CN105715463B - A kind of steel and concrete structure blower fan tower barrel - Google Patents
A kind of steel and concrete structure blower fan tower barrel Download PDFInfo
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- CN105715463B CN105715463B CN201610208010.3A CN201610208010A CN105715463B CN 105715463 B CN105715463 B CN 105715463B CN 201610208010 A CN201610208010 A CN 201610208010A CN 105715463 B CN105715463 B CN 105715463B
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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
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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
- Y02E10/728—Onshore wind turbines
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention relates to a kind of steel and concrete structure blower fan tower barrel, including：The bottom-up pile foundation set gradually, support platform, concrete tower and steel tower tube；Pile foundation is embedded in ground end in advance, and the bottom of concrete tower is the support platform being layed in pile foundation, and described support platform and pile foundation integrated moulding by casting, concrete atop a tower are fixedly connected through connector with steel tower tube bottom same axis；It is fixed on respectively through anchorage at connector and support platform through the deformed bar upper and lower ends set on the wall of concrete tower side.Pass through above-mentioned setting so that overall higher blower fan tower barrel is divided into two parts of concrete and steel, to reduce blower fan overall cost；Meanwhile, the deformed bar upper and lower ends that set will be passed inside concrete tower and are fixed respectively through anchorage, to cause deformed bar to be in tensioning state, wind-proof, shock-reducing is provided for concrete reinforcement, with rocking of buffering that tower produces under wind-force effect of vibration.
Description
Technical field
The present invention relates to a kind of wind-driven generator of power domain, more particularly to a kind of blower fan tower barrel of steel and concrete structure.
Background technology
With flourishing for wind-powered electricity generation industry, land Construction of Wind Power increasingly tends to saturation, and the good place of wind-resources is got over
Come fewer, in face of this close quarters situation, explore the direction that more preferable wind-resources wind field is undoubtedly land wind field future development.
Hybrid tower is typically made up of two parts, and lower end is concrete tower, and upper end is traditional steel tower tube.It is hybrid
Tower may can make wind power plant generated energy improve 20% so that hub height is brought up into more than 120 meters.Hybrid tower is land wind
Electric field opens new space.
In view of this, it is special to propose the present invention.
The content of the invention
It is an object of the invention to provide a kind of blower fan tower barrel of steel and concrete structure, with realize blower fan tower barrel be divided into concrete and
Two parts up and down of steel and the purpose for combining installation, to reach the wind turbine power generation amount that improves, reduction blower fan overall cost, shorten wind
The effect of machine tower manufacturing time.
To realize goal of the invention, adopt the following technical scheme that：
A kind of steel and concrete structure blower fan tower barrel, including：The bottom-up pile foundation set gradually, support platform, concrete tower
And steel tower tube；Pile foundation is embedded in ground end in advance, and the bottom of concrete tower is the support platform being layed in pile foundation, described support
Platform and pile foundation integrated moulding by casting, concrete atop a tower are fixedly connected through connector with steel tower tube bottom same axis；Coagulation
It is fixed on respectively through anchorage at connector and support platform through the deformed bar upper and lower ends set on the wall of native tower side.
Further, described concrete tower includes top plate, the support platform of bottom setting, described top that top is set
Plate is coaxially disposed with support platform, and many spacer bar two ends of angular displacement are mutually solid with top plate and support platform respectively at equal intervals
Fixed connection, to constitute the support frame of concrete tower.
Further, described concrete tower includes the bottom-up Multi-section concrete tower section poured into a mould successively, each coagulation
Native tower section is the tubular structure set along support frame, to form the tower side wall of concrete tower.
Further, support platform includes the steel hoop skeleton below oversite concrete tower side wall correspondence, described ring
Shape framework of steel reinforcement is by mutually cross arrangement is constituted into many horizontal stripe reinforcing bars and Duo Gen vertical bar reinforcing bars of lattice-shaped anyhow；Spacer bar
Lower end horizontal buckling, kink is in contact with least two horizontal stripe reinforcing bars, and kink and each horizontal stripe reinforcing bar being in contact are distinguished
Fixation is mutually riveted through rivet；The upper end of spacer bar is provided with external screw thread, and top plate is provided with mutually one-to-one with each spacer bar
Sleeve, the sleeve lining is provided with the internal thread being meshed with external screw thread, makes spacer bar be mutually screwed with top plate.It is preferred that
, described steel hoop skeleton is constitutes the framework of steel reinforcement of support platform, and described round reinforcing bar is at intermediate annular region
Lattice-shaped reinforcing bar group and diverging strip reinforcing bar group.
Further, many deformed bars are placed with described concrete tower side wall, each deformed bar is with respect to tower
Cylinder axis angular displacement at equal intervals；The lower end of deformed bar is connected with constituting the round reinforcing bar of support platform, upper end Zi Ding
The through hole outflow of plate；The periphery of deformed bar is arranged rubber sleeve.
Further, the lower end of described deformed bar is connected through spring base with round reinforcing bar, described spring base bag
The installing plate being mutually welded and fixed with round reinforcing bar is included, the center of the installing plate is inserted provided with the grafting sleeve extended vertically downwards
Connect tower upper end open, lower end closed；In the lower end insertion grafting sleeve of deformed bar, described grafting sleeve is by least two
Piece arc plate is spliced to form Extrusion anchor ground tackle, and described installing plate is provided with the card convex being fixedly mounted for grafting sleeve, so as to install
Plate constitutes the extruding anchoring part being engaged with Extrusion anchor ground tackle.
It is preferred that, the upper end of installing plate is described provided with deformed bar periphery, spiral spiral reinforcement is set in
The lower end of spiral reinforcement is mutually welded and fixed with installing plate；It is further preferred that the upper end of spiral reinforcement is mutually welded with deformed bar
Connect fixation.
Further, concrete tower is mutually spliced to form by multistage in the concrete tower segments of circular arc sheet；Concrete towers
The both sides of cylinder section are respectively equipped with the primary and secondary bar mutually overlapped with adjacent concrete tower segments.
Further, described connector includes a discoid ring flange, and the inner circumferential of ring flange is upper provided with what is upwardly extended
Flanging, described upper hem constitutes the grafting that fitted on the outside of upper bush structure, the upper hem with steel tower tube bottom inside.
It is preferred that, the through hole of ring flange is provided with fixed structure to contract, being fixed for deformed bar upper end；Institute
The fixed structure stated is the fixture block being mutually fixedly connected with deformed bar upper end, and the periphery of the fixture block is at least partly beyond logical
Hole, described fixture block is mounted in the upside of ring flange.
Further, described pile foundation includes the foundation pile that column cushion cap and Duo Gen extend vertically, each foundation pile
Middle part may be contained within the inside of column cushion cap, each foundation pile along and column cushion cap axis coaxle set
Three weeks annulus arrange at equal intervals；The top surface that column cushion cap is protruded in the upper end of each foundation pile is set, with to top
Support platform provide horizontal supporting force.
Further, transformer support installed for transformer, with certain level height is provided with outside blower fan tower barrel flat
Platform, the transformer support platform and the integral moulding by casting of concrete tower.
Using above-mentioned technical proposal, the present invention is compared with the advantage of prior art：
1st, above-mentioned setting is passed through so that overall higher blower fan tower barrel is divided into two parts of concrete and steel, to reduce
Blower fan overall cost；Meanwhile, blower fan tower barrel rapid shaping itself is made, the production time has been saved；Further, by inside concrete tower
Pass the deformed bar upper and lower ends set to fix through anchorage respectively, be concrete to cause deformed bar to be in tensioning state
Reinforcing bar provides wind-proof, shock-reducing, and the unstable situation rocked and caused, Jin Erda are produced under wind-force effect of vibration to reduce tower
To the purpose for improving assembling strong degree；
2nd, by the way that the multiple batches of progress of concrete tower point is poured into a mould respectively from the bottom to top, to reduce the system of blower fan tower barrel
Mould cost, makes the more easy program of concrete layer of blower fan tower barrel；Meanwhile, the upper and lower ends of concrete tower are subjected to riveting respectively
Connect or be threadedly coupled and be fixed, make the framework of steel reinforcement of concrete tower more firm, to improve the bulk strength of blower fan tower barrel；
3rd, constituted by the way that the tower segments splicing that concrete tower in itself can be through multistage sheet is installed, make concrete tower sheet
Body can realize poured into a mould in batches, the later stage carries out the manufacturing process of quick assembled formation, the concrete tower greatly speeded up
Manufacture speed, reduce manufacture difficulty；Further, it will splice between each concrete tower segments through primary and secondary bar, to greatly improve coagulation
Convenient degree in native tower installation process；
4th, it is deformed bar is bottom-up after the wall of concrete tower side in itself, then extend upwardly at the top of steel tower tube
And carry out anchorage and fix so that deformed bar carries out secondary fixation through anchorage respectively at bottom, middle part and top, to improve wind
The torsional strength of machine tower in itself；
5th, simple in construction, method of the invention is succinct, effect is notable, suitably promotes the use of.
Brief description of the drawings
Fig. 1 is the structural representation of steel and concrete structure blower fan tower barrel in the embodiment of the present invention；
Fig. 2 is the top view of tower pile foundation in the embodiment of the present invention；
Fig. 3 is the side view of tower pile foundation in the embodiment of the present invention；
Fig. 4 is the composition reinforcing bar arrangement schematic diagram of tower support platform in the embodiment of the present invention；
Fig. 5 is the circuit theory schematic diagram of concrete tower in the embodiment of the present invention；
Fig. 6 is the section structure schematic diagram of concrete tower in the embodiment of the present invention；
Fig. 7 is deformed bar lower end installing structure schematic diagram in the embodiment of the present invention；
Fig. 8 is deformed bar upper end mounting structure schematic diagram in the embodiment of the present invention；
Fig. 9 is the section structure schematic diagram of concrete tower in another embodiment of the present invention；
Figure 10 is the structural representation of connector in the embodiment of the present invention；
Figure 11 is the section structure schematic diagram of connector in another embodiment of the present invention；
Figure 12 is the arrangement schematic diagram of deformed bar in the embodiment of the present invention；
Figure 13 is the scheme of installation of spacer bar lower end in the embodiment of the present invention；
Figure 14 is the scheme of installation of spacer bar lower end in another embodiment of the present invention；
Figure 15 is the section structure schematic diagram of connector in yet another embodiment of the invention；
Figure 16 is the section structure schematic diagram of connector through hole in further embodiment of this invention；
Figure 17 is the top view of transformer support platform in the embodiment of the present invention；
Figure 18 is the side view of transformer support platform in the embodiment of the present invention.
Main element explanation：100-pile foundation, 200-support platform, 300-concrete tower, 400-connector,
500-steel tower tube, 600-transformer support platform, 1-deformed bar, 2-Extrusion anchor ground tackle, 3-extruding anchoring part, 4-spiral
Reinforcing bar, 5-stretching end anchorage, 6-sealing off and covering anchorage cover, 7-standing screw, 8-rubber sleeve, 11-column cushion cap, 12-
Foundation pile, 13-periphery foundation pile, the stake of 14-intermediate base, 15-inner circumferential foundation pile, 21-lattice-shaped reinforcing bar group, 22-diverging
Strip reinforcing bar group, 23-peripheral annular region, 24-intermediate annular region, 25-central circular, 210-horizontal stripe reinforcing bar,
211-vertical bar reinforcing bar, 30-concrete tower segments, the 31-the first concrete towers shell ring, the 32-the second concrete towers shell ring, 33-
3rd concrete towers shell ring, the 34-the four concrete towers shell ring, 35-convex rib, 36-groove bar, 37-steel hoop skeleton,
38-spacer bar, 39-top plate, 380-kink, 41-ring flange, 42-through hole, 43-upper inner sleeve, 44-upper overcoat
Cylinder, 45-lower inner sleeve, 46-lower outer sleeve, 47-cover plate, 48-protuberance, 51-installation folding, 60-landing slab, 61-
Periphery convex rib, 62-inner circumferential convex rib, 63-pod apertures, 64-support column.
Embodiment
The present invention is described in more detail with reference to embodiment.
As shown in Fig. 1 to Figure 18, invention describes a kind of steel and concrete structure blower fan tower barrel, the tower includes：From it is lower to
On the pile foundation 100, support platform 200, concrete tower 300 and the steel tower tube 500 that set gradually；Pile foundation 100 is embedded in ground end in advance,
The bottom of concrete tower 300 is the support platform 200 being layed in pile foundation 100, described support platform 200 and pile foundation 100
Integral moulding by casting, the top of concrete tower 300 is fixedly connected through connector 400 with the bottom same axis of steel tower tube 500；Coagulation
Connector 400 is fixed on through the upper and lower ends of deformed bar 1 set through anchorage respectively and support is flat on the native side wall of tower 300
At platform 200.
Pass through above-mentioned setting so that overall higher blower fan tower barrel is divided into two parts of concrete and steel, to reduce wind
Machine overall cost；Meanwhile, blower fan tower barrel rapid shaping itself is made, the production time has been saved；Further, by concrete tower 300
Portion passes the upper and lower ends of deformed bar 1 set and fixed respectively through anchorage, is mixed to cause deformed bar 1 to be in tensioning state
Solidifying soil reinforcing bar provides wind-proof, shock-reducing, and the unstable situation rocked and caused is produced under wind-force effect of vibration to reduce tower, is entered
And reach the purpose for improving assembling strong degree.
Embodiment one
As shown in Figure 5 and Figure 6, in the present embodiment, described concrete tower 300 includes top plate 39, the bottom that top is set
The support platform 200 that portion is set, described top plate 39 is that annular shape, the support platform 200 set along tower top side wall is in cover
Lid tower bottom it is discoid, described top plate 39 is coaxially disposed with support platform 200, at equal intervals many of angular displacement supports
The two ends of reinforcing bar 38 are mutually fixedly connected with top plate 39 and support platform 200 respectively, to constitute the support frame of concrete tower 300.
In the present embodiment, the upper end of each spacer bar 38 is equal with the center distance of top plate 39 to be set, lower end and branch
The equal setting of the center distance of platform 200 is supportted, and the lower end of the spacer bar 38 and the horizontal range of tower axis are more than
The upper end of spacer bar 38 and the horizontal range of tower axis, to form the tower side wall that bottom-up external diameter is gradually narrowed.
As shown in figure 1, in the present embodiment, along the support frame concrete towers that cast concrete is formed several times from the bottom to top
Shell ring is constituted, to form the barrel of concrete tower 300；It is preferred that, in order to improve the structural strength and peace of concrete tower 300
Reliability is filled, the sidewall thickness of concrete tower 300 is bottom-up gradually to be increased, consolidated in order to the installation of upper end steel tower tube 500
It is fixed, and improve the stress rigidity of the upper end cross section smaller part of concrete tower 300.
As shown in figure 4, in the present embodiment, support platform 200 includes the ring below the side wall correspondence of oversite concrete tower 300
Shape framework of steel reinforcement 37, described steel hoop skeleton 37 is made up of lattice-shaped reinforcing bar group 21, described lattice-shaped reinforcing bar group 21 by
Mutually cross arrangement is constituted into many horizontal stripe reinforcing bars 210 and a plurality of vertical bar reinforcing bar 211 of lattice-shaped anyhow.Under spacer bar 38
Horizontal buckling is held, kink 380 is in contact with least two horizontal stripe reinforcing bars 210, kink 380 and each horizontal stripe reinforcing bar being in contact
210 mutually rivet fixation through rivet respectively.Pass through above-mentioned setting so that the lower end of spacer bar 38 and the reinforcing bar of support platform 200
Skeleton mutually rivets fixation, to realize that spacer bar 38 and the entirety of support platform 200 are fixed, and then improves concrete tower 300
Bulk strength.
It is preferred that, as shown in figure 13, for the fixed degree of minister reinforcing bar lower end further improved, spacer bar 38
Lower end horizontal buckling, being partially in the top of horizontal stripe reinforcing bar 210, being partially in 210 below horizontal stripe reinforcing bar for kink 380, makes branch
Support reinforcing bar 38 is contacted with the staggered braiding of multiple horizontal stripe reinforcing bars 210, and makes spacer bar 38 and each horizontal stripe reinforcing bar 210 being in contact
Fixation is mutually riveted through rivet, it is solid with the lower end kink 380 and the staggered establishment of multiple horizontal stripe reinforcing bars 210 that cause spacer bar 38
It is fixed so that the fixed degree between spacer bar 38 and support platform 200 is significantly improved.
It is preferred that, as shown in figure 14, in order to which the fixed degree of minister reinforcing bar lower end that further improves is it is also possible that supporting steel
The lower end horizontal buckling of muscle 38, kink 380 is in contact with least one horizontal stripe reinforcing bar 210 and at least one vertical bar reinforcing bar 211,
Kink 380 is mutually riveted through rivet respectively with each horizontal stripe reinforcing bar 210 and each vertical bar reinforcing bar 211 that are in contact, to cause supporting steel
Reinforcing bar of the kink 380 of muscle 38 respectively from different modes of emplacements is fixed, to make the lower end of spacer bar 38 to be subjected to multi-direction answer
The pulling of power, improves the installation reliability of spacer bar 38.
In the present embodiment, the upper end of spacer bar 38 is provided with external screw thread, and top plate 39 is provided with and each phase one of spacer bar 38
One corresponding sleeve, the sleeve lining is provided with the internal thread being meshed with external screw thread, makes spacer bar 38 and the phase of top plate 39
It is screwed；It is further preferred that the upper end of spacer bar 38 and the threaded connection place of top plate 39 are mutually welded and fixed, to improve support
The fixation reliability of reinforcing bar 38 and top plate 39.
Embodiment two
As shown in figure 1, in the present embodiment, described concrete tower 300 is mixed including the bottom-up multistage poured into a mould successively
Solidifying soil tower section, each concrete towers shell ring is the tubular structure set along support frame, to form the tower of concrete tower 300
Cylinder side wall.It is preferred that, concrete tower 300 is divided into four sections that different batches are poured into a mould in the present embodiment, it is bottom-up according to
It is secondary not to be, the first concrete towers shell ring 31, the second concrete towers shell ring 32, the 3rd concrete towers shell ring 33 and the 4th concrete towers
Shell ring 34.
As shown in Fig. 6 to Fig. 8 and Figure 12, in the present embodiment, many are placed with the described side wall of concrete tower 300 in advance
Stress reinforcing bar 1, each deformed bar 1 is with respect to tower axis angular displacement at equal intervals；The lower end of deformed bar 1 is supported with constituting
The lattice-shaped reinforcing bar group 21 of platform 200 is connected, and upper end is spread out of from the through hole of top plate 39；The periphery of deformed bar 1 is arranged
Rubber sleeve 8, to avoid deformed bar 1 and concrete layer inter-adhesive.By in the side wall of concrete tower 300 from it is lower to
On wear the deformed bar 1 of tensioning state so that deformed bar 1 is the effective Anti-inclining of concrete tower 300 offer itself
Cushioning effect is pulled, to improve the base support power of concrete tower 300 itself, the probability that reduction tower is tilted, even toppled over.
As shown in fig. 7, in the present embodiment, the lower end of described deformed bar 1 is through spring base and lattice-shaped reinforcing bar group 21
It is connected, described spring base includes the installing plate being mutually welded and fixed with round reinforcing bar, and the center of the installing plate is provided with downward
The grafting sleeve extended vertically, grafting tower upper end open, lower end are closed；In the lower end insertion grafting sleeve of deformed bar 1,
Described grafting sleeve is spliced to form Extrusion anchor ground tackle 2 by least two panels arc plate, and described installing plate, which is provided with, supplies grafting sleeve
The card convex of fixed installation, so that installing plate constitutes the extruding anchoring part 3 being engaged with Extrusion anchor ground tackle 2.
It is preferred that, in the present embodiment, the upper end of installing plate be provided be set in the periphery of deformed bar 1, it is spiral
Spiral reinforcement 4, the lower end of the spiral reinforcement 4 is mutually welded and fixed with installing plate, to reduce coagulation in concreting process
Soil improves prestressed installation reliability, it is to avoid prestress steel because of squeezing action power of the Action of Gravity Field to the lower end of deformed bar 1
Contact of the muscle 1 with concrete may.
It is further preferred that in the present embodiment, the upper end of spiral reinforcement 4 is welded and fixed with the outer phase of deformed bar 1,
To cause deformed bar 1 itself and spiral reinforcement 4 mutually to fix so that spiral reinforcement 4 constitutes the lower end of deformed bar 1, carries
Reliability is fixed in the anti-pulling of the lower end of high pre-stress reinforcing bar 1.
As shown in figure 8, in the present embodiment, the top of connector 400 is provided with the stretching end fixed for the upper end of deformed bar 1
Anchorage 5, the described tool of stretching end anchor 5 periphery is set with sealing off and covering anchorage cover 6, with cause stretching end anchorage 5 in the presence of sealing off and covering anchorage cover 6 it is close
Close and, it is to avoid itself and external contact, improve the installation reliability of anchorage.It is preferred that, the top of sealing off and covering anchorage cover 6, which is provided with, supplies concrete
The grouting port of injection, to cause concrete to pour in the confined space between anchorage and connector 400, further to improve pre-
The fixation reliability of the upper end of stress reinforcing bar 1.
In the present embodiment, described stretching end anchorage 5 is included in block stretching end extruding anchoring part, stretching end extruding anchoring part
Mutually corresponded with the through hole 42 on connector 400 or the extruding anchoring part 3 of multiple through holes 42 corresponding one setting；Extrude anchoring part 3
Provided with multiple mutually extruded holes correspondingly with the upper end of each deformed bar 1 that is passed from through hole 42, in extruded hole or on
Side corresponds the Extrusion anchor ground tackle 2 for being provided with and being fixed for deformed bar 1；
It is preferred that, sealing off and covering anchorage cover 6 is mutually fixedly connected through multiple standing screws 7 with stretching end extruding anchoring part, to cause sealing off and covering anchorage cover 6
Realize that installation is fixed through extruding anchoring part 3.In the present embodiment, 30mm should be no less than in the exposed length in reserve of presstressed reinforcing steel 1 of anchorage,
In order to the later maintenance of blower fan tower barrel.
It is further preferred that in the present embodiment, the lower end of stretching end anchorage 5 be provided be set in the periphery of deformed bar 1,
Spiral spiral reinforcement 4, to reduce concrete in concreting process because Action of Gravity Field is to the lower end of deformed bar 1
Squeezing action power, improve prestressed installation reliability, it is to avoid contact possibility of the deformed bar 1 with concrete；The spiral shell
The upper end of rotation reinforcing bar 5 is mutually welded and fixed with stretching end anchorage 5, to cause deformed bar 1 itself mutually to be fixed with spiral reinforcement, is made
The lower end that spiral reinforcement 4 constitutes deformed bar 1 is obtained, reliability is fixed in the anti-pulling for improving prestressing force lower end.
Embodiment three
As shown in figure 9, in the present embodiment, concrete tower 300 is by concrete tower segments 30 phase of the multistage in circular arc sheet
Mutually it is spliced to form；The both sides of concrete tower segments 30 are respectively equipped with the primary and secondary bar mutually overlapped with adjacent concrete tower segments 30.
So as to so that the splicing of concrete tower segments 30 that concrete tower 300 itself can be through multistage sheet, which is installed, to be constituted, and makes concrete towers
Cylinder 300 itself can be achieved to be poured into a mould in batches, the manufacturing process of the quick assembled formation of later stage progress, the concrete greatly speeded up
The manufacture speed of tower 300, reduce manufacture difficulty.
In the present embodiment, the left side of each concrete tower segments 30 is respectively equipped with sub- bar, right side and is respectively equipped with female bar, institute
The female bar stated is engaged setting with sub- bar；The cross section that described sub- bar is set by protrusion is in the convex rib 35 of " T " shape
Constitute, the cross section that female bar is set by depression is constituted in the groove bar 36 of " recessed " shape.Set respectively by the left and right sides in tower segments
Put the primary and secondary bar that mutual snap-in is fixed so that concrete tower can be positioned quickly in installation process, and realize assembled formation.
In the present embodiment, the junction of adjacent concrete tower segments 30 is respectively equipped with bracing means, described bracing means
Including the interior plate and outer panel extended along the junction of concrete tower segments 30, described interior plate with concrete tower segments 30
Wall fit contact, outer panel in side fits with the lateral wall of concrete tower segments 30 and contacted, and the interior plate and outer panel are divided equally
Not through bolt connection corresponding with adjacent concrete tower segments 30.It is preferred that, in order to improve the installation strong degree of stitching portion, coagulation
Skeleton reinforcing steel bar group is respectively provided with the sub- bar of the native sidepiece of tower segments 30 and female bar, to improve the intensity of the two junction.
It is preferred that, in the present embodiment, between described outer panel and the junction of concrete tower segments 30, interior plate and coagulation
Rubber blanket is respectively equipped between the native junction of tower segments 30, to carry out encapsulation process at abutment joint, it is to avoid current enter.
Example IV
In the present embodiment, the upper end of deformed bar 1 is passed after the through hole 42 of connector 400, through the upper end of connector 400
Stretching end anchorage 5 is fixed；Meanwhile, the upper end of deformed bar 1 continues to upwardly extend along the madial wall of steel tower tube 500, until
The top of steel tower tube 500, the anchorage that the elongated end of deformed bar 1 is set through the top of steel tower tube 500 is fixed.So as to so that
Deformed bar 1 itself is bottom-up secondary solid through anchorage progress through whole blower fan tower barrel side walls, and at connector 400
It is fixed, to improve the torsional strength of blower fan tower barrel in itself.
Embodiment five
As shown in Figure 10, in the present embodiment, the connector 400 of blower fan tower barrel includes a horizontally disposed ring flange 41, flange
The upside of disk 41 is provided with the upper bush structure plugged with the bottom of steel tower tube 500, and/or the downside of ring flange 41 is provided with and coagulation
The barrel structure of trapping that the native top of tower 300 is plugged；Through hole 42, the side of concrete tower 300 are additionally provided with described ring flange 41
Through the deformed bar 1 set is through through hole 42 and is strained and fixed on wall.By setting above-mentioned connector 400 so that coagulation
Native tower 300 and steel tower tube 500 can carry out therebetween quick assembly and connection, be fixed with the installation for realizing steel reinforced concrete tower.
In the present embodiment, described connector 400 includes a discoid ring flange 41, the inner circumferential of ring flange 41 be provided with to
The upper hem of upper extension, described upper hem constitutes upper bush structure, the upper hem outside and the bottom inside phase of steel tower tube 500
Laminating grafting.So as to so that the grafting of steel tower tube 500 is installed on the outside of connector 400, to realize the quick fixed of steel tower tube 500
Position lifting.In this implementation, the lower end of steel tower tube 500 is set in the outside of connector 400, and makes the bottom of steel tower tube 500 extend
To the upper end side-walls of concrete tower 300, make steel tower tube 500 be realized therebetween with concrete tower 300 and partially overlap, and
It is fixedly connected in the coincidence part of concrete tower 300 and steel tower tube 500 through bolt, to realize steel tower tube 500 and concrete
The secondary fixed installation of tower 300, reaches and improves the purpose that steel tower tube 500 installs strong degree.
It is preferred that, as shown in figure 11, in the present embodiment, the inner circumferential of ring flange 41 be provided with the upper interior flanging that upwardly extends and to
The lower interior flanging of lower extension, described upper interior flanging constitutes upper inner sleeve 43, lower interior flanging and constitutes lower inner sleeve 45, steel tower tube
500 bottom insides and grafting, the inside top of concrete tower 300 and the 45 side phases in lower inner sleeve of being fitted on the inside of upper inner sleeve 43
Laminating grafting；The periphery of ring flange 41 is provided with the upper outer flanging upwardly extended and the lower outer flanging extended downwardly, and described is upper outer
Flanging constitutes upper outer sleeve 44, lower outer flanging and constitutes lower outer sleeve 46, the bottom outside of steel tower tube 500 and the upper inner side phase of outer sleeve 44
Laminating grafting, the top outer of concrete tower 300 and the grafting that fitted on the inside of lower outer sleeve 46.By inside and outside ring flange 41
Week sets the sleeve extended up and down respectively, makes concrete tower 300 and steel tower tube 500 mutually be inserted respectively with connector 400
Connect in succession, further to improve the installation reliability of steel tower tube 500.、
It is preferred that, as shown in figure 15, steel tower tube 500 is provided with inwardly projecting installation folding 51 at the inner circumferential of bottom,
The described grafting of installation folding 51 enters between the upper inner sleeve 43 of connector 400 and upper outer sleeve 44, to cause steel tower tube 500 to pass through
Installation folding 51 is mutually fixed with connector 400；And it is slotting to make the barrel lower end of steel tower tube 500 and concrete tower 300 partially overlap
Connect, and mutually fixed through bolt in coincidence part, further carried with the installation reliability for realizing steel tower tube 500 and concrete tower 300
It is high.
In the present embodiment, at the through hole 42 of the ring flange 41 of connector 400 be provided with to contract, on deformed bar
Hold fixed fixed structure；Described fixed structure is the stretching end anchorage being mutually fixedly connected with deformed bar upper end, described
The periphery of stretching end anchorage at least partly exceeds through hole 42, and described stretching end anchorage is mounted in the upside of ring flange 41.
It is further preferred that as shown in figure 16, the lid set is covered in the present embodiment, at described through hole 42 provided with level
Plate 47, the cover plate 47 is provided with the installation gap passed through for deformed bar 1；Further preferably, the installation gap was logical
The center of hole 42 and along the diameter of through hole 42 extend；The both sides edge of cover plate 47 for constituting installation gap is respectively equipped with to opposite side
The protuberance 48 of extension, the protuberance 48 is staggered with cover plate 47, the deformed bar 1 be pressed in protuberance 48 with
Between cover plate 47；The side of the protuberance 48 is connected with cover plate 47, to constitute the shell fragment compressing structure stretched out, outside
Power effect is lower to cause protuberance 48 to be deformed, and to pull deformed bar 1, realization carries out what elongation was adjusted to it
Purpose.
Embodiment six
As shown in Figures 2 and 3, in the present embodiment, the pile foundation 100 of blower fan tower barrel includes column cushion cap 11 and many
The foundation pile 12 that root extends vertically, the middle part of each foundation pile 12 may be contained within the inside of column cushion cap 11, each basis
Stake 12 is arranged at equal intervals along the three weeks annulus set with the axis coaxle of column cushion cap 11；The upper end of each foundation pile 12 is equal
The top surface for protruding column cushion cap 11 is set, to provide horizontal support effect power for the support platform 200 on top；Simultaneously
The protrusion upper end of foundation pile 12 may extend into inside support platform 200, mutually to be fixed with the inside of support platform 200, improve tower
The overall strong degree on basis.
In the present embodiment, each foundation pile 12 includes, many periphery foundation piles 13, edges that circumferentially annulus is arranged at equal intervals
Many intermediate bases stake 14 and many inner circumferential foundation piles 15 arranged at equal intervals along inner circumferential annulus that middle circle is arranged at equal intervals；
Between the distance between Adjacent circumferential foundation pile 13, adjacent intermediate base stake the distance between 14 and adjacent inner circumferential foundation pile 15
Distance is equal respectively to be set.
It is preferred that, periphery foundation pile 13 and the interlaced setting of intermediate base stake 14, and/or intermediate base stake 14 and inner circumferential
The interlaced setting of foundation pile 15, and/or periphery foundation pile 13 and the interlaced setting of inner circumferential foundation pile 15, to cause each basis
Stake is uniformly arranged on different straight lines, makes the strong degree of pile foundation 100 of tower be improved.
In the present embodiment, described peripheral circles, middle circle and inner circumferential annulus are same with column cushion cap 11
Axle is set, and peripheral circles and the diameter difference of middle circle are equal to the diameter difference of middle circle and inner circumferential annulus；It is preferred that, periphery
The diameter difference of annulus and the periphery of column cushion cap 11 is equal to the diameter of inner circumferential annulus, and the diameter of inner circumferential annulus is equal to outside
The diameter difference of Zhou Yuanhuan and middle circle, the diameter difference equal to middle circle and inner circumferential annulus.Pass through above-mentioned setting so that each base
Distance is arranged on isometrical poor each circumference at equal intervals for plinth stake 12, to make the base support power of pile foundation 100 significantly be carried
It is high.
In the present embodiment, the difference in height between the upper end of periphery foundation pile 13 and the top surface of column cushion cap 11 is equal to
Difference in height between the upper end of intermediate base stake 14 and the top surface of column cushion cap 11；And intermediate base stake 14 upper end with
Difference in height between the top surface of column cushion cap 11 is more than upper end and the column cushion cap 11 of inner circumferential foundation pile 15
Difference in height between top surface；It is preferred that, the upper end of periphery foundation pile 13 and intermediate base stake 14 extends respectively to support platform 200
Inside, is mutually fixedly connected with the framework of steel reinforcement with support platform 200, and the bottom and the cast of pile foundation 100 for making blower fan tower barrel are integrated
Structure so that the bulk strength of blower fan tower barrel is improved.
It is further preferred that periphery foundation pile 13 and the inside reinforcing bar and the circular arc of support platform 200 of intermediate base stake 14
Reinforcing bar is mutually fixedly connected, with provided for tower support vertically, prevent tower by pull produce displacement；Meanwhile, periphery foundation pile 13
Respectively it is in contact with intermediate base stake 14 with support platform 200, to provide horizontal supporting force for support platform 200；Inner circumferential base
Plinth stake 15 is touched with the bottom connection of support platform 200, to provide horizontal support effect power for support platform 200.
Still more preferably, in the present embodiment, the upper end and the bottom of the side wall of concrete tower 300 of intermediate base stake 14
Mutually it is fixedly connected, the Gravity support of support and horizontal direction is dragged with the tension for further providing vertical direction for tower.
In the present embodiment, 4 inner circumferential foundation piles 15 are placed with inner circumferential annulus, each inner circumferential foundation pile 15 is in 90 degree of interval
Angular displacement at equal intervals；Be placed with 12 inner circumferential foundation piles 15 on inner circumferential annulus, each inner circumferential foundation pile 15 in 30 degree of interval etc.
Interval angles are arranged；18 periphery foundation piles 13 are placed with peripheral circles, each periphery foundation pile 13 is in be spaced between 20 degree of grade
Every angular displacement.Pass through above-mentioned setting so that the arrangement mode of foundation pile is more reasonable in the basis of blower fan tower barrel, can be to wind
Machine tower provides effective support, can simplify the structure of pile foundation 100 as far as possible again, be enhanced on the basis of rationally control tower cost
The structural strength of tower.
Embodiment seven
As shown in figure 4, in the present embodiment, the support platform 200 of blower fan tower barrel includes concrete layer, concrete layer inside in advance
The bar construction buried is constituted.The support platform 200 is in the form of annular discs, and it is divided into from the outside to the core：Peripheral annular region 23, in
Between annular region 24 and central circular 25.Described peripheral annular region 23 is corresponding with the peripheral circles of pile foundation 100, in
Between annular region 24 is corresponding with the middle circle of pile foundation 100, central circular 25 is relative with the inner circumferential annulus of pile foundation 100
Should；Meanwhile, the top in peripheral circles region for outside the tower side wall of concrete tower 300, the top of intermediate annular region 24
Top for the tower side wall of concrete tower 300, central circular 25 is the interior hollow section of concrete tower 300.
In the present embodiment, the bar construction of support platform 200 includes lattice-shaped reinforcing bar group 21 and diverging strip reinforcing bar group 22.
Only it is equipped with described peripheral annular region 23 in diverging strip reinforcing bar group 22, intermediate annular region 24 and is equipped with diverging simultaneously
Strip reinforcing bar group 22 and lattice-shaped reinforcing bar group 21, central circular 25 are only equipped with lattice-shaped reinforcing bar group 21.
By the different reinforcing bar group of the different zones distribution laying in support platform 200, the blower fan that both proof stress is concentrated
Stress support at support strength below the wall of tower side, the tower center and periphery of guaranteed stress diverging；Meanwhile, also make
The laying area of support platform 200 is increased, and to provide wind resistance, Anti-inclining torque force support, reaching prevents the inclined mesh of blower fan tower barrel
's.
Embodiment eight
As shown in Fig. 1, Figure 17 and Figure 18, the transformer installed for transformer is provided with the present embodiment, outside blower fan tower barrel
Support platform 600, the transformer support platform 600 and the integral moulding by casting of concrete tower 300.By outside blower fan tower barrel
Portion sets the transformer support platform 600 with certain altitude, makes transformer have certain height above sea level, thinks blower fan in low sea
Pull out place and offer waterproof, flood fighting function are set, it is to avoid low altitude area region sets transformer after blower fan to be in turn resulted in brokenly by flood impact
Bad the occurrence of.
In the present embodiment, described transformer support platform 600 includes horizontally disposed landing slab 60, the one of landing slab 60
Side is connected with concrete tower 300；Landing slab 60 includes the steel bar layer that concrete layer and inside concrete are set, described steel
Muscle layer and the reinforcing bar of concrete tower 300 are mutually fixed, to cause the integral moulding by casting of landing slab 60 and blower fan tower barrel, to improve change
The strong degree of depressor support platform.
In the present embodiment, the tower axisymmetrical relative with the flabellum of blower fan of landing slab 60 is set, to cause transformer and wind
The flabellum of machine carries out symmetrical gravitational distribution, so that blower fan tower barrel gravity carries out uniform, the reduction inclined probability of blower fan tower barrel.
In the present embodiment, support of the bottom through at least one support column 64 and blower fan tower barrel that extend vertically of landing slab 60
Platform 200 is connected；Deformed bar 1 is provided with described support column 64, the upper end of the deformed bar 1 is with constituting platform
The framework reinforcing bar of plate 60 is fixed through lower end anchorage, lower end is fixed with constituting the framework reinforcing bar of support platform 200 through upper end anchorage；Institute
The upper end anchorage periphery stated is set with upper end anchorage cover, and described upper end anchorage cover is through standing screw 7 and upper end anchorage or platform
Plate 60 is mutually fixedly connected, and is made in independent closed space of the upper end anchorage installation between upper end anchorage cover and landing slab 60.
In the present embodiment, the described height of transformer support platform 600 be not less than the height of concrete tower 300 two/
One.It is preferred that, described transformer support platform 600 is arranged at the second concrete towers shell ring 32 and the 3rd concrete towers shell ring 33
Between joint face flush set.It is further preferred that the second concrete towers shell ring 32 and the 3rd concrete towers shell ring 33 it
Between joint face at be provided with inspection platform, the a-quadrant inside described inspection platform at least oversite concrete tower 300 is described
A-quadrant be in joint face between the second concrete towers shell ring 32 and the 3rd concrete towers shell ring 33, concrete tower 300
Sector region internal, with transformer support platform distance less than Sm.
In the present embodiment, described inspection platform is the annular shape inside oversite concrete tower 300 close to outer region,
Described inspection platform is made up of horizontally disposed circular steel plate, and the circular steel plate is set with tower axis coaxle, circle
The periphery of ring-type steel plate fits with the inner side of concrete tower 300 and contacts and be fixedly connected.
In the present embodiment, the transformer support platform 600 concrete tower corresponding with inspection platform is provided with confession
The maintenance door that maintenance, installation personnel come in and go out.
In the present embodiment, transformer periphery is arranged with transformer cover, and described transformer support platform 600 is provided with for becoming
The slot of depressor cover lower end grafting, described slot is by protruding from the inner circumferential convex rib 62 of the upper surface of transformer support platform 600
Constituted with periphery convex rib 61, to cause the bottom of transformer cover to be plugged between inner circumferential convex rib 62 and periphery convex rib 61
In gap so that transformer is in the independent closed region that transformer cover and transformer support platform 600 are constituted, and places transformation
Device and outside rainwater etc. are contacted.Meanwhile, the inner circumferential convex rib 62 and periphery fin of protrusion are set in transformer support platform 600
Bar 61, to avoid the rainwater in transformer support platform from may not flow into transformer cover.
In the present embodiment, transformer support platform 600 is provided with for the pod apertures 63 at rainwater outflow on platform, described
Pod apertures 63 are set located at the outside of periphery convex rib 61, through landing slab upper and lower surface；It is preferred that, pod apertures 63 and transformer
Located at the opposite end of transformer support platform；It is further preferred that the top surface of transformer support platform 600 from transformer to
The direction of pod apertures 63 gradually reduces height, flows to pod apertures 63 with the rainwater ensured on platform, and then reduce rainwater on platform
Accumulation.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the present invention's
Preferred embodiment is described, and not the spirit and scope of the present invention are defined, and is not departing from design philosophy of the present invention
Under the premise of, the various changes and modifications that professional and technical personnel in the art make to technical scheme belong to this hair
Bright protection domain.
Claims (10)
1. a kind of steel and concrete structure blower fan tower barrel, including：It is the bottom-up pile foundation (100) set gradually, support platform (200), mixed
Solidifying soil tower (300) and steel tower tube (500)；
It is characterized in that：Pile foundation (100) is embedded in ground end in advance, and the bottom of concrete tower (300) is to be layed in pile foundation (100)
Support platform (200), described support platform (200) and the integral moulding by casting of pile foundation (100), concrete tower (300) top
Portion is fixedly connected through connector (400) with steel tower tube (500) bottom same axis；Through setting on the wall of concrete tower (300) side
Deformed bar (1) upper and lower ends be fixed on connector (400) and support platform (200) place through anchorage respectively；
Many deformed bars (1) are placed with described concrete tower (300) side wall, each deformed bar (1) is with respect to tower
Cylinder axis angular displacement at equal intervals；The lower end of deformed bar (1) is connected with constituting the round reinforcing bar of support platform (200),
Upper end is spread out of from through hole (42) place of top plate (39)；The periphery of deformed bar (1) is arranged rubber sleeve (8)；
The lower end of described deformed bar (1) is connected through spring base with round reinforcing bar, and described spring base includes and round
The installing plate that reinforcing bar is mutually welded and fixed, the center of the installing plate is provided with the grafting sleeve extended vertically downwards, grafting tower
End opening, lower end are closed；In the lower end insertion grafting sleeve of deformed bar (1), described grafting sleeve is justified by least two panels
Arc plate is spliced to form Extrusion anchor ground tackle (2), and described installing plate is provided with the card convex being fixedly mounted for grafting sleeve, so that installing plate
Constitute the extruding anchoring part (3) being engaged with Extrusion anchor ground tackle (2).
2. a kind of steel and concrete structure blower fan tower barrel according to claim 1, it is characterised in that：Described concrete tower
(300) top plate (39), the support platform (200) of bottom setting, described top plate (39) and support platform that top is set are included
(200) be coaxially disposed, at equal intervals many spacer bar (38) two ends of angular displacement respectively with top plate (39) and support platform
(200) mutually it is fixedly connected, to constitute the support frame of concrete tower (300).
3. a kind of steel and concrete structure blower fan tower barrel according to claim 2, it is characterised in that：Described concrete tower
(300) the bottom-up Multi-section concrete tower section poured into a mould successively is included, each concrete towers shell ring is to be set along support frame
Tubular structure, to form the tower side wall of concrete tower.
4. a kind of steel and concrete structure blower fan tower barrel according to claim 2, it is characterised in that：Support platform (200) includes covering
Steel hoop skeleton (37) below the wall correspondence of lid concrete tower (300) side, described steel hoop skeleton (37) is by mutual
Anyhow cross arrangement is constituted into many horizontal stripe reinforcing bars (210) and many vertical bar reinforcing bars (211) of lattice-shaped；Spacer bar (38)
Lower end horizontal buckling, kink (380) is in contact with least two horizontal stripe reinforcing bars (210), kink (380) be in contact it is each
Horizontal stripe reinforcing bar (210) mutually rivets fixation through rivet respectively；The upper end of spacer bar (38) is provided with external screw thread, and top plate (39) is provided with
With the one-to-one sleeve of each spacer bar (38) phase, the sleeve lining is provided with the internal thread being meshed with external screw thread, order
Spacer bar (38) is mutually screwed with top plate (39).
5. according to a kind of any described steel and concrete structure blower fan tower barrel of claim 2 to 4, it is characterised in that：The upper end of installing plate
Provided with being set in deformed bar (1) periphery, spiral spiral reinforcement (4), the lower end of the spiral reinforcement (4) and peace
Dress plate is mutually welded and fixed.
6. a kind of steel and concrete structure blower fan tower barrel according to claim 5, it is characterised in that：The upper end of spiral reinforcement (4) with
Deformed bar is mutually welded and fixed.
7. according to a kind of any described steel and concrete structure blower fan tower barrel of Claims 1-4, it is characterised in that：Concrete tower
(300) mutually it is spliced to form in the concrete tower segments (30) of circular arc sheet by multistage；The both sides of concrete tower segments (30) point
The primary and secondary bar that She You mutually do not overlapped with adjacent concrete tower segments (30).
8. according to a kind of any described steel and concrete structure blower fan tower barrel of Claims 1-4, it is characterised in that：Described connector
(400) a discoid ring flange (41) is included, the inner circumferential of ring flange (41) is provided with the upper hem upwardly extended, described upper folding
Side constitutes the grafting that fitted on the outside of upper bush structure, the upper hem with steel tower tube (500) bottom inside；Ring flange (41) it is logical
Hole (42) place is provided with fixed structure to contract, being fixed for deformed bar (1) upper end；Described fixed structure be with it is pre-
The fixture block that stress reinforcing bar (1) upper end is mutually fixedly connected, the periphery of the fixture block at least partly exceeds through hole (42), described fixture block
It is mounted in the upside of ring flange (41).
9. according to a kind of any described steel and concrete structure blower fan tower barrel of Claims 1-4, it is characterised in that：Described pile foundation
(100) foundation pile (12) that column cushion cap (11) and many extend vertically is included, the middle part of each foundation pile (12) is equal
It is arranged at the inside of column cushion cap (11), each foundation pile (12) edge and column cushion cap (11) axis coaxle
The three weeks annulus set are arranged at equal intervals；The top surface that column cushion cap (11) is protruded in the upper end of each foundation pile (12) is set
Put, horizontal supporting force is provided with the support platform (200) to top.
10. according to a kind of any described steel and concrete structure blower fan tower barrel of Claims 1-4, it is characterised in that：Outside blower fan tower barrel
Provided with transformer support platform (600) being installed for transformer, with certain level height, the transformer support platform
(600) with the integral moulding by casting of concrete tower (300).
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| CN106089596B (en) * | 2016-08-23 | 2019-06-07 | 江苏金海新能源科技有限公司 | A kind of straight tower of hybrid blower of steel-prestressed concrete |
| CN107044385A (en) * | 2017-04-26 | 2017-08-15 | 北京唐浩电力工程技术研究有限公司 | A kind of installation method of the anti-vortex-induced vibration damping of blower fan tower barrel |
| CN108979965A (en) * | 2018-07-23 | 2018-12-11 | 宋云飞 | A kind of wind power station |
| CN111120216B (en) * | 2019-12-24 | 2022-11-11 | 新疆金风科技股份有限公司 | Supporting platform, tower barrel and wind generating set |
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| CN201326524Y (en) * | 2008-12-24 | 2009-10-14 | 华锐风电科技有限公司 | Composite tower cylinder of wind turbine |
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| EP2749386A3 (en) * | 2012-12-27 | 2015-12-09 | Acciona Windpower S.a. | Mould and manufacturing process for precast concrete element production |
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