CN118128012A - Novel connection node of offshore truss platform and pile - Google Patents
Novel connection node of offshore truss platform and pile Download PDFInfo
- Publication number
- CN118128012A CN118128012A CN202410272392.0A CN202410272392A CN118128012A CN 118128012 A CN118128012 A CN 118128012A CN 202410272392 A CN202410272392 A CN 202410272392A CN 118128012 A CN118128012 A CN 118128012A
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- connecting piece
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- platform
- pile
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- 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
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0004—Nodal points
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/006—Platforms with supporting legs with lattice style supporting legs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a novel connection node of an offshore truss platform and a pile, wherein a truss connecting piece connected with the truss platform is arranged at the top of a steel pipe pile, an external connecting piece is connected and arranged below the truss connecting piece, a first end plate at the bottom of the truss connecting piece is provided with an assembly connecting hole, the end face of the first end plate is attached to a second end plate at the top of the external connecting piece, a vertical connecting structure connected with the first end plate through the assembly connecting hole is arranged on the second end plate, and a positioning deviation space is reserved between the inner wall of the assembly connecting hole and the outer surface of the vertical connecting structure. According to the invention, the hole diameter of the assembly connecting hole on the truss connecting piece is enlarged, the obstruction of the assembly connecting hole to the bolt connection is weakened, and the truss platform is deformed in a backing plate mode, so that the assembly connecting hole of the truss connecting piece deviates from the design position, and then the truss platform can still be connected with an external connecting piece through the bolt.
Description
Technical Field
The invention relates to the technical field of offshore photovoltaic power generation engineering, in particular to a novel connection node of an offshore truss platform and a pile.
Background
The offshore solar energy source is rich, clean and efficient, and is an important strategic support for the green transformation development of energy sources in China. The steel pipe pile and truss type large platform structure can adapt to larger sea water depth, is excellent in bearing performance and simple in design and manufacture, and is widely applied to the field of offshore photovoltaic power generation engineering.
At present, a truss type large platform structure is connected with a steel pipe pile by a butt flange, however, when offshore operation is performed, the truss type large platform structure is easy to deform in the hoisting process, so that the alignment precision of bolt hole positions of the platform and the pile connecting flange is low, and the problem that bolts cannot be installed is caused. Therefore, there is a need to design a new connection node between the offshore truss platform and the piles to solve the above-mentioned practical engineering problems.
Disclosure of Invention
The invention aims to provide a novel connecting node capable of guaranteeing the alignment precision of bolt hole positions of a platform and a pile connecting flange.
For this purpose, the invention adopts the following technical scheme:
The novel connecting node of the offshore truss platform and the pile is characterized in that a truss connecting piece connected with the truss platform is arranged at the top of the steel pipe pile, an external connecting piece is arranged below the truss connecting piece in a connecting mode, an assembly connecting hole is formed in a first end plate at the bottom of the truss connecting piece, the end face of the first end plate is attached to a second end plate at the top of the external connecting piece, a vertical connecting structure connected with the first end plate through the assembly connecting hole is arranged on the second end plate, a positioning deviation space is reserved between the inner wall of the assembly connecting hole and the outer surface of the vertical connecting structure, and a base plate which covers the assembly connecting hole and is matched with the vertical connecting structure is arranged on the first end plate so that the truss connecting piece and the external connecting piece form an expanded butt joint state; the first end plate bottom is connected with an inner connecting piece sleeved in the inner cavity of the outer connecting piece, and the inner connecting piece is provided with a horizontal connecting structure connected with the outer connecting piece on the pipe wall in the circumferential direction of the inner connecting piece so as to form a constraint state of freedom degree in the horizontal direction for the truss connecting piece.
Further: the outer connecting piece is provided with a direction-adjusting connecting hole on the pipe wall in the circumferential direction, and a guiding displacement space is arranged between the inner wall of the direction-adjusting connecting hole in the horizontal direction and the outer surface of the horizontal connecting structure.
Further: the pipe wall of the external connecting piece is provided with a mounting bearing platform, the direction-adjusting connecting hole on the external connecting piece penetrates through the mounting bearing platform, and the outer surface of the mounting bearing platform is a plane so as to provide a force basis for fastening a horizontal connection structure.
Further: the internal connection piece is provided with a connection bearing platform on the outer surface in the circumferential direction of the internal connection piece, the connection bearing platform is provided with a connection plate on the side of an internal cavity of the internal connection piece, and the connection plate is provided with a hole matched with the horizontal connection structure.
Further: a boss is arranged on the side, opposite to the pipe wall of the internal connecting piece, of the connecting bearing platform, and a through hole is formed in the boss along the axial direction of the internal connecting piece; the pipe wall of the internal connecting piece is provided with a limiting piece, and the limiting piece is provided with a pin shaft which extends into the through hole and is in steering fit with the connecting bearing platform.
Further: and rib plates are arranged between the connecting plates and the bosses of the connecting bearing platform.
Further: the truss connecting piece is provided with a hollow hemisphere at the top of the first end plate, and an inclined strut connected with the truss platform is arranged on the hollow hemisphere.
Further: the top of steel-pipe pile is provided with pile top flange joint spare, the third end plate of external connection spare bottom is laminated with the fourth end plate at pile top flange joint spare top mutually to connect with this.
Further: the second end plate has a diameter greater than the diameter of the first end plate to which it is connected.
Further: the vertical connecting structure is connected with the horizontal connecting structure by adopting a bolt structure, the connecting pieces are also connected by adopting a bolt structure, and stiffening plates connected with the end plates on the connecting pieces are arranged on the end plates.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the hole diameter of the assembly connecting hole on the truss connecting piece is enlarged, the obstruction of the assembly connecting hole to the bolt connection is weakened, and the truss platform is deformed in a backing plate mode, so that the assembly connecting hole of the truss connecting piece deviates from the design position, and then the truss platform can still be connected with an external connecting piece through the bolt. After the connecting nodes are assembled, the internal connecting piece and the external connecting piece are connected through bolts, so that the freedom degree of the truss connecting piece in the horizontal direction is restrained by the pile top flange connecting piece, and the horizontal load of the upper truss platform can be transmitted to the pile. Based on the above, the connecting node can reduce the construction difficulty, thereby accelerating the construction progress and shortening the construction period.
Drawings
FIG. 1 is a schematic view of a truss attachment of the present invention;
FIG. 2 is a schematic view of an internal connection of the present invention;
FIG. 3 is a schematic view of an external connector according to the present invention;
FIG. 4 is a schematic view of a pile top flange connector according to the present invention;
FIG. 5 is an internal view of the relative positional relationship of the various components of the overall structure of the present invention;
FIG. 6 is a schematic illustration of a limiter on an inner connector according to the present invention;
FIG. 7 is a schematic view of a connecting platform of the present invention cooperating with a stop member;
FIG. 8 is a schematic view of the relative positional relationship of the inner and outer connectors when no relative movement occurs in the present invention;
FIG. 9 is a schematic view showing the relative positional relationship of the inner and outer connectors when there is relative movement in the X direction in the horizontal direction according to the present invention;
FIG. 10 is a schematic view showing the relative positional relationship of the inner and outer connectors when the present invention is moved in the X and Y directions relative to each other in the horizontal direction;
Fig. 11 is a three-dimensional view of the overall structure of the present invention.
The marks in the drawings are: 1-truss connection; 11-diagonal braces; 12-a first end plate; 13-a first stiffener; 14-hollow hemispheres; 15-assembling the connecting hole; 16-a first bolt hole; 17-backing plate; 2-an internal connection; 21-a fourth end plate; 22-a second stiffening plate; 23-a central round tube; 24-limiting parts; 241-limiting holes; 25-connecting a bearing platform; 251-through hole; 252-connecting plates; 253—a boss; 254-rib; 255-holes; 26-a second bolt hole; 27-pin shafts; 3-an external connection; 31-a second end plate; 32-a third end plate; 33-a third stiffener; 34-mounting a bearing platform; 35-sleeve; 36-third bolt holes; 37-direction-adjusting connecting holes; 4-pile top flange connectors; 41-a fourth end plate; 42-fourth stiffening plates; 51-a vertical connection structure; 52-horizontal connection structure.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1-11, a novel connection node of an offshore truss platform and a pile is provided, a truss connecting piece 1 connected with the truss platform is arranged at the top of a steel pipe pile, an external connecting piece 3 is connected and arranged below the truss connecting piece 1, an assembly connecting hole 15 is formed in a first end plate 12 at the bottom of the truss connecting piece 1, the end face of the first end plate 12 is attached to a second end plate 31 at the top of the external connecting piece 3, a vertical connecting structure 51 connected with the first end plate 12 through the assembly connecting hole 15 is arranged on the second end plate 31, a positioning deviation space is formed between the inner wall of the assembly connecting hole 15 and the outer surface of the vertical connecting structure 51, a backing plate 17 which covers the assembly connecting hole 15 and is matched with the vertical connecting structure 51 is arranged on the first end plate 12, therefore, the aperture of the assembly connecting hole 15 which is far larger than the diameter of the vertical connecting structure 51 is reserved is even larger than a nut, the obstruction of the assembly connecting hole 15 to the vertical connecting structure 51 can be weakened, so that the truss connecting piece 1 and the external connecting piece 3 form an expanded butt joint state, meanwhile, the backing plate 17 can cover the corresponding assembly connecting hole 15 through the design size, and the full size of the backing plate 17 can ensure that the truss connecting piece 1 and the external connecting piece 1 can be effectively connected with the truss connecting piece 51 through the largest diameter under the effect of the largest diameter through the effect of the largest diameter of the truss connecting piece 1; the bottom of the first end plate 12 is connected with an inner connecting piece 2 sleeved in the inner cavity of the outer connecting piece 3, and the pipe wall of the inner connecting piece 2 in the circumferential direction is provided with a horizontal connecting structure 52 connected with the outer connecting piece 3 so as to form a constraint state of freedom degree in the horizontal direction for the truss connecting piece 1, so that the horizontal load of the upper truss platform can be transmitted to the steel pipe pile.
Meanwhile, the vertical connecting structure 51 and the horizontal connecting structure 52 are connected by adopting a bolt structure, and all the connecting pieces are also connected by adopting a bolt structure. Based on the above, it will be appreciated that in this embodiment, the bolt holes are not much different from or identical to the hole structures with which the normal bolts are fitted, except that the assembly connection holes 15 and the direction-adjusting connection holes 37 are provided with hole structures of different sizes and shapes as needed.
In this embodiment, the pipe wall of the external connection member 3 in the circumferential direction thereof is provided with the direction-adjusting connection hole 37, the distance between the two side wall bodies of the direction-adjusting connection hole 37 in the horizontal direction is far greater than the distance between the two side wall bodies of the horizontal direction connection structure 52, so that a guiding displacement space is provided between the inner wall of the direction-adjusting connection hole 37 in the horizontal direction and the outer surface of the horizontal direction connection structure 52, through which the external connection member 3 can adapt to the situation that the truss connection member 1 may deviate from the design position, and the internal connection member 2 deviated in the horizontal direction can be connected and fixed with the external connection member 3.
Specifically, in order to make the horizontal connection structure 52 stable when connecting the external connection member 3 and the internal connection member 2, the pipe wall of the external connection member 3 is provided with the installation platform 34, and the direction-adjusting connection hole 37 on the external connection member 3 penetrates through the installation platform 34; meanwhile, the inner connecting piece 2 is provided with a connecting bearing platform 25 on the outer surface in the circumferential direction, a connecting plate 252 is arranged on the inner cavity side of the connecting bearing platform 25 relative to the outer connecting piece 3, and holes 255 matched with the horizontal connecting structure 52 are formed in the connecting plate 252. Wherein the outer surface of the mounting platform 34 on the side far away from the external connector 3 is a plane, and the outer surface of the connecting plate 252 is also a plane, so that when the horizontal connecting structure 52 passes through the direction-adjusting connecting hole 37 and the hole 255, the two ends of the horizontal connecting structure 52 are respectively attached to the corresponding planes, thereby providing an effective force foundation when the horizontal connecting structure 52 connects the external connector 3 and the internal connector 2.
Wherein, the connection bearing platform 25 is indirectly and fixedly connected with the internal connecting piece 2, the pipe wall of the internal connecting piece 2 is provided with a limiting piece 24, the limiting piece 24 is arranged at two sides of the connection bearing platform 25 along the axial direction of the internal connecting piece 2, and the limiting pieces 24 are uniformly distributed around the internal connecting piece 2; the connection bearing platform 25 is provided with a boss 253 at the side opposite to the pipe wall of the internal connection piece 2, the boss 253 is provided with a through hole 251 along the axial direction of the internal connection piece 2, a limiting hole 241 which is coaxial with the through hole 251 is formed in the limiting piece 24, and the limiting piece 24 is provided with a pin shaft 27 which extends into the through hole 251 and is in steering fit with the connection bearing platform 25. Based on the above, in order to connect the limiting member 24 and the connection support 25, the limiting hole 241 in the limiting member 24 is a threaded hole, threads are provided at both ends of the pin shaft 27 for matching with the threaded hole, and the middle section of the pin shaft 27 is a smooth wall, so that the limiting member 24 is connected with the connection support 25.
Meanwhile, the boss 253 on the connection pad 25 is arc-shaped with respect to the side end wall of the inner connector 2.
Wherein, the connection platform 25 is provided with a rib 254 between the connection plate 252 and the boss 253.
In this embodiment, the diameter of the second end plate 31 at the top of the external connection member 3 is larger than the diameter of the first end plate 12 at the bottom of the truss attachment member 1 connected thereto, so that the top end surface of the second end plate 31 can still support the first end plate 12 when the truss attachment member 1 is in the off-design position.
In this embodiment the truss attachment 1 is provided with a hollow hemisphere 14 on top of its first end plate 12, the hollow hemisphere 14 being provided with diagonal braces 11 connected to the truss deck. The number of the diagonal braces 11 is four, the top of the diagonal braces is connected with the truss platform, the bottom of the diagonal braces is connected with the surface of the hollow hemisphere 14, the connection mode can be, but is not limited to, welding, rib plates or diagonal braces can be adopted for reinforcement according to stress conditions, and therefore node connection safety is guaranteed; the truss connecting piece 1 is further provided with eight first stiffening plates 13, and in order to prevent local instability of the first end plate 12, two side edges of the first stiffening plates 13 are respectively connected with the outer surface of the hollow hemisphere 14 and the top end surface of the first end plate 12.
In this embodiment, the whole inner connecting piece 2 is divided into a fourth end plate 21 and a central circular tube 23 from top to bottom, the central circular tube 23 is fixed on the bottom end surface of the fourth end plate 21, and it should be noted that the limiting piece 24 is fixed on the side wall of the central circular tube 23; the inner connecting piece 2 is also provided with second stiffening plates 22, the number of the second stiffening plates 22 is four, and two right-angle sides of the second stiffening plates 22 are respectively connected with the bottom end face of the fourth end plate 21 and the side wall of the central circular tube 23.
Meanwhile, the first end plate 12 of the truss connecting member 1 is further provided with a first bolt hole 16, the fourth end plate 21 of the internal connecting member 2 is provided with a second bolt hole 26, and the bolt structures of the connected truss connecting member 1 and the internal connecting member 2 are connected through the first bolt hole 16 and the second bolt hole 26.
In this embodiment, the external connection member 3 is integrally divided into a second end plate 31, a sleeve 35 and a third end plate 32 from top to bottom, the second end plate 31 and the third end plate 32 are respectively connected to two ends of the sleeve 35, and it should be noted that the number of the mounting platforms 34 is four and uniformly arranged around the sleeve 35; the external connection member 3 is further provided with a third stiffening plate 33, and the third stiffening plate 33 is arranged in layers so as to be connected with the second end plate 31 and the third end plate 32 respectively, and two right-angle sides of the third stiffening plate 33 are connected with the side wall of the sleeve 35 and the end wall of the second end plate 31 or the third end plate 32 respectively.
In the embodiment, a pile top flange connector 4 is arranged at the top of the steel pipe pile, and a fourth end plate 41 which is attached and connected with the external connector 3 is arranged on the pile top flange connector 4; the fourth end plate 41 is provided with eight fourth stiffening plates 42.
Meanwhile, the second end plate 31 and the third end plate 32 are provided with third bolt holes 36, the third bolt holes 36 on the second end plate 31 are connected with the assembly connecting holes 15 through vertical connecting structures 51, and the third bolt holes 36 on the third end plate 32 are connected with third threaded holes on the fourth end plate 41 through bolts.
Specifically, the holes of the novel connecting nodes can be provided with gaskets or locknuts, so that the bolts are prevented from loosening.
Referring to fig. 8 to 10, when the truss type large platform and the steel pipe pile are connected by the novel connection node, the following description is made according to different situations that the truss connection element 1 is located at a deviation design position or is not deviated:
If the truss type large platform is not deformed, the relative positional relationship between the internal connection member 2 and the external connection member 3 is as shown in fig. 8, and the horizontal connection structure 52 can be normally installed. If the truss type large platform is deformed, when the inner connector 2 and the outer connector 3 move relatively in the X direction (for example, the X direction is identified in the drawing), the relative positional relationship between the inner connector 2 and the outer connector 3 is shown in fig. 9, and the degree of freedom of the horizontal connecting structure 52 in the Y direction can be adjusted in the direction adjusting connecting hole 37 at the corresponding position, so that the truss connector 1 and the outer connector 3 can still be stably connected. If the truss type large platform is deformed, when the internal connection member 2 and the external connection member 3 are relatively moved in the X direction and the Y direction (for example, the direction X, Y is identified in the drawing), the relative positional relationship between the node internal connection member 2 and the node external connection member 3 is shown in fig. 10, and at this time, the degree of freedom of the horizontal connection structure 52 in the X, Y direction can be adjusted by adjusting the direction-adjusting connection hole 37 at the corresponding position, so that the truss connection member 1 and the external connection member 3 can still be stably connected.
The above embodiment is only one preferred technical solution of the present invention, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present invention, and all the modifications and substitutions are covered in the protection scope of the present invention.
Claims (10)
1. Novel connected node of marine truss platform and stake, its characterized in that: the steel pipe pile is characterized in that a truss connecting piece (1) connected with a truss platform is arranged at the top of the steel pipe pile, an external connecting piece (3) is connected and arranged below the truss connecting piece (1), an assembly connecting hole (15) is formed in a first end plate (12) at the bottom of the truss connecting piece (1), the end face of the first end plate (12) is attached to a second end plate (31) at the top of the external connecting piece (3), a vertical connecting structure (51) connected with the first end plate (12) through the assembly connecting hole (15) is arranged on the second end plate (31), a positioning deviation space is reserved between the inner wall of the assembly connecting hole (15) and the outer surface of the vertical connecting structure (51), and a base plate (17) which covers the assembly connecting hole (15) and is matched with the vertical connecting structure (51) is arranged on the first end plate (12), so that the truss connecting piece (1) and the external connecting piece (3) form an expanded butt joint state;
The bottom of the first end plate (12) is connected with an inner connecting piece (2) sleeved in the inner cavity of the outer connecting piece (3), and a horizontal connecting structure (52) connected with the outer connecting piece (3) is arranged on the pipe wall of the inner connecting piece (2) in the circumferential direction so as to form a constraint state of freedom degree in the horizontal direction for the truss connecting piece (1).
2. The novel connection node of an offshore truss platform and pile of claim 1, wherein: the outer connecting piece (3) is provided with a direction-adjusting connecting hole (37) on the pipe wall in the circumferential direction, and a guiding displacement space is arranged between the inner wall of the direction-adjusting connecting hole (37) in the horizontal direction and the outer surface of the horizontal connecting structure (52).
3. A novel connection node for an offshore truss platform and pile according to claim 2, wherein: the pipe wall of the external connecting piece (3) is provided with a mounting bearing platform (34), a direction-adjusting connecting hole (37) on the external connecting piece (3) penetrates through the mounting bearing platform (34), and the outer surface of the mounting bearing platform (34) is a plane so as to provide a force basis for fastening a horizontal connecting structure (52).
4. A novel connection node for an offshore truss platform and pile according to claim 2, wherein: the inner connecting piece (2) is provided with a connecting bearing platform (25) on the outer surface in the circumferential direction, the connecting bearing platform (25) is provided with a connecting plate (252) relative to the inner cavity side of the outer connecting piece (3), and the connecting plate (252) is provided with a hole (255) matched with the horizontal connecting structure (52).
5. The novel connection node of an offshore truss platform and pile of claim 4, wherein: a boss (253) is arranged on the side, opposite to the pipe wall of the internal connecting piece (2), of the connecting bearing platform (25), and a through hole (251) is formed in the boss (253) along the axial direction of the internal connecting piece (2); a limiting piece (24) is arranged on the pipe wall of the internal connecting piece (2), and a pin shaft (27) which extends into the through hole (251) and is in steering fit with the connecting bearing platform (25) is arranged on the limiting piece (24).
6. The novel connection node of an offshore truss platform and pile of claim 5, wherein: the connecting bearing platform (25) is provided with a rib plate (254) between the connecting plate (252) and the boss (253).
7. The novel connection node of an offshore truss platform and pile of claim 1, wherein: the truss connecting piece (1) is characterized in that a hollow hemisphere (14) is arranged at the top of a first end plate (12) of the truss connecting piece, and an inclined strut (11) connected with a truss platform is arranged on the hollow hemisphere (14).
8. The novel connection node of an offshore truss platform and pile of claim 1, wherein: the top of steel-pipe pile is provided with pile top flange joint spare (4), third end plate (32) of external connection spare (3) bottom is laminated mutually with fourth end plate (41) at pile top flange joint spare (4) top to connect with this.
9. The novel connection node of an offshore truss platform and pile of claim 1, wherein: the diameter of the second end plate (31) is larger than the diameter of the first end plate (12) connected with the second end plate.
10. The novel connection node of an offshore truss platform and pile of claim 8, wherein: the vertical connecting structure (51) is connected with the horizontal connecting structure (52) by adopting a bolt structure, and the connecting pieces are also connected by adopting a bolt structure; and stiffening plates connected with the end plates are arranged on the end plates on the connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410272392.0A CN118128012A (en) | 2024-03-11 | 2024-03-11 | Novel connection node of offshore truss platform and pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410272392.0A CN118128012A (en) | 2024-03-11 | 2024-03-11 | Novel connection node of offshore truss platform and pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118128012A true CN118128012A (en) | 2024-06-04 |
Family
ID=91234914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410272392.0A Pending CN118128012A (en) | 2024-03-11 | 2024-03-11 | Novel connection node of offshore truss platform and pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118128012A (en) |
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2024
- 2024-03-11 CN CN202410272392.0A patent/CN118128012A/en active Pending
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