CN216198697U - Front supporting device of wind turbine generator set flow guide cover, flow guide cover and wind turbine generator set - Google Patents
Front supporting device of wind turbine generator set flow guide cover, flow guide cover and wind turbine generator set Download PDFInfo
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- CN216198697U CN216198697U CN202122163218.7U CN202122163218U CN216198697U CN 216198697 U CN216198697 U CN 216198697U CN 202122163218 U CN202122163218 U CN 202122163218U CN 216198697 U CN216198697 U CN 216198697U
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- wind turbine
- turbine generator
- connecting piece
- generator set
- flow guide
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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 discloses a wind turbine generator set air guide sleeve front supporting device, an air guide sleeve and a wind turbine generator set, wherein the wind turbine generator set air guide sleeve front supporting device comprises: a kuppe and wheel hub for connecting wind turbine generator system includes: the supporting body, the first connecting piece and the second connecting piece; the supporting body is of a conical structure, one end of the supporting body is connected with the first connecting piece, and the other end of the supporting body is connected with the second connecting piece; the support body, the first connecting piece and the second connecting piece are made of fiber reinforced plastics which are integrally formed. By adopting the integrally formed composite material, the front supporting device of the wind turbine generator set flow guide cover reduces the whole weight, the strength of limit connection and fatigue connection of the front supporting device is improved, the problem of connection failure of a wind turbine generator set hub and the flow guide cover is avoided, the wind turbine generator set flow guide cover has the advantages of high strength, good fatigue performance, light weight and the like, and the requirement of a large wind turbine generator set on the whole strength performance of the flow guide cover is met.
Description
Technical Field
The utility model relates to the field of wind power equipment manufacturing, in particular to a wind turbine generator set flow guide cover front supporting device, a flow guide cover and a wind turbine generator set.
Background
The wind guide cover of the wind turbine generator is formed by welding an upper connecting flange and a lower connecting flange through a metal steel pipe or a steel plate. For example, prior reference 1: the patent relates to a wind generating set and a front supporting device (CN201410844062.0) of a guide cover thereof, wherein the traditional metal supporting steel plates are combined and connected through bolts and welding, the welding forming can influence the overall fatigue performance of the product, the connecting process of the scheme is complex, meanwhile, the risk of installation dislocation can exist, the process requirement degree is higher, and the overall weight is heavier. Reference 2: a wind generating set kuppe fore-stock (CN202010167145.6), this patent is formed by upper and lower two flange and cone-shaped cylinder through the welding, and the cone-shaped cylinder is made up of integral steel, because the integral size of the product is larger and then the cost is higher; the overall fatigue performance of the product can be affected by welding forming, and the overall weight is heavier due to the fact that the material used in the scheme is metal. Reference 3: the patent is formed by welding an upper connecting flange, a lower connecting flange and a conical plate, and the conical plate is formed by 3 parts of tailor welding, although the influence of the welding forming on the overall fatigue performance of the product is considered in the scheme, the material of the product is still metal, so the weight is heavier, and the current optimization scheme for cost reduction and efficiency improvement is not met.
The existing front support for the air guide sleeve is generally of an integral or split structure formed by welding metal parts, and generally has the problems of welding deformation, installation dislocation and the like. The static strength of the existing design under normal conditions can meet the requirements, but the fatigue strength of the existing design can not meet the design requirements in consideration of the service life of 20 years. Current front supports are all metal structures and are of a common strength and rigidity, but are heavy, resulting in an increase in the overall weight of the pod.
SUMMERY OF THE UTILITY MODEL
The front supporting device of the wind turbine generator air guide sleeve reduces the overall weight, improves the strength of limit connection and fatigue connection of the front supporting device, avoids the problem of connection failure of a hub and the air guide sleeve of the wind turbine generator, has the advantages of high strength, good fatigue performance, light weight and the like, and meets the requirement of a large wind turbine generator on the overall strength performance of the air guide sleeve.
To solve the above technical problem, a first aspect of an embodiment of the present invention provides a front supporting device of a wind turbine nacelle for connecting the nacelle and a hub of a wind turbine, including: the supporting body, the first connecting piece and the second connecting piece;
the supporting body is of a conical structure, one end of the supporting body is connected with the first connecting piece, and the other end of the supporting body is connected with the second connecting piece;
the support body, the first connecting piece and the second connecting piece are made of an integrally formed composite material.
Furthermore, a plurality of first mounting holes used for being connected with the wind turbine generator set flow guide cover are formed in the first connecting piece; and/or
And the second connecting piece is provided with a plurality of second mounting holes for connecting with the wind turbine generator set air guide sleeve.
Further, the air guide sleeve is in bolted connection with the first mounting holes of the first connecting piece;
the hub is connected with the second mounting holes of the second connecting piece through bolts.
Further, the support body is provided with a plurality of through holes.
Further, the through holes are uniformly distributed along the circumferential direction of the axis of the conical structure.
Furthermore, the supporting body is provided with a plurality of groups of through holes along the axial direction of the conical structure;
each group of through holes are uniformly distributed along the circumferential direction of the axis of the conical structure.
Further, the shape of the through hole is circular, oval, rectangular and/or triangular.
Correspondingly, a second aspect of the embodiment of the utility model provides a wind turbine generator fairing, which comprises any one of the foregoing fairing front supporting devices, and the wind turbine generator fairing is fixedly connected with a hub of the wind turbine generator through the fairing front supporting device.
Correspondingly, a third aspect of the embodiments of the present invention provides a wind turbine, including the wind turbine pod.
The technical scheme of the embodiment of the utility model has the following beneficial technical effects:
by adopting the integrally formed composite material, the front supporting device of the wind turbine generator set flow guide cover reduces the whole weight, the strength of limit connection and fatigue connection of the front supporting device is improved, the problem of connection failure of a wind turbine generator set hub and the flow guide cover is avoided, the wind turbine generator set flow guide cover has the advantages of high strength, good fatigue performance, light weight and the like, and the requirement of a large wind turbine generator set on the whole strength performance of the flow guide cover is met.
Drawings
FIG. 1 is a schematic view of an installation of a front support device of a wind turbine nacelle according to an embodiment of the present invention;
FIG. 2 is a top view of a front support device of a wind turbine nacelle provided in an embodiment of the utility model;
fig. 3 is a sectional view of a front support device of a wind turbine nacelle according to an embodiment of the utility model.
Reference numerals:
1. front supporting device, 11, support body, 111, through-hole, 12, first connecting piece, 13, second connecting piece, 2, kuppe, 3, wheel hub.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, 2 and 3, a first aspect of the embodiment of the present invention provides a wind turbine nacelle front supporting device 1 for connecting a nacelle 2 and a hub 3 of a wind turbine, including: a support body 11, a first connector 12 and a second connector 13; the supporting body 11 is a conical structure, one end of the supporting body is connected with the first connecting piece 12, and the other end of the supporting body is connected with the second connecting piece 13; the support body 11, the first connecting member 12 and the second connecting member 13 are made of an integrally molded composite material.
Compared with the prior art that metal materials are welded and formed, generally have the characteristic of poor fatigue resistance and cannot meet the requirement on the service life of 20 years, the utility model has an integrated integral design, reduces the loss of the connection strength between parts and improves the integral connection strength; the existing technology is that metal materials are made into heavy weight, and the requirement of light weight in the industry at present cannot be met, the utility model is designed for composite materials, the density of the metal materials is about 4 times of that of the composite materials, the design weight difference of unit volume is 4kg, the utility model reduces the weight of the whole product, and the requirement of light weight in the industry is fully met.
According to the technical scheme, the integrally formed composite material is adopted, the whole weight of the front supporting device 1 of the wind turbine generator set air guide sleeve 2 is reduced, the strength of limit connection and fatigue connection of the front supporting device 1 is improved, the influence of secondary bonding or welding of the wind turbine generator set hub 3 and the air guide sleeve 2 and the front supporting device 1 on the fatigue strength of the front supporting device 1 is avoided, the wind turbine generator set air guide sleeve has the advantages of high strength, good fatigue performance, light weight and the like, and the requirement of the large wind turbine generator set on the whole strength performance of the air guide sleeve 2 is met.
Furthermore, a plurality of first mounting holes used for being connected with the wind turbine generator set flow guide cover 2 are formed in the first connecting piece; and/or a plurality of second mounting holes used for being connected with the wind turbine generator hub 3 are formed in the second connecting piece.
Further, the air guide sleeve 2 is in bolt connection with a plurality of first mounting holes of the first connecting piece 12; the hub 3 is bolted to the second mounting holes of the second connecting member 13.
Further, the support body 11 is provided with several through holes 111. Through the through holes 111 on the side wall of the support body 11, the operation and maintenance personnel can conveniently enter and exit the hub 3 through the through holes 111; in addition, by providing several through holes 111, the weight of the overall structure is further reduced.
Further, the plurality of through holes 111 are uniformly distributed along the circumferential direction of the axis of the conical structure.
Further, the supporting body 11 is provided with a plurality of groups of through holes 111 along the axial direction of the conical structure; each set of through holes 111 is evenly distributed along the circumference of the axis of the conical structure.
Further, the shape of the through-hole 111 is circular, elliptical, rectangular and/or triangular.
In addition, the specific forming process of the wind turbine generator fairing front supporting device 1 comprises the following steps:
1) firstly, fiber cloth is laid in a mould according to the design requirement of a laying layer, and the upper flanging position and the lower flanging position and the fiber cloth on the conical inclined plane are required to be a whole piece of cloth when the laying layer is laid, so that the connection strength is met.
2) And integrally forming the paved front support by using a vacuum infusion forming process.
3) And after the solidification is finished, cutting according to the technical requirement.
Correspondingly, the second aspect of the embodiment of the utility model provides a wind turbine generator fairing 2, which comprises any one of the foregoing fairing front supporting devices 1, and the wind turbine generator fairing 2 is fixedly connected with a hub 3 of a wind turbine generator through the front supporting device 1.
Correspondingly, a third aspect of the embodiment of the utility model provides a wind turbine generator, which comprises the wind turbine generator dome 2.
The embodiment of the utility model aims to protect a wind turbine generator set air guide sleeve front supporting device, an air guide sleeve and a wind turbine generator set, wherein the wind turbine generator set air guide sleeve front supporting device comprises: a kuppe and wheel hub for connecting wind turbine generator system includes: the supporting body, the first connecting piece and the second connecting piece; the supporting body is of a conical structure, one end of the supporting body is connected with the first connecting piece, and the other end of the supporting body is connected with the second connecting piece; the support body, the first connecting piece and the second connecting piece are made of fiber reinforced plastics which are integrally formed. The technical scheme has the following effects:
by adopting the integrally formed composite material, the front supporting device of the wind turbine generator set flow guide cover reduces the whole weight, the strength of limit connection and fatigue connection of the front supporting device is improved, the problem of connection failure of a wind turbine generator set hub and the flow guide cover is avoided, the wind turbine generator set flow guide cover has the advantages of high strength, good fatigue performance, light weight and the like, and the requirement of a large wind turbine generator set on the whole strength performance of the flow guide cover is met.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A wind turbine generator nacelle front support device, for connecting a wind turbine nacelle (2) and a hub (3), comprising: a support body (11), a first connecting piece (12) and a second connecting piece (13);
the supporting body (11) is of a conical structure, one end of the supporting body is connected with the first connecting piece (12), and the other end of the supporting body is connected with the second connecting piece (13);
the supporting body (11), the first connecting piece (12) and the second connecting piece (13) are made of fiber reinforced plastics which are integrally formed.
2. The wind turbine nacelle front support apparatus of claim 1,
the first connecting piece (12) is provided with a plurality of first mounting holes for connecting with the air guide sleeve (2); and/or
The second connecting piece (13) is provided with a plurality of second mounting holes for being connected with the wheel hub (3).
3. The wind turbine nacelle front support apparatus of claim 2,
the air guide sleeve (2) is in bolted connection with the first mounting holes of the first connecting piece (12);
the hub (3) is in bolted connection with the second mounting holes of the second connecting pieces (13).
4. The wind turbine nacelle front support apparatus of claim 1,
the support body (11) is provided with a plurality of through holes (111).
5. The wind turbine nacelle front support apparatus of claim 4,
the through holes (111) are uniformly distributed along the circumferential direction of the axis of the conical structure.
6. The wind turbine nacelle front support apparatus of claim 4,
the supporting body (11) is provided with a plurality of groups of through holes (111) along the axial direction of the conical structure;
each group of through holes (111) are uniformly distributed along the circumferential direction of the axis of the conical structure.
7. The wind turbine nacelle front support apparatus of claim 4,
the shape of the through hole (111) is circular, oval, rectangular and/or triangular.
8. Wind turbine nacelle characterized in that it comprises a front support (1) according to any of claims 1 to 7, the wind turbine nacelle (2) being fixedly connected to the hub (3) of the wind turbine by means of the front support (1).
9. Wind turbine, characterized in that it comprises a nacelle (2) according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122163218.7U CN216198697U (en) | 2021-09-08 | 2021-09-08 | Front supporting device of wind turbine generator set flow guide cover, flow guide cover and wind turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122163218.7U CN216198697U (en) | 2021-09-08 | 2021-09-08 | Front supporting device of wind turbine generator set flow guide cover, flow guide cover and wind turbine generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216198697U true CN216198697U (en) | 2022-04-05 |
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ID=80918498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122163218.7U Active CN216198697U (en) | 2021-09-08 | 2021-09-08 | Front supporting device of wind turbine generator set flow guide cover, flow guide cover and wind turbine generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216198697U (en) |
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2021
- 2021-09-08 CN CN202122163218.7U patent/CN216198697U/en active Active
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