CN211395730U - Offshore bolt connection type single-pile foundation for fan - Google Patents
Offshore bolt connection type single-pile foundation for fan Download PDFInfo
- Publication number
- CN211395730U CN211395730U CN201921437253.XU CN201921437253U CN211395730U CN 211395730 U CN211395730 U CN 211395730U CN 201921437253 U CN201921437253 U CN 201921437253U CN 211395730 U CN211395730 U CN 211395730U
- Authority
- CN
- China
- Prior art keywords
- transition section
- steel pipe
- bolt
- pipe pile
- pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Foundations (AREA)
Abstract
The utility model relates to a marine bolt connection formula fan single pile basis. The utility model aims at providing a simple structure, construction convenience, safe and reliable's marine bolt connection formula fan single pile basis. The technical scheme of the utility model is that: the foundation is provided with a steel pipe pile and a transition section, wherein the steel pipe pile is vertically arranged, the pile top of the steel pipe pile is positioned near the water surface, and the transition section is coaxially arranged on the steel pipe pile; a fan tower cylinder flange is arranged at the top of the transition section, a scissors opening flange is arranged at the lower end of the transition section, a circle of open slot matched with the upper end of the steel pipe pile is formed in the lower end face of the scissors opening flange, and the transition section is connected with the steel pipe pile through the open slot at the lower end of the transition section; the upper portion of the steel pipe pile is uniformly provided with a circle of connecting holes I, the wall of an open slot of the transition section is provided with connecting holes II corresponding to the connecting holes I, and the steel pipe pile is connected with the transition section through connecting bolts penetrating into the connecting holes I and the connecting holes II. The utility model is suitable for a marine wind power technical field.
Description
Technical Field
The utility model relates to a marine bolt connection formula fan single pile basis. The method is suitable for the technical field of offshore wind power.
Background
The single-pile foundation is one of the most widely adopted foundation types in the field of offshore wind power engineering, and has the advantages of simple structure, quick construction and high cost performance. With the development of offshore wind power, more and more wind power plants develop towards the deep sea and the open sea, the pile length of a single-pile foundation is longer and longer, the diameter of a single pile is larger and larger, and the requirements on a pile hammer and a hoisting ship are higher and higher. When the pile length exceeds 90m, the existing domestic pile driving equipment is difficult to meet, the diameter of a single pile foundation is large, the pile splicing difficulty on water is large, and the quality is difficult to ensure; when the pile diameter is larger and larger, the hammering force of the pile top is larger and larger, the fatigue caused by pile driving at the joint of the pile top flange and the steel pipe pile is higher and higher, and the fatigue damage at the joint is obviously increased due to improper control in the pile driving process. In addition, in order to facilitate installation of the auxiliary members, the orientation requirement of the steel pipe pile is high when the steel pipe pile is driven to be sunk (namely, the steel pipe pile cannot rotate along the axis to a large extent).
Disclosure of Invention
The to-be-solved technical problem of the utility model is: aiming at the problems, the marine bolt connection type fan single-pile foundation is simple in structure, convenient to construct, safe and reliable.
The utility model adopts the technical proposal that: the utility model provides an offshore bolt connection formula fan single pile basis which characterized in that: the device comprises a steel pipe pile and a transition section, wherein the steel pipe pile is vertically arranged, the pile top of the steel pipe pile is positioned near the water surface, and the transition section is coaxially arranged on the steel pipe pile;
a fan tower cylinder flange is arranged at the top of the transition section, a scissors opening flange is arranged at the lower end of the transition section, a circle of open slot matched with the upper end of the steel pipe pile is formed in the lower end face of the scissors opening flange, and the transition section is connected with the steel pipe pile through the open slot at the lower end of the transition section;
the upper portion of the steel pipe pile is uniformly provided with a circle of connecting holes I, the wall of an open slot of the transition section is provided with connecting holes II corresponding to the connecting holes I, and the steel pipe pile is connected with the transition section through connecting bolts penetrating into the connecting holes I and the connecting holes II.
The connecting bolt is provided with two rigid fixing pins which are jointly penetrated in the connecting hole I and the connecting hole II, the two rigid fixing pins are arranged up and down, two wedge-shaped rubber blocks are arranged in a gap between the two rigid fixing pins, and the two wedge-shaped rubber blocks are connected through a bolt matched nut penetrating through the two wedge-shaped rubber blocks.
The contact surface of the rigid fixing pins and the wedge-shaped rubber block is an inclined surface, so that the gap between the two rigid fixing pins is gradually reduced from two ends to the middle.
And the connecting holes I and the connecting holes II are elliptical holes, and the length directions of the elliptical holes are parallel to the axis of the steel pipe pile.
And locking mechanisms for preventing the bolt from moving are arranged at the two ends of the bolt.
The locking mechanism is provided with a strip-shaped gasket with an elbow and a cylinder lock head, wherein the cylinder lock head is fixed on the side surface of the opening flange of the scissors, one end of the strip-shaped gasket with the elbow is connected with the bolt, and the other end of the strip-shaped gasket with the elbow is provided with an elbow corresponding to the cylinder lock head.
And a circle of channel steel for covering the connecting hole II and the connecting bolt is arranged on the outer wall of the transition section corresponding to the connecting hole II.
And a flange mounting operation platform is arranged at the lower end of the inner side groove wall of the open groove.
And a foundation inner platform is arranged at the inner upper part of the transition section.
And an outer platform and a berthing landing system are arranged outside the transition section.
The utility model has the advantages that: the transition section is arranged above the water surface, the elevation of the pile top of the steel pipe pile is arranged near the water surface, the length of the steel pipe pile of 10-15 m can be reduced generally, and the steel pipe pile is free of welding on the sea, small in overall operation amount, low in construction difficulty and low in construction cost. In this embodiment, there is no requirement to the steel-pipe pile sinking location circumference (namely the steel-pipe pile can rotate along the axis), effectively reduces the preparation processing, the construction degree of difficulty.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
FIG. 3 is a schematic view of the upper part of the steel pipe pile according to the embodiment.
Fig. 4 is a schematic view of the installation of the strip gasket with the elbow in the embodiment.
Detailed Description
As shown in fig. 1, the present embodiment is an offshore plug-in connection type single-pile foundation for a wind turbine, and the foundation includes a steel pipe pile 2 and a transition section 1, wherein the steel pipe pile 2 is vertically arranged and a pile top thereof is located near a water surface, and the transition section 1 is coaxially installed at an upper end of the steel pipe pile 2.
In this embodiment, a fan tower flange 13 is arranged at the top of the transition section 1, a base inner platform 12 is arranged at the upper part in the transition section 1 according to the requirement of a fan, an outer platform 10, a landing system 11 and the like are arranged at the outer side of the transition section 1 according to the requirement of operation and maintenance, and a scissors opening flange 3 is arranged at the lower end of the transition section 1.
As shown in fig. 2, in this embodiment, a circle of open slots adapted to the upper end of the steel pipe pile 2 are formed in the lower end surface of the scissors open flange 3, the transition section 1 is connected to the steel pipe pile 2 through the open slot at the lower end thereof, and the upper end of the steel pipe pile 2 is inserted into the open slot of the transition section 1.
In the embodiment, the upper part of the steel pipe pile 2 is inserted into the open slot, and a circle of connecting holes I201 (shown in figure 3) are uniformly formed in the open slot, wherein the connecting holes I201 are elliptical holes, and the length direction of the elliptical holes is parallel to the axis of the steel pipe pile 2; a connecting hole II matched with the shape and the size of the connecting hole I201 is formed in the wall of the opening groove of the transition section 1 corresponding to the connecting hole I201, and the steel pipe pile 2 is connected with the transition section 1 through a connecting bolt which is jointly penetrated and installed in the connecting hole I201 and the connecting hole II.
In this embodiment, the connecting bolt has two rigid fixing pins 5 which are jointly penetrated into the connecting holes I201 and the connecting holes II, the two rigid fixing pins 5 are arranged up and down, two wedge-shaped rubber blocks 6 are arranged in a gap between the two rigid fixing pins 5, and the two wedge-shaped rubber blocks 6 are connected with each other through bolts 7 which penetrate through the two wedge-shaped rubber blocks 6 and are matched with bolts 8.
In this example, the wedge-shaped rubber block 6 is wedge-shaped and gradually decreases from the outer end to the inner end; the contact surface of rigidity fixed pin 5 and wedge rubber piece 6 is the inclined plane to make the clearance between two rigidity fixed pins 5 reduce gradually by both ends to centre, thereby the interval between two wedge rubber pieces 6 is adjusted to accessible bolt 7, thereby makes the upper and lower both ends of two rigidity fixed pins 5 top tight connecting hole I, II down.
In order to prevent the connecting bolt from moving in the subsequent operation process, the two ends of the bolt 7 are both provided with locking mechanisms. The locking mechanism in this example has a strip gasket 15 with hook and a cylinder lock 14, wherein the strip gasket 15 with hook at the screw end of the bolt 7 is integrated with the screw head, when the bolt 7 is screwed, the screw head and the strip gasket 15 with hook rotate, and the hook of the strip gasket 15 with hook can not rotate after corresponding to the cylinder lock 14 at the outer side of the scissors open type flange 3; the strip-shaped gasket with the bent hook arranged at the end of the bolt 8 can rotate around the bolt 7, the bolt 8 is continuously screwed, the connecting bolt is filled in the corresponding connecting holes I and II on the shear open type flange 3 and the steel pipe pile 2, the strip-shaped gasket 15 with the bent hook arranged at the end of the bolt 8 is screwed, and the bent hook on the strip-shaped gasket is firmly clamped with the cylindrical lock head 14 on the inner side of the shear open type flange 3.
For reducing connecting pin by the corruption, this embodiment sets up round channel-section steel 4 in the 3 outsides of scissors open type flange, and channel-section steel 4 covers connecting hole II, connecting pin and rectangular shape area crotch gasket 15 etc..
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art can change, add or replace the above examples within the scope of the present invention.
Claims (10)
1. The utility model provides an offshore bolt connection formula fan single pile basis which characterized in that: the water-cooled power generation system is provided with a steel pipe pile (2) and a transition section (1), wherein the steel pipe pile (2) is vertically arranged, the pile top of the steel pipe pile is positioned near the water surface, and the transition section (1) is coaxially arranged on the steel pipe pile (2);
a fan tower cylinder flange (13) is arranged at the top of the transition section (1), a shear opening flange (3) is arranged at the lower end of the transition section (1), a circle of open slot matched with the upper end of the steel pipe pile (2) is formed in the lower end face of the shear opening flange (3), and the transition section (1) is connected with the steel pipe pile (2) through the open slot at the lower end of the transition section;
the upper portion of the steel pipe pile (2) is uniformly provided with a circle of connecting holes I (201), a connecting hole II is formed in the wall of an open slot of the transition section (1) corresponding to the connecting hole I (201), and the steel pipe pile (2) is connected with the transition section (1) through a connecting bolt which is arranged in the connecting hole I (201) and the connecting hole II in a penetrating mode.
2. The offshore bolt-connected fan mono-pile foundation of claim 1, wherein: the connecting bolt is provided with two rigid fixing pins (5) which are jointly penetrated in the connecting hole I (201) and the connecting hole II, the two rigid fixing pins (5) are arranged up and down, two wedge-shaped rubber blocks (6) are arranged in a gap between the two rigid fixing pins (5), and the two wedge-shaped rubber blocks (6) are connected through a bolt (7) which penetrates through the two wedge-shaped rubber blocks (6) and a matching nut (8).
3. The offshore bolt-connected fan mono-pile foundation of claim 2, wherein: the contact surface of the rigid fixing pins (5) and the wedge-shaped rubber block (6) is an inclined surface, so that the gap between the two rigid fixing pins (5) is gradually reduced from two ends to the middle.
4. The offshore plug-connected fan mono-pile foundation of claim 1 or 2, wherein: the connecting holes I (201) and the connecting holes II are elliptical holes, and the length directions of the elliptical holes are parallel to the axis of the steel pipe pile (2).
5. The offshore bolt-connected fan mono-pile foundation of claim 2, wherein: and two ends of the bolt (7) are provided with locking mechanisms for preventing the bolt (7) from moving.
6. The offshore bolt-connected fan mono-pile foundation of claim 5, wherein: the locking mechanism is provided with a strip gasket (15) with a hook and a cylinder lock head (14), wherein the cylinder lock head (14) is fixed on the side surface of the scissors opening flange (3), one end of the strip gasket (15) with the hook is connected with the bolt (7), and the other end of the strip gasket (15) with the hook is an elbow corresponding to the cylinder lock head (14).
7. The offshore bolt-connected fan mono-pile foundation of claim 1, wherein: and a circle of channel steel (4) for covering the connecting hole II and the connecting bolt is arranged on the outer wall of the transition section (1) corresponding to the connecting hole II.
8. The offshore bolt-connected fan mono-pile foundation of claim 1, wherein: and a flange mounting operation platform (9) is arranged at the lower end of the inner side groove wall of the open groove.
9. The offshore bolt-connected fan mono-pile foundation of claim 1, wherein: and a base inner platform (12) is arranged at the inner upper part of the transition section (1).
10. The offshore bolt-connected fan mono-pile foundation of claim 1, wherein: an outer platform (10) and a berthing landing system (11) are arranged on the outer side of the transition section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437253.XU CN211395730U (en) | 2019-08-30 | 2019-08-30 | Offshore bolt connection type single-pile foundation for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437253.XU CN211395730U (en) | 2019-08-30 | 2019-08-30 | Offshore bolt connection type single-pile foundation for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211395730U true CN211395730U (en) | 2020-09-01 |
Family
ID=72210979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921437253.XU Active CN211395730U (en) | 2019-08-30 | 2019-08-30 | Offshore bolt connection type single-pile foundation for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211395730U (en) |
-
2019
- 2019-08-30 CN CN201921437253.XU patent/CN211395730U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8240955B2 (en) | Tower segments and method for off-shore wind turbines | |
| CN102556284B (en) | Suction penetrating arc-shaped plate anchor, mounting tool for same and construction method for same | |
| CN103556649B (en) | The jacket levelling gear of offshore wind turbine | |
| CN112761177A (en) | Multifunctional comprehensive fan single-pile foundation and damping dynamic adjustment method thereof | |
| KR20140061297A (en) | Wind turbine rotor and method of mounting | |
| CN211395730U (en) | Offshore bolt connection type single-pile foundation for fan | |
| CN109178211B (en) | Joint arrangement for nuclear power platform single point mooring system sea quick-release | |
| CN114408095A (en) | Large offshore platform mooring cable tension coordination assembly and use method thereof | |
| CN114162268A (en) | Mooring device for floating body in middle and shallow water area and installation method | |
| CN205141598U (en) | Sea cable center location protection device | |
| CN215977130U (en) | Marine fan foundation berthing pile rubber fender structure convenient to disassemble and assemble | |
| CN102070085B (en) | Method for butting flange faces by using butting device | |
| CN116161175A (en) | Anchoring system for shared foundation | |
| CN215862212U (en) | Single-point pipeline outward-conveying connecting device | |
| CN212534191U (en) | Back-assembled ice-resistant steel offshore wind power single-pile foundation structure | |
| CN205123201U (en) | Sea cable center location protection device | |
| CN113653207A (en) | Connecting structure capable of replacing coupling beam damper | |
| CN105470906B (en) | A kind of installation method of extra large cable centralized positioning protection device | |
| CN217078842U (en) | Side-pulling screw-in anchor composite foundation | |
| CN215715488U (en) | Coating protection type fan single pile foundation with transition section | |
| CN216709569U (en) | Tension force coordination assembly between mooring cables of large offshore platform | |
| CN218603123U (en) | Marine fan high pile cushion cap basis sea cable protection tube connection structure | |
| CN216742253U (en) | Special stable form hydro-cylinder system of pile gripper | |
| CN109989420B (en) | Combined ring beam fixing device for offshore wind turbine foundation | |
| CN221000926U (en) | Marine oil boom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |