CN214657175U - Connecting structure for high pile cap foundation and upper block of offshore booster station - Google Patents

Connecting structure for high pile cap foundation and upper block of offshore booster station Download PDF

Info

Publication number
CN214657175U
CN214657175U CN202023098748.XU CN202023098748U CN214657175U CN 214657175 U CN214657175 U CN 214657175U CN 202023098748 U CN202023098748 U CN 202023098748U CN 214657175 U CN214657175 U CN 214657175U
Authority
CN
China
Prior art keywords
guide plate
pile
bearing platform
reinforced concrete
plate
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
Application number
CN202023098748.XU
Other languages
Chinese (zh)
Inventor
钭锦周
苏峰
曹晨光
王劼臻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongtai Shuang Innovative Energy Development Co ltd
Original Assignee
Dongtai Shuang Innovative Energy Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongtai Shuang Innovative Energy Development Co ltd filed Critical Dongtai Shuang Innovative Energy Development Co ltd
Priority to CN202023098748.XU priority Critical patent/CN214657175U/en
Application granted granted Critical
Publication of CN214657175U publication Critical patent/CN214657175U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Foundations (AREA)

Abstract

The utility model provides a connecting structure of a high pile bearing platform foundation and an upper module of an offshore booster station, which comprises an inclined pile, a reinforced concrete bearing platform and a connecting device; the connecting device comprises a pile connecting plate and a guide conical plate; fixedly connecting the bottom of the military column with the upper surface of the pile connecting plate; the second guide plate and the first guide plate are both positioned in the inner cavity of the general column; the top of the lower supporting steel pipe pile penetrates through the reinforced concrete bearing platform and then is fixedly connected with the lower surface of the pile connecting plate; and the top of the inclined pile is fixedly connected with the bottom of the reinforced concrete bearing platform. The utility model discloses the bearing structure of marine booster station high pile cushion cap basis has simple structure, need not secondary grout operation, construction with short-term, bearing capacity advantage such as reliable with being connected of upper portion chunk, has higher practical value.

Description

Connecting structure for high pile cap foundation and upper block of offshore booster station
Technical Field
The utility model relates to a marine booster station high pile cap basis and upper portion chunk connection structure is applicable to being connected of marine booster station high pile cap basis and upper portion chunk.
Background
In recent years, with a series of extreme climate problems such as global warming caused by petrochemical energy consumption, more and more countries are dedicated to developing and utilizing clean energy, wherein the wind power generation technology is rapidly developed due to the mature technology, and the offshore wind power generation technology is rapidly developed due to the advantages that the offshore wind power generation technology does not occupy land resources, has little influence on the life of residents, and the like. In order to reduce the loss in the electric energy transmission process of the offshore wind farm, an offshore booster station must be built.
The offshore booster station is a center for ensuring normal operation of the offshore wind farm, and provides powerful guarantee for boosting, power distribution and control of the whole offshore wind farm. The main structure of the offshore booster station can be divided into an upper module and a lower supporting structure, various electrical equipment such as a main transformer, a high-low voltage power distribution cabinet, a GIS (geographic information system), communication relay protection equipment and the like are mainly arranged in the upper structure of the offshore booster station, and the lower supporting structure needs to bear the whole weight of the upper structure and transmit the load to a seabed foundation through a steel pipe pile.
Compared with an offshore wind generating set, the offshore booster station is subjected to vertical force rather than horizontal force, so that the lower supporting structure mainly bears huge vertical force, and the connection mode and the connection method of the upper module and the lower supporting structure are very important for the reliability of the whole mechanism.
At present, the connection of high pile cushion cap basis and upper portion chunk of offshore booster station is usually as middle supporting body through the concrete cushion cap, and the spliced pole of lower part bearing structure and upper portion chunk imbeds the concrete cushion cap certain degree of depth respectively promptly, but the two is direct contact not, and corresponding cup mouth need be reserved to upper portion chunk spliced pole, still need grout once more during the installation of upper portion chunk, and operating procedure is many on the whole, and the marine construction required time is longer relatively.
Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an efficient marine booster station high pile cushion cap basis and upper portion chunk connection structure.
In order to solve the technical problem, the utility model provides a connecting structure of a high pile bearing platform foundation and an upper module of an offshore booster station, which comprises an inclined pile, a reinforced concrete bearing platform and a connecting device;
the connecting device comprises a pile connecting plate and a guide conical plate;
the guide conical plate is in a cross shape and comprises a first guide plate and two second guide plates; the two guide plates are respectively arranged on two sides of the first guide plate, one end of the second guide plate is fixedly connected with the central position of the first guide plate, and the length directions of the second guide plate and the first guide plate are mutually vertical;
the lower surface of the upper module block is fixedly provided with a general column;
fixedly connecting the bottom of the military column with the upper surface of the pile connecting plate; the second guide plate and the first guide plate are both positioned in the inner cavity of the general column;
the top of the lower supporting steel pipe pile penetrates through the reinforced concrete bearing platform and then is fixedly connected with the lower surface of the pile connecting plate;
and the top of the inclined pile is fixedly connected with the bottom of the reinforced concrete bearing platform.
As right the utility model discloses marine booster station high pile cushion cap basis and upper portion chunk connection structure's improvement:
the left end and the right end of the top of the first guide plate are both provided with a first guide plate inclined plane, and the first guide plate inclined plane is obliquely downwards arranged from the center of the first guide plate to the edge of the first guide plate;
and the top of one end of the second guide plate far away from the first guide plate is provided with a second guide plate inclined plane which is obliquely and downwards arranged from the connecting part of the second guide plate and the first guide plate to the end far away from the first guide plate.
As right the utility model discloses marine booster station high pile cushion cap basis and upper portion chunk connection structure's improvement:
and a certain gap is formed between the outermost side edge of the first guide plate and the outermost side edge of the second guide plate and the inner wall of the general column, and the size of the gap is 50 mm.
As right the utility model discloses marine booster station high pile cushion cap basis and upper portion chunk connection structure's improvement:
the reinforced concrete bearing platform is provided with a fixing through hole at a position close to the circle center of the reinforced concrete bearing platform, the lower surface of the reinforced concrete bearing platform at a position close to the edge of the reinforced concrete bearing platform is provided with a fixing groove, and the fixing groove is obliquely upwards arranged from the edge of the reinforced concrete bearing platform to one side of the center;
the inclined piles are arranged in an inclined mode, and the inclined direction is arranged from the edge of the reinforced concrete bearing platform to the center in an inclined mode; and the top of the inclined pile is inserted into the fixing groove so as to fix the reinforced concrete bearing platform.
As right the utility model discloses marine booster station high pile cushion cap basis and upper portion chunk connection structure's improvement:
and the top of the lower supporting steel pipe pile extends out for about 90 centimeters after penetrating through the fixing through hole.
As right the utility model discloses marine booster station high pile cushion cap basis and upper portion chunk connection structure's improvement:
the diameters of the upper block general column and the lower support steel pipe pile are the same; the pile connecting plate is a circular steel plate with the diameter 20mm larger than that of the lower support steel pipe pile.
As right the utility model discloses marine booster station high pile cushion cap basis and upper portion chunk connection structure's improvement:
the length of the first guide plate is about twice that of the second guide plate.
The utility model discloses marine booster station high pile cushion cap basis is with upper portion chunk connection structure's technical advantage does:
the utility model discloses the bearing structure of marine booster station high pile cushion cap basis has simple structure, need not secondary grout operation, construction with short-term, bearing capacity advantage such as reliable with being connected of upper portion chunk, has higher practical value.
The utility model discloses compare with current marine booster station high pile cushion cap basis connecting device, have following advantage:
(1) simple structure, need not to reserve the rim of a cup of cushion cap upper surface.
(2) The construction process is simple and convenient, secondary grouting operation is not needed, the offshore operation time is reduced, the requirement on the construction window period is lowered, and the construction progress of the offshore booster station is promoted to a certain extent.
(3) During construction, the upper main connecting part and the lower main connecting part are high in alignment precision, and the overall stability and the safety and the reliability of the structure can be effectively improved and guaranteed.
Drawings
The following describes the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view illustrating that the connecting device 5 in fig. 1 is respectively connected with a general column 11 and a lower support steel pipe pile 2;
FIG. 3 is a side view of the first guide plate 52;
FIG. 4 is a side view of the second guiding plate 53;
FIG. 5 is an enlarged view of portion A of FIG. 2 (joint weld);
fig. 6 is a schematic top view of the connecting device 5.
In the figure: 1. an upper block; 2. the lower part supports the steel pipe pile; 3. oblique piles; 4. a reinforced concrete bearing platform; 5. and (4) a connecting device.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
Embodiment 1, a structure for connecting a foundation of a high pile cap of an offshore booster station and an upper block, as shown in fig. 1 to 5, includes an upper assembly 1, a lower support steel pipe pile 2, an inclined pile 3, a reinforced concrete cap 4, and a connecting device 5.
Four general columns 11 are fixedly arranged on the lower surface of the upper block 1.
The number of the connecting devices 5 is four, and the offshore booster station is connected into a whole through the four connecting devices 5.
Each connecting device 5 comprises a pile connecting plate 51 and a guide cone plate, wherein the upper surface and the lower surface of the pile connecting plate 51 are respectively welded with the general column 11 and the lower support steel pipe pile 2 to form a whole. The general column 11 and the lower supporting steel pipe pile 2 of the upper block 1 are respectively the inherent structures of the upper block 1 and the lower supporting structure, the diameters and the wall thicknesses of the upper block 1 and the lower supporting structure are the same, and the insides of the upper block and the lower supporting structure are both cavities.
The guide cone plate comprises a first guide plate 52 and two second guide plates 53. The two guide plates II 53 are respectively arranged on two sides of the guide plate I52, one end of each guide plate II 53 is fixedly welded with the center position of the guide plate I52, the guide plates II 53 are perpendicular to the guide plates I52, the three guide conical plates are welded on the upper surface of the pile connecting plate 51 in a crossed manner, and the guide conical plates play a role in limiting and guiding during installation.
The first guide plate 52 and the second guide plate 53 are both elongated, and the length of the first guide plate 52 is about twice that of the second guide plate 53. A first guide plate inclined plane 521 is formed at each of the left end and the right end of the top of the first guide plate 52, the first guide plate inclined plane 521 is obliquely and downwardly arranged from the center of the first guide plate 52 to the edge, and the inclination angle of the first guide plate inclined plane 521 is 15 degrees. The top of the second guide plate 53 at the end far from the first guide plate 52 is provided with a second guide plate inclined surface 531, the second guide plate inclined surface 531 is obliquely and downwards arranged from the joint of the second guide plate 53 and the first guide plate 52 to the end far from the first guide plate 52, and the inclination angle of the second guide plate inclined surface 531 is 15 degrees. When the upper block 1 is placed on the connecting device 5, the military column 11 only needs to be approximately aligned with the position of the guide plate, if the military column 11 has some position deviation, when the upper block 1 (the military column 11) moves downwards, the bottom of the pipe wall of the military column 11 is firstly abutted against the first inclined surface 521 and the second inclined surface 531 of the guide plate, then smoothly slides down along the slope, and covers the guide conical plate (the first guide plate 52 and the second guide plate 53) inside.
The pile connecting plate 51 is a circular steel plate with a thickness of 50mm and a diameter 20mm larger than that of the lower support steel pipe pile 2.
Four fixing through holes 42 are uniformly formed in the circumferential direction of the reinforced concrete bearing platform 4 at a position close to the circle center of the reinforced concrete bearing platform, four fixing grooves 41 are uniformly formed in the circumferential direction of the lower surface of the reinforced concrete bearing platform 4 at a position close to the edge of the reinforced concrete bearing platform, and the fixing grooves 41 are obliquely arranged upwards from the edge of the reinforced concrete bearing platform 4 to the center. The number of the inclined piles 3 is four, the inclined piles 3 are arranged in an inclined manner, the inclined direction is also arranged in an inclined manner from the edge to the center of the reinforced concrete bearing platform 4, the angle of each inclined pile 3 is 75 degrees (the included angle between each inclined pile 3 and the horizontal line is 75 degrees), and the top of each inclined pile 3 is inserted into the fixing groove 41, so that the reinforced concrete bearing platform 4 is fixed.
The top of the lower supporting steel pipe pile 2 penetrates through the fixing through hole 42 and extends out for about 90 centimeters, the diameter of the military column 11 of the upper module 1 is the same as that of the lower supporting steel pipe pile 2, the military column 11 and the lower supporting steel pipe pile 2 are welded on the upper surface and the lower surface of the pile connecting plate 51 respectively, and the military column 11 and the lower supporting steel pipe pile 2 are aligned to meet the force transmission requirement when in butt joint.
During welding, the first guide plate 52 is welded to the upper surface of the pile connecting plate 51, and then the second guide plate 53 is welded with the first guide plate 52 and the pile connecting plate 51 to form the integral structure of the connecting device 5. It should be noted that the center line of the first guide plate 52 should be located at the center of the pile connecting plate 51, the two second guide plates 53 are both perpendicular to the first guide plate 52, and the connection position of the second guide plates 53 and the first guide plates 52 is also located at the center of the pile connecting plate 51. Meanwhile, a certain gap is reserved from the outermost edge of the guide conical plate (the first guide plate 52 and the second guide plate 53) to the inner wall of the military column 11, and the size of the gap is 50mm, so that the gap can be conveniently adjusted during installation and the assembly can be smoothly completed.
After the connecting device 5 is welded, the hoisting equipment places the welded connecting device 5 on the top of the lower supporting steel pipe pile 2 and welds the connecting device 5 into a whole, and attention should be paid to aligning the welded connecting device 5 with the center of the lower supporting steel pipe pile 2 during connection.
After the connecting device 5 and the lower supporting steel pipe pile 2 are welded, the whole upper block 1 of the offshore booster station is hoisted, the centers of the four general columns 11 and the center of the connecting device are respectively aligned through the guide conical plates (the first guide plate 52 and the second guide plate 53), and synchronous welding is started.
After the welding is completed, the whole installation process of the connecting device 5 is completed.
Finally, it is also noted that the above-mentioned list is only a few specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims (7)

1. High pile cap basis and upper portion chunk connection structure of marine booster station, its characterized in that: comprises an inclined pile (3), a reinforced concrete bearing platform (4) and a connecting device (5);
the connecting device (5) comprises a pile connecting plate (51) and a guide conical plate;
the guide conical plate forms a cross shape and comprises a first guide plate (52) and two second guide plates (53); the two guide plates II (53) are respectively arranged on two sides of the guide plate I (52), one end of each guide plate II (53) is fixedly connected with the center position of the guide plate I (52), and the length directions of the guide plates II (53) and the guide plate I (52) are mutually vertical;
the lower surface of the upper module (1) is fixedly provided with a general column (11);
the bottom of the military column (11) is fixedly connected with the upper surface of the pile connecting plate (51); the second guide plate (53) and the first guide plate (52) are both positioned in the inner cavity of the general column (11);
the top of the lower supporting steel pipe pile (2) penetrates through the reinforced concrete bearing platform (4) and then is fixedly connected with the lower surface of the pile connecting plate (51);
the top of the inclined pile (3) is fixedly connected with the bottom of the reinforced concrete bearing platform (4).
2. The offshore booster station high pile cap foundation and upper block connecting structure of claim 1, wherein:
the left end and the right end of the top of the first guide plate (52) are both provided with a first guide plate inclined plane (521), and the first guide plate inclined plane (521) is obliquely arranged downwards from the center of the first guide plate (52) to the edge of the first guide plate;
and the top of one end of the second guide plate (53) far away from the first guide plate (52) is provided with a second guide plate inclined surface (531), and the second guide plate inclined surface (531) is obliquely and downwards arranged from the joint of the second guide plate (53) and the first guide plate (52) to the end far away from the first guide plate (52).
3. The offshore booster station high pile cap foundation and upper block connecting structure of claim 2, wherein:
and certain gaps are formed between the outermost edges of the first guide plate (52) and the second guide plate (53) and the inner wall of the general column (11), and the size of each gap is 50 mm.
4. The offshore booster station high pile cap foundation and upper block connecting structure of claim 3, wherein:
the reinforced concrete bearing platform (4) is provided with a fixing through hole (42) at a position close to the circle center of the reinforced concrete bearing platform, the lower surface of the reinforced concrete bearing platform (4) at a position close to the edge of the reinforced concrete bearing platform is provided with a fixing groove (41), and the fixing groove (41) is obliquely arranged upwards from the edge of the reinforced concrete bearing platform (4) to one side of the center;
the inclined piles (3) are arranged in an inclined mode, and the inclined direction is arranged from the edge of the reinforced concrete bearing platform (4) to the center in an inclined mode; the top of the batter pile (3) is inserted into the fixing groove (41) so as to fix the reinforced concrete bearing platform (4).
5. The offshore booster station high pile cap foundation and upper block connecting structure of claim 4, wherein:
the top of the lower supporting steel pipe pile (2) penetrates through the fixing through hole (42) and then extends out for about 90 centimeters.
6. The offshore booster station high pile cap foundation and upper block connecting structure of claim 5, wherein:
the diameter of the upper block (1) is the same as that of the military column (11) and the lower supporting steel pipe pile (2); the pile connecting plate (51) is a circular steel plate with the diameter 20mm larger than that of the lower supporting steel pipe pile (2).
7. The offshore booster station high pile cap foundation and upper block connecting structure of claim 6, wherein:
the length of the first guide plate (52) is about twice that of the second guide plate (53).
CN202023098748.XU 2020-12-21 2020-12-21 Connecting structure for high pile cap foundation and upper block of offshore booster station Active CN214657175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023098748.XU CN214657175U (en) 2020-12-21 2020-12-21 Connecting structure for high pile cap foundation and upper block of offshore booster station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023098748.XU CN214657175U (en) 2020-12-21 2020-12-21 Connecting structure for high pile cap foundation and upper block of offshore booster station

Publications (1)

Publication Number Publication Date
CN214657175U true CN214657175U (en) 2021-11-09

Family

ID=78501537

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023098748.XU Active CN214657175U (en) 2020-12-21 2020-12-21 Connecting structure for high pile cap foundation and upper block of offshore booster station

Country Status (1)

Country Link
CN (1) CN214657175U (en)

Similar Documents

Publication Publication Date Title
CN113026803B (en) Suction bucket-pile foundation composite structure applied to offshore electrical platform and construction method
CN109469089A (en) A kind of interpolation type offshore wind farm jacket basis carrying steady pipe casing and construction method
CN113357093B (en) Accurate installation method and structure for butt joint of split jacket foundation and upper module of large offshore electrical platform
CN214657175U (en) Connecting structure for high pile cap foundation and upper block of offshore booster station
CN112570968A (en) Pile leg shell ring butt joint method
CN209538210U (en) A kind of interpolation type offshore wind farm jacket basis carrying steady pipe casing
CN104594317B (en) Working platform, single pile foundation, offshore working platform and installing method of offshore working platform
KR101563531B1 (en) Method for combining concrete base of offshore supporting structure and steel pipe pile
KR20130047950A (en) Supporting structure and contruction method of the same for marine wind turbine
CN218580601U (en) Marine wind power basis is with leaning on ship spare
CN206035725U (en) Mix steel tower frame and wind generating set
CN210529734U (en) Supporting structure and jacket device
CN204435337U (en) Workbench and single-pile foundation and offshore work platform
CN217053446U (en) Pile foundation of offshore wind turbine generator system
CN111101496A (en) Construction process for installing deepwater jacket based on attached pile stabilizing device
CN213867897U (en) Split type high-pile bearing platform foundation for large-scale offshore electrical platform
CN115538383A (en) Ship-leaning piece construction method for offshore wind power foundation
CN109680668B (en) Device and method for connecting upper assembly block and lower supporting structure of offshore booster station
CN208761967U (en) A kind of embedded lifting lug node structure
CN210212705U (en) Offshore wind power floating foundation structure
CN209722921U (en) The attachment device of offshore boosting station upper chunk and bottom bracing structure
CN217419561U (en) Accurate mounting structure for butt joint of split jacket foundation and upper module of large-scale offshore electrical platform
CN114059572B (en) Split type high-pile cap foundation for large-scale offshore electric platform and building method
CN214245653U (en) Booster station upper portion chunk connected node
CN204825951U (en) Take changeover portion single pile fan foundation structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant