CN109441730A - Tower frame shock absorbing device and pylon including it - Google Patents
Tower frame shock absorbing device and pylon including it Download PDFInfo
- Publication number
- CN109441730A CN109441730A CN201811556815.2A CN201811556815A CN109441730A CN 109441730 A CN109441730 A CN 109441730A CN 201811556815 A CN201811556815 A CN 201811556815A CN 109441730 A CN109441730 A CN 109441730A
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- CN
- China
- Prior art keywords
- shock absorbing
- absorbing device
- tower frame
- frame shock
- pylon
- 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
Links
- 230000035939 shock Effects 0.000 title claims abstract description 38
- 238000004873 anchoring Methods 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F03D13/22—Foundations specially adapted 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Wind Motors (AREA)
Abstract
The present invention provides a kind of tower frame shock absorbing device and the pylon including it, the tower frame shock absorbing device includes a support system, the support system includes a support rod and one first link block, the support rod is fixed on the surface of a pylon by first link block, the tower frame shock absorbing device further includes a drag-line, and a damper module and one are fixed on the anchoring pile system on ground, the support system, drag-line is sequentially connected between damper module and anchoring pile system.The tower frame shock absorbing device and including its pylon use support device, drag-line, damper module and the common combination of elastic system, to achieve the effect that inhibit vortex-induced vibration and pylon random vibration jointly, simultaneously, the horizontal and vertical pulling force that drag-line provides improves the stability of blower, and whole device space occupied is small, the practical cost economic of structure, construction feasibility are high.
Description
Technical field
The present invention relates to wind power generation field, in particular to a kind of tower frame shock absorbing device and the pylon including it.
Background technique
With the development of Wind Power Generation Industry, the pylon used in Wind Power Generation Industry is also higher and higher.Correspondingly, pylon is flexible
Increase, the intrinsic frequency of complete machine reduces, and increases so as to cause the probability that vortex-induced vibration occurs for pylon under complete machine state.In addition,
Due to the raising of single wind generator group power, the diameter of impeller is also increasing, and the increase of impeller diameter will be so that blower
The random pulse wind load of receiving becomes larger, and this random wind load also leads to pylon and significantly vibration problem occurs, thus
Baneful influence is generated to the structural strength and fatigue strength of high, soft pylon.Therefore, it needs to seek at present a kind of can passively press down
The method of pylon vortex-induced vibration processed and random vibration.
Currently used for inhibiting the measure of tower oscillation mainly include the following types: (1) is advised by the control system of blower unit
Anti-vibration is dynamic, but when blower has a power failure, control system will be unable to work；(2) increase the rigidity of structure of pylon, it is such as straight by increasing section
Diameter increases wall thickness to increase the rigidity of structure of pylon, but this method reduces the economy of engineering；(3) it uses
Tuned mass damper, or disturbing flow device is arranged in pylon outer surface, this mode is merely able to inhibit the vortex-induced vibration of pylon, right
The pylon random vibration caused by impulsive wind load there is no inhibitory effect；(4) suspension cable device is used, in tower top
The wirerope of oblique pull is installed between ground and pre-tighten etc. to realize, but in order to reach effectiveness in vibration suppression, the span of suspension cable
Up to 50 meters or more, it is limited to unit position, engineering construction is generally also highly difficult.
Summary of the invention
The technical problem to be solved by the present invention is to be limited to Electric control using control unit in the prior art to overcome,
And it can not inhibit to shake at random caused by the vortex-induced vibration and impulsive wind load of pylon simultaneously only with a kind of flow-disturbing or damping unit
It moves, or reference drag-line space occupied is big, engineering construction is more difficult, not economical and practical enough defect, provides a kind of pylon vibration damping
Device and pylon including it.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of tower frame shock absorbing device, it is characterized in that, the tower frame shock absorbing device includes a support system, the support system
System includes a support rod and one first link block, and the support rod is fixed on the surface of a pylon by first link block,
The tower frame shock absorbing device further includes a drag-line, and a damper module and one are fixed on the anchoring pile system on ground, the support system
System, drag-line are sequentially connected between damper module and anchoring pile system.
Preferably, the support system further includes a hound, one end of the hound is connected with one second link block,
The other end of the hound is connected to the support rod.The structure of entire support device can be made more firm using hound
Gu.
Preferably, the damper module includes a dampener body and a first connecting rod, the first connecting rod position
In the both ends of the dampener body.
Preferably, one end of the drag-line is connected to the end of the support rod, the other end of the drag-line is connected to institute
State first connecting rod.
Preferably, the dampener body is hydraulic damper or electromagnetic damper.
Preferably, the support system further includes a pulley, the pulley is located at one end of the support rod, the drag-line
One end be connected to the pylon, the other end of the drag-line is connected to the damper module, is around in the middle part of the drag-line
On the pulley.
Preferably, the anchoring pile system includes one second connecting rod and an anchoring pile main body, second connecting rod is located at institute
State one end of anchoring pile main body.
Preferably, the tower frame shock absorbing device further includes an elastic system, the elastic system is located at the damper mould
Between block and the anchoring pile system.
Preferably, the elastic system includes a spring, a cylinder, a movable rod and a fixed connecting rod, the spring
Positioned at the inside of the cylinder, one end of the spring is connected to the movable rod, and the other end of the spring is connected to institute
It states at the inner wall top of cylinder, the fixed connecting rod is connected to the outside top of the cylinder.
Preferably, the fixed connecting rod is connected to the anchoring pile system, the movable rod is connected to the damper mould
Block.
The present invention also provides a kind of pylons, it is characterized in that, it is as described above that at least three are installed on the pylon
Tower frame shock absorbing device.The structural stability of the pylon can be made more by installing at least three tower frame shock absorbing devices as described above
It is high.
The positive effect of the present invention is that: the tower frame shock absorbing device and including its pylon use support device,
Drag-line, damper module and the common combination of elastic system, so that reaching common inhibits vortex-induced vibration and pylon random vibration
Effect, meanwhile, the horizontal and vertical pulling force that drag-line provides improves the stability of blower, and whole device space occupied
It is small, the practical cost economic of structure, construction feasibility height.
Detailed description of the invention
Fig. 1 is the tower frame shock absorbing device of the embodiment of the present invention 1 and the structural schematic diagram of the pylon including it.
Fig. 2 is the structural schematic diagram of the support system of the embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram of the damper module of the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram of the elastic system of the embodiment of the present invention 1.
Fig. 5 is the structural schematic diagram of the anchoring pile system of the embodiment of the present invention 1.
Fig. 6 is the tower frame shock absorbing device of the embodiment of the present invention 2 and the structural schematic diagram of the pylon including it.
Fig. 7 is the tower frame shock absorbing device of the embodiment of the present invention 3 and the structural schematic diagram of the pylon including it.
Description of symbols:
Support system 1
Support rod 11
Link block 12
Hound 13
Pulley 14
Drag-line 2
Damper module 3
Dampener body 31
First connecting rod 32
Elastic system 4
Spring 41
Cylinder 42
Movable rod 43
Fixed connecting rod 44
Anchoring pile system 5
Second connecting rod 51
Anchoring pile main body 52
Pylon 6
Specific embodiment
Three preferred embodiments are named, and completely illustrate the present invention in conjunction with attached drawing to become apparent from.
Embodiment 1
As depicted in figs. 1 and 2, the present invention provides a kind of tower frame shock absorbing device comprising a support system 1, support system 1
Including a support rod 11 and a link block 12, link block 12 is fixedly welded in 11 one end of support rod.The support system 1 further includes one
Hound 13 can make the structure of entire support system 1 stronger using hound 13.One end of hound 13 is fixedly welded
There is a link block 12,13 other end of hound is fixedly welded in 11 middle part of support rod, one position.Alternatively,
Usable others are fixedly connected with mode.The tower frame shock absorbing device further includes drag-line 2, damper module 3 and anchoring pile system 5, branch
Support system 1, drag-line 2 are successively attached in order between damper module 3 and anchoring pile system 5.
As shown in figure 3, damper module 3 includes a dampener body 31 and a first connecting rod 32, first connecting rod 32
The both ends of dampener body 31 are welded in, are used to be attached between other component.Dampener body 31 is hydraulic damper.
In order to make damper module 3 achieve the effect that inhibit body vibration, it is possible to use the damper of other types, such as electromagnetic damper
Deng.
As shown in figure 5, anchoring pile system 5 includes one second connecting rod 51 and an anchoring pile main body 52, the welding of the second connecting rod 51
In 52 one end of anchoring pile main body, it is used to be attached between other component.The anchoring pile main body 52 of anchoring pile system 5 is fixed on ground
On.
2 one end of drag-line is connected to 11 tail portion of support rod, and the other end is connected to the first connecting rod of 3 other end of damper module
32, whole drag-line 2 must be in tension state.
Finally, on the tower 6 by three tower frame shock absorbing device installings provided in this embodiment, i.e., by the company of support system 1
It connects block 12 to be bolted on pylon 6, then three tower frame shock absorbing devices are in the uniform formula distribution of sustained height.It is such
Installing mode can make the tower frame shock absorbing device and structural stability including its pylon higher.
Embodiment 2
As shown in fig. 6, the structure of the present embodiment is substantially the same manner as Example 1, and the difference is that: support system 1 is also
Including a pulley 14, pulley 14 is fixed on described 11 one end of support rod.One end of drag-line 2 is bundled on the pylon 6, then around
Pulley 14 is crossed, the other end is connected with the first connecting rod 32 of 3 other end of damper module.Increase by a pulley in 11 one end of support rod
14 can be to avoid the friction between drag-line 2 and support rod 11, and drag-line 2 itself can generate deformation, pulley due to tension
14 use then makes the deformation of drag-line 2 unfettered, to preferably achieve the effect that inhibit tower oscillation.
Embodiment 3
As shown in Fig. 4 and Fig. 7, the structure of the present embodiment is substantially the same manner as Example 1, the difference is that: the pylon
Vibration absorber further includes an elastic system 4.In order to adjust the intrinsic frequency of entire tower frame shock absorbing device, pylon vibration damping is avoided to fill
It sets and resonates with pylon 6, elastic system 4 is installed between damper module 3 and anchoring pile system 5.The elastic system 4 includes
One spring 41, a cylinder 42, a movable rod 43 and a fixed connecting rod 44.Spring 41 is located inside cylinder 42,41 one end of spring
It is fixed on movable rod 43,41 other end of spring is fixed at 42 inner wall top of cylinder, and fixed connecting rod 44 is welded in outside cylinder 42
Lateral roof.In order to achieve the effect that preferably tower frame shock absorbing device to be avoided to resonate with pylon 6, other bullets also can be used
Property device.Fixed connecting rod 44 is bolted to the second connecting rod 51 of anchoring pile system 5, and movable rod 43 is bolted
In the first connecting rod 32 of damper module 3.Alternatively, it is possible to use other movable connection methods.
The tower frame shock absorbing device of the present embodiment is not limited to using in the pylon field of wind power generating set, in large-scale cigarette
Chimney, signal tower, lamppost etc. may be generated and be can be used on the outer wall of the tall and slender structure of vibration.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (11)
1. a kind of tower frame shock absorbing device, which is characterized in that the tower frame shock absorbing device includes a support system, the support system
Including a support rod and one first link block, the support rod is fixed on the surface of a pylon, institute by first link block
Stating tower frame shock absorbing device further includes a drag-line, and a damper module and one are fixed on the anchoring pile system on ground, the support system,
It is sequentially connected between the drag-line, the damper module and the anchoring pile system.
2. tower frame shock absorbing device as described in claim 1, which is characterized in that the support system further includes a hound, institute
The one end for stating hound is connected with one second link block, and the other end of the hound is connected to the support rod.
3. tower frame shock absorbing device as described in claim 1, which is characterized in that the damper module includes a dampener body
With a first connecting rod, the first connecting rod is located at the both ends of the dampener body.
4. tower frame shock absorbing device as claimed in claim 3, which is characterized in that one end of the drag-line is connected to the support rod
End, the other end of the drag-line is connected to the first connecting rod.
5. tower frame shock absorbing device as claimed in claim 3, which is characterized in that the dampener body is hydraulic damper or electricity
Magnetic damper.
6. tower frame shock absorbing device as described in claim 1, which is characterized in that the support system further includes a pulley, described
Pulley is located at one end of the support rod, and one end of the drag-line is connected to the pylon, and the other end of the drag-line is connected to
The damper module is around on the pulley in the middle part of the drag-line.
7. tower frame shock absorbing device as described in claim 1, which is characterized in that the anchoring pile system include one second connecting rod and
One anchoring pile main body, second connecting rod are located at one end of the anchoring pile main body.
8. tower frame shock absorbing device as described in claim 1, which is characterized in that the tower frame shock absorbing device further includes an elasticity system
System, the elastic system is between the damper module and the anchoring pile system.
9. tower frame shock absorbing device as claimed in claim 8, which is characterized in that the elastic system include a spring, a cylinder,
One movable rod and a fixed connecting rod, the spring are located at the inside of the cylinder, and one end of the spring is connected to the work
Dynamic connecting rod, the other end of the spring are connected at the inner wall top of the cylinder, and the fixed connecting rod is connected to the cylinder
Outside top.
10. tower frame shock absorbing device as claimed in claim 9, which is characterized in that the fixed connecting rod is connected to the anchoring pile system
System, the movable rod are connected to the damper module.
11. a kind of pylon, which is characterized in that be installed at least three pylons as described in claim 1-10 on the pylon and subtract
Vibrating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556815.2A CN109441730A (en) | 2018-12-19 | 2018-12-19 | Tower frame shock absorbing device and pylon including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556815.2A CN109441730A (en) | 2018-12-19 | 2018-12-19 | Tower frame shock absorbing device and pylon including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441730A true CN109441730A (en) | 2019-03-08 |
Family
ID=65560364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556815.2A Pending CN109441730A (en) | 2018-12-19 | 2018-12-19 | Tower frame shock absorbing device and pylon including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441730A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952826A (en) * | 2019-11-15 | 2020-04-03 | 四川大学 | Stay cable type vibration and energy dissipation system for high-flexibility tower tube structure |
| CN113685485A (en) * | 2021-09-07 | 2021-11-23 | 湖南科技大学 | Double-layer cantilever support self-anchored flexible tower mast structure vibration damping cable |
| CN114838078A (en) * | 2022-03-17 | 2022-08-02 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1079U1 (en) * | 1992-04-29 | 1995-11-16 | Шарлот Юрий Михайлович | Mast |
| CN106368343A (en) * | 2016-11-15 | 2017-02-01 | 湖南科技大学 | Sag damping cable |
| CN108488045A (en) * | 2018-04-09 | 2018-09-04 | 西北工业大学 | Damper for blower fan pylon vibration damping |
| CN209724581U (en) * | 2018-12-19 | 2019-12-03 | 上海电气风电集团股份有限公司 | Tower frame shock absorbing device and pylon including it |
-
2018
- 2018-12-19 CN CN201811556815.2A patent/CN109441730A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1079U1 (en) * | 1992-04-29 | 1995-11-16 | Шарлот Юрий Михайлович | Mast |
| CN106368343A (en) * | 2016-11-15 | 2017-02-01 | 湖南科技大学 | Sag damping cable |
| CN108488045A (en) * | 2018-04-09 | 2018-09-04 | 西北工业大学 | Damper for blower fan pylon vibration damping |
| CN209724581U (en) * | 2018-12-19 | 2019-12-03 | 上海电气风电集团股份有限公司 | Tower frame shock absorbing device and pylon including it |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952826A (en) * | 2019-11-15 | 2020-04-03 | 四川大学 | Stay cable type vibration and energy dissipation system for high-flexibility tower tube structure |
| CN113685485A (en) * | 2021-09-07 | 2021-11-23 | 湖南科技大学 | Double-layer cantilever support self-anchored flexible tower mast structure vibration damping cable |
| CN114838078A (en) * | 2022-03-17 | 2022-08-02 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
| CN114838078B (en) * | 2022-03-17 | 2024-02-06 | 北京工业大学 | Amplification damping transmission system for vibration control of wind driven generator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200233 Caobao Road, Xuhui District, Shanghai, No. 115 Applicant after: Shanghai Electric Wind Power Group Co., Ltd Address before: 200233 Caobao Road, Xuhui District, Shanghai, No. 115 Applicant before: Shanghai Electric Wind Power Group Co., Ltd. |
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| CB02 | Change of applicant information |