CN211008950U - Wind wheel hub assembly for off-grid wind driven generator - Google Patents
Wind wheel hub assembly for off-grid wind driven generator Download PDFInfo
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- CN211008950U CN211008950U CN201922106661.3U CN201922106661U CN211008950U CN 211008950 U CN211008950 U CN 211008950U CN 201922106661 U CN201922106661 U CN 201922106661U CN 211008950 U CN211008950 U CN 211008950U
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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 fan wheel hub subassembly for off-grid wind-driven generator, including casing, wind wheel hub casing and fan wheel blade, the installation end of fan wheel blade is connected with wind wheel hub casing, and the inside of wind wheel hub casing is provided with the fixed block, and the one end fixed connection fan wheel hub casing inner wall of fixed block, other end connection fan wheel spindle's initiative end, and the side of fan wheel hub casing is seted up the installation and is maintained the mouth, set up the cap on maintaining the mouth, one end of fan wheel hub casing is connected with the casing, in the fan wheel hub subassembly for wind-driven generator of the utility model, the fan wheel hub casing is connected with the casing, and the fan wheel blade directly is connected with wind wheel hub casing, avoids the impeller directly to be connected with the wind wheel hub axle, improves the joint strength, and sets up the installation maintenance mouth on the fan wheel hub casing, improves the convenience of installation and maintenance, can carry out fine installation to, the overall fixing effect is improved, certain protection can be performed after the wind wheel blades are loosened, and the overall potential safety hazard is reduced.
Description
Technical Field
The utility model belongs to the technical field of aerogenerator, concretely relates to wind wheel hub subassembly for off-grid aerogenerator.
Background
The wind driven generator is generally composed of components such as a wind wheel, a generator, a direction regulator (empennage), a tower frame, a speed-limiting safety mechanism, an energy storage device and the like, the working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the wind wheel converts the kinetic energy of the wind into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. When current aerogenerator's installation, wind wheel hub subassembly is essential component, and wind wheel hub subassembly just be with the connecting piece between wind wheel axle and the wind wheel blade, the thread groove has been seted up on the surface of current wind wheel axle, then fix through nut and wind wheel hub subassembly, because wind wheel hub subassembly is very big with wind wheel blade's weight, it is not very good to carry out the effect of installing through the mode of screw like this, be not convenient for dismantle the maintenance, and dust and moisture get into from the gap between wind wheel axle and the wind wheel hub subassembly easily, wind wheel blade and wind wheel hub subassembly also carry out fixed connection through the screw generally, when the screw appears becoming flexible, whole potential safety hazard is big, so current wind wheel hub subassembly fixed effect is not very good, and the overall leakproofness is not good.
Traditional wind wheel hub subassembly for aerogenerator, can not carry out fine installation to wind wheel hub subassembly and wind turbine axle, and can not carry out fine installation to wind wheel hub subassembly and wind wheel blade, great reduction holistic fixed effect, the not convenient to use person dismantles the maintenance to the wind wheel hub subassembly, and can not carry out certain protection after the wind wheel blade is not hard up, holistic potential safety hazard has been increased, the inside of wind wheel hub subassembly is entered into easily to dust or moisture, the not convenient to use person operates.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides an off-grid wind-driven generator is with wind wheel hub subassembly has solved the not good and not strong problem of whole leakproofness of wind wheel hub subassembly installation effect for the wind-driven generator.
In order to realize the above-mentioned purpose, the utility model discloses a technical scheme be, an off-grid wind-driven generator is with fan wheel hub subassembly, including casing, wind wheel hub casing and wind wheel blade, the installation end and the wind wheel hub casing of wind wheel blade are connected, and the inside of wind wheel hub casing is provided with the fixed block, the one end fixed connection wind wheel hub shells inner wall of fixed block, the initiative end of wind wheel spindle is connected to the other end, and the side of wind wheel hub casing is seted up the installation and is maintained the mouth, maintain and set up the cap on the mouth, the casing is connected to the one end of wind wheel hub casing.
The end of the shell connected with the wind wheel hub shell is provided with a disc, and the end of the wind wheel hub shell connected with the shell is rotationally or slidably connected with the disc.
One end of the wind wheel hub shell, which is connected with the shell, is provided with a circular groove plate, the circular groove plate is connected with the shell, the center of the circular groove plate is provided with an opening, and the diameter of the opening is larger than that of a wind wheel shaft.
A roller is arranged between the circumferential inner side surface of the circular groove plate and the circumferential outer side surface of the disc; and a sealing gasket is arranged between the circular groove plate and the end surface of the disc.
The driving end of the wind turbine shaft is provided with a first flange plate, one end of the fixed block, which is connected with the wind turbine shaft, is provided with a second flange plate, and the first flange plate is connected with the second flange plate through a bolt.
Three wind wheel mounting plates are arranged in the wind wheel hub shell along the circumferential direction, the wind wheel mounting plates are fixedly connected with the wind wheel hub shell, holes through which impellers penetrate are formed in the radial side face of the wind wheel hub shell, and the impellers extend into the wind wheel hub shell, penetrate through the wind wheel mounting plates and are connected with the wind wheel mounting plates.
A sealing ring is arranged at the gap between the impeller and the wind wheel hub shell, and a sealing gasket is arranged at the installation and maintenance opening of the shell cover and the wind wheel hub shell.
Offer arc through-hole groove on the wind wheel mounting panel, arc through-hole groove evenly offers along a certain circumferencial direction, and the one end in arc through-hole groove is provided with the mounting hole that is greater than its groove width, the mounting hole centre of a circle is the same with the center place circumference size of the spliced pole of wind wheel installation end, and the end diameter of spliced pole is greater than the width in arc through-hole groove, and the diameter of mounting hole is greater than the diameter of spliced pole end.
The inboard of wind wheel mounting panel is provided with the mounting disc, has seted up the bolt hole on the mounting disc, and the spliced pole position one-to-one of bolt hole position and impeller installation end.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model discloses among the wind wheel hub subassembly for aerogenerator, the wind wheel hub casing is connected with the casing, wind wheel blade is direct to be connected with wind wheel hub casing, avoid the impeller direct to be connected with the wind turbine axle, the joint strength is improved, and set up the installation maintenance mouth on the wind wheel hub casing, improve the convenience of installation and maintenance, can carry out fine installation to wind wheel hub subassembly and wind wheel blade, great improvement holistic fixed effect, the person of facilitating the use dismantles the wind wheel hub subassembly and maintains, and wind wheel blade also can carry out certain protection after becoming flexible, whole potential safety hazard has been reduced.
Furthermore, a disc is arranged at one end, connected with the wind hub shell, of the shell, one end, connected with the shell, of the wind hub shell is connected with the disc, a circular groove plate is arranged at one end, connected with the shell, of the wind hub shell, a central hole is formed in the circular groove plate, the diameter of the hole is larger than that of a wind turbine shaft, the wind turbine shaft can penetrate through the circular groove plate, and coaxiality, integrity and stability of connection of the wind hub shell and the shell are improved.
Further, a roller is arranged between the circumferential inner side surface of the circular groove plate and the circumferential outer side surface of the disc; a sealing washer is arranged between the circular groove plate and the end face of the disc, so that the coaxiality of the connection between the wind wheel hub shell and the machine shell is improved, meanwhile, the friction force between the wind wheel hub shell and the machine shell is reduced, and the relative rotation is not influenced.
Furthermore, the driving end of the wind turbine shaft is provided with a first flange plate, one end of the fixed block, which is connected with the wind turbine shaft, is provided with a second flange plate, and the first flange plate and the second flange plate are connected through bolts, so that the wind turbine shaft is convenient to disassemble, assemble and maintain.
Furthermore, three wind wheel mounting plates are arranged in the wind wheel hub shell along the circumferential direction, the wind wheel mounting plates are fixedly connected with the wind wheel hub shell, holes through which impellers penetrate are formed in the radial side face of the wind wheel hub shell, the impellers extend into the wind wheel hub shell and penetrate through the wind wheel mounting plates to be connected with the wind wheel mounting plates, the wind wheel mounting plates are arranged to improve the strength and rigidity of connection between the wind wheel and the wind wheel hub shell, and the joints are arranged in the wind wheel hub shell to avoid corrosion of the joints.
Further, a sealing ring is arranged at a gap between the impeller and the wind wheel hub shell, and a sealing gasket is arranged at a mounting maintenance port between the shell cover and the wind wheel hub shell; the gap between the wind wheel hub assembly and the wind wheel shaft is sealed, and the gap between the wind wheel hub assembly and the wind wheel blades is sealed, so that sundries are prevented from entering the wind wheel hub assembly.
Further, set up arc through-hole groove on the wind wheel mounting panel, arc through-hole groove evenly sets up along a certain circumferencial direction, and the one end in arc through-hole groove is provided with the mounting hole that is greater than its groove width, the mounting hole centre of a circle is the same with the center place circumference size of the spliced pole of wind wheel installation end, and the diameter of mounting hole is greater than the diameter of spliced pole, spliced pole pass rotate behind the through-hole groove, get into the slot part that the width is little relatively, prevent that the bolt from directly dropping when becoming flexible, improve its security.
Further, the inboard of wind wheel mounting panel is provided with the mounting disc, has seted up the bolt hole on the mounting disc, and the spliced pole position one-to-one of the position of bolt hole and impeller installation end, the mounting disc can reduce the stress concentration between the spliced pole of wind wheel installation end and the wind wheel mounting panel.
Drawings
Fig. 1 is a schematic view of the structure of the wind hub shell and the wind turbine shaft of the present invention.
Fig. 2 is the structure schematic diagram of the utility model when the wind wheel hub shell is separated from the wind turbine shaft.
Fig. 3 is the cross-sectional view of the wind wheel hub shell and the circular groove plate structure of the present invention.
Fig. 4 is a side view of the wind turbine blade and wind turbine hub shell structure of the present invention.
Fig. 5 is an enlarged view of a portion a of fig. 2 according to the present invention.
Fig. 6 is an enlarged view of a portion a of fig. 3 according to the present invention.
Fig. 7 is a top view of the mounting plate structure of the present invention.
In the figure: 1. a housing; 2. a wind hub shell; 3. a wind turbine blade; 4. a circular groove plate; 5. a wind turbine shaft; 6. a first flange plate; 7. a fixed block; 8. a second flange plate; 9. mounting a plate; 10. an arc-shaped slot; 11. connecting columns; 12. mounting a disc; 13. a seal ring; 14. a disc; 15. a roller; 16. a shell cover; 17. a tower; 13. a gasket is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3 and 6, a wind wheel hub assembly for an off-grid wind driven generator includes a casing 1, a wind wheel hub shell 2 and a wind wheel blade 3, wherein a mounting end of the wind wheel blade 3 is connected with the wind wheel hub shell 2, a fixing block 7 is arranged inside the wind wheel hub shell 2, one end of the fixing block 7 is fixedly connected with an inner wall of the wind wheel hub shell 2, the other end of the fixing block is connected with an active end of a wind wheel shaft 5, a mounting maintenance port is formed in a side surface of the wind wheel hub shell 2, a casing cover 16 is arranged on the maintenance port, and one end of the wind wheel hub shell 2 is connected with the casing 1; the disc 14 is arranged at one end of the casing 1 connected with the wind hub shell 2, and one end of the wind hub shell 2 connected with the casing 1 is rotatably or slidably connected with the disc 14.
As shown in fig. 3, one end of the wind hub shell 2 connected with the casing 1 is provided with a circular groove plate 4, the circular groove plate 4 is connected with the casing 1, the center of the circular groove plate 4 is provided with an opening, and the diameter of the opening is larger than that of the wind turbine shaft 5; a roller 15 is arranged between the circumferential inner side surface of the circular groove plate 4 and the circumferential outer side surface of the disc 14; a sealing gasket 13 is arranged between the circular groove plate 4 and the end surface of the disc 14; a sealing ring 18 is arranged at the gap between the wind wheel blade 3 and the wind wheel hub shell 2, and a sealing gasket is arranged at the installation and maintenance port of the shell cover 16 and the wind wheel hub shell 2.
As an optional embodiment of the utility model, the center of circular frid 4 is trompil, is provided with the clearance between hole in the circular frid 4 and the wind turbine axle 5, sets up the bearing between 4 circumference medial surfaces of circular frid and the circumference lateral surface of disc 14, disc 14 and casing 1 fixed connection further improve the rigidity that wind wheel hub casing 2 and casing are connected.
In a further alternative embodiment, the disc 14 is centrally open, the wind turbine shaft 5 passes through the disc 14, a bearing is arranged between the wind turbine shaft 5 and the disc 14, and a bearing is arranged between the circumferential inner side of the circular slot plate 4 and the circumferential outer side of the disc 14.
Referring to fig. 2, 3 and 5, a first flange 6 is arranged at the driving end of the wind turbine shaft 5, a second flange 8 is arranged at the end, connected with the wind turbine shaft 5, of the fixing block 7, and the first flange 6 and the second flange 8 are connected through bolts.
Referring to fig. 3 and 6, three wind wheel mounting plates 9 are arranged inside the wind wheel hub shell 2 along the circumferential direction, the wind wheel mounting plates 9 are fixedly connected with the wind wheel hub shell 2, holes through which the wind wheel blades 3 pass are formed in the radial side surface of the wind wheel hub shell 2, and the wind wheel blades 3 extend into the wind wheel hub shell 2 and pass through the wind wheel mounting plates 9 to be connected with the wind wheel mounting plates 9; an arc-shaped through hole groove 10 is formed in the wind wheel mounting plate 9, the arc-shaped through hole grooves 10 are uniformly formed in a certain circumferential direction, a mounting hole with a width larger than that of the groove is formed in one end of each arc-shaped through hole groove 10, the circle center of each mounting hole is the same as the circumference of the center of the connecting column of the mounting end of the wind wheel blade 3, the diameter of the end of each connecting column is larger than the width of the arc-shaped through hole groove, and the diameter of each mounting hole is larger than that of the end of each connecting column; the inboard of wind wheel mounting panel 9 is provided with mounting disc 12, has seted up the bolt hole on the mounting disc 12, and the position of bolt hole and the spliced pole position one-to-one of impeller installation end.
Referring to fig. 1-7, the present invention provides a technical solution: a wind wheel hub assembly for an off-grid wind driven generator comprises a machine shell 1, a wind wheel hub shell 2 and wind wheel blades 3, wherein the number of the wind wheel blades 3 is three, the shape and the size of the wind wheel blades are the same, the installation ends of the wind wheel blades 3 penetrate through the wind wheel hub shell 2 and extend into the wind wheel hub shell 2, a disc 14 is fixedly connected to the left side of the machine shell 1 and is positioned on the end face of the driving end of a wind wheel shaft 5, the wind wheel shaft 5 is rotatably connected with the disc 14, a roller 15 is fixedly connected to the surface of the disc 14, the wind wheel hub shell 2 is driven to rotate after the wind wheel shaft 5 rotates, and then a circular groove plate 4 is driven to rotate, so that the roller 15 and the circular groove plate 4 can rotate relatively, the arrangement of the roller 15 and the circular groove plate 4 can increase the overall stability, and the surface of the roller 15 is slidably connected; as shown in fig. 6 and 7, the number of the connecting columns 11 and the arc-shaped grooves 10 is three, and the connecting columns are respectively arranged at the bottom of the wind wheel blades 3 and the inside of the wind wheel mounting plate 9 at equal intervals, the surface of the wind wheel hub shell 2 is fixedly connected with a shell cover 16 through pins, the shell cover is provided with a mounting maintenance opening, a user can open the shell cover 16 to enter the inside of the wind wheel hub shell 2, and then the shell cover is dismounted and maintained through screws, the bottom of the casing 1 is fixedly connected with a tower 17 through soldering tin, the inside of one end of the wind wheel hub shell 2 connected with the casing 1 is fixedly connected with a circular groove plate 4 through soldering tin, the left side of the casing 1 is rotatably connected with a wind wheel shaft 5, the left end of the wind wheel shaft 5 sequentially penetrates through the circular groove plate 4 and the wind wheel hub shell 2 and extends to the inner cavity of the wind wheel hub shell, a second flange plate 8 is fixedly connected to the left side of the inner cavity of the wind wheel hub shell 2 through a fixing block 7, a sealing washer 13 is arranged between the surface of the wind wheel hub shell 5 and the left side of the inner cavity of the circular groove plate 4, a gap between the wind wheel hub shell 2 and the wind wheel blades 3 and a gap between the wind wheel hub shell 2 and the wind wheel shaft 5 can be sealed through the sealing washer 18 and the sealing washer 13, the right side of the sealing washer 13 is contacted with the left side of the disc 14, the inside of the first flange plate 6 is fixedly connected with the inside of the second flange plate 8 through screws, a wind wheel mounting plate 9 is fixedly connected between the two sides of the inner cavity of the wind wheel hub shell 2, an arc-shaped groove 10 is formed in the inside of the wind wheel mounting plate 9, a connecting column 11 is fixedly connected to the bottom of the inner cavity of the wind wheel hub shell 2 of the wind wheel blades 3, a, insert the inside arc wall 10 of wind wheel mounting panel 9 with spliced pole 11 and the mounting disc 12 of wind wheel blade 3 bottom, when the mounting disc 12 reachs the bottom of arc wall 10, clockwise rotation wind wheel blade 3, when the mounting disc 12 reachs preset position, fix the position of mounting disc 12 through connecting bolt, and when the connecting bolt of mounting disc 12 bottom appears not hard up, spliced pole 11 and mounting disc 12 also can not directly be taken out from the inside of wind wheel mounting panel 9, and the inboard fixed connection of connecting bolt and wind wheel mounting panel 9 is passed through on the surface that the mounting disc 12 is located the arc wall 10 bottom, be provided with sealing washer 18 between the surface of the inside of wind wheel hub casing 2 and wind wheel blade 3.
When the wind wheel hub shell 2 is used, a user can firstly insert the wind wheel blades 3 into the wind wheel hub shell 2, then the connecting columns 11 and the mounting discs 12 at the bottoms of the wind wheel blades 3 are inserted into the arc-shaped grooves 10 in the wind wheel mounting plate 9, when the mounting discs 12 reach the bottoms of the arc-shaped grooves 10, the wind wheel blades 3 are rotated clockwise, when the mounting discs 12 reach proper positions, the user can fix the positions of the mounting discs 12 through screws, after the three mounting discs 12 are mounted, the positions of the wind wheel blades 3 can be limited, after the wind wheel blades 3 are mounted, the user can enable the wind wheel shaft 5 on one side of the shell 1 to penetrate through the circular groove plates 4 and the wind wheel hub shell 2, then the wind wheel shaft 5 and the wind wheel hub shell 2 are fixed through the first flange 6 and the second flange 8, and the sealing rings 18 and the sealing rings 13 can be used for fixing gaps between the wind wheel hub shell 2 and the wind wheel blades 3 and gaps between the wind wheel hub shell The sealing is good, dust or moisture is prevented from entering the temporal part of the wind wheel hub shell 2, when the wind wheel hub shell 2 needs to be maintained, a user can open the shell cover 16 to enter the interior of the wind wheel hub shell 2, and then the shell cover is detached and maintained through screws.
Wind wheel hub casing 2 is run through and wind wheel hub casing 2 is extended to wind wheel hub casing 2's inside to the bottom of wind wheel hub blade 3, wind wheel hub casing 2 right side inside is through soldering tin fixedly connected with circular frid 10, the left side of casing 1 is rotated and is connected with wind turbine axle 5, pin fixedly connected with cap is passed through on wind wheel hub casing's surface, the left side of casing and the fixed surface that is located wind turbine axle are connected with the disc, wind turbine axle's surface is connected with the inside rotation of disc, the fixed surface of disc is connected with the gyro wheel, and the surface of gyro wheel and the inner wall sliding connection of circular frid, convenient to use person operates.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a wind wheel hub subassembly for off-grid aerogenerator, a serial communication port, including casing (1), wind wheel hub casing (2) and wind wheel blade (3), the installation end and wind wheel hub casing (2) of wind wheel blade (3) are connected, and the inside of wind wheel hub casing (2) is provided with fixed block (7), and the one end fixed connection wind wheel hub casing (2) inner wall of fixed block (7), the initiative end of wind wheel spindle (5) are connected to the other end, and the side of wind wheel hub casing (2) is seted up the installation and is maintained the mouth, maintain and set up cap (16) on the mouth, casing (1) is connected to the one end of wind wheel hub casing (2).
2. A wind hub assembly for an off-grid wind turbine according to claim 1, wherein the end of the casing (1) connected to the wind hub shell (2) is provided with a disc (14), and the end of the wind hub shell (2) connected to the casing (1) is rotatably or slidably connected to the disc (14).
3. The wind hub assembly for an off-grid wind turbine according to claim 1, wherein the end of the wind hub shell (2) connected to the casing (1) is provided with a circular groove plate (4), the circular groove plate (4) is connected to the casing (1), the center of the circular groove plate (4) is provided with an opening, and the diameter of the opening is larger than that of the wind turbine shaft (5).
4. A wind hub assembly for an off-grid wind power generator according to claim 3, wherein a roller (15) is provided between a circumferential inner side surface of the circular groove plate (4) and a circumferential outer side surface of the disc (14); a sealing gasket (13) is arranged between the circular groove plate (4) and the end surface of the disc (14).
5. The off-grid wind turbine hub assembly according to claim 1, wherein the driving end of the wind turbine shaft (5) is provided with a first flange (6), the end of the fixing block (7) connected with the wind turbine shaft (5) is provided with a second flange (8), and the first flange (6) and the second flange (8) are connected through bolts.
6. The wind hub assembly for the off-grid wind driven generator according to claim 1, wherein three wind wheel mounting plates (9) are arranged inside the wind hub shell (2) along the circumferential direction, the wind wheel mounting plates (9) are fixedly connected with the wind hub shell (2), holes through which the wind wheel blades (3) pass are formed in the radial side surfaces of the wind hub shell (2), and the wind wheel blades (3) extend into the wind hub shell (2) and pass through the wind wheel mounting plates (9) to be connected with the wind wheel mounting plates (9).
7. The wind hub assembly of claim 6, wherein a sealing ring (18) is arranged at the gap between the wind wheel blade (3) and the wind hub shell (2), and a sealing gasket is arranged at the installation and maintenance port of the shell cover (16) and the wind hub shell (2).
8. The wind hub assembly for the off-grid wind driven generator according to claim 6, wherein the wind wheel mounting plate (9) is provided with arc-shaped through hole grooves (10), the arc-shaped through hole grooves (10) are uniformly formed along a certain circumferential direction, one end of each arc-shaped through hole groove (10) is provided with a mounting hole with a width larger than that of the groove, the circle center of each mounting hole is the same as the circumference of the center of the connecting column of the mounting end of the wind wheel blade (3), the diameter of the end of the connecting column is larger than the width of the arc-shaped through hole groove, and the diameter of each mounting hole is larger than that of the end of the connecting column.
9. The wind hub assembly for the off-grid wind driven generator according to claim 6, wherein the inner side of the wind wheel mounting plate (9) is provided with a mounting plate (12), the mounting plate (12) is provided with bolt holes, and the positions of the bolt holes correspond to the positions of the connecting columns at the impeller mounting end in a one-to-one manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106661.3U CN211008950U (en) | 2019-11-29 | 2019-11-29 | Wind wheel hub assembly for off-grid wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106661.3U CN211008950U (en) | 2019-11-29 | 2019-11-29 | Wind wheel hub assembly for off-grid wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008950U true CN211008950U (en) | 2020-07-14 |
Family
ID=71482029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922106661.3U Active CN211008950U (en) | 2019-11-29 | 2019-11-29 | Wind wheel hub assembly for off-grid wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211008950U (en) |
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2019
- 2019-11-29 CN CN201922106661.3U patent/CN211008950U/en active Active
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