CN211174461U - Damping device for fatigue damage of wind power generation tower - Google Patents
Damping device for fatigue damage of wind power generation tower Download PDFInfo
- Publication number
- CN211174461U CN211174461U CN201922235481.5U CN201922235481U CN211174461U CN 211174461 U CN211174461 U CN 211174461U CN 201922235481 U CN201922235481 U CN 201922235481U CN 211174461 U CN211174461 U CN 211174461U
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- tower
- wind power
- traction
- fatigue damage
- pylon
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- 238000010248 power generation Methods 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 title claims abstract description 19
- 230000003139 buffering effect Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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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- Wind Motors (AREA)
Abstract
The utility model discloses a damping device for wind power generation tower fatigue damage, including the pylon, the tower seat has been installed to the bottom of pylon, the motor has been installed at the top of pylon, the impeller has been installed to the one end of motor, the tail-bar has been installed to the other end of motor, the fin has been installed to the one end of tail-bar, the cover is equipped with on the pylon and embraces the lock hoop, the one end connection of lock hoop has been installed and has been dragged the rope, U type ear has been installed to the one end of dragging the rope; the tower is vertically arranged on the ground, power is generated in an energy conversion mode, after long-time work, the tower is influenced by work vibration, so that fatigue damage is easily caused to welding positions and bolt screwing positions on the tower, the connection parts are loosened and fall off, the stability of the tower is influenced, the traction device is arranged between the tower grounds, the traction device is provided with a damping buffer device, and if the tower is unstable due to vibration, the tower can be prevented from inclining and falling sideways through the action of the symmetrically arranged traction buffer devices.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, concretely relates to a damping device for wind power generation tower fatigue damage.
Background
Wind power generation refers to converting kinetic energy of wind into electric energy. Wind is one pollution-free energy, is very environment-friendly by utilizing wind power generation, and can generate huge electric energy, so that more and more countries attach more importance to wind power generation, the wind is one of pollution-free energy, and the wind is inexhaustible, so that the wind power generation is suitable for local conditions and utilization of wind power in coastal islands, grassland pasturing areas, mountainous areas and plateau areas with water shortage, fuel shortage and inconvenient traffic, the wind power generation is an important field of renewable energy development, is an important force for promoting technical progress and industrial upgrading, is an important measure for promoting energy structure adjustment, converts the kinetic energy of the wind into mechanical kinetic energy, and then converts the mechanical energy into electric kinetic energy, and is the wind power generation. The principle of wind power generation is that wind power drives windmill blades to rotate, and then the rotating speed is increased through a speed increaser, so that a generator is promoted to generate electricity. According to the current windmill technology, the power generation can be started at a breeze speed of about three meters per second, and the wind power generation is forming a hot tide in the world because the wind power generation does not need to use fuel and does not generate radiation or air pollution.
The current damping device who is used for wind power generation tower fatigue damage, wind power generation tower is when using usually, the workplace wind energy that the pylon was erect usually is great, receive the sunshine wind-blowing long time when using, work for a long time in this kind of environment, welding part and bolt on the pylon establish the position soon and are difficult to avoid producing fatigue, lead to the pylon to collapse, cause the loss of manpower and financial resources, and the also direct relation of antidetonation shock attenuation effect of wind tower is to the fatigue life of pylon, the effectual shock attenuation mode can improve the fatigue life of pylon, reduce the problem of the degree of pylon fatigue damage, for this reason we propose a damping device who is used for wind power generation tower fatigue damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a damping device for wind power generation tower fatigue damage, with the current damping device who is used for wind power generation tower fatigue damage who proposes in solving above-mentioned background, wind power generation tower is when using usually, the workplace wind energy that the pylon erect usually is great, receive the sunshine wind-force during long time when using, work for a long time in this kind of environment, welding part and the bolt on the pylon establish the position soon and difficultly avoid producing fatigue, lead to the pylon to collapse, cause the loss of manpower and financial resources, and the also direct relation of the antidetonation shock attenuation effect of wind tower is to the fatigue life of pylon, the fatigue life of pylon can be improved to effectual shock attenuation mode, reduce the problem of the degree of pylon fatigue damage.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a damping device for wind power generation tower fatigue damage, includes the pylon, the tower seat has been installed to the bottom of pylon, the motor has been installed at the top of pylon, the impeller has been installed to the one end of motor, the tailboom has been installed to the other end of motor, the fin has been installed to the one end of tailboom, the cover is equipped with to embrace tightly the hoop on the pylon, embraces the one end of tightly hooping and connects and has installed the traction rope, U type ear has been installed to the one end of traction rope, the traction lever has been installed to the one end connection of U type ear, the buffering telescopic link has been installed in the connection on the traction lever, buffer spring has been installed to the inboard of traction lever, the one end of buffering telescopic link is located the inboard of traction lever and has.
Preferably, one side of the tower seat is provided with a ground wire fixing seat, and one end of the traction rod is connected and arranged on the ground wire fixing seat.
Preferably, the draw bar and the buffering telescopic rod are installed in a limiting mode through a limiting block and a buffering spring.
Preferably, two U-shaped lugs are symmetrically arranged at two ends of the traction rod and the buffering telescopic rod.
Preferably, the clasping hoop is provided with an integrated connecting sheet, and one end of the traction rope is arranged on the connecting sheet in a penetrating manner.
Preferably, the clasping hoop is clasped and fixed on the tower frame through bolts.
Preferably, an integrated fixed flange is arranged on the tower frame, and the tower frame is connected and erected through the fixed flange.
Compared with the prior art, the beneficial effects of the utility model are that: the tower is vertically installed on the ground, power is generated in an energy conversion mode, after long-time work, the tower is influenced by work vibration, fatigue damage is easily caused to the welding position and the bolt rotary installation position on the tower, the connection position is loosened and falls off, the stability of the tower is influenced, dangerous conditions such as collapse are easily caused, a hoop is arranged on the tower, a traction device is arranged between the hoop and the ground, a damping buffer device is arranged on the traction device, when the power generation tower works, if vibration causes the tower to be unstable, the tower can be prevented from inclining and falling under the action of the symmetrically arranged traction buffer device, the stability of the tower is improved, and the excessive fatigue damage of the tower is prevented.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the traction rod of the present invention;
in the figure: 1. a ground wire fixing seat; 2. a draw bar; 3. a U-shaped ear; 4. a traction rope; 5. tightly hooping; 6. a fixed flange; 7. a tower; 8. a tail wing; 9. a tail rod; 10. a motor; 11. an impeller; 12. a limiting block; 13. a buffer spring; 14. buffering telescopic link.
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.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a damping device for fatigue damage of a wind power generation tower comprises a tower frame 7, a tower base is arranged at the bottom of the tower frame 7, a motor 10 is arranged at the top of the tower frame 7, an impeller 11 is arranged at one end of the motor 10, a tail rod 9 is arranged at the other end of the motor 10, an empennage 8 is arranged at one end of the tail rod 9, a hoop 5 is sleeved on the tower frame 7, a traction rope 4 is connected and arranged at one end of the hoop 5, a U-shaped lug 3 is arranged at one end of the traction rope 4, a traction rod 2 is connected and arranged at one end of the U-shaped lug 3, a buffer telescopic rod 14 is connected and arranged on the traction rod 2, a buffer spring 13 is arranged on the inner side of the traction rod 2, one end of the buffer telescopic rod 14 is positioned on the inner side of the traction rod 2 and is provided with a limit block 12, one end of the traction rope 4 is connected with the buffer telescopic rod 14 through the, the stability of the tower 7 is improved, and the tower 7 is prevented from being excessively damaged due to fatigue.
For better connection and installation, in this embodiment, preferably, one side of the tower base is provided with a ground wire fixing seat 1, one end of the traction rod 2 is connected and installed on the ground wire fixing seat 1, so as to fix the tower frame 7 through the traction rope 4 conveniently, for better shock absorption and installation, in this embodiment, preferably, the traction rod 2 and the buffer telescopic rod 14 are limited and installed through a limiting block 12 and a buffer spring 13, for better connection and installation of a buffer device, in this embodiment, preferably, two U-shaped lugs 3 are symmetrically installed at two ends of the traction rod 2 and the buffer telescopic rod 14, so as to improve the stability of the device when being fixed, for better connection and installation of the traction rope 4, in this embodiment, preferably, the clasping hoop 5 is provided with an integrated connecting piece, one end of the traction rope 4 is penetrated through the connecting piece, for better installation of the clasping hoop 5, in this, embrace tightly to embrace hoop 5 and embrace through the bolt and establish and fix on pylon 7, prevent to embrace hoop 5 not hard up and drop, for better tower 7 that erects, in this embodiment, preferably, set up the mounting flange 6 of integral type on the pylon 7, the pylon 7 is connected through mounting flange 6 and is erect.
The utility model discloses a theory of operation and use flow: when the device is used, the device is generally vertically installed on the ground, power is generated in an energy conversion mode, after long-time work, the tower 7 is influenced by work vibration, so that fatigue damage is easily caused on a welding part and a bolt rotatably arranged part on the device, a joint is easily loosened and falls off, the stability of the tower 7 is influenced, and dangerous conditions such as collapse and the like easily occur, a clasping hoop 5 is arranged on a draw bar 2, an integrated connecting sheet is arranged on the clasping hoop 5, a traction device is arranged between the clasping hoop 5 and the ground through the connecting sheet and comprises the draw bar 2 and a traction rope 4, when the power generation tower works, if vibration causes the tower 7, the traction rope 4 can pull a buffer telescopic rod 14 through a U-shaped lug 3, the buffer telescopic rod 14 extrudes a buffer spring 13 through a limiting block 12, and the anti-vibration effect can be achieved through the reaction force generated by the deformation of, the tower 7 can be prevented from inclining and falling sideways through the action of the symmetrically arranged traction buffer devices, and the stability of the power tower is improved.
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 (7)
1. A damping device for wind power generation tower fatigue damage, includes pylon (7), the tower base has been installed to the bottom of pylon (7), motor (10) has been installed at the top of pylon (7), impeller (11) has been installed to the one end of motor (10), tail-bar (9) has been installed to the other end of motor (10), fin (8) have been installed to the one end of tail-bar (9), its characterized in that: the cover is equipped with on pylon (7) and embraces and tightly embraces hoop (5), and the one end of embracing hoop (5) is connected and has been installed traction rope (4), U type ear (3) have been installed to the one end of traction rope (4), traction lever (2) have been installed to the one end connection of U type ear (3), buffering telescopic link (14) have been installed in the connection on traction lever (2), buffer spring (13) have been installed to the inboard of traction lever (2), buffer telescopic link (14)'s one end is located the inboard of traction lever (2) and has been installed stopper (12), the one end of traction rope (4) is passed through U type ear (3) and is connected with buffering telescopic link (14).
2. A damping device for fatigue damage of wind power towers according to claim 1, characterised in that: one side of the tower seat is provided with a ground wire fixing seat (1), and one end of the traction rod (2) is connected and arranged on the ground wire fixing seat (1).
3. A damping device for fatigue damage of wind power towers according to claim 1, characterised in that: the traction rod (2) and the buffering telescopic rod (14) are installed in a limiting mode through a limiting block (12) and a buffering spring (13).
4. A damping device for fatigue damage of wind power towers according to claim 1, characterised in that: two U-shaped lugs (3) are symmetrically arranged at two ends of the traction rod (2) and the buffer telescopic rod (14).
5. A damping device for fatigue damage of wind power towers according to claim 1, characterised in that: the clasping hoop (5) is provided with an integrated connecting sheet, and one end of the traction rope (4) is arranged on the connecting sheet in a penetrating manner.
6. A damping device for fatigue damage of wind power towers according to claim 1, characterised in that: the clasping hoop (5) is clasped and fixed on the tower frame (7) through bolts.
7. A damping device for fatigue damage of wind power towers according to claim 1, characterised in that: the tower (7) is provided with an integrated fixed flange (6), and the tower (7) is connected and erected through the fixed flange (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922235481.5U CN211174461U (en) | 2019-12-13 | 2019-12-13 | Damping device for fatigue damage of wind power generation tower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922235481.5U CN211174461U (en) | 2019-12-13 | 2019-12-13 | Damping device for fatigue damage of wind power generation tower |
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CN211174461U true CN211174461U (en) | 2020-08-04 |
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CN201922235481.5U Expired - Fee Related CN211174461U (en) | 2019-12-13 | 2019-12-13 | Damping device for fatigue damage of wind power generation tower |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114838078A (en) * | 2022-03-17 | 2022-08-02 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
-
2019
- 2019-12-13 CN CN201922235481.5U patent/CN211174461U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114838078A (en) * | 2022-03-17 | 2022-08-02 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
CN114838078B (en) * | 2022-03-17 | 2024-02-06 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |
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CF01 | Termination of patent right due to non-payment of annual fee |