CN214660604U - Flange structure, tower and wind power generation system - Google Patents
Flange structure, tower and wind power generation system Download PDFInfo
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- CN214660604U CN214660604U CN202120452800.2U CN202120452800U CN214660604U CN 214660604 U CN214660604 U CN 214660604U CN 202120452800 U CN202120452800 U CN 202120452800U CN 214660604 U CN214660604 U CN 214660604U
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- flange
- annular plate
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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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Abstract
The utility model provides a flange structure, pylon and wind power generation system, the flange structure includes: the flange comprises a first flange part, a second flange part and a connecting piece; the first flange part and the second flange part are abutted in the axial direction; the connecting piece sequentially penetrates through the first flange part and the second flange part to connect the first flange part and the second flange part; the connecting pieces are uniformly distributed along the circumferential direction of the first flange part and the second flange part. The utility model provides a pair of flange structure, pylon and wind power generation system through improving flange structure, sets up flange structure into the multipart combination, under the prerequisite of keeping the pretightning force, improves flange structure's fatigue safety margin to and the life of bolt on the flange.
Description
Technical Field
The utility model relates to a wind power generation equipment technical field especially relates to a flange structure, pylon and wind power generation system.
Background
At present, along with the improvement of the demand for electric energy, the length of a motor blade of the wind power generation, the power of a motor and the height of a tower drum are greatly changed compared with the traditional wind power generation equipment, the load of a flange on the tower drum is increased, the thickness and the diameter of the flange are increased in order to increase the bearing capacity of the flange, and the flange is heavier and heavier due to the improvement and higher cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flange structure, which is used for solving the defects that the weight of a flange is heavier and the cost is higher and heavier as the thickness and the diameter of the flange are increased in order to increase the bearing capacity of the flange in the prior art; through improving the flange structure, set up the flange structure into the combination of many parts, under the prerequisite of keeping the pretightning force, improve the fatigue safety margin of flange structure to and the life of bolt on the flange.
The utility model also provides a tower frame, which is used for solving the defects that the tower barrel of the tower frame is higher and higher in the prior art, so that the load of the flange is larger and larger in use, the manufacturing cost of the flange is increased, and the service life of the flange is seriously influenced; through improving the flange structure, set up the flange structure into the combination of many parts, under the prerequisite of keeping the pretightning force, improve the fatigue safety margin of flange structure to and the life of bolt on the flange.
The utility model also provides a wind power generation system for solve in the prior art along with the promotion to the electric energy demand, wind power generation's motor blade length, motor power and tower section of thick bamboo height all have great change than former wind power generation equipment, bring along with it that flange load on the tower section of thick bamboo is bigger and bigger, in order to increase the bearing capacity of flange, the thickness and the diameter of flange have all been increased, but this kind of improvement leads to the weight of flange more and more heavy, the cost defect that is higher and more; through improving the flange structure, set up the flange structure into the combination of many parts, under the prerequisite of keeping the pretightning force, improve the fatigue safety margin of flange structure to and the life of bolt on the flange.
According to the utility model discloses a flange structure that first aspect provided, include: the flange comprises a first flange part, a second flange part and a connecting piece;
the first flange part and the second flange part are abutted in the axial direction;
the connecting piece sequentially penetrates through the first flange part and the second flange part to connect the first flange part and the second flange part;
the connecting pieces are uniformly distributed along the circumferential direction of the first flange part and the second flange part.
According to the utility model discloses an embodiment, first flange portion includes: a first flange top annular plate, a first flange bottom annular plate and a first flange circumferential annular plate;
the first flange top annular plate and the first flange bottom annular plate are arranged in parallel;
the first flange circumferential annular plate is connected with the end parts of the first flange top annular plate and the first flange bottom annular plate respectively.
Particularly, this embodiment provides an implementation mode of first flange portion, through setting up first flange portion into first flange top annular slab, the fretwork type flange structure that first flange bottom annular slab and first flange circumference annular slab surround and form, the effectual flange structure weight that has solved because flange size grow that the flange load increase brought and thickness increase brings is more and more heavy problem, under the prerequisite that satisfies flange structure intensity and connecting piece fatigue resistance performance, the setting of fretwork structure can be so that the flange under equal weight prerequisite, the thickness of flange can obtain further increase.
According to an embodiment of the invention, the first flange top annular plate has a smaller width in the radial direction than the first flange bottom annular plate.
Specifically, the present embodiment provides another embodiment of the first flange portion, and the radial width of the annular plate at the top of the first flange is set to be smaller than the width of the annular plate at the bottom of the first flange, so that the moment arm of the connecting member at the annular plate at the bottom of the first flange is increased and the load is reduced.
According to the utility model discloses an embodiment, first flange portion still includes: first flange strengthening rib, it is a plurality of first flange strengthening rib interval set up in first flange top annular slab first flange bottom annular slab with first flange circumference annular slab surrounds in the first region of formation, and respectively with first flange top annular slab first flange bottom annular slab with first flange circumference annular slab connects.
Particularly, this embodiment provides an implementation mode that sets up the strengthening rib in first flange portion, through setting up first flange strengthening rib for under the thickness promotion of flange and the inside prerequisite that sets up to hollow out construction, the intensity of flange can be guaranteed.
According to the utility model discloses an embodiment, the second flange portion includes: a second flange top annular plate, a second flange bottom annular plate and a second flange circumferential annular plate;
the second flange top annular plate and the second flange bottom annular plate are arranged in parallel;
the second flange circumferential annular plate is connected with the end parts of the second flange top annular plate and the second flange bottom annular plate respectively;
wherein the second flange top annular plate abuts the first flange bottom annular plate.
Particularly, this embodiment provides an implementation mode of second flange portion, through setting up second flange portion as second flange top annular slab, the fretwork type flange structure that second flange bottom annular slab and second flange circumference annular slab surround the formation, the effectual flange structure weight that has solved because flange size grow that the flange load increase brought and thickness increase brings is more and more heavy problem, under the prerequisite that satisfies flange structure intensity and connecting piece fatigue resistance performance, the setting of fretwork structure can be so that the flange under equal weight prerequisite, the thickness of flange can obtain further increase.
According to an embodiment of the invention, the second flange top annular plate is wider in the radial direction than the second flange bottom annular plate.
Specifically, the present embodiment provides another embodiment of the second flange portion, and the radial width of the annular plate at the top of the second flange is set to be larger than that of the annular plate at the bottom of the second flange, so that the moment arm of the connecting member at the annular plate at the top of the second flange is increased and the load is reduced.
According to the utility model discloses an embodiment, the second flange portion still includes: the second flange strengthening rib, it is a plurality of second flange strengthening rib interval set up in second flange top annular slab second flange bottom annular slab with second flange circumference annular slab surrounds in the second region that forms, and respectively with second flange top annular slab second flange bottom annular slab with second flange circumference annular slab connects.
Particularly, this embodiment provides an implementation mode that sets up the second strengthening rib in second flange portion, through setting up second flange strengthening rib for under the thickness promotion of flange and the inside prerequisite that sets up to hollow out construction, the intensity of flange can be guaranteed.
According to the utility model discloses an embodiment, first flange portion with second flange portion is the integrated into one piece structure.
Particularly, the embodiment provides an implementation manner of the processing technology of the first flange portion and the second flange portion, and the first flange portion and the second flange portion are arranged into an integrally formed structure, so that the bearing capacity of the first flange portion and the second flange portion is improved, and the processing of the first flange portion and the second flange portion is facilitated.
According to the utility model discloses a second aspect provides a tower, include: the flange structure comprises a first cylinder, a second cylinder and the flange structure;
the cylinder body is welded with the first flange part, and the second cylinder body is welded with the second flange part;
the first flange part and the second cylinder are connected through the connecting piece.
According to a third aspect of the present invention, there is provided a wind power generation system having a flange structure as described above, or a tower as described above.
The utility model provides an above-mentioned one or more technical scheme has one of following technological effect at least: the utility model provides a pair of flange structure, pylon and wind power generation system through improving flange structure, sets up flange structure into the multipart combination, under the prerequisite of keeping the pretightning force, improves flange structure's fatigue safety margin to and the life of bolt on the flange.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is one of the schematic views of the assembly relationship of the tower flange structure provided by the present invention;
fig. 2 is a second schematic view illustrating an assembly relationship of the tower flange structure provided by the present invention;
fig. 3 is a schematic view of an assembly relationship between a flange structure and a cylinder in a tower flange structure provided by the present invention.
Reference numerals:
10. a first flange portion; 11. a first flange top ring 12, a first flange bottom ring plate; a shaped plate;
13. a first flange circumferential ring 14, a first flange stiffener; 20. a second flange portion;
a shaped plate;
21. a second flange top ring 22, a second flange bottom ring 23, a second flange circumferential annular plate; a shaped plate; a shaped plate;
24. a second flange stiffener; 30. a connecting member; 40. a first cylinder;
50. a second cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1 and 2, the present solution provides a flange structure, comprising: a first flange part 10, a second flange part 20 and a connecting member 30; the first flange portion 10 and the second flange portion 20 are axially abutted; the connection member 30 sequentially passes through the first flange part 10 and the second flange part 20 to connect the first flange part 10 and the second flange part 20; wherein, a plurality of connecting pieces 30 are evenly distributed along the circumferential direction of the first flange part 10 and the second flange part 20.
In detail, the utility model provides a flange structure for solve among the prior art for the bearing capacity who increases the flange, the thickness and the diameter of flange have all obtained the increase, but this kind of improvement leads to the weight of flange more and more heavy, and the defect that the cost is higher and more high is through improving flange structure, sets up flange structure into the multipart combination, under the prerequisite of keeping the pretightning force, improves flange structure's fatigue safety margin, and the life of bolt on the flange.
In some possible embodiments of the present invention, the first flange portion 10 includes: a first flange top annular plate 11, a first flange bottom annular plate 12 and a first flange peripheral annular plate 13; the first flange top annular plate 11 and the first flange bottom annular plate 12 are arranged in parallel; the first flange circumferential annular plate 13 is connected to the ends of the first flange top annular plate 11 and the first flange bottom annular plate 12, respectively.
Particularly, this embodiment provides an implementation mode of first flange portion 10, through setting up first flange portion 10 to first flange top annular plate 11, the fretwork type flange structure that first flange bottom annular plate 12 and first flange circumference annular plate 13 surround the formation, the effectual flange structure weight that has solved because flange size grow that flange load increases and bring increases the problem that the flange structure weight is more and more heavy that brings with thickness, under the prerequisite that satisfies flange structural strength and connecting piece 30 fatigue resistance, the setting of fretwork structure can be so that the flange under equal weight prerequisite, the thickness of flange can obtain further increase.
In some possible embodiments of the present invention, the width of the first flange top annular plate 11 in the radial direction is smaller than the width of the first flange bottom annular plate 12 in the radial direction.
Specifically, the present embodiment provides another embodiment of the first flange part 10, in which the radial width of the first flange top annular plate 11 is set to be smaller than the width of the first flange bottom annular plate 12, so that the moment arm of the connecting member 30 at the first flange bottom annular plate 12 is increased and the load applied is reduced.
In some possible embodiments of the present invention, the first flange portion 10 further includes: the first flange reinforcing ribs 14 are arranged in a first area formed by surrounding the first flange top annular plate 11, the first flange bottom annular plate 12 and the first flange circumferential annular plate 13 at intervals, and are respectively connected with the first flange top annular plate 11, the first flange bottom annular plate 12 and the first flange circumferential annular plate 13.
Particularly, this embodiment provides an implementation mode that sets up the strengthening rib in first flange portion 10, through setting up first flange strengthening rib 14 for under the thickness promotion of flange and the inside prerequisite that sets up to hollow out construction, the intensity of flange can be guaranteed.
In some possible embodiments of the present invention, the second flange portion 20 includes: a second flange top annular plate 21, a second flange bottom annular plate 22 and a second flange peripheral annular plate 23; the second flange top annular plate 21 and the second flange bottom annular plate 22 are arranged in parallel; the second flange circumferential annular plate 23 is connected with the ends of the second flange top annular plate 21 and the second flange bottom annular plate 22 respectively; wherein the second flange top annular plate 21 abuts the first flange bottom annular plate 12.
Particularly, this embodiment provides an implementation mode of second flange portion 20, through setting up second flange portion 20 as second flange top annular plate 21, the fretwork type flange structure that second flange bottom annular plate 22 and second flange circumference annular plate 23 surround the formation, the effectual flange structure weight that has solved because flange size grow that flange load increases and thickness increase brought is more and more heavy problem, under the prerequisite that satisfies flange structural strength and connecting piece 30 fatigue resistance ability, the setting of fretwork structure can make the flange under equal weight prerequisite, the thickness of flange can obtain further increase.
In some possible embodiments of the present invention, the second flange top annular plate 21 has a radial width greater than the radial width of the second flange bottom annular plate 22.
Specifically, the present embodiment provides another embodiment of the second flange part 20, and the radial width of the second flange top annular plate 21 is set to be larger than the width of the second flange bottom annular plate 22, so that the moment arm of the connecting member 30 at the second flange top annular plate 21 is increased and the load is reduced.
In some possible embodiments of the present invention, the second flange portion 20 further includes: and the second flange reinforcing ribs 24 are arranged in a second area formed by surrounding the second flange top annular plate 21, the second flange bottom annular plate 22 and the second flange circumferential annular plate 23 at intervals, and are respectively connected with the second flange top annular plate 21, the second flange bottom annular plate 22 and the second flange circumferential annular plate 23.
Particularly, this embodiment provides an implementation mode that sets up the second strengthening rib in second flange portion 20, through setting up second flange strengthening rib 24 for under the thickness promotion of flange and the inside prerequisite that sets up to hollow out construction, the intensity of flange can be guaranteed.
It should be noted that, after the first flange part 10 and the second flange part 20 are connected, the first hundred million flange reinforcing ribs 14 and the second flange reinforcing ribs 24 correspond to each other one by one.
In some possible embodiments of the present invention, the first flange portion 10 and the second flange portion 20 are integrally formed.
Specifically, the present embodiment provides an implementation of a process for manufacturing the first flange portion 10 and the second flange portion 20, which is to provide the first flange portion 10 and the second flange portion 20 as an integrally formed structure, so that the bearing capacity of the first flange portion 10 and the second flange portion 20 is improved, and the manufacturing of the first flange portion 10 and the second flange portion 20 is also facilitated.
In some embodiments of the present invention, as shown in fig. 1 to 3, the present solution provides a tower comprising: a first cylinder 40, a second cylinder 50 and one of the flange structures described above; the first cylinder 40 is welded to the first flange 10, the second cylinder 50 is welded to the second flange 20, and the first flange 10 and the second flange 20 are connected by the connecting member 30.
In detail, the utility model also provides a pylon for the tower section of thick bamboo of pylon is more and more high among the solution prior art, and the load that leads to in use flange is bigger and bigger, when having increased flange manufacturing cost, seriously influences flange life's defect, through improving the flange structure, sets up the flange structure into the multipart combination, under the prerequisite of keeping the pretightning force, improves the fatigue safety margin of flange structure, and the life of bolt on the flange.
In some embodiments of the present invention, the present invention provides a wind power generation system having a flange structure as described above, or a tower as described above.
In detail, the utility model provides a wind power generation system again, be used for solving among the prior art along with the promotion to the electric energy demand, wind power generation's motor blade length, motor power and a tower section of thick bamboo height all have great change than wind power generation equipment in the past, bring thereupon that the flange load on the tower section of thick bamboo is bigger and bigger, in order to increase the bearing capacity of flange, the thickness and the diameter of flange have all obtained the increase, but this kind of improvement leads to the weight of flange more and more heavily, the defect of higher and more high cost, through improving the flange structure, set up the flange structure into the multipart combination, under the prerequisite of keeping the pretightning force, improve the fatigue safety margin of flange structure, and the life of bolt on the flange.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. A flange structure, comprising: the flange comprises a first flange part, a second flange part and a connecting piece;
the first flange part and the second flange part are abutted in the axial direction;
the connecting piece sequentially penetrates through the first flange part and the second flange part to connect the first flange part and the second flange part;
the connecting pieces are uniformly distributed along the circumferential direction of the first flange part and the second flange part.
2. A flange structure according to claim 1, wherein the first flange portion includes: a first flange top annular plate, a first flange bottom annular plate and a first flange circumferential annular plate;
the first flange top annular plate and the first flange bottom annular plate are arranged in parallel;
the first flange circumferential annular plate is connected with the end parts of the first flange top annular plate and the first flange bottom annular plate respectively.
3. A flange structure according to claim 2, wherein the width of the first flange top annular plate in the radial direction is smaller than the width of the first flange bottom annular plate in the radial direction.
4. A flange structure according to claim 2, wherein the first flange portion further comprises: first flange strengthening rib, it is a plurality of first flange strengthening rib interval set up in first flange top annular slab first flange bottom annular slab with first flange circumference annular slab surrounds in the first region of formation, and respectively with first flange top annular slab first flange bottom annular slab with first flange circumference annular slab connects.
5. A flange structure according to claim 2, wherein the second flange portion includes: a second flange top annular plate, a second flange bottom annular plate and a second flange circumferential annular plate;
the second flange top annular plate and the second flange bottom annular plate are arranged in parallel;
the second flange circumferential annular plate is connected with the end parts of the second flange top annular plate and the second flange bottom annular plate respectively;
wherein the second flange top annular plate abuts the first flange bottom annular plate.
6. A flange structure according to claim 5, wherein the second flange top annular plate has a greater width in the radial direction than the second flange bottom annular plate.
7. A flange structure according to claim 5, wherein the second flange portion further comprises: the second flange strengthening rib, it is a plurality of second flange strengthening rib interval set up in second flange top annular slab second flange bottom annular slab with second flange circumference annular slab surrounds in the second region that forms, and respectively with second flange top annular slab second flange bottom annular slab with second flange circumference annular slab connects.
8. A flange construction according to any one of claims 1 to 7 wherein the first and second flange portions are of unitary construction.
9. A tower, comprising: a first cylinder, a second cylinder and a flange structure as claimed in any one of claims 1 to 8;
the cylinder body is welded with the first flange part, and the second cylinder body is welded with the second flange part;
the first flange part and the second cylinder are connected through the connecting piece.
10. A wind power system having a flange structure according to any of claims 1 to 8 or a tower according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452800.2U CN214660604U (en) | 2021-03-02 | 2021-03-02 | Flange structure, tower and wind power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452800.2U CN214660604U (en) | 2021-03-02 | 2021-03-02 | Flange structure, tower and wind power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214660604U true CN214660604U (en) | 2021-11-09 |
Family
ID=78450401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120452800.2U Active CN214660604U (en) | 2021-03-02 | 2021-03-02 | Flange structure, tower and wind power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214660604U (en) |
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2021
- 2021-03-02 CN CN202120452800.2U patent/CN214660604U/en active Active
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