CN110714884A - Wind turbine tower fatigue transfer structure - Google Patents
Wind turbine tower fatigue transfer structure Download PDFInfo
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- CN110714884A CN110714884A CN201911109954.5A CN201911109954A CN110714884A CN 110714884 A CN110714884 A CN 110714884A CN 201911109954 A CN201911109954 A CN 201911109954A CN 110714884 A CN110714884 A CN 110714884A
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- 230000003139 buffering effect Effects 0.000 claims description 13
- 238000005381 potential energy Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002929 anti-fatigue Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind turbine tower fatigue transfer structure which comprises a wind turbine tower, wherein a rotating device is installed at the bottom of the wind turbine tower, a wind turbine cabin body is installed at the upper end of the wind turbine tower, wind turbine blades are installed at the front end of the wind turbine cabin body, the wind turbine tower, the wind turbine cabin body and the wind turbine blades which can be driven by the rotating device rotate together, a weak wind fatigue transfer structure is installed on the front side of the wind turbine tower, a strong wind fatigue transfer structure is installed on the rear side of the wind turbine tower, a horizontal sliding groove is formed in the top of the wind turbine tower, the front direction and the rear direction of the horizontal sliding groove are arranged, the wind turbine cabin body is slidably installed in the horizontal sliding groove, the weak wind fatigue transfer structure comprises a weak wind. The invention has the advantage of remarkably improving the anti-fatigue capability of the wind turbine.
Description
Technical Field
The invention belongs to the field of wind power generation, and particularly relates to a wind turbine tower fatigue transfer structure.
Background
Sustainable development resources are advocated vigorously in developed countries at the end of the last century, and clean energy wind turbines are developed vigorously on the background; wind turbines at home and abroad have a great progress by this century, but as the investment of typical investment is high and recovery is slow, the requirements of the wind turbines on fatigue resistance are much higher than those of other structures.
Disclosure of Invention
The invention aims to solve the technical problem of providing a wind turbine tower fatigue transfer structure which can obviously improve the fatigue resistance of a wind turbine aiming at the defects of the prior art.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a wind turbine tower fatigue transfer structure, includes the wind turbine tower, and the rotating device is installed to the bottom of wind turbine tower, and the wind turbine cabin body is installed to the wind turbine tower upper end, and the wind turbine blade is installed to wind turbine cabin body front end, and the wind turbine tower, the wind turbine cabin body and the wind turbine blade that rotating device can drive rotate together, characterized by: the wind machine tower is provided with a weak wind fatigue transfer structure at the front side, the wind machine tower is provided with a strong wind fatigue transfer structure at the rear side, the top of the wind machine tower is provided with a horizontal chute, the horizontal chute runs forward and backward, a wind machine cabin body is slidably arranged in the horizontal chute, the weak wind fatigue transfer structure comprises a weak wind fatigue transfer rod and a first spring, the lower end of the weak wind fatigue transfer rod is connected with the wind machine tower, the upper end of the weak wind fatigue transfer rod is hinged with the front end of the wind machine cabin body, one end of the first spring is fixedly connected with the middle part or the upper part of the weak wind fatigue transfer rod, the other end of the first spring is fixedly connected with the wind machine tower, the strong wind fatigue transfer structure comprises a strong wind fatigue transfer rod and a second spring, the lower end of the strong wind fatigue transfer rod is connected with the wind machine tower, the upper end of the, the first spring has elastic potential energy for pushing the upper end of the weak wind fatigue transfer rod away from the wind turbine tower, and the second spring has elastic potential energy for pulling the upper end of the strong wind fatigue transfer rod close to the wind turbine tower.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the number of the first springs is one, the number of the second springs is multiple, the lower end of the weak wind fatigue transfer rod is connected with the middle of the wind turbine tower, and the lower end of the strong wind fatigue transfer rod is connected with the lower part of the wind turbine tower.
The weak wind fatigue transfer rod and the strong wind fatigue transfer rod are connected with the wind turbine tower through a vertical chute structure, the vertical chute structure comprises a vertical chute arranged on the wind turbine tower, a third spring and a sliding block, wherein the third spring is installed in the vertical chute in a limiting mode, the lower end of the third spring is fixedly connected with the lower end of the vertical chute, the upper end of the third spring is fixedly connected with the sliding block, the sliding block is clamped in the vertical chute and can slide up and down along the vertical chute, and the sliding block is fixedly connected with the lower end of the corresponding weak wind fatigue transfer rod or the lower end of the corresponding strong wind fatigue transfer rod.
The wind turbine cabin body is slidably arranged in the horizontal sliding groove through the horizontal sliding device, the horizontal sliding device comprises a connecting seat, a front elastic buffering end, a rear elastic buffering end, a hydraulic buffer, a speed sensor and a pressure sensor, the connecting seat is arranged in the horizontal sliding groove in a front-back sliding manner, the wind turbine cabin body is fixedly arranged on the connecting seat, the front elastic buffering end is arranged at the front end of the horizontal sliding groove, the rear elastic buffering end is arranged at the rear end of the horizontal sliding groove, when the wind turbine cabin body moves back and forth, the front elastic buffering end and the rear elastic buffering end of the horizontal sliding groove can be correspondingly touched, so that the wind turbine cabin body is buffered and decelerated, the speed sensor is arranged on the connecting seat and is used for detecting the moving speed of the connecting seat, the hydraulic buffer is arranged at the rear end of the horizontal sliding groove, a hydraulic rod of the, the front end of the hydraulic rod is positioned in front of the rear elastic buffering end, the pressure sensor is installed at the front end of the hydraulic rod of the hydraulic buffer, and the connecting seat can contact with the hydraulic rod of the hydraulic buffer and extrude the pressure sensor when sliding backwards and backwards.
The hydraulic buffer is a hydraulic cylinder.
The wind pressure sensor is arranged at the front end of the cabin body of the wind turbine and used for sensing the incoming wind direction.
The rotating device comprises a rotatable chassis, a tower base and a driving motor, wherein the rotatable chassis is fixed on the ground, an annular rotating chute is formed in the upper surface of the rotatable chassis, the lower end of the tower base is installed in the rotating chute, the driving motor is fixed on the rotatable chassis and is in transmission connection with the tower base, the driving motor can drive the tower base to rotate on the rotating chute, and the bottom of the wind turbine tower is fixedly connected with the tower base.
The wind turbine tower is provided with a controller, the controller is respectively connected with the hydraulic buffer, the speed sensor, the pressure sensor, the wind pressure sensor and the driving motor, and the controller can receive signals of the speed sensor, the pressure sensor and the wind pressure sensor and control the hydraulic filling amount of the hydraulic buffer and the operation steps of the driving motor according to the signals.
The first spring is detachably arranged between the weak wind fatigue transfer rod and the wind turbine tower, and the second spring is detachably arranged between the strong wind fatigue transfer rod and the wind turbine tower.
The invention has the following advantages:
1. according to the wind turbine tower fatigue transfer structure, the weak wind fatigue transfer structure and the strong wind fatigue transfer structure are respectively arranged in the front and back directions of the wind turbine tower (the side with the wind turbine blades is the front side, and the side back to the wind turbine blades is the back side), and the two fatigue transfer structures can transfer most of deformation between the wind turbine cabin and the wind turbine tower to the first spring and the second spring which are easy to replace, so that the deformation amount of the tower barrel is reduced, the influence of alternating load on the tower barrel is reduced, and the service lives of the wind turbine cabin and the wind turbine tower are prolonged.
2. The vertical sliding groove structure is arranged, the vertical sliding groove can enable the strong wind fatigue transfer rod and the weak wind fatigue transfer rod to have certain sliding space, and the elastic buffer device ensures that the sliding speed of the strong wind fatigue transfer rod and the weak wind fatigue transfer rod cannot be too fast.
3. The horizontal sliding device is provided with a plurality of buffer structures, so that secondary impact on the tower drum caused by overlarge speed when the engine room moves can be prevented, an elastic buffer end and a hydraulic buffer are arranged in the horizontal sliding groove for graded braking, and the engine room can be slowly braked after reaching certain displacement.
Drawings
FIG. 1 is a state diagram of a wind turbine tower of the present invention in a breeze condition;
FIG. 2 is a state diagram of a wind turbine tower of the present invention in a high wind condition;
FIG. 3 is a schematic view of the vertical chute;
FIG. 4 is a side view of the vertical chute;
FIG. 5 is a schematic structural view of a horizontal chute;
fig. 6 is a schematic view of the structure of the rotating device.
The reference signs are: the wind turbine tower comprises a wind turbine tower 1, a horizontal sliding groove 11, a wind turbine cabin body 12, a weak wind fatigue transfer structure 2, a weak wind fatigue transfer rod 21, a first spring 22, a strong wind fatigue transfer structure 3, a strong wind fatigue transfer rod 31, a second spring 32, a vertical sliding groove structure 4, a vertical sliding groove 41, a third spring 42, a sliding block 43, a horizontal sliding device 5, a connecting seat 51, a front elastic buffer end 52, a rear elastic buffer end 53, a hydraulic buffer 54, a speed sensor 55, a pressure sensor 56, a rotating device 6, a rotatable chassis 61, a tower base 62 and a rotating sliding groove 63.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The wind turbine tower fatigue transfer structure of the embodiment comprises a wind turbine tower 1, wherein a rotating device 6 is installed at the bottom of the wind turbine tower 1, a wind turbine cabin 12 is installed at the upper end of the wind turbine tower 1, wind turbine blades are installed at the front end of the wind turbine cabin 12, and the wind turbine tower 1, the wind turbine cabin 12 and the wind turbine blades which can be driven by the rotating device 6 rotate together, and is characterized in that: the front side of a wind turbine tower 1 is provided with a weak wind fatigue transfer structure 2, the rear side of the wind turbine tower 1 is provided with a strong wind fatigue transfer structure 3, the top of the wind turbine tower 1 is provided with a horizontal chute 11, the horizontal chute 11 runs forwards and backwards, a wind turbine cabin body 12 is slidably arranged in the horizontal chute 11, the weak wind fatigue transfer structure 2 comprises a weak wind fatigue transfer rod 21 and a first spring 22, the lower end of the weak wind fatigue transfer rod 21 is connected with the wind turbine tower 1, the upper end of the weak wind fatigue transfer rod is hinged with the front end of the wind turbine cabin body 12, one end of the first spring 22 is fixedly connected with the middle part or the upper part of the weak wind fatigue transfer rod 21, the other end of the first spring is fixedly connected with the wind turbine tower 1, the strong wind fatigue transfer structure 3 comprises a strong wind fatigue transfer rod 31 and a second spring 32, the lower end of the strong wind fatigue transfer rod 31 is connected with the wind turbine tower 1, the other end is fixedly connected with the wind turbine tower 1, the first spring 22 has elastic potential energy for pushing the upper end of the weak wind fatigue transfer rod 21 away from the wind turbine tower 1, and the second spring 32 has elastic potential energy for pulling the upper end of the strong wind fatigue transfer rod 31 close to the wind turbine tower 1.
In the embodiment, the number of the first springs 22 is one, the number of the second springs 32 is multiple, the lower end of the weak wind fatigue transfer rod 21 is connected with the middle part of the wind turbine tower 1, and the lower end of the strong wind fatigue transfer rod 31 is connected with the lower part of the wind turbine tower 1.
In the embodiment, both the weak wind fatigue transfer rod 21 and the strong wind fatigue transfer rod 31 are connected with the wind turbine tower 1 through the vertical chute structure 4, the vertical chute structure 4 includes a vertical chute 41, a third spring 42 and a sliding block 43, which are arranged on the wind turbine tower 1, wherein the third spring 42 is installed in the vertical chute 41 in a limited manner, the lower end of the third spring 42 is fixedly connected with the lower end of the vertical chute 41, the upper end of the third spring 42 is fixedly connected with the sliding block 43, the sliding block 43 is clamped in the vertical chute 41 and can slide up and down along the vertical chute 41, and the sliding block 43 is fixedly connected with the lower end of the corresponding weak wind fatigue transfer rod 21 or the corresponding strong wind fatigue transfer rod 31.
In the embodiment, the wind turbine body 12 is slidably installed in the horizontal sliding slot 11 through the horizontal sliding device 5, the horizontal sliding device 5 includes a connection seat 51, a front elastic buffer end 52, a rear elastic buffer end 53, a hydraulic buffer 54, a speed sensor 55 and a pressure sensor 56, the connection seat 51 is installed in the horizontal sliding slot 11 in a front-rear sliding manner, the wind turbine body 12 is fixedly installed on the connection seat 51, the front elastic buffer end 52 is installed at the front end of the horizontal sliding slot 11, the rear elastic buffer end 53 is installed at the rear end of the horizontal sliding slot 11, when the wind turbine body 12 moves forward and backward, the front elastic buffer end 52 and the rear elastic buffer end 53 of the horizontal sliding slot 11 can be correspondingly touched, so that the wind turbine body 12 can buffer and decelerate, the speed sensor 55 is installed on the connection seat 51 and is used for detecting the moving speed of the connection seat, the hydraulic rod of the hydraulic buffer 54 extends forwards and can stretch back and forth, the hydraulic buffer 54 is located behind the rear elastic buffer end 53, the front end of the hydraulic rod is located in front of the rear elastic buffer end 53, the pressure sensor 56 is mounted at the front end of the hydraulic rod of the hydraulic buffer 54, and when the connecting seat 51 slides backwards and backwards, the connecting seat can contact the hydraulic rod of the hydraulic buffer 54 and extrude the pressure sensor 56.
The front elastic buffer end 52 and the rear elastic buffer end 53 are rubber pads.
In the embodiment, the hydraulic damper 54 is a hydraulic cylinder.
In the embodiment, a wind pressure sensor is installed at the front end of the wind turbine nacelle 12, and the wind pressure sensor is used for sensing the incoming wind direction.
In an embodiment, the rotating device 6 includes a rotatable chassis 61, a tower base 62 and a driving motor, the rotatable chassis 61 is fixed on the ground, an annular rotating chute 63 is provided on the upper surface of the rotatable chassis 61, the lower end of the tower base 62 is installed in the rotating chute 63, the driving motor is fixed on the rotatable chassis 61, and the driving motor is in transmission connection with the tower base 62, the driving motor can drive the tower base 62 to rotate on the rotating chute 63, and the bottom of the wind turbine tower 1 is fixedly connected with the tower base 62.
In the embodiment, the wind turbine tower 1 is provided with a controller, the controller is respectively connected with the hydraulic buffer 54, the speed sensor 55, the pressure sensor 56, the wind pressure sensor and the driving motor, and the controller can receive signals of the speed sensor 55, the pressure sensor 56 and the wind pressure sensor and control the hydraulic filling amount of the hydraulic buffer 54 and the operation steps of the driving motor according to the signals.
In the embodiment, the first spring 22 is detachably installed between the weak wind fatigue transferring rod 21 and the wind turbine tower 1, and the second spring 32 is detachably installed between the strong wind fatigue transferring rod 31 and the wind turbine tower 1.
The wind turbine tower fatigue transfer structure has the following use modes: the wind turbine cabin body 12 is provided with a wind pressure sensor, the wind pressure sensor is used for sensing the incoming wind direction, the wind pressure sensor transmits the sensed wind direction to a controller, the wind pressure sensor and the controller can select common wind pressure sensors and single-chip microcomputers in the market, the controller controls a driving motor to drive a tower base 62 to rotate according to the wind direction, so that the front side of the wind turbine cabin body 12 is the windward side, when the external wind force is small, the state of the wind turbine is as shown in figure 1, at the moment, the external wind force is not enough to resist the elastic force of a first spring 22, the lower end of a weak wind fatigue transfer rod 21 is positioned at the position close to a self vertical chute 41, the upper end of the weak wind fatigue transfer rod 21 is pushed by the first spring 22 to be far away from the wind turbine tower 1, at the moment, a second spring 32 pulls a strong wind fatigue transfer rod 31 to be attached to the side, when the wind power is increased, the wind turbine cabin 12 is pushed by the direction of the strong wind fatigue transfer structure 3, the first spring 22 is further compressed, the second spring 32 is further stretched, and at a new position, the acting force of the first spring 22 and the second spring 32 on the wind turbine cabin 12 is balanced with the wind power, the state of the invention capable of resisting the maximum wind power is shown in fig. 2, at this time, the second spring 32 is stretched to the longest, the lower end of the strong wind fatigue transfer rod 31 is located at the position above the corresponding vertical chute 41, the first spring 22 is compressed to the shortest, the lower end of the weak wind fatigue transfer rod 21 is located at the position below the vertical chute 41, during the movement of the wind turbine cabin 12, the speed sensor 55 is used for detecting the movement speed of the wind turbine cabin 12, the front elastic buffer end 52 and the rear elastic buffer end 53 are used for preventing the wind turbine cabin 12 from rigidly touching the end of the horizontal chute 11, the wind turbine cabin body 12 and the horizontal chute 11 are protected, because the wind turbine cabin body 12 moves towards the direction of the strong wind fatigue transfer structure 3 when the wind is strong, the speed is possibly high, only the rear elastic buffer end 53 is arranged, the brake stroke is short, and the wind turbine cabin body 12 cannot be decelerated stably, the hydraulic buffer 54 is designed, the length of a hydraulic rod of the hydraulic buffer 54 can be changed under the action of external pressure, the hydraulic buffer 54 can change the elasticity of the hydraulic rod by changing the hydraulic pressure in the hydraulic cylinder, when the wind turbine cabin body 12 moves too fast, the controller feeds back according to the speed of the speed sensor 55, controls the hydraulic buffer 54 to correspondingly improve the elasticity of the hydraulic rod, and the wind turbine cabin body 12 is fully buffered before touching the rear elastic buffer end 53.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (9)
1. The utility model provides a wind turbine tower fatigue shifts structure, includes wind turbine tower (1), the bottom of wind turbine tower (1) install rotating device (6), wind turbine tower (1) upper end install wind turbine cabin body (12), wind turbine cabin body (12) front end install the wind turbine blade, wind turbine tower (1), wind turbine cabin body (12) and the wind turbine blade that rotating device (6) can drive rotate together, characterized by: the wind turbine fatigue transfer structure comprises a wind turbine tower (1), a weak wind fatigue transfer structure (2) is installed on the front side of the wind turbine tower (1), a strong wind fatigue transfer structure (3) is installed on the rear side of the wind turbine tower (1), a horizontal chute (11) is arranged at the top of the wind turbine tower (1), the horizontal chute (11) runs forward and backward, a wind turbine cabin (12) is slidably installed in the horizontal chute (11), the weak wind fatigue transfer structure (2) comprises a weak wind fatigue transfer rod (21) and a first spring (22), the lower end of the weak wind fatigue transfer rod (21) is connected with the wind turbine tower (1), the upper end of the weak wind fatigue transfer rod is hinged with the front end of the wind turbine cabin (12), one end of the first spring (22) is fixedly connected with the middle or upper part of the weak wind fatigue transfer rod (21), the other end of the first spring is fixedly connected with the wind turbine tower (1), the strong wind fatigue transfer structure (3) comprises a strong wind fatigue transfer rod (31, the lower end of the strong wind fatigue transfer rod (31) is connected with the wind turbine tower (1), the upper end of the strong wind fatigue transfer rod is hinged with the rear end of the wind turbine cabin body (12), one end of the second spring (32) is fixedly connected with the middle or upper part of the strong wind fatigue transfer rod (31), the other end of the second spring is fixedly connected with the wind turbine tower (1), the first spring (22) has elastic potential energy for pushing the upper end of the weak wind fatigue transfer rod (21) away from the wind turbine tower (1), and the second spring (32) has elastic potential energy for pulling the upper end of the strong wind fatigue transfer rod (31) close to the wind turbine tower (1).
2. The wind turbine tower fatigue transfer structure of claim 1, wherein: the wind turbine tower is characterized in that the number of the first springs (22) is one, the number of the second springs (32) is multiple, the lower end of the weak wind fatigue transfer rod (21) is connected with the middle of the wind turbine tower (1), and the lower end of the strong wind fatigue transfer rod (31) is connected with the lower part of the wind turbine tower (1).
3. The wind turbine tower fatigue transfer structure of claim 2, wherein: the weak wind fatigue transfer rod (21) and the strong wind fatigue transfer rod (31) are connected with a wind turbine tower (1) through a vertical chute structure (4), the vertical chute structure (4) comprises a vertical chute (41), a third spring (42) and a sliding block (43), the vertical chute, the third spring (42) and the sliding block (43) are arranged on the wind turbine tower (1), the third spring (42) is installed in the vertical chute (41) in a limiting mode, the lower end of the third spring (42) is fixedly connected with the lower end of the vertical chute (41), the upper end of the third spring (42) is fixedly connected with the sliding block (43), the sliding block (43) is clamped in the vertical chute (41) and can slide up and down along the vertical chute (41), and the sliding block (43) is fixedly connected with the lower end of the corresponding weak wind fatigue transfer rod (21) or the lower end of the strong wind fatigue transfer rod (31).
4. The wind turbine tower fatigue transfer structure of claim 3, wherein: the wind turbine cabin body (12) is slidably arranged in the horizontal sliding groove (11) through a horizontal sliding device (5), the horizontal sliding device (5) comprises a connecting seat (51), a front elastic buffering end (52), a rear elastic buffering end (53), a hydraulic buffer (54), a speed sensor (55) and a pressure sensor (56), the connecting seat (51) is slidably arranged in the horizontal sliding groove (11) front and back, the wind turbine cabin body (12) is fixedly arranged on the connecting seat (51), the front elastic buffering end (52) is arranged at the front end of the horizontal sliding groove (11), the rear elastic buffering end (53) is arranged at the rear end of the horizontal sliding groove (11), and when the wind turbine cabin body (12) moves back and forth, the wind turbine cabin body (12) can correspondingly touch the front elastic buffering end (52) and the rear elastic buffering end (53) of the horizontal sliding groove (11) so as to buffer and decelerate the wind turbine cabin body (12), the speed sensor (55) is arranged on the connecting seat (51) and used for detecting the moving speed of the connecting seat (51), the hydraulic buffer (54) is arranged at the rear end of the horizontal sliding groove (11), a hydraulic rod of the hydraulic buffer (54) extends forwards and can stretch forwards and backwards, the hydraulic buffer (54) is positioned behind the rear elastic buffer end (53), the front end of the hydraulic rod is positioned in front of the rear elastic buffer end (53), the front end of the hydraulic rod of the hydraulic buffer (54) is provided with the pressure sensor (56), and when the connecting seat (51) slides backwards, the hydraulic rod of the hydraulic buffer (54) can be contacted and extrude the pressure sensor (56).
5. The wind turbine tower fatigue transfer structure of claim 4, wherein: the hydraulic buffer (54) is a hydraulic cylinder.
6. The wind turbine tower fatigue transfer structure of claim 5, wherein: the front end of the wind machine cabin body (12) is provided with a wind pressure sensor which is used for sensing the incoming wind direction.
7. The wind turbine tower fatigue transfer structure of claim 6, wherein: the rotating device (6) comprises a rotatable chassis (61), a tower base (62) and a driving motor, wherein the rotatable chassis (61) is fixed on the ground, an annular rotating chute (63) is formed in the upper surface of the rotatable chassis (61), the lower end of the tower base (62) is installed in the rotating chute (63), the driving motor is fixed on the rotatable chassis (61) and is in transmission connection with the tower base (62), the driving motor can drive the tower base (62) to rotate on the rotating chute (63), and the bottom of the wind turbine tower (1) is fixedly connected with the tower base (62).
8. The wind turbine tower fatigue transfer structure of claim 7, wherein: the wind turbine tower (1) on install the controller, the controller respectively with hydraulic buffer (54), speed sensor (55), pressure sensor (56), wind pressure sensor and driving motor be connected, the controller can receive speed sensor (55), pressure sensor (56), wind pressure sensor's signal to hydraulic pressure filling volume and driving motor's the operation step number according to this signal control hydraulic buffer (54).
9. The wind turbine tower fatigue transfer structure of claim 8, wherein: the first spring (22) is detachably arranged between the weak wind fatigue transfer rod (21) and the wind turbine tower (1), and the second spring (32) is detachably arranged between the strong wind fatigue transfer rod (31) and the wind turbine tower (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911109954.5A CN110714884B (en) | 2019-11-14 | 2019-11-14 | Wind turbine tower fatigue transfer structure |
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|---|---|---|---|
| CN201911109954.5A CN110714884B (en) | 2019-11-14 | 2019-11-14 | Wind turbine tower fatigue transfer structure |
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| CN110714884A true CN110714884A (en) | 2020-01-21 |
| CN110714884B CN110714884B (en) | 2020-08-28 |
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| CN110159496A (en) * | 2019-05-29 | 2019-08-23 | 南京航空航天大学 | A kind of wind energy conversion system of inhibition machine top swing |
| CN110296048A (en) * | 2019-06-17 | 2019-10-01 | 华中科技大学 | A kind of wind turbine power generation equipment with vibration-damping function |
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| CN102444684A (en) * | 2011-11-14 | 2012-05-09 | 江苏宇杰钢机有限公司 | Vibration absorber for cycloid type wind driven generator tower |
| CN105298198A (en) * | 2015-11-19 | 2016-02-03 | 同济大学 | Buckling prevention and vibration attenuation device suitable for conical tower tube structure of wind power tower |
| CN106703246A (en) * | 2016-12-16 | 2017-05-24 | 中铁二十四局集团安徽工程有限公司 | Combined basin-shaped hybrid tuning damper for wind power generation tower |
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| CN108252870A (en) * | 2018-03-19 | 2018-07-06 | 郑州恒之博新能源科技有限公司 | One kind collaborates formula high-efficient wind generating tower |
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| CN110296048A (en) * | 2019-06-17 | 2019-10-01 | 华中科技大学 | A kind of wind turbine power generation equipment with vibration-damping function |
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