CN209483537U - A kind of inflation by-pass means of blower fan tower barrel and tower and Wind turbines including it - Google Patents
A kind of inflation by-pass means of blower fan tower barrel and tower and Wind turbines including it Download PDFInfo
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- CN209483537U CN209483537U CN201920109138.3U CN201920109138U CN209483537U CN 209483537 U CN209483537 U CN 209483537U CN 201920109138 U CN201920109138 U CN 201920109138U CN 209483537 U CN209483537 U CN 209483537U
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- restraint zone
- tower
- wind
- inflatable column
- inflation
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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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Abstract
The utility model discloses a kind of inflation by-pass means of blower fan tower barrel and including its tower and Wind turbines, belong to Wind turbines field, for installation into the tower of Wind turbines, including restraint zone, suspension centre and inflatable column can be wound；Restraint zone includes the upper restraint zone and lower restraint zone for being respectively provided with suspension centre, upper restraint zone is for being mounted on tower top at upper flange, lower restraint zone is for being mounted on tower lower part at lower flange, the length that inflatable column can be wound is that at least one circle can be wound in tower, and the both ends that can wind inflatable column pass through short rope respectively and are connected on the suspension centre of restraint zone and lower restraint zone.The utility model is wrapped in tower by that can wind inflatable column, is solved the problems, such as vortex-induced vibration, is avoided tower structural damage.The utility model has the advantages of simple structure, installation, convenient disassembly, can also make its convenient transportation by that can wind inflatable column deflation diminution volume by that can wind the live inflation of inflatable column progress, can reduce transportation cost.
Description
Technical field
The utility model relates to Wind turbines fields, a kind of inflation by-pass means more particularly to blower fan tower barrel and including
Its tower and Wind turbines.
Background technique
As wind-driven generator kludge quantity constantly expands, single-machine capacity constantly increases, and used tower is also more next
Higher, more stringent requirements are proposed for adaptability and reliability to wind power generating set.Wind power generating set is typically mounted at more
Wind area, therefore in the hoisting process of tower barrel of wind generating set, when flow velocity reaches certain numerical value, the tower back side occurs anti-
The Karman vortex street of symmetrical chiasma arrangement.When the natural frequency of vibration of tower in a fluid and transversely acting bias power frequency are close, and tower
Cylinder damping is again very low, and violent covibration will occur, and generates vortex-induced vibration, leads to structural damage, finally jeopardizes entire
The safety of engineering.
Once vortex-induced vibration occurs for tower, fatigue damage can be generated to this body structure of tower and its fastener, the service life is reduced.
Solution most economical at present is the aerodynamic configuration for changing tower structure, and tower surface gas is made not occur to separate or generate whirlpool
Whirlpool.It is used in current most of wind power generating sets and solves the problems, such as vortex-induced vibration in the axially disposed item that streams in tower surface,
But tradition streams an installation steps complexity, at high cost, and the transportation volume for streaming block is very big, is unfavorable for long-distance transportation.
Therefore, the new by-pass means of one kind are needed and hanging method solves current problem.
Utility model content
The problem of not only having can solve the vortex-induced vibration of tower the technical problem to be solved by the present invention is to provide one kind but also peace
The inflation by-pass means of convenient, convenient transportation the blower fan tower barrel of dress and tower and Wind turbines including it.
In order to solve the above technical problems, the technical scheme that the utility model is provided is as follows:
On the one hand, the utility model provides a kind of inflation by-pass means of blower fan tower barrel, for installation into Wind turbines
In tower, including restraint zone, suspension centre and inflatable column can be wound；The restraint zone includes being respectively provided with the upper restraint zone of suspension centre under
Restraint zone, the upper restraint zone is for being mounted on tower top at upper flange, and the lower restraint zone is for being mounted on tower
Lower part is at lower flange, and the length for winding inflatable column is that at least one circle can be wound in tower, and described wind is filled
The both ends of air column pass through short rope respectively and are connected on the suspension centre of restraint zone and lower restraint zone.
Further, locking mechanism is installed for fixed on restraint zone or mobile on the suspension centre.
Further, the restraint zone is locking type restraint zone or dop type restraint zone.
Further, the short rope is nylon rope.
Further, the short rope length wound between inflatable column and suspension centre is 60mm~150mm.
Further, the quantity for winding inflatable column is multiple, corresponding, on upper restraint zone and lower restraint zone respectively
Multiple suspension centres corresponding with that can wind inflatable column quantity are installed.
Further, the inflatable column that winds is equipped with threeway gas ducting, the gas ducting be used for by with drum
Blower, which is connected, to be inflated in inflatable column to that can wind or is deflated by gas ducting.
On the other hand, a kind of tower is provided, the inflation by-pass means of the blower fan tower barrel are installed in the tower.
Further, in the tower below upper flange the position of 200mm~300mm be equipped with suspension centre
Upper restraint zone is equipped with the lower fastening with suspension centre in the position apart from the above 200mm~300mm of lower flange in the tower
Band is connected be wrapped in tower described by short rope and winds inflatable column between upper restraint zone and lower restraint zone, it is described can
Wind inflatable column end face to the short rope length between upper restraint zone or lower restraint zone be 60mm~150mm.
In another aspect, a kind of Wind turbines are provided, including several towers.
By adopting such a design, the utility model at least has the following advantages:
The inflation by-pass means of the utility model include restraint zone, suspension centre and can wind inflatable column, are filled by that can wind
Air column is wrapped in tower, solves the problems, such as vortex-induced vibration, avoids tower structural damage；The utility model without make it is hundreds of around
Flow block, can wind inflatable column can an inflation, processing, installation cost it is low, it is easy to accomplish.The structure letter of the utility model
Single, installation, convenient disassembly can be by carrying out live inflation to can wind inflatable column, can also be by deflating to can wind inflatable column
Volume is reduced, makes its convenient transportation, transportation cost can be reduced.
Detailed description of the invention
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand the technology hand of the utility model
Section, below in conjunction with attached drawing, the utility model is described in further detail with specific embodiment.
Fig. 1 is that the inflation by-pass means of the utility model are installed to the structural schematic diagram in one section of tower；
Fig. 2 is that the inflation by-pass means of the utility model are used for the flow diagram of high tower installation.
Specific embodiment
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments
It is enough that the scope of the utility model is communicated completely into those skilled in the art.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Add other one or more features, integer, step, operation, element, component and/or their group.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary, it should be understood that have and the context of the prior art
In the consistent meaning of meaning, and unless otherwise will not be explained in an idealized or overly formal meaning by specific definitions.
The utility model provides a kind of embodiment of the inflation by-pass means of blower fan tower barrel, and inflation by-pass means are for installing
Onto the tower of Wind turbines, as shown in Figure 1, including restraint zone, suspension centre 6 and inflatable column 8 can be wound；Restraint zone includes band respectively
There are the upper restraint zone 4 and lower restraint zone 5 of suspension centre 6, upper restraint zone 4 is lower tight for being mounted on 1 top of tower at upper flange 2
Gu band 5 is for being mounted on 1 lower part of tower at lower flange 3, the length that can wind inflatable column 8 is that can be wound in tower 1
A few circle, the both ends that can wind inflatable column 8 pass through short rope 7 respectively and are connected on the suspension centre 6 of restraint zone 4 and lower restraint zone 5.
When the utility model is used, being equipped with apart from tower upper flange a bit of position below with the upper of suspension centre
Restraint zone is equipped with the lower restraint zone with suspension centre, restraint zone in adjustment in a bit of position more than tower lower flange
One end that inflatable column can be wound is connect by short rope with the suspension centre of upper restraint zone, can wind inflatable column winding by hoisting point position
It in tower, is fixed after adjusting the position of lower restraint zone suspension centre, and the other end of inflatable column can be wound under by short rope connection
The suspension centre of restraint zone connects, and completes the installation of the inflation by-pass means of tower, mounted tower is then lifted into specific bit
It sets.
Inflatable column, which can be wound, live to inflate, and be installed again after the gas that can also substitute the bad for the good.The section shape of inflatable column can be wound
Shape can be made according to local condition and demand, be not distinctly claimed to its cross sectional shape, as long as gas cross-sectional sizes can
Satisfaction solves the problems, such as vortex-induced vibration.
In the prior art, in the hoisting process of tower barrel of wind generating set, when flow velocity reaches certain numerical value, the tower back side
There is the Karman vortex street of antisymmetry cross arrangement, is easy to produce vortex-induced vibration, leads to structural damage.And traditional stream block system
Make the big inconvenience of at high cost, complex process, transportation volume, and streams block lifting and need to string and respectively stream block, heavy workload, live body
Product weight is big, and lifting is not easy.
And the inflation by-pass means of the utility model include restraint zone, suspension centre and can wind inflatable column, by that can wind
Inflatable column is wrapped in tower, solves the problems, such as vortex-induced vibration, avoids tower structural damage；The utility model is hundreds of without making
Stream block, can wind inflatable column can an inflation, processing, installation cost it is low, it is easy to accomplish.The structure of the utility model
Simply, installation, convenient disassembly, can be by carrying out live inflation to can wind inflatable column, can also be by putting to can wind inflatable column
Gas reduces volume, makes its convenient transportation, can reduce transportation cost.
In view of tower itself structure and site environment the problems such as, suspension centre position adjustment, can be suspension centre and be fixed on
On restraint zone, hoisting point position is adjusted by adjusting restraint zone, locking mechanism can also be installed in restraint zone on suspension centre 6
It is fixed or mobile.
In order to facilitate the installation of and fixed, restraint zone is locking type restraint zone or dop type restraint zone.Locking type restraint zone can
Think that the locking mechanism similar to belt is fixed.
In order to effectively solve the problems, such as vortex-induced vibration, the short rope for connection is unsuitable too long, can wind inflatable column 8 and suspension centre 6
Between 7 length of short rope can be 60mm~150mm.Short rope 7 can be nylon rope.
As an alternative, can wind inflatable column 8 quantity can for three or more, corresponding, upper fastening
It is separately installed with multiple suspension centres corresponding with 8 quantity of inflatable column can be wound on band 4 and lower restraint zone 5, forms a plurality of by-pass means.
Inflatable and deflatable for convenience, can wind can be equipped with threeway gas ducting 9 in inflatable column 8, and gas ducting 9 is used for
It is inflated in inflatable column 8 by being connect with air blower 10 to that can wind or is deflated by gas ducting 9.
Can first pass through threeway gas ducting if necessary to dismantle inflation by-pass means and deflate, wait deflate after again
Upper and lower restraint zone is successively removed, whole dismounting process is simple and easy without heavy equipment excessively.
On the other hand, a kind of tower is provided, the inflation by-pass means of the blower fan tower barrel are installed in tower.
Further, the position of 200mm~300mm is equipped with the make-up with suspension centre below upper flange in tower
Gu band, the position in tower apart from the above 200mm~300mm of lower flange is equipped with the lower restraint zone with suspension centre, upper fastening
It is connected with to be wrapped in tower by short rope between band and lower restraint zone and winds inflatable column, the end face that can wind inflatable column is arrived
Short rope length between upper restraint zone or lower restraint zone is 60mm~150mm.
In another aspect, a kind of Wind turbines are provided, including several towers.
The mounting means that above-mentioned inflation by-pass means are installed to blower fan tower barrel can be as described below, as shown in Fig. 2, including
Following steps:
1) upper restraint zone is mounted on away from 200mm~300mm, lower restraint zone is mounted on away from tower below tower upper flange
At the above 200mm~300mm of cylinder lower flange, suspension centre is installed respectively on upper restraint zone, lower restraint zone, according to erecting bed situation
Hoisting point position is adjusted, determines the tight restraint zone of position post-tensioning, fixed hoisting point position；
2) length required for inflatable column can be wound by calculating, and fasten short rope at both ends respectively, guarantee that short rope is fastened at both ends
After will not gas leakage；
3) suspension centre on the upper and lower restraint zone in short rope and step 1) is fastened so that can wind the end of inflatable column away from
The distance of suspension centre is 60~150mm；
4) after determining that installation is errorless, air is blown into and can be wound in inflatable column by threeway gas ducting using air blower,
Threeway gas ducting is sealed after completing inflation；
5) tower for being mounted with inflation by-pass means is lifted into designated position.
The inflation by-pass means that the utility model can be installed in each tower, to complete the lifting of entire pylon.
Further, second consolidation also is carried out to upper and lower restraint zone using velcro in step 1).
The inflation of the utility model is streamed simple, portable, is applicable to a variety of tower types.And the utility model is not necessarily to thing
Vortex-induced vibration is first measured, without lifting together with other component, without heavier loop wheel machine.It also has the effect that simultaneously
It is at low cost: without make it is hundreds of stream block, the utility model inflates by-pass means can one-pass molding.
Installation steps are simple: after installing and streaming bar fixing device, no longer needing to string one by one and stream block, this is practical
It is novel only once to inflate.Convenient disassembly, need to only deflate can be completed dismounting.
Transportation cost is low: tradition streams that number of blocks is numerous, and bulking value is all larger.The utility model can be inflated on site,
It is in non-aerating state in transit, reduces transportation cost.
Other: can arbitrarily make the inflation by-pass means of various cross sectional shapes according to local condition and demand.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
It falls within the protection scope of the present utility model.
Claims (10)
1. the inflation by-pass means of a kind of blower fan tower barrel, for installation into the tower of Wind turbines, which is characterized in that including tight
Gu band and can wind inflatable column at suspension centre；The restraint zone includes the upper restraint zone and lower restraint zone for being respectively provided with suspension centre, it is described on
Restraint zone is for being mounted on tower top at upper flange, and the lower restraint zone is for being mounted on tower lower part close to lower flange
Place, the length for winding inflatable column are that at least one circle can be wound in tower, the both ends difference for winding inflatable column
It is connected to by short rope on the suspension centre of upper restraint zone and lower restraint zone.
2. the inflation by-pass means of blower fan tower barrel according to claim 1, which is characterized in that be equipped with lock on the suspension centre
Locking structure is used for fixed or mobile on restraint zone.
3. the inflation by-pass means of blower fan tower barrel according to claim 1, which is characterized in that the restraint zone is locking type
Restraint zone or dop type restraint zone.
4. the inflation by-pass means of blower fan tower barrel according to claim 1, which is characterized in that the short rope is nylon rope.
5. the inflation by-pass means of blower fan tower barrel according to any one of claims 1 to 4, which is characterized in that described to wind
Short rope length between inflatable column and suspension centre is 60mm~150mm.
6. the inflation by-pass means of blower fan tower barrel according to any one of claims 1 to 4, which is characterized in that described to wind
The quantity of inflatable column be it is multiple, it is corresponding, be separately installed on upper restraint zone and lower restraint zone and inflatable column quantity pair can be wound
The multiple suspension centres answered.
7. the inflation by-pass means of blower fan tower barrel according to any one of claims 1 to 4, which is characterized in that described to wind
Inflatable column is equipped with threeway gas ducting, and the gas ducting is used to inflate by connecting with air blower to can wind in inflatable column
Or it is deflated by gas ducting.
8. a kind of tower, which is characterized in that be equipped with filling for any blower fan tower barrel of claim 1 to 7 in the tower
Gas by-pass means.
9. tower according to claim 8, which is characterized in that in the tower below upper flange 200mm~
The position of 300mm is equipped with the upper restraint zone with suspension centre, apart from the above 200mm~300mm's of lower flange in the tower
Position is equipped with the lower restraint zone with suspension centre, is connected with and is wrapped in tower by short rope between upper restraint zone and lower restraint zone
It is described wind inflatable column, the end face for winding inflatable column is to the short rope length between upper restraint zone or lower restraint zone
60mm~150mm.
10. a kind of Wind turbines, which is characterized in that including tower described in several claims 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920109138.3U CN209483537U (en) | 2019-01-23 | 2019-01-23 | A kind of inflation by-pass means of blower fan tower barrel and tower and Wind turbines including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920109138.3U CN209483537U (en) | 2019-01-23 | 2019-01-23 | A kind of inflation by-pass means of blower fan tower barrel and tower and Wind turbines including it |
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| Publication Number | Publication Date |
|---|---|
| CN209483537U true CN209483537U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920109138.3U Active CN209483537U (en) | 2019-01-23 | 2019-01-23 | A kind of inflation by-pass means of blower fan tower barrel and tower and Wind turbines including it |
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| Country | Link |
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| CN (1) | CN209483537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578218A (en) * | 2019-01-23 | 2019-04-05 | 国电联合动力技术有限公司 | A kind of blower fan tower barrel and its inflation by-pass means, hanging method and Wind turbines |
| WO2024175819A1 (en) * | 2023-02-21 | 2024-08-29 | Nordex Energy Spain, S.A.U. | Aerodynamic devices and assemblies for towers |
-
2019
- 2019-01-23 CN CN201920109138.3U patent/CN209483537U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578218A (en) * | 2019-01-23 | 2019-04-05 | 国电联合动力技术有限公司 | A kind of blower fan tower barrel and its inflation by-pass means, hanging method and Wind turbines |
| WO2024175819A1 (en) * | 2023-02-21 | 2024-08-29 | Nordex Energy Spain, S.A.U. | Aerodynamic devices and assemblies for towers |
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