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CN-121977041-A - Tower section of thick bamboo attenuator

CN121977041ACN 121977041 ACN121977041 ACN 121977041ACN-121977041-A

Abstract

The invention discloses a tower damper, which relates to the technical field of dampers and comprises a connecting piece, two guide rails and two mass bodies, wherein the first mass body and the second mass body are connected through the flexible connecting piece, so that the movable range of the first mass body and the second mass body is limited while the relative movement between the first mass body and the second mass body is ensured, when the tower is swayed, the first mass body and the second mass body respectively move on the first guide rail and the second guide rail, the first mass body and the second mass body can relatively move within a certain range, and the two mass bodies respectively move on the two guide rails through the arrangement of the two mass bodies, so that energy consumption is better, and a better vibration inhibiting effect is realized.

Inventors

  • XING YING
  • XU XIANPING

Assignees

  • 无锡恒畅复合材料有限公司

Dates

Publication Date
20260505
Application Date
20260324

Claims (10)

  1. 1. The tower damper is characterized by comprising a connecting piece (500), two guide rails and two mass bodies, wherein the two guide rails are a first guide rail (200) and a second guide rail (400) respectively, the two mass bodies are a first mass body (100) and a second mass body (300) respectively, and the first guide rail (200) and the second guide rail (400) are sequentially arranged from top to bottom; the first mass body (100) is arranged on the first guide rail (200) in a sliding manner, and the second mass body (300) is arranged on the second guide rail (400) in a sliding manner; The first mass body (100) and the second mass body (300) are connected through the connecting piece (500); the connector (500) is a flexible connector.
  2. 2. A tower damper according to claim 1, wherein the first rail (200) and/or the second rail (400) are/is curved rails or linear rails, and the inner side of the curved rails is directed upwards if the first rail (200) and/or the second rail (400) are/is curved rails.
  3. 3. The tower damper according to claim 2, wherein the first mass (100) comprises a first upper mass (110), a first lower mass (120), a first frame (130) and a first roller (140), the first upper mass (110) and the first lower mass (120) being disposed above and below the first frame (130), respectively; The first frame body (130) is sleeved on the first guide rail (200), the first roller (140) is arranged on the first frame body (130), and the first roller (140) is arranged on the top surface of the first guide rail (200).
  4. 4. The tower damper according to claim 2, wherein the second mass body (300) comprises a second upper mass body (110), a second lower mass body (320), a second frame body (330) and a second roller (340), and the second upper mass body (310) and the second lower mass body (320) are respectively disposed above and below the second frame body (330); The second frame body (330) is sleeved on the second guide rail (400), the second roller (340) is arranged on the second frame body (330), and the second roller (340) is arranged on the top surface of the second guide rail (400).
  5. 5. A tower damper according to any of the claims 1-4, wherein the mass ratio between the mass of said first mass (100) and the mass of said second mass (300) ranges from 1 to 9 to 1.
  6. 6. A tower damper according to any of the claims 1-4, wherein said connecting member (500) comprises a plurality of connecting ropes, both ends of said connecting ropes being connected to said first mass body (100) and said second mass body (300), respectively.
  7. 7. A tower damper according to any one of claims 1-4, wherein a plurality of connecting members (500) are provided, the connecting members (500) comprise a telescopic member (510) and a connecting seat (520), the connecting seat (520) is arranged on the second mass body (300), one end of the telescopic member (510) is connected with the first mass body (300), and the other end is connected with the connecting seat (520) in a spherical hinge manner.
  8. 8. The tower damper according to claim 2, wherein when the guide rail is the linear guide rail, a gear (800) is provided on the mass body on the linear guide rail, and a rack (600) or a toothed belt is provided on the linear guide rail; The gear (800) is meshed with the rack (600) or the toothed belt, a motor (700) is arranged on the gear (800), and an output shaft of the motor (700) is coaxially connected with the gear (800); the axial direction of the gear (800) is towards the vertical direction or the horizontal direction.
  9. 9. The tower damper of claim 2, wherein the guide rail is provided with a conductor, and the mass body is provided with a magnet; Or the guide rail is provided with a magnet, and the mass body is provided with a conductor; When the mass body moves, the magnet and the conductor do cutting magnetic induction line movement.
  10. 10. A tower damper according to claim 2, wherein said first rail (200) is said arcuate rail and said second rail (400) is said linear rail.

Description

Tower section of thick bamboo attenuator Technical Field The invention relates to the technical field of dampers, in particular to a tower damper. Background The wind power generation means that the kinetic energy of wind is converted into mechanical kinetic energy, and then the mechanical energy is converted into electric kinetic energy, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates to generate electricity under the drive of the wind wheel shaft, so that the wind power generation device is an important form of wind power utilization. The tower damper is a 'sea-going needle' of a wind generating set, and has the core effects of preventing the tower from resonating, fatigue damage and even tower falling accidents under strong wind (especially typhoon) or running load by consuming vibration energy, and when the tower shakes in one direction, a mass block or fluid in the damper moves in the opposite direction to generate reverse acting force, so that the tower is pulled like a 'tug-of-war'. The tower damper in the related art is generally composed of a mass block, and when the tower shakes, the mass block swings to realize vibration suppression, and the vibration suppression effect is poor because the structure is simpler. In view of this, there is a need for a tower damper. Disclosure of Invention The present invention solves the problems of the prior art with the following technical structure. In order to achieve the above purpose, the invention adopts the following technical scheme: The tower damper comprises a connecting piece, two guide rails and two mass bodies, wherein the two guide rails are a first guide rail and a second guide rail respectively, the two mass bodies are a first mass body and a second mass body respectively, and the first guide rail and the second guide rail are sequentially arranged from top to bottom; the first mass body is arranged on the first guide rail in a sliding manner, and the second mass body is arranged on the second guide rail in a sliding manner; The first mass body and the second mass body are connected through the connecting piece; the connecting piece is a flexible connecting piece. The first guide rail and/or the second guide rail are/is arc guide rails or linear guide rails, and if the first guide rail and/or the second guide rail are/is arc guide rails, the inner side of the arc guide rails faces upwards. The first mass body comprises a first upper mass body, a first lower mass body, a first frame body and a first roller, and the first upper mass body and the first lower mass body are respectively arranged above and below the first frame body; the first frame body is sleeved on the first guide rail, the first roller is arranged on the first frame body, and the first roller is arranged on the top surface of the first guide rail. The second mass body comprises a second upper mass body, a second lower mass body, a second frame body and a second roller, and the second upper mass body and the second lower mass body are respectively arranged above and below the second frame body; The second frame body is sleeved on the second guide rail, the second roller is arranged on the second frame body, and the second roller is arranged on the top surface of the second guide rail. The mass ratio between the mass of the first mass and the mass of the second mass ranges from 1 to 9 to 1. The connecting piece comprises a plurality of connecting ropes, and two ends of the connecting ropes are respectively connected with the first mass body and the second mass body. The connecting piece is provided with a plurality of, the connecting piece includes extensible member and connecting seat, the connecting seat set up in on the second quality body, the one end of extensible member with first quality body is connected, the other end with the connecting seat spherical hinge is connected. When the guide rail is the linear guide rail, a gear is arranged on the mass body on the linear guide rail, and a rack or a toothed belt is arranged on the linear guide rail; The gear is meshed with the rack or the toothed belt, a motor is arranged on the gear, and an output shaft of the motor is coaxially connected with the gear; the axial direction of the gear faces to the vertical direction or the horizontal direction. The guide rail is provided with a conductor, and the mass body is provided with a magnet; Or the guide rail is provided with a magnet, and the mass body is provided with a conductor; When the mass body moves, the magnet and the conductor do cutting magnetic induction line movement. The first guide rail is the arc guide rail, and the second guide rail is the linear guide rail. The structure of the invention can achieve the following beneficial effects: The first mass body and the second mass body are connected through the flexible connecting piece, so that the movable range o