CN216278268U - Blade damping device of wind driven generator - Google Patents
Blade damping device of wind driven generator Download PDFInfo
- Publication number
- CN216278268U CN216278268U CN202122907626.9U CN202122907626U CN216278268U CN 216278268 U CN216278268 U CN 216278268U CN 202122907626 U CN202122907626 U CN 202122907626U CN 216278268 U CN216278268 U CN 216278268U
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- mounting
- mounting seat
- mounting ring
- blade
- rotating shaft
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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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model discloses a blade damping device of a wind driven generator, which comprises: the power generation device comprises a mounting plate, fan blades and a motor, wherein the mounting plate is fixedly connected to the output end of the motor, and the fan blades are connected to the side edge of the mounting plate in an equidistance rotating manner; the mounting seat is sleeved at one end of the motor, which is far away from the fan blade, and one end of the motor, which is far away from the fan blade, is annularly protruded; the damping assembly comprises a mounting ring, a supporting spring and an elastic tube, the mounting ring is slidably sleeved on the mounting seat, the supporting spring is fixedly connected between the mounting ring and the mounting seat and sleeved on the mounting seat, and the elastic tube is fixedly connected to the outer side of the mounting ring and a bulge of the mounting seat; and one end of the connecting assembly is rotatably connected to the mounting ring. When wind power impacts the fan blades, the utility model disperses the impact force, plays a role in protecting the fan blades sufficiently and prolongs the service life of the fan blades.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a blade damping device of a wind driven generator.
Background
The wind driven generator is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, mechanical parts and electrical parts. The principle of wind power generation is that wind power is used for driving windmill blades to rotate, and then the rotating speed is increased through a speed increaser to promote a generator to generate power.
Because the wind driven generator is usually arranged at a place with larger wind power, when strong wind power vertically acts on the blades, strong impact action is generated on the blades, so that rigid deflection between the blades and the generator is caused, the blades are easy to bend, and the generator cannot be normally used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that in the prior art, when strong wind power vertically acts on a blade, strong impact is generated on the blade, so that the blade is hard to deflect and is easy to bend, and the generator cannot be normally used.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a blade damping device of a wind power generator, comprising:
the power generation device comprises a mounting plate, fan blades and a motor, wherein the mounting plate is fixedly connected to the output end of the motor, and the fan blades are connected to the side edge of the mounting plate in an equidistance rotating manner;
the mounting seat is sleeved at one end of the motor, which is far away from the fan blade, and one end of the motor, which is far away from the fan blade, is annularly protruded;
the damping assembly comprises a mounting ring, a supporting spring and an elastic tube, the mounting ring is slidably sleeved on the mounting seat, the supporting spring is fixedly connected between the mounting ring and the mounting seat and sleeved on the mounting seat, and the elastic tube is fixedly connected to the outer side of the mounting ring and a bulge of the mounting seat;
and one end of the connecting assembly is rotatably connected to the mounting ring, and the other end of the connecting assembly is mounted on the fan blade through the sliding assembly.
Preferably, the sliding assembly comprises a supporting block and a sliding groove, the sliding groove is formed in one side, close to the mounting seat, of the fan blade, and the supporting block is arranged inside the sliding groove in a limiting sliding mode.
Preferably, the connecting assembly comprises a supporting plate, a first rotating shaft and a second rotating shaft, the first rotating shaft is rotatably connected to the supporting block, a plurality of rotating grooves are formed in the edge of one side, close to the fan blades, of the mounting ring, the second rotating shaft is rotatably arranged inside the rotating grooves, and the supporting plate is fixedly connected between the first rotating shaft and the second rotating shaft.
Preferably, the surface of the elastic tube is provided with folded grains, and the elastic tube is made of an elastic material and keeps a compressed state when not influenced by external force.
Preferably, the spring pitch of the supporting spring is larger than the distance between the mounting ring and the mounting seat bulge, and the supporting spring is kept in a compressed state.
Preferably, the supporting plate is a straight plate, and a triangular support is formed between the fan blades and the mounting ring.
Compared with the prior art, the utility model has the beneficial effects that:
when wind power impacts the fan blade from the front side, the connecting assembly acts on the mounting ring, the mounting ring slides under the extrusion of the connecting assembly, so that the supporting spring and the elastic pipe are compressed, the received impact force is converted into elastic potential energy, and the impact is buffered.
Drawings
Fig. 1 is a schematic front structural view of a blade damping device of a wind turbine according to the present invention;
FIG. 2 is a sectional view of a blade damping device of a wind turbine according to the present invention;
FIG. 3 is a schematic structural view of a back side of a blade damping device of a wind turbine according to the present invention;
fig. 4 is a schematic structural view of a connecting assembly of a blade damping device of a wind turbine according to the present invention.
In the figure: the fan comprises a mounting plate 1, fan blades 2, a motor 3, a mounting seat 4, a damping component 5, a mounting ring 51, a supporting spring 52, an elastic tube 53, a connecting component 6, a supporting plate 61, a first rotating shaft 62, a second rotating shaft 63, a sliding component 7, a supporting block 71 and a sliding chute 72.
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.
The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.
Referring to fig. 1 to 4, a blade damping device of a wind power generator includes:
the power generation device comprises a mounting plate 1, fan blades 2 and a motor 3, wherein the mounting plate 1 is fixedly connected to the output end of the motor 3, and the fan blades 2 are connected to the side edge of the mounting plate 1 in an equidistance rotating manner;
the mounting seat 4 is sleeved at one end, far away from the fan blade 2, of the motor 3, and the end, far away from the fan blade 2, of the mounting seat 4 is annularly protruded;
the damping assembly 5 comprises a mounting ring 51, a supporting spring 52 and an elastic tube 53, wherein the mounting ring 51 is slidably sleeved on the mounting seat 4, the supporting spring 52 is fixedly connected between the mounting ring 51 and the mounting seat 4 and sleeved on the mounting seat 4, and the elastic tube 53 is fixedly connected to the outer side of the mounting ring 51 and a bulge of the mounting seat 4;
and the connecting assembly 6 is connected to the mounting ring 51 in a rotating mode at one end of the connecting assembly 6, and is installed on the fan blade 2 through the sliding assembly 7 at the other end of the connecting assembly 6.
In the embodiment applying the technical scheme, when wind power impacts the fan blade 2 from the front side, the connecting assembly 6 acts on the mounting ring 51, the mounting ring 51 slides under the extrusion of the connecting assembly 6, so that the supporting spring 52 and the elastic tube 53 are compressed, the received impact force is converted into elastic potential energy, and the impact effect on the fan blade 2 is buffered, when the wind power impacts the fan blade 2 from the back side, the wind power moves towards the direction of the fan blade 2 under the pulling of the connecting assembly 6 of the mounting ring 51, and the supporting spring 52 and the elastic tube 53 pull the connecting assembly 6 and the fan blade 2, so that the impact effect on the fan blade 2 caused by the impact of the wind power is reduced.
In the preferred technical scheme in this embodiment, the sliding assembly 7 includes a supporting block 71 and a sliding groove 72, the sliding groove 72 is formed in one side of the fan blade 2 close to the mounting base 4, the supporting block 71 is slidably disposed in the sliding groove 72 in a limited manner, the supporting block 71 can support the fan blade 2, the direction of the wind in a region with large wind power cannot be determined, and the impact force of the wind moving from the back side of the fan blade 2 to the front side of the fan blade 2 can be effectively reduced by the sliding of the supporting block 71 in the sliding groove 72;
the connecting assembly 6 comprises a supporting plate 61, a first rotating shaft 62 and a second rotating shaft 63, the first rotating shaft 62 is rotatably connected to the supporting block 71, a plurality of rotating grooves are formed in the edge of one side, close to the fan blades 2, of the mounting ring 51, the second rotating shaft 63 is rotatably arranged in the rotating grooves, the supporting plate 61 is fixedly connected between the first rotating shaft 62 and the second rotating shaft 63, when wind power impacts the fan blades 2 from the front side, the supporting plate 61 acts on the second rotating shaft 63 to push the mounting ring 51 to slide, the second rotating shaft 63 rotates, and when the fan blades 2 are impacted from the back side by the wind power, the first rotating shaft 62 is pulled by the supporting plate 61 to reduce impact of the wind power;
the surface of the elastic tube 53 is provided with folded grains, the elastic tube 53 is made of elastic materials, the elastic tube 53 keeps a compressed state when not being affected by external force, and when the mounting ring 51 extrudes the supporting spring 52 under the action of wind force, the elastic tube 53 is compressed, so that the buffering and shock absorption effects are achieved;
the spring pitch of the support spring 52 is greater than the pitch of the mounting ring 51 to the mounting seat 4 projection, and the support spring is kept in a compressed state, so that a limited action is started on the positions of the mounting ring 51 and the mounting seat 4;
the supporting plate 61 is a straight plate, and a triangular support is formed between the fan blade 2 and the mounting ring 51, and the triangular support has enough stability and larger supporting force.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A blade damping device of a wind power generator is characterized by comprising:
the power generation device comprises a mounting plate (1), fan blades (2) and a motor (3), wherein the mounting plate (1) is fixedly connected to the output end of the motor (3), and the fan blades (2) are connected to the side edge of the mounting plate (1) in an equidistance rotating manner;
the mounting seat (4) is sleeved at one end, far away from the fan blade (2), of the motor (3), and one end, far away from the fan blade (2), of the mounting seat (4) is annularly protruded;
the shock absorption assembly (5), the shock absorption assembly (5) comprises a mounting ring (51), a supporting spring (52) and an elastic tube (53), the mounting ring (51) is slidably sleeved on the mounting seat (4), the supporting spring (52) is fixedly connected between the mounting ring (51) and the mounting seat (4) and sleeved on the mounting seat (4), and the elastic tube (53) is fixedly connected to the outer side of the mounting ring (51) and a bulge of the mounting seat (4);
the fan blade fixing device comprises a connecting assembly (6), wherein one end of the connecting assembly (6) is rotatably connected to a mounting ring (51), and the other end of the connecting assembly (6) is mounted on the fan blade (2) through a sliding assembly (7).
2. The blade damping device of the wind driven generator (3) according to claim 1, wherein the sliding assembly (7) comprises a supporting block (71) and a sliding groove (72), the sliding groove (72) is formed on one side of the fan blade (2) close to the mounting seat (4), and the supporting block (71) is arranged inside the sliding groove (72) in a limiting sliding manner.
3. The blade damping device of the wind driven generator (3) according to claim 2, wherein the connecting assembly (6) comprises a supporting plate (61), a first rotating shaft (62) and a second rotating shaft (63), the first rotating shaft (62) is rotatably connected to the supporting block (71), a plurality of rotating grooves are formed in one side edge of the mounting ring (51) close to the blades (2), the second rotating shaft (63) is rotatably arranged in the rotating grooves, and the supporting plate (61) is fixedly connected between the first rotating shaft (62) and the second rotating shaft (63).
4. A blade damper device of a wind power generator (3) as claimed in claim 1, wherein the surface of the elastic tube (53) is provided with folded veins, and the elastic tube (53) is made of an elastic material and maintains a compressed state when not subjected to an external force.
5. A blade damping device for a wind turbine (3) according to claim 1, characterised in that the spring pitch of the supporting spring (52) is larger than the pitch of the mounting ring (51) to the mounting seat (4) protrusion, maintaining the compressed state.
6. A blade damping device for a wind turbine (3) according to claim 3, wherein the support plate (61) is a straight plate forming a triangular support between the fan blade (2) and the mounting ring (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122907626.9U CN216278268U (en) | 2021-11-25 | 2021-11-25 | Blade damping device of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122907626.9U CN216278268U (en) | 2021-11-25 | 2021-11-25 | Blade damping device of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216278268U true CN216278268U (en) | 2022-04-12 |
Family
ID=81037307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122907626.9U Active CN216278268U (en) | 2021-11-25 | 2021-11-25 | Blade damping device of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216278268U (en) |
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2021
- 2021-11-25 CN CN202122907626.9U patent/CN216278268U/en active Active
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