CN213062078U - Offshore wind power integral installation device utilizing mat and buoyancy tank - Google Patents
Offshore wind power integral installation device utilizing mat and buoyancy tank Download PDFInfo
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- CN213062078U CN213062078U CN202020707944.3U CN202020707944U CN213062078U CN 213062078 U CN213062078 U CN 213062078U CN 202020707944 U CN202020707944 U CN 202020707944U CN 213062078 U CN213062078 U CN 213062078U
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- wind power
- offshore wind
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- floating box
- cylindrical foundation
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 22
- 238000005188 flotation Methods 0.000 abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 3
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- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 3
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Abstract
The utility model provides an utilize offshore wind power integral erection device of mattress-flotation tank, including cartridge type basis, surround around the cartridge type basis and be provided with supplementary flotation tank, supplementary flotation tank buckle is provided with the barrel cable loop in the top cap outer fringe on cartridge type basis on the supplementary flotation tank, all is provided with the flotation tank cable loop on the cartridge type basis, and the below on cartridge type basis is provided with the mattress, fixes being provided with two at least hoists on the mattress, and the hoist engine is connected with supplementary flotation tank and cartridge type basis through the hawser that runs through barrel cable loop and flotation tank cable loop, and the top of cartridge type basis is fixed and is provided with the changeover portion, and the top of changeover portion is fixed and is provided with a tower section of thick bamboo. The utility model discloses the control sinks in-process section of thick bamboo type basis each direction stress point pull-down force is balanced, controllable, adjustable, has maintained the stability of complete machine at the in-process that sinks.
Description
Technical Field
The utility model relates to an offshore wind power technology field, more specifically relates to an utilize offshore wind power integral erection device of mattress-flotation tank.
Background
Offshore wind power has the advantages of low turbulence, excellent wind resources, no land occupation, approach to coastal developed areas of China and the like, and is developed rapidly in recent years. Recently, a batch of offshore wind power plants are built in succession or are being built in the eastern China, and the installed capacity is continuously increased, so that the rapid and efficient building, building and construction method is a key factor for assisting future offshore wind power to enter a high-speed development stage.
The composite cylindrical foundation structure is a relatively fast offshore wind power foundation structure form developed and applied in recent years. Compare in traditional pile foundation structure, the base construction is carried out through the negative pressure mode of sinking to the section of thick bamboo type basis, and foundation structure antidumping ability reinforce, and possess complete machine "step by step" installation function. By "one-step" installation, it is meant that the foundation structure, tower, and head may be prefabricated on shore and then towed to the installation site for overall subsidence.
At present, the cylinder foundation and its 'one-step' installation technology are just in the starting stage. Because the one-step installation requires the complete machine of the foundation, the tower drum and the machine head to tow and sink, the gravity center is higher, the sinking speed, the inclination angle and the attitude control in the sinking process have high requirements, and the inclination angle can not exceed 0.5 percent generally. For the shallow sea environment, the deep sea environment has larger wind waves and higher ocean current speed.
Therefore, there is a need in the art for a solution that can lift a cylindrical infrastructure in a "one-step" installation in a deep sea environment.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art not enough, the utility model provides a safe, quick, high-efficient, economic marine wind power integrated installation device who utilizes mattress-flotation tank.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an offshore wind power integral installation device utilizing a mat and a buoyancy tank comprises a cylindrical foundation, wherein auxiliary buoyancy tanks are arranged around the cylindrical foundation in a surrounding manner, the auxiliary buoyancy tanks are buckled at the outer edge of a top cover of the cylindrical foundation, cylindrical cable buckles are arranged on the auxiliary buoyancy tanks, the buoyancy tank cable buckles are arranged on the cylindrical foundation, exhaust valves and drain valves are arranged on the cylindrical foundation, the exhaust valves are connected with air pumps, the drain valves are connected with water pumps, a mat is arranged below the cylindrical foundation, air bags, inflation equipment, exhaust equipment, water filling equipment and drainage equipment are arranged in the mat, at least two winches are fixedly arranged on the mat, the winches are connected with the auxiliary buoyancy tanks and the cylindrical foundation through cables penetrating through the cylindrical cable buckles and the buoyancy tank cable buckles, a transition section is fixedly arranged above the cylindrical foundation, and a tower cylinder is fixedly arranged above the transition section.
At least two anti-collision cushion blocks are padded between the auxiliary buoyancy tank and the cylindrical foundation.
The number of the anti-collision cushion blocks is six, and the anti-collision cushion blocks are arranged on the outer edge of the top cover of the cylindrical foundation at equal intervals.
The transition section is fixedly connected with the tower barrel through a flange plate.
The buoyancy tank cable buckle is arranged on the inner wall and the outer wall of the auxiliary buoyancy tank, and the barrel cable buckle is arranged on the outer edge of the top cover of the barrel-shaped foundation.
The auxiliary buoyancy tank is a steel structure with a C-shaped or U-shaped horizontal section and a hollow interior.
The sinking pad is of a reinforced concrete structure with a C-shaped or U-shaped horizontal section and a hollow interior.
The transition section is a reinforcement cage.
Six winches are fixedly arranged on the sinking pad.
Compared with the prior art, the utility model beneficial effect be:
1. the sinking pad is provided with an air charging and exhausting device and a water charging and exhausting device, the anti-pulling force in the sinking process is provided by the gravity of the sinking pad, the pulling-down process is controlled by a winch, and the air charging, the air discharging, the water charging or the water discharging are carried out according to the actual needs on site, so that the pulling-down force of the stress point of the cylindrical foundation in each direction in the sinking process is controlled to be balanced, controllable and adjustable, the risk of overlarge dip angle caused by uneven stress in the sinking process is avoided, and the stability of the whole machine in the sinking process is greatly maintained;
2. the buoyancy tank can provide restoring force for the cylindrical foundation during sinking and swinging in cooperation with the cable, and when the inclination angle of the whole machine is overlarge during sinking, the cable is tensioned to right the structure of the whole machine, so that the stability in the sinking process is further improved;
3. the cable and the cable can be flexibly fastened or disassembled on the cable buckle, and the operation process is very simple and convenient;
4. the sinking cushion can be inflated, drained, floated and deflated, flushed and sunk, has a reusable function, and improves the utilization efficiency of the device;
5. the components such as the mattress, the buoyancy tank, the cable and the like are simple in design and manufacture, low in cost and easy to manufacture.
Drawings
Fig. 1 is a schematic structural view of an offshore wind power integrated installation apparatus using a mat-pontoon.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic view of step (one) of an offshore wind power integrated installation method using a mat-pontoon.
Fig. 6 is a schematic view of step (ii) of the offshore wind power integrated installation method using the mat-pontoon.
Fig. 7 is a schematic view of step (three) of an offshore wind power integrated installation method using a mat-pontoon.
Fig. 8 is a schematic view of step (iv) of the offshore wind power integrated installation method using the mat-pontoon.
Fig. 9 is a schematic view of step (five) of the offshore wind power integrated installation method using the mat-pontoon.
Fig. 10 is a schematic view of step (six) of the offshore wind power integrated installation method using the mat-pontoon.
Reference numerals: 1-mat, 2-winch, 3-buoyancy tank, 41-cylinder cable buckle, 42-buoyancy tank cable buckle, 5-crash cushion block, 6-cable, 7-cylinder foundation, 8-transition section, 9-flange plate, 10-tower cylinder and 11-seabed.
Detailed Description
The offshore wind power integral installation device utilizing the mat-buoyancy tanks comprises a cylindrical foundation 7, wherein auxiliary buoyancy tanks 3 are arranged around the cylindrical foundation 7 in a surrounding mode, the auxiliary buoyancy tanks 3 are buckled on the outer edge of a top cover of the cylindrical foundation 7 in a buckling mode, the inner diameter of each auxiliary buoyancy tank 3 is slightly smaller than the outer diameter of the cylindrical foundation 7, the outer diameter of each auxiliary buoyancy tank is larger than the outer diameter of the cylindrical foundation 7, and ridges are arranged on the inner sides of the auxiliary buoyancy tanks 3 and can clamp the cylindrical foundation 7; at least two anti-collision cushion blocks 5 are padded between the auxiliary buoyancy tank 3 and the cylindrical foundation 7 and used for improving the stability of the cylindrical foundation 7 in the sinking process. In this embodiment, crashproof cushion 5 is total six, and equidistant setting is in the top cap outer fringe of cartridge type basis 7 the utility model discloses an in other embodiments, crashproof cushion 5 can be eight, ten or more. Be provided with barrel cable loop 41 on the supplementary flotation tank 3, all be provided with flotation tank cable loop 42 on the cartridge type basis 7, in this embodiment, flotation tank cable loop 42 sets up on the inner wall and the outer wall of supplementary flotation tank 3, and barrel cable loop 41 sets up on the top cap outer fringe of cartridge type basis 7. Be provided with discharge valve and drain valve on the barrel type basis 7, discharge valve is connected with the aspiration pump, and the drain valve is connected with the suction pump, and the below of barrel type basis 7 is provided with heavy pad 1, and heavy pad 1 is inside to be provided with gasbag, inflation equipment, exhaust apparatus, water filling equipment and drainage equipment, and the fixed two at least hoists 2 that are provided with on the heavy pad 1, in this embodiment, fixed six hoists that set up on the heavy pad 1 evenly arrange on heavy pad 1. The cylinder cable buckles 41 and the buoyancy tank cable buckles 42 are also respectively provided with six groups, each group of cylinder cable buckles 41 and buoyancy tank cable buckles 42 corresponds to each winch 2, each winch 2 is connected with the auxiliary buoyancy tank 3 and the cylindrical foundation 7 through cables 6 penetrating through the cylinder cable buckles 41 and the buoyancy tank cable buckles 42, and the shell of each winch 2 is provided with a waterproof protective shell. A transition section 8 is fixedly arranged above the cylindrical foundation 7, and the transition section 8 is a reinforcement cage. A tower barrel 10 is fixedly arranged above the transition section 8, the transition section 8 is fixedly connected with the tower barrel 10 through a flange plate 9, and a fan is installed on the tower barrel 10. The auxiliary buoyancy tank 3 is a steel structure with a C-shaped or U-shaped horizontal cross section and a hollow interior. In this embodiment, the horizontal cross-sectional shape of the auxiliary buoyancy tank 3 is a C-shaped, and the mat 1 is a reinforced concrete structure having a horizontal cross-sectional shape of a C-shaped or U-shaped and hollow inside. In this embodiment, the horizontal cross-section of the mat 1 is C-shaped, with an outer diameter of 100m and a height of 5 m. In the present embodiment, the auxiliary buoyancy tank 3 has an inner diameter of 25m and an outer diameter of 35 m; the diameter of the cylindrical foundation 7 is 30m, the height of the cylindrical foundation is 10m, and the height of the transition section 8 is 30 m.
As shown in fig. 4 to 10, the method for integrally installing offshore wind power by using mat-buoyancy tanks by the above apparatus comprises the steps of:
firstly, a transition section 8, a flange plate 9 and a tower barrel 10 are sequentially assembled above a barrel-shaped foundation 7 from bottom to top, one end of a cable 6 is fixed on a winch 2, a sinking pad 1 is sunk onto a seabed 11, and the cable 6 floats upwards along with the buoyancy of seawater; towing the auxiliary buoyancy tank 3, the anti-collision cushion block 5 and the cylindrical foundation 7 to a designated sinking place;
secondly, sleeving the cable 6 on a cylinder body cable buckle 41 on the outer edge of the top cover of the cylinder type foundation 7, penetrating one end of the cable 6 through a buoyancy tank cable buckle 42 on the inner wall and the outer wall of the auxiliary buoyancy tank 3, and then connecting the cable to the winch 2;
thirdly, starting the winch 2, pulling the auxiliary buoyancy tank 3 down by the winch 2 through the cable 6, driving the anti-collision cushion block 5, the cylindrical foundation 7, the transition section 8, the flange plate 9 and the tower barrel 10 to sink integrally, and adjusting the air pressure and the air pressure distribution inside the cylindrical foundation 7 by pumping air through an air pump connected with a valve on the cylindrical foundation 7 in the sinking process, so that the sinking process is safe and stable, and when the cylindrical foundation 7 is inclined, the cable 6 can be tensioned, so that the whole structure is pulled back;
after the cylindrical foundation 7 sinks to the designated mud surface, the cylindrical cable buckle 41 and the buoyancy tank cable buckle 42 are opened, the cable 6 is released, and the auxiliary buoyancy tank 3 is gradually floated to the water surface through the winch 2; meanwhile, a water pump connected with a valve on the cylindrical foundation 7 pumps water to form negative pressure in the cylindrical foundation 7, so that the cylindrical foundation continues to sink below the mud surface; after the cylindrical foundation 7 sinks to the target depth below the mud surface and the auxiliary buoyancy tank 3 rises to the water surface, the auxiliary buoyancy tank 3 is dragged away by the tugboat;
filling gas into the sinking pad 1 through gas filling equipment, and discharging water in the sinking pad 1 through gas discharging equipment to enable the sinking pad 1 to float upwards;
and (VI) dragging the mat 1 away by the towing ship.
The air charging device in the sinking pad 1 adopts an electronic air charging pump, the air discharging device adopts an electronic air suction pump, gas is pumped into the sinking pad 1 or is pumped out according to the field requirement, the water charging device in the sinking pad 1 adopts a water feeding pump, the water discharging device adopts a water suction pump, and water can be supplied and discharged in the sediment in time according to the requirement of the sinking or floating process of the sinking pad 1. The tower 10 is provided with a fan which can sink together with the tower 10, the cylindrical foundation 7 and other parts.
After the six steps are completed, the method can be repeated at the next installation position, and the next fan is installed.
The above description is only the preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned specific embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020707944.3U CN213062078U (en) | 2020-04-30 | 2020-04-30 | Offshore wind power integral installation device utilizing mat and buoyancy tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020707944.3U CN213062078U (en) | 2020-04-30 | 2020-04-30 | Offshore wind power integral installation device utilizing mat and buoyancy tank |
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| Publication Number | Publication Date |
|---|---|
| CN213062078U true CN213062078U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020707944.3U Expired - Fee Related CN213062078U (en) | 2020-04-30 | 2020-04-30 | Offshore wind power integral installation device utilizing mat and buoyancy tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472377A (en) * | 2020-04-30 | 2020-07-31 | 天津大学 | Offshore wind power integral installation device and method utilizing mat-buoyancy tank |
| CN114604383A (en) * | 2022-03-18 | 2022-06-10 | 蓝洁丰仑海洋科技(上海)有限公司 | Towing buoyancy tank device, lifting type net cage device and using method thereof |
-
2020
- 2020-04-30 CN CN202020707944.3U patent/CN213062078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472377A (en) * | 2020-04-30 | 2020-07-31 | 天津大学 | Offshore wind power integral installation device and method utilizing mat-buoyancy tank |
| CN114604383A (en) * | 2022-03-18 | 2022-06-10 | 蓝洁丰仑海洋科技(上海)有限公司 | Towing buoyancy tank device, lifting type net cage device and using method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |