CN208057315U - A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder - Google Patents
A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder Download PDFInfo
- Publication number
- CN208057315U CN208057315U CN201820304816.7U CN201820304816U CN208057315U CN 208057315 U CN208057315 U CN 208057315U CN 201820304816 U CN201820304816 U CN 201820304816U CN 208057315 U CN208057315 U CN 208057315U
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- tower
- fragment
- concrete
- section
- wind turbines
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- 239000012634 fragment Substances 0.000 title claims abstract description 51
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 18
- 239000004567 concrete Substances 0.000 claims abstract description 46
- 239000011178 precast concrete Substances 0.000 claims abstract description 13
- 238000013467 fragmentation Methods 0.000 claims abstract description 4
- 238000006062 fragmentation reaction Methods 0.000 claims abstract description 4
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 239000004570 mortar (masonry) Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000003260 anti-sepsis Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder, which is vertically formed by connecting by the prefabricated tower segments of several truncated cone-shapeds, and segmented mode is horizontal fragmentation；Each section of tower segments are formed by connecting by the arc-shaped precast concrete fragment circumferential direction of multi-disc, and sliced fashion is vertical fragment, and after tower segments splicing is cyclic, the fissure of displacement is installed by the way of lifting paragraph by paragraph；It is in towering truncated cone-shaped after entire concrete tower splicing.The utility model is designed reasonably, construction is simple, convenient transportation, be connected firmly, be cheap, can lot flow construction.
Description
Technical field
The utility model belongs to the low wind speed area Wind turbines prestressing force mixing tower technical field of high tower, and in particular to a kind of
It is the prestressed concrete tower cylinder of fragment prefabricated that top, which is conventional steel tower, lower part,.
Background technology
Currently, China tradition Wind turbines support construction overwhelming majority uses steel cone tower, but with China's wind
The fast development of power power industry, Wind turbines single-machine capacity is increasing, in order to efficiently use the wind energy resources in low wind speed area,
Gradually to the altitude development of enlargement, matching hub height and rigidity requirement are continuously increased Wind turbines.When wheel hub height
When degree is more than 100m, traditional round taper steel tower tube bottom section diameter will be limited beyond the size of conventional highway transportation, and with steel cylinder
The increase of height, overall stiffness declines the bad vibration characteristic that can induce Wind turbines, to limit high tower Wind turbines
Development.Therefore the hybrid pylon of concrete-steel cylinder can meet the requirement of large-scale wind electricity machine unit hub height, be obtained in wind-powered electricity generation field
To extensive concern.
The hybrid pylon lower part of concrete-steel cylinder uses concrete tower, top to use steel tower drum, and basis is using hollow
Disc reinforced concrete structure, three is connected by prestress wire, so as to substantially reduce the height of steel tower drum section
Degree also ensures that high tower barrel structure has better mechanical characteristic under the premise of meeting traffic condition.Cast-in-place concrete tower has
There are the limitations such as construction is complicated, curing cycle is long, template dismounting is cumbersome, concrete construction quality is difficult to ensure, it is difficult to meet big
The construction requirement of type wind power generating set mass, procedure.
Utility model content
The purpose of this utility model is in view of the above problems, to provide a kind of reasonable design, construction is simple, transporter
Just, be connected firmly, be cheap, can lot flow construction fragment prefabricated Wind turbines prestressed concrete tower
Cylinder.For this purpose, the utility model uses following technical scheme：
A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder, it is characterised in that：The concrete tower is by several
The prefabricated tower segments of truncated cone-shaped are vertically formed by connecting, and segmented mode is horizontal fragmentation；Each section of tower segments are arc-shaped prefabricated by multi-disc
Concrete fragment circumferential direction is formed by connecting, and sliced fashion is vertical fragment, after tower segments splicing is cyclic, by the way of lifting paragraph by paragraph
The fissure of displacement is installed；It is in towering truncated cone-shaped after entire concrete tower splicing.
Further, concrete tower is in addition to pushing up section, and each section of wall thickness is between 300mm ~ 500mm；Bottom section concrete tower
Cylinder opens up door opening, and personnel's disengaging and equipment is facilitated to carry, and tower barrel base is designed to hollow disc formula to reserve steel strand tension anchor
Gu space；The slow transition by a certain percentage of section tower wall thickness is pushed up, ensures that top end surface wall thickness is noticeably greater than stack shell wall thickness, is made with this
For the anchored end of prestress wire and bolt assembly, top section precast concrete tower segments reserve steel strand wires pipe laying, and in top surface
Default anchor.
Further, top section concrete tower below is not provided with reserved steel strand wires pipe laying, and the steel strand wires of connection run through
Enter space in concrete towers cylinder cylinder after the section of concrete tower top.
Further, concrete tower assembles again using fragment is prefabricated, and strength grade of concrete is between C40 ~ C70, often
High 3m ~ the 6m of section tower, all arc-shaped precast concrete fragment setting leveling screw ducts and nut mounting groove and vertical bolt
Duct and nut mounting groove；Longitudinal joint between precast concrete fragment is connected using straight bolt with slurry mode is sat, and vertical connection is same
Sample is using straight bolt and sits slurry mode, after the completion of splicing lifting, being tamped, being smoothed out with mortar at nut mounting groove, plays anti-corrosion
Effect, all junction gaps waterproof mortar or marine glue filling；After all installation is complete, prestress wire is carried out
Poling tensioning, and both ends are anchored.
Further, the longitudinal joint between precast concrete fragment is connected using straight bolt with slurry mode is sat, and bolt, which is located at, to be leaned on
At about 1/3 wall thickness of nearly tower drum outer wall, single arrangement matches 1 bolt along every 4 placing of reinforcement of short transverse；Vertical connection is same to be used
Straight bolt and seat slurry mode, are often circumferentially evenly arranged 8 bolts between section concrete；After the completion of splicing lifting, nut is pacified
It tamped, smoothed out with mortar at tankage, play the role of corrosion-resistant, all junction gaps waterproof mortar or marine glue filling；Entirely
Portion carries out poling tensioning after installation is complete, to prestress wire, and both ends are anchored.
Further, each section of tower is formed by connecting by 4 identical 1/4 arc-shaped precast concrete fragment circumferential directions.
The utility model has the beneficial effects that：
（1）Concrete tower is prefabricated using fragment, and construction quality and the more cast-in-place mode of concrete strength, which have, more fully protects
Card, and the utilization rate of concrete material can be greatly improved；Each fragment size rule rationally, can stack transport, transport can be improved
Efficiency.
（2）Concrete tower fragment prefabrication system can carry out lot flow construction and maintenance to tower, ensure
Construction and curing cycle are greatly shortened under the premise of quality.
（3）Fragment prefabrication system can substantially reduce template number, it is only necessary to the 1/4 of conventional template, and close height wind turbine
The tower of identical size can be used in group, and template is repeatable to be utilized, and cost is reduced.
（4）According to the mechanical characteristic of concrete tower, circumferential direction is bolted between fragment, both can guarantee lifting and fortune
Stress intensity requirement when row operating mode, also allows for in-site installation construction.
（5）After external prestressing structure stretch-draw anchor, tower greatly improves tower generally in preloading condition
Tensile strength and stability ensure that the rigidity and intensity of concrete tower；Which is not necessarily to compared with in-body prestressed structure
Steel strand wires pipe layings is preset in precast concrete fragment, can avoid the alignment of each section of tower built-in pipe in the construction stage and steel twists
The entire poling process of line.
（6）Wind-powered machine unit hub height is set to increase using the hybrid pylon of concrete-steel cylinder, rigidity enhancing, amplitude reduction,
Be conducive to structure safe and stable operation, Wind turbines enlargement, altitude demand for development can be met, low wind speed can be efficiently used
The wind-resources in area.
Description of the drawings
Fig. 1 is fragment prefabricated Wind turbines prestressed concrete tower cylinder sectional view in the utility model embodiment.
Fig. 2 is fragment prefabricated Wind turbines prestressed concrete tower cylinder top section sectional view in the utility model embodiment.
Fig. 3 be in the utility model embodiment fragment prefabricated Wind turbines prestressed concrete tower cylinder top surface from A-A to
Under vertical view.
Fig. 4 is 1/4 fragment of fragment prefabricated Wind turbines prestressed concrete tower cylinder outside in the utility model embodiment
3-D view.
Fig. 5 is 1/4 fragment of fragment prefabricated Wind turbines prestressed concrete tower cylinder inside in the utility model embodiment
3-D view.
Specific implementation mode
The present embodiment is the fragment prefabricated Wind turbines prestressed concrete tower cylinder of a 48m high, below in conjunction with the accompanying drawings
The utility model is described in further detail.
As shown in Fig. 1 ~ Fig. 5, which is formed by connecting by bottom section 2, top section 3 and ten 1 fissure of displacement of interlude, is segmented
Mode is horizontal fragmentation；Each section of tower is spliced by four identical 1/4 arc-shaped precast concrete fragments 12, sliced fashion
For vertical fragment.All concrete tower fragments 12 are in the unified prefabricated maintenance of precast plant and transport to scene splicing lifting, entirely
It is in towering truncated cone-shaped after the completion of the splicing of concrete tower.Tower top outer diameter 5.2m, wall thickness 1.0m, the pre-buried annular billet in top surface
11 protecting tower top surface compressive region concrete；Tower barrel bottom section 2 is connected with basis 7, bottom end outer diameter 7.8m；Tower top section 3 is logical
It crosses bolt assembly 9 and flange 10 is connected with steel tower tube section 4.The concrete tower unilateral side gradient is 2.7%.
Tower barrel bottom section opens up door opening 5, and in addition to pushing up section 3, each section of wall thickness is 400mm.In order to which atop a tower prestressing force is arranged
The anchored end of steel strand wires 6 and bolt assembly 9 and the intensity for ensureing to push up section compressive region concrete, top section tower wall thickness press 1:3 slope
It spends even transition to reduce, guarantee top end surface wall thickness is 1.0m.It pushes up section tower and reserves steel strand wires pipe laying, and in the default anchoring in top surface
Device, the anchor structure as connecting flange structure.Upper end is anchored on concrete tower top surface after steel strand wires poling tensioning
On flange arrangement, anchoring lower ends to foundation ring bottom surface 8 make tower generally in preloading condition, can effectively improve concrete tower
Tensile strength and stability；Prestress wire is along the circumferentially spaced-apart 15 ° of arrangements of concrete tower, totally 24 beam, to avoid door opening,
The prestressed cable of door opening both sides（Totally 4 beam）It is opened to both sides.
As shown in Fig. 4 ~ Fig. 5, in the present embodiment, the high 4.0m of every section of tower, each section concrete tower is prefabricated using fragment,
Strength grade of concrete is between C40 ~ C70, and preferably concrete strength is C50.All fragments are produced in batches in precast plant, prefabricated
When the domed placement of template, template designated position does protrusion, prepared screw-bolt hole road and nut mounting groove, peace is automatically formed after demoulding
Tankage, feed inlet are located at die head, vibrate uniformly, and after the completion of concrete fragment pours, ground mould is done in outside, and steam curing is protected
Demonstrate,prove concrete pouring quality.Prefabricated concrete fragment, which lies low, to be stacked, and conventional highway transportation requirement can be met.
In tower splicing, 2 1/4 precast concrete fragments 12 by leveling screw component 13 and are sat into slurry side first
Formula is spliced into 1/2 annulus, then 2 1/2 annulus are spliced into truncated cone-shaped tower segments by same mode.Wait for all concretes
After the completion of the splicing of native fragment, using by it is lower and it is upper lift paragraph by paragraph by the way of the fissure of displacement install, vertical connection uses vertical bolt assembly
14 and slurry mode is sat, 8 bolts are circumferentially evenly arranged per between section concrete.After the completion of splicing, nut mounting groove 15 is used
Mortar is tamped, is smoothed out, and plays antisepsis, all junction gaps waterproof mortar or marine glue filling.
After the completion of each section of tower lifting, puts the oil in reserved pipe laying inner ring and penetrate steel strand wires, steel strand wires lower end is grasped in anchoring
It is anchored to foundation ring bottom surface in cheating, to upper end is anchored to tower top surface after steel strand wires progress tensioning.
Above example is only a kind of more excellent technical solution of the utility model, it will be understood by those of skill in the art that
In the case that do not depart from the principles of the present invention and essence can in embodiment technical solution or parameter modify or
Person replaces, and should be covered within the scope of the utility model.
Claims (6)
1. a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder, it is characterised in that：The concrete tower is by several circles
The prefabricated tower segments of platform shape are vertically formed by connecting, and segmented mode is horizontal fragmentation；Each section of tower segments are arc-shaped prefabricated mixed by multi-disc
Solidifying soil fragment circumferential direction is formed by connecting, and sliced fashion is vertical fragment, wrong by the way of lifting paragraph by paragraph after tower segments splicing is cyclic
Seam installation is in towering truncated cone-shaped after entire concrete tower splicing.
2. a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder according to claim 1, it is characterised in that：It is mixed
Solidifying soil tower is in addition to pushing up section, and each section of wall thickness is between 300mm ~ 500mm；Bottom section concrete tower opens up door opening, facilitates personnel
Disengaging and equipment are carried, and tower barrel base is designed to that hollow disc formula anchors space with reserved steel strand tension；Push up section tower wall thickness
Slow transition by a certain percentage ensures that top end surface wall thickness is noticeably greater than stack shell wall thickness, uses this as prestress wire and spiral shell
The anchored end of bolt assembly, top section precast concrete tower segments reserve steel strand wires pipe laying, and preset anchor in top surface.
3. a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder according to claim 2, it is characterised in that：Top
Section concrete tower below is not provided with reserved steel strand wires pipe laying, and the steel strand wires of connection enter after the section of concrete tower top
Space in concrete tower cylinder.
4. a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder according to claim 1, it is characterised in that：It is mixed
Solidifying soil tower assembles again using fragment is prefabricated, and strength grade of concrete is between C40 ~ C70, every section of tower high 3m ~ 6m, Suo Youyuan
Leveling screw duct and nut mounting groove and vertical bolt duct and nut mounting groove is arranged in arc precast concrete fragment；
Longitudinal joint between precast concrete fragment is using straight bolt and sits slurry mode and connects, vertical connection equally use straight bolt with
It sits slurry mode and, being tamped, being smoothed out with mortar at nut mounting groove, plays the role of corrosion-resistant, all connections after the completion of splicing lifting
Locate gap waterproof mortar or marine glue filling；All after installation is complete, poling tensioning carried out to prestress wire, and by two
End anchoring.
5. a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder according to claim 1, it is characterised in that：In advance
Longitudinal joint between concrete fragment processed is connected using straight bolt with slurry mode is sat, and bolt is located at close to about 1/3 wall thickness of tower drum outer wall
Place, single arrangement match 1 bolt along every 4 placing of reinforcement of short transverse；Vertical connection equally using straight bolt and sits slurry mode, often
8 bolts are circumferentially evenly arranged between section concrete；After the completion of splicing lifting, being tamped, smeared with mortar at nut mounting groove
It is flat, play the role of corrosion-resistant, all junction gaps waterproof mortar or marine glue filling；After all installation is complete, to answering in advance
Power steel strand wires carry out poling tensioning, and both ends are anchored.
6. a kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder according to claim 1, it is characterised in that：Often
One section of tower is formed by connecting by 4 identical 1/4 arc-shaped precast concrete fragment circumferential directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820304816.7U CN208057315U (en) | 2018-03-06 | 2018-03-06 | A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820304816.7U CN208057315U (en) | 2018-03-06 | 2018-03-06 | A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057315U true CN208057315U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820304816.7U Ceased CN208057315U (en) | 2018-03-06 | 2018-03-06 | A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301983A (en) * | 2018-03-06 | 2018-07-20 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder |
| CN109763942A (en) * | 2019-02-21 | 2019-05-17 | 江苏金海新能源科技有限公司 | A kind of prestressed concrete blower fan pylon and its construction method |
| CN111155822A (en) * | 2018-11-20 | 2020-05-15 | 中国船舶重工集团海装风电股份有限公司 | Steel strand installation method for wind driven generator support tower frame prestressed structure |
| CN111350634A (en) * | 2018-12-20 | 2020-06-30 | 北京金风科创风电设备有限公司 | Tower section, tower and method for producing a tower section |
| CN111456068A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Center section of thick bamboo component of tower section of thick bamboo basis, center section of thick bamboo that has it and tower section of thick bamboo basis |
| CN114837897A (en) * | 2021-02-02 | 2022-08-02 | 上海市机电设计研究院有限公司 | Wind power tower cylinder with all-section tensioning prestressed concrete structure |
-
2018
- 2018-03-06 CN CN201820304816.7U patent/CN208057315U/en not_active Ceased
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301983A (en) * | 2018-03-06 | 2018-07-20 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fragment prefabricated Wind turbines prestressed concrete tower cylinder |
| CN111155822A (en) * | 2018-11-20 | 2020-05-15 | 中国船舶重工集团海装风电股份有限公司 | Steel strand installation method for wind driven generator support tower frame prestressed structure |
| CN111350634A (en) * | 2018-12-20 | 2020-06-30 | 北京金风科创风电设备有限公司 | Tower section, tower and method for producing a tower section |
| CN111350634B (en) * | 2018-12-20 | 2021-01-22 | 北京金风科创风电设备有限公司 | Tower section, tower and method for producing a tower section |
| CN111456068A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Center section of thick bamboo component of tower section of thick bamboo basis, center section of thick bamboo that has it and tower section of thick bamboo basis |
| CN111456067A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Center barrel component of tower barrel foundation, center barrel and tower barrel foundation |
| CN111456071A (en) * | 2019-01-18 | 2020-07-28 | 深圳国金电力新能设计院有限公司 | Center cylinder of tower cylinder foundation, construction method of tower cylinder foundation and tower cylinder |
| CN109763942A (en) * | 2019-02-21 | 2019-05-17 | 江苏金海新能源科技有限公司 | A kind of prestressed concrete blower fan pylon and its construction method |
| CN114837897A (en) * | 2021-02-02 | 2022-08-02 | 上海市机电设计研究院有限公司 | Wind power tower cylinder with all-section tensioning prestressed concrete structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20220721 Decision number of declaring invalidation: 57126 Granted publication date: 20181106 |
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| IW01 | Full invalidation of patent right |