CN211058947U - Blade damping device of wind driven generator - Google Patents
Blade damping device of wind driven generator Download PDFInfo
- Publication number
- CN211058947U CN211058947U CN201922188469.3U CN201922188469U CN211058947U CN 211058947 U CN211058947 U CN 211058947U CN 201922188469 U CN201922188469 U CN 201922188469U CN 211058947 U CN211058947 U CN 211058947U
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- sliding
- wheel shaft
- wind
- wind wheel
- damping device
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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 provides a aerogenerator's blade damping device. The blade damping device of the wind driven generator comprises a wind wheel shaft; the hub is sleeved on the wind wheel shaft in a sliding manner; the two sliding rails are fixedly arranged on two sides of the wind wheel shaft respectively; the limiting block is fixedly arranged at one end of the wind wheel shaft; the two blades are fixedly arranged on two sides of the hub respectively; the two sliding rods are fixedly arranged on one side, away from the limiting block, of the hub and are symmetrically arranged; the two first springs are respectively sleeved on the corresponding sliding rods in a sliding manner. The utility model provides a aerogenerator's blade damping device has the effect of shock attenuation buffering, avoids the strong wind to damage the blade, guarantee the normal clear of wind power generation work, avoided economic loss, the advantage that improves the security.
Description
Technical Field
The utility model relates to a wind power generation technical field especially relates to a aerogenerator's blade damping device.
Background
Under the global background of the current non-renewable energy sources, which are in shortage, the climate changes rapidly and the environment deteriorates gradually, the wind energy is highly concerned by various countries, and is one of the main directions for utilizing new energy sources in China. In wind power generation, because the wind speed change in the nature is unusual, under the condition of strong wind, the blades are blown by wind force, and under the condition of no shock absorption, the blades can be damaged, so that the economic loss is high, and the safety is low.
Therefore, there is a need to provide a new blade damping device for wind turbine generator to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a aerogenerator's blade damping device with effect, the normal clear of avoiding strong wind to damage the blade, guarantee wind power generation work, avoided economic loss, improve the security of shock attenuation buffering.
In order to solve the technical problem, the utility model provides a aerogenerator's blade damping device includes: a wind wheel shaft; the hub is sleeved on the wind wheel shaft in a sliding manner; the two sliding rails are fixedly arranged on two sides of the wind wheel shaft respectively; the limiting block is fixedly arranged at one end of the wind wheel shaft; the two blades are fixedly arranged on two sides of the hub respectively; the two sliding rods are fixedly arranged on one side, away from the limiting block, of the hub and are symmetrically arranged; the two first springs are respectively sleeved on the corresponding sliding rods in a sliding manner; the two fixing blocks are respectively and fixedly arranged on two sides of the wind wheel shaft, and mounting grooves are formed in one sides, close to the wheel hub, of the two fixing blocks; the two fixing rods are respectively and fixedly installed in the corresponding installation grooves; the two second springs are respectively sleeved on the corresponding fixing rods in a sliding manner; the two sliding blocks are respectively installed on the corresponding fixing rods in a sliding manner; the two hinged joints are respectively fixedly arranged on the corresponding blades; the two hinge rods are respectively hinged with the corresponding hinge heads, and one ends of the hinge rods, far away from the corresponding hinge heads, are hinged with the corresponding sliding blocks.
Preferably, a through hole is formed in the wheel hub and is in sliding connection with the wind wheel shaft, sliding grooves are formed in the inner walls of the two sides of the through hole and are in sliding connection with the corresponding sliding rails.
Preferably, the fixed block is provided with a sliding hole, and the sliding hole is connected with the sliding rod in a sliding manner.
Preferably, one end of the sliding rod, which is far away from the limiting block, is fixedly installed on the limiting plate.
Preferably, two keeping away from of fixed block one side of wheel hub is equipped with same cabin, the mounting hole has been seted up to one side of cabin, the wind wheel axle runs through the mounting hole, fixed mounting has the bearing frame in the cabin, the rotation hole has been seted up on the bearing frame, fixed mounting has the bearing in the rotation hole, the inner circle fixed sleeve of bearing is established on the wind wheel axle, fixed mounting has generator and gear acceleration box on the bottom inner wall of cabin, the output shaft of generator with the gear acceleration box is connected, the wind wheel axle with the gear acceleration box.
Preferably, a tower is fixedly mounted at the bottom of the nacelle.
Compared with the prior art, the utility model provides a aerogenerator's blade damping device has following beneficial effect:
the utility model provides a aerogenerator's blade damping device, when the blade received powerful wind-force, the blade horizontal direction moved, drives the first spring of wheel hub compression, and slider compression second spring simultaneously, the blade receives the power of strong wind and is stored as elastic potential energy by first spring and second spring, has played the effect of shock attenuation buffering, has avoided strong wind to damage the blade, has guaranteed the normal clear of wind power generation work, has avoided economic loss, has improved the security.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a blade damping device of a wind turbine according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is the side view structure diagram of the middle hub of the present invention.
Reference numbers in the figures: 1. wind wheel axle, 2, wheel hub, 3, slide rail, 4, stopper, 5, blade, 6, slide bar, 7, first spring, 8, fixed block, 9, dead lever, 10, second spring, 11, slider, 12, articulated joint, 13, articulated rod, 14, limiting plate, 15, cabin, 16, pylon.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a blade damping device of a wind turbine according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is the side view structure diagram of the middle hub of the present invention. The blade damping device of the wind power generator comprises: a wind wheel shaft 1; the hub 2 is sleeved on the wind wheel shaft 1 in a sliding manner; the two sliding rails 3 are respectively and fixedly arranged on two sides of the wind wheel shaft 1; the limiting block 4 is fixedly arranged at one end of the wind wheel shaft 1; the two blades 5 are respectively and fixedly arranged on two sides of the hub 2; the two sliding rods 6 are fixedly arranged on one side, away from the limiting block 4, of the hub 2, and the two sliding rods 6 are symmetrically arranged; the two first springs 7 are respectively sleeved on the corresponding sliding rods 6 in a sliding manner; the two fixing blocks 8 are respectively and fixedly installed on two sides of the wind wheel shaft 1, and mounting grooves are formed in one sides, close to the wheel hub 2, of the two fixing blocks 8; the two fixing rods 9 are respectively and fixedly arranged in the corresponding mounting grooves; the two second springs 10 are respectively sleeved on the corresponding fixing rods 9 in a sliding manner; the two sliding blocks 11 are respectively installed on the corresponding fixing rods 9 in a sliding mode; the two articulated joints 12 and the two articulated joints 12 are respectively and fixedly arranged on the corresponding blades 5; two articulated rods 13, two articulated rods are articulated with corresponding articulated joint 12 respectively, articulated rod 13 keep away from corresponding articulated joint 12 one end with corresponding slider 11 is articulated.
The hub 2 is provided with a through hole, the through hole is connected with the wind wheel shaft 1 in a sliding mode, the inner walls of the two sides of the through hole are provided with sliding grooves, and the sliding grooves are connected with the corresponding sliding rails 3 in a sliding mode.
The fixed block 8 is provided with a sliding hole, and the sliding hole is connected with the sliding rod 6 in a sliding manner.
One end of the sliding rod 6, which is far away from the limiting block 4, is fixedly arranged on a limiting plate 14.
Two keeping away from of fixed block 8 one side of wheel hub 2 is equipped with same cabin 15, the mounting hole has been seted up to one side of cabin 15, wind wheel axle 1 runs through the mounting hole, fixed mounting has the bearing frame in the cabin, the rotation hole has been seted up on the bearing frame, fixed mounting has the bearing in the rotation hole, the inner circle fixed cover of bearing is established on the wind wheel axle 1, fixed mounting has generator and gear accelerating box on the bottom inner wall of cabin 15, the output shaft of generator with the gear accelerating box is connected, wind wheel axle 1 with the gear accelerating box.
A tower 16 is fixedly mounted to the bottom of the nacelle 15.
The utility model provides a aerogenerator's blade damping device's theory of operation as follows: when the blades 5 are subjected to natural wind power, the blades 5 rotate and drive the hub 2 to rotate, the hub 2 drives the sliding rail 3 to rotate, the sliding rail 3 drives the wind wheel shaft 1 to rotate, and the rotating speed of the wind wheel shaft 1 is accelerated by the gear accelerator box to drive the generator to generate electricity; when the blade 5 is subjected to strong wind power, the blade 5 moves in the horizontal direction and drives the hub 2 to slide on the sliding rail 3 and the wind wheel shaft 1, the hub 2 compresses the first spring 7, meanwhile, the blade 5 moves to drive the hinge joint 12 to move, the hinge joint 12 drives the hinge rod 13 to move, the hinge rod 13 drives the sliding block 11 to slide on the fixing rod 9, the second spring 10 is compressed by the sliding block 11, the force applied by the blade 5 due to strong wind is stored as elastic potential energy by the first spring 7 and the second spring 10, and the damping and buffering effects are achieved.
Compared with the prior art, the utility model provides a aerogenerator's blade damping device has following beneficial effect:
the utility model provides a aerogenerator's blade damping device, when blade 5 received powerful wind-force, blade 5 horizontal direction upwards removes, drive wheel hub 2 compression first spring 7, slider 11 compression second spring 10 simultaneously, the force of blade 5 received the strong wind and is stored as elastic potential energy by first spring 7 and second spring 10, the effect of shock attenuation buffering has been played, the strong wind has been avoided damaging blade 5, the normal clear of wind power generation work has been guaranteed, economic loss has been avoided, the security has been improved.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. A blade damping device of a wind power generator is characterized by comprising:
a wind wheel shaft;
the hub is sleeved on the wind wheel shaft in a sliding manner;
the two sliding rails are fixedly arranged on two sides of the wind wheel shaft respectively;
the limiting block is fixedly arranged at one end of the wind wheel shaft;
the two blades are fixedly arranged on two sides of the hub respectively;
the two sliding rods are fixedly arranged on one side, away from the limiting block, of the hub and are symmetrically arranged;
the two first springs are respectively sleeved on the corresponding sliding rods in a sliding manner;
the two fixing blocks are respectively and fixedly arranged on two sides of the wind wheel shaft, and mounting grooves are formed in one sides, close to the wheel hub, of the two fixing blocks;
the two fixing rods are respectively and fixedly installed in the corresponding installation grooves;
the two second springs are respectively sleeved on the corresponding fixing rods in a sliding manner;
the two sliding blocks are respectively installed on the corresponding fixing rods in a sliding manner;
the two hinged joints are respectively fixedly arranged on the corresponding blades;
the two hinge rods are respectively hinged with the corresponding hinge heads, and one ends of the hinge rods, far away from the corresponding hinge heads, are hinged with the corresponding sliding blocks.
2. The blade damping device of the wind driven generator according to claim 1, wherein the hub is provided with a through hole, the through hole is slidably connected with the wind wheel shaft, the inner walls of the through hole at two sides are provided with sliding grooves, and the sliding grooves are slidably connected with the corresponding sliding rails.
3. The blade damping device of the wind driven generator according to claim 1, wherein a sliding hole is formed in the fixing block, and the sliding hole is slidably connected with the sliding rod.
4. The blade damping device of the wind driven generator according to claim 1, wherein one end of the sliding rod, which is far away from the limiting block, is fixedly installed on a limiting plate.
5. The blade damping device of the wind driven generator according to claim 1, wherein one side of the two fixing blocks away from the hub is provided with a same nacelle, one side of the nacelle is provided with a mounting hole, the wind wheel shaft penetrates through the mounting hole, a bearing seat is fixedly mounted in the nacelle, the bearing seat is provided with a rotating hole, a bearing is fixedly mounted in the rotating hole, an inner ring of the bearing is fixedly sleeved on the wind wheel shaft, a generator and a gear acceleration box are fixedly mounted on an inner wall of the bottom of the nacelle, an output shaft of the generator is connected with the gear acceleration box, and the wind wheel shaft is connected with the gear acceleration box.
6. The blade vibration damping device for a wind power generator as claimed in claim 5, wherein a tower is fixedly installed at the bottom of the nacelle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188469.3U CN211058947U (en) | 2019-12-09 | 2019-12-09 | Blade damping device of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188469.3U CN211058947U (en) | 2019-12-09 | 2019-12-09 | Blade damping device of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211058947U true CN211058947U (en) | 2020-07-21 |
Family
ID=71595154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922188469.3U Expired - Fee Related CN211058947U (en) | 2019-12-09 | 2019-12-09 | Blade damping device of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211058947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664413A (en) * | 2020-12-08 | 2021-04-16 | 湖南创一智能科技有限公司 | Permanent blade auxiliary structure spare of using |
| CN115263688A (en) * | 2022-09-27 | 2022-11-01 | 常州市中昊轨道交通科技发展有限公司 | Damping device and wind generating set |
-
2019
- 2019-12-09 CN CN201922188469.3U patent/CN211058947U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664413A (en) * | 2020-12-08 | 2021-04-16 | 湖南创一智能科技有限公司 | Permanent blade auxiliary structure spare of using |
| CN112664413B (en) * | 2020-12-08 | 2022-06-03 | 湖南创一智能科技有限公司 | Permanent blade auxiliary structure spare of using |
| CN115263688A (en) * | 2022-09-27 | 2022-11-01 | 常州市中昊轨道交通科技发展有限公司 | Damping device and wind generating set |
| CN115263688B (en) * | 2022-09-27 | 2022-12-20 | 常州市中昊轨道交通科技发展有限公司 | Damping device and wind generating set |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20201209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |