CN112555104A - Anti-torsion composite mass damper for tower of wind generating set - Google Patents

Anti-torsion composite mass damper for tower of wind generating set Download PDF

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Publication number
CN112555104A
CN112555104A CN202011389674.7A CN202011389674A CN112555104A CN 112555104 A CN112555104 A CN 112555104A CN 202011389674 A CN202011389674 A CN 202011389674A CN 112555104 A CN112555104 A CN 112555104A
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CN
China
Prior art keywords
limiting
seat
tower
generating set
wind generating
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Granted
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CN202011389674.7A
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Chinese (zh)
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CN112555104B (en
Inventor
朱成顺
杨凯航
吕珏
谭飞
潘晨辉
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Jiangsu Tieke New Material Co ltd
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Jiangsu Tieke New Material Co ltd
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Priority to CN202011389674.7A priority Critical patent/CN112555104B/en
Publication of CN112555104A publication Critical patent/CN112555104A/en
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Publication of CN112555104B publication Critical patent/CN112555104B/en
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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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • 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 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0296—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/14—Ball joints; Spherical support elements
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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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)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention belongs to wind power generation equipment, and relates to an anti-torsion composite mass damper for a tower cylinder of a wind generating set. The wind power generation device comprises a hinged support fixedly connected with the inner wall of a tower cylinder of the wind power generation device and a spherical hinge assembly mounted on the hinged support in a hanging manner; the spherical hinge assembly comprises a cross beam positioned above the hinge seat, a convex block with a spherical surface and arranged at the lower end of the cross beam, and a swing seat positioned below the hinge seat and fixedly connected with the cross beam through a connecting plate; a suspension component is connected below the swing seat; the convex block is matched and contacted with a concave block with a spherical concave cavity arranged on the hinged support through a spherical surface to form a spherical hinge joint; the hinge seat is fixedly provided with a vertical limiting pin, and the longitudinal sides and the transverse sides of the swing seat are respectively provided with an elastic limiting part capable of limiting the longitudinal swing and the transverse swing of the limiting pin. The invention can effectively compensate the swing of the tower drum, and has simple structure, convenient manufacture and installation, reliable operation and long service life.

Description

Anti-torsion composite mass damper for tower of wind generating set
Technical Field
The invention belongs to wind power generation equipment, and relates to an anti-torsion composite mass damper for a tower cylinder of a wind generating set.
Background
The tower drum of the wind power generation equipment is influenced by wind force to swing in the operation process, and the safe operation of the equipment is influenced by overlarge swing amplitude, so that a damping device is usually required to be arranged in the tower drum to compensate and reduce the swing of the tower drum and the vibration in the operation process. The existing mass damping device usually adopts a suspension limiting component with certain mass to limit the motion of the tower drum, but most of the existing mass damping devices have the defects of complex structure, poor running reliability, inconvenience in installation and debugging, poor damping effect, short service life and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing the anti-twisting composite mass damper for the tower barrel of the wind generating set, which can effectively compensate the swing of the tower barrel, has the advantages of simple structure, convenient manufacture and installation, reliable operation and long service life.
The invention relates to an anti-torsion composite mass damper for a tower barrel of a wind generating set, which comprises a hinged support fixedly connected with the inner wall of the tower barrel of wind generating equipment and a spherical hinge assembly arranged on the hinged support in a hanging manner; the spherical hinge assembly comprises a cross beam positioned above the hinge seat, a convex block with a spherical surface and arranged at the lower end of the cross beam, and a swing seat positioned below the hinge seat and fixedly connected with the cross beam through a connecting plate; a suspension component is connected below the swing seat; the convex block is matched and contacted with a concave block with a spherical concave cavity arranged on the hinged support through a spherical surface to form a spherical hinge joint; the hinge seat is fixedly provided with a vertical limiting pin, and the longitudinal two sides and the transverse two sides of the swing seat are respectively provided with an elastic limiting part capable of limiting the longitudinal and transverse swing angles of the limiting pin.
Furthermore, two limiting pins are respectively arranged on two transverse sides of the hinged support, and the outer side surfaces of the two limiting pins are respectively limited relative to the elastic limiting pieces on the two transverse sides of the swing support.
Furthermore, a sliding block capable of longitudinally sliding along the longitudinal guide rail is arranged on the swing seat, a transverse limiting groove is formed in the sliding block, the lower section of the limiting pin is located in the limiting groove and can stir the sliding block to longitudinally slide back and forth, and correspondingly, the front end face and the rear end face of the sliding block are respectively limited relative to the elastic limiting pieces located on the two longitudinal sides of the swing seat.
Furthermore, the limiting pin is contacted with the inner wall of the limiting groove through a limiting head at the lower end of the limiting pin, the front end and the rear end of the longitudinal section of the limiting head are arc-shaped, and the arc-shaped part is in transverse line contact with the inner wall of the limiting groove, so that the longitudinal movement of the sliding block can be pushed, and the torsion of the spherical hinge assembly around a vertical height shaft is limited.
Furthermore, the elastic limiting part comprises a spring seat fixedly mounted on the swing seat, a spring mounted on the inner side of the spring seat, and a limiting plate mounted at the inner side end of the spring.
Further, the solid part of the cavity of the concave block, which is contacted with the convex block, is made of wear-resistant material.
Further, the suspension component comprises a check device and a connecting piece for connecting the check device to the swing seat; the non-return device comprises a plurality of vibration reduction blocks which are arranged along the circumference, the upper ends of the vibration reduction blocks are fixedly connected with the connecting piece, and the lower ends of the vibration reduction blocks are respectively connected to a non-return seat through rubber vibration reduction pads.
Furthermore, an anti-collision plate covers the outer ring of the check seat; the anti-collision plate can be made of nylon materials or other polymer composite toughening materials.
The advantages of the invention are embodied in that:
1. the whole structure is simple, the disassembly and the assembly are convenient, and the manufacturing cost is low.
2. The swing seat is limited in transverse and longitudinal swinging through the elastic limiting part on the swing seat, and meanwhile, the swing seat is limited in torsion around a vertical shaft through line contact between the limiting head and the limiting groove, so that the integral limiting requirement of a suspension component is met.
3. The upper limit angle of the swing seat rotating around the transverse shaft and the longitudinal shaft can be adjusted within a certain range by changing the matching size of the limiting head and the limiting groove, so that the requirements of different products are met.
4. The cambered surface of the limiting head is contacted with the inner wall of the limiting groove, so that the resistance of the swing seat in the rotation along the transverse shaft and the relative friction of the swing seat and the sliding block is reduced, and the action reliability is improved.
5. The concave cavity contacted with the spherical hinge can be made of high-molecular wear-resistant materials, so that the flexibility of joint rotation is ensured, the friction loss is greatly reduced, and the service life of the concave block is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the wobble seat portion of an embodiment of the present invention;
FIG. 3 is a longitudinal cross-sectional view of a portion of the wobble seat of an embodiment of the present invention;
fig. 4 is a schematic perspective view of a check device according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the anti-twisting composite mass damper for the tower cylinder of the wind generating set in the embodiment of the invention comprises a hinged support 1 fixedly connected with the inner wall of the tower cylinder of the wind generating set and a spherical hinge assembly 2 mounted on the hinged support in a hanging manner; the spherical hinge assembly comprises a cross beam 21 positioned above the hinge seat, a convex block 22 (see fig. 2) with a spherical surface and arranged at the lower end of the cross beam, and a swing seat 24 positioned below the hinge seat and fixedly connected with the cross beam through a connecting plate 23; the lower part of the swing seat is connected with a suspension component.
As shown in fig. 2, the convex block 22 forms a spherical hinge joint by the spherical surface in matching contact with the concave block 11 with a spherical cavity mounted on the hinge base 1, so that the spherical hinge assembly 2 and the hinge base 1 can swing relatively.
As shown in fig. 2 and 3, a vertical limit pin 13 is fixedly mounted on the hinge base 1, and elastic limit pieces 25 capable of limiting the longitudinal and transverse swinging of the limit pin 13 are respectively disposed on the longitudinal side and the transverse side of the swing base 24.
As shown in fig. 2, two lateral sides of the hinge base 1 are respectively provided with a limit pin 13, and the lateral outer sides of the two limit pins are respectively limited relative to the elastic limit pieces 25 located at the two lateral sides of the swing base.
As shown in fig. 3, the swing seat 24 is provided with a sliding block 27 capable of longitudinally sliding along the longitudinal guide rail 26, the sliding block is provided with a transverse limiting groove 271, the lower section of the limiting pin 13 is located in the limiting groove 271 so as to shift the sliding block 27 to longitudinally slide back and forth, and correspondingly, the front end surface and the rear end surface of the sliding block 27 are respectively limited relative to the elastic limiting members 25 located at the two longitudinal sides of the swing seat. The limiting pin 13 is contacted with the inner wall of the limiting groove 271 through the limiting head 131 at the lower end of the limiting pin, the front end and the rear end of the longitudinal section of the limiting head 131 are arc-shaped, so that the resistance of the swinging seat in relative friction with the sliding block in the rotation along the transverse axis is reduced, and meanwhile, the arc-shaped part is in transverse line contact with the inner wall of the limiting groove, so that the torsion of the spherical hinge assembly along the vertical axis is limited.
The elastic limiting member 25 in fig. 2 and 3 includes a spring seat 251 fixedly mounted on the swing seat, a spring 252 mounted on the inner side of the spring seat, and a limiting plate 253 mounted on the inner end of the spring.
As shown in fig. 2, the solid part of the concave cavity where the concave block 11 contacts the convex block 22 is made of high molecular wear-resistant material, and its wear-resistant and self-lubricating properties can improve the service life of the spherical hinge, increase the product maintenance period, and save the operation cost.
As shown in fig. 1, the suspension member includes a check device 3 and a connecting member 4 connecting the check device to the swing seat 24. As shown in fig. 4, the check device 3 includes a plurality of damping blocks 31 arranged along the circumference, the upper ends of the damping blocks 31 are fixedly connected with the connecting member 4, and the lower ends of the damping blocks 31 are respectively connected to a check seat 33 through rubber damping pads 32. The outer ring of the check seat 33 is covered with an anti-collision plate 34, and the anti-collision plate 34 is made of nylon or other high polymer composite toughening materials. The upper portion and the lower portion of the whole check device are connected through the vibration damping material, and the collision with the inner wall of the tower barrel of the wind power equipment can be buffered while the swing range of the check device is limited.
In the working process of the invention, when the hinged support swings along with the tower drum of the wind power equipment, the spherical hinge assembly and the lower suspension component swing relative to the hinged support, so that the counterforce damping is generated, and the swing amplitude of the tower drum is reduced.

Claims (10)

1. An anti-torsion composite mass damper for a tower cylinder of a wind generating set comprises a hinged support (1) fixedly connected with the inner wall of the tower cylinder of the wind generating set and a spherical hinge assembly (2) mounted on the hinged support in a hanging manner; the method is characterized in that: the spherical hinge assembly comprises a cross beam (21) positioned above the hinge seat, a convex block (22) which is arranged at the lower end of the cross beam and provided with a spherical surface, and a swing seat (24) which is positioned below the hinge seat and fixedly connected with the cross beam through a connecting plate (23); the lower part of the swing seat is connected with a suspension component; the convex block (22) is matched and contacted with a concave block (11) with a spherical concave cavity arranged on the hinge base (1) through a spherical surface to form a spherical hinge joint.
2. The anti-twisting composite mass damper for the tower of the wind generating set according to claim 1, which is characterized in that: the hinge seat (1) is fixedly provided with a vertical limit pin (13), and meanwhile, elastic limit parts (25) capable of limiting the longitudinal and transverse swinging of the limit pin (13) are respectively arranged on the longitudinal side and the transverse side of the swing seat (24).
3. The anti-twisting composite mass damper for the tower of the wind generating set according to claim 2, wherein: the two transverse sides of the hinged support (1) are respectively provided with a limiting pin (13), and the transverse outer side surfaces of the two limiting pins (13) are respectively limited relative to the elastic limiting parts (25) positioned on the two transverse sides of the swing support.
4. The anti-twisting composite mass damper for the tower of the wind generating set according to claim 2, wherein: the swing seat (24) is provided with a sliding block (27) capable of longitudinally sliding along the longitudinal guide rail (26), the sliding block is provided with a transverse limiting groove (271), the lower section of the limiting pin (13) is positioned in the limiting groove (271) so as to shift the sliding block (27) to longitudinally slide back and forth, and correspondingly, the front end surface and the rear end surface of the sliding block (27) are respectively and relatively limited with the elastic limiting parts (25) positioned on the longitudinal two sides of the swing seat.
5. The anti-torsion composite mass damper for the tower of the wind generating set according to claim 4, wherein: the limiting pin (13) is contacted with the inner wall of the limiting groove (271) through a limiting head (131) at the lower end of the limiting pin, the front end and the rear end of the longitudinal section of the limiting head (131) are arc-shaped, and the arc-shaped part is in transverse line contact with the inner wall of the limiting groove.
6. The anti-torsion composite mass damper for the tower of the wind generating set according to any one of claims 2 to 5, wherein: the elastic limiting piece (25) comprises a spring seat (251) fixedly installed on the swing seat, a spring (252) installed on the inner side of the spring seat, and a limiting plate (253) installed on the inner side end of the spring.
7. The anti-twisting composite mass damper for the tower of the wind generating set according to claim 1, which is characterized in that: the concave cavity solid part of the concave block (11) contacted with the convex block (22) is made of wear-resistant material.
8. The anti-twisting composite mass damper for the tower of the wind generating set according to claim 1, which is characterized in that: the suspension component comprises a check device (3) and a connecting piece (4) for connecting the check device to the swing seat (24); the check device (3) comprises a plurality of vibration reduction blocks (31) which are arranged along the circumference, the upper ends of the vibration reduction blocks (31) are fixedly connected with the connecting piece (4), and the lower ends of the vibration reduction blocks (31) are respectively connected to a check seat (33) through rubber vibration reduction pads (32).
9. The anti-twist composite mass damper for the tower of the wind generating set according to claim 8, wherein: the outer ring of the check seat (33) is covered with an anti-collision plate (34).
10. The anti-twist composite mass damper for the tower of the wind generating set according to claim 9, wherein: the bumper plate (34) is made of a nylon material.
CN202011389674.7A 2020-12-01 2020-12-01 Anti-torsion composite mass damper for tower of wind generating set Active CN112555104B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117738854A (en) * 2023-12-28 2024-03-22 无锡恒畅复合材料有限公司 Tower damper

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117738854A (en) * 2023-12-28 2024-03-22 无锡恒畅复合材料有限公司 Tower damper
CN117738854B (en) * 2023-12-28 2024-07-05 无锡恒畅复合材料有限公司 Tower damper

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