CN120006761A - Pile foundation and offshore wind power device having the same - Google Patents
Pile foundation and offshore wind power device having the same Download PDFInfo
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- CN120006761A CN120006761A CN202510328694.XA CN202510328694A CN120006761A CN 120006761 A CN120006761 A CN 120006761A CN 202510328694 A CN202510328694 A CN 202510328694A CN 120006761 A CN120006761 A CN 120006761A
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- bearing plate
- bearing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
- E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application provides a pile foundation and an offshore wind power device with the pile foundation, wherein the pile foundation comprises a pile body, a pile body and a pile cover, wherein the pile body is provided with a containing cavity and a receiving opening, and the receiving opening is arranged on the side wall of the pile body; the bearing plate is movably arranged at the folding opening, when the bearing plate is in a storage state, the bearing plate is positioned in the accommodating cavity, the bearing plate is aligned with the folding opening and parallel to the axis of the pile body, when the bearing plate is in a transitional unfolding state, the bearing plate extends out of the pile body from the folding opening and is parallel to the axis of the pile body, when the bearing plate is in a bearing state, the bearing plate extends out of the pile body from the folding opening and is perpendicular to the axis of the pile body, the bearing plate can be pressed on the seabed, and the driving piece drives the bearing plate to switch among the storage state, the transitional unfolding state and the bearing state. By the technical scheme provided by the application, the problem that the application range of the innovative basic form in the related technology is limited can be solved.
Description
Technical Field
The invention relates to the technical field of offshore wind power, in particular to a pile foundation and an offshore wind power device with the pile foundation.
Background
In the offshore wind power field, along with the continuous development of wind power technology and the promotion of an offshore wind power field to the deep open sea, the traditional offshore wind power pile foundation adopts a long pile direct drive or single pile foundation, and the challenges of increasing the material cost, increasing the construction difficulty, prolonging the installation time and exacerbating the influence on the marine environment are faced. Particularly in soft soil or high bearing capacity demand areas, the conventional foundation form often requires an extremely long pile body to ensure sufficient embedding depth and stability, which not only increases the cost, but also causes inconvenience in construction and maintenance.
In the related art, innovative foundation forms such as a suction bucket foundation, a composite pile foundation, a pile side reaming technology and the like are adopted, the suction bucket foundation utilizes a negative pressure principle to embed a bucket-shaped structure into the seabed, the composite pile foundation is combined with various materials or structural forms (such as steel pipe piles and concrete piles) so as to improve the bearing capacity by optimizing the material use and the structural layout, and the pile side reaming technology forms an enlarged head on the pile body through a special tool during or after the pile body is sunk, so that the contact area between the pile body and the seabed is increased to improve the bearing capacity.
However, although the innovative foundation form in the related art improves the limitations of the conventional foundation to a certain extent, the suction bucket foundation of the related art is limited in application under deep water and complex geological conditions, the composite pile foundation is complex in design and difficult to control in cost, and the pile-side reaming technology has a great influence on the seabed environment and is not suitable for all geological conditions, so that the innovative foundation form in the related art has the problem of limited application range.
Disclosure of Invention
The invention provides a pile foundation and an offshore wind power device with the pile foundation, and aims to solve the problem that an innovative foundation form in the related technology has a limited application range.
According to one aspect of the invention, a pile foundation is provided, which comprises a pile body, a bearing plate, a driving piece and a driving piece, wherein the pile body is provided with a containing cavity and a containing opening communicated with the containing cavity, the containing opening is arranged on the side wall of the pile body, the bearing plate is movably arranged at the containing opening and is provided with a containing state, a transitional unfolding state and a bearing state, when the bearing plate is in the containing state, the bearing plate is aligned with the containing opening and parallel to the axis of the pile body, when the bearing plate is in the transitional unfolding state, the bearing plate extends out of the pile body from the containing opening and is parallel to the axis of the pile body, when the bearing plate is in the bearing state, the bearing plate extends out of the pile body from the containing opening, the bearing plate is perpendicular to the axis of the pile body, the bearing plate can be pressed on a seabed surface, and the driving piece is arranged in the containing cavity and is in driving connection with the bearing plate to drive the bearing plate to switch between the containing state, the transitional unfolding state and the bearing state.
The bearing plate further comprises a moving frame which is movably arranged in the accommodating cavity along the radial direction of the pile body, and a turnover plate which is arranged on the moving frame in a turnover manner, wherein the turnover axis of the turnover plate is parallel to the moving direction of the moving frame, and the driving piece is respectively connected with the moving frame and the turnover plate in a driving manner.
The driving piece comprises a telescopic driving piece and a turnover driving piece, wherein the telescopic driving piece is arranged on the pile body and is positioned in the accommodating cavity, the telescopic driving piece is in driving connection with the movable frame so as to drive the movable frame to move and drive the bearing plate to switch between the accommodating state and the transitional unfolding state, and the turnover driving piece is arranged on the movable frame and is positioned in the accommodating cavity and is in driving connection with the turnover plate so as to drive the turnover plate to turn and drive the bearing plate to switch between the transitional unfolding state and the bearing state.
The pile foundation further comprises a first locking piece which is movably arranged between the pile body and the movable frame, the locking piece can limit the movement of the movable frame relative to the pile body when the first locking piece is in a locking state, the first locking piece can allow the movement of the movable frame relative to the pile body when the first locking piece is in an unlocking state, the second locking piece is movably arranged between the movable frame and the turnover plate, the locking piece can limit the turnover of the turnover plate relative to the movable frame when the second locking piece is in a locking state, and the second locking piece can allow the turnover plate to turn over relative to the movable frame when the second locking piece is in an unlocking state.
Further, the first locking piece comprises a first telescopic rod and a first limiting plate, the first telescopic rod is arranged on the pile body and is located in the accommodating cavity, the first telescopic rod is perpendicular to the moving direction of the moving frame, the first limiting plate is arranged on the moving frame, at least two first limiting holes are formed in the first limiting plate, the axis of each first limiting hole is parallel to the first telescopic rod, at least two first limiting holes are formed in the moving direction of the moving frame at intervals, when the first locking piece is in a locking state, the first telescopic rod can be selectively arranged in one of the at least two first limiting holes in a penetrating mode, when the first locking piece is in an unlocking state, the first telescopic rod is separated from the first limiting plate, and/or the second locking piece comprises a second telescopic rod and a second limiting plate, the second telescopic rod is arranged on the moving frame and is parallel to the moving direction of the moving frame, the second limiting plate is arranged on the turning plate, the second limiting hole and a third limiting hole are formed in the second limiting plate at intervals, when the axis of each second limiting hole and the third limiting plate are arranged in an unlocking state, and when the second locking piece is in an unlocking state, and the second limiting hole and the second limiting plate are arranged in parallel to each second limiting hole.
The pile foundation further comprises a depth detector arranged on the pile body, a perpendicularity detector arranged on the overturning plate, and a control piece respectively connected with the depth detector, the perpendicularity detector, the first locking piece, the second locking piece and the driving piece in a signal mode, when the depth detector detects that the pile body does not reach the preset depth, the control piece controls the first locking piece and the second locking piece to switch to a locking state, when the depth detector detects that the pile body reaches the preset depth, the control piece controls the first locking piece and the second locking piece to switch to an unlocking state, the control piece controls the driving piece to work, and when the perpendicularity detector detects that the overturning plate reaches the preset perpendicularity, the control piece controls the first locking piece and the second locking piece to switch to lock the pile body.
Further, the pile foundation further comprises an installation box, the installation box is arranged in the accommodating cavity, and the driving piece is arranged in the installation box.
And/or the mounting box comprises a shell, a cover body and a sealing ring, wherein the shell is arranged in the accommodating cavity, the shell is provided with a disassembly opening, the cover body is detachably covered at the disassembly opening, the sealing ring is arranged at the disassembly opening in a surrounding manner, and the sealing ring is clamped between the cover body and the shell.
Further, the carrier plate is provided with stiffening ribs extending along its edge and/or the carrier plate has a seabed embedded portion.
Further, the pile body is provided with at least two winding and unwinding openings, the at least two winding and unwinding openings are distributed at intervals along the circumferential direction of the pile body, the pile foundation comprises at least two bearing plates which are arranged in one-to-one correspondence with the at least two winding and unwinding openings, and the pile foundation comprises at least two driving parts which are arranged in one-to-one correspondence with the at least two bearing plates.
Further, the bearing plate is made of high-strength and corrosion-resistant materials, and/or the pile body is made of high-strength steel materials.
According to another aspect of the present invention there is provided an offshore wind plant comprising the pile foundation provided above.
By applying the technical scheme of the invention, the pile foundation comprises the pile body, the bearing plate and the driving piece, and the contact area between the pile foundation and the seabed is enlarged by utilizing the automatic unfolding and recycling of the bearing plate, so that the vertical bearing capacity of the pile foundation is obviously improved. The implementation effect is that the stability of the foundation is obviously enhanced without increasing the length of the pile body, and the construction cost and the influence on the environment are reduced. The application scene is mainly concentrated on the construction of offshore wind power plants, especially in soft soil or areas with high bearing capacity requirements, and can effectively improve the bearing efficiency of pile foundation. The use process comprises the steps of driving the pile body into a preset depth, then automatically unfolding the bearing plate through the driving piece, and finally fixing the bearing plate to ensure the stability and bearing capacity of the pile foundation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows a schematic structural view of a pile foundation when a carrier plate is in a transitional deployment state according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a pile foundation when a bearing plate is in a bearing state according to an embodiment of the present invention;
Fig. 3 shows a schematic structural view of a turning plate, a first limiting plate and a second limiting plate of a pile foundation according to an embodiment of the present invention;
Fig. 4 is a schematic structural view of a pile foundation when a bearing plate is in a bearing state according to an embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. 11, a receiving and releasing port;
20. a bearing plate, a 21, a turnover plate;
30. 31, a first limiting plate, 311, a first limiting hole;
40. The device comprises a first locking piece, a first limiting plate, a first limiting hole, a second locking piece, 41 and a second limiting plate, 411 and 412 and a third limiting hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4, the embodiment of the invention provides a pile foundation, which comprises a pile body 10, a bearing plate 20 and a driving member, wherein the pile body 10 is provided with a receiving cavity and a receiving opening 11 communicated with the receiving cavity, the receiving opening 11 is arranged on the side wall of the pile body 10, the bearing plate 20 is movably arranged at the receiving opening 11, the bearing plate 20 is provided with a receiving state, a transitional unfolding state and a bearing state, when the bearing plate 20 is in the receiving state, the bearing plate 20 is positioned in the receiving cavity, the bearing plate 20 is aligned with the receiving opening 11 and parallel to the axis of the pile body 10, when the bearing plate 20 is in the transitional unfolding state, the bearing plate 20 extends out of the pile body 10 from the receiving opening 11 and is parallel to the axis of the pile body 10, when the bearing plate 20 is in the bearing state, the bearing plate 20 is perpendicular to the axis of the pile body 10, the bearing plate 20 can be pressed on the sea, the driving member is arranged in the receiving cavity, and the driving member is connected with the bearing plate 20 and the driving member is switched between the receiving state and the transitional unfolding state.
The pile foundation provided by the embodiment is applied, the pile foundation comprises a pile body 10, a bearing plate 20 and a driving piece, the automatic unfolding and recovery of the bearing plate 20 are utilized, the contact area between the pile foundation and the seabed is enlarged, and therefore the vertical bearing capacity of the pile foundation is remarkably improved. The implementation effect is that the stability of the foundation is obviously enhanced and the construction cost and the influence on the environment are reduced under the condition that the length of the pile body 10 is not increased. The application scene is mainly concentrated on the construction of offshore wind power plants, especially in soft soil or areas with high bearing capacity requirements, and can effectively improve the bearing efficiency of pile foundation. The use process comprises driving the pile body 10 into a preset depth, then automatically unfolding the bearing plate 20 through the driving piece, and finally fixing the bearing plate 20 to ensure the stability and bearing capacity of the pile foundation.
As shown in fig. 1 to 4, the loading plate 20 includes a moving frame movably disposed in the receiving chamber in a radial direction of the pile body 10 and a turnover plate 21 rotatably disposed on the moving frame, a turnover axis of the turnover plate 21 being parallel to a moving direction of the moving frame, wherein driving members are respectively driving-connected with the moving frame and the turnover plate 21. By radial movement of the moving frame 22 and overturning of the overturning plate 21, unfolding and storage of the bearing plate 20 are achieved, and stability and reliability of the bearing plate 20 in different states are ensured. The implementation effect is that the unfolding process of the bearing plate 20 is smoother, the bearing force distribution is more uniform, the overall stability of the foundation structure is improved, after the pile body 10 is driven into the seabed, the driving piece drives the movable frame 22 to move along the radial direction, the bearing plate 20 is pushed to a transitional unfolding state, and then the overturning plate 21 is driven to overturn to the bearing state, so that the automatic unfolding and fixing of the bearing plate 20 are realized.
In this embodiment, the driving member includes a telescopic driving member and a turnover driving member, the telescopic driving member is disposed on the pile body 10 and is located in the accommodating cavity, the telescopic driving member is in driving connection with the moving frame to drive the moving frame to move and drive the carrying plate 20 to switch between the accommodating state and the transitional unfolding state, the turnover driving member is disposed on the moving frame and located in the accommodating cavity, and the turnover driving member is in driving connection with the turnover plate 21 to drive the turnover plate 21 to turn over and drive the carrying plate 20 to switch between the transitional unfolding state and the carrying state. By the synergistic effect of the telescopic driving piece 50 and the overturning driving piece 60, the unfolding and storage processes of the bearing plate 20 are accurately controlled, and the unfolding angle and the position of the bearing plate 20 are ensured to be accurate. The implementation effect is that the unfolding process of the bearing plate 20 is more accurate, the bearing capacity is improved more remarkably, and the disturbance to the submarine environment is reduced. The carrying plate 20 is pushed out to a transitional unfolding state by the telescopic driving piece 50, and then the carrying plate 20 is overturned to a carrying state perpendicular to the axis of the pile body 10 by the overturning driving piece 60, so that the automatic unfolding and fixing of the carrying plate 20 are realized.
As shown in fig. 1 to 4, the pile foundation further includes a first locking member 30 and a second locking member 40, the first locking member 30 being movably disposed between the pile body 10 and the movable frame, the locking member being capable of restricting movement of the movable frame relative to the pile body 10 when the first locking member 30 is in a locked state, the first locking member 30 being capable of allowing movement of the movable frame relative to the pile body 10 when the first locking member 30 is in an unlocked state, the second locking member 40 being movably disposed between the movable frame and the turnover plate 21, the locking member being capable of restricting turnover of the turnover plate 21 relative to the movable frame when the second locking member 40 is in a locked state, the second locking member 40 being capable of allowing turnover of the turnover plate 21 relative to the movable frame when the second locking member 40 is in an unlocked state. By locking and unlocking the locking members, stability of the carrier plate 20 during the unfolding and storage is ensured, and accidental movement or overturning of the carrier plate 20 during construction and use is prevented. The implementation effect is that the unfolding and storage process of the bearing plate 20 is safer and more reliable, and the stability and the service life of the foundation structure are improved. The second locking member 40 is locked to prevent accidental overturning when the loading plate 20 is unfolded to the transition state, and the first locking member 30 and the second locking member 40 are locked together to ensure the stability and the loading capacity of the loading plate 20 after the loading plate 20 is completely unfolded to the loading state.
As shown in fig. 1 to 4, the first locking member 30 includes a first telescopic rod and a first limiting plate 31, the first telescopic rod is disposed on the pile body 10 and is located in the accommodating cavity, the first telescopic rod is perpendicular to the moving direction of the moving frame, the first limiting plate 31 is disposed on the moving frame, at least two first limiting holes 311 are disposed on the first limiting plate 31, the axes of the first limiting holes 311 are parallel to the first telescopic rod, the at least two first limiting holes 311 are disposed at intervals in the moving direction of the moving frame, when the first locking member 30 is in a locked state, the first telescopic rod is selectively inserted into one first limiting hole 311 of the at least two first limiting holes 311, and when the first locking member 30 is in an unlocked state, the first telescopic rod is separated from the first limiting plate 31. The second locking piece 40 comprises a second telescopic rod and a second limiting plate 41, the second telescopic rod is arranged on the moving frame, the second telescopic rod is parallel to the moving direction of the moving frame, the second limiting plate 41 is arranged on the overturning plate 21, a second limiting hole 411 and a third limiting hole 412 are formed in the second limiting plate 41, the axes of the second limiting hole 411 and the third limiting hole 412 are parallel to the second telescopic rod, the second limiting hole 411 and the third limiting hole 412 are arranged at intervals in the overturning direction of the overturning plate 21, when the second locking piece 40 is in a locking state, the second telescopic rod can be selectively penetrated into the second limiting hole 411 or the third limiting hole 412, and when the second locking piece 40 is in an unlocking state, the second telescopic rod is separated from the second limiting plate 41. Through the cooperation of telescopic link and limiting plate, realize the locking of loading board 20 under different states, ensure the expansion of loading board 20 and accomodate process safety and control. The implementation effect is represented by more accurate unfolding and storage processes of the bearing plate 20, more stable lifting of bearing capacity and simplified locking and unlocking operation flow. When the bearing plate 20 is unfolded to a transitional unfolding state, the second telescopic rod penetrates through the second limiting hole 411 to lock the turnover plate 21, after the bearing plate 20 is completely unfolded to a bearing state, the first telescopic rod penetrates through the first limiting hole 311 to lock the movable frame 22, and meanwhile, the second telescopic rod penetrates through the third limiting hole 412 to lock the turnover plate 21, so that stability and bearing capacity of the bearing plate 20 are ensured.
In this embodiment, the pile foundation further includes a depth detector, a verticality detector and a control member, the depth detector is disposed on the pile body 10, the verticality detector is disposed on the overturning plate 21, the control member is respectively in signal connection with the depth detector, the verticality detector, the first locking member 30, the second locking member 40 and the driving member, when the depth detector detects that the pile body 10 does not reach a preset depth, the control member controls the first locking member 30 and the second locking member 40 to switch to a locking state, when the depth detector detects that the pile body 10 reaches the preset depth, the control member controls the first locking member 30 and the second locking member 40 to switch to an unlocking state, the control member controls the driving member to operate, and when the verticality detector detects that the overturning plate 21 reaches the preset verticality, the control member controls the first locking member 30 and the second locking member 40 to switch to lock the pile body 10. Through the real-time monitoring of the depth detector and the perpendicularity detector and the intelligent control of the control piece, the automatic unfolding and fixing of the bearing plate 20 are realized, the accurate and error-free unfolding process of the bearing plate 20 is ensured, and the bearing force is uniformly distributed. The implementation effect is represented by the fact that the unfolding process of the bearing plate 20 is more automatic, the bearing capacity is improved more remarkably, and meanwhile errors and safety risks of manual operation are reduced. After the pile body 10 is driven into the seabed to a preset depth and the depth detector confirms the depth, the control piece unlocks the first locking piece 30 and the second locking piece 40, the driving piece starts to work, the bearing plate 20 is unfolded to a transitional state and monitored by the perpendicularity detector until the bearing plate 20 is completely unfolded to a bearing state, and the control piece locks the first locking piece 30 and the second locking piece 40 again to ensure the stability and the bearing capacity of the bearing plate 20.
In this embodiment, the pile foundation further includes an installation box, the installation box is disposed in the accommodating cavity, and the driving member is disposed in the installation box. Through integrating the driving piece in the installation box, realize the protection and the isolation of driving piece, prevent invasion of sea water and moisture, extension driving piece's life. The implementation effect is that the operation of the driving member is more stable and reliable, the unfolding and storage processes of the bearing plate 20 are smoother, and meanwhile, the maintenance and overhaul processes are simplified. The tightness of the mounting box and the running state of the driving piece are checked before construction, the smooth unfolding and storage processes of the bearing plate 20 are ensured, and meanwhile, the box cover body is detached and mounted during maintenance and overhaul, so that the driving piece is conveniently checked and maintained.
In this embodiment, the mounting box is made of a corrosion resistant material. The anti-corrosion and waterproof functions of the mounting box are realized through the use of anti-corrosion materials (such as stainless steel or special alloy), and the stable operation of the driving piece under the severe marine environment is ensured. The implementation effect is that the service life of the driving member is remarkably prolonged, the unfolding and storage processes of the bearing plate 20 are smoother, and meanwhile, the maintenance and overhaul processes are simplified. The application scene is mainly focused on pile foundation construction of the offshore wind power device, and is particularly suitable for occasions needing to operate in seawater for a long time.
In this embodiment, the mounting box includes casing, lid and sealing ring, and the casing sets up in holding the intracavity, and the casing has the dismouting mouth, and lid detachably lid is established in dismouting mouth department, and the sealing ring encloses and establishes in dismouting mouth department, and sealing ring presss from both sides and establishes between lid and casing. Through the use of sealing ring, realize the anticorrosive and waterproof of mounting box, ensure the steady operation of driving piece under abominable marine environment. The tightness of the installation box and the running state of the driving piece are checked before construction, the smooth operation of the unfolding and storage processes of the bearing plate 20 is ensured, meanwhile, when the maintenance and the overhaul are performed, the driving piece is conveniently checked and maintained by disassembling the cover body, the sealing performance of the installation box is ensured by the design of the sealing ring, and the seawater invasion is prevented.
In this embodiment, the carrier plate 20 is provided at its edge with reinforcing ribs extending along its edge. By the arrangement of the reinforcing ribs, the structural strength of the bearing plate 20 is enhanced, and the stability and bearing capacity of the bearing plate 20 in the bearing state are ensured. The implementation effect is that the bearing capacity of the bearing plate 20 is obviously improved, the overall stability of the foundation structure is enhanced, the dead weight of the bearing plate 20 is reduced, and the bearing efficiency is improved. After the loading plate 20 is completely unfolded to the loading state, the reinforcing ribs ensure the tight contact between the loading plate 20 and the seabed, and the loading capacity and stability of the loading plate 20 are improved.
In this embodiment, the carrier plate 20 has a seabed embedded portion. By the design of the seabed embedded part, the contact stability of the bearing plate 20 and the seabed is enhanced, and the stability and the bearing capacity of the bearing plate 20 in a bearing state are ensured. The implementation effect is that the bearing capacity of the bearing plate 20 is obviously improved, the overall stability of the foundation structure is enhanced, the dead weight of the bearing plate 20 is reduced, and the bearing efficiency is improved. After the carrier plate 20 is completely unfolded to the carrying state, the design of the seabed embedded part ensures the close contact between the carrier plate 20 and the seabed, and improves the carrying capacity and stability of the carrier plate 20.
In this embodiment, the pile body 10 has at least two receiving openings 11, the at least two receiving openings 11 are arranged at intervals along the circumferential direction of the pile body 10, the pile foundation includes at least two bearing plates 20 arranged in one-to-one correspondence with the at least two receiving openings 11, and the pile foundation includes at least two driving members arranged in one-to-one correspondence with the at least two bearing plates 20. By the arrangement of the plurality of bearing plates 20, the uniform distribution of bearing capacity is realized, and the overall stability and bearing efficiency of the foundation structure are ensured. The implementation effect is that the bearing capacity distribution is more uniform, the overall stability of the foundation structure is obviously enhanced, meanwhile, the construction flow is simplified, and the construction efficiency is improved. The use process is that after the pile body 10 is driven into the seabed to a preset depth, a plurality of bearing plates 20 are unfolded to a bearing state at the same time, a plurality of driving pieces work cooperatively, the smooth unfolding process of the bearing plates 20 is ensured, the bearing force is distributed uniformly, and the overall stability of the foundation structure is enhanced.
In the present embodiment, the bearing plate 20 is made of a high-strength and corrosion-resistant material (alloy steel or composite material, such as carbon fiber, glass fiber, etc.), and the pile body 10 is made of a high-strength steel material. By selecting high-strength and corrosion-resistant materials, stable operation and long-term use of the bearing plate 20 and the pile body 10 in a severe marine environment are ensured. The implementation effect is represented by the fact that the service lives of the bearing plate 20 and the pile body 10 are obviously prolonged, the bearing capacity is improved more stably, and meanwhile the frequency of maintenance and overhaul is reduced.
In particular, the seabed embedment comprises a plunger or other raised structure capable of being embedded into the seabed for fixation.
Another embodiment of the present invention provides an offshore wind power plant, which includes the pile foundation provided above. By integrating the pile foundation 100 into the offshore wind power plant 200, stable operation and efficient load bearing of the offshore wind power plant 200 are achieved. The implementation effect is that the operation of the offshore wind power device 200 is more stable, the bearing efficiency is obviously improved, and meanwhile, the construction cost and the influence on the environment are reduced. The application scene is mainly focused on the construction of offshore wind power stations, and particularly wind power device installation in deep water areas and under complex geological conditions. The use process is that in the construction process of the offshore wind power device 200, the pile foundation 100 is driven into a preset depth, then the bearing plate 20 is automatically unfolded through the driving piece, and finally the bearing plate 20 is fixed, so that the stability and the bearing capacity of the offshore wind power device 200 are ensured.
The description of the above specific embodiments details the pile foundation structure and the application thereof in the offshore wind power device, the contact area of the pile foundation and the seabed is enlarged through the automatic unfolding and recycling of the bearing plate 20, the vertical bearing capacity of the pile foundation is obviously improved, meanwhile, the automatic unfolding and fixing of the bearing plate 20 is realized through the intelligent control of the locking piece, the detector and the control piece, the precise and error-free unfolding process of the bearing plate 20 is ensured, the bearing capacity is uniformly distributed, and the overall stability and the bearing efficiency of the foundation structure are improved. In addition, through the use of the reinforcing ribs, the seabed embedded parts and the corrosion-resistant materials, the structural strength of the bearing plate 20 and the contact stability with the seabed are enhanced, meanwhile, the service lives of the bearing plate 20 and the pile body 10 are prolonged, the frequency of maintenance and overhaul is reduced, the stable operation and high-efficiency bearing of the offshore wind power device 200 are realized, and the economic and social benefits are remarkable.
In summary, the pile foundation structure not only improves the installation efficiency and the bearing capacity of the offshore wind power plant, but also reduces the cost and the influence on the environment, is suitable for installing the wind power plant in a deep water area and under complex geological conditions, is particularly suitable for occasions running for a long time in severe ocean environments, and provides a more stable, economical and environment-friendly basic solution for the construction of the offshore wind power plant.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of the present invention, and the azimuth terms "inside and outside" refer to inside and outside with respect to the outline of each component itself.
Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A pile foundation, characterized in that the pile foundation comprises:
The pile body (10) is provided with a containing cavity and a collecting and releasing opening (11) communicated with the containing cavity, and the collecting and releasing opening (11) is arranged on the side wall of the pile body (10);
The bearing plate (20) is movably arranged at the folding and unfolding opening (11), the bearing plate (20) is provided with a storage state, a transitional unfolding state and a bearing state, when the bearing plate (20) is in the storage state, the bearing plate (20) is positioned in the storage cavity, the bearing plate (20) is aligned with the folding and unfolding opening (11) and is parallel to the axis of the pile body (10), when the bearing plate (20) is in the transitional unfolding state, the bearing plate (20) extends out of the pile body (10) from the folding and unfolding opening (11), the bearing plate (20) is parallel to the axis of the pile body (10), when the bearing plate (20) is in the bearing state, the bearing plate (20) extends out of the pile body (10) from the folding and unfolding opening (11), the bearing plate (20) is perpendicular to the axis of the pile body (10), and the bearing plate (20) can be pressed on the sea surface;
The driving piece is arranged in the accommodating cavity and is in driving connection with the bearing plate (20) so as to drive the bearing plate (20) to switch among the accommodating state, the transitional unfolding state and the bearing state.
2. Pile foundation according to claim 1, characterized in that the carrier plate (20) comprises:
a moving frame which is movably arranged in the accommodating cavity along the radial direction of the pile body (10);
A turnover plate (21) which is arranged on the movable frame in a turnover manner, wherein the turnover axis of the turnover plate (21) is parallel to the moving direction of the movable frame;
wherein the driving piece is respectively in driving connection with the movable frame and the overturning plate (21).
3. The pile foundation according to claim 2, wherein the drive member comprises:
the telescopic driving piece is arranged on the pile body (10) and positioned in the accommodating cavity, and is in driving connection with the movable frame so as to drive the movable frame to move and drive the bearing plate (20) to switch between the accommodating state and the transitional unfolding state;
The overturning driving piece is arranged on the movable frame and positioned in the accommodating cavity, and is in driving connection with the overturning plate (21) so as to drive the overturning plate (21) to overturn and drive the bearing plate (20) to switch between the transitional unfolding state and the bearing state.
4. The pile foundation according to claim 2, further comprising:
a first locking element (30) movably arranged between the pile body (10) and the movable frame, wherein the locking element can limit the movement of the movable frame relative to the pile body (10) when the first locking element (30) is in a locking state, and the first locking element (30) can allow the movement of the movable frame relative to the pile body (10) when the first locking element (30) is in an unlocking state;
The second locking piece (40) is movably arranged between the movable frame and the turnover plate (21), when the second locking piece (40) is in a locking state, the locking piece can limit the turnover of the turnover plate (21) relative to the movable frame, and when the second locking piece (40) is in an unlocking state, the second locking piece (40) can allow the turnover plate (21) to turn relative to the movable frame.
5. The pile foundation of claim 4, wherein the pile foundation comprises a pile foundation,
The first locking piece (30) comprises a first telescopic rod and a first limiting plate (31), the first telescopic rod is arranged on the pile body (10) and is positioned in the accommodating cavity, the first telescopic rod is perpendicular to the moving direction of the moving frame, the first limiting plate (31) is arranged on the moving frame, at least two first limiting holes (311) are arranged on the first limiting plate (31), the axis of the first limiting hole (311) is parallel to the first telescopic rod, at least two first limiting holes (311) are arranged at intervals in the moving direction of the moving frame, when the first locking piece (30) is in a locking state, the first telescopic rod can be selectively arranged in one of the first limiting holes (311) in a penetrating mode, when the first locking piece (30) is in an unlocking state, the first telescopic rod is separated from the first limiting plate (31),
The second locking piece (40) comprises a second telescopic rod and a second limiting plate (41), the second telescopic rod is arranged on the moving frame and parallel to the moving direction of the moving frame, the second limiting plate (41) is arranged on the overturning plate (21), a second limiting hole (411) and a third limiting hole (412) are formed in the second limiting plate (41), the axis of the second limiting hole (411) and the axis of the third limiting hole (412) are parallel to the second telescopic rod, the second limiting hole (411) and the third limiting hole (412) are arranged at intervals in the overturning direction of the overturning plate (21), and when the second locking piece (40) is in a locking state, the second telescopic rod is selectively arranged in the second limiting hole (411) or the third limiting hole (412) in a penetrating mode, and when the second locking piece (40) is in an unlocking state, the second telescopic rod is separated from the second limiting plate (41).
6. The pile foundation according to claim 4, further comprising:
the depth detector is arranged on the pile body (10);
a verticality detector provided on the flipping plate (21);
The control piece is respectively connected with the depth detector, the perpendicularity detector, the first locking piece (30), the second locking piece (40) and the driving piece in a signal mode, when the depth detector detects that the pile body (10) does not reach the preset depth, the control piece controls the first locking piece (30) and the second locking piece (40) to be switched to a locking state, when the depth detector detects that the pile body (10) reaches the preset depth, the control piece controls the first locking piece (30) and the second locking piece (40) to be switched to an unlocking state, the control piece controls the driving piece to work, and when the perpendicularity detector detects that the overturning plate (21) reaches the preset perpendicularity, the control piece controls the first locking piece (30) and the second locking piece (40) to be switched to the locking pile body (10).
7. The pile foundation of claim 1, further comprising a mounting box disposed within the receiving cavity, the driver being disposed within the mounting box.
8. The pile foundation of claim 7, wherein the pile foundation comprises a pile foundation,
The mounting box is made of a corrosion-resistant material, and/or,
The mounting box comprises a shell, a cover body and a sealing ring, wherein the shell is arranged in the accommodating cavity, the shell is provided with a dismounting opening, the cover body is detachably covered at the dismounting opening, the sealing ring is enclosed at the dismounting opening, and the sealing ring is clamped between the cover body and the shell.
9. The pile foundation according to claim 1, wherein,
The carrier plate (20) is provided with stiffening ribs extending along its edge and/or the carrier plate (20) has a seabed embedded portion.
10. Pile foundation according to claim 1, characterized in that the pile body (10) has at least two receiving and releasing openings (11), the at least two receiving and releasing openings (11) are arranged at intervals along the circumference of the pile body (10), the pile foundation comprises at least two bearing plates (20) arranged in one-to-one correspondence with the at least two receiving and releasing openings (11), and the pile foundation comprises at least two driving parts arranged in one-to-one correspondence with the at least two bearing plates (20).
11. The pile foundation according to claim 1, wherein,
The carrier plate (20) is made of a high-strength and corrosion-resistant material and/or,
The pile body (10) is made of high-strength steel.
12. An offshore wind plant, characterized in that it comprises a pile foundation according to any one of claims 1 to 11.
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| CN202510328694.XA CN120006761B (en) | 2025-03-19 | 2025-03-19 | Pile foundation and offshore wind power device with pile foundation |
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| CN202510328694.XA CN120006761B (en) | 2025-03-19 | 2025-03-19 | Pile foundation and offshore wind power device with pile foundation |
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