CN110410276A - The prefabricated ring plate of wind-power tower in adjustable perps gap - Google Patents
The prefabricated ring plate of wind-power tower in adjustable perps gap Download PDFInfo
- Publication number
- CN110410276A CN110410276A CN201910721416.5A CN201910721416A CN110410276A CN 110410276 A CN110410276 A CN 110410276A CN 201910721416 A CN201910721416 A CN 201910721416A CN 110410276 A CN110410276 A CN 110410276A
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- China
- Prior art keywords
- ring plate
- perps
- fitting
- built
- boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000036316 preload Effects 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 108010074506 Transfer Factor Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of prefabricated ring plates of wind-power tower in adjustable perps gap, including ring plate (1), fitting boss (2), built-in fitting (3) and preload block (4)；Boss (2) protrusion is bonded to be arranged on the perps Mosaic face of ring plate (1)；The perps Mosaic face of ring plate (1) is equipped with groove, and built-in fitting (3) is inlaid in the perps Mosaic face of ring plate (1) by groove, the width direction of built-in fitting (3) perps Mosaic face and the inner face for penetrating into ring plate (1)；When adjacent ring plate (1) splices fixed by fixing piece, the fitting boss (2) of adjacent ring plate (1) is bonded to each other, and only pass through fitting boss (2) contact between adjacent ring plate (1), the built-in fitting (3) of adjacent ring plate (1) is oppositely arranged and is formed preload slot, makes preload block (4) that can be embedded in simultaneously tensioner and is pre-tightening in slot.The present invention can reduce the cost of manufacture of ring die, improve ring plate production, installation accuracy and efficiency.
Description
Technical field
The present invention relates to a kind of prefabricated components of wind-power tower more particularly to a kind of wind-power towers in adjustable perps gap
Prefabricated ring plate.
Background technique
The wind-powered electricity generation Prefabricated Concrete tower of the prior art is common for cylindric or polygon, generally truncated cone-shaped or more terrace with edges.Cause
For there are prefabricated and transport limitations, it has to entire wind tower are split into multiple shell rings in height (horizontal) direction, and will
One shell ring is divided into multiple ring plates on circumferential (vertical), to meet prefabricated and transport needs.
Since a shell ring is divided into several ring plates, the connection between ring plate uses vertical piece.Due to originals such as costs
Cause, by mold it is prefabricated after, the verticality of the vertical assembled face of the prefabricated structure ring plate of concrete with respect to ring plate bottom surface (mounting surface), and spelling
The flatness in dress face itself is bad, and the prefabricated precision of single ring plate is much unable to reach mach precision, therefore in ring plate assembly
When be extremely difficult to expected assembly precision so that causing ring plate and the accumulated error of shell ring very big.In addition the weight of ring plate
Generally all reach several tons, the error transfer factor during assembly is extremely difficult, and the working efficiency of alignment error is too low.
Summary of the invention
The purpose of the present invention is to provide a kind of prefabricated ring plates of wind-power tower in adjustable perps gap, can reduce ring plate mould
The cost of manufacture of tool improves ring plate production, installation accuracy and efficiency.
The present invention is implemented as follows:
A kind of prefabricated ring plate of wind-power tower in adjustable perps gap, including ring plate, fitting boss, built-in fitting and preload block；Patch
Boss protrusion is closed to be arranged on the perps Mosaic face of ring plate；The perps Mosaic face of ring plate is equipped with groove, and built-in fitting passes through groove
It is inlaid in the perps Mosaic face of ring plate, the width direction of built-in fitting perps Mosaic face and the inner face for penetrating into ring plate；It is adjacent
When ring plate splices fixed by fixing piece, the fitting boss of adjacent ring plate is bonded to each other, and only passes through fitting between adjacent ring plate
Boss contact, the built-in fitting of adjacent ring plate are oppositely arranged and are formed preload slot, so that preload block is embedded in simultaneously tensioner and are pre-tightening in slot.
The preload slot and preload block is the wedge structure to match.
The preload block merging is welded and fixed after pre-tightening slot with built-in fitting.
The inner end bending of the built-in fitting is L-shaped, and the bending end of built-in fitting is embedded on the inner wall of ring plate.
Sealing strip is equipped between the adjacent ring plate, sealing strip is vertically arranged along the perps Mosaic face edge of ring plate.
Fixing piece, fitting boss and the built-in fitting is separately positioned on the upper and lower part of ring plate, and fitting boss is located at
The top of the fixing piece on ring plate top.
The width of the fitting boss is less than the width of ring plate perps Mosaic face, and the height for being bonded boss is far smaller than ring
The height of piece.
Compared with prior art, the present invention having the following beneficial effects:
1, the present invention makes ring plate only pass through fitting boss and pre-tightens block contact, substantially reduces the prefabricated of ring plate verticality and flatness
Required precision, the accuracy of manufacture, cost, the difficulty of ring plate prefabricated mould also decrease.
2, assembly jig datum level need to be only adjusted in place by the present invention in assembly, be pre-tightened by polishing fitting boss and merging
Block adjusts perps splicing accuracy, reduces the difficulty of consolidation service, fitting boss, pre-tighten block, fixing piece belongs to detachably to connect
Mode is connect, assembly is easy to adjust there are dismantling when error, and the precision for shaping shell ring is higher.
3, the present invention is suitable for the prefabricated ring plate of the various straight line perps forms such as circle, polygon, application range and applicable
Range is wide.
The present invention can adjust perps gap by fitting boss and preload block under general prefabricated precision, to meet
The splicing accuracy requirement of ring plate, facilitates the assembly of ring plate, improves the assembled efficiency and quality of ring plate.
Detailed description of the invention
Fig. 1 is the assembled schematic diagram of the prefabricated ring plate of wind-power tower in the adjustable perps gap of the present invention；
Fig. 2 is the sectional view at the fitting boss of the prefabricated ring plate of wind-power tower in the adjustable perps gap of the present invention；
Fig. 3 is the sectional view of the prefabricated ring plate of wind-power tower in the adjustable perps gap of the present invention pre-tightened at block.
In figure, 1 ring plate, 2 fitting boss, 3 built-in fittings, 4 pre-tighten block, 5 sealing strips.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refer to attached drawing 1, a kind of prefabricated ring plate of wind-power tower in adjustable perps gap, including ring plate 1, fitting boss 2,
Built-in fitting 3 and preload block 4；Attached drawing 2 is referred to, fitting 2 protrusion of boss is arranged on the perps Mosaic face of ring plate 1；It refers to attached
The perps Mosaic face of Fig. 3, ring plate 1 are equipped with groove, and built-in fitting 3 is inlaid in the perps Mosaic face of ring plate 1 by groove, pre-buried
The width direction of 3 perps Mosaic face of part and the inner face for penetrating into ring plate 1；When adjacent ring plate 1 splices fixed by fixing piece, phase
The fitting boss 2 of adjacent ring plate 1 is bonded to each other, and between adjacent ring plate 1 only by fitting boss 2 contact, adjacent ring plate 1 it is pre-buried
Part 3 is oppositely arranged and is formed preload slot, enables to pre-tighten the insertion of block 4 and tensioner is pre-tightening in slot, so as to the perpendicular of adjacent ring plate 1
It stitches Mosaic face and generates pretightning force.
The preload slot and preload block 4 is the wedge structure to match, enables to pre-tighten block 4 when merging pre-tightens slot to ring
The perps Mosaic face of piece 1 generates pretightning force.
Preferably, the preload block 4 merging can be welded and fixed after pre-tightening slot with built-in fitting 3.
Sealing strip 5 is equipped between the adjacent ring plate 1, sealing strip 5 is vertically set along the perps Mosaic face edge of ring plate 1
It sets, for ensuring the airtight performance of perps between adjacent ring plate 1.
The inner end bending of the built-in fitting 3 is L-shaped, and the bending end of built-in fitting 3 is embedded on the inner wall of ring plate 1, energy
Guiding is hammered for preload block 4.
Fixing piece, fitting boss 2 and the built-in fitting 3 is separately positioned on the upper and lower part of ring plate 1, is bonded boss 2
Positioned at the top of the fixing piece on 1 top of ring plate, built-in fitting 3, which can be located at, to be fixed on above or below the fixing piece of lower part, pre-buried
Part 3 and fixing piece close on setting.
The width of the fitting boss 2 is less than the width of 1 perps Mosaic face of ring plate, and the height for being bonded boss 2 is much small
In the height of ring plate 1, make the area for being bonded boss 2 with respect to 1 very little of ring plate, therefore to the verticality and flatness of fitting boss 2
Prefabricated required precision it is low, production easy to process.
Adjacent ring plate 1 can be used a variety of of tower ring plate in the prior art by the connection of fixing piece and be bolted form,
As being bolted or being bolted in vitro in vivo.It is bolted i.e. in ring plate 1 that (bolt hole is as needed for prepared screw-bolt hole in vivo
Can be straight hole or bent hole) and hand hole, bolt is placed in bolt hole and is operated by hand hole and tightens bolt.External bolt connects
It connects and reserves sleeve i.e. in ring plate 1, first fixing and mounting bracket before assembled, then tightened by connecting bolt.The setting of bolt is high
Spend a demander just prefabricated reserved and assembling construction.
When adjacent ring plate 1 carries out perps splicing by fixing piece, the fitting boss 2 on adjacent 1 top of ring plate is bonded to each other, and is examined
Consider the presence due to being bonded boss 2, perps Mosaic face will have to generate elsewhere gap, therefore be bonded the thickness of boss 2
Degree is designed as several millimeters.When practical operation splicing accuracy can be adjusted by polishing fitting boss 2.Positioned at 1 lower part of ring plate
Built-in fitting 3, which can be used steel plate and be made and pass through groove, to be embedded in the perps Mosaic face of ring plate 1, and the pre- of adjacent two panels ring plate 1 is made
The preload slot of wedge shape is formed between embedded part 3.Block 4 is pre-tightened because squeezing into the preload slot of wedge shape, the surface of built-in fitting 3 will be less than ring
The 1 several millimeters in perps surface of piece.Due to the own wt of ring plate 1,1 bottom surface of ring plate is bonded with assembled datum level, wedge-shaped preload
The preload block 4 of matching merging wedge shape in slot can adjust splicing accuracy by adjusting the placed-depth for pre-tightening block 4.Due to wedge shape
Self-locking angle, pre-tighten block 4 be placed in after will not loosen, but in order to insure can also put into place wedge shape preload block 4 pass through
Spot welding is fixed on built-in fitting 3.The top fitting boss 1 of two adjacent ring plates 1, the wedge shape of lower part pre-tightens block 4 and fixing piece is formed
One adjustable perps connection relationship；Vertical sealing strip 5 is arranged in edge between two ring plates 1, reaches the effect of sealing splicing
Fruit；Again by bolt between two ring plates 1 or other be fastenedly connected mode, three forms a complete ring plate perps and connects
It connects.It is contacted since the perps Mosaic face of two adjacent ring plates 1 only passes through fitting boss 2, other positions no longer contact with each other, to ring plate
The verticality and planarity requirements on 1 surface can substantially reduce.
The above is merely preferred embodiments of the present invention, it is not intended to limit the protection scope of invention, it is therefore, all at this
Any modification, equivalent replacement, improvement and so within the spirit and principle of invention, should be included in protection model of the invention
Within enclosing.
Claims (7)
1. a kind of prefabricated ring plate of wind-power tower in adjustable perps gap, it is characterized in that: include ring plate (1), fitting boss (2),
Built-in fitting (3) and preload block (4)；Boss (2) protrusion is bonded to be arranged on the perps Mosaic face of ring plate (1)；The perps of ring plate (1)
Mosaic face is equipped with groove, and built-in fitting (3) is inlaid in the perps Mosaic face of ring plate (1) by groove, and built-in fitting (3) perps is spelled
The width direction of junction and the inner face for penetrating into ring plate (1)；When adjacent ring plate (1) splices fixed by fixing piece, adjacent ring
The fitting boss (2) of piece (1) is bonded to each other, and only passes through fitting boss (2) contact, adjacent ring plate (1) between adjacent ring plate (1)
Built-in fitting (3) be oppositely arranged and formed preload slot, make pre-tighten block (4) can be embedded in simultaneously tensioner preload slot in.
2. the prefabricated ring plate of wind-power tower in adjustable perps gap according to claim 1, it is characterized in that: the preload
Slot and preload block (4) are the wedge structure to match.
3. the prefabricated ring plate of wind-power tower in adjustable perps gap according to claim 1 or 2, it is characterized in that: described
It pre-tightens after block (4) merging pre-tightens slot and is welded and fixed with built-in fitting (3).
4. the prefabricated ring plate of wind-power tower in adjustable perps gap according to claim 1, it is characterized in that: described is pre-buried
The inner end bending of part (3) is L-shaped, and the bending end of built-in fitting (3) is embedded on the inner wall of ring plate (1).
5. the prefabricated ring plate of wind-power tower in adjustable perps gap according to claim 1, it is characterized in that: described is adjacent
Sealing strip (5) are equipped between ring plate (1), sealing strip (5) is vertically arranged along the perps Mosaic face edge of ring plate (1).
6. the prefabricated ring plate of wind-power tower in adjustable perps gap according to claim 1, it is characterized in that: the fixation
Part, fitting boss (2) and built-in fitting (3) are separately positioned on the upper and lower part of ring plate (1), and fitting boss (2) is located at ring plate (1)
The top of the fixing piece on top.
7. the prefabricated ring plate of wind-power tower in adjustable perps gap according to claim 1 or 6, it is characterized in that: described
The width for being bonded boss (2) is less than the width of ring plate (1) perps Mosaic face, and the height of fitting boss (2) is far smaller than ring plate (1)
Height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721416.5A CN110410276A (en) | 2019-08-06 | 2019-08-06 | The prefabricated ring plate of wind-power tower in adjustable perps gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721416.5A CN110410276A (en) | 2019-08-06 | 2019-08-06 | The prefabricated ring plate of wind-power tower in adjustable perps gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110410276A true CN110410276A (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910721416.5A Pending CN110410276A (en) | 2019-08-06 | 2019-08-06 | The prefabricated ring plate of wind-power tower in adjustable perps gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110410276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904803A (en) * | 2021-01-15 | 2021-06-04 | 西安电子科技大学 | Multi-splicing-surface deformation and flatness fine adjustment system, method, equipment and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3644817A1 (en) * | 1986-12-31 | 1988-07-14 | Dennert Kg Veit | Locking block for shearing-force transmission in prefabricated-compound-unit structures |
| CN102251606A (en) * | 2011-04-26 | 2011-11-23 | 北京城建五建设工程有限公司 | Outer partition wall built by adopting light concrete partition wall boards and construction method thereof |
| CN106949017A (en) * | 2017-05-05 | 2017-07-14 | 同济大学建筑设计研究院(集团)有限公司 | A kind of prefabricated mixing pylon of Wind turbines bottom burst |
| CN108138510A (en) * | 2015-09-15 | 2018-06-08 | 马克斯·博格风能股份公司 | The pylon of wind power plant is used for made of the concrete prefabricated component of annular segment shape |
| CN108194271A (en) * | 2017-12-13 | 2018-06-22 | 三重能有限公司 | Wind power generating set and its tower device for installing and leveling, method |
| CN208472987U (en) * | 2018-07-09 | 2019-02-05 | 上海宝悦房地产开发有限公司 | A kind of precast prestressed concrete T plate piece connecting node construction |
| CN210531059U (en) * | 2019-08-06 | 2020-05-15 | 上海市机电设计研究院有限公司 | Wind power tower cylinder prefabricated ring piece capable of adjusting vertical seam gap |
-
2019
- 2019-08-06 CN CN201910721416.5A patent/CN110410276A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3644817A1 (en) * | 1986-12-31 | 1988-07-14 | Dennert Kg Veit | Locking block for shearing-force transmission in prefabricated-compound-unit structures |
| CN102251606A (en) * | 2011-04-26 | 2011-11-23 | 北京城建五建设工程有限公司 | Outer partition wall built by adopting light concrete partition wall boards and construction method thereof |
| CN108138510A (en) * | 2015-09-15 | 2018-06-08 | 马克斯·博格风能股份公司 | The pylon of wind power plant is used for made of the concrete prefabricated component of annular segment shape |
| CN106949017A (en) * | 2017-05-05 | 2017-07-14 | 同济大学建筑设计研究院(集团)有限公司 | A kind of prefabricated mixing pylon of Wind turbines bottom burst |
| CN108194271A (en) * | 2017-12-13 | 2018-06-22 | 三重能有限公司 | Wind power generating set and its tower device for installing and leveling, method |
| CN208472987U (en) * | 2018-07-09 | 2019-02-05 | 上海宝悦房地产开发有限公司 | A kind of precast prestressed concrete T plate piece connecting node construction |
| CN210531059U (en) * | 2019-08-06 | 2020-05-15 | 上海市机电设计研究院有限公司 | Wind power tower cylinder prefabricated ring piece capable of adjusting vertical seam gap |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904803A (en) * | 2021-01-15 | 2021-06-04 | 西安电子科技大学 | Multi-splicing-surface deformation and flatness fine adjustment system, method, equipment and application |
| CN112904803B (en) * | 2021-01-15 | 2022-05-03 | 西安电子科技大学 | Multi-splicing-surface deformation and flatness fine adjustment system, method, equipment and application |
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