CN107620675A - Overhung construction, tower buffer unit, tower and the wind power generating set of damper - Google Patents
Overhung construction, tower buffer unit, tower and the wind power generating set of damper Download PDFInfo
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- CN107620675A CN107620675A CN201710773110.5A CN201710773110A CN107620675A CN 107620675 A CN107620675 A CN 107620675A CN 201710773110 A CN201710773110 A CN 201710773110A CN 107620675 A CN107620675 A CN 107620675A
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- China
- Prior art keywords
- tower
- flange
- damper
- overhung construction
- buffer unit
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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
Abstract
The embodiments of the invention provide a kind of overhung construction of damper, tower buffer unit, tower and wind power generating set, the overhung construction of the damper includes：First flange and hanging beam, the neck portion of the first flange and tower wall form anchor ring formula and are fixedly connected, and the end with bolt hole is stretched out to tower inner side in the first flange；The hanging beam is erected on the end of the first flange and is fixedly connected with the end.The overhung construction and tower buffer unit of damper provided by the invention, the first flange on tower wall is fixed on to install hanging beam by designing anchor ring, so that anchor ring formula is fixedly connected between overhung construction and tower wall, so that the impulsive force that hanging beam is damped device is no longer delivered on tower wall in a manner of a distribution, but the impulsive force that hanging beam is damped to device was distributed on the ring week of tower wall, the impulsive force of damper is avoided to produce the impact of single-point or multiple spot to tower wall and tear.
Description
Technical field
The present embodiments relate to technical field of wind power generator, more particularly to a kind of overhung construction of damper, tower
Buffer unit, tower and wind power generating set.
Background technology
With the continuous increase of the depth-width ratio of the tower structure of wind power generating set, structure bending rigidity is relatively soft,
In the presence of wind load, larger vibration is easily produced, using structural vibration control technology, can effectively suppress tall and slender structure significantly
Vibration.Structural vibration control technology such as TMD (Tuned Mass Damper, the tuned mass damper) skill generally used at present
Art, in order to lift TMD dampers (hereinafter referred to as damper) inside tower, it is necessary to set hanging beam.Resistance for tower buffering
Buddhist nun's device generally comprises spring mechanism, damping mechanism, mass and swing rod, wherein, the upper end of the swing rod of damper, which is suspended in, hangs
Liang Shang, so as to tower carry out buffer protection, correspondingly, hanging beam will bear damper impulsive force and damper itself
Weight.
As shown in figure 1, Fig. 1 shows hanging beam structure of the prior art, in the prior art, hanging beam generally comprises at least
One bearing 7 and at least one tie-beam 8, bearing 7 are arranged on the end of tie-beam 8, and tie-beam 8 is directly horizontal by bearing 7
On tower wall, the medium position of tie-beam 8 is used to lift damper.It can be seen that and hang from the structure of existing hanging beam
Beam is to be fixed on by any or multiple spot on tower wall, and the tower wall of the wind-driven generator of steel is all than relatively thin, damping
The impulsive force and the own wt of damper that device is brought when swinging are again very big, and such impulsive force can finally be applied to tower
On one or more fixing point on wall, so as to cause the impulsive force that tower wall single-point is subject to very big, it is easy to tear tower
Wall.
The content of the invention
The embodiments of the invention provide a kind of overhung construction of damper, tower buffer unit, tower and wind-driven generator
Group, to reduce due to the impact of damper, solve the problems, such as that tower wall is impacted and torn by single-point.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
On the one hand, the present invention provides a kind of overhung construction of damper, including：First flange and hanging beam, first method
Blue neck portion forms anchor ring formula with tower wall and is fixedly connected, and the end with bolt hole is into the tower in the first flange
Side is stretched out；The hanging beam is erected on the end of the first flange and is fixedly connected with the end.
On the other hand, the present invention also provides a kind of tower buffer unit, including overhung construction as described above and damper,
The damper is hung on the overhung construction.
Another further aspect, the present invention also provide a kind of tower, including above-mentioned tower buffer unit.
Another aspect, the present invention also provide a kind of wind power generating set, including above-mentioned tower buffer unit.
Overhung construction, tower buffer unit, tower and the wind power generating set of damper provided by the invention, pass through design
Anchor ring is fixed on the first flange on tower wall to install hanging beam so that anchor ring formula, which is fixed, between overhung construction and tower wall connects
Connect so that hanging beam is damped the impulsive force of device and is no longer delivered in a manner of a distribution on tower wall, but by hanging beam by
The impulsive force of damper was distributed on the ring week of tower wall, avoided the impulsive force of damper from producing single-point or multiple spot to tower wall
Impact and tear.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is hanging beam structural representation of the prior art；
Fig. 2 is one of schematic diagram of overhung construction provided in an embodiment of the present invention；
Fig. 3 is the two of the schematic diagram of overhung construction provided in an embodiment of the present invention；
Fig. 4 is the three of the schematic diagram of overhung construction provided in an embodiment of the present invention；
Fig. 5 is the four of the schematic diagram of overhung construction provided in an embodiment of the present invention；
Fig. 6 is the five of the schematic diagram of overhung construction provided in an embodiment of the present invention；
Fig. 7 is the six of the schematic diagram of overhung construction provided in an embodiment of the present invention；
Fig. 8 is one of structural representation of stopping means of damper provided in an embodiment of the present invention；
Fig. 9 is the two of the structural representation of the stopping means of damper provided in an embodiment of the present invention；
Figure 10 is the three of the structural representation of the stopping means of damper provided in an embodiment of the present invention.
Description of reference numerals：
1- first flanges；The neck portion of 11- first flanges；The end of bolt hole is carried in 12- first flanges；2- hanging beams；
21- abnormity crossbeams；22- suspentions portion；211- stiffener plates；212- abnormity main body of cross-beam；213- damper backing plates；214- abnormity
Crossbeam installs backing plate；23-T type beams；231- first crossbeams；232- second cross beams；3- tower walls；4- suspension rods；The crossbeams of 5- the 3rd；
6- dampers；61- swing rods；62- masses；7- bearings；8- tie-beams；1 '-second flange；The neck portion of 11 '-second flange；
The end of bolt hole is carried in 12 '-second flange；2 '-the first tie-beams；3 '-non-return ring；5 '-the second tie-beams；6 '-fan-shaped
Flange.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
The overhung construction to damper of the embodiment of the present invention and tower buffer unit are retouched in detail below in conjunction with the accompanying drawings
State.
Embodiment one
As shown in Figures 2 to 5, the overhung construction of damper provided in an embodiment of the present invention includes：First flange 1 and hanging beam
2, the neck portion 11 of first flange and tower wall 3 form anchor ring formula and are fixedly connected, and the end with bolt hole is to tower in first flange 1
Cylinder inner side is stretched out；Hanging beam 2 is erected in first flange on the end 12 with bolt hole and is fixedly connected with the end.Wherein,
Hanging beam is used to lift damper 6, and damper 6 can be swung with respect to hanging beam.The structure of damper 6 can be as illustrated in fig. 2
Structure, it includes：The swing rod 61 that is connected with hanging beam, mass 62, spring mechanism and the damping mechanism for being connected to swing rod end
(not shown).First flange can use T types first flange or L-type first flange.In addition, the embodiment of the present invention carries
The first flange 1 and hanging beam 2 of confession can be arranged on the epimerite position of tower, the epimerite of tower i.e. tower the top
Tower section.Damper 6 can be located at the lower section of first flange and hanging beam.
In addition, as shown in Figure 3 and Figure 4, Fig. 3 shows the overall structure of first flange, Fig. 4 shows first flange
Horizontal section structure.First flange 1 can include carrying spiral shell in the neck portion 11 and the first flange with bolt hole of first flange
The end first flange 12 of keyhole.Fixed form between first flange 1 and tower wall 3 can use the following two kinds mode：
1) first flange 1 can be arranged between two tower sections, and the upper and lower end face in the neck portion 11 of first flange can be divided
Do not carry out face welding with the lower end of its top tower section and the upper end of lower tower shell ring, the concrete structure of the part is by below
It is described in detail in embodiment.
2) first flange 1 can be inscribed in tower wall 4, and the lateral wall in the neck portion 11 of first flange is connected on tower wall 4.
The neck portion 11 of first flange can be fixedly connected by way of welding or bonding with tower wall 4.
The overhung construction and tower buffer unit of damper provided by the invention, tower wall is fixed on by designing anchor ring
On first flange hanging beam is installed so that anchor ring formula is fixedly connected between overhung construction and tower wall so that hanging beam is hindered
The impulsive force of Buddhist nun's device is no longer delivered on tower wall in a manner of a distribution, but the impulsive force that hanging beam is damped to device is disperseed
Onto the ring week of tower wall, the impulsive force of damper is avoided to produce the impact of single-point or multiple spot to tower wall and tear.
Embodiment two
The overhung construction of the damper of the embodiment of the present invention describes one kind of the overhung construction of the damper of embodiment one
Specific implementation.The present embodiment is illustrated using T-shaped first flange as example.
For T-shaped first flange, as shown in Figure 3 and Figure 4, the neck portion 11 of described first flange is in embodiment one
Refer to, corresponding to the horizontal line part of T-shaped first flange, the end first flange 12 with bolt hole refers in first flange, corresponding
In the vertical line part of T-shaped first flange.
As shown in Fig. 2 Fig. 2 shows the use state figure of overhung construction.The first flange 1 of the embodiment of the present invention can be set
Put between two tower sections, the upper and lower end face in the neck portion 11 of first flange can respectively with the upper column shell ring of first flange 1
Lower end and the upper end of the lower tower shell ring of first flange 1 carry out face welding so that the neck portion 11 of first flange forms ring with tower wall 4
Face formula is fixedly connected, and the impulsive force that hanging beam is damped to device was distributed on the ring week of tower wall, avoided the impulsive force of damper
And the own wt of damper produces the impact of single-point or multiple spot to tower wall and torn.
In order to improve the reliability of overhung construction, as shown in Figure 2 and Figure 5, Fig. 5 shows a kind of alternative construction of hanging beam.
Hanging beam 2 can be special-shaped crossbeam 21, and the middle part of special-shaped crossbeam 21 can raise up.It can be provided with special-shaped crossbeam 21 perpendicular
To stiffener plate 211, can be provided with the suspention portion 22 for hanging damper 6 at the middle part of special-shaped crossbeam 21.In reality
In, damper 6 is generally lifted on to the medium position of special-shaped crossbeam 21 so that special-shaped crossbeam medium position is subject to downward
Pulling force is larger, in order to improve the reliability of special-shaped crossbeam, the middle part of special-shaped crossbeam 21 is designed as raising up, to meet abnormity
The force request of crossbeam, the load-carrying ability of special-shaped crossbeam is improved, improve the reliability of special-shaped crossbeam, reduced tower wall and torn
The probability split.In addition, special-shaped crossbeam 21 can be welded using steel plate, it is necessary to illustrate, the abnormity of the embodiment of the present invention
Crossbeam is not limited to steel plate and is welded, and those skilled in the art can be according to the special-shaped crossbeam of design be actually needed, for example, abnormity is horizontal
Beam can also use shaped steel and stiffener plate to be spliced, as long as disclosure satisfy that the condition of lifting damper.In addition,
In practical application, those skilled in the art can reasonably be set according to the loading characteristic of special-shaped crossbeam on special-shaped crossbeam to be strengthened
Gusset.
In above-mentioned special-shaped beam structure, as shown in figure 5, special-shaped crossbeam 21 can include：Special-shaped main body of cross-beam 212, strengthen
Gusset 211, the damper backing plate 213 for preventing from wearing special-shaped crossbeam 21 and for by special-shaped crossbeam 21 be arranged on first
The special-shaped crossbeam installation backing plate 214 of the end first flange 12 with bolt hole, the special-shaped approximation of main body of cross-beam 212 are on flange
Hollow rectangular parallelepiped structure, for the ease of description, special-shaped main body of cross-beam 212 can be divided for epipleural and lower side panel.It is special-shaped horizontal
Raised up in the middle part of the epipleural of beam main body, in the hollow opening position of special-shaped crossbeam 21, be provided with five reinforcements at intervals
Gusset 211, the both ends of stiffener plate 211 are connected with epipleural and lower side panel respectively, and damper backing plate 213 is arranged on lower side panel
Middle part, special-shaped crossbeam installation backing plate 214 is arranged on the both ends of lower side panel.Wherein, in order to improve the intensity of stiffener plate, add
Strengthening tendons plate 211 can be solid construction, by setting stiffener plate, on the one hand, so that special-shaped crossbeam disclosure satisfy that stress carries
Demand；On the other hand, on the basis of special-shaped crossbeam reliability is improved, the weight of special-shaped crossbeam is reduced.Need what is illustrated
It is, in actual applications, it will be appreciated by those skilled in the art that the stiffener plate of the embodiment of the present invention is not limited to foregoing knot
Structure, other solid reinforcing plates can also be selected to improve the intensity of special-shaped crossbeam, be supported as long as disclosure satisfy that in special-shaped crossbeam hand
Demand.
In order that the installation site of hanging beam can adapt to the mounting structure inside tower, as shown in Fig. 2 hanging beam 2 can be set
Put in the opening position to stagger with tower central axis.That is, hanging beam 2 can be in eccentric position relative to tower central axis
Put.In actual applications, it is usually provided with inside tower through the structure such as the cable of tower internal cavities and ladder, in order to keep away
Burst at the seams the structures such as cable and ladder, and the centerline that damper is commonly angled relative to tower makes in eccentric position, hanging beam eccentric setting
Hanging beam installation site it is corresponding with the installation site of damper, hanging beam eccentric setting enables the installation site of hanging beam to fit
Answer the mounting structure inside tower.It should be noted that the hanging beam installation site of the embodiment of the present invention is not limited to eccentric setting
Mode, eccentric setting is merely to make hanging beam meet actual installation situation, it will be apparent to a skilled person that hanging beam is excellent
Choosing is that the hanging position of the position for the diameter for being erected at first flange and damper is on the axis of tower, herein buffering effect
Fruit is best.
Embodiment three
The overhung construction of the embodiment of the present invention and the difference of embodiment two are, as shown in fig. 6, Fig. 6 shows hanging beam
Another alternative construction.The hanging beam of the embodiment of the present invention can be T-shaped beam 23.
The T-shaped beam 23 of the embodiment of the present invention includes being erected at the first crossbeam 231 of the end 12 of first flange, horizontal from first
The second cross beam 232 that the middle part of beam 231 is stretched out to the end first flange 12 with bolt hole in nearest first flange, second
Crossbeam 232 can be fixed on the end 12 of nearest first flange.T-shaped beam can be preferably to having impacted caused by damper
Row is scattered, and causes the suspension of damper is fixed more to stablize.Wherein, first crossbeam 231 and second cross beam 232 can hang down
Straight splicing.For the connected mode of first crossbeam 231 and second cross beam 232, those skilled in the art can be according to actual conditions
It is specifically chosen, such as can be from welding manner or from bolt connecting mode.It should be noted that first crossbeam and second
The connecting method of crossbeam is not limited to vertically splice, and those skilled in the art can be horizontal by first crossbeam and second according to being actually needed
The angled splicing of beam, as long as disclosure satisfy that the condition of lifting damper.In addition, first crossbeam 231 and second cross beam
232 material can be shaped steel, and those skilled in the art can be according to being actually needed specifically chosen shaped steel, such as can select H
Steel or from hollow square steel.
In order to which damper 6 is suspended on T-shaped beam, can be provided with the middle part of first crossbeam 231 for hanging damping
The suspention portion 22 of device.Wherein, the damper backing plate 213 for preventing from wearing T-shaped beam can be provided with the middle part of first crossbeam,
Special-shaped crossbeam installation backing plate 214, special-shaped crossbeam installation can be provided with the end of first crossbeam 231 and second cross beam 232
Backing plate is used for the end that special-shaped crossbeam is arranged on to first flange.
Example IV
The overhung construction of the embodiment of the present invention and the difference of embodiment two are, as shown in fig. 7, Fig. 7 shows embodiment
Another specific implementation of the overhung construction of one damper.The first flange of the embodiment of the present invention can be tower in
Through with first flange.The overhung construction of the embodiment of the present invention is applied to have first flange and first flange in tower
The situation that end is stretched to inside tower.
In order that the structure such as hanging beam and damper is installed with the first flange having had in tower, the embodiment of the present invention
Overhung construction can also include the suspension rod 4 being fixed on hanging beam, and the lower end of suspension rod 4 can pass through one or more 3rd crossbeams 5
It is fixed on tower wall 3.The embodiment of the present invention has been carried out with three the 3rd crossbeams 5 for example, the end of the 3rd crossbeam 5 can be with
Bearing is set respectively, and the 3rd crossbeam 5 is arranged on tower wall 3 by bearing.Here the T that hanging beam can be selected in embodiment three
Type beam, connected mode have been described above in embodiment three, repeated no more here.Those skilled in the art can be according to being actually needed
Hanging beam structure, such as the special-shaped crossbeam that can also be selected in embodiment two are selected as hanging beam, as long as disclosure satisfy that lifting damping
The hanging beam of device.Wherein, it is to be rigidly connected between suspension rod 4 and the crossbeam 5 of hanging beam 2 and the 3rd.The embodiment of the present invention is hanged
Structure is hung, in addition to the technique effect with previous embodiment, can also be suspended in midair by existing first flange in tower
Damper, by suspension rod to adjust hanging position downwards, and the installation site of damper is guided and fixed with reference to the 3rd crossbeam
In suitable position, so as to add the flexibility of damper setting.
In order to which damper is suspended on the overhung construction of the embodiment of the present invention, use can be provided with the lower end of suspension rod 4
In the suspention portion of suspension damper 6.
Embodiment five
The embodiment of the present invention additionally provides a kind of tower buffer unit, including outstanding as described in embodiment one to example IV
Structure and damper 6 are hung, damper 6 is hung on overhung construction.
The tower buffer unit can also include the stopping means of damper, and as shown in Figures 8 to 10, the stopping means is specific
Including second flange 1 ', the first tie-beam and non-return ring.Wherein, the neck portion of second flange 1 ' forms anchor ring formula with tower wall and consolidated
Fixed to connect, the end with bolt hole is stretched out to tower inner side in second flange 1 '；Non-return ring by one or more first
Tie-beam is fixedly connected with carrying the end of bolt hole in second flange 1 '.
Damper (such as tuned mass damper (TMD)) mainly includes：Spring mechanism, damping mechanism and mass.This
The stopping means for the damper that inventive embodiments provide can be nested with around the mass of damper, limit the motion of mass
Scope.
For directly bearing, the mass 62 of damper 6 impacts non-return ring 3 ' and non-return ring 3 ' can reasonably limit resistance
The amplitude of fluctuation of Buddhist nun's device 6, the first tie-beam 2 ' are used to non-return ring 3 ' being arranged on the inner side of second flange 1 '.In addition, second flange
1 ' structure can be identical or approximate with the structure of foregoing first flange 1, can be T-flange or L-type flange.In reality
In, in order that the installation site of non-return ring can adapt to the mounting structure inside tower, non-return ring can be relative to tower
Center be in eccentric position.
Further, second flange 1 ' is similar with the first flange in previous embodiment with the fixed form of tower wall 3, can
In a manner of using the following two kinds：
1) second flange 1 ' is arranged between two tower sections, the upper and lower end face in its neck portion respectively with its top tower section
Lower end and the upper end of lower tower shell ring carry out face welding.
2) second flange 1 ' is arranged on inside tower, and lateral surface and the tower wall in the neck portion of second flange 1 ' weld.
The second flange 1 ' of the embodiment of the present invention can be arranged between two tower sections, the neck portion of second flange 1 '
Upper and lower end face can carry out face welding with the lower end of its top tower section and the upper end of lower tower shell ring respectively.Tower is by multiple
Tower section, which joins end to end, to be combined, and is typically the weaker position of tower intensity between two tower sections, and second flange 1 ' is set
Between two tower sections, the intensity of tower section opening position is improved.The upper and lower end face in the neck portion of second flange 1 ' respectively with method
The lower end of blue upper column shell ring and the upper end of lower tower shell ring carry out face welding.On the one hand, second flange 1 ' is fixedly mounted on
Between two tower sections, the intensity of tower section opening position is improved；On the other hand so that the neck portion of flange forms ring with tower wall 3
Face formula is fixedly connected, and the impulsive force that stopping means is damped to device was distributed on the ring week of tower wall, avoided rushing for damper
Power is hit to produce tower wall the impact of single-point or multiple spot and tear.
As shown in Fig. 8 to Figure 10, one end of the first tie-beam 2 ' of the embodiment of the present invention can be fixed with non-return ring 3 to be connected
Connect, the other end can be fixed on the end of second flange 1 ' by fastener (such as bolt).Wherein, the type of the first tie-beam 2 '
Material can be shaped steel, such as section bar can be H steel or hollow square steel, and one end of the first tie-beam 2 ' and non-return ring 3 ' can be with
It is fixedly connected by way of welding.It should be noted that the side that one end of the first tie-beam 2 ' passes through welding with non-return ring 3 '
Formula is fixedly connected, simply the preferred connected mode of the embodiment of the present invention, those skilled in the art can according to be actually needed by
One end of first tie-beam is fixedly connected with non-return ring, such as installing plate can be integrally provided on non-return ring, and first is connected
The one end for connecing beam is connected on non-return ring by fastener (such as bolt).
As shown in Figure 10, above-mentioned first tie-beam 2 ' can be multiple that can surround non-return ring 3 ' to set.By non-return ring 3 '
Closest approach apart from tower wall 3 and the solstics apart from tower wall 3 carry out line and form the first center line, multiple first tie-beams
2 ' can be relative to the first center line symmetrical setting, and the length of the first tie-beam 2 ' can be in increase from closest approach to solstics
Trend.Wherein, the embodiment of the present invention has selected five pair of first tie-beam 2 '.It should be noted that those skilled in the art can
The quantity of the first tie-beam 2 ' of selection is actually needed with basis, as long as disclosure satisfy that support and connection function.In addition, it is
Improve the convenience of stopping means installation and transport, first tie-beam 2 ' can by multistage beam splicing in small distance and
Into the first tie-beam 2 ' is arranged to be spliced by two sections of beams in the embodiment of the present invention.
Further, the first tie-beam 2 ' with the first centerline parallel can be provided with the both sides in solstics.Except with
Outside, other first tie-beams 2 ' can be towards the center of circle of non-return ring 3 ' for first tie-beam 2 ' of the first centerline parallel.Wherein, exist
The both sides in solstics set the first tie-beam 2 ' with the first centerline parallel, prevent the first tie-beam 2 ' from hindering tower internal junction
The normal use of structure (for example, the cable aperture set inside the ladder and tower that are set inside tower) so that the first tie-beam
2 ' layout is adapted with tower internal structure.In addition, in addition to the first tie-beam 2 ' with the first centerline parallel, other first
Tie-beam 2 ' is set towards the center of circle of non-return ring 3 '.In the case where not influenceing tower integral layout so that what non-return ring was born
Impulsive force is scattered along the first tie-beam 2 ' to second flange 1 '.
In order to improve fixing intensity of multiple first tie-beams 2 ' to non-return ring 3 ', multiple the first adjacent tie-beams it
Between be also provided with the second tie-beam 5 '.Specifically, in the exemplary construction shown in Figure 10, in order to improve the both sides in solstics
The intensity of the first tie-beam 2 ' with the first centerline parallel set, put down what the both sides in solstics were set with the first center line
Middle part between the first tie-beam 2 ' that the first capable tie-beam 2 ' and adjacent center of circle towards non-return ring 3 ' are set is set
There is the second tie-beam 5 ', the with the first centerline parallel that the both sides that one end of the second tie-beam 5 ' is connected to solstics are set
The middle part of one tie-beam 2 ', the other end of the second tie-beam 5 ', which is connected to, to be removed and the first tie-beam 2 ' of the first centerline parallel
Middle part.It should be noted that the structure of the first tie-beam 2 ' and arrangement are not limited to arrangement mode provided in an embodiment of the present invention,
In actual applications, those skilled in the art can be according to the structure for designing the first tie-beam and arrangement be actually needed, only
It disclosure satisfy that second flange supports non-return ring.
In order that the installation site of non-return ring 3 ' can adapt to the mounting structure inside tower, as shown in Fig. 8, non-return ring
3 ' can be in eccentric position relative to the center of tower.In actual applications, generally setting to run through inside tower has in tower
The structures such as the cable of portion's cavity, in order to avoid the structures such as cable, damper is commonly angled relative to the centerline of tower in eccentric position
Put, the eccentric setting of non-return ring 3 ' make it that the installation site of non-return ring 3 ' is corresponding with the installation site of damper, and non-return ring 3 ' is inclined
The heart sets the installation site for causing non-return ring 3 ' to can adapt to the mounting structure inside tower.Wherein, the making work of non-return ring 3 '
Skill can be to be rolled to form by steel plate, and the shape of non-return ring 3 ' can be hollow ring shape, need exist for explanation, non-return ring
3 ' the preferred embodiment for being shaped as the annular simply embodiment of the present invention of open circles, those skilled in the art can be according to actual need
Non-return ring is designed as hollow square, hollow triangle and hollow rectangle etc., as long as disclosure satisfy that non-return ring 3 ' is held
The impulsive force of device dampened.In addition, non-return ring 3 ' can be with the concentric setting of damper.Prevent non-return ring 3 ' from influenceing damping
The normal work of device.
Further, can be nearby provided with and the fixed company of non-return ring 3 ' apart from the closest approach of tower wall 3 in non-return ring 3 '
The fan-shaped flange 6 ' connect, fan-shaped flange 6 ' can be fixedly connected by fastener (such as bolt) with the end of flange 1.Wherein, fan
The shape that shape flange 6 ' connects the position of non-return ring 3 ' can be the circular arc being adapted with the shape of non-return ring 3 '.Fan-shaped flange 6 '
On be positioned apart from gusset, gusset is used for the intensity for improving fan-shaped flange.In addition, fan-shaped flange 6 ' can be with non-return ring 3 ' one
System into.
It is described above the concrete structure of the tower buffer unit of the embodiment of the present invention.In addition, the embodiment of the present invention also carries
The tower and wind power generating set for including above-mentioned tower buffer unit are supplied.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (20)
- A kind of 1. overhung construction of damper, it is characterised in that including：First flange and hanging beam,The neck portion of the first flange forms anchor ring formula with tower wall and is fixedly connected, and the end of bolt hole is carried in the first flange Portion is stretched out to tower inner side；The hanging beam is erected in the first flange on the end with bolt hole and is fixedly connected with the end.
- 2. overhung construction according to claim 1, it is characterised in that the first flange is T-shaped first flange or L-type First flange.
- 3. overhung construction according to claim 1, it is characterised in that the first flange be arranged on two tower sections it Between, the upper and lower end face in its neck portion is welded with the lower end of its top tower section and the upper surface of lower tower shell ring respectively.
- 4. overhung construction according to claim 1, it is characterised in that the first flange is arranged on inside tower, described The lateral surface in the neck portion of first flange welds with tower wall.
- 5. overhung construction according to claim 1, it is characterised in that the hanging beam is arranged on and the tower central axis The opening position to stagger.
- 6. overhung construction according to claim 1, it is characterised in that the hanging beam is special-shaped crossbeam, the special-shaped crossbeam Middle part raise up.
- 7. overhung construction according to claim 6, it is characterised in that be provided with vertical reinforcement on the special-shaped crossbeam Gusset.
- 8. overhung construction according to claim 1, it is characterised in that the hanging beam is T-shaped beam, and the T-shaped beam includes frame Be located at the first crossbeam of the end of the first flange, from the middle part of the first crossbeam to nearest first flange on carry spiral shell The second cross beam that the end of keyhole is stretched out, the second cross beam are fixed on the end of nearest first flange.
- 9. according to 1 to 8 any described overhung construction, it is characterised in that also include the suspension rod being fixed on the hanging beam, it is described The lower end of suspension rod is fixed on the tower wall by one or more 3rd crossbeams.
- 10. the overhung construction according to claim 6 or 7, it is characterised in that be provided with use in the middle part of the special-shaped crossbeam In the suspention portion of suspension damper.
- 11. overhung construction according to claim 8, it is characterised in that be provided with and be used in the middle part of the first crossbeam Hang the suspention portion of damper.
- 12. overhung construction according to claim 9, it is characterised in that be provided with the lower end of the suspension rod for hanging The suspention portion of damper.
- A kind of 13. tower buffer unit, it is characterised in that including the overhung construction and damper as described in claim 1 to 11, The damper is hung on the overhung construction.
- 14. tower buffer unit according to claim 13, it is characterised in that the also stopping means including damper, should Stopping means includes second flange, the first tie-beam and non-return ring,The neck portion of the second flange forms anchor ring formula with the tower wall and is fixedly connected, and bolt hole is carried in the second flange End stretched out on the inside of the tower；The non-return ring is fixed by one or more first tie-beam with carrying the end of bolt hole in the second flange Connection.
- 15. tower buffer unit according to claim 14, it is characterised in that the second flange is T-flange or L Type flange.
- 16. tower buffer unit according to claim 14, it is characterised in that the second flange is arranged on two towers Between section, the upper and lower end face in its neck portion carries out face welding with the lower end of its top tower section and the upper end of lower tower shell ring respectively.
- 17. tower buffer unit according to claim 14, it is characterised in that the second flange is arranged in tower Portion, lateral surface and the tower wall in the neck portion of the second flange weld.
- 18. tower buffer unit according to claim 14, it is characterised in that the non-return ring is relative to the tower Center is in eccentric position.
- 19. a kind of tower, it is characterised in that including the tower buffer unit as described in claim 13 to 18 is any.
- 20. a kind of wind power generating set, it is characterised in that buffer dress including the tower as described in claim 13 to 18 is any Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710773110.5A CN107620675B (en) | 2017-08-31 | 2017-08-31 | Suspension structure, tower section of thick bamboo buffer, tower section of thick bamboo and wind generating set of attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710773110.5A CN107620675B (en) | 2017-08-31 | 2017-08-31 | Suspension structure, tower section of thick bamboo buffer, tower section of thick bamboo and wind generating set of attenuator |
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| Publication Number | Publication Date |
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| CN107620675A true CN107620675A (en) | 2018-01-23 |
| CN107620675B CN107620675B (en) | 2020-03-06 |
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| CN201710773110.5A Active CN107620675B (en) | 2017-08-31 | 2017-08-31 | Suspension structure, tower section of thick bamboo buffer, tower section of thick bamboo and wind generating set of attenuator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019232975A1 (en) * | 2018-06-07 | 2019-12-12 | 北京金风科创风电设备有限公司 | Damper limiting device, tower and wind power generator set |
| CN110805529A (en) * | 2019-09-20 | 2020-02-18 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN110805530A (en) * | 2019-09-20 | 2020-02-18 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| WO2020074526A1 (en) * | 2018-10-09 | 2020-04-16 | Alimak Group Management Ab | Towers comprising a mast |
| 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 |
| CN112780499A (en) * | 2021-02-22 | 2021-05-11 | 三一重能股份有限公司 | Damping structure for wind power tower cylinder and wind power tower cylinder |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019232975A1 (en) * | 2018-06-07 | 2019-12-12 | 北京金风科创风电设备有限公司 | Damper limiting device, tower and wind power generator set |
| US11698056B2 (en) * | 2018-06-07 | 2023-07-11 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Damper position-limiting device, tower and wind turbine |
| EP3608539A4 (en) * | 2018-06-07 | 2020-07-01 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Damper limiting device, tower and wind power generator set |
| AU2018400528B2 (en) * | 2018-06-07 | 2021-01-28 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Damper position-limiting device, tower and wind turbine |
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| WO2020074526A1 (en) * | 2018-10-09 | 2020-04-16 | Alimak Group Management Ab | Towers comprising a mast |
| CN110805529B (en) * | 2019-09-20 | 2020-12-01 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN110805530B (en) * | 2019-09-20 | 2020-12-01 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| 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 |
| CN110805530A (en) * | 2019-09-20 | 2020-02-18 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN110805529A (en) * | 2019-09-20 | 2020-02-18 | 株洲时代新材料科技股份有限公司 | Tuned mass damping device |
| CN112780499A (en) * | 2021-02-22 | 2021-05-11 | 三一重能股份有限公司 | Damping structure for wind power tower cylinder and wind power tower cylinder |
| CN112780499B (en) * | 2021-02-22 | 2022-05-03 | 三一重能股份有限公司 | Damping structure for wind power tower cylinder and wind power tower cylinder |
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