CN218266170U - Hub of wind driven generator and wind driven generator - Google Patents
Hub of wind driven generator and wind driven generator Download PDFInfo
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- CN218266170U CN218266170U CN202222614470.XU CN202222614470U CN218266170U CN 218266170 U CN218266170 U CN 218266170U CN 202222614470 U CN202222614470 U CN 202222614470U CN 218266170 U CN218266170 U CN 218266170U
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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 relates to a wind power equipment technical field especially relates to a aerogenerator's wheel hub and aerogenerator. The utility model provides a hub of a wind driven generator, which comprises a hub main body, wherein the hub main body comprises a main shaft mounting end, a windward end opposite to the main shaft mounting end and a plurality of paddle mounting parts distributed along the circumferential direction of the hub main body; the hub body is divided into a first part, a second part and a third part which are arranged along the circumferential direction by the first dividing surface, the second dividing surface and the third dividing surface; the main shaft mounting ends of the first part, the second part and the third part are connected by a first end connector, the windward end is connected by a second end connector, and the outer peripheral surfaces of the first part, the second part and the third part are connected by a plate-shaped member. According to the configuration, the utility model provides a wheel hub and aerogenerator, it need not form flange structure, simple structure on each partial body to the wheel hub makes the degree of difficulty has been reduced.
Description
Technical Field
The utility model relates to a wind power equipment technical field especially relates to a wind driven generator's wheel hub and wind driven generator.
Background
A hub of the wind driven generator is an important part of the wind driven generator, the hub is respectively connected with a blade and a main shaft of the wind driven generator, the blade drives the hub to rotate under the driving of wind energy, the hub drives the main shaft to rotate, and the main shaft drives power generation equipment to convert kinetic energy into electric energy.
In order to realize the installation of the hub, the main shaft and the blades, a main shaft connecting part is arranged at the first end (large head end) of the hub, a plurality of blade installation parts are arranged on the hub, the blade installation parts are uniformly distributed on the outer peripheral surface of the hub along the circumferential direction by taking the axial lead of the hub as the center, and the second end of the hub opposite to the first end is a windward end, so that the small head end of the hub is formed.
Due to the large volume of the hub, in the related art, the hub is usually provided as a split structure for facilitating manufacturing and transporting the hub, that is, the hub is formed by assembling at least two split parts. When the hub is manufactured and transported, each split part can be manufactured and transported independently, and after the hub is transported to an installation site, each split part is assembled to form the complete hub.
In the related art, the hub is divided into at least two independent split portions by a dividing surface, a flange structure is arranged at a butt joint position of the two adjacent split portions, the flange structure and the split portions are of a cast integral structure, and the flange structure is arranged on an outer side wall of the split portions and extends for a certain distance towards the outer sides of the split portions. When two adjacent part portions are butted, the flange structures of the two adjacent part portions are aligned, and then the flange structures are connected together through a plurality of bolts.
However, the flange structure needs to be cast on the split part at the same time, the structure is complex, the position precision requirement of the flange structure is high, and the manufacturing difficulty of the hub is high.
Therefore, how to solve the problem of the prior art that the hub is difficult to manufacture becomes an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a aerogenerator's wheel hub and aerogenerator, it need not form flange structure, simple structure on each partial portion to wheel hub's the manufacturing degree of difficulty has been reduced.
A first aspect of the present invention provides a hub of a wind turbine, including a hub main body, the hub main body including a main shaft mounting end, a windward end opposite to the main shaft mounting end, and a plurality of blade mounting portions distributed along a circumferential direction of the hub main body; wherein the content of the first and second substances,
the hub main body is provided with a first dividing surface, a second dividing surface and a third dividing surface, the first dividing surface, the second dividing surface and the third dividing surface are distributed along the circumferential direction of the hub main body and penetrate through a main shaft mounting end of the hub main body to a windward end, and the first dividing surface, the second dividing surface and the third dividing surface divide the hub main body into a first dividing part, a second dividing part and a third dividing part which are arranged along the circumferential direction;
the main shaft mounting ends of the first, second and third divided portions are connected by a first end connector, the windward end is connected by a second end connector, and the outer peripheral surfaces of at least two of the first, second and third divided portions are connected by a plate-like member.
According to the utility model provides a wind driven generator's wheel hub, be provided with the web in the region of paddle installation department, first section, second section and third section run through threely respectively the web of paddle installation department, platelike piece connect in first partial portion second partial portion with on the web of third partial portion.
According to the utility model provides a wind driven generator's wheel hub, first partial portion the second partial portion with the main shaft installation end of third partial portion all is provided with a plurality of first connecting holes, be provided with on the first end connection piece with the second connecting hole of first connecting hole one-to-one, first end connection piece pass through the cartridge in first connecting hole with the connecting piece of second connecting hole, will first partial portion the second partial portion with the main shaft installation end of third partial portion links together.
According to the utility model provides a hub of a wind driven generator, the first end connecting piece is formed by splicing at least two sections of arc-shaped connecting pieces in sequence; alternatively, the first end connection is a complete closed loop structure.
According to the utility model provides a wind driven generator's wheel hub, first partial portion the second partial portion with the windward end of third partial portion all is provided with a plurality of third connecting holes, be provided with on the second end connecting piece with the fourth connecting hole of third connecting hole one-to-one, the second end connecting piece pass through the cartridge in the third connecting hole with the connecting piece of fourth connecting hole, will first partial portion the second partial portion with the windward end of third partial portion links together.
According to the utility model provides a wind driven generator's wheel hub, first partial portion the second partial portion with the third partial portion is in be provided with a plurality of seventh connecting holes on the web respectively, be provided with on the plate-like piece with the eighth connecting hole of seventh connecting hole one-to-one, the plate-like piece pass through the cartridge in the seventh connecting hole with the connecting piece of eighth connecting hole, will first partial portion the second partial portion with the web of third partial portion links together.
According to the utility model provides a wind power generator's wheel hub, every be connected with two at least on the web the plate-like piece, and at least two the plate-like piece distributes the both sides of the manhole of web.
According to the utility model provides a wind driven generator's wheel hub, first section, second section and third section all with the axial lead of wheel hub main part coincides mutually.
According to the utility model provides a wind driven generator's wheel hub, first partial portion the second partial portion with third partial portion is symmetrical each other.
A second aspect of the present invention provides a wind power generator, comprising a hub of a wind power generator as defined in any one of the above.
The utility model provides an among the technical scheme, aerogenerator's wheel hub includes the wheel hub main part, and the wheel hub main part includes main shaft installation end, holds and a plurality of paddle installation departments that distribute along the circumference of wheel hub main part with the windward that the main shaft installation end is relative. The main shaft mounting end is used for being connected with a main shaft of the wind driven generator so as to drive power generation equipment through a hub, and when the hub main body is connected with the main shaft, the axis of the hub main body coincides with the axis of the main shaft. The hub main body is divided into a first divided portion, a second divided portion, and a third divided portion by a first divided surface, a second divided surface, and a third divided surface, each of which penetrates a main shaft mounting end to a windward end of the hub main body in a longitudinal direction (a direction of an axis line of the hub). It should be noted that each of the division planes is a virtual plane rather than a solid plane. The first, second, and third dividing surfaces are distributed along the circumferential direction of the hub main body so as to divide the hub main body into first, second, and third divided portions arranged in the circumferential direction, that is, the first, second, and third divided portions are arranged in the circumferential direction around the axial line of the hub main body, thereby forming the hub main body. The main shaft installation ends of the first part, the second part and the third part are connected through a first end connector, the windward end is connected through a second end connector, and the outer peripheral surfaces of the first part, the second part and the third part are connected through a plate-shaped piece, for example, the plate-shaped piece can be simultaneously connected on the outer peripheral surfaces of the first part and the second part to realize the connection of the first part and the second part, and other plate-shaped pieces are simultaneously connected on the outer peripheral surfaces of the second part and the third part and the outer peripheral surfaces of the third part and the first part to realize the mutual connection of the first part, the second part and the third part to form a complete hub body. According to the configuration, the utility model provides a technical scheme need not form the flange structure on each partial portion, and its simple structure has effectively reduced the manufacturing degree of difficulty.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described 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 these drawings without creative efforts.
Fig. 1 is a schematic view of the windward end of a wheel hub in an embodiment of the present invention;
FIG. 2 is a schematic view of a spindle mounting end of a hub in an embodiment of the present invention;
FIG. 3 is a schematic view of the connection state between the hub and the spindle according to the embodiment of the present invention;
in the figure:
11. a hub body; 111. a first split portion; 112. a second split portion; 113. a third separator; 121. a first dividing plane; 122. a second dividing plane; 123. a third dividing plane; 13. a windward end; 14. a paddle mounting portion; 15. a web; 16. a manhole; 17. a main shaft mounting end; 18. a second end connector; 19. a first end connector; 20. a main shaft; 21. a plate-like member.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be appreciated that the hub for the wind turbine has a large volume, and in order to facilitate the manufacture and transportation of the hub, the hub is generally divided into a plurality of divided parts, the divided parts are manufactured and transported separately, and after the divided parts are transported to an installation site, the divided parts are assembled and connected together to form a hub main body. In the related art, a flange structure is arranged at the butt joint position of two adjacent split parts, the flange structure and the split parts are cast into an integral structure, and the flange structure is arranged on the outer side wall of the split part and extends for a certain distance to the outer side of the split part. When two adjacent part portions are butted, the flange structures of the two adjacent part portions are aligned, and then the flange structures are connected together through a plurality of bolts. However, this kind of connection structure needs to cast the flange structure on the separate part at the same time, the structure is complicated, and the position accuracy requirement of the flange structure is higher, causing the manufacturing difficulty of wheel hub to be greater.
Based on the above technical problem, please refer to fig. 1-3, the present embodiment provides a hub of a wind turbine, which includes a hub main body 11, wherein the hub main body 11 is used for connecting with a blade and a main shaft 20 of the wind turbine.
The hub body 11 has a main shaft attachment end 17, a windward end 13, and a blade attachment portion 14. The hub body 11 has a hollow structure inside, the spindle mounting end 17 is provided with a spindle mounting hole for matching with the spindle 20, and when the spindle mounting end 17 is connected with the spindle 20, the axis of the hub body 11 coincides with the axis of the spindle 20. The windward end 13 of the hub body 11 is disposed opposite to the main shaft mounting end 17, that is, the windward end 13 and the main shaft mounting end 17 are respectively located at two opposite ends of the hub, and the windward end 13 is provided with a through hole structure.
The blade mounting portion 14 is used for mounting blades, and in general, the wind turbine generator is provided with three blades, and correspondingly, the blade mounting portions 14 of the hub body are three and uniformly distributed along the circumferential direction by taking the axial lead of the hub body as the center, the blade mounting portion 14 may be provided with an annular flange, and a variable-pitch bearing of the blade is mounted on the annular flange of the hub. The inside of annular flange can be provided with web 15, and web 15 can play the effect of strengthening the whole structural strength of wheel hub to, inside convenient operation personnel got into the wheel hub, be provided with the manhole 16 that supplies operation personnel to pass on each web 15, manhole 16 can set up the central point at web 15 and put.
In the present embodiment, the hub main body 11 is divided into the first divided part 111, the second divided part 112, and the third divided part 113 by the first divided surface 121, the second divided surface 122, and the third divided surface 123, each of which penetrates the main shaft attachment end 17 to the windward end 13 of the hub main body 11 in the longitudinal direction (the axial line direction of the hub main body 11).
The first, second, and third dividing surfaces 121, 122, and 123 are distributed along the circumferential direction of the hub main body 11 so as to divide the hub main body 11 into the first, second, and third divided portions 111, 112, and 113 arranged in the circumferential direction, that is, the first, second, and third divided portions 111, 112, and 113 are arranged in the circumferential direction around the axial center line of the hub main body 11, and are combined to form the hub main body 11.
The main shaft installation ends 17 of the first, second and third division parts 111, 112 and 113 in the present embodiment are connected by a first end connector 19, the windward end 13 is connected by a second end connector 18, and the outer circumferential surfaces of the first, second and third division parts 111, 112 and 113 are connected by a plate-shaped member 21, and specifically, the plate-shaped member 21 may include a first plate-shaped member, a second plate-shaped member and a third plate-shaped member, wherein the first plate-shaped member is simultaneously connected to the outer circumferential surfaces of the first and second division parts 111 and 112 to achieve the connection of the first and second division parts 111 and 112. The second plate-like member is simultaneously attached to the outer circumferential surfaces of the second and third divided portions 112 and 113 to achieve the connection of the second and third divided portions 112 and 113. The third plate-like member is simultaneously attached to the outer circumferential surfaces of the third division portion 113 and the first division portion 111 to achieve the mutual connection of the first division portion 111 and the third division portion 113. With this arrangement, the first, second and third body parts 111, 112 and 113 of the hub main body 11 are connected to each other by the first and second end connectors 19 and 18 and the first, second and third plate-like members to form a single body. Obviously, the technical scheme that this embodiment provided need not form the flange structure on each part portion, and its simple structure has effectively reduced the manufacturing degree of difficulty of wheel hub body.
In a further embodiment, the first, second and third split surfaces 121, 122, 123 respectively extend through the webs 15 of the three blade mounting portions 14, in particular, the webs 15 of the three blade mounting plates may be spaced apart along a line of symmetry of the webs 15, and the plate-like members 21 are connected to the webs 15 of the first, second and third split portions 111, 112, 113 respectively.
It should be noted that, the web 15 is a flat plate structure, and the plate-shaped member 21 is connected to the web 15, and the plate-shaped member 21 may also be correspondingly configured to be a flat plate structure, which is simple in structure and convenient to install.
In a further embodiment, the hub body 11 is divided into the first division part 111, the second division part 112 and the third division part 113 by the first division surface 121, the second division surface 122 and the third division surface 123, and each division surface coincides with the axial line of the hub body 11, and here, the axial line of the hub refers to the axial line of the main shaft 20 after the hub is connected with the main shaft 20 of the wind turbine generator, that is, the axial line of the hub. The first, second, and third divided portions 111, 112, and 113 may be symmetrical to each other, for example, the first divided portion 111 and the second divided portion 112 may be symmetrical to each other with a dividing plane therebetween as a symmetrical plane, similarly, the second divided portion 112 and the third divided portion 113 may be symmetrical to each other with a dividing plane therebetween as a symmetrical plane, and the third divided portion 113 and the first divided portion 111 may be symmetrical to each other with a dividing plane therebetween as a symmetrical plane.
The main shaft mounting ends 17 of the first, second and third parts 111, 112 and 113 are connected by a first end connector 19, and the first end connector 19 is simultaneously connected to the main shaft mounting ends 17 of the first, second and third parts 111, 112 and 113, thereby realizing the connection of the main shaft mounting ends 17 of the first, second and third parts 111, 112 and 113.
In a further embodiment, the spindle mounting ends 17 of the first, second and third body parts 111, 112 and 113 are provided with a plurality of first connection holes, the first end connection piece 19 is provided with second connection holes corresponding to the first connection holes one to one, and the first end connection piece 19 connects the spindle mounting ends 17 of the first, second and third body parts 111, 112 and 113 together by means of connection pieces such as bolts, pins and the like inserted into the first and second connection holes.
Because the main shaft mounting end 17 of the hub main body 11 has a large size, in order to reduce the processing difficulty of the first end connecting piece 19, the first end connecting piece 19 can be formed by splicing a plurality of sections of arc-shaped connecting pieces, for example, two sections of semi-annular connecting pieces can be spliced to form a whole annular connecting piece. Of course, in other embodiments, the first end connector 19 may be a complete closed loop structure.
The windward ends 13 of the first, second and third split portions 111, 112 and 113 are connected by a second end connector 18, and a second annular member is simultaneously connected to the windward ends 13 of the first, second and third split portions 111, 112 and 113, thereby realizing the connection of the windward ends 13 of the first, second and third split portions 111, 112 and 113.
In a further embodiment, the windward end 13 of the first division portion 111, the windward end 13 of the second division portion 112, and the windward end 13 of the third division portion 113 are all provided with a plurality of third connecting holes, the second end connecting member 18 is provided with fourth connecting holes corresponding to the third connecting holes one to one, and the second end connecting member 18 connects the windward end 13 of the first division portion 111, the windward end 13 of the second division portion 112, and the windward end 13 of the third division portion 113 together through connecting members such as bolts, pins, etc. inserted into the third connecting holes and the fourth connecting holes.
With the arrangement, the second end connector 18 is simultaneously connected to the windward ends 13 of the first split part 111, the second split part 112 and the third split part 113, so that the connection of the windward ends 13 of the three split parts is realized.
In order to achieve the interconnection of the web 15 portions of the first, second and third body parts 111, 112 and 113, in the present embodiment, the plate-shaped member 21 includes a first plate-shaped member, a second plate-shaped member and a third plate-shaped member, wherein the first plate-shaped member is simultaneously connected to the webs 15 of the first and second body parts 111 and 112 to achieve the connection of the webs 15 of the first and second body parts 111 and 112. Specifically, a plurality of fifth connecting holes are formed in the web plates 15 of the first and second split portions 111 and 112, and a sixth connecting hole is formed in the first plate-shaped member, so that the web plates 15 of the first and second split portions 111 and 112 can be connected by connecting members such as bolts and pins which are simultaneously inserted into the fifth and sixth connecting holes. In the same manner, a second plate-like member is simultaneously attached to the webs 15 of the second and third body sections 112, 113 to effect the attachment of the webs 15 of the second and third body sections 112, 113. The third plate-like member is connected to both the third body segment 113 and the web 15 of the first body segment 111 to effect connection of the webs 15 of the first body segment 111 and the third body segment 113.
The embodiment of the utility model provides an in still provide a aerogenerator, including as above arbitrary embodiment aerogenerator's wheel hub. So set up, the aerogenerator that this embodiment provided, its hub simple structure can reduce the manufacturing degree of difficulty of hub. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the hub of the wind driven generator, and is not repeated here. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A hub of a wind driven generator, characterized by comprising a hub main body (11), wherein the hub main body (11) comprises a main shaft mounting end (17), a windward end (13) opposite to the main shaft mounting end (17), and a plurality of blade mounting portions (14) distributed along the circumferential direction of the hub main body (11); wherein the content of the first and second substances,
the hub main body (11) is provided with a first dividing surface (121), a second dividing surface (122) and a third dividing surface (123), the first dividing surface (121), the second dividing surface (122) and the third dividing surface (123) are distributed along the circumferential direction of the hub main body (11), a main shaft mounting end (17) of the hub main body (11) penetrates through a windward end (13), and the first dividing surface (121), the second dividing surface (122) and the third dividing surface (123) divide the hub main body (11) into a first dividing part (111), a second dividing part (112) and a third dividing part (113) which are arranged along the circumferential direction;
the main shaft mounting ends (17) of the first part (111), the second part (112), and the third part (113) are connected by a first end connector (19), the windward end (13) is connected by a second end connector (18), and the outer peripheral surfaces of at least two of the first part (111), the second part (112), and the third part (113) are connected by a plate-shaped member (21).
2. Hub for a wind turbine according to claim 1, wherein a web (15) is provided in the region of the blade mount (14), wherein the first (121), second (122) and third (123) dividing surfaces extend through the webs (15) of three blade mounts (14), respectively, and wherein the plate (21) is connected to the webs (15) of the first (111), second (112) and third (113) body parts.
3. The hub of a wind turbine according to claim 1, wherein the main shaft mounting ends (17) of the first, second and third body parts (111, 112, 113) are provided with a plurality of first connection holes, the first end connection member (19) is provided with second connection holes corresponding to the first connection holes, and the first end connection member (19) connects the main shaft mounting ends (17) of the first, second and third body parts (111, 112, 113) together by means of connection members inserted into the first and second connection holes.
4. A hub for a wind turbine according to claim 3, wherein said first end connection (19) is formed by at least two segments of arc-shaped connection members spliced one after the other; alternatively, the first end connection (19) is a complete closed loop structure.
5. The hub of a wind power generator according to claim 1, wherein the windward ends (13) of the first, second and third parts (111, 112, 113) are provided with a plurality of third connecting holes, the second end connecting member (18) is provided with fourth connecting holes corresponding to the third connecting holes, and the second end connecting member (18) connects the windward ends (13) of the first, second and third parts (111, 112, 113) together by connecting members inserted into the third and fourth connecting holes.
6. The hub of a wind turbine according to claim 2, wherein the first, second and third parts (111, 112, 113) are provided with a plurality of seventh connecting holes on the web (15), respectively, the plate-shaped member (21) is provided with eighth connecting holes corresponding to the seventh connecting holes, and the plate-shaped member (21) connects the webs (15) of the first, second and third parts (111, 112, 113) together by means of connecting members inserted into the seventh and eighth connecting holes.
7. Hub for a wind turbine according to claim 6, wherein at least two plate-like elements (21) are connected to each web (15) and wherein at least two plate-like elements (21) are distributed on both sides of the manhole (16) of the web (15).
8. Hub of a wind power generator according to claim 1, wherein the first (121), second (122) and third (123) dividing surfaces all coincide with the axial line of the hub body (11).
9. Hub for a wind generator according to claim 8, wherein said first, second and third division (111, 112, 113) are symmetrical to each other.
10. A wind power generator, characterized by comprising a hub of a wind power generator according to any of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222614470.XU CN218266170U (en) | 2022-09-30 | 2022-09-30 | Hub of wind driven generator and wind driven generator |
| EP23166192.7A EP4345286A1 (en) | 2022-09-30 | 2023-03-31 | Hub of wind power generator and wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222614470.XU CN218266170U (en) | 2022-09-30 | 2022-09-30 | Hub of wind driven generator and wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266170U true CN218266170U (en) | 2023-01-10 |
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ID=84751052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222614470.XU Active CN218266170U (en) | 2022-09-30 | 2022-09-30 | Hub of wind driven generator and wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266170U (en) |
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2022
- 2022-09-30 CN CN202222614470.XU patent/CN218266170U/en active Active
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