CN102374138A - Wind turbine anchor element - Google Patents
Wind turbine anchor element Download PDFInfo
- Publication number
- CN102374138A CN102374138A CN2011102381767A CN201110238176A CN102374138A CN 102374138 A CN102374138 A CN 102374138A CN 2011102381767 A CN2011102381767 A CN 2011102381767A CN 201110238176 A CN201110238176 A CN 201110238176A CN 102374138 A CN102374138 A CN 102374138A
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- nut
- anchor bolt
- pylon
- anchor
- anchoring
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- 238000004873 anchoring Methods 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 19
- 239000004567 concrete Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 20
- 238000012546 transfer Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- IYFATESGLOUGBX-YVNJGZBMSA-N Sorbitan monopalmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O IYFATESGLOUGBX-YVNJGZBMSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- 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
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- 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
- F03D13/22—Foundations specially adapted for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
- F05B2260/301—Retaining bolts or nuts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Architecture (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Wind Motors (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention relates to a wind turbine anchor element. Concretely, an anchor element (200) for a tower includes: an anchor plate element (215) including an upper surface (211), a lower surface (212), and at least one first through-hole (213) extending between the upper surface (211) and the lower surface (212); and at least one first nut (220) having a female thread, the at least one first nut (220) being provided at the at least one first through-hole (213) at the lower surface (212) of the anchor plate element (215) so as to cover the at least one first through-hole (213), wherein the at least one first nut (22) is non-releasably connected to the lower surface (212) of the anchor plate element (215).
Description
Technical field
Theme disclosed herein relates generally to the method and system that is used for the grappling wind turbine tower, and more specific, relates to being used for wind turbine tower is anchored to the method and system on the tower base.
Background technique
At least some known wind turbine comprises pylon and is installed to the cabin on the pylon.Rotor rotatably is installed on the cabin and through axle and is attached to generator.A plurality of blades extend from rotor.Blade is oriented to the wind that makes through blade and makes rotor rotation and make the axle rotation, thereby drives generator for electricity generation.
As some other technology were installed, wind turbine needed pylon or bearing, and cabin and wind rotor are mounted above that.Usually, pylon is formed from steel and is connected on the pedestal of being processed by reinforced concrete.Usually, the flange that the bottom that is utilized in pylon has through hole connects.Anchor bolt is inserted in the through hole and utilizes nut tightening.Usually, anchor bolt is connected to the grappling circle that embeds in the pedestal.Usually, thereby the coarse relatively feasible formation grouting of the concrete surface of pedestal connects (grout joint), and flange is positioned at this grouting and connects.
In the operation period of wind turbine, the wind load of variation is applied on wind rotor and the cabin, and is passed to pedestal via anchor bolt.Therefore, need to change the bolt that damages or destroy.In addition, thus need the inspection anchor bolt to make that the stage detects damage in early days.
Summary of the invention
In one aspect, a kind of anchoring element that is used for pylon comprises: the anchor plate element, and it comprises upper surface, lower surface and at least one first through hole that between upper surface and lower surface, extends; And; At least one first nut; It has box thread; Thereby said at least one first nut is arranged on this at least one first through hole and covers this at least one first through hole at the lower surface place of said anchor plate element, wherein, said at least one first nut non-releasably is connected to the lower surface of anchor plate element.
On the other hand, a kind of wind turbine comprises: pylon, and it has the bottom; Pedestal, it has upper surface; Anchor log; It comprises the following anchoring members that is positioned at pedestal; And comprise the upper surface of anchoring members under upper surface, lower surface and the connection and a plurality of first through holes of lower surface; Also comprise a plurality of lower nuts, cover said first through hole and non-releasably be connected to the lower surface of anchoring members down thereby each lower nut is arranged on corresponding first through hole at the lower surface place of following anchoring members; Last anchoring members, it comprises upper surface, lower surface and connects the upper surface of last anchoring members and a plurality of second through holes of lower surface that each second through hole is vertically aimed at one of them first through hole substantially; A plurality of leading pipes, each leading pipe connect a pair of first through hole and second through hole; A plurality of anchor bolts, each anchor bolt are accommodated in one of them leading pipe, and the bottom of said anchor bolt engages with the internal thread of corresponding lower nut with tightening and give prominence to from the upper surface of last anchoring members on the top of said anchor bolt; And, a plurality of upper cap nuts, each upper cap nut stationary phase is answered the top of anchor bolt; Wherein, the bottom of pylon is connected to the upper surface of anchoring members rigidly.
Also having on the other hand, a kind of method that is used to replace the anchor bolt of wind turbine comprises: loosening and remove the upper cap nut at anchoring members place; Remove anchor bolt and anchor bolt is pulled out from the pipeline that extends down between anchoring members and the last anchoring members through the bottom of backing out anchor bolt from the lower nut that non-releasably is connected to down anchoring members; Be screwed in lower nut changing the bottom that also will change anchor bolt in the anchor bolt insertion pipeline; Form being rigidly connected between anchoring members and the following anchoring members through tightening upper cap nut at the place, top that changes anchor bolt.
Further aspect of the present invention, advantage and characteristic are conspicuous from accompanying claims, description and accompanying drawing.
Description of drawings
For those of ordinary skills, in the remaining part of this specification, more specifically set forth fully and fully open (comprising its optimal mode), comprise reference to accompanying drawing, in the accompanying drawings:
Fig. 1 is the perspective view of an exemplary wind turbine.
Fig. 2 is the view according to the embodiment's described herein anchor log that comprises anchoring element.
Fig. 3 is the sectional detail view according to embodiment's described herein anchoring element.
Fig. 4 and Fig. 5 are the top views according to embodiment's described herein anchor plate element.
Fig. 6 and Fig. 7 show the anchoring device according to embodiment described herein.
Fig. 8 to Figure 10 shows the different embodiments according to embodiment's described herein nut.
Figure 11 shows the method according to embodiment's described herein term replacement anchor bolt.
Label
Pylon 12
Support system 14
Cabin 16
Root of blade part 24
Become oar regulating system 32
Become oar axis 34
Yaw axes 38
Tower base 150
Anchor log, anchoring element 200
Anchor plate 210
The upside 211 of anchor plate
The downside 212 of anchor plate
First through hole 213
Following anchoring members 217
Following anchoring members 218
Element
Moment of torsion parts 221
Pylon base element 300
Pylon substrate 310
The upside 311 of pylon substrate
The downside 312 of pylon substrate
Second through hole 313
Last anchoring members 315
Anchor bolt 340
Lower bolt screw thread 341
Upper bolt screw thread 342
Leading pipe 355
Grouting connects 360
Method frame 400-440
Embodiment
To carry out detailed reference to different embodiments of the invention now, in each accompanying drawing, show wherein one or more examples.Each example provides through the mode of explaining and is intended to as restriction.For example, show as an embodiment's part or the characteristic described can be used on other embodiment or is used in combination to produce embodiment further with other embodiment.Disclosure intention comprises such modification and modification.
Embodiment as herein described comprises the wind turbine system, and wherein anchor bolt can be easy to change and replacement.More specifically, can be easy to replace the anchor bolt of damage.In addition, can check anchor bolt.
Along with the modern wind turbine is produced increasing electric power, they also must bear higher load.These loads are fastened to pylon the device of pedestal and are passed to pedestal via being used for, and this device comprises anchor bolt.High fatigue loads via the anchor bolt transmission can cause the first crackle in the material and cause this crackle to further expand.Before or after bolt destroyed, bolt should be replaced so that keep bolted structural integrity.Because anchor bolt is fixed in the concrete pedestal usually, changes so normally meticulous and expensive task of anchor bolt.
But, when going wrong when combining forming between anchor bolt and the concrete.In other cases, between nut and the anchor bolt be connected stronger than being connected between nut and the surrounding concrete.When attempting anchor bolt when nut is backed out, therefore being connected loosening and destroying between set screw nut and the surrounding concrete can take place, stay nut and be connected inseparably with anchor bolt.Therefore, nut and anchor bolt are changeing pine below the anchor plate down, thereby make and can not anchor bolt be backed out from nut.
In view of top situation, the disclosure proposes to make the fixed-site of nut, thereby makes that nut no longer can move or rotate after initial the installation.And, propose that covering or protection anchor bolt make it to avoid concrete or other material.Through these measures, can anchor bolt be backed out and change from nut.
Embodiment's disclosed herein advantage is that after changing the anchor bolt that damages or destroy, the nut of the bottom of the fixing anchor bolt that damages will not rotate, and this allows to remove the anchor bolt of damage and does not damage pedestal.This is avoided a part or whole part of pedestal to rebuild.
Another advantage of embodiment disclosed herein is, does not need as the way in past, the anchor bolt that damages to be stayed in the pedestal.This will improve pylon stability and structural integrity.
Another advantage that also has of embodiment disclosed herein is that the method for the anchor bolt that disclosed replacing damages is more cheap than the alternative of the fixing anchor bolt that destroys.
Term as used herein " anchoring element " expection expression embeds or is attached to the structure of pedestal, and wherein, this structure is designed with the adaptive bottom of wind turbine tower that makes and can be connected on it.Term as used herein " blade " expection expression provides any device of reaction force when moving with respect to surrounding fluid.Term as used herein " wind turbine " expection expression produces energy of rotation and more specifically the kinetic energy of wind is changed into any device of mechanical energy from wind energy.Term as used herein " wind-driven generator " expection expression is from energy of rotation generating that wind energy produced and more specifically the kinetic energy of wind is changed into any wind turbine of electric power.
Fig. 1 is the perspective view of an exemplary wind turbine 10.In this exemplary embodiment, wind turbine 10 is horizontal axis formula wind turbines.Perhaps, wind turbine 10 can be vertical axis formula wind turbine.In this exemplary embodiment, wind turbine 10 comprises: pylon 12, and it extends from tower base 150; Cabin 16, it is installed on the pylon 12; And, rotor 18, it is attached to cabin 16.Rotor 18 comprises rotatable wheel hub 20 and at least one rotor blade 22, and this at least one rotor blade 22 is attached to wheel hub 20 and stretches out from wheel hub 20.In this exemplary embodiment, rotor 18 has three rotor blades 22.In alternative, rotor 18 comprises more than three or is less than three rotor blades 22.In this exemplary embodiment, pylon 12 is processed between support system 14 and cabin 16, to limit chamber (not shown in Fig. 1) tubular steel.In alternative, pylon 12 is the pylons with any suitable type of any proper height.
Thereby rotor blade 22 becomes available mechanical energy and electric energy subsequently to help rotor 18 to make kinetic energy shift from wind around wheel hub 20 is spaced apart.Can rotor blade 22 be cooperated with wheel hub 20 through root of blade part 24 is connected in a plurality of load transfer district 26.Load transfer district 26 has hub load transmission region and blade load transfer district (all not shown in Fig. 1).Guiding to load on the rotor blade 22 is delivered to wheel hub 20 via load transfer district 26 and is delivered to downwards in the tower base 150 via pylon 12 then.
In one embodiment, rotor blade 22 has the length of scope from about 15 meters (m) to about 91m.Perhaps, rotor blade 22 can have and can make wind turbine 10 acting any appropriate length as described herein.For example, other non-limiting example of length of blade comprises 10m or littler, and 20m, 37m are perhaps greater than the length of 91m.When wind during from direction 28 bump rotor blades 22, rotor 18 is around spin axis 30 rotations.When rotor blade 22 rotated and stands centrifugal force, rotor blade 22 also stood different power and moment.Therefore, rotor blade 22 can and/or rotate to inflection point from middle or non-inflection point deflection.
Fig. 2 is the view that places the anchor log 200 in the tower base 150 (for example can be the pedestal of wind turbine 100).This anchor log comprises anchoring members 217 and last anchoring members 315 down, and last anchoring members 315 is the part of pylon base element 300.Following anchoring members 217 is connected to each other through anchor bolt 340 with last anchoring members 315.Anchor bolt 220 is screwed in lower nut 225, and lower nut 225 mechanically is fixed on down the lower surface place of anchor plate.In the upper end, anchor bolt 340 is fixed to anchoring members 315 through upper cap nut 325.Anchor bolt 340 is contained in the leading pipe (not shown in Fig. 2), and leading pipe extends between the upper surface of the lower surface of last anchoring members and following anchoring members.Leading pipe protection anchor bolt 340 avoids the concrete (it can damage being connected between lower nut 325 and the anchor bolt 340) of pedestal.
Anchoring members 217 was arranged in the bottom of pedestal 150 under Fig. 2 showed.The upper end of anchor bolt 340 is outstanding from pedestal 150 in the some there that forms recess.Last anchoring members 315 is positioned at the upper end of anchor bolt 340, thereby makes anchor bolt 340 outstanding second through holes that are formed in the anchoring members 315 that pass.Here, pylon base element 300 is aimed at, thereby makes that the sidepiece of pylon base element 300 is vertical.Then, produce grouting in the gap between the lower end of pedestal 150 and last anchoring members 315 and connect 360.After grouting connection 360 is solidified, accomplish tower base 150, comprise by means of upper cap nut 325 anchor bolt 340 is tightened on the anchoring members 315.Afterwards, pylon can further be building up to the top.
According to another embodiment, last anchoring members 315 can be and pylon base element 300 divided portion.Under these circumstances, last anchoring members 315 can be connected to down tower part through other means, for example through welding, tighten, rivet or use other anchor bolt.
Fig. 3 shows the detail cross-sectional view according to an embodiment's anchoring element 200.Anchoring element 200 comprises anchor plate element 215, pylon base element 300, pipeline 350, anchor bolt 340, first nut 220, second nut 320, first packing ring 230 and second packing ring 330.The T shape flange 316 that pylon base element 300 comprises pylon substrate 310 and is used for anchoring element 200 is connected to the bottom of pylon 12.In an exemplary embodiments, anchor plate element 215 is a circle section as shown in Figure 4.In the embodiment shown in Fig. 4, circle section span 40 degree, thus make nine circle segment elements constitute the circle of 360 complete degree.But anchoring members 217 can be by being less than nine or form more than nine anchoring elements under the cast of 360 degree.Therefore, but circle section span greater or less than 40 degree.Usually, before filling pedestal 150, the section of circle is welded to one another with concrete.
Anchoring element 200 shown in Fig. 3 comprises anchor plate element 215, first through hole 213 that anchor plate element 215 has upper surface 211, lower surface 212 and between upper surface 211 and lower surface 212, extends.Anchor plate element 215 can be assembled to form cast anchor plate 210 with other anchor plate element.Usually, upper surface 211 is a plat surface and parallel with lower surface 212.Usually, first through hole 213 is for the cylindrical hole that on its length, has constant diameter and perpendicular to surface 211 and 212 formation.
Anchoring element 200 also comprises pylon substrate 310, and pylon substrate 310 is located at anchor plate element 215 or anchor plate 210 tops.Second through hole 313 that pylon substrate 310 has upper surface 311, lower surface 312 and between upper surface 311 and lower surface 312, extends.Usually, pylon substrate 310 has the shape of cylinder symmetric and is machined and is integral body.But its mode that can be similar to anchor plate 210 is formed by several parts.Pylon substrate 310 forms the part of pylon base element 310, and this part is the nethermost part of pylon 12.Pylon substrate 310 also comprises T shape flange 316, and it is used for pylon 12 is connected to pylon base element 300.
In one embodiment, pipeline 350 is a cylindrical tube, and it has slightly the diameter less than first through hole 213 and second through hole 313.Pipeline 350 has certain-length, thereby makes it can in first through hole 213 and second through hole 313, be arranged between the lower surface 212 of upper surface 311 and anchor plate element 215 of pylon substrate 310.According to an alternative embodiment, pipeline 350 can have slightly the diameter greater than first through hole 213 or second through hole 313, and can around respective through hole 213,313, be attached to upper surface 211 or lower surface 312.
According to the embodiment of Fig. 3, anchoring element 200 also comprises anchor bolt 340, and anchor bolt 340 is accommodated in the pipeline 350 and is fixed on lower surface 212 belows of anchor plate 210 and upper surface 311 tops of pylon substrate 310.Anchor bolt 340 comprises bottom anchor bolt outside thread 341 and comprises top anchor bolt outside thread 342 at the place, top of anchor bolt 340 at the place, bottom of anchor bolt 340.
Anchor bolt outside thread 341 internal threads with first nut 220 in bottom are screwed in.The top of anchor bolt 340 is outstanding from the upper surface 311 of pylon substrate 310, and its middle and upper part anchor bolt outside thread 342 internal threads with second nut 320 are screwed in.Second packing ring 330 is arranged between the upper surface 311 of second nut 320 and pylon substrate 310.
According to the embodiment of Fig. 3, first packing ring 230 is arranged between the lower surface 212 and first nut 220 of anchor plate element 215.According to this embodiment, first packing ring 230 is spot-welded to lower surface 212 and first nut 220 is spot-welded to first packing ring 230.According to another embodiment, being rigidly connected between the anchor plate element 215 and first nut 220 mechanically set up.
According to also having another embodiment, first nut 220 is apart from anchor plate element 215 closed-end far away.Therefore, can avoid concrete to flow in first nut 220 and can not damage being connected between anchor bolt 340 and first nut 220.
Concrete promptly better in order to provide first nut 220 to arrive, and therefore loose with the commentaries on classics of anchor bolt 340 for fear of first nut 220, and 220 places provide moment of torsion parts 221 at nut.Moment of torsion parts 221 are suitable in concrete, supporting nut.If it is loosening that bolt 340 connects with spiral between the nut 220, moment of torsion parts 221 absorb the moment of torsion that is applied also provides enough reaction torques that nut 220 is held in place.Therefore, can bolt 340 be backed out from nut 220, even the continuous damage between nut 220 and the lower surface 212.
In one embodiment, moment of torsion parts 221 are for having the sheet metal of the thickness substantially the same with the wall of nut.Nut is located to be fixed in the protruding cap portion (usually on its summit) of nut in the center region of moment of torsion parts 221.According to another embodiment, the moment of torsion parts are the plate of being located at the cylindrical outer surface place of nut and extending along the axial direction of nut substantially.The additional embodiments that also has of moment of torsion parts 221 has been described with reference to figure 6 and Fig. 7 below.
Fig. 4 and Fig. 5 show the top view of anchor plate element 215.Fig. 4 shows the anchor plate element 215 that span is 1/9th a circle section shape of 40 degree or wholecircle.Therefore, nine anchor plate elements 215 that are similar to anchor plate element 215 depicted in figure 4 can be used to form complete circle,, form anchor plate 210 that is.Usually, through with anchor plate element 215 each other spot welding assemble this nine anchor plate elements 215.
The anchor plate element 215 of Fig. 4 has two holes 213 of working.According to an exemplary embodiments, for independent row, the quantity of the through hole 213 in the complete circle is 54 or 62.Therefore, the anchor plate element 215 of Fig. 4 only comprises 1/9th, that is, and and six through holes in every row.Should be appreciated that these quantity are example and in a practical embodiment of the invention can be more or less.
Fig. 5 shows the anchor plate element 215 of the shape (that is, crossing over 360 degree) with complete circle.As illustrated, comprise 54 through holes according to this embodiment's every capable anchor plate, thereby obtain for whole anchor plate element 108 through holes altogether with reference to figure 4.
Fig. 6 and Fig. 7 show an embodiment's of moment of torsion parts 221 different views.Fig. 6 shows the side cross-sectional view of first nut 220 that has moment of torsion parts 221.Fig. 7 shows the top view of identical first nut 220 depicted in figure 6.Moment of torsion parts 221 are the upwardly extending wing sheet metal in the side of the longitudinal axis that is parallel to nut 220 substantially.Therefore, be screwed in nut 220 or when nut 220 was backed out, wing moment of torsion parts 221 were applied to any moment of torsion on the nut 220 with opposing when anchor bolt 340.
Fig. 8 to Figure 10 shows the different implementations of nut 220.In the embodiment shown in Fig. 8 to Figure 10, the bottom anchor bolt outside thread 341 of anchor bolt 340 forms spiral with the internal thread of nut 220 (not shown in Fig. 8 to Figure 10) and connects.In addition, in the embodiment shown in Fig. 8 to Figure 10, first nut 220 non-releasably is connected to the lower surface 212 of anchor plate 215.
Fig. 8 shows the bottom of anchoring element 200, and wherein, first nut 220 is spot welded to the lower surface 212 of anchor plate parts 215 around the edge of first through hole 213.
Fig. 9 shows the different embodiments of first nut 220, and wherein first nut 220 comprises packing ring, and this packing ring and first nut 220 integrally form.According to this embodiment, first nut 220 is spot welded to the lower surface 212 of anchor plate parts 215 around the edge of first through hole 213.
Figure 10 shows another embodiment that also has of anchor plate parts 215, and wherein first nut 220 integrally forms with the lower surface 212 of anchor plate element 215.Owing to omitted welding, improved the long time stability of first nut 220 to the connection of anchor plate parts 215.
Figure 11 shows the method 400 that is used to replace anchor bolt.After this method begins, in first square frame 405, judge whether to have the anchor bolt that destroys or damage.Under the situation of the anchor bolt that does not have to destroy or damage, this method stops.Under the situation of the anchor bolt with at least one destruction or damage 340, this method proceeds to 410.
In next square frame 410, make second nut 320 (it is being connected between the upper surface 311 of anchor bolt 340 and pylon substrate 310 fixedly) loosening and remove.In this case, pylon substrate 310 is considered to the part of wind turbine tower base element 300.
In next square frame 415; Through being backed out from first nut 220, anchor bolt 340 removes anchor bolt 340; First nut 220 is connected to anchor plate element 215, and anchor bolt 340 is guided from the pipeline 350 that extends between anchor plate element 215 and the pylon substrate 310.
In next square frame 420, the replacing anchor bolt is inserted in the pipeline 350 and is fixed to first nut 220 with tightening.
In the square frame 425,430 and 435 of back, second nut 320 is being tightened on the upper surface 311 of pylon substrate 310 on the replacing anchor bolt 340.
For this reason, in square frame 425, change anchor bolt 340 and be drawn in the direction on the surface that is orthogonal to pylon substrate 310, thereby make and between said second nut 320 and pylon substrate 310, form the gap, thereby to anchor bolt prestressing.
In next square frame 435, make the gap disappear thereby tighten second nut 320.In the square frame 440 of back, discharge pulling force and make anchor bolt 340 press to pylon substrate 310.This makes to be tightened on second nut 320 and changes on the anchor bolt 340 and make bolt 340 by prestressing.According to some embodiment, second nut, 320 predetermined moments of torsion capable of using are tightened in to be changed on the anchor bolt 340.
In next square frame 440, judge whether still have the anchor bolt 340 that destroys or damage.Under the situation of the anchor bolt that still has at least one destruction or damage 340, this method is got back to step 410.Under the situation of the anchor bolt 340 that does not have to destroy or damage, this method stops.Perhaps, this method can be after square frame 435, and (that is after, having changed single anchor bolt) stops.
The exemplary embodiment that has described anchoring element above in detail and be used to change the method for anchor bolt.Anchoring element is not limited to specific embodiment as herein described with the method that is used to change anchor bolt, and on the contrary, the parts of element and/or the step of method can be independent of or utilize in other parts as herein described and/or step separately.For example, anchoring element also can be used for tripod or bridge tower, and is not limited to as described hereinly only put into practice about the wind turbine system.On the contrary, exemplary embodiment can combine many other application and implement and utilize.
Although various embodiments' of the present invention special characteristic possibly illustrate and not shown in other accompanying drawing in some drawings, this only is for ease.According to principle of the present invention, any characteristic of accompanying drawing can combine any characteristic of any other accompanying drawing to come reference and/or require protection.
This written description comes openly to comprise the present invention of optimal mode with example, and makes those skilled in the art can embodiment of the present invention, comprises making and using any device or system and carry out any method that is included.Though in preamble, disclose many specific embodiments, those skilled in the art will recognize that the spirit of claim and scope allow equal effectively modification.Especially, but above said embodiment's the characteristic combination with one another of mutual non-exclusionism.Patentable scope of the present invention is limited accompanying claims, and can comprise other example that those skilled in the art expect.If the literal language that this other example has with accompanying claims does not have the various structure element; If perhaps they comprise the equivalent structure element that does not have essential difference with the literal language of accompanying claims, then this other example intention within the scope of the appended claims.
Claims (10)
1. anchoring element (200) that is used for pylon comprising:
Anchor plate element (215), said anchor plate element (215) comprise upper surface (211), lower surface (212), and at least one first through hole (213) that between said upper surface (211) and said lower surface (212), extends; And
At least one has first nut (220) of box thread; Said at least one first nut (220) is located to be arranged on said at least one first through hole (213) at the said lower surface (212) of said anchor plate element (215) thereby is located to cover said at least one first through hole (213)
Wherein, said at least one first nut (220) non-releasably is connected to the said lower surface (212) of said anchor plate element (215).
2. anchoring element according to claim 1 is characterized in that,
Section or sealing ring are enclosed in being shaped as of said anchor plate element (215).
3. anchoring element according to claim 1 and 2 is characterized in that,
Said at least one first nut (220) is a nut.
4. anchoring element according to claim 3; It is characterized in that; Said nut (220) also comprises moment of torsion parts (221), and said moment of torsion parts (221) are suitable for when said anchoring element (200) embeds in the tower base (150), said nut (220) being anchored in the concrete.
5. anchoring element according to claim 4 is characterized in that,
The cap portion of said nut (220) has convex shape and said moment of torsion parts (221) and comprises with tangent plate of the said cap portion of said nut (220) and/or said moment of torsion parts (221) and comprise the outer surface that is attached to said nut (220) and the plate that extends along the axial direction of said nut (220) at least in part.
6. according to each described anchoring element in the aforementioned claim, it is characterized in that said at least one first nut (220) integrally forms with the said lower surface (212) of said anchor plate element (215).
7. according to each described anchoring element in the aforementioned claim, it is characterized in that,
At least one first packing ring (230) is located between the said lower surface (212) and said at least one first nut (220) of said anchor plate element (215), and said at least one first packing ring non-releasably is connected on the said lower surface (212) and said at least one first nut (220) of said anchor plate element (215).
8. according to each described anchoring element in the aforementioned claim, it is characterized in that, also comprise:
Pylon substrate (310); Said pylon substrate (310) is located at said anchoring element (200) top, and said pylon substrate (310) has at least one second through hole (313) of upper surface (311), lower surface (312) and extension between the said lower surface (312) of the said upper surface (311) of said pylon substrate (310) and said pylon substrate (310);
At least one pipeline (350), said at least one pipeline (350) extends between the said upper surface (211) of the said lower surface (312) of said pylon substrate (310) and said anchor plate element (215); And
At least one anchor bolt (340); Said at least one anchor bolt (340) is accommodated in said at least one pipeline (350); The bottom (341) of said at least one anchor bolt (340) is fixed to the said box thread of said at least one first nut (220) with being tightened, and the top (342) of said at least one anchor bolt (340) is given prominence to and is fixed on second nut (320) of the said upper surface (311) of being located at said pylon substrate (310) from the said upper surface (311) of said pylon substrate (310).
9. wind turbine comprises:
Pylon (12), said pylon (12) has the bottom;
Pedestal (150), said pedestal (150) has upper surface, and the said bottom of said pylon is positioned on the said upper surface;
And, according to each described anchoring element that is used for the said bottom of said pylon is connected to said pedestal in the aforementioned claim.
10. method that is used to replace the anchor bolt of wind turbine comprises:
Become flexible and remove the upper cap nut at anchoring members place,
Bottom through back out said anchor bolt from the lower nut that non-releasably is connected to down anchoring members removes said anchor bolt, and said anchor bolt is pulled out from the pipeline that extends down between anchoring members and the last anchoring members,
To change anchor bolt and insert in the said pipeline, and the bottom of said replacing anchor bolt will be screwed in said lower nut,
Through tighten at place, the top of said replacing anchor bolt said upper cap nut form said on being rigidly connected between anchoring members and the said time anchoring members.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/856,024 US20110138706A1 (en) | 2010-08-13 | 2010-08-13 | Wind turbine anchor element |
| US12/856024 | 2010-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374138A true CN102374138A (en) | 2012-03-14 |
Family
ID=44141351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102381767A Pending CN102374138A (en) | 2010-08-13 | 2011-08-12 | Wind turbine anchor element |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110138706A1 (en) |
| CN (1) | CN102374138A (en) |
| DE (1) | DE102011052610A1 (en) |
| DK (1) | DK201170427A (en) |
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| CN103423278A (en) * | 2012-05-22 | 2013-12-04 | 西门子公司 | An aligning tool in the field of wind turbines for aligning a hole with a fastener |
| CN107664100A (en) * | 2016-07-27 | 2018-02-06 | 西门子公司 | Bolt connecting device for the pylon of wind turbine |
| WO2018086022A1 (en) * | 2016-11-10 | 2018-05-17 | General Electric Company | Methods and apparatus for refurbishing wind turbine foundations |
| CN110318952A (en) * | 2019-07-03 | 2019-10-11 | 合肥天沃能源科技有限公司 | A kind of dismountable wind power plant of pedestal |
| CN112664034A (en) * | 2020-12-10 | 2021-04-16 | 上海市机械施工集团有限公司 | Integral installation method of wind power generation tower |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1866484A1 (en) * | 2005-03-16 | 2007-12-19 | Densit A/S | Tower foundation system and method for providing such system |
| ES2378199B1 (en) * | 2009-06-24 | 2013-06-05 | Acciona Windpower S.A. | SYSTEM OF UNION OF A GONDOLA WITH THE TOWER OF CONCRETE OF AN AEROGENERATOR. |
| US20110131899A1 (en) * | 2010-04-30 | 2011-06-09 | Stefan Voss | Apparatus and method for producing a concrete foundation |
| FI125153B (en) * | 2010-09-16 | 2015-06-15 | Peikko Group Oy | Method and apparatus for attaching a tower structure to a foundation |
| FI123034B (en) * | 2010-11-12 | 2012-10-15 | Moldtech Oy | Rack Mounting Arrangement |
| CN102095052B (en) * | 2010-11-25 | 2013-06-12 | 华锐风电科技(集团)股份有限公司 | Installing method of foundation bolt anchoring system and method for installing industrial equipment |
| US8443557B2 (en) * | 2011-09-16 | 2013-05-21 | General Electric Company | Tower base section of a wind turbine, a wind turbine and a system for mounting a tower |
| WO2013156632A1 (en) * | 2012-02-28 | 2013-10-24 | Ms Enertech, S.L. | Connection between a wind turbine tower and its foundation |
| DE102015216444A1 (en) * | 2015-08-27 | 2017-03-02 | Wobben Properties Gmbh | Wind turbine |
| WO2017133744A1 (en) * | 2016-02-05 | 2017-08-10 | Vestas Wind Systems A/S | Method of replacing anchor bolts in wind turbine foundations |
| CN107023028B (en) * | 2017-04-06 | 2019-02-15 | 濮阳市盛源能源科技股份有限公司 | A kind of positioning construction method of chemical tower foundation built-in bolt |
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| CN111852791B (en) * | 2020-07-30 | 2022-06-03 | 国电龙源江永风力发电有限公司 | Fracture positioning early warning method for flange connecting bolt of wind generating set |
| US11293407B1 (en) * | 2020-10-26 | 2022-04-05 | Dongyuan Wang | Circular can-shape foundation and construction method for onshore wind turbines |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7002316U (en) * | 1970-01-23 | 1970-06-25 | Esser Kg Klaus | ROOF LIGHT. |
| JPS5642518U (en) * | 1979-09-10 | 1981-04-18 | ||
| US5474409A (en) * | 1992-07-13 | 1995-12-12 | Terry; Sydney L. | Fastener assembly |
| US5431518A (en) * | 1993-10-29 | 1995-07-11 | Young; Donald M. | Polymeric combination washer and nut |
| US5590992A (en) * | 1995-03-08 | 1997-01-07 | Aluminum Company Of America | Cover for a bolt and nut |
| US5881540A (en) * | 1996-01-29 | 1999-03-16 | Mtd Products Inc. | Mounting member for mower blade spindle |
| US6808350B1 (en) * | 2003-01-27 | 2004-10-26 | Norman L. Tooman | Anchor bolt cap and method of use |
| US7665941B2 (en) * | 2005-07-27 | 2010-02-23 | The Dyson Corporation | Method and structure for an anchor rod cap |
| US8051627B2 (en) * | 2006-04-30 | 2011-11-08 | General Electric Company | Tower adapter, method of producing a tower foundation and tower foundation |
| EP2192245B1 (en) * | 2008-11-27 | 2012-05-30 | Vestas Wind Systems A/S | Tower for a wind turbine and a method for assembling the tower |
| US8087898B2 (en) * | 2009-12-15 | 2012-01-03 | General Electric Company | Stress relief flange and method for distributing stress for wind turbine components |
| US8915043B2 (en) * | 2011-05-25 | 2014-12-23 | General Electric Company | Bolt connection for a wind tower lattice structure |
-
2010
- 2010-08-13 US US12/856,024 patent/US20110138706A1/en not_active Abandoned
-
2011
- 2011-08-03 DK DKPA201170427A patent/DK201170427A/en not_active Application Discontinuation
- 2011-08-11 DE DE102011052610A patent/DE102011052610A1/en not_active Withdrawn
- 2011-08-12 CN CN2011102381767A patent/CN102374138A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103423278A (en) * | 2012-05-22 | 2013-12-04 | 西门子公司 | An aligning tool in the field of wind turbines for aligning a hole with a fastener |
| US9579757B2 (en) | 2012-05-22 | 2017-02-28 | Siemens Aktiengesellschaft | Aligning tool in the field of wind turbines for aligning a hole with a fastener |
| CN103423278B (en) * | 2012-05-22 | 2017-03-08 | 西门子公司 | Field of wind turbines for alignment tool that hole is alignd with securing member |
| CN107664100A (en) * | 2016-07-27 | 2018-02-06 | 西门子公司 | Bolt connecting device for the pylon of wind turbine |
| CN107664100B (en) * | 2016-07-27 | 2020-03-20 | 西门子歌美飒可再生能源公司 | Bolt connection for a tower of a wind turbine |
| WO2018086022A1 (en) * | 2016-11-10 | 2018-05-17 | General Electric Company | Methods and apparatus for refurbishing wind turbine foundations |
| US10815969B2 (en) | 2016-11-10 | 2020-10-27 | General Electric Company | Methods and apparatus for refurbishing wind turbine foundations |
| CN110318952A (en) * | 2019-07-03 | 2019-10-11 | 合肥天沃能源科技有限公司 | A kind of dismountable wind power plant of pedestal |
| CN112664034A (en) * | 2020-12-10 | 2021-04-16 | 上海市机械施工集团有限公司 | Integral installation method of wind power generation tower |
Also Published As
| Publication number | Publication date |
|---|---|
| DK201170427A (en) | 2012-02-14 |
| DE102011052610A1 (en) | 2012-02-16 |
| US20110138706A1 (en) | 2011-06-16 |
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Application publication date: 20120314 |