CN117366158A - Vibration damper for tower drum of wind driven generator - Google Patents

Vibration damper for tower drum of wind driven generator Download PDF

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Publication number
CN117366158A
CN117366158A CN202311543486.9A CN202311543486A CN117366158A CN 117366158 A CN117366158 A CN 117366158A CN 202311543486 A CN202311543486 A CN 202311543486A CN 117366158 A CN117366158 A CN 117366158A
Authority
CN
China
Prior art keywords
piece
rod
sliding
connecting cylinder
damping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311543486.9A
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Chinese (zh)
Inventor
黄�俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Boyang Electromechanical Manufacturing Co ltd
Original Assignee
Nantong Boyang Electromechanical Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Boyang Electromechanical Manufacturing Co ltd filed Critical Nantong Boyang Electromechanical Manufacturing Co ltd
Priority to CN202311543486.9A priority Critical patent/CN117366158A/en
Publication of CN117366158A publication Critical patent/CN117366158A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The application discloses a wind driven generator tower section of thick bamboo vibration damper relates to vibration damper technical field. The application comprises the following steps: the connecting cylinder is arranged on the wind driven generator tower cylinder; the damping piece is arranged on the connecting cylinder and is used for consuming the kinetic energy on the connecting cylinder; the connecting piece is arranged on the connecting cylinder, the mounting piece is arranged on the damping piece, the connecting piece is detachably connected with the damping piece through the mounting piece, and the connecting piece is used for connecting the damping piece with the connecting cylinder; and the auxiliary piece is arranged on the damping piece and is used for increasing the weight of the damping piece. This application is through being connected connecting cylinder and wind-driven generator tower section of thick bamboo to be connected damping piece and wind-driven generator tower section of thick bamboo through the connecting piece, through the cooperation of auxiliary member, played the effect to wind-driven generator tower section of thick bamboo damping, when using, make for dismantling between damping piece and the connecting piece to be connected through the installed part, be convenient for change connecting piece and damping piece, increased the practicality of device.

Description

Vibration damper for tower drum of wind driven generator
Technical Field
The application relates to the technical field of vibration reduction devices, in particular to a wind driven generator tower cylinder vibration reduction device.
Background
The wind generating set is subjected to vibration or swing caused by random wind, wave ocean currents, unbalance of transmission parts and the like to have adverse effects on the safety and service life of the wind generating set, particularly an all-steel high tower or an offshore single-pile foundation tower, and the vibration and fatigue of the tower cannot be ignored due to the comprehensive effects of the loads of the random wind, the wave ocean currents and the like due to high power and long blades of the generator set, so that a damper is arranged on the tower.
The existing tower cylinder damper is connected with the tower cylinder through the steel cable, the damping rod and other structures, metal fatigue is unavoidably generated between the steel cable and the damping rod in long-term use, but the existing damping rod is connected with the steel cable and the metal ball through welding, and the steel cable and the damping rod are difficult to replace in overhaul and maintenance, so that the working difficulty is increased.
Disclosure of Invention
The purpose of the present application is: in order to solve the problems in the background technology, the application provides a vibration damper for a tower cylinder of a wind driven generator.
The application specifically adopts the following technical scheme for realizing the purposes:
a wind turbine tower vibration damper comprising:
the connecting cylinder is arranged on the wind driven generator tower cylinder;
the damping piece is arranged on the connecting cylinder and is used for consuming the kinetic energy on the connecting cylinder;
the connecting piece is arranged on the connecting cylinder, the mounting piece is arranged on the damping piece, the connecting piece is detachably connected with the damping piece through the mounting piece, and the connecting piece is used for connecting the damping piece with the connecting cylinder;
and the auxiliary piece is arranged on the damping piece and is used for increasing the weight of the damping piece.
Further, the damping member includes:
the connecting block is arranged in the connecting cylinder through a connecting piece, and a containing cavity is formed in the connecting block;
the connecting ball is connected with the accommodating cavity ball, the connecting column is arranged on the connecting ball, the metal ball is arranged at the bottom of the connecting column, and the metal ball is used for consuming the kinetic energy on the connecting cylinder.
Further, the connector includes:
the plurality of outer sleeves are annularly arranged in the connecting cylinder along the axis direction of the connecting cylinder, the outer sleeves are hinged on the connecting cylinder, and a sliding cavity is formed in the outer sleeves;
the connecting rod is slidably arranged in the sliding cavity and is connected with the mounting piece;
the oil cavity is arranged on the outer sleeve, the sliding cavity is communicated with the oil cavity, the connecting pipe is arranged on the oil cavity, and the connecting pipe is used for communicating the plurality of oil cavities.
Further, the mount includes:
the sliding plates are slidably arranged on the metal balls or the connecting blocks, and the number of the sliding plates is twice as large as that of the connecting rods, so that every two sliding plates are connected with one connecting rod;
the groove is formed in the sliding plate, and an expansion plate used for being inserted into the groove is arranged at the end part of the connecting rod;
the locking rod is hinged to one of the sliding plates in a sliding manner, a locking bolt is rotatably arranged on the locking rod, a bearing rod in threaded fit with the locking bolt is further hinged to the sliding plate provided with the locking rod in a sliding manner, and when the locking rod is connected with the bearing rod, sliding of the sliding plate is limited.
Further, the auxiliary member includes:
the limiting plate is connected with the metal ball, the limiting plate is used for increasing the weight of the metal ball, a connecting rope is arranged in the connecting cylinder, and the connecting rope is used for connecting the limiting plate with the connecting cylinder;
the storage cavity is arranged on the limiting plate and is communicated with the connecting pipe.
Further, an annular groove is formed in the connecting cylinder, a half-ring plate is inserted in the annular groove, the connecting rope is connected with the half-ring plate, the number of the half-ring plates is two, and the half-ring plates are connected through bolts.
Further, a supporting rod is arranged in the connecting cylinder and made of rubber, the supporting rod is positioned at the bottom of the limiting plate, and when the metal ball drives the limiting plate to move in the connecting cylinder, the supporting rod is in contact with the limiting plate.
Further, a sliding groove is formed in the metal ball, and a sliding block in sliding fit with the sliding groove is installed on the sliding plate.
Further, a swivel is arranged on the connecting rod, an extension rod is arranged on the swivel, and a balancing weight is arranged at the end part of the extension rod.
Further, the swivel is in running fit with the connecting rod, and the extension rod is hinged to the swivel.
The beneficial effects of this application are as follows:
this application is through being connected connecting cylinder and wind-driven generator tower section of thick bamboo to be connected damping piece and wind-driven generator tower section of thick bamboo through the connecting piece, through the cooperation of auxiliary member, played the effect to wind-driven generator tower section of thick bamboo damping, when using, make for dismantling between damping piece and the connecting piece to be connected through the installed part, be convenient for change connecting piece and damping piece, increased the practicality of device.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is an exploded view of a portion of the construction of the present application;
FIG. 3 is a schematic view of the damping member, the connecting member and the auxiliary member of the present application;
FIG. 4 is a schematic view of the structure of the connector of the present application;
FIG. 5 is an exploded view of the damping member structure of the present application;
FIG. 6 is an exploded view of the connector structure of the present application;
FIG. 7 is an exploded view of the connection block and connection piece construction of the present application;
FIG. 8 is a perspective semi-sectional view of the structure of FIG. 4 of the present application;
FIG. 9 is a perspective semi-sectional view of the structure of FIG. 1 of the present application;
fig. 10 is a schematic view of the structure of the connecting cylinder installed on the wind motor tower.
Reference numerals: 1. a connecting cylinder; 2. a damping member; 201. a connecting block; 202. a receiving chamber; 203. a connecting ball; 204. a connecting column; 205. a metal ball; 3. a connecting piece; 301. an outer sleeve; 302. a sliding cavity; 303. a connecting rod; 304. an oil chamber; 305. a connecting pipe; 4. an auxiliary member; 401. a limiting plate; 402. a storage cavity; 403. a connecting rope; 5. a mounting member; 501. a sliding plate; 502. a groove; 503. an expansion plate; 504. a locking lever; 505. a locking bolt; 506. a carrier bar; 6. a semi-annular plate; 7. a ring groove; 8. a support rod; 9. a chute; 10. a slide block; 11. a swivel; 12. an extension rod; 13. and (5) balancing weights.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1, 2 and 10, a vibration damper for a tower of a wind turbine according to an embodiment of the present application includes:
the connecting cylinder 1 is arranged on the wind driven generator tower, and the connecting cylinder 1 is positioned at one end of the wind driven generator tower, which is close to the upper rotating blade;
the damping piece 2 is arranged on the connecting cylinder 1, the damping piece 2 is used for consuming the kinetic energy on the connecting cylinder 1, and when wind blows the wind turbine tower, the damping piece 2 sets reverse resistance for the tower through inertia, so that the kinetic energy on the tower is reduced, and the effect of reducing vibration is achieved;
the connecting piece 3 is arranged on the connecting cylinder 1, the mounting piece 5 is arranged on the damping piece 2, the connecting piece 3 is detachably connected with the damping piece 2 through the mounting piece 5, the connecting piece 3 is used for connecting the damping piece 2 with the connecting cylinder 1, and when the damping piece is used, the connecting piece 3 is connected with the damping piece 2 through the mounting piece 5, and then the connecting piece 3 is detached from the damping piece 2 through the matching of the mounting piece 5, so that the connecting piece 3 is separated from the damping piece 2, and the connecting piece 3 and the damping piece 2 are convenient to replace;
the auxiliary piece 4 is arranged on the damping piece 2, the auxiliary piece 4 is used for increasing the weight of the damping piece 2, and when the damping piece is used, the inertia of the damping piece 2 is further increased by increasing the weight, so that the vibration reduction effect of the device is increased;
compared with the prior art, through being connected connecting cylinder 1 with wind-driven generator tower section of thick bamboo to be connected damping piece 2 with wind-driven generator tower section of thick bamboo through connecting piece 3, through the cooperation of auxiliary member 4, played the effect to wind-driven generator tower section of thick bamboo damping, when using, make for dismantling between damping piece 2 and the connecting piece 3 to be connected through mounting 5, be convenient for change connecting piece 3 and damping piece 2, increased the practicality of device.
As shown in fig. 5 and 9, in some embodiments, the damping member 2 includes:
the connecting block 201 is installed in the connecting cylinder 1 through the connecting piece 3, the accommodating cavity 202 is formed in the connecting block 201, the installing piece 5 is installed on the connecting block 201, the connecting piece 3 is connected with the connecting block 201 through the installing piece 5, and the accommodating cavity 202 is formed in the bottom of the connecting block 201 in a primary view;
the connecting ball 203, it is connected with holding the chamber 202 ball, install spliced pole 204 on the connecting ball 203, metal ball 205 is installed to spliced pole 204 bottom, metal ball 205 is used for consuming the kinetic energy on the connecting cylinder 1, install mounting 5 on the metal ball 205 too, make it be connected with connecting piece 3 through mounting 5, when using, through the ball connection between connecting ball 203 and holding the chamber 202, the mobility of metal ball 205 in connecting cylinder 1 has been increased, and then the response sensitivity of metal ball 205 has been improved, the practicality of device has been increased.
As shown in fig. 4, 6 and 8, in some embodiments, the connector 3 comprises:
the number of the outer sleeves 301 is multiple, the outer sleeves 301 are annularly arrayed in the connecting cylinder 1 along the axis direction of the connecting cylinder 1, the outer sleeves 301 are hinged to the connecting cylinder 1, sliding cavities 302 are formed in the outer sleeves 301, the outer sleeves 301 are hinged to the connecting cylinder 1, and the activity of the outer sleeves 301 is increased;
the connecting rod 303 is slidably arranged in the sliding cavity 302, the connecting rod 303 is connected with the mounting piece 5, the connecting rod 303 is connected with the connecting block 201 or the metal ball 205 through the mounting piece 5, and in use, the connecting rod 303 and the sliding cavity 302 are internally provided with springs, so that a spring telescopic rod is formed between the outer sleeve 301 and the connecting rod 303, the action of a damping rod is formed, when the metal ball 205 moves in the connecting cylinder 1 due to inertia, the kinetic energy on the metal ball 205 is consumed through the deformation of the connecting rod 303 and the springs, and the metal ball 205 is used for consuming the kinetic energy on the tower cylinder, so that the vibration on the tower cylinder is further reduced, and the damping effect of the device is further improved;
the oil cavity 304 is formed in the outer sleeve 301, the sliding cavity 302 is communicated with the oil cavity 304, the connecting pipe 305 is installed on the oil cavity 304 and used for communicating the plurality of oil cavities 304, hydraulic oil is arranged in the oil cavity 304, a piston cylinder structure is formed between the connecting rod 303 and the outer sleeve 301, when one or more sides of the connecting rod 303 are compressed, the hydraulic oil in the oil cavity 304 is extruded into the oil cavity 304 in the outer sleeve 301 where the extended connecting rod 303 is located, the resistance of the connecting rod 303 during movement is increased, the kinetic energy consumption effect on the metal ball 205 is further increased, and the vibration reduction effect on the tower cylinder is increased.
As shown in fig. 4, 6 and 8, in some embodiments, the mount 5 comprises:
the sliding plates 501 are slidably mounted on the metal balls 205 or the connection blocks 201, and the number of the sliding plates 501 is twice that of the connection rods 303, so that each two sliding plates 501 are connected with one connection rod 303, and each two sliding plates 501 are used for fixing one connection rod 303 in use, as shown in fig. 4 and 8;
the groove 502 is formed in the sliding plate 501, the expansion plate 503 used for being inserted into the groove 502 is arranged at the end part of the connecting rod 303, when the connecting rod 303 is connected, the connecting rod 303 is inserted into one groove 502, the sliding plate 501 is slid, the two sliding plates 501 are close to each other, the expansion plate 503 is wrapped and accommodated by the groove 502, and the preliminary connecting of the connecting rod 303 is completed;
the locking rod 504 is hinged on one of the sliding plates 501 in a sliding manner, the locking bolt 505 is rotatably arranged on the locking rod 504, the sliding plate 501 provided with the locking rod 504 is also hinged with the bearing rod 506 in a sliding manner in threaded fit with the locking bolt 505, when the locking rod 504 is connected with the bearing rod 506, the sliding of the sliding plate 501 is limited, the bearing rod 506 and the locking rod 504 are positioned on the same sliding plate 501, both the bearing rod 504 and the bearing rod 506 are type, the locking rod 504 and the bearing rod 506 can slide and rotate on the sliding plate 501, the mounting mode of the locking rod 504 and the bearing rod 506 on the sliding plate 501 is as shown in fig. 4, after the two sliding plates 501 are connected, the bearing rod 506 and the locking rod 504 are rotated, so that an opening between the bearing rod 506 accommodates the sliding plate 501, the sliding of the sliding plate 501 is limited, and then the locking rod 504 and the bearing rod 506 are connected through the locking bolt 505, so that the stability of the sliding plate 501 in use is improved;
when dismantling is needed, the connection between the locking rod 504 and the bearing rod 506 is released through the locking bolt 505, then the bearing rod 506 and the locking rod 504 are slid and rotated, the limit on the sliding plate 501 between the locking rod 504 and the bearing rod 506 is released, the sliding plate 501 is slid again, the locking rod and the bearing rod are far away from each other, the connecting rod 303 is dismantled conveniently, the connecting rod 303 and the metal ball 205 are dismantled conveniently, and then the connecting rod 303 and the metal ball 205 are disassembled and replaced conveniently, so that the practicability of the device is improved.
As shown in fig. 3 and 9, in some embodiments, the auxiliary element 4 comprises:
the limiting plate 401 is connected with the metal ball 205, the limiting plate 401 is used for increasing the weight of the metal ball 205, the connecting tube 1 is internally provided with the connecting rope 403, the connecting rope 403 is used for connecting the limiting plate 401 with the connecting tube 1, and the connecting tube 1 is connected with the limiting plate 401 through the connecting rope 403, so that the activity degree of the limiting plate 401 is increased, the continuous limitation of the limiting plate 401 on the activity of the metal ball 205 is reduced, and the practicability of the device is increased;
the storage cavity 402 is formed in the limiting plate 401, the storage cavity 402 is communicated with the connecting pipe 305, the storage cavity 402 is used for storing hydraulic oil, when the hydraulic oil is transported in the connecting pipe 305, the storage cavity 402 serves as a transfer station, the weight of the limiting plate 401 is increased through the hydraulic oil, the weight of the metal ball 205 is further increased, and therefore the vibration reduction effect of the device is improved;
the limiting plate 401 has the functions of increasing the vibration reduction effect of the metal ball 205 by serving as a counterweight for increasing the weight of the metal ball 205, and increasing the practicability of the limiting plate 401 by serving as a container for a hydraulic oil transfer station.
As shown in fig. 2 and 9, in some embodiments, the ring groove 7 is formed in the connecting cylinder 1, the half ring plates 6 are inserted in the ring groove 7, the connecting ropes 403 are connected with the half ring plates 6, the number of the half ring plates 6 is two, the half ring plates 6 are connected by bolts, the height of the ring groove 7 is larger than that of the half ring plates 6, and after the connection between the half ring plates 6 is released by the bolts, the half ring plates 6 are slid, so that the contact between the two half ring plates 6 is released, and then the half ring plates 6 are disconnected with the ring groove 7, so that the limiting plates 401 are conveniently disconnected with the metal balls 205, thereby increasing the practicability of the device.
As shown in fig. 2, in some embodiments, the supporting rod 8 is installed in the connecting cylinder 1, the supporting rod 8 is made of rubber, the supporting rod 8 is located at the bottom of the limiting plate 401, when the metal ball 205 drives the limiting plate 401 to move in the connecting cylinder 1, the supporting rod 8 collides with the limiting plate 401, the supporting rod 8 is a rubber rod, in a normal state, the limiting plate 401 and the metal ball 205 are supported by the supporting rod 8, so that the loss of the connecting piece 3 in normal times is reduced, when the metal ball 205 shakes, the supporting rod 8 can collide, so that the metal ball 205 deforms, kinetic energy on the metal ball 205 is consumed, and the vibration reduction effect of the device is improved.
As shown in fig. 4 and 7, in some embodiments, the metal ball 205 is provided with a sliding groove 9, the sliding plate 501 is provided with a sliding block 10 in sliding fit with the sliding groove 9, and the sliding direction of the sliding plate 501 is limited by limiting the side wall of the sliding block 10 through the inner wall of the sliding groove 9, so that the stability of the sliding plate 501 during sliding is increased.
As shown in fig. 5 and 7, in some embodiments, the swivel 11 is mounted on the connecting rod 303, the extension rod 12 is mounted on the swivel 11, the end of the extension rod 12 is mounted with the counterweight 13, and the weight of the connecting rod 303 is increased by the counterweight 13, so that the force required when the connecting rod 303 is pushed is increased, and the vibration reduction effect of the device is further increased.
As shown in fig. 5 and 7, in some embodiments, the swivel 11 is in running fit with the connecting rod 303, the extension rod 12 is hinged on the swivel 11, when the connecting rod 303 is pushed in use, the balancing weight 13 swings in the connecting cylinder 1 through inertia, the activity of the balancing weight 13 is increased through the rotation of the swivel 11 and the hinging between the extension rod 12 and the balancing weight 13, and then vibration on the connecting rod 303 is achieved, the protection effect on the connecting rod 303 is achieved, and the practicability of the device is increased.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A wind turbine tower vibration damper, comprising:
the connecting cylinder (1) is arranged on the wind driven generator tower;
the damping piece (2) is arranged on the connecting cylinder (1), and the damping piece (2) is used for consuming the kinetic energy on the connecting cylinder (1);
the connecting piece (3) is arranged on the connecting cylinder (1), the damping piece (2) is provided with a mounting piece (5), the connecting piece (3) is detachably connected with the damping piece (2) through the mounting piece (5), and the connecting piece (3) is used for connecting the damping piece (2) with the connecting cylinder (1);
and an auxiliary member (4) mounted on the damping member (2), the auxiliary member (4) being for increasing the weight of the damping member (2).
2. Wind turbine tower vibration damper according to claim 1, wherein the damping member (2) comprises:
the connecting block (201) is arranged in the connecting cylinder (1) through the connecting piece (3), and the connecting block (201) is provided with a containing cavity (202);
the connecting ball (203) is in ball connection with the accommodating cavity (202), the connecting ball (203) is provided with a connecting column (204), the bottom of the connecting column (204) is provided with a metal ball (205), and the metal ball (205) is used for consuming the kinetic energy on the connecting cylinder (1).
3. Wind turbine tower vibration damper according to claim 2, wherein the connection piece (3) comprises:
the plurality of outer sleeves (301) are arranged, the outer sleeves (301) are annularly arrayed in the connecting cylinder (1) along the axis direction of the connecting cylinder (1), the outer sleeves (301) are hinged on the connecting cylinder (1), and a sliding cavity (302) is formed in the outer sleeves (301);
the connecting rod (303) is slidably arranged in the sliding cavity (302), and the connecting rod (303) is connected with the mounting piece (5);
the oil cavity (304) is formed in the outer sleeve (301), the sliding cavity (302) is communicated with the oil cavity (304), the connecting pipe (305) is installed on the oil cavity (304), and the connecting pipe (305) is used for communicating a plurality of oil cavities (304).
4. A wind turbine tower vibration damping device according to claim 3, wherein the mounting (5) comprises:
sliding plates (501) slidably mounted on the metal balls (205) or the connection blocks (201), the number of the sliding plates (501) being twice that of the connection bars (303) so that each two sliding plates (501) are connected with one connection bar (303);
a groove (502) which is arranged on the sliding plate (501), and an expansion plate (503) which is inserted in the groove (502) is arranged at the end part of the connecting rod (303);
the locking rod (504) is hinged to one of the sliding plates (501) in a sliding mode, the locking bolt (505) is rotatably installed on the locking rod (504), the bearing rod (506) in threaded fit with the locking bolt (505) is further hinged to the sliding plate (501) provided with the locking rod (504) in a sliding mode, and when the locking rod (504) is connected with the bearing rod (506), sliding of the sliding plate (501) is limited.
5. Wind turbine tower vibration damping device according to claim 4, characterized in that the auxiliary element (4) comprises:
a limiting plate (401) connected with the metal ball (205), wherein the limiting plate (401) is used for increasing the weight of the metal ball (205), a connecting rope (403) is arranged in the connecting cylinder (1), and the connecting rope (403) is used for connecting the limiting plate (401) with the connecting cylinder (1);
and a storage cavity (402) which is arranged on the limiting plate (401), wherein the storage cavity (402) is communicated with the connecting pipe (305).
6. The wind driven generator tower vibration damper according to claim 5, wherein the connecting cylinder (1) is internally provided with a ring groove (7), the ring groove (7) is internally provided with a half-ring plate (6), the connecting rope (403) is connected with the half-ring plate (6), the number of the half-ring plates (6) is two, and the half-ring plates (6) are connected through bolts.
7. The wind turbine tower vibration damper according to claim 6, wherein the connecting cylinder (1) is internally provided with a supporting rod (8), the supporting rod (8) is made of rubber, the supporting rod (8) is positioned at the bottom of the limiting plate (401), and when the metal ball (205) drives the limiting plate (401) to move in the connecting cylinder (1), the supporting rod (8) is abutted against the limiting plate (401).
8. The wind turbine tower vibration damper according to claim 4, wherein the metal ball (205) is provided with a chute (9), and the sliding plate (501) is provided with a sliding block (10) in sliding fit with the chute (9).
9. A wind turbine tower vibration damper according to claim 3, wherein the connecting rod (303) is provided with a swivel (11), the swivel (11) is provided with an extension rod (12), and the end of the extension rod (12) is provided with a balancing weight (13).
10. Wind turbine tower vibration damper according to claim 9, wherein the swivel (11) is in a rotational fit with the connecting rod (303) and the extension rod (12) is hinged to the swivel (11).
CN202311543486.9A 2023-11-17 2023-11-17 Vibration damper for tower drum of wind driven generator Pending CN117366158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311543486.9A CN117366158A (en) 2023-11-17 2023-11-17 Vibration damper for tower drum of wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311543486.9A CN117366158A (en) 2023-11-17 2023-11-17 Vibration damper for tower drum of wind driven generator

Publications (1)

Publication Number Publication Date
CN117366158A true CN117366158A (en) 2024-01-09

Family

ID=89398550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311543486.9A Pending CN117366158A (en) 2023-11-17 2023-11-17 Vibration damper for tower drum of wind driven generator

Country Status (1)

Country Link
CN (1) CN117366158A (en)

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