CN217401064U - Switching section structure and pylon of wind generating set - Google Patents
Switching section structure and pylon of wind generating set Download PDFInfo
- Publication number
- CN217401064U CN217401064U CN202221331150.7U CN202221331150U CN217401064U CN 217401064 U CN217401064 U CN 217401064U CN 202221331150 U CN202221331150 U CN 202221331150U CN 217401064 U CN217401064 U CN 217401064U
- Authority
- CN
- China
- Prior art keywords
- adaptor
- tower column
- central tower
- central
- dismantled
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a wind generating set's switching section structure, including diagonal brace, connecting rod, the central tower that is used for installing the tower section and a plurality of adaptor that are used for connecting truss structure, diagonal brace one end can be dismantled with central tower and be connected, and the other end can be dismantled with the adaptor and be connected, the connecting rod both ends can be dismantled with two adjacent adaptors respectively and be connected. The utility model has the advantages of stable structure, convenient transportation and the like.
Description
Technical Field
The utility model relates to a wind power generation technical field especially relates to a wind generating set's switching section structure and pylon.
Background
With the development of the wind power industry and the proposal of the national 'double carbon' target, wind power becomes an advanced energy production mode with great technical and economic competitiveness, and a high-power and high-tower wind generating set develops an inevitable trend in plain areas with high wind trimming in China. The wind generating set mainly comprises a wind wheel, a cabin, a tower and the like, wherein the tower is used as a support piece of the wind wheel and the cabin, and the structure is very critical; the tower structure needs to bear wind load transmitted by a fan, simultaneously bear gravity load and dynamic load possibly caused by resonance, so that the tower needs to meet the requirement of a top cabin interface, also needs to meet the requirement of a bottom fan adapter section interface, and simultaneously needs to have good strength and rigidity.
At present, the switching section in the prior art has various forms, and the analysis and comparison of the structural characteristics are as follows:
1) in the skyline structure shown in fig. 1, the central tower column and the truss are in transitional connection through the reinforcing ribs, so that the structure is mainly suitable for a structure with a small truss span or a truss structure with a taper, and a special reinforcing design is required for a large megawatt unit.
2) In the skyline structure shown in fig. 2, the central tower column and the truss are connected by the diagonal brace, and the central tower column and the truss are not suitable for a large-megawatt wind turbine generator due to the influence of stress concentration.
3) In the four-leg supporting structure shown in fig. 3, the central tower column and the truss are connected by the cross beam, so that the four-leg structure has limited anti-overturning capability for a large megawatt unit and is not suitable for the large megawatt unit.
4) The steel cylinder and the truss steel pipe which are shown in the figure 4 are in splicing transition, are connected in a welding mode and are affected by a welding structure, the structural fatigue resistance is low, too many reinforcing structure designs are needed, the structure is complex, and the processing and manufacturing are difficult.
Along with the development of the domestic wind power industry in recent years, the height of wind turbine towers is gradually increased, and a plurality of novel high tower structures appear, such as: flexible steel towers, steel-concrete towers, truss towers, lattice towers, concrete towers, and the like; the lattice tower is composed of a truss structure at the lower part, a transition structure at the middle part and a traditional conical tower at the upper part. The transition section structure is as the transition structure in middle part, mainly has following problem:
1) the traditional section switching section structure is mainly applied to offshore wind power, and is not limited by size, so that most of the traditional section switching section structure adopts a large-size structure, is directly welded and integrally transported, and cannot be applied to the existing onshore wind power generation set;
2) the stability of the wind wheel load, the gravity load and the resonance load is not enough;
3) the material cost, the manufacturing cost and the transportation cost are high;
4) the structural style can not satisfy the matching installation of the upper traditional conical tower section and the lower truss structure.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's is not enough, provide a stable in structure, transport convenient wind generating set's switching section structure and pylon.
In order to solve the technical problem, the utility model discloses take following technical scheme:
the utility model provides a wind generating set's switching section structure, includes diagonal brace, connecting rod, is used for installing the central tower column of tower section and a plurality of adaptor that are used for connecting the truss structure, diagonal brace one end can be dismantled with central tower column and be connected, and the other end can be dismantled with the adaptor and be connected, the connecting rod both ends can be dismantled with two adjacent adaptors respectively and be connected.
As a further improvement of the above technical solution:
still include the spreader bar, spreader bar one end can be dismantled with the adaptor and be connected, and the other end can be dismantled with central pylon and be connected.
The diagonal brace is detachably connected with the central tower column and the adapter piece through the flange group, and the transverse brace is detachably connected with the central tower column and the adapter piece through the flange group.
And the connecting flange on the central tower column is provided with a curved surface matched with the wall of the central tower column.
And the connecting flange is welded with the wall of the central tower column.
The diagonal brace comprises a transverse part rod and an oblique part rod which are connected with each other, the transverse part rod is detachably connected with the central tower column, and the oblique part rod is detachably connected with the adaptor.
The adapter is equipped with threely, three the adapter is evenly arranged along central pylon circumference.
The flange group connection position is provided with an installation and maintenance platform, and the installation and maintenance platform is provided with a safety fence.
And annular reinforcing ribs are arranged above and below the connecting flange in the central tower column, and vertical reinforcing ribs are arranged between the annular reinforcing ribs.
A tower comprises a tower column and a truss structure, wherein the tower column is connected with the truss structure through the switching section structure of the wind generating set.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a wind generating set's switching section structure, central pylon is used for installing the pylon, and the adaptor is used for connecting the truss structure, and is connected through the diagonal brace between central pylon and the adaptor, connects through the connecting rod between the adaptor, therefore, two adjacent adaptors form stable triangle structure with central pylon three, can effectively transmit the wind load and other loads of pylon, have strengthened the stability of switching section structure; in addition, diagonal brace one end can be dismantled with central tower column and be connected, and the other end can be dismantled with the adaptor and be connected, and the connecting rod can be dismantled with the adaptor and be connected for four of central tower column, diagonal brace, adaptor, connecting rod can part the transportation, only need adopt ordinary motorcycle type to transport can, and be convenient for dismouting, maintenance and change, for traditional welded jumbo size structure, have simple structure, easy dismounting, the transportation is convenient, advantages such as cost of transportation low.
2. The utility model discloses a wind generating set's switching section structure has also formed the triangle-shaped structure between horizontal brace, diagonal brace and the central pylon three, has further strengthened the stability of switching section structure, and horizontal brace one end can be dismantled with the adaptor and be connected, and the other end can be dismantled with central pylon and be connected, convenient to detach and transportation.
3. The utility model discloses a wind generating set's changeover portion structure, because the section of thick bamboo wall of central pylon is the curved surface, so flange sets up the curved surface with central pylon adaptation, avoids stress concentration to lead to flange to damage.
Drawings
Fig. 1 is a schematic view showing a connection structure of a tower column and a truss structure in the prior art.
Fig. 2 is a schematic view showing a connection structure of a tower column and a truss structure in the prior art.
Fig. 3 is a schematic view showing a connection structure of a tower column and a truss structure in the prior art.
Fig. 4 is a schematic view showing a connection structure of a tower column and a truss structure in the prior art.
Fig. 5 is a schematic perspective view of the switching structure of the wind turbine generator system of the present invention.
Fig. 6 is a schematic view of the axial measurement structure of the present invention.
Fig. 7 is a schematic perspective view of a middle tower column of the present invention.
Fig. 8 is a schematic front view of a transfer member according to the present invention.
Fig. 9 is a schematic side view of the connecting member of the present invention.
Fig. 10 is a front view of the diagonal brace of the present invention.
Fig. 11 is a schematic side view of the diagonal brace of the present invention.
Fig. 12 is a schematic perspective view of the tower according to the present invention.
The reference numerals in the figures denote: 1. a tower section; 2. a central tower column; 21. a curved surface; 22. circumferential reinforcing ribs; 23. a vertical reinforcing rib; 3. a truss structure; 4. an adapter; 5. a diagonal brace; 51. a transverse portion rod; 52. a bevel lever; 6. a connecting rod; 7. a transverse brace rod; 8. installing a maintenance platform; 81. a safety fence.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Fig. 5 to 12 show an embodiment of the switching section structure of the wind generating set of the present invention, the switching section structure of the wind generating set of this embodiment, including diagonal brace 5, connecting rod 6, the central tower 2 that is used for installing tower section 1 and a plurality of adaptor 4 that are used for connecting truss structure 3, diagonal brace 5 one end can be dismantled with central tower 2 and be connected, the other end can be dismantled with adaptor 4 and be connected, connecting rod 6 both ends can be dismantled with two adjacent adaptors 4 respectively and be connected.
According to the switching section structure of the wind generating set, the central tower column is used for mounting the tower section 1, the switching pieces 4 are used for connecting the truss structure 3, the central tower column 2 and the switching pieces 4 are connected through the inclined stay bars 5, and the switching pieces 4 are connected through the connecting rods 6, so that the two adjacent switching pieces 4 and the central tower column 2 form a stable triangular structure, the wind load and other loads of the tower section 1 can be effectively transmitted, and the stability of the switching section structure is enhanced; in addition, 5 one end of diagonal brace and central tower 2 can be dismantled and be connected, the other end can be dismantled with adaptor and be connected, connecting rod 6 can be dismantled with adaptor and be connected, make central tower 2, diagonal brace 5, adaptor 4, four of connecting rod 6 can part the transportation, only need adopt ordinary motorcycle type to transport can, and the dismouting of being convenient for, maintenance and change, for traditional welded jumbo size structure, have simple structure, easy dismounting, the transportation is convenient, advantages such as cost of transportation low.
In this embodiment, wind generating set's switching section structure still includes spreader 7, and 7 one ends of spreader are dismantled with adaptor 4 and are connected, and the other end is dismantled with central pylon 2 and is connected. Also formed the triangle-shaped structure between 2 three of spreader bar 7, diagonal brace 5 and central tower column, further strengthened the stability of switching section structure, and 7 one end of spreader bar can be dismantled with adaptor 4 and be connected, and the other end can be dismantled with central tower column 2 and be connected convenient to detach and transportation.
In this embodiment, the diagonal brace 5 is detachably connected with the central tower column 2 and the adaptor 4 through the flange assembly, and the transverse brace 7 is detachably connected with the central tower column 2 and the adaptor 4 through the flange assembly. Through flange group connection, simple structure, cost of manufacture are low. In other embodiments, the connection may be performed by other connection members.
In this embodiment, the connecting flange on the central tower column 2 is provided with a curved surface 21 adapted to the wall of the central tower column 2. Because the cylinder wall of the central tower column 2 is a curved surface 21, the connecting flange is provided with the curved surface 21 matched with the central tower column 2, and the connecting flange is prevented from being damaged due to stress concentration.
In this embodiment, the connection flange is welded to the cylindrical wall of the central tower column 2. Further preferably, the welding seam between the connecting flange and the cylinder wall of the central tower column 2 is a V-shaped welding seam, so that the welding strength between the connecting flange and the cylinder wall of the central tower column 2 can be ensured, the welding stress is reduced, and the deformation is prevented.
In this embodiment, the diagonal rod 5 includes a transverse rod 51 and a diagonal rod 52 that are connected to each other, the transverse rod 51 is detachably connected to the central tower column 2, and the diagonal rod 52 is detachably connected to the adaptor 4. The diagonal brace 5 is divided into a transverse part rod 51 and a diagonal part rod 52, and the inclination of the connecting flange is not required to be considered, so that the manufacturing of the connecting flange is facilitated on one hand, and the connection is facilitated on the other hand.
In this embodiment, the flange group connection is provided with an installation and maintenance platform 8, and the installation and maintenance platform 8 is provided with a safety fence 81. An operator can disassemble, assemble and maintain the flange group on the installation and maintenance platform 8, and the installation and maintenance platform 8 is provided with a safety fence 81 to ensure the operation safety of the operator.
In this embodiment, the upper part and the lower part of the connecting flange in the central tower column 2 are provided with hoop reinforcing ribs 22, and vertical reinforcing ribs 23 are arranged between the hoop reinforcing ribs 22. The supporting strength of the central tower column 2 at the connecting flange is enhanced, and the load can be better borne. Preferably, central column 2 is formed by the welding of multiunit steel ring, and wherein the steel ring at welding flange group place sets up hoop strengthening rib 22 and vertical strengthening rib 23 for thickening steel ring on it, further strengthens central column 2's structural strength and rigidity, adopts the oblique angle transition between thickening steel ring and the ordinary steel ring, and the structure is pleasing to the eye, and the connectivity is better. Further preferably, the material of the weighing sleeve 2 is BS400 alloy steel, so that the comprehensive performance is better.
The utility model also shows a pylon, including tower section 1 and truss structure 3, through foretell wind generating set's switching section structural connection between tower section 1 and the truss structure 3, therefore possess above-mentioned advantage equally, adaptation top tower section 1 that can be fine and below truss structure 3's structural change, simple structure, compactness.
Specifically, in this embodiment, the truss structure 3 is a three-pile structure, that is, has three columns, so there are three adapters 4, and the three adapters 4 are uniformly arranged along the circumferential direction of the central tower column 2, and are correspondingly connected with the three columns in the truss structure 3, and the structure is simple and compact.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a wind generating set's switching section structure which characterized in that: including diagonal brace (5), connecting rod (6), be used for installing central tower column (2) of tower section (1) and a plurality of adaptor (4) that are used for connecting truss structure (3), diagonal brace (5) one end can be dismantled with central tower column (2) and be connected, and the other end can be dismantled with adaptor (4) and be connected, connecting rod (6) both ends can be dismantled with two adjacent adaptors (4) respectively and be connected.
2. The transition segment structure of a wind turbine generator set according to claim 1, wherein: still include horizontal brace (7), horizontal brace (7) one end can be dismantled with adaptor (4) and be connected, and the other end can be dismantled with central pylon (2) and be connected.
3. The transition segment structure of a wind turbine generator set according to claim 2, wherein: the inclined strut (5) is detachably connected with the central tower column (2) and the adaptor (4) through flange sets, and the transverse strut (7) is detachably connected with the central tower column (2) and the adaptor (4) through flange sets.
4. The transition segment structure of a wind turbine generator set according to claim 3, wherein: and a curved surface (21) matched with the cylinder wall of the central tower column (2) is arranged on the connecting flange on the central tower column (2).
5. An adapter section structure of a wind generating set according to claim 4, characterized in that: the connecting flange is welded with the wall of the central tower column (2).
6. A transition section structure of a wind turbine according to any of claims 1 to 5, characterized in that: the inclined strut (5) comprises a transverse part rod (51) and an inclined part rod (52) which are connected with each other, the transverse part rod (51) is detachably connected with the central tower column (2), and the inclined part rod (52) is detachably connected with the adaptor (4).
7. A transition section structure of a wind turbine according to any of claims 1 to 5, characterized in that: the number of the adaptor pieces (4) is three, and the adaptor pieces (4) are evenly distributed along the circumferential direction of the central tower column (2).
8. An adapter section structure of a wind generating set according to any one of claims 3 to 5, wherein: the flange group connection position is provided with an installation and maintenance platform (8), and a safety fence (81) is arranged on the installation and maintenance platform (8).
9. An adapter section structure of a wind generating set according to any one of claims 3 to 5, wherein: and hoop reinforcing ribs (22) are arranged above and below the connecting flange in the central tower column (2), and vertical reinforcing ribs (23) are arranged between the hoop reinforcing ribs (22).
10. A tower comprising a tower section (1) and a truss structure (3), characterized in that: the tower section (1) and the truss structure (3) are connected by a transition section structure of a wind turbine generator set according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331150.7U CN217401064U (en) | 2022-05-30 | 2022-05-30 | Switching section structure and pylon of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331150.7U CN217401064U (en) | 2022-05-30 | 2022-05-30 | Switching section structure and pylon of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401064U true CN217401064U (en) | 2022-09-09 |
Family
ID=83146896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221331150.7U Active CN217401064U (en) | 2022-05-30 | 2022-05-30 | Switching section structure and pylon of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781182A (en) * | 2022-11-16 | 2023-03-14 | 中建五洲工程装备有限公司 | Truss tower switching section and manufacturing method thereof |
-
2022
- 2022-05-30 CN CN202221331150.7U patent/CN217401064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781182A (en) * | 2022-11-16 | 2023-03-14 | 中建五洲工程装备有限公司 | Truss tower switching section and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203430129U (en) | Steel shell concrete tower barrel | |
| CN217401064U (en) | Switching section structure and pylon of wind generating set | |
| CN105003118A (en) | Pole for assembling power transmission towers | |
| CN109869280A (en) | Blower fan tower barrel connecting rod flange and blower fan tower barrel | |
| CN206617282U (en) | Half truss formula pylon | |
| CN113614363B (en) | Transition piece for a wind turbine tower | |
| CN202072386U (en) | Lifting appliance for lifting raft foundation reinforcement cage of containment vessel of nuclear power station | |
| CN201738628U (en) | Angle steel and steel bar combined iron tower | |
| CN102797647A (en) | Double-deck supporting and connecting structure for tower cylinder and jacket foundation of wind driven generator | |
| CN115539310A (en) | Jacket construction method and three-pile suction tube jacket | |
| CN203297041U (en) | Device for improving rigidity of wind machine tower | |
| CN212954025U (en) | Detachable tower crane sleeve frame | |
| CN215168596U (en) | Triangular section angle steel tower for power transmission line | |
| CN202732240U (en) | Transition section structure between tower barrel and supporting tower frame of wind driven generator | |
| CN209943008U (en) | Connecting rod flange for fan tower cylinder and fan tower cylinder | |
| CN209975552U (en) | Steel construction tower crane foundation cushion cap of adjustable size | |
| CN102808742A (en) | Connecting structure for tower cylinder and supporting tower frame of wind driven generator | |
| CN209277538U (en) | A kind of operation platform on high altitude operation concrete circular roof | |
| CN202924599U (en) | Rotary support base and crane with base | |
| CN214653217U (en) | Bearing structure of ultra-large tower crane | |
| CN220246991U (en) | inverted-V-shaped steel pile foundation for wind power engineering | |
| CN110723643A (en) | Method for changing track gauge of in-service crane | |
| CN221169837U (en) | Transition section structure of steel-concrete wind power tower | |
| CN212428264U (en) | High strength wind resistance electric power iron tower | |
| CN220667710U (en) | Welding adapter and double wind wheel floating wind turbine generator system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |