CN115263688A - Damping device and wind generating set - Google Patents

Damping device and wind generating set Download PDF

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Publication number
CN115263688A
CN115263688A CN202211177769.1A CN202211177769A CN115263688A CN 115263688 A CN115263688 A CN 115263688A CN 202211177769 A CN202211177769 A CN 202211177769A CN 115263688 A CN115263688 A CN 115263688A
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CN
China
Prior art keywords
rotor
disc
connecting seat
generator
hub
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.)
Granted
Application number
CN202211177769.1A
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Chinese (zh)
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CN115263688B (en
Inventor
丁浩章
刘连刚
顾小峰
吴坤进
周立锋
钱锋
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Changzhou Zhonghao Rail Transp Technology Dev Co ltd
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Changzhou Zhonghao Rail Transp Technology Dev Co ltd
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Application filed by Changzhou Zhonghao Rail Transp Technology Dev Co ltd filed Critical Changzhou Zhonghao Rail Transp Technology Dev Co ltd
Priority to CN202211177769.1A priority Critical patent/CN115263688B/en
Publication of CN115263688A publication Critical patent/CN115263688A/en
Application granted granted Critical
Publication of CN115263688B publication Critical patent/CN115263688B/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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • 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
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • 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
    • F03D7/0276—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
    • 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
    • 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
    • F03D7/04—Automatic control; Regulation
    • 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
    • F03D7/04—Automatic control; Regulation
    • F03D7/041—Automatic control; Regulation by means of a mechanical governor
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F16F15/1232—Wound springs characterised by the spring mounting
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention belongs to the technical field of shock absorption, and particularly relates to a shock absorption device and a wind generating set; the rotor comprises a rotor I, wherein the end part of the rotor I is fixedly connected with a hub, and the hub is connected with a connecting seat through a column body; the rotor I is connected with a rotor II which rotates concentrically and is in telescopic fit with the rotor I; the rotor I is connected with a braking mechanism, the braking mechanism comprises a disc, a speed reducing disc and a wear-resistant disc, the surface of the disc is connected with the speed reducing disc through an elastic mechanism I, and the disc is fixedly connected with the rotor I; according to the invention, the rotor I and the rotor II are arranged, when the wind power is too large, the generator blade drives the rotor I and the rotor II to rotate, meanwhile, the rotor I contracts in the rotor II, the extension spring plays a role in damping and buffering the generator blade, and the generator blade rotates per se, so that the angle is changed, and the wind power received by the front face is reduced.

Description

Damping device and wind generating set
Technical Field
The invention relates to the technical field of shock absorption, in particular to a shock absorption device and a wind generating set.
Background
Under the global background that the current non-renewable energy sources are in short supply, the climate changes rapidly and the environment deteriorates increasingly, the wind energy is used as renewable and green environment-friendly energy sources which are highly concerned by various countries and also can be the main direction for utilizing the current new energy sources in China, wherein the solar power generation and the wind power generation are the main power of the new energy sources; the wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and finally outputs alternating current.
The rotation of blade drives the rotor and rotates in aerogenerator, and then produces the electric energy through the generator, and traditional aerogenerator blade and generator cabin all do not have shock-absorbing structure in, when aerogenerator blade when external work, can suffer very big wind-force sometimes, powerful wind-force drives blade and generator rotor high-speed rotatory, can the fracture when the blade surpasss certain holding capacity to cause certain economic loss.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a damping device and a wind generating set.
In order to achieve the technical purpose, the specific technical scheme is that the damping device comprises a rotor I, wherein the end part of the rotor I is fixedly connected with a hub, and the hub is connected with a connecting seat through a cylinder; the rotor I is connected with a rotor II which rotates concentrically and is in telescopic fit with the rotor I; the rotor I is connected with a braking mechanism, the braking mechanism comprises a disc, a speed reduction disc and a wear-resistant disc, the surface of the disc is connected with the speed reduction disc through an elastic mechanism I, and the disc is fixedly connected with the rotor I.
As a preferred technical scheme of the invention, the outer side of the hub is connected with a hub cover, and the hub cover is provided with a mounting hole matched with the connecting seat.
As a preferable technical scheme, the cylinder is connected with an adjusting mechanism corresponding to the connecting seat, the connecting seat is connected with the speed reducing disc through the adjusting mechanism, and the speed reducing disc drives the connecting seat to rotate when moving along the axial direction of the rotor I.
As a preferred technical scheme, the adjusting mechanism comprises a sliding rod, a sliding block is connected to the sliding rod in a sliding mode, the sliding block is rotatably connected with the connecting seat through a connecting rod I, and the sliding block is connected with the speed reducing disc through a connecting rod II; and the surface of the sliding rod is connected with an elastic mechanism III, and the elastic mechanism III is connected with the sliding block.
As a preferred technical scheme of the invention, the sliding block is connected with a pressing block through an elastic mechanism IV, and the lower surface of the connecting seat is connected with a wedge-shaped plate matched with the pressing block.
As a preferred technical scheme, the end face of the rotor II is provided with a through hole in matched connection with the rotor I, a limiting groove is formed in the through hole, the surface of the rotor I is provided with a limiting strip matched with the limiting groove, a plurality of folding rods are connected between the rotor I and the rotor II, and the folding rods are connected with extension springs.
The invention also discloses a wind generating set, which comprises a generator blade and a generator cabin, wherein the damping device is arranged in the generator cabin, and the rotor II is connected with a generator rotating shaft; the tip of generator blade is equipped with the connector, the connector with connecting seat fixed connection.
The beneficial effects of the invention are as follows:
1. according to the invention, the rotor I and the rotor II are arranged, the rotor I and the rotor II concentrically rotate and can stretch, the folding rod is connected between the rotor I and the rotor II, the folding rod is connected with the extension spring, when wind power is too large, the rotor I can be retracted in the rotor II, and the extension spring plays a role in damping and buffering a generator blade.
2. When wind-force is great, I drive disc and the axial displacement of speed reduction dish along I rotor of rotor, I shrink of rotor when rotor II, elastic mechanism I makes speed reduction dish and wear-resisting dish surface tightly contact, reduces the rotational speed of I rotor and generator blade through frictional force, avoids the too high holding capacity of generator blade rotational speed great and damage.
3. According to the invention, the adjusting mechanisms which correspond to the generator blades one to one are arranged, when wind power is large, the rotor I drives the disc and the speed reducing disc to move axially along the rotor I, the speed reducing disc drives the sliding block on the adjusting mechanism to move, the sliding block drives the connecting seat to rotate through the connecting rod I, so that the angle of the generator blades is changed, the bearing force of the generator blades is reduced, and the protection effect on the generator blades is achieved.
Drawings
Fig. 1 is a schematic structural view of a damping device according to the present invention;
FIG. 2 is a schematic structural view of the hub;
FIG. 3 is a schematic front view of FIG. 2;
FIG. 4 is a schematic view of the adjustment mechanism;
FIG. 5 is a schematic structural diagram of a generator set according to the present invention;
FIG. 6 is a schematic structural view of the generator blade of FIG. 5;
in the figure: 1. a generator blade; 101. a connector; 2. a generator nacelle; 3. a hubcap; 301. mounting holes; 4. a rotor I; 401. a hub; 402. a cylinder; 403. a connecting seat; 404. a wedge plate; 5. an adjustment mechanism; 501. a slider; 502. a slide bar; 503. an elastic mechanism III; 504. a connecting rod I; 505. a connecting rod II; 506. briquetting; 507. an elastic mechanism IV; 6. an extension spring; 7. a disc; 8. a reduction disk; 9. an elastic mechanism I; 10. a wear-resistant disc; 11. a rotor II; 12. and (4) folding the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): as shown in fig. 1-3, the embodiment is a damping device, which includes a rotor i 4, a hub 401 is fixedly connected to one end of the rotor i 4, a hubcap 3 is fixedly connected to the outer side of the hub 401, the hubcap 3 is detachable, a mounting hole 301 matched with a connecting seat 403 is formed in the hubcap 3, a rotor ii 11 which rotates concentrically and is in telescopic fit with the rotor i 4 is connected to the rotor i 4, a through hole matched with the rotor i 4 is formed in an end face of the rotor ii 11, a limiting groove is formed in the through hole, a limiting bar matched with the limiting groove is formed in the surface of the rotor i 4, so that the rotor i 4 and the rotor ii 11 are stably connected, a plurality of folding rods 12 are connected between the rotor i 4 and the rotor ii 11, two ends of each folding rod 12 are respectively rotatably connected with the rotor i 4 and the rotor ii 11, each folding rod 12 includes rod bodies which are rotatably connected with each other, and an extension spring 6 is fixedly connected between the two rod bodies;
rotor I4 surface connection has arrestment mechanism, arrestment mechanism includes disc 7, speed reduction disc 8 and wear-resisting dish 10, 7 surfaces of disc pass through elastic mechanism I9 and are connected with speed reduction disc 8, elastic mechanism I9 includes the body of rod and spring, body of rod one end and 8 fixed connection of speed reduction disc, the body of rod other end and 7 swing joint of disc, the tip is spacing through the nut, spring coupling is on the body of rod, disc 7 and I4 fixed connection of rotor, 10 fixed mounting of wear-resisting dish is in generator cabin 2, drive disc 7 when rotor I4 removes, speed reduction disc 8 and the I9 removal of elastic mechanism, I9 atress compression of elastic mechanism, make speed reduction disc 8 and 10 surface contact of wear-resisting dish, through frictional force between the two to rotor I4, the speed of rotor II 11 reduces.
As shown in fig. 3-5, a connecting seat 403 is connected to the hub 401 through a column 402, the connecting seat 403 is rotatable, an adjusting mechanism 5 corresponding to the connecting seat 403 is connected to the column 402, the connecting seat 403 is connected to the reduction disk 8 through the adjusting mechanism 5, and the reduction disk 8 drives the connecting seat 403 to rotate when moving axially along the rotor i 4; the adjusting mechanism 5 comprises a sliding rod 502, the sliding rod 502 is fixedly connected with the column body 402, a sliding block 501 is connected on the sliding rod 502 in a sliding manner, the sliding block 501 is rotatably connected with the connecting seat 403 through a connecting rod I504, and the sliding block 501 is connected with the speed reducing disc 8 through a connecting rod II 505; an elastic mechanism III 503 is connected to the surface of the sliding rod 502, the elastic mechanism III 503 is a compression spring, a stop block is arranged at the end of the sliding rod 502, a pair of elastic mechanisms III 503 are arranged on the two sides of the sliding block 501 respectively, and the elastic mechanisms III 503 are connected with the sliding block 501; the elastic mechanism III 503 plays a role in damping and resetting.
Preferably, as shown in fig. 4, in order to ensure the stability of the connecting seat 403 and the generator blade 1, a support is fixedly connected to the sliding block 501, a pressing block 506 is connected to the support through an elastic mechanism iv 507, the pressing block 506 can stably move up and down along the support, the elastic mechanism iv 507 is of a spring structure, a wedge-shaped plate 404 matched with the pressing block 506 is connected to the lower surface of the connecting seat 403, the pressing block 506 is tightly attached to the surface of the wedge-shaped plate 404 through the elastic force of the elastic mechanism iv 507, when the rotor i 4 contracts in the rotor ii 11, the rotor i 4 drives the disc 7 and the speed reduction disc 8 to move, when the speed reduction disc 8 is in contact with the wear-resistant disc 10, the rotor i 4 continues to move forward, the connecting rod ii 505 drives the sliding block 501 to slide along the sliding rod 502, and the pressing block 506 is separated from the wedge-shaped plate 404; when the rotor I4 is separated from the rotor II 11, the pressing block 506 is in surface contact with the wedge-shaped plate 404, and the elastic mechanism IV 507 enables the pressing block 506 to be in surface contact with the wedge-shaped plate 404, so that the stability of the connecting seat 403 and the generator blade 1 is guaranteed.
As shown in fig. 5 to 6, the embodiment further discloses a wind generating set, which adopts the above-mentioned damping device, and the embodiment includes a generator blade 1 and a generator nacelle 2, the damping device is arranged in the generator nacelle 2, and a rotor ii 11 is connected with a generator rotating shaft; when the rotor I4 and the rotor II 11 rotate, the generator rotating shaft is driven to rotate, the wear-resistant disc 10 is fixedly connected into the generator cabin 2, the end part of the generator blade 1 is provided with a connector 101, the connector 101 is fixedly connected with a connecting seat 403, a plurality of threaded rods are uniformly and fixedly connected to the connector 101 along the radial direction of the connector, the connecting seat 403 is provided with connecting holes matched and connected with the threaded rods, and the threaded rods are fixed in the connecting holes through nuts; when the generator blade 1 rotates, the rotor I4 and the rotor II 11 are driven to rotate simultaneously, when the wind power is large, the generator blade 1 is subjected to the wind power, so that the rotor I4 is contracted in the rotor II 11, the folding rod 12 is folded, the extension spring 6 is stressed and compressed, the shock absorption and buffering effects are achieved, and the generator blade 1 is protected; simultaneously, the rotor I4 drives the speed reduction disc 8 to move towards the inner side when contracting, the speed reduction disc 8 drives the sliding block 501 to slide along the sliding rod 502 through the connecting rod II 505, the sliding block 501 drives the connecting seat 403 to rotate through the connecting rod I504, so that the generator blade 1 is driven to rotate, the angle of the generator blade 1 is adjusted, the front stress of the generator blade 1 is reduced, and the generator blade 1 is prevented from being damaged due to overlarge bearing force.
The working principle is as follows: when wind power is too large, the surface of the generator blade is subjected to large thrust, the rotor I4 is driven to contract in the rotor II 11, the rotor I4 drives the disc 7, the speed reduction disc 8 and the elastic mechanism I9 move, the elastic mechanism I9 and the extension spring 6 are compressed under force, the damping and buffering effects on the generator blade 1 are achieved, meanwhile, when the rotor I4 continues to move, the elastic mechanism I9 enables the speed reduction disc 8 to be in close contact with the wear-resisting disc 10, the speed of the rotor I4 is reduced through friction force between the speed reduction disc and the wear-resisting disc, the rotating speed of the generator blade 1 is reduced, the situation that the generator blade 1 is damaged due to overlarge stress caused by the fact that the speed of the generator blade 1 is too large is avoided, meanwhile, the speed reduction disc 8 drives the sliding block 501 to move on the sliding rod 502 through the connecting rod II, the sliding block 501 drives the pressing block 506 to be separated from the wedge-shaped plate 404, meanwhile, the sliding block 501 drives the connecting seat 403 through the connecting rod I504, the generator blade 1 rotates, the angle of the generator blade 1 is changed, the front stressed area of the generator blade 1 is reduced, and the generator blade 1 is further protected.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A shock-absorbing device is characterized in that,
the rotor comprises a rotor I (4), wherein the end part of the rotor I (4) is fixedly connected with a hub (401), and the hub (401) is connected with a connecting seat (403) through a column body (402);
the rotor I (4) is connected with a rotor II (11) which rotates concentrically and is in telescopic fit with the rotor I;
be connected with arrestment mechanism on rotor I (4), arrestment mechanism includes disc (7), speed reduction dish (8) and wear-resisting dish (10), disc (7) surface is connected with speed reduction dish (8) through elastic mechanism I (9), disc (7) with rotor I (4) fixed connection.
2. A shock-absorbing device according to claim 1, wherein a hub cap (3) is connected to the outside of the hub (401), and the hub cap (3) is provided with a mounting hole (301) for engaging with the connecting seat (403).
3. A shock absorbing device as claimed in claim 1 or 2, wherein an adjusting mechanism (5) corresponding to the connecting seat (403) is connected to the column body (402), the connecting seat (403) is connected to the speed reducing disk (8) through the adjusting mechanism (5), and the speed reducing disk (8) drives the connecting seat (403) to rotate when moving axially along the rotor i (4).
4. A shock absorbing device according to claim 3, wherein said adjusting mechanism (5) comprises a sliding rod (502), a sliding block (501) is slidably connected to said sliding rod (502), said sliding block (501) is rotatably connected to said connecting seat (403) through a connecting rod i (504), and said sliding block (501) is connected to said speed reducing disk (8) through a connecting rod ii (505); and the surface of the sliding rod (502) is connected with an elastic mechanism III (503), and the elastic mechanism III (503) is connected with the sliding block (501).
5. A shock-absorbing device according to claim 4, wherein the slide block (501) is connected with a pressing block (506) through an elastic mechanism IV (507), and the lower surface of the connecting seat (403) is connected with a wedge-shaped plate (404) matched with the pressing block (506).
6. A shock-absorbing device as claimed in claim 5, wherein the end face of the rotor II (11) is provided with a through hole which is in fit connection with the rotor I (4), a limiting groove is arranged in the through hole, a limiting strip which is in fit connection with the limiting groove is arranged on the surface of the rotor I (4), a plurality of folding rods (12) are connected between the rotor I (4) and the rotor II (11), and the folding rods (12) are connected with extension springs (6).
7. A wind power plant with a damping device according to any one of claims 1 to 6,
the damping device is arranged in the generator cabin (2), and the rotor II (11) is connected with a generator rotating shaft; the end of generator blade (1) is equipped with connector (101), connector (101) with connecting seat (403) fixed connection.
CN202211177769.1A 2022-09-27 2022-09-27 Damping device and wind generating set Active CN115263688B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182638A (en) * 2011-05-16 2011-09-14 杨永新 Wind-pressure paddle change wind driven generator
CN109268208A (en) * 2018-11-26 2019-01-25 中国华能集团清洁能源技术研究院有限公司 A kind of blade damping device of wind-driven generator
CN111207037A (en) * 2020-03-04 2020-05-29 南京振轩新能源科技有限公司 Wind power generation device with protection function
CN211058947U (en) * 2019-12-09 2020-07-21 四川轻化工大学 Blade damping device of wind driven generator
CN212429092U (en) * 2020-06-09 2021-01-29 大唐郏县风力发电有限责任公司 Blade damping device for wind driven generator
CN113374630A (en) * 2021-07-28 2021-09-10 中国华能集团清洁能源技术研究院有限公司 Blade damping device for horizontal shaft wind turbine generator
CN214998018U (en) * 2020-12-02 2021-12-03 烟台筑龙风电有限公司 Damping device of windmill for wind power generation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182638A (en) * 2011-05-16 2011-09-14 杨永新 Wind-pressure paddle change wind driven generator
CN109268208A (en) * 2018-11-26 2019-01-25 中国华能集团清洁能源技术研究院有限公司 A kind of blade damping device of wind-driven generator
CN211058947U (en) * 2019-12-09 2020-07-21 四川轻化工大学 Blade damping device of wind driven generator
CN111207037A (en) * 2020-03-04 2020-05-29 南京振轩新能源科技有限公司 Wind power generation device with protection function
CN212429092U (en) * 2020-06-09 2021-01-29 大唐郏县风力发电有限责任公司 Blade damping device for wind driven generator
CN214998018U (en) * 2020-12-02 2021-12-03 烟台筑龙风电有限公司 Damping device of windmill for wind power generation
CN113374630A (en) * 2021-07-28 2021-09-10 中国华能集团清洁能源技术研究院有限公司 Blade damping device for horizontal shaft wind turbine generator

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