CN111765050A - Connecting structure between wind driven generator tower barrel fragments - Google Patents
Connecting structure between wind driven generator tower barrel fragments Download PDFInfo
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- CN111765050A CN111765050A CN202010634546.8A CN202010634546A CN111765050A CN 111765050 A CN111765050 A CN 111765050A CN 202010634546 A CN202010634546 A CN 202010634546A CN 111765050 A CN111765050 A CN 111765050A
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- 239000012634 fragment Substances 0.000 title description 2
- 230000002929 anti-fatigue Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
- F16B13/0858—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with an expansible sleeve or dowel body driven against a tapered or spherical expander plug
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a connecting structure between tower section pieces of a wind driven generator, which comprises a plurality of tower section pieces which are sequentially distributed along the circumferential direction of a tower, wherein at least two tower section pieces are respectively a first tower section piece and a second tower section piece, a first connecting part is arranged on one side of the first tower section piece close to the second tower section piece, a first connecting groove is formed in the first connecting part, a first connecting hole is formed in the side wall of the first connecting groove, a second connecting part is arranged on one side of the second tower section piece close to the first tower section piece, a second connecting hole is formed in the second connecting part, the second connecting part is embedded in the first connecting groove of the first connecting part, an expansion block is embedded in the first connecting hole, and the expansion block is also embedded in the second connecting hole. Compare in prior art between the burst the joining force mainly through the frictional force transmission between the flange, this connection structure's firm in connection nature is higher, and the joining force is bigger, and anti-fatigue capability is stronger, and fail safe nature is higher.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a connecting structure between wind power generator tower sections.
Background
The wind driven generator tower is mainly used for bearing a wind driven generator set. The steel plates are formed into a tower barrel through rolling welding and some auxiliary treatment in a factory, and the tower barrels in one section are connected on a project site to form a final complete tower barrel. Wind farm developers are increasingly demanding high towers for more efficient use of wind resources, with a corresponding increase in tower diameter and weight. However, the transportation and construction installation of the tower are always difficult, and the tower cannot be processed to be too large in diameter or too heavy due to the limitation of roads.
At present, a feasible method is to use a split type tower drum to solve the problem, the concrete operation is to divide the original circular tower drum into three to four pieces along the circumferential direction, and then the connection assembly construction is carried out on the project site, so that the transportation difficulty is greatly reduced. In the existing engineering practice, the segmented connection of the tower barrel is generally realized by adopting a flange plate and a bolt, and the connection mode has the characteristics of high construction difficulty, difficulty in ensuring quality, lower connection reliability and high requirement on later-stage operation and maintenance. It is emphasized that the working environment of a large-sized wind driven generator is generally severe, and the dynamic load borne by the tower barrel is random and variable, so that the flange and bolt connection has high reliability requirements.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a connection structure between tower segments of a wind turbine generator with higher reliability.
In order to achieve the purpose, the invention provides a connecting structure between tower sections of a wind driven generator, which comprises a plurality of tower sections distributed in sequence along the circumferential direction of a tower, wherein at least two tower sections are respectively a first tower section and a second tower section, a first connecting part is arranged on one side of the first tower section close to the second tower section, a first connecting groove is arranged on the first connecting part, a first connecting hole is formed in the side wall of the first connecting groove, a second connecting part is arranged on one side of the second tower section close to the first tower section, a second connecting hole is formed in the second connecting part, the second connecting part is embedded in the first connecting groove of the first connecting part, an expansion block is embedded in the first connecting hole, and the expansion block is also embedded in the second connecting hole.
Furthermore, the expansion block comprises a first sub-block, a second sub-block, a first pushing block and a second pushing block, the first pushing block and the second pushing block are both located between the first sub-block and the second sub-block and are connected through bolts, and when the first pushing block and the second pushing block are close to each other, the first sub-block and the second sub-block can be pushed to be away from each other.
Furthermore, a first driving inclined plane is arranged on one side wall of the first pushing block and is in contact with the first sub-block, a second driving inclined plane is arranged on one side wall of the second pushing block and is in contact with the first sub-block, the first driving inclined plane is a plane or a curved surface, and the second driving inclined plane is a plane or a curved surface.
Furthermore, a first passive inclined plane attached to the first active inclined plane is arranged on the first block, a second passive inclined plane attached to the second active inclined plane is arranged on the first block, the first passive inclined plane is a plane or a curved surface, and the second passive inclined plane is a plane or a curved surface.
Further, a third driving inclined plane is arranged on the other side wall of the first pushing block and is in contact with the second sub-block, a fourth driving inclined plane is arranged on the other side wall of the second pushing block and is in contact with the second sub-block, the third driving inclined plane is a plane or a curved surface, and the fourth driving inclined plane is a plane or a curved surface.
Furthermore, a third passive inclined plane attached to the third active inclined plane is arranged on the second block, a fourth passive inclined plane attached to the fourth active inclined plane is arranged on the second block, the third passive inclined plane is a plane or a curved surface, and the fourth passive inclined plane is a plane or a curved surface.
Furthermore, the side wall of the first connecting groove is provided with a plurality of first connecting holes, and all the first connecting holes are distributed at intervals along the axial direction of the tower.
Furthermore, a third connecting portion is arranged on the other side edge of the first tower section piece, and a third connecting hole is formed in the third connecting portion.
Furthermore, a fourth connecting portion is arranged on the other side edge of the second tower section piece, a second connecting groove is formed in the fourth connecting portion, and a fourth connecting hole is formed in the side wall of the second connecting groove.
Further, the first connecting hole and the second connecting hole are both long waist holes.
As mentioned above, the connection structure between the tower sections of the wind driven generator has the following beneficial effects:
this connection structure, the second connecting portion that utilizes second tower section of thick bamboo burst inlays in the first connecting groove of first tower section of thick bamboo burst, restrict the radial movement of second tower section of thick bamboo burst along the tower section of thick bamboo for first tower section of thick bamboo burst, and utilize the cooperation of inflation piece and first connecting hole and second connecting hole, restrict second tower section of thick bamboo burst for first tower section of thick bamboo burst circumference and axial displacement along the tower section of thick bamboo, thereby realize the fixed connection between first tower section of thick bamboo burst and second tower section of thick bamboo burst, and compare in the frictional force transmission between the connecting force between the burst mainly through the flange among the prior art, this connection structure's firm in connection nature is higher, the engaging force is bigger, anti fatigue ability is stronger, fail safe nature is higher.
Drawings
FIG. 1 is a schematic view of a connection structure between tower segments of a wind turbine generator according to an embodiment of the present invention.
FIG. 2 is an exploded view of a connection structure between tower segments of a wind turbine in an embodiment of the invention.
FIG. 3 is a schematic structural view of a first tower section in accordance with an embodiment of the present invention.
FIG. 4 is a schematic structural view of a second tower section in accordance with an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an expansion block in the embodiment of the invention.
FIG. 6 is a schematic structural diagram of a tower according to an embodiment of the present invention.
Description of the element reference numerals
Fourth connecting hole of 100 tower segment 222
1 first tower section 3 expansion block
11 first connection 31 first segment
111 first connection groove 32 second block
112 first connection hole 33 first push block
12 third connecting portion 331 first active inclined plane
121 third connecting hole 332 third active ramp
2 second course segment 34 second pusher block
21 second connection portion 341 second active inclined surface
211 second connection hole 342 fourth active slope
22 fourth connecting part 35 bolt
221 second connection groove
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
As shown in fig. 1 to 6, the embodiment provides a connection structure between wind turbine tower sections, including a plurality of tower sections 100 distributed in sequence along the circumference of a tower, at least two tower sections 100 are a first tower section 1 and a second tower section 2, a first connection portion 11 is disposed on a side of the first tower section 1 close to the second tower section 2, a first connection groove 111 is disposed on the first connection portion 11, a first connection hole 112 is disposed on a sidewall of the first connection groove 111, a second connection portion 21 is disposed on a side of the second tower section 2 close to the first tower section 1, a second connection hole 211 is disposed on the second connection portion 21, the second connection portion 21 is embedded in the first connection groove 111 of the first connection portion 11, an expansion block 3 is embedded in the first connection hole 112, and the expansion block 3 is also embedded in the second connection hole 211. In this embodiment, the connection structure, the second connection portion 21 of the second tower section 2 is embedded in the first connection groove 111 of the first tower section 1, the second tower section 2 is limited from moving radially along the tower relative to the first tower section 1, and the expansion block 3 is utilized to cooperate with the first connection hole 112 and the second connection hole 211, the second tower section 2 is limited from moving circumferentially and axially relative to the first tower section 1 along the tower, thereby realizing the fixed connection between the first tower section 1 and the second tower section 2, and comparing with the prior art, the connection force between the sections is mainly transmitted through the friction force between the flanges, the connection firmness of the connection structure is higher, the connection force is larger, the fatigue resistance is stronger, and the safety and reliability are higher.
As shown in FIG. 6, the tower drum of the present embodiment specifically includes 4 tower segments 100, and in other embodiments, the tower drum may be divided into a corresponding number of tower segments 100 along the circumferential direction as required.
As shown in fig. 5, in the present embodiment, the expansion block 3 includes a first block 31, a second block 32, a first pushing block 33 and a second pushing block 34, the first pushing block 33 and the second pushing block 34 are both located between the first block 31 and the second block 32, and the first pushing block 33 and the second pushing block 34 are connected by a bolt 35, so that when the first pushing block 33 and the second pushing block 34 approach each other, the first block 31 and the second block 32 can be pushed away from each other. In the assembling process, after the expansion block 3 is placed into the first connecting hole 112 and the second connecting hole 211, the first pushing block 33 and the second pushing block 34 are close to each other through the adjusting bolt 35, so that the first sub-block 31 and the second sub-block 32 are pushed to be away from each other, the whole expansion block 3 is in an expansion state, can be tightly matched with the first connecting hole 112 and the second connecting hole 211, and can be firmly installed in the first connecting hole 112 and the second connecting hole 211; and the adjustment mode is simple to operate and convenient for assembly work.
As shown in fig. 5, in this embodiment, a first active inclined surface 331 is disposed on a side wall of the first pushing block 33, the first active inclined surface 331 contacts with the first sub-block 31, a second active inclined surface 341 is disposed on a side wall of the second pushing block 34, and the second active inclined surface 341 contacts with the first sub-block 31. When the first pushing block 33 and the second pushing block 34 approach each other, the first active inclined surface 331 and the second active inclined surface 341 will push the first block 31 to move in a direction away from the second block 32. In this embodiment, the first sub-block 31 is provided with a first passive inclined surface attached to the first active inclined surface 331, and the first sub-block 31 is provided with a second passive inclined surface attached to the second active inclined surface 341, so as to ensure that the first sub-block 31 maintains a good matching relationship with the first pushing block 33 and the second pushing block 34. In addition, in the embodiment, the first active inclined plane 331 may be a plane or a curved surface, the second active inclined plane 341 may be a plane or a curved surface, the first passive inclined plane may be a plane or a curved surface, and the second passive inclined plane may be a plane or a curved surface.
Meanwhile, as shown in fig. 5, in the present embodiment, a third active inclined surface 332 is disposed on the other side wall of the first pushing block 33, the third active inclined surface 332 contacts with the second block 32, a fourth active inclined surface 342 is disposed on the other side wall of the second pushing block 34, and the fourth active inclined surface 342 contacts with the second block 32. When the first pushing block 33 and the second pushing block 34 approach each other, the third active inclined surface 332 and the fourth active inclined surface 342 will push the second block 32 to move in a direction away from the first block 31. In this embodiment, the second block 32 is provided with a third passive inclined surface attached to the third active inclined surface 332, and the second block 32 is provided with a fourth passive inclined surface attached to the fourth active inclined surface 342, so as to ensure that the second block 32 maintains a good matching relationship with the first pushing block 33 and the second pushing block 34. In addition, in the present embodiment, the third active inclined surface 332 is a plane or a curved surface, the fourth active inclined surface 342 is a plane or a curved surface, the third passive inclined surface can be a plane or a curved surface, and the fourth passive inclined surface can be a plane or a curved surface.
As shown in fig. 1 to 4, in this embodiment, the side wall of the first connecting groove 111 is provided with a plurality of the first connecting holes 112, and all the first connecting holes 112 are distributed at intervals along the axial direction of the tower, correspondingly, the second connecting portions 21 are provided with the second connecting holes 211 equal to the first connecting holes 112 in number, all the second connecting holes 211 respectively correspond to all the first connecting holes 112 in the up-down direction, and the expansion blocks 3 are embedded in all the first connecting holes 112 and all the second connecting holes 211, so as to enhance the connecting strength between the first tower segment 1 and the second tower segment 2.
As shown in fig. 3, in the embodiment, a third connecting portion 12 is disposed on the other side edge of the first tower segment 1, and a third connecting hole 121 is disposed on the third connecting portion 12, during the assembly process, the third connecting portion 12 is configured to be embedded in a connecting groove of another tower segment, and the third connecting hole 121 is configured to be embedded in the expansion block 3 and connected to another tower segment through the expansion block 3.
As shown in fig. 4, in the embodiment, a fourth connecting portion 22 is disposed on the other side edge of the second tower segment 2, a second connecting groove 221 is disposed on the fourth connecting portion 22, a fourth connecting hole 222 is disposed on a side wall of the second connecting groove 221, during the assembling process, the second connecting groove 221 is used for being embedded into a connecting portion of another tower segment, and the fourth connecting hole 222 is used for being connected with another tower segment through the expansion block 3.
First connecting hole 112 and second connecting hole 211 are long waist hole in this embodiment to processing, and guarantee that first connecting hole 112 and second connecting hole 211 have better cooperation between inflation piece 3.
The tower section of thick bamboo includes a plurality of shards that distribute in proper order along its circumference in this embodiment, adopts above-mentioned connection structure to connect between two adjacent shards. Wherein the two segments are the first tower segment 1 and the second tower segment 2, respectively. In this embodiment, the first tower segment 1 includes an arc-shaped first segment body, the first connecting portion 11 and the third connecting portion 12; one side of the first sub-body is fixedly connected to the first connecting portion 11, and the other side is fixedly connected to the third connecting portion 12. The second tower segment 2 includes an arc-shaped second segment body, the second connecting portion 21 and the fourth connecting portion 22, and two side edges of the second segment body are respectively fixedly connected to the second connecting portion 21 and the fourth connecting portion 22. In the assembling process, two side edges of the first segment body are fixedly connected with the first connecting part 11 and the third connecting part 12 to form a first tower segment 1; two side edges of the second partition body are fixedly connected with the second connecting part 21 and the fourth connecting part 22 to form a second tower section partition 2; embedding the second connecting part 21 of the second tower section 2 into the first connecting groove 111 of the first tower section 1, so that the second connecting hole 211 corresponds to the first connecting hole 112, and the second tower section 2 is limited from moving relative to the first tower section 1 in the radial direction of the tower; then, the expansion block 3 is installed in the first connecting hole 112 and the second connecting hole 211, the bolt 35 is screwed down to enable the expansion block 3 to expand and tightly fit with the first connecting hole 112 and the second connecting hole 211, so that the second tower section segment 2 is limited to move relative to the first tower section segment 1 along the axial direction and the circumferential direction of the tower by utilizing the contact action of the expansion block 3, the first tower section segment 1 and the second tower section segment 2, and the connection structure transmits the connection force between the first tower section segment 1 and the second tower section segment 2 by utilizing the contact action of the expansion block 3, the first connecting hole 112 and the second connecting hole 211. In the prior art, the tower drum segments are connected through the flanges and the connecting bolts, and the connecting force between the tower drum segments is mainly transmitted through the friction force between the flanges. Compared with the prior art, the connecting structure has the advantages of larger connecting force, stronger anti-fatigue capability, safety and reliability. In addition, the connection structure in the embodiment can be applied to various large-scale pipelines, towers and the like in ocean engineering and petrochemical facilities.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A connecting structure between tower sections of a wind driven generator is characterized by comprising a plurality of tower section pieces (100) which are sequentially distributed along the circumferential direction of a tower, at least two tower section pieces (100) are a first tower section piece (1) and a second tower section piece (2) respectively, a first connecting part (11) is arranged on one side of the first tower section piece (1) close to the second tower section piece (2), a first connecting groove (111) is formed in the first connecting part (11), a first connecting hole (112) is formed in the side wall of the first connecting groove (111), a second connecting part (21) is arranged on one side of the second tower section piece (2) close to the first tower section piece (1), a second connecting hole (211) is formed in the second connecting part (21), and the second connecting part (21) is embedded in the first connecting groove (111) of the first connecting part (11), an expansion block (3) is embedded in the first connecting hole (112), and the expansion block (3) is also embedded in the second connecting hole (211).
2. The connection structure between the wind turbine tower segments according to claim 1, wherein the expansion block (3) comprises a first segment (31), a second segment (32), a first push block (33) and a second push block (34), the first push block (33) and the second push block (34) are both located between the first segment (31) and the second segment (32), the first push block (33) and the second push block (34) are connected through a bolt (35), and when the first push block (33) and the second push block (34) are close to each other, the first segment (31) and the second segment (32) can be pushed away from each other.
3. The connection structure between the tower segments of the wind turbine as claimed in claim 2, wherein a first active bevel (331) is provided on a side wall of the first push block (33), the first active bevel (331) contacts with the first segment (31), a second active bevel (341) is provided on a side wall of the second push block (34), the second active bevel (341) contacts with the first segment (31), the first active bevel (331) is a plane or a curved surface, and the second active bevel (341) is a plane or a curved surface.
4. The connection structure between the tower segments of the wind turbine as claimed in claim 3, wherein the first segment (31) is provided with a first passive bevel surface attached to the first active bevel surface (331), and the first segment (31) is provided with a second passive bevel surface attached to the second active bevel surface (341), the first passive bevel surface is a plane or a curved surface, and the second passive bevel surface is a plane or a curved surface.
5. The connection structure between the tower segments of the wind turbine as claimed in claim 3, wherein a third active bevel (332) is provided on the other side wall of the first push block (33), the third active bevel (332) contacts with the second push block (32), a fourth active bevel (342) is provided on the other side wall of the second push block (34), the fourth active bevel (342) contacts with the second push block (32), the third active bevel (332) is a plane or a curved surface, and the fourth active bevel (342) is a plane or a curved surface.
6. The connection structure between the tower segments of the wind turbine as claimed in claim 5, wherein the second segment (32) is provided with a third passive bevel surface attached to the third active bevel surface (332), and the second segment (32) is provided with a fourth passive bevel surface attached to the fourth active bevel surface (342), the third passive bevel surface is a plane or a curved surface, and the fourth passive bevel surface is a plane or a curved surface.
7. The connection structure between the tower segments of the wind turbine as claimed in claim 1, wherein the first connection grooves (111) have a plurality of first connection holes (112) formed in the sidewalls thereof, and all the first connection holes (112) are spaced apart from each other in the axial direction of the tower.
8. The connection structure between the tower segments of the wind turbine as claimed in claim 1, wherein a third connection portion (12) is disposed at another side of the first tower segment (1), and a third connection hole (121) is disposed at the third connection portion (12).
9. The connection structure between the tower segments of the wind turbine as claimed in claim 1, wherein a fourth connection portion (22) is disposed at another side of the second tower segment (2), a second connection groove (221) is disposed on the fourth connection portion (22), and a fourth connection hole (222) is disposed on a sidewall of the second connection groove (221).
10. The connection structure between the tower segments of the wind turbine as claimed in claim 1, wherein the first connection hole (112) and the second connection hole (211) are both long waist holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010634546.8A CN111765050B (en) | 2020-07-02 | 2020-07-02 | Connection structure between wind driven generator tower section of thick bamboo burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010634546.8A CN111765050B (en) | 2020-07-02 | 2020-07-02 | Connection structure between wind driven generator tower section of thick bamboo burst |
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| CN111765050A true CN111765050A (en) | 2020-10-13 |
| CN111765050B CN111765050B (en) | 2024-05-10 |
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