CN207974602U - A kind of windmill tower frame tuned mass damper - Google Patents
A kind of windmill tower frame tuned mass damper Download PDFInfo
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- CN207974602U CN207974602U CN201820083557.XU CN201820083557U CN207974602U CN 207974602 U CN207974602 U CN 207974602U CN 201820083557 U CN201820083557 U CN 201820083557U CN 207974602 U CN207974602 U CN 207974602U
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- block
- holder
- sunpender
- tower frame
- windmill tower
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Abstract
The utility model is related to tuned mass damper technical field more particularly to a kind of windmill tower frame tuned mass dampers.The utility model provides a kind of windmill tower frame tuned mass damper, including：Holder, damping block, sunpender and mass block；Holder is fixedly connected with wind turbine tower frame body；Damping block is set on holder, and mass block hangs on the lower section of holder by sunpender；Sunpender is through holder；Vibrational energy of the damping block for sunpender transmission of dissipating.In the utility model, damping block is set on holder, mass block hangs on the lower section of holder by sunpender, sunpender is through holder, vibrational energy of the damping block for sunpender transmission of dissipating, windmill tower frame tuned mass damper can limit its maximum displacement by sunpender upper end, it is therefore prevented that mass block is collided with wind turbine tower frame body；Also, when sunpender upper end and damping block collide, damping block can effectively consume vibrational energy, increase damping effect.
Description
Technical field
The utility model is related to tuned mass damper technical fields more particularly to a kind of windmill tower frame tuning quality to hinder
Buddhist nun's device.
Background technology
With the development of economy, civil engineering industry constantly develops, and complexity, the structure of Gao Rou are more and more, especially
Wind-power electricity generation is continually developed as new energy, and windmill tower frame is more and more used.The lateral rigidity of tall and slender structure compared with
It is small, larger response is easy tod produce under wind load and seismic loading, structure can be caused to destroy when serious, influences to tie
Structure safety.Therefore, the vibration control of windmill tower frame structure is very important.
Single pendulum tuned mass damper (TMD) is as a kind of vibration reducing measure with smaller to structural modification, installation is simple, subtracts
Therefore the characteristics of significant effect of shaking and low cost, is widely used in the wind shake and seismic response control of domestic and international tall and slender structure.
Traditional single pendulum tuned mass damper is made of spring, mass block and viscous damper.Its action principle is：When external force applies
When agent structure, the inertia force on mass block is reversely applied in agent structure, inhibits the vibration of agent structure.Acutely shaking
In the case of dynamic, mass block, which is possible to collide with agent structure, leads to structural failure.
Utility model content
The utility model embodiment discloses a kind of windmill tower frame tuned mass damper, for solving existing single pendulum matter
Amount tuned damper is possible to collide with agent structure in high vibration mass block leads to asking for structural failure
Topic.
A kind of windmill tower frame tuned mass damper, including：Holder, damping block, sunpender and mass block；
The holder is fixedly connected with wind turbine tower frame body；
The damping block is set on the holder, and the mass block is hung on by the sunpender under the holder
Side；
The sunpender is flexibly connected through the holder and with the holder；
The vibrational energy that the damping block is transmitted for the sunpender that dissipates.
Preferably, the wind turbine tower frame body is annular body；
The quantity of the holder is two or more, and the holder is circumferentially fixed in the inside of the annular body
Face；
The quantity of the damping block and the sunpender is identical as the quantity of the holder；
The mass block is annulus mass block.
Preferably, further include：Suspend block in midair；
The suspention block is fixed on the holder；
The sunpender is through the suspention block；
The sunpender is flexibly connected with the suspention block.
Preferably, the central upper portion position of the suspention block opens up fluted, and the bottom of the suspention block offers loudspeaker
Shape hole, the groove is communicated with the tubaeform hole and the slot at the tubaeform hole is towards the groove；
The holder position opposite with the tubaeform hole offers first through hole；
It is provided with spherical surface sliding block in the groove, is provided with rotation hemisphere on the spherical surface sliding block, in the spherical surface sliding block
The heart has the trepanning adaptable with the tubaeform hole and the rotation hemisphere；
The center of the rotation hemisphere offers the second through-hole.
Preferably, the sunpender is connect with the annulus mass block buckle-type.
Preferably, the connecting pin of the sunpender and the annulus mass block is provided with open pore；
The annulus mass block is provided with loop fasteners；
The loop fasteners are connect with the open pore.
Preferably, the quantity of the holder is four.
Preferably, the middle part plano-convex and both ends plano-concave of the damping block.
Preferably, the sunpender is rigid hanger；
The rigid hanger is steel pole.
Preferably, the damping block is high-damping rubber block.
In conclusion the utility model provides a kind of windmill tower frame tuned mass damper, including：Holder, damping
Block, sunpender and mass block；The holder is fixedly connected with wind turbine tower frame body；The damping block is set to the holder
On, the mass block hangs on the lower section of the holder by the sunpender；The sunpender is through the holder；The damping
The vibrational energy that block is transmitted for the sunpender that dissipates.In the utility model, damping block is set on holder, and mass block is logical
Cross the lower section that sunpender hangs on holder, the vibrational energy that sunpender is transmitted through holder, damping block for the sunpender that dissipates, wind-force
Machine pylon tuned mass damper can limit its maximum displacement by sunpender upper end, it is therefore prevented that mass block and wind turbine tower frame body
Collision；Also, when sunpender upper end and damping block collide, damping block can effectively consume vibrational energy, increase damping effect
Fruit.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of vertical view of the windmill tower frame tuned mass damper provided in the utility model embodiment；
Fig. 2 is a kind of side view of the windmill tower frame tuned mass damper provided in the utility model embodiment；
Fig. 3 is partial structurtes A in a kind of windmill tower frame tuned mass damper provided in the utility model embodiment
Enlarged drawing；
Fig. 4 is partial structurtes B in a kind of windmill tower frame tuned mass damper provided in the utility model embodiment
Enlarged drawing；
Fig. 5 is damping block in a kind of windmill tower frame tuned mass damper provided in the utility model embodiment
Structural schematic diagram；
It illustrates：1. wind turbine tower frame body；2. holder；3. sunpender；4. mass block；5. damping block；6. suspending block in midair；
7. spherical surface sliding block；8. rotating hemisphere；9. groove；10. tubaeform hole；11. first through hole；12. trepanning；13. the second through-hole；
14. open pore；15. loop fasteners.
Specific implementation mode
The utility model embodiment discloses a kind of windmill tower frame tuned mass damper, for solving existing single pendulum matter
Amount tuned damper is possible to collide with agent structure in high vibration mass block leads to asking for structural failure
Topic.
Referring to Fig. 1, one of a kind of windmill tower frame tuned mass damper provided in the utility model embodiment
Embodiment includes：Holder 2, damping block 5, sunpender 3 and mass block 4；
Holder 2 is fixedly connected with wind turbine tower frame body 1；
Damping block 5 is set on holder 2, and mass block 4 hangs on the lower section of holder 2 by sunpender 3；
Sunpender 3 is flexibly connected through holder 2 and with holder 2；
Vibrational energy of the damping block 5 for the transmission of sunpender 3 of dissipating.
In the utility model embodiment, damping block 5 is set on holder 2, and mass block 4 hangs on holder 2 by sunpender 3
Lower section, through holder 2, damping block 5 is used to dissipate the vibrational energy of the transmission of sunpender 3 sunpender 3, and windmill tower frame tunes matter
Amount damper can limit its maximum displacement by 3 upper end of sunpender, it is therefore prevented that mass block 4 is collided with wind turbine tower frame body 1；And
And when 3 upper end of sunpender and damping block 5 collide, damping block 5 can effectively consume vibrational energy, increase damping effect.
In the utility model embodiment, wind turbine tower frame body 1 is annular body；
The quantity of holder 2 be two or more, the circumferentially fixed medial surface in annular body of holder 2；
The quantity for damping block 5 and sunpender 3 is identical as the quantity of holder 2；
Mass block 4 is annulus mass block.
Further, further include：Suspend block 6 in midair；
Suspention block 6 is fixed on holder 2；
Sunpender 3 through suspention block 6；
Sunpender 3 is flexibly connected with suspention block 6.
In the utility model embodiment, the central upper portion position of suspention block 6 opens up fluted 9, and the bottom of suspention block 6 opens up
There is a tubaeform hole 10, groove 9 is communicated with tubaeform hole 10 and the slot at tubaeform hole 10 is towards groove 9；
The position opposite with tubaeform hole 10 of holder 2 offers first through hole 11；
Spherical surface sliding block 7 is provided in groove 9, be provided on spherical surface sliding block 7 rotation hemisphere 8,7 center of spherical surface sliding block have with
The trepanning that tubaeform hole 10 and rotation hemisphere 8 are adapted；
The center of rotation hemisphere 8 offers the second through-hole 13.
In the utility model embodiment, 3 upper end of sunpender is connect by spherical surface sliding block 7 and rotation hemisphere 8 with holder 2, is ensured
Rotating property at suspension centre, 3 lower end of sunpender by snapping, are effectively reduced the rotary inertia pair of mass block 4 with mass block 4
The influence of the frequency of the utility model windmill tower frame tuned mass damper so that the utility model windmill tower frame tunes matter
Measuring damper has good rotating property, realizes multidirectional effectiveness in vibration suppression.
The utility model windmill tower frame tuned mass damper overcomes viscous damper and is mainly used for dissipation mass block
Vibrational energy, but the drawbacks of it is with one direction vibration damping.The frequency of tall and slender structure often changes in use,
The pendulum length of single pendulum tuned mass damper cannot be adjusted, it will caused the natural frequency of vibration and tall and slender structure frequency inconsistent, influenced to subtract
It shakes effect.And the utility model windmill tower frame tuned mass damper occur high-amplitude vibration when, 3 upper end of sunpender with damping keep off
Block 5 collides, and changes simultaneously 3 pendulum length of sunpender, to change the frequency of the utility model windmill tower frame tuned mass damper
Rate reaches better effectiveness in vibration suppression.
In the utility model embodiment, sunpender 3 is connect with annulus mass block buckle-type.
Sunpender 3 and the connecting pin of annulus mass block are provided with open pore 14；
Annulus mass block is provided with loop fasteners 15；
Loop fasteners 15 are connect with open pore 14.
In the utility model embodiment, the quantity of holder 2 is four.
It should be noted that the quantity of holder 2, damping block 5 and sunpender 3 can be adjusted according to actual needs.
Damp the middle part plano-convex and both ends plano-concave of block 5.
Sunpender 3 is rigid hanger；
Rigid hanger is steel pole.
In the utility model embodiment, damping block 5 is high-damping rubber block.
It is maximum can to limit mass block 4 when high-amplitude vibration occurs for the utility model windmill tower frame tuned mass damper
Displacement is swung, prevents from colliding with wind turbine tower frame body 1, while changeable pendulum length, the natural frequency of vibration is adjusted, utmostly sends out
Wave effectiveness in vibration suppression.
The utility model windmill tower frame tuned mass damper improves windmill tower frame under wind shake and geological process
Anti-seismic performance, and overcome existing for conventional tuned mass damper can only one direction carry out vibration damping and mass block 4 holds
The deficiencies of easily colliding with wind turbine tower frame body 1.The utility model windmill tower frame tuned mass damper simple structure,
Easy to implement and effectiveness in vibration suppression is apparent, can substantially reduce deformation of the windmill tower frame under wind load and geological process.
A kind of windmill tower frame tuned mass damper provided by the utility model is described in detail above, it is right
In those of ordinary skill in the art, based on the idea of the embodiment of the present invention, in specific embodiments and applications
There will be changes, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of windmill tower frame tuned mass damper, which is characterized in that including：Holder, damping block, sunpender and quality
Block；
The holder is fixedly connected with wind turbine tower frame body；
The damping block is set on the holder, and the mass block hangs on the lower section of the holder by the sunpender；
The sunpender is flexibly connected through the holder and with the holder；
The vibrational energy that the damping block is transmitted for the sunpender that dissipates.
2. windmill tower frame tuned mass damper according to claim 1, which is characterized in that the windmill tower frame master
Body is annular body；
The quantity of the holder is two or more, the circumferentially fixed medial surface in the annular body of the holder；
The quantity of the damping block and the sunpender is identical as the quantity of the holder；
The mass block is annulus mass block.
3. windmill tower frame tuned mass damper according to claim 2, which is characterized in that further include：Suspend block in midair；
The suspention block is fixed on the holder；
The sunpender is through the suspention block；
The sunpender is flexibly connected with the suspention block.
4. windmill tower frame tuned mass damper according to claim 3, which is characterized in that the top of the suspention block
Center opens up fluted, and the bottom of the suspention block offers tubaeform hole, the groove and the tubaeform hole
It communicates and the slot at the tubaeform hole is towards the groove；
The holder position opposite with the tubaeform hole offers first through hole；
It is provided with spherical surface sliding block in the groove, rotation hemisphere, the spherical surface center tool are provided on the spherical surface sliding block
There is the trepanning adaptable with the tubaeform hole and the rotation hemisphere；
The center of the rotation hemisphere offers the second through-hole.
5. windmill tower frame tuned mass damper according to claim 2, which is characterized in that the sunpender and the ring
Form quality gauge block buckle-type connects.
6. windmill tower frame tuned mass damper according to claim 5, which is characterized in that the sunpender and the ring
The connecting pin of form quality gauge block is provided with open pore；
The annulus mass block is provided with loop fasteners；
The loop fasteners are connect with the open pore.
7. windmill tower frame tuned mass damper according to claim 2, which is characterized in that the quantity of the holder is
Four.
8. windmill tower frame tuned mass damper according to claim 2, which is characterized in that in the damping block
Portion's plano-convex and both ends plano-concave.
9. windmill tower frame tuned mass damper according to claim 2, which is characterized in that the sunpender is that rigidity is hung
Bar；
The rigid hanger is steel pole.
10. windmill tower frame tuned mass damper according to claim 2, which is characterized in that the damping block is
High-damping rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083557.XU CN207974602U (en) | 2018-01-18 | 2018-01-18 | A kind of windmill tower frame tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083557.XU CN207974602U (en) | 2018-01-18 | 2018-01-18 | A kind of windmill tower frame tuned mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207974602U true CN207974602U (en) | 2018-10-16 |
Family
ID=63769865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820083557.XU Active CN207974602U (en) | 2018-01-18 | 2018-01-18 | A kind of windmill tower frame tuned mass damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN207974602U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835963A (en) * | 2019-11-26 | 2020-02-25 | 大连理工大学 | Yaw-based wind power generation structure vibration control tuned mass damper |
| WO2021052427A1 (en) * | 2019-09-20 | 2021-03-25 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN114934879A (en) * | 2022-05-30 | 2022-08-23 | 兰州理工大学 | Liftable wind driven generator tower barrel structure and connecting method thereof |
-
2018
- 2018-01-18 CN CN201820083557.XU patent/CN207974602U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052427A1 (en) * | 2019-09-20 | 2021-03-25 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN110835963A (en) * | 2019-11-26 | 2020-02-25 | 大连理工大学 | Yaw-based wind power generation structure vibration control tuned mass damper |
| CN114934879A (en) * | 2022-05-30 | 2022-08-23 | 兰州理工大学 | Liftable wind driven generator tower barrel structure and connecting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200122 Address after: 510000 room 501-503, annex building, Huaye building, No.1-3, Chumo new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Electric Power Research Institute of energy technology limited liability company Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Co-patentee before: Guangdong Electric Power Research Institute of energy technology limited liability company Patentee before: Electric Power Research Institute of Guangdong Power Grid Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Patentee after: China Southern Power Grid Power Technology Co.,Ltd. Address before: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Patentee before: GUANGDONG ELECTRIC POWER SCIENCE RESEARCH INSTITUTE ENERGY TECHNOLOGY Co.,Ltd. |