CN207567801U - A kind of compound bucket foundation of offshore wind farm - Google Patents
A kind of compound bucket foundation of offshore wind farm Download PDFInfo
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- CN207567801U CN207567801U CN201721641592.0U CN201721641592U CN207567801U CN 207567801 U CN207567801 U CN 207567801U CN 201721641592 U CN201721641592 U CN 201721641592U CN 207567801 U CN207567801 U CN 207567801U
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Abstract
The utility model discloses a kind of compound bucket foundations of offshore wind farm, and including top power transmission changeover portion and lower part tubular construction, power transmission changeover portion in top is made of upright steel pipe and diagonal brace steel pipe;Cylindrical structure is made of sheath skirt plate, cylinder head cover, subdivision plate, I-steel girder, I-shaped steel ring beam, concrete head cover, supporting steel plate and ribbed stiffener;Sheath skirt plate and the semiclosed cylindrical structure that Open Side Down of cylinder head cover composition one;Subdivision plate is arranged in the semiclosed cylindrical structure, and semiclosed cylindrical structure is divided into 7~15 independent semiclosed cabins that Open Side Down;It is radially uniform on cylinder head cover to be equipped with 6~12 I-steel girders, it is circumferentially disposed to have 3~6 I-shaped steel ring beams;Ribbed stiffener is equipped on I-steel girder, I-shaped steel ring beam and supporting steel plate;Concrete head cover is additionally provided on cylinder head cover.The utility model solves in the prior art the problems such as compound cylinder-shaped foundation structure is in the form of a single, and the scope of application is small, concrete prefabricated complicated.
Description
Technical field
The utility model is related to offshore wind farm facilities, and in particular to a kind of sea being composed using steel and concrete material
Windward replies conjunction bucket foundation by cable.
Background technology
In recent years, as global energy supplies, energy security and becoming increasingly conspicuous the problems such as ecological environment, wind-powered electricity generation is as one
Kind regenerative resource rapidly develops.And China's wind energy on the sea deposit accounts for the 75% of total wind energy, so offshore wind farm is opened as emphasis
Hair project, is rapidly developed.One of offshore wind power development and the significant difference on land are the entirely different of its basis.It is marine
Blower foundation is in the environment of wind, wave, stream and ice collective effect, and offshore wind turbine must be provided with the big unit of single-machine capacity with
Cost is reduced, therefore the design of offshore wind turbine foundation is not only related to cost of investment, but also be related to total in service phase
Interior safety.So it is of great significance using rational bucket foundation to offshore wind farm development.
Utility model content
The purpose of this utility model is to overcome deficiencies of the prior art, solve compound bucket foundation in the prior art
The problems such as structure type is single, and the scope of application is small, concrete prefabricated complexity, provides a kind of offshore wind farm compound bucket foundation.
The purpose of this utility model is achieved through the following technical solutions:
A kind of compound bucket foundation of offshore wind farm, including top power transmission changeover portion and lower part tubular construction, the top passes
Power changeover portion is made of upright steel pipe and diagonal brace steel pipe, and the surrounding of the upright steel pipe is evenly arranged 6~12 diagonal brace steel
The axis angle of pipe, diagonal brace steel pipe and upright steel pipe is 30~60 °;The cylindrical structure by sheath skirt plate, cylinder head cover, subdivision plate,
I-steel girder, I-shaped steel ring beam, concrete head cover, supporting steel plate and ribbed stiffener composition;Sheath skirt plate is opened with cylinder head cover composition one
The downward semiclosed cylindrical structure of mouth;Subdivision plate is arranged in the semiclosed cylindrical structure, and semiclosed cylindrical structure is divided into 7
~15 independent semiclosed cabins that Open Side Down, semiclosed cabin are formed with positioned at the main cabin at middle part and are uniformly arranged in
The wing tank on main cabin periphery;It is radially uniform on cylinder head cover to be equipped with 6~12 I-steel girders, it is circumferentially disposed to have 3~6 I-shaped steel rings
Beam;The junction of a wherein I-shaped steel ring beam and I-steel girder is equipped with supporting steel plate;The I-steel girder, I-shaped steel ring beam
With ribbed stiffener is equipped on supporting steel plate;Concrete head cover is additionally provided on cylinder head cover.
Specifically, sheath skirt plate, cylinder head cover, subdivision plate, I-steel girder, I-shaped steel ring beam, supporting steel plate and ribbed stiffener lead to
It crosses to be welded to connect and be integrated;Reinforcing bar in concrete head cover connects with cylinder head cover, the main fine strain of millet of I-steel, I-shaped steel ring beam welded chain;Directly
Vertical steel pipe and diagonal brace steel pipe are by being welded to connect;The I-shaped steel ring beam of upright steel pipe and inner ring is welded to connect;Diagonal brace steel pipe lower part
It is welded to connect with supporting steel plate.
Specifically, the concrete head cover uses the c30 concrete of 35~45cm thickness.
Specifically, the I-shaped steel ring beam and I-steel girder use the I-steel of 56c models.
Compared with prior art, advantageous effect caused by the technical solution of the utility model is:
The utility model solves changeover portion using large-tonnage prestressed concrete curvilinear structures combined type bucket foundation
The problems such as difficulty of construction is big, long construction period, key position concrete quality are not easy to control.And this completely new compound bucket foundation
Structure, since main length of load bearing material is steel, only concrete head cover is reinforced concrete structure, and site operation difficulty significantly drops
Low, the requirement to concrete blinding is significantly reduced and with good popularizing application prospect.
Description of the drawings
Fig. 1 is the compound bucket foundation overall structure diagram of the utility model offshore wind farm.
Fig. 2 is I-steel girder and the structure diagram of I-shaped steel ring beam combination connection.
Reference numeral:The upright steel pipes of 1-, 2- diagonal brace steel pipes, 3- I-steel girders, 4- I-shaped steel ring beams, 5- concrete top
Lid, 6- head covers, 7- sheath skirt plates, 8- subdivision plates, 9- supporting steel plates, 10 ribbed stiffeners
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of compound bucket foundation of novel offshore wind farm, by top power transmission changeover portion and lower sleeve
Type structure composition.Power transmission changeover portion in top is made of upright steel pipe 1 and diagonal brace steel pipe 2;Diagonal brace steel pipe 2 is evenly arranged in upright steel
1 surrounding of pipe, upright steel pipe 1 is mainly thick using 5cm in the present embodiment, the steel drum of a diameter of 6m;Diagonal brace steel pipe 2 is thick straight using 2cm
The steel pipe of diameter 1.5m.6 diagonal brace steel pipes 2 are distributed on upright 1 surrounding of steel pipe, diagonal brace steel pipe upper support point away from bottom 8m at, under
Portion's supporting point is in arrangement supporting steel plate 9 on steel I-beam, and supporting steel plate 9 uses the steel plate of 2cm thickness.Cylindrical structure is by sheath skirt plate
7th, 10 groups of cylinder head cover 6, subdivision plate 8, I-steel girder 3, I-shaped steel ring beam 4, concrete head cover 5, supporting steel plate 9 and ribbed stiffener
Into;
Sheath skirt plate 7 and the semiclosed cylindrical structure that Open Side Down of the composition of cylinder head cover 6 one;Subdivision plate 8 is arranged in semiclosed cylinder
In type structure, the space in semiclosed cylindrical structure is divided into 7~15 independent hemi-closure spaces that Open Side Down, centre one
A main cabin, remaining hemi-closure space are identical wing tank, are uniformly arranged in main cabin periphery;Radially uniform arrangement 6 on cylinder head cover 6
~12 I-steel girders 3, it is circumferentially disposed to have 3~6 I-shaped steel ring beams 4;A wherein I-shaped steel ring beam is handed over I-steel girder
It meets place and is equipped with supporting steel plate 9;I-steel girder, I-shaped steel ring beam are designed with ribbed stiffener on supporting steel plate;It is equipped on cylinder head cover
Concrete head cover.
In the present embodiment, the I-steel of I-steel girder 3 and the use 56c models of I-shaped steel ring beam 4, concrete head cover 5 is adopted
With the c30 concrete of 40cm thickness.Sheath skirt plate 7 uses diameter 30cm, the skirtboard of wall thickness 2cm, 6 steel plate thickness 1cm of cylinder head cover, subdivision plate
8 thickness 1cm, sheath skirt plate, cylinder head cover, subdivision plate, I-steel girder, I-shaped steel ring beam, supporting steel plate, ribbed stiffener are by being welded to connect
Integrally;Reinforcing bar in concrete head cover connects with cylinder head cover, the main fine strain of millet of I-steel, I-shaped steel ring beam welded chain;Upright steel pipe and tiltedly
Steel pipe is supportted by being welded to connect;The I-shaped steel ring beam of upright steel pipe and inner ring is welded to connect;Diagonal brace steel pipe lower part and supporting steel plate
It is welded to connect.Each component is prefabricated by land, assembling, and maritime air float support boat, negative pressure is sunk.
The utility model is not limited to embodiments described above.Above the description of specific embodiment is intended to describe
With illustrate the technical solution of the utility model, above-mentioned specific embodiment is only schematical, is not restricted.
In the case of not departing from the utility model aims and scope of the claimed protection, those of ordinary skill in the art are in this practicality
The specific transformation of many forms can be also made under novel enlightenment, these are belonged within the scope of protection of the utility model.
Claims (4)
1. a kind of compound bucket foundation of offshore wind farm, which is characterized in that including top power transmission changeover portion and lower part tubular construction, institute
It states top power transmission changeover portion to be made of upright steel pipe and diagonal brace steel pipe, the surrounding of the upright steel pipe is evenly arranged 6~12 institutes
State diagonal brace steel pipe, the axis angle of diagonal brace steel pipe and upright steel pipe is 30~60 °;The cylindrical structure by sheath skirt plate, cylinder head cover,
Subdivision plate, I-steel girder, I-shaped steel ring beam, concrete head cover, supporting steel plate and ribbed stiffener composition;Sheath skirt plate and cylinder head cover group
Into a semiclosed cylindrical structure that Open Side Down;Subdivision plate is arranged in the semiclosed cylindrical structure, by semiclosed cartridge type knot
Structure is divided into 7~15 independent semiclosed cabins that Open Side Down, and semiclosed cabin is formed with positioned at the main cabin at middle part and uniformly
The wing tank for being arranged in main cabin periphery;It is radially uniform on cylinder head cover to be equipped with 6~12 I-steel girders, it is circumferentially disposed to have 3~6
I-shaped steel ring beam;The junction of a wherein I-shaped steel ring beam and I-steel girder is equipped with supporting steel plate;The I-steel girder, work
Ribbed stiffener is equipped on word steel ring beam and supporting steel plate;Concrete head cover is additionally provided on cylinder head cover.
2. the compound bucket foundation of a kind of offshore wind farm according to claim 1, which is characterized in that sheath skirt plate, cylinder head cover, subdivision
Plate, I-steel girder, I-shaped steel ring beam, supporting steel plate and ribbed stiffener are integrated by being welded to connect;Steel in concrete head cover
Muscle connects with cylinder head cover, the main fine strain of millet of I-steel, I-shaped steel ring beam welded chain;Upright steel pipe and diagonal brace steel pipe are by being welded to connect;Uprightly
The I-shaped steel ring beam of steel pipe and inner ring is welded to connect;Diagonal brace steel pipe lower part is welded to connect with supporting steel plate.
3. the compound bucket foundation of a kind of offshore wind farm according to claim 1, which is characterized in that the concrete head cover uses
The c30 concrete of 35~45cm thickness.
4. the compound bucket foundation of a kind of offshore wind farm according to claim 1, which is characterized in that the I-shaped steel ring beam and work
Word steel girder uses the I-steel of 56c models.
Priority Applications (1)
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CN201721641592.0U CN207567801U (en) | 2017-11-30 | 2017-11-30 | A kind of compound bucket foundation of offshore wind farm |
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CN201721641592.0U CN207567801U (en) | 2017-11-30 | 2017-11-30 | A kind of compound bucket foundation of offshore wind farm |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107761755A (en) * | 2017-11-30 | 2018-03-06 | 天津大学 | A kind of compound bucket foundation of offshore wind farm |
CN110453710A (en) * | 2019-06-28 | 2019-11-15 | 天津大学 | A kind of more jacket frame foundation structures of combined type and its construction method |
-
2017
- 2017-11-30 CN CN201721641592.0U patent/CN207567801U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107761755A (en) * | 2017-11-30 | 2018-03-06 | 天津大学 | A kind of compound bucket foundation of offshore wind farm |
CN110453710A (en) * | 2019-06-28 | 2019-11-15 | 天津大学 | A kind of more jacket frame foundation structures of combined type and its construction method |
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Effective date of registration: 20200724 Address after: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Co-patentee after: China Three Gorges new energy (Group) Co.,Ltd. Patentee after: Tianjin University Address before: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee before: Tianjin University |