CN210529738U - Novel plug-in type steel cylinder wind power foundation - Google Patents
Novel plug-in type steel cylinder wind power foundation Download PDFInfo
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- CN210529738U CN210529738U CN201921244146.5U CN201921244146U CN210529738U CN 210529738 U CN210529738 U CN 210529738U CN 201921244146 U CN201921244146 U CN 201921244146U CN 210529738 U CN210529738 U CN 210529738U
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Abstract
The utility model discloses a novel bayonet steel drum wind power basis relates to marine wind power basis technical field. The utility model discloses an upper portion jacket structure, first lower part basis steel drum structure and second lower part basis steel drum structure, upper portion jacket structure include jacket, bracing, fan connection changeover portion, leg stake, and lower part basis steel drum structure includes the steel drum, is fixed with horizontal trapezoidal rib along the circumference equidistance on the steel drum inner wall, runs through on the horizontal trapezoidal rib have with leg stake matched with reserve the steel drum. The utility model discloses a basic rigidity is big, and antidumping ability reinforce, and anti deformability is strong, and because the jacket is the empty structure, it receives wave and rivers load little, and the security is high, and steel drum itself is good, fast as foundation structure, and the ability of sinking adapts to all kinds of geological conditions, and all components are all prefabricated on land, and transport is installed toward the construction site, and is efficient, and it is little to receive weather effect, can be used to wind-powered electricity generation basis under the complicated sea condition and use.
Description
Technical Field
The utility model belongs to the technical field of marine wind power basis, especially, relate to a novel bayonet steel drum wind power basis.
Background
The wind energy is a clean and environment-friendly renewable energy source, cannot be gradually reduced along with self conversion and human utilization, has the advantages of long-term property, periodicity and reproducibility, and is a real green energy source. At present, the main application of wind energy is wind turbine power generation, wind power generation can be realized by utilizing wind power, wind energy can be effectively utilized, and with the large-scale development and utilization of offshore wind energy, an offshore wind turbine foundation becomes another important ocean engineering structure and is more and more highly valued by the nation.
At present, offshore wind power construction is mainly focused on the southeast coastal areas, the wind power is sufficient in storage under the action of monsoon and tropical cyclone, but the environmental conditions are severe, the problems of strong corrosion and aging caused by high-temperature strong ultraviolet rays, high humidity and high salt are solved in the development process, and the influences of strong wind and strong wave caused by monsoon and tropical cyclone on wind power basic design and construction are met. Therefore, the problems of large design load, short construction period, bad construction operation conditions and the like of the offshore wind power foundation are solved, and the main factors restricting the development of the offshore wind power are solved.
The traditional structural form of the offshore wind power foundation comprises the following steps: the gravity type structure foundation, the high pile bearing platform type structure foundation, the single pile or multi-pile type foundation, the jacket foundation, the suction cylinder type foundation and the like, wherein the gravity type structure foundation and the high pile bearing platform type structure foundation have large structural sections under deep water conditions and extremely high manufacturing cost, and the single pile or multi-pile type foundation and the jacket foundation need rock-socketed construction at higher positions of a rock surface, so that the construction period is long and the project cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel bayonet steel drum wind power basis, the negative pressure section of thick bamboo basis jacket that has proposed novel gravity type basis combination upper portion open-air structure, and the big cylinder jacket basis scheme of shaking and sinking, a section of thick bamboo-soil harmonious ground bearing mode has been innovated, furthest has exerted the bearing capacity on the weak soil layer in ground upper portion, avoid traditional pile foundation need inlay the requirement that the rock could satisfy the bearing capacity, it is high to have solved traditional marine wind power foundation structure form cost, single pile or many pile formula basis, jacket basis all need inlay the rock construction in rock face higher department, lead to the period long, the problem that project cost is high.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a novel bayonet steel drum wind-powered electricity generation basis, including upper portion jacket structure, first lower part basis steel drum structure and second lower part basis steel drum structure, upper portion jacket structure includes jacket, bracing, fan connection changeover portion, leg stake.
The lower part foundation steel drum structure includes the steel drum, be fixed with horizontal trapezoidal rib along circumference equidistance on the steel drum inner wall, run through on the horizontal trapezoidal rib have with leg stake matched with reserve steel sleeve, the position that just is located reserve steel sleeve both sides on the steel drum inner wall all is fixed with long floor, run through on the horizontal trapezoidal rib have with reserve steel sleeve coaxial direction's short floor.
The second lower part foundation steel cylinder structure comprises a second steel cylinder, an inner cylinder is fixed on the inner wall of the second steel cylinder through a main short rib, a second reserved steel cylinder is arranged between the outer wall of the inner cylinder and the inner wall of the second steel cylinder, a sleeve reinforcing rib is fixed on the second reserved steel cylinder, and a secondary short rib is arranged between the main short rib and the second reserved steel cylinder.
Furthermore, the jacket structure on the upper part is a truss structure consisting of jacket, diagonal braces, fan connecting transition sections and leg piles.
Furthermore, the inclined struts are arranged in an X-shaped mode, the diameter of each inclined strut is larger than 0.8m, the diameter of the jacket is selected within the range of 1.5m-2.0m, and the bottom end of the jacket is fixedly connected with the leg piles.
Further, the steel cylinder has a diameter of between 20m and 40m, a wall thickness of between 15mm and 40mm and a height of between about 10m and 45 m.
Furthermore, the reserved steel sleeve is connected with the inner wall of the steel cylinder through a short rib plate which is located vertically downwards, the short rib plate is located in the middle of the reserved steel sleeve, the upper end of the short rib plate is flush with the top of the steel cylinder, the length of the short rib plate is 5-25 m, and the short rib plate is adjusted according to the soft foundation and the stress range.
Furthermore, the long ribbed plates are vertically arranged at the positions of about 1-2m away from the edges of the two sides of the reserved steel cylinder, and the long ribbed plates can be as long as the steel cylinder.
Furthermore, the transverse trapezoidal ribs are arranged on the inner wall of the steel cylinder at equal intervals along the axial direction of the reserved steel cylinder, the interval can be 0.5m-1m, and the number can be 4-8.
The utility model discloses following beneficial effect has:
1. the utility model discloses break through traditional structural style, can synthesize the advantage that absorbs traditional structure again, the negative pressure section of thick bamboo basis jacket that novel gravity type basis combines the permeable structure in upper portion, and the big cylinder jacket basic scheme that shakes and sinks, a section of thick bamboo-soil harmonious ground bearing mode has been innovated, furthest has exerted the bearing capacity on the weak soil layer in ground upper portion, avoid traditional pile foundation to need to inlay the requirement that the rock could satisfy the bearing capacity, utilize the steel cylinder, the jacket is easily prefabricated, easily transport, easy construction, the characteristics that the anti wave nature is good, realize this novel structure superstrong stability in open sea adverse circumstances, the wave resistance, simultaneously can reduce the time limit for a project towards the construction, guarantee large batch wind-powered electricity generation basis accomplishes construction and installation in limited activity duration.
2. The utility model discloses basic rigidity is big, and antidumping ability is strong, and resistance to deformation ability reinforce, and because the jacket is the empty structure, it receives wave and rivers load little, and the security is high, and steel drum itself is good, fast as foundation structure, and the ability of sinking adapts to all kinds of geological conditions, and all components are all prefabricated on land, and transport is installed toward the construction site, and is efficient, and it is little to receive weather effect, can be used to wind-powered electricity generation basis under the complicated sea condition and use.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an upper jacket structure of the present invention;
FIG. 2 shows a first lower base steel cylinder structure of the present invention;
FIG. 3 is a second lower base steel cylinder structure of the present invention;
FIG. 4 is a schematic view of the upper jacket structure of the present invention mating with a first lower base steel cylinder structure;
fig. 5 is a schematic structural view of the upper jacket structure and the second lower base steel cylinder structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-jacket, 2-diagonal brace, 3-fan connecting transition section, 4-leg pile, 5-steel cylinder, 6-transverse trapezoidal rib, 7-reserved steel cylinder, 8-long rib plate, 9-short rib plate, 10-second steel cylinder, 11-main short rib, 12-inner cylinder, 13-second reserved steel cylinder, 14-sleeve reinforcing rib and 15-secondary short rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention relates to a novel plug-in steel cylinder wind power foundation, which comprises an upper jacket structure, a first lower base steel cylinder structure and a second lower base steel cylinder structure, wherein the upper jacket structure comprises a jacket 1, an inclined strut 2, a fan connecting transition section 3 and leg piles 4.
The lower part foundation steel cylinder structure comprises a steel cylinder 5, transverse trapezoidal ribs 6 are fixed on the inner wall of the steel cylinder 5 along the circumferential equal distance, reserved steel sleeves 7 matched with the leg piles 4 penetrate through the transverse trapezoidal ribs 6, long rib plates 8 are fixed on the inner wall of the steel cylinder 5 and located on two sides of each reserved steel sleeve 7, and short rib plates 9 in the same axial direction with the reserved steel sleeves 7 penetrate through the transverse trapezoidal ribs 6.
The second lower part foundation steel cylinder structure comprises a second steel cylinder 10, an inner cylinder 12 is fixed on the inner wall of the second steel cylinder 10 through a main short rib 11, a second reserved steel cylinder 13 is arranged between the outer wall of the inner cylinder 12 and the inner wall of the second steel cylinder 10, a sleeve reinforcing rib 14 is fixed on the second reserved steel cylinder 13, and a secondary short rib 15 is arranged between the main short rib 11 and the second reserved steel cylinder 13.
The jacket structure at the upper part is a truss structure consisting of a jacket 1, inclined struts 2, a fan connecting transition section 3 and leg piles 4, and the jacket 1 structure can be a three-pipe type or a four-pipe type and is determined by load calculation.
The inclined struts 2 are arranged in an X-shaped mode, the diameter of each inclined strut is larger than 0.8m, the diameter selection range of the jacket 1 is 1.5m-2.0m, and the bottom end of the jacket 1 is fixedly connected with the leg piles 4.
The reserved steel sleeve 7 is connected with the inner wall of the steel cylinder 5 through a short rib plate 9 located vertically downwards, the short rib plate 9 is located in the middle of the reserved steel sleeve 7, the upper end of the short rib plate 9 is flush with the top of the steel cylinder 5, the length of the short rib plate is 5-25 m, and the steel cylinder is adjusted according to the soft foundation and the stress range.
Wherein, the long ribbed plate 8 is vertically arranged at the position of about 1-2m of the two side edges of the reserved steel sleeve 7, and the long ribbed plate 8 can be as long as the steel cylinder 5.
Wherein, the transverse trapezoidal ribs 6 are arranged on the inner wall of the steel cylinder 5 at equal intervals along the axial direction of the reserved steel sleeve 7, the interval can be 0.5m to 1m, and the number can be 4 to 8.
The steel cylinder is manufactured by a vertical block method and finally folded into a whole; the jacket is made of pipe joints, assembled and welded into a steel pipe, and integrally welded and assembled, and the steel cylinder 5 and the jacket 1 adopt a vertical shipping scheme; the steel cylinder 5 has a diameter of about 20m to 40m, a wall thickness of 15mm to 40mm, and a height of about 10m to 45m, and has two embodiments:
example 1
Referring to fig. 1, 2 and 4, reserved steel sleeves 7 are welded at four positions of a steel cylinder 5 corresponding to an upper jacket structure leg pile 4, if the upper jacket is of a three-pipe type, the reserved steel sleeves 7 and adjacent parts of the reserved steel sleeves are correspondingly reduced, the reserved steel sleeves 7 and the upper jacket 1 are arranged at equal intervals along the circumferential direction of the steel cylinder 5, the diameter of each reserved steel sleeve 7 is 2.0-3.0 m, the leg pile 4 and the reserved steel sleeves 7 are connected in a grouting mode, the end parts of the reserved steel sleeves 7 are sealed in an inclined plate mode, hole cleaning is avoided, and the length of each reserved steel sleeve 7 is 10-45 m and is determined according to the soft soil condition. The reserved steel sleeve 7 is connected with the steel cylinder 5 through a short rib plate 9 located vertically downwards, the short rib plate 9 is located in the middle of the reserved steel sleeve 7, the upper end of the short rib plate 9 is flush with the top of the steel cylinder 5, the length of the short rib plate is 5m-25m, the short rib plate is adjusted according to the stress range of a soft foundation, vertical long rib plates 8 are arranged at the positions of about 1m-2m of the edges of the two sides of the reserved steel sleeve 7, the long rib plates 8 can be as long as the steel cylinder 5, transverse trapezoidal ribs 6 which are arranged at equal intervals are arranged at the top end of the reserved steel sleeve 7, the intervals can be 0.5m-1m, the number of the long rib plates can be 4-8, the lengths of the short edges of the transverse trapezoidal ribs 6 can be. The reserved steel sleeve 7 is closely connected with the steel cylinder 5 into a whole through the long rib plate 8 and the transverse trapezoidal ribs 6, so that the load effect of the upper structure jacket can be effectively transmitted to the steel cylinder 5 of the lower foundation, the integral rigidity of the steel cylinder 5 is increased, and the anti-distortion capability of the steel cylinder 5 is improved.
Example 2
Referring to fig. 1, 3 and 5, second reserved steel sleeves 13 are welded at four positions of a second steel cylinder 10 corresponding to an upper jacket structure leg pile 4, if the upper jacket is of a 3-pipe type, the reserved steel sleeves and adjacent parts of the reserved steel sleeves are correspondingly reduced, the reserved steel sleeves and the upper jacket are arranged at equal intervals along the circular direction of the steel cylinder, the diameter of each second reserved steel sleeve 13 is 2m-3m, the leg pile 4 and the second reserved steel sleeve 13 are connected in a grouting mode, and the end parts of the second reserved steel sleeves 13 are sealed in an inclined plate mode to avoid hole cleaning. The second reserved steel sleeve 13 is of a hole-shaped structure, the top and the bottom of the second reserved steel sleeve 3 are welded by steel plates and are welded with the inner cylinder 12 into a whole, the length of the second reserved steel sleeve 13 can be 5-10 m, the top steel plate is a top sealing plate, the bottom steel plate is a bottom sealing plate, the steel plates on two sides are sleeve reinforcing ribs 14 which are in a right trapezoid shape and have the height equal to the distance between the inner cylinder 12 and the second steel cylinder 10, the diameter of the inner cylinder 12 is about 3-5 m smaller than that of the second steel cylinder 10, the length of a short side is the depth of the inner cylinder 12, the length of a long side is equal to that of the second steel cylinder 10, a main short rib 11 is arranged between the inner cylinder 12 and the second steel cylinder 10, the main short rib 11 is of a rectangular structure, the height is the distance between the inner cylinder 12 and the second steel cylinder 10, the length of the inner cylinder 10 is the depth, a secondary short rib 15 is arranged between the main, the number of the second short ribs can be uniformly distributed from 2 to 4, the length of the long side of each second short rib 15 can be 2 times that of the short side, and other parameters are consistent with those of the sleeve reinforcing rib 14. Inner cylinder 12 is connected through sleeve stiffening rib 14, main short rib 11, time short rib 15 and second steel drum 10 and becomes a whole, and superstructure passes through the leg, and 4 is connected with the grout of second reservation steel drum 13 and has formed holistic novel wind-powered electricity generation basis.
This patent foundation rigidity is big, and antidumping ability reinforce, and the resistance to deformation ability reinforce, and because the jacket is the empty structure that passes through, it is little by wave and rivers load, and the security is high, and steel drum itself is good, fast as foundation structure, and the ability of sinking adapts to all kinds of geological conditions, and all components are all prefabricated on land, transport to the construction site and install, and is efficient, and it is little by weather influence, can be used to wind-powered electricity generation foundation under the complicated sea condition and use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a novel bayonet steel drum wind-powered electricity generation basis which characterized in that: the structure comprises an upper jacket structure, a first lower basic steel cylinder structure and a second lower basic steel cylinder structure, wherein the upper jacket structure comprises a jacket (1), inclined struts (2), a fan connecting transition section (3) and leg piles (4);
the first lower basic steel cylinder structure comprises a steel cylinder (5), transverse trapezoidal ribs (6) are fixed on the inner wall of the steel cylinder (5) at equal intervals along the circumferential direction, reserved steel sleeves (7) matched with leg piles (4) penetrate through the transverse trapezoidal ribs (6), long rib plates (8) are fixed on the positions, located on two sides of the reserved steel sleeves (7), on the inner wall of the steel cylinder (5), and short rib plates (9) coaxial with the reserved steel sleeves (7) penetrate through the transverse trapezoidal ribs (6);
the second lower part foundation steel cylinder structure comprises a second steel cylinder (10), an inner cylinder (12) is fixed on the inner wall of the second steel cylinder (10) through a main short rib (11), a second reserved steel cylinder (13) is arranged between the outer wall of the inner cylinder (12) and the inner wall of the second steel cylinder (10), a sleeve reinforcing rib (14) is fixed on the second reserved steel cylinder (13), and a secondary short rib (15) is arranged between the main short rib (11) and the second reserved steel cylinder (13).
2. The novel plug-in type steel cylinder wind power foundation according to claim 1, wherein the upper jacket structure is a truss structure consisting of a jacket (1), inclined struts (2), a fan connecting transition section (3) and leg piles (4).
3. The novel plug-in type steel cylinder wind power foundation according to claim 1, characterized in that the inclined struts (2) are arranged in an X shape, the diameter of the inclined struts is larger than 0.8m, the diameter of the jacket (1) is selected from the range of 1.5m-2.0m, and the bottom end of the jacket (1) is fixedly connected with the leg piles (4).
4. A new plug-in steel cylinder wind power foundation according to claim 1, characterized in that the steel cylinder (5) has a diameter between 20m-40m, a wall thickness between 15mm-40mm and a height between about 10m-45 m.
5. The novel plug-in type steel cylinder wind power foundation according to claim 1, characterized in that the reserved steel cylinder (7) is connected with the inner wall of the steel cylinder (5) through a short rib plate (9) which is located vertically downwards, the short rib plate (9) is located in the middle of the reserved steel cylinder (7), the upper end of the short rib plate (9) is flush with the top of the steel cylinder (5), the length of the short rib plate is 5m-25m, and the length of the short rib plate is adjusted according to the soft foundation and the stress range.
6. The novel plug-in type steel cylinder wind power foundation according to claim 1, characterized in that the long rib plates (8) are vertically arranged at about 1-2m of the two side edges of the reserved steel cylinder (7), and the long rib plates (8) can be as long as the steel cylinder (5).
7. The novel plug-in type steel cylinder wind power foundation according to claim 1, characterized in that the transverse trapezoidal ribs (6) are arranged on the inner wall of the steel cylinder (5) at equal intervals along the axial direction of the reserved steel cylinder (7), the interval can be 0.5m-1m, and the number can be 4-8.
8. The novel plug-in type steel cylinder wind power foundation as claimed in claim 1, wherein the second reserved steel cylinder (13) is of a hole-shaped structure, the top and the bottom of the second reserved steel cylinder (13) are welded by steel plates and are welded with the inner cylinder (12) into a whole, and the length of the second reserved steel cylinder (13) can be 5-10 m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921244146.5U CN210529738U (en) | 2019-08-02 | 2019-08-02 | Novel plug-in type steel cylinder wind power foundation |
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| CN201921244146.5U CN210529738U (en) | 2019-08-02 | 2019-08-02 | Novel plug-in type steel cylinder wind power foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439018A (en) * | 2019-08-02 | 2019-11-12 | 中交第四航务工程勘察设计院有限公司 | A kind of new plug-in steel cylinder wind power foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439018A (en) * | 2019-08-02 | 2019-11-12 | 中交第四航务工程勘察设计院有限公司 | A kind of new plug-in steel cylinder wind power foundation |
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