849786.5U Active CN212358364U (en) | 2020-05-20 | 2020-05-20 | Vertical launching jacket for shallow water area |
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| CN (1) | CN212358364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467365A (en) * | 2022-09-30 | 2022-12-13 | 华电重工股份有限公司 | Installation method of overwater booster station foundation |
-
2020
- 2020-05-20 CN CN202020849786.5U patent/CN212358364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467365A (en) * | 2022-09-30 | 2022-12-13 | 华电重工股份有限公司 | Installation method of overwater booster station foundation |
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