CN208486984U - A kind of wind power tower drum trouble flow strip can inhibit vortex-induced vibration - Google Patents
A kind of wind power tower drum trouble flow strip can inhibit vortex-induced vibration Download PDFInfo
- Publication number
- CN208486984U CN208486984U CN201821114263.5U CN201821114263U CN208486984U CN 208486984 U CN208486984 U CN 208486984U CN 201821114263 U CN201821114263 U CN 201821114263U CN 208486984 U CN208486984 U CN 208486984U
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- Prior art keywords
- piece
- vortex
- flow strip
- trouble flow
- wind power
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- 239000002184 metal Substances 0.000 claims abstract description 48
- 239000004677 Nylon Substances 0.000 claims abstract description 24
- 229920001778 nylon Polymers 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims description 15
- 230000001629 suppression Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
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- Wind Motors (AREA)
Abstract
The utility model discloses a kind of wind power tower drum trouble flow strips that can inhibit vortex-induced vibration, including trouble flow strip main body, the trouble flow strip main body is looped around on the outer wall of wind power tower drum, the trouble flow strip main body includes that the first vortex inhibits piece and second eddy current to inhibit piece, and first vortex inhibit piece lower end be fixed with the second nylon rope, the second eddy current inhibits the internal sleeve of piece to be connected to connecting rod in succession, and the right end of connecting rod and the clamping of metal intermediate plate connect, the connecting rod and metal clip on piece all offer through-hole, and the fixed hub of through-hole and fixing piece connects in succession, the right end of the metal intermediate plate is welded with metal ring, and it is fixedly connected between metal ring by snak link.The utility model passes through setting trouble flow strip main body, the second nylon rope, metal ring, snak link, fixing piece and metal intermediate plate, it solves cost greatly to improve, and inhibit vortex-induced vibration ineffective, and cannot dismantle and arbitrarily replace, the small not very practical problem of use scope.
Description
Technical field
The utility model relates to wind power tower drum trouble flow strip technical field, specially a kind of wind that can inhibit vortex-induced vibration
Power power generation tower trouble flow strip.
Background technique
It is analyzed from the angle of fluid, any bluff, in perseverance when wind power generating set lifts in wind power plant
Under constant current speed, all the vortex on detaching structure object surface can be alternately generated in object two sides.This vortex meeting again alternately provided
On cylinder generate fair current to and flow over to periodically variable fluctuation pressure.If cylinder is resilient support at this time, or
Flexible pipe body allows that flexible deformation occurs, then Pulsating Flow physical strength will cause the periodic vibration of cylinder (tube body), this rule
Property column vibration can change the vortex-shedding form of its wake flow again in turn.The problem of this fluid and works interact quilt
Referred to as " vortex-induced vibration " will make tower that resonance occur broken if the natural frequency of vibration of tower is close with the granting frequency of whirlpool
It is bad, thus this vortex-induced vibration be it is extremely harmful, need to take measures the generation for preventing it, it is existing take measures there are two types of, one
It is to carry out rigid reinforcement for component, or increase scale and improve its rigidity, changes the natural frequency of vibration of component, avoid it and whirlpool
Frequency is provided to be close；Second is that trying every possible means to change the tail flow field after component, the regularity for destroying tail flow field whirlpool is released, and is such as being tied
Helix vertical plate is installed on structure and changes structural section shape etc..
But there is also following deficiencies for existing technology:
1, existing inhibition vortex-induced vibration measure is improved in structure, and cost can be improved greatly, and inhibits whirlpool exciting
Move it is ineffective, it is not very practical；
2, existing inhibition vortex-induced vibration measure is improved in structure, is fixed structure, cannot be dismantled and arbitrarily be replaced,
Use scope is small, not very practical.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of wind power tower drum that can inhibit vortex-induced vibration and disturbs
Item is flowed, cost is solved and greatly improves, and inhibits vortex-induced vibration ineffective, and cannot dismantle and arbitrarily replace, uses model
Enclose small not very practical problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of wind-force hair can inhibit vortex-induced vibration
Pylon cylinder trouble flow strip, including trouble flow strip main body, the trouble flow strip main body are looped around on the outer wall of wind power tower drum, the flow-disturbing
Main body includes that the first vortex inhibits piece and second eddy current to inhibit piece, and the first vortex inhibits the lower end of piece to be fixed with the second nylon
Rope, the second eddy current inhibits the internal sleeve of piece to be connected to connecting rod in succession, and the right end of connecting rod and the clamping of metal intermediate plate connect,
The connecting rod and metal clip on piece all offer through-hole, and the fixed hub of through-hole and fixing piece connects in succession, the metal clip
The right end of piece is welded with metal ring, and is fixedly connected between metal ring by snak link.
Preferably, the quantity of the trouble flow strip main body is three, and described in being fixed on by the first nylon rope wound side by side
On the outer wall of wind power tower drum.
Preferably, the second eddy current inhibits the inside of piece to be bonded with plastic bushing and gum sleeve from right to left, and moulds
Expect that casing and gum sleeve and connecting rod socket connect.
Preferably, first vortex inhibits piece upper end to inhibit the lower end of piece is fixed to connect by snak link and second eddy current
It connects.
Preferably, the second eddy current inhibits the fixing piece at piece or so end and metal intermediate plate mutually symmetrical with.
The utility model provides a kind of wind power tower drum trouble flow strip that can inhibit vortex-induced vibration, has following beneficial to effect
Fruit:
(1) the utility model is by setting trouble flow strip main body, the first nylon rope and the second nylon rope, by trouble flow strip main ring
It is wound on the outer wall of wind power tower drum, and trouble flow strip main body is fixedly connected by the first nylon rope with wind power tower drum, used
When more trouble flow strip main bodys are equidistantly wrapped in wind power tower drum upper section, then more trouble flow strip main bodys are consolidated with the first nylon rope
It is scheduled on wind power tower drum, finally inhibits piece bottom end the second nylon wire saws to ground to consolidate the first vortex of trouble flow strip main body
It is fixed, the track come wind is upset by the trouble flow strip main body being affixed by wind power tower drum, prevents it from forming frequency stabilization
Whirlpool solves cost and greatly improves, and the problem for inhibiting vortex-induced vibration ineffective, not very practical.
(2) the utility model is inhibited by setting metal ring, snak link, fixing piece and metal intermediate plate by second eddy current
The internal sleeve of piece is connected to connecting rod in succession, and the right end of connecting rod and the clamping of metal intermediate plate connect, connecting rod and metal clip on piece
Through-hole and the fixed hub of fixing piece connect in succession, reach the effect that second eddy current inhibits disassembly rotatable and easy to install between piece
Fruit, then metal ring is welded with by the right end of metal intermediate plate, and be fixedly connected between metal ring by snak link, second eddy current
The inside of piece is inhibited to be bonded with plastic bushing and gum sleeve from right to left, and plastic bushing and gum sleeve and connecting rod are socketed
Connection, plastic bushing and gum sleeve reduce connecting rod to a certain extent and second eddy current inhibits the abrasion of piece, and increasing makes
With the service life, finally inhibits piece upper end to inhibit the lower end of piece to be fixedly connected with second eddy current by snak link by the first vortex, reach
The quick detachable effect arbitrarily replaced, and use scope is wide is suitable for most of wind power tower drums, solve cannot dismantle and with
Meaning replacement, the small not very practical problem of use scope.
Detailed description of the invention
Fig. 1 is the scheme of installation of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram that second eddy current inhibits piece in the utility model Fig. 2；
Fig. 4 is schematic enlarged-scale view at A in the utility model Fig. 3.
In figure: 1, wind power tower drum；2, trouble flow strip main body；3, the first nylon rope；4, the second nylon rope；5, the first vortex
Inhibit piece；6, metal ring；7, second eddy current inhibits piece；8, snak link；9, gum sleeve；10, plastic bushing；11, connecting rod；
12, fixing piece；13, through-hole；14, fixing axle；15, metal intermediate plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, the utility model provides a kind of technical solution: a kind of to can inhibit the wind power generation stepped of vortex-induced vibration
Cylinder trouble flow strip, including trouble flow strip main body 2, trouble flow strip main body 2 are looped around on the outer wall of wind power tower drum 1, and trouble flow strip main body 2 is logical
It crosses the first nylon rope 3 to be fixedly connected with wind power tower drum 1, trouble flow strip main body 2 includes that the first vortex inhibits piece 5 and second eddy current
Inhibit piece 7, the first vortex inhibits 5 upper end of piece to inhibit the lower end of piece 7 to be fixedly connected with second eddy current by snak link 8, and first
Vortex inhibits the lower end of piece 5 to be fixed with the second nylon rope 4, and trouble flow strip main body 2, the first nylon rope 3 and the second nylon rope 4 is arranged,
The outer wall of wind power tower drum 1 is looped around by trouble flow strip main body 2, and the quantity of trouble flow strip main body 2 is three, and passes through the first Buddhist nun
Dragon 3 wound side by side of rope are fixed on the outer wall of the wind power tower drum 1, will the equidistant winding of more trouble flow strip main bodys 2 when use
More trouble flow strip main bodys 2 are fixed on wind power tower drum 1 in 1 upper section of wind power tower drum, then with the first nylon rope 3, most
5 the second nylon rope of bottom end 4 of piece traction to ground is inhibited to fix the first vortex of trouble flow strip main body 2 afterwards, by being affixed by wind-force
Trouble flow strip main body 2 in power generation tower 1 upsets the track for carrying out wind, prevents it from the whirlpool for forming frequency stabilization, solves cost
The problem for greatly improving, and inhibiting vortex-induced vibration ineffective, not very practical, second eddy current inhibit the inside of piece 7 from the right side
It is bonded with plastic bushing 10 and gum sleeve 9 to a left side, and plastic bushing 10 and gum sleeve 9 and the socket of connecting rod 11 connect, the
Two vortex inhibit the internal sleeve of piece 7 to be connected to connecting rod 11 in succession, and the right end of connecting rod 11 and the clamping of metal intermediate plate 15 connect, even
Through-hole 13 is all offered on extension bar 11 and metal intermediate plate 15, and the fixing axle 14 of through-hole 13 and fixing piece 12 is socketed and connects, metal
The right end of intermediate plate 15 is welded with metal ring 6, and is fixedly connected between metal ring 6 by snak link 8, and second eddy current inhibits piece
The fixing piece 12 and metal intermediate plate 15 at 7 or so ends are mutually symmetrical with, setting metal ring 6, snak link 8, fixing piece 12 and metal clip
Piece 15 inhibits the internal sleeve of piece 7 to be connected to connecting rod 11 in succession by second eddy current, and the right end of connecting rod 11 and metal intermediate plate 15 block
It connects in succession, the fixing axle 14 of the through-hole 13 in connecting rod 11 and metal intermediate plate 15 and fixing piece 12, which is socketed, to be connected, and the second whirlpool is reached
Stream inhibits rotatable between piece 7 and disassembly easy to install effect, then is welded with metal ring 6 by the right end of metal intermediate plate 15, and
It is fixedly connected between metal ring 6 by snak link 8, second eddy current inhibits the inside of piece 7 to be bonded with plastic bushing from right to left
10 and gum sleeve 9, and plastic bushing 10 and gum sleeve 9 and the socket of connecting rod 11 connect, plastic bushing 10 and gum sleeve 9
Reduce connecting rod 11 to a certain extent and second eddy current inhibits the abrasion of piece 7, increase service life, finally by the first vortex
Inhibit 5 upper end of piece to inhibit the lower end of piece 7 to be fixedly connected with second eddy current by snak link 8, reaches the quick detachable effect arbitrarily replaced
Fruit, and use scope is wide, is suitable for most of wind power tower drums 1, solving cannot dismantle and arbitrarily replace, and use scope is small
Not very practical problem.
Working principle: in use, being looped around the outer wall of wind power tower drum 1 by trouble flow strip main body 2, and trouble flow strip main body 2
It is fixedly connected by the first nylon rope 3 with wind power tower drum 1, more trouble flow strip main bodys 2 is equidistantly wrapped in wind-force when use
Generate electricity 1 upper section of tower, then more trouble flow strip main bodys 2 are fixed on wind power tower drum 1 with the first nylon rope 3, will finally disturb
First vortex of stream main body 2 inhibits 5 the second nylon rope of bottom end 4 of piece traction to ground to fix, by being affixed by wind power generation stepped
Trouble flow strip main body 2 on cylinder 1 upsets the track for carrying out wind, prevents it from the whirlpool for forming frequency stabilization, solves cost greatly
The problem for improving, and inhibiting vortex-induced vibration ineffective, not very practical inhibits the internal sleeve of piece 7 to connect in succession by second eddy current
There is connecting rod 11, and the right end of connecting rod 11 and the clamping of metal intermediate plate 15 connect, the through-hole in connecting rod 11 and metal intermediate plate 15
13 are socketed with the fixing axle 14 of fixing piece 12 and connect, and reach the effect that second eddy current inhibits disassembly rotatable and easy to install between piece 7
Fruit, then metal ring 6 is welded with by the right end of metal intermediate plate 15, and be fixedly connected between metal ring 6 by snak link 8, the
Two vortex inhibit the inside of piece 7 to be bonded with plastic bushing 10 and gum sleeve 9, and plastic bushing 10 and gum sleeve from right to left
9 connect with the socket of connecting rod 11, and plastic bushing 10 and gum sleeve 9 reduce connecting rod 11 and second eddy current suppression to a certain extent
The abrasion of film-making 7 increases service life, finally inhibits 5 upper end of piece to inhibit by snak link 8 and second eddy current by the first vortex
The lower end of piece 7 is fixedly connected, achieve the effect that it is quick detachable arbitrarily replace, and use scope is wide, is suitable for most of wind-power electricity generations
Tower 1, solving cannot dismantle and arbitrarily replace, the small not very practical problem of use scope.
It can to sum up obtain, the utility model passes through setting trouble flow strip main body 2, the first nylon rope 3, the second nylon rope 4, round metal
Ring 6, snak link 8, fixing piece 12 and metal intermediate plate 15, solve cost and greatly improve, and inhibit vortex-induced vibration ineffective,
With cannot dismantle and arbitrarily replace, the small not very practical problem of use scope.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of wind power tower drum trouble flow strip that can inhibit vortex-induced vibration, including trouble flow strip main body (2), it is characterised in that: institute
It states trouble flow strip main body (2) to be looped around on the outer wall of wind power tower drum (1), the trouble flow strip main body (2) includes the first vortex suppression
Film-making (5) and second eddy current inhibit piece (7), and the first vortex inhibits the lower end of piece (5) to be fixed with the second nylon rope (4), described
Second eddy current inhibits the internal sleeve of piece (7) to be connected in succession connecting rod (11), and the right end of connecting rod (11) and metal intermediate plate (15)
Clamping connects, and all offers through-hole (13) on the connecting rod (11) and metal intermediate plate (15), and through-hole (13) and fixing piece
(12) fixing axle (14) is socketed connection, and the right end of the metal intermediate plate (15) is welded with metal ring (6), and metal ring
(6) it is fixedly connected between by snak link (8).
2. a kind of wind power tower drum trouble flow strip that can inhibit vortex-induced vibration according to claim 1, it is characterised in that: institute
The quantity for stating trouble flow strip main body (2) is three, and is fixed on the wind power tower drum by the first nylon rope (3) wound side by side
(1) on outer wall.
3. a kind of wind power tower drum trouble flow strip that can inhibit vortex-induced vibration according to claim 1, it is characterised in that: institute
Stating second eddy current inhibits the inside of piece (7) to be bonded with plastic bushing (10) and gum sleeve (9), and plastic bushing from right to left
(10) it is connected with gum sleeve (9) with connecting rod (11) socket.
4. a kind of wind power tower drum trouble flow strip that can inhibit vortex-induced vibration according to claim 1, it is characterised in that: institute
Stating the first vortex inhibits piece (5) upper end to inhibit the lower end of piece (7) to be fixedly connected with second eddy current by snak link (8).
5. a kind of wind power tower drum trouble flow strip that can inhibit vortex-induced vibration according to claim 1, it is characterised in that: institute
Stating second eddy current inhibits the fixing piece (12) at piece (7) left and right end and metal intermediate plate (15) mutually symmetrical with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114263.5U CN208486984U (en) | 2018-07-14 | 2018-07-14 | A kind of wind power tower drum trouble flow strip can inhibit vortex-induced vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114263.5U CN208486984U (en) | 2018-07-14 | 2018-07-14 | A kind of wind power tower drum trouble flow strip can inhibit vortex-induced vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486984U true CN208486984U (en) | 2019-02-12 |
Family
ID=65247179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821114263.5U Expired - Fee Related CN208486984U (en) | 2018-07-14 | 2018-07-14 | A kind of wind power tower drum trouble flow strip can inhibit vortex-induced vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208486984U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735767A (en) * | 2019-09-18 | 2020-01-31 | 浙江运达风电股份有限公司 | flexible tower wind-induced vibration flow disturbing device of retractable wind generating set |
| CN110925148A (en) * | 2019-12-13 | 2020-03-27 | 明阳智慧能源集团股份公司 | Wind power tower tube spoiler |
| CN110925151A (en) * | 2019-11-14 | 2020-03-27 | 徐州九鼎锻造科技有限公司 | Aerogenerator main shaft convenient to maintain |
| CN112013195A (en) * | 2020-08-21 | 2020-12-01 | 上海核工程研究设计院有限公司 | Device for avoiding piping vibration caused by vortex shedding |
| CN112610061A (en) * | 2020-12-18 | 2021-04-06 | 内蒙古鲁电蒙源电力工程有限公司 | Turbulent flow energy dissipation device for inhibiting aeolian vibration of steel pipe tower rod piece |
-
2018
- 2018-07-14 CN CN201821114263.5U patent/CN208486984U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735767A (en) * | 2019-09-18 | 2020-01-31 | 浙江运达风电股份有限公司 | flexible tower wind-induced vibration flow disturbing device of retractable wind generating set |
| CN110925151A (en) * | 2019-11-14 | 2020-03-27 | 徐州九鼎锻造科技有限公司 | Aerogenerator main shaft convenient to maintain |
| CN110925148A (en) * | 2019-12-13 | 2020-03-27 | 明阳智慧能源集团股份公司 | Wind power tower tube spoiler |
| CN112013195A (en) * | 2020-08-21 | 2020-12-01 | 上海核工程研究设计院有限公司 | Device for avoiding piping vibration caused by vortex shedding |
| CN112610061A (en) * | 2020-12-18 | 2021-04-06 | 内蒙古鲁电蒙源电力工程有限公司 | Turbulent flow energy dissipation device for inhibiting aeolian vibration of steel pipe tower rod piece |
| CN112610061B (en) * | 2020-12-18 | 2022-04-26 | 内蒙古鲁电蒙源电力工程有限公司 | Turbulent flow energy dissipation device for inhibiting aeolian vibration of steel pipe tower rod piece |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |