CN202148536U - Self-floating barrel-shaped foundation of offshore wind power generator set - Google Patents
Self-floating barrel-shaped foundation of offshore wind power generator set Download PDFInfo
- Publication number
- CN202148536U CN202148536U CN201120245342U CN201120245342U CN202148536U CN 202148536 U CN202148536 U CN 202148536U CN 201120245342 U CN201120245342 U CN 201120245342U CN 201120245342 U CN201120245342 U CN 201120245342U CN 202148536 U CN202148536 U CN 202148536U
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- barrel
- connecting cylinder
- sleeve
- bung
- offshore wind
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Abstract
The utility model discloses a self-floating barrel-shaped foundation of an offshore wind power generator set. The self-floating barrel-shaped foundation comprises a barrel skirt, a barrel cover and a connecting barrel, wherein the barrel skirt, the barrel cover and the connecting barrel are fixedly connected to one another in sequence from bottom to top, a sleeve is fixed on the barrel cover in a sealing manner, one end of the connecting barrel is connected with the barrel cover and is sealed in the sleeve, a top plate of the connecting barrel is arranged in the connecting barrel, and a vertical displacement sensor is fixedly arranged on the connecting barrel. In the utility model, as a space is arranged between the sleeve as well as the barrel cover and the connecting barrel, the foundation can independently float on the sea and can be transported in a towing manner without needing a specific barge, so that simple process and lower cost for offshore transportation and penetration construction can be realized.
Description
Technical field
The utility model relates to a kind of foundation structure form of offshore wind farm unit.
Background technology
Barrel base of the prior art is made up of the bucket skirt, bung and the connecting cylinder that are fixedly connected successively from bottom to top.
Marine transportation is one of greatest difficulty in the present bucket foundation of offshore wind power generating set work progress: the marine transportation on offshore wind farm unit basis often needs special barge container, and expense is higher, and the handling process is loaded down with trivial details, complicated.The conventional single pile basis of offshore wind farm unit or multi-column pier foundation all need specialty piling ship when construction.At present China remains certain difficulty for the construction on offshore wind farm unit super-large diameter single pile basis, and also need set up interim operation platform and template during the construction of the concrete bearing platform of multi-column pier foundation, and work progress is complicated, and foundation cost is expensive.
The utility model content
The utility model technical problem to be solved provide a kind of from transportation by driving defeated bucket foundation of offshore wind power generating set.
The utility model solves the technical scheme that its technical problem adopted: should comprise bucket skirt, bung and the connecting cylinder that is fixedly connected successively from bottom to top from the defeated bucket foundation of offshore wind power generating set of transportation by driving; Wherein, Sealing and fixing has a sleeve on the said bung; Placing in the sleeve with the joining end sealing of bung of connecting cylinder is provided with the connecting cylinder top board in the connecting cylinder, be installed with the vertical displacement sensor on the connecting cylinder.
Further, on said connecting cylinder of the utility model and the bung outlet valve is set all.
Further, the said connecting cylinder of the utility model is provided with the concrete spouting valve.
When the utility model used, all valves of closing barrel base made the bed rearrangement barrel base from floating on the sea, and towage is transported to the appointed place then; Seawater is poured into the confined space that is formed by sleeve, bung, connecting cylinder and connecting cylinder top board, make barrel base sink down into the seabed and be vertical state; Hard-wired vertical displacement sensor can be controlled suction penetration on the connecting cylinder.
The beneficial effect of the utility model is: (1) is through sealing and fixing one sleeve on bung; Utilize the space that forms between this sleeve and bung and the connecting cylinder; The displacement of volume that increases barrel base increases the buoyancy of barrel base in seawater; Thereby make and to float on the sea certainly and to carry out the towage transportation in the basis, do not need special barge, make marine transportation pass through with heavy that work progress is simple, expense is lower.(2) bodily form of bucket foundation of offshore wind power generating set is bigger, and flexing takes place structure partial easily, and the utility model is provided with some bung floors between bung, seal sleeve and connecting cylinder, has effectively strengthened the rigidity of connecting cylinder and bung connecting portion.In addition, in this barrel base suction penetration process, a negative pressure possibly cause a barrel skirt flexing in the bucket, thereby some barrels of skirt floors are set on the bucket skirt can avoid producing this phenomenon.(3) load that topples is the primary load that bear on offshore wind farm unit basis.The vertical load that increases this barrel base to a certain extent and born can increase its bearing capacity that topples.Thereby the concrete spouting valve is set on the connecting cylinder;, passes through this barrel base suction penetration this valve concrete perfusion in connecting cylinder and the formed enclosure space of top board, bung and seal sleeve thereof after accomplishing; To conduct oneself with dignity and increase its bearing capacity that topples, increase the rigidity of connecting cylinder and bung connecting portion simultaneously through increasing this barrel base.
Description of drawings
Fig. 1 is the structural representation behind the utility model concrete perfusion;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is that the utility model barrel base carries out the sketch map of towage transportation from floating on the sea;
Fig. 5 is the view that seawater pours into barrel base in seal sleeve and the connecting cylinder internal procedure;
Fig. 6 is the view of the utility model barrel base at deadweight effect lower part injection sea bed;
Fig. 7 is the sketch map of the utility model barrel base suction penetration process;
Fig. 8 be the utility model barrel base heavy pass through accomplish after in connecting cylinder and seal sleeve the sketch map behind the concrete perfusion;
Among the figure: 1, bucket skirt, 2, bung, 3, connecting cylinder, 4, sleeve; 5, guardrail, 6, the concrete spouting valve, 7, the valve that draws water, 8, outlet valve; 9, vertical displacement sensor, 10, the bung floor, 11, bucket skirt floor, 12, the connecting cylinder top board; 13, concrete, 14, the sea, 15, sea bed, 16, geotextile sand pocket or jackstone.
The specific embodiment
As shown in Figure 1, the utility model barrel base comprises bucket skirt 1, bung 2 and the connecting cylinder 3 that is fixedly connected successively from bottom to top.The vertical displacement sensor 9 that is installed on the lateral wall of connecting cylinder 3 is used for monitoring barrel base in the heavy vertical heavy displacement of passing through of passing through process.In the chamber of connecting cylinder 3, be installed with connecting cylinder top board 12, this connecting cylinder top board 12 can be installed in the top of connecting cylinder 3 or the appropriate location below the top.On connecting cylinder 3 sidewalls that are positioned at below the connecting cylinder top board 12, concrete spouting valve 6 is installed.
Also sealing and fixing has a sleeve 4 on bung 2, and sealing with bung 2 joining ends of connecting cylinder 3 places in the sleeve 4.For strengthening the rigidity of bung 2, can as shown in figures 1 and 3ly between the outer wall of bung 2 and connecting cylinder 3, be welded with bung floor 10.For the rigidity of roller hoop drum skirt 1, as depicted in figs. 1 and 2, can on the inwall of bucket skirt 1, vertically be welded with a barrel skirt floor 11.
As shown in Figure 1, outlet valve 8 is installed on bung 2.Have a steel pipe to be inserted in the sleeve 4 and run through bung 2, make encapsulation process respectively in this steel pipe and the junction of sleeve 4 and bung 2, this steel pipe is exposed at sleeve 4 ends outward the valve 7 that draws water is installed.During use, open in the 7 pairs of buckets of valve that draw water and take out negative pressure, make the inside and outside formation of bucket pressure differential, thereby barrel base is passed through to sinking.
In addition, an outlet valve 8 also is installed on the sidewall of connecting cylinder 3.
As shown in Figure 4; Close all valves of barrel base; Like concrete spouting valve 6, valve 7 and outlet valve 8 etc. draw water; Make the air in bung 2, connecting cylinder 3, seal sleeve 4 and the connecting cylinder top board 12 formed enclosure spaces make the bed rearrangement barrel base horizontal basically from floating on sea 14, to make things convenient for towage to formulating construction location.The construction location of this barrel base is the foundation soil of the certain thickness sea bed 15 of removal in advance, and suction penetration forms the height that soil is filled in the bucket to offset, and reduces to wash away influence.
Like Fig. 5 and shown in Figure 6, open respectively draw water valve 7 and outlet valve 8, make seawater pour in the connecting cylinder 3.For seawater is poured in the sleeve 4, can perforate on the sidewall of the part in connecting cylinder 3 places sleeve 4, perhaps directly perforate on the wall of sleeve 4.Thus, be full of seawater in the confined space that between bung 2, connecting cylinder 3 and sleeve 4, forms, make the bed rearrangement barrel base under the deadweight effect, slowly be vertical state shown in Figure 6.
As shown in Figure 6, treat that the fully vertical continued of barrel base through outlet valve 8 exhausts, makes this barrel base at deadweight effect lower part injection sea bed 15.
As shown in Figure 7, the valve 7 of drawing water connect suction pump on the ships in the bucket to extracardiac pumping, thereby in bucket, form certain negative pressure, make barrel base progressively heavy injection sea bed under the vertical pressure difference effect inside and outside the bucket.
Negative pressure value is estimated through static sounding (CPT) experimental data of the ground of sea bed 15 in the bucket, and carries out FEEDBACK CONTROL through vertical displacement sensor 9 in the work progress heavy passing through.
As the further improvement of the utility model, as shown in Figure 8, can close the outlet valve 8 on connecting cylinder 3 walls and the valve 7 that draws water, and pass through concrete spouting valve 6 to connecting cylinder 3 concrete perfusions 13.Concrete can flow into the space that forms between connecting cylinder 3, sleeve 4 and the bung 2 through the hole on connecting cylinder 3 sidewalls; Perhaps directly through being located at the hole concrete perfusion in sleeve 4 on the sleeve 4.The deadweight of this barrel base increases like this, improves its bearing capacity that topples thus, and increase simultaneously connecting cylinder 3 and with the rigidity of bung 2 connecting portions.Begin the construction of superstructures such as next step tower tube after the construction of this barrel base is accomplished, and geotextile sand pocket or jackstone 16 are set around this barrel base wash away preventing.
Claims (3)
1. one kind from the defeated bucket foundation of offshore wind power generating set of transportation by driving; Comprise the bucket skirt, bung and the connecting cylinder that are fixedly connected successively from bottom to top; It is characterized in that: sealing and fixing has a sleeve on the said bung; Placing in the sleeve with the joining end sealing of bung of connecting cylinder is provided with the connecting cylinder top board in the connecting cylinder, be installed with the vertical displacement sensor on the connecting cylinder.
2. according to claim 1 from the defeated bucket foundation of offshore wind power generating set of transportation by driving, it is characterized in that: be provided with outlet valve on said connecting cylinder and the bung.
3. according to claim 1 from the defeated bucket foundation of offshore wind power generating set of transportation by driving, it is characterized in that: the concrete spouting valve is installed on the said connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120245342U CN202148536U (en) | 2011-07-13 | 2011-07-13 | Self-floating barrel-shaped foundation of offshore wind power generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120245342U CN202148536U (en) | 2011-07-13 | 2011-07-13 | Self-floating barrel-shaped foundation of offshore wind power generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202148536U true CN202148536U (en) | 2012-02-22 |
Family
ID=45589599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120245342U Expired - Lifetime CN202148536U (en) | 2011-07-13 | 2011-07-13 | Self-floating barrel-shaped foundation of offshore wind power generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202148536U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644293A (en) * | 2012-04-25 | 2012-08-22 | 中交第二航务工程局有限公司 | Pile foundation bucket foundation and construction method thereof |
| CN103015455A (en) * | 2012-04-25 | 2013-04-03 | 中交第二航务工程局有限公司 | Bridge pile-bucket combined foundation and construction method thereof |
| CN105501396A (en) * | 2015-12-18 | 2016-04-20 | 新疆金风科技股份有限公司 | Negative pressure bucket anchoring device provided with barbs, installation method and floating type offshore wind plant |
| CN110965568A (en) * | 2018-09-30 | 2020-04-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Fan system, composite foundation and construction method thereof |
-
2011
- 2011-07-13 CN CN201120245342U patent/CN202148536U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644293A (en) * | 2012-04-25 | 2012-08-22 | 中交第二航务工程局有限公司 | Pile foundation bucket foundation and construction method thereof |
| CN103015455A (en) * | 2012-04-25 | 2013-04-03 | 中交第二航务工程局有限公司 | Bridge pile-bucket combined foundation and construction method thereof |
| CN102644293B (en) * | 2012-04-25 | 2014-09-10 | 中交第二航务工程局有限公司 | Pile foundation bucket foundation and construction method thereof |
| CN103015455B (en) * | 2012-04-25 | 2015-03-18 | 中交第二航务工程局有限公司 | Bridge pile-bucket combined foundation and construction method thereof |
| CN105501396A (en) * | 2015-12-18 | 2016-04-20 | 新疆金风科技股份有限公司 | Negative pressure bucket anchoring device provided with barbs, installation method and floating type offshore wind plant |
| CN105501396B (en) * | 2015-12-18 | 2018-06-29 | 新疆金风科技股份有限公司 | Negative pressure bucket anchor, installation method and floatation type marine wind electric field with hangnail |
| CN110965568A (en) * | 2018-09-30 | 2020-04-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Fan system, composite foundation and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120222 |
|
| CX01 | Expiry of patent term |