CN216044154U - Bin mouth protective cover for hub and fan blade group - Google Patents
Bin mouth protective cover for hub and fan blade group Download PDFInfo
- Publication number
- CN216044154U CN216044154U CN202121733018.4U CN202121733018U CN216044154U CN 216044154 U CN216044154 U CN 216044154U CN 202121733018 U CN202121733018 U CN 202121733018U CN 216044154 U CN216044154 U CN 216044154U
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- CN
- China
- Prior art keywords
- pipe
- hub
- wall
- fan blade
- base plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the field of hub bin opening protection, in particular to a bin opening protection cover for a hub and fan blade assembly, which comprises a base plate, wherein reinforcing components are arranged in the middle of the outer wall of the base plate, connecting components are fixedly connected to the outer wall of the base plate, and the base plate is arranged on the outer side of the hub; the reinforcing assembly comprises a fixing pipe, a mounting pipe, a convex block and slots, the fixing pipe is fixedly connected to the outer wall of the substrate, a plurality of convex blocks are fixedly connected to two ends of the outer wall, close to the fixing pipe and the mounting pipe, of the fixing pipe and the mounting pipe, a plurality of slots are formed in the outer walls of the ends, far away from the convex block, of the fixing pipe and the mounting pipe, and the fixing pipe and the mounting pipe are mutually inserted through the convex blocks and the slots; the fixing area of the fan blade is enlarged by fixing the fixing pipe and the mounting pipe to assist the fan blade, and the force transmitted by the fan blade is uniformly distributed to the hub outer wall through the base plate, so that the local load is reduced.
Description
Technical Field
The utility model relates to the field of hub bin opening protection, in particular to a bin opening protection cover for a hub and fan blade assembly.
Background
The hub is an important supporting part in a fan structure, the hub is connected with three blades to form a wind wheel, the wind wheel catches wind energy, then the wind energy is transmitted to a rotating shaft of an engine generator through a main shaft, the hub is an important bearing part in the whole wind turbine generator set, the hub has enough rigidity and strength to ensure that the generator set can normally operate under various load working conditions, and also ensure the safety of the generator set when the generator set is influenced by severe conditions, and the hub of the wind turbine generator set at present mostly adopts a three-blade rigid hub.
Because the whole hub is of a thin-wall structure, a blade root flange, namely a joint of the hub and the fan blade, bears a large bending and twisting composite load, and in order to enhance the stability of connection of the hub and the fan blade, a bin opening protection cover of a hub and fan blade assembly is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bin opening protective cover for a hub and fan blade assembly, so as to solve the problems in the background technology.
In order to achieve the purpose, the bin opening protection cover for the hub and the fan blade assembly comprises a base plate, wherein reinforcing components are arranged in the middle of the outer wall of the base plate, connecting components are fixedly connected to the outer wall of the base plate, and the base plate is arranged on the outer side of the hub;
the reinforcing assembly comprises a fixing pipe, a mounting pipe, a lug and slots, wherein the fixing pipe is fixedly connected to the outer wall of the substrate, a plurality of lugs are fixedly connected to two ends of the outer wall, close to the lug, between the fixing pipe and the mounting pipe, the outer wall of one end, far away from the lug, of the fixing pipe and the mounting pipe is provided with a plurality of slots, and the fixing pipe and the mounting pipe are mutually spliced through the lugs and the slots; the fixing area of the fan blade is enlarged by fixing the fixing pipe and the mounting pipe to assist the fan blade, and the force transmitted by the fan blade is uniformly distributed to the hub outer wall through the base plate, so that the local load is reduced.
Preferably: the connecting assembly comprises a groove, positioning blocks and steel stranded ropes, the groove is formed in the middle of the outer wall of one side, away from the reinforcing assembly, of the base plate, the four positioning blocks are fixed at the surface corners of one end, close to the reinforcing assembly, of the groove, the steel stranded ropes are connected inside the positioning blocks, and the base plate is installed on the surface of the outer wall of the hub through the groove; the movement of the base plate is limited by the aid of the positioning blocks and the steel stranded ropes for assisting in fixing the base plate.
Preferably: the middle parts of the inner parts of the fixed pipe and the installation pipe are also fixedly connected with films, and the cross sections of the fixed pipe and the installation pipe are semicircular; the rubber sheet prevents external impurities or rainwater from rushing into the wheel hub, so that the device is more stable in operation.
Preferably: the outer walls of the fixing pipe and the mounting pipe are respectively provided with a threaded hole communicated with the outer wall of the lug, the threaded hole penetrates through the lug and extends into the slot, and the lug are respectively connected with the fixing pipe and the mounting pipe through a plurality of bolts; the connection of the fixing pipe and the installation pipe is more stable.
Preferably: the number of the base plates is three, and the shape of the inner wall of each base plate is matched with the size of the outer wall of the hub; three blade root flanges of adaptation wheel hub outer wall promote the stability of wheel hub and fan blade.
Preferably: the hub is connected with the fan blades through blade root flanges, and the size of the groove is matched with that of the blade root flange on the outer wall of the hub; the structure of the device is more stable.
Preferably: the groove is communicated with a pipe orifice formed between the fixed pipe and the mounting pipe, and the size of the pipe orifice is matched with that of the root of the fan blade; the insertion of the blade is facilitated.
Preferably: the inner wall of the pipe orifice is a smooth surface, and the fixed pipe and the installation pipe are made of metal which is not easy to rust; the device is convenient to operate for a long time.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the fixing of the fan blades is assisted by the fixing pipes and the mounting pipes, the fixing area of the fan blades is enlarged, and the force transmitted by the fan blades is uniformly distributed to the outer wall of the hub through the base plate, so that the local load is reduced;
2. the rubber sheet prevents external impurities or rainwater from rushing into the wheel hub, so that the device is more stable in operation, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic elevation view of a hatch protection cover of a hub and fan blade assembly according to the present invention;
FIG. 2 is a schematic top view of a hatch protecting cover of a hub and fan blade assembly according to the present invention;
FIG. 3 is a schematic view of a reinforcing assembly for a hatch protection cover of a hub and fan blade assembly according to the present invention.
In the figure:
1. a substrate;
2. a reinforcement assembly; 21. a fixed tube; 22. installing a pipe; 23. a bump; 24. a slot;
3. a linking member; 31. a groove; 32. positioning blocks; 33. a steel strand;
201. a film;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a preferred embodiment of the present invention is shown, in which a hatch protecting cover for a hub and a fan blade assembly includes a base plate 1, a reinforcing component 2 is installed in the middle of the outer wall of the base plate 1, a connecting component 3 is also fixedly connected to the outer wall of the base plate 1, and the base plate 1 is installed outside the hub;
consolidate subassembly 2 including fixed pipe 21, installation pipe 22, lug 23 and slot 24, fixed pipe 21 fixed connection is on base plate 1's outer wall, a plurality of lugs 23 of the equal fixedly connected with in outer wall both ends that are close to between fixed pipe 21 and the installation pipe 22, a plurality of slots 24 have been seted up on the one end outer wall that lug 23 was kept away from to fixed pipe 21 and installation pipe 22, fixed pipe 21 and installation pipe 22 are pegged graft each other through lug 23 and slot 24.
As shown in fig. 1-3, the linking component 3 includes a groove 31, positioning blocks 32 and steel strands 33, the groove 31 is opened in the middle of the outer wall of the substrate 1 far from one side of the reinforcing component 2, four positioning blocks 32 are fixed at the surface corners of the groove 31 near one end of the reinforcing component 2, and the steel strands 33 are connected inside the positioning blocks 32.
The middle parts of the inner parts of the fixed pipe 21 and the installation pipe 22 are also fixedly connected with a rubber sheet 201, and the cross sections of the fixed pipe 21 and the installation pipe 22 are semicircular.
The outer walls of the fixing tube 21 and the mounting tube 22 are both provided with threaded holes communicated with the outer wall of the lug 23, and the threaded holes penetrate through the lug 23 and extend into the slot 24; the projection 23 and the projection 23 each connect the fixing tube 21 and the mounting tube 22 by a plurality of bolts.
The number of the base plates 1 is three, and the shape of the inner wall of each base plate 1 is matched with the size of the outer wall of the hub.
The hub is connected with the fan blades through blade root flanges, and the size of the groove 31 is matched with that of the blade root flanges on the outer wall of the hub.
The groove 31 is communicated with a pipe orifice formed between the fixed pipe 21 and the mounting pipe 22, and the size of the pipe orifice is matched with that of the root of the fan blade.
The inner wall of the pipe orifice is a smooth surface, and the fixed pipe 21 and the installation pipe 22 are made of metal which is not easy to rust.
In this embodiment, the base plate 1 of the base plate 1 is installed on the outer side of a blade root flange in a hub, a pipe orifice formed between the blade fixing pipe 21 and the installation pipe 22 extends into the blade root flange, the installation pipe 22 is installed on the outer side of the blade through a bump 23, a slot 24 and a bolt, the fixing of the blade is assisted through the fixing pipe 21 and the installation pipe 22, the fixing area of the blade is enlarged, the force transmitted by the blade is uniformly distributed to the outer wall of the hub through the base plate 1, the local load is reduced, and the base plate 1 is assisted and fixed through the positioning block 32 and the steel stranded rope 33 so as to limit the movement of the base plate 1.
While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.
Claims (8)
1. The bin opening protection cover for the hub and the fan blade assembly comprises a base plate (1), wherein reinforcing components (2) are mounted in the middle of the outer wall of the base plate (1), connecting components (3) are fixedly connected to the outer wall of the base plate (1), and the base plate (1) is mounted on the outer side of the hub;
the method is characterized in that: consolidate subassembly (2) including fixed pipe (21), installation pipe (22), lug (23) and slot (24), fixed pipe (21) fixed connection is on the outer wall of base plate (1), a plurality of lugs (23) of the equal fixedly connected with in outer wall both ends that are close to between fixed pipe (21) and installation pipe (22), a plurality of slots (24) have been seted up on the one end outer wall of lug (23) is kept away from with installation pipe (22) to fixed pipe (21), fixed pipe (21) and installation pipe (22) are pegged graft each other through lug (23) and slot (24).
2. The bin opening protection cover for the hub and fan blade assembly according to claim 1, wherein: be subassembly (3) including recess (31), locating piece (32) and steel stranded rope (33) even, the outer wall middle part of reinforcing subassembly (2) one side is kept away from in base plate (1) is seted up in recess (31), the surperficial edge department that is close to reinforcing subassembly (2) one end of recess (31) is fixed with four locating pieces (32), the internal connection of locating piece (32) has steel stranded rope (33).
3. The bin opening protection cover for the hub and fan blade assembly according to claim 1, wherein: the middle parts of the inner parts of the fixed pipe (21) and the installation pipe (22) are fixedly connected with a rubber sheet (201), and the cross sections of the fixed pipe (21) and the installation pipe (22) are semicircular.
4. The bin opening protection cover for the hub and fan blade assembly according to claim 1, wherein: the outer wall of fixed pipe (21) and installation pipe (22) all seted up the screw hole that link up with lug (23) outer wall, the screw hole passes lug (23) and extends into slot (24), lug (23) and lug (23) all link to each other fixed pipe (21) and installation pipe (22) through a plurality of bolts.
5. The bin opening protection cover for the hub and fan blade assembly according to claim 1, wherein: the number of the base plates (1) is three, and the shape of the inner wall of each base plate (1) is matched with the size of the outer wall of the hub.
6. The bin opening protection cover for the hub and fan blade assembly according to claim 2, wherein: the hub is connected with the fan blades through blade root flanges, and the size of the groove (31) is matched with that of the blade root flanges on the outer wall of the hub.
7. The bin opening protection cover for the hub and fan blade assembly according to claim 2, wherein: the groove (31) is communicated with a pipe orifice formed between the fixed pipe (21) and the mounting pipe (22), and the size of the pipe orifice is matched with that of the root of the fan blade.
8. The bin mouth protective cover for the hub and fan blade assembly according to claim 7, wherein: the inner wall of the pipe orifice is a smooth surface, and the fixed pipe (21) and the installation pipe (22) are made of metal which is not easy to rust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121733018.4U CN216044154U (en) | 2021-07-28 | 2021-07-28 | Bin mouth protective cover for hub and fan blade group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121733018.4U CN216044154U (en) | 2021-07-28 | 2021-07-28 | Bin mouth protective cover for hub and fan blade group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044154U true CN216044154U (en) | 2022-03-15 |
Family
ID=80618358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121733018.4U Expired - Fee Related CN216044154U (en) | 2021-07-28 | 2021-07-28 | Bin mouth protective cover for hub and fan blade group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044154U (en) |
-
2021
- 2021-07-28 CN CN202121733018.4U patent/CN216044154U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |