CN109056780A - High-performance corrosion-resistant prestressed high-strength anchor bolt - Google Patents
High-performance corrosion-resistant prestressed high-strength anchor bolt Download PDFInfo
- Publication number
- CN109056780A CN109056780A CN201810997366.9A CN201810997366A CN109056780A CN 109056780 A CN109056780 A CN 109056780A CN 201810997366 A CN201810997366 A CN 201810997366A CN 109056780 A CN109056780 A CN 109056780A
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- China
- Prior art keywords
- anchor bolt
- corrosion
- light bar
- strength
- segment
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- 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.)
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Classifications
-
- 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
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
-
- 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
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a kind of high-performance corrosion-resistant prestressed high-strength anchor bolts, including the long thread segment of anchor bolt, anchor bolt light bar segment, anchor bolt short thread segments；The long thread segment outer surface of the anchor bolt is coated with anti-corrosion grease coating；The anchor bolt light bar segment and anchor bolt short thread segments outer surface are coated with zinc-chromium coating；It is cased with double-walled heat-shrink tube containing glue in the anchor bolt light bar segment, is coated with anti-corrosion grease coating in the double-walled tube outer surface of pyrocondensation containing glue, single layer dielectrics heat-shrink tube is cased on the anti-corrosion grease coating, anchor bolt light bar segment both ends are locked by the double-walled pyrocondensation of heat-shrink tube containing glue.The present invention provides a kind of antiseptic property height, replaceable, substantially reduces cost, improves service life；Elongation when high-strength anchor bolt tensioning is adapted to simultaneously, and improves the overall security of wind power generating set and a kind of high-performance corrosion-resistant prestressed high-strength anchor bolt of useful life longevity.
Description
Technical field
The present invention relates to wind turbine tower technical field more particularly to a kind of high-performance corrosion-resistant prestressed high-strength anchors
Bolt.
Background technique
There are many blower foundations and tower type of attachment that China applies at present, most representative for basic ring and anchor cage ring
Basis.Since base flexible problem occurs successively after many years use in basic loop type basis, so gradually using anchor cage at present
Ring group plinth replaces basic loop type basis.The technical characterstic on anchor cage ring basis, passes through anchor bolts between blower fan pylon and basis；
By applying prestressing force to anchor bolt, to realize fixation of the pylon on foundation ring；Due to the lower end of anchor bolt and the bottom on basis
It is fixed, therefore entire soil rigidity is consistent, there is no mutation, reasonable stress.Anchor cage ring basis tool is compared with traditional foundation ring
Have the advantage that bending resistance, shear resistance are strong；Buried depth is shallower, and excavated-in t4 is smaller；Soil rigidity is big, and mechanical model is simple, structure peace
Quan Xinggao；To the applied widely of foundation soil；Compared with foundation ring, basis and superstructure good integrity.
Important composition component of the prestressed high-strength anchor bolt as anchor cage ring basis runs through entire height of foundation, as wind-force
One of generating set tower barrel base structural connection, prestressed high-strength anchor bolt will bear thrust, the torsion that wind-force acts on impeller
Square, moment of flexure, motor oscillating and because of stress variation etc. caused by geological conditions.In order to guarantee not influenced prestressed high-strength anchor bolt
The mechanical property having, while meeting and being chronically at prestressing force height in the environment such as concrete, salt affected soil, humidity, marsh, seawater
The antiseptic property of strong anchor bolt and the replaceable requirement of high strength anchor bar, the anchor bolt antiseptic property of the prior art is general, once damage or old
Change can not be replaced, and significant wastage is caused.
Chinese Patent Application No. is 201520533239.5, the applying date: on 07 21st, 2015, publication date: 2015 12
The moon 23, patent name is: the high pre-loaded support struts anchor bolt of antiseptic property, it is high which discloses a kind of antiseptic property
Wind power foundation prestressed bolt, it includes anchor bolt threaded upper ends section (1), the anchor bolt light being connected with anchor bolt threaded upper ends section (1)
Rod segment (2), the anchor bolt lower thread section (3) being connected with anchor bolt light bar segment (2)；Anchor bolt threaded upper ends section (1), anchor bolt light bar segment
(2) and the outer surface of anchor bolt lower thread section (3) is coated with zinc-chromium coating, and anti-corrosion grease coating is coated on zinc-chromium coating.Anchor bolt light
Rod segment (2) outer surface is cased with grease band (4), is cased with anchor bolt casing (5) outside grease band (4)；Anchor bolt threaded upper ends section (1) outer surface
It is cased with anchor bolt protective case (6), fills antiseptic oil in anchor bolt protective case.The structure design of the utility model is reasonable, especially anticorrosion
Performance is strong, long service life, and wind power tower prestressing force basis can be made to be suitble to complex environment, especially offshore wind farm project, can be mentioned
The safety on high blower fan pylon basis and durability, have wide range of applications.
Although above patent document discloses a kind of pre-loaded support struts anchor bolt that antiseptic property is high, the pre-loaded support struts anchor bolt
Antiseptic property is general, and once damage or aging can not be replaced, and cause significant wastage.
Summary of the invention
In view of this, the present invention provides a kind of antiseptic property height, and it is replaceable, cost is substantially reduced, is improved service life；Together
It is extended when Shi Shiying high-strength anchor bolt tensioning, and improves the overall security of wind power generating set and one kind of useful life longevity
High-performance corrosion-resistant prestressed high-strength anchor bolt.
In order to achieve the object of the present invention, following technical scheme can be taken:
A kind of high-performance corrosion-resistant prestressed high-strength anchor bolt, including the long thread segment of anchor bolt, anchor bolt light bar segment, anchor bolt short thread
Section；The long thread segment outer surface of the anchor bolt is coated with anti-corrosion grease coating；The anchor bolt light bar segment and anchor bolt short thread segments outer surface
It is coated with zinc-chromium coating；It is cased with double-walled heat-shrink tube containing glue in the anchor bolt light bar segment, is applied in the double-walled tube outer surface of pyrocondensation containing glue
There is anti-corrosion grease coating, single layer dielectrics heat-shrink tube is cased on the anti-corrosion grease coating, anchor bolt light bar segment both ends are contained by double-walled
Glue heat-shrink tube pyrocondensation locking.
The thickness of the zinc-chromium coating is greater than 10um.
There is anti-corrosion greasy gauze on the anti-corrosion grease coating of the long thread segment of the anchor bolt.
There is rubber bolt protection case on the anti-corrosion greasy gauze.
The single layer dielectrics heat-shrink tube is PE pipe or is PEC pipe.
The anchor bolt short thread segments tail end is connected with closure nut.
There is anti-corrosion grease coating between the anchor bolt short thread segments and closure nut.
The beneficial effects of the present invention are: 1) present invention is by being cased with double-walled heat-shrink tube containing glue in anchor bolt light bar segment, in this pair
The wall tube outer surface of pyrocondensation containing glue is coated with anti-corrosion grease coating, is cased with single layer dielectrics heat-shrink tube on the anti-corrosion grease coating and greatly mentions
High antiseptic property, extends service life；2) present invention is connected with closure nut in anchor bolt short thread segments tail end, can replace
The anchor bolt of aging or damage, uses and repairs more convenient, greatly reduces cost；3) present invention is for coastal and marine humidity
The Wind Power Project of weather improves safety and the durability of blower unit；Prestressed anchor cage ring basis is set to be applicable in simultaneously
In more complex environments.
Detailed description of the invention
Fig. 1 is high-performance of embodiment of the present invention corrosion-resistant prestressed high-strength anchor bolt structural schematic diagram；
Fig. 2 is another embodiment of the present invention high-performance corrosion-resistant prestressed high-strength anchor bolt structural schematic diagram.
Specific embodiment
With reference to the accompanying drawing and the embodiment of the present invention is described in further detail invention.
Embodiment 1
Referring to Fig. 1, Fig. 2, the high-performance corrosion-resistant prestressed high-strength anchor bolt, including the long thread segment 1 of anchor bolt, anchor bolt light bar segment
2, anchor bolt short thread segments 3；Long 1 outer surface of thread segment of the anchor bolt is coated with anti-corrosion grease coating 9；The anchor bolt light bar segment 2 and anchor
3 outer surface of bolt short thread segments is coated with zinc-chromium coating；Double-walled heat-shrink tube containing glue 7 is cased in the anchor bolt light bar segment 2, in the double-walled
7 outer surface of heat-shrink tube containing glue is coated with anti-corrosion grease coating (not shown), is cased with single layer dielectrics heat-shrink tube on the anti-corrosion grease coating
6,2 both ends of anchor bolt light bar segment are locked by 7 pyrocondensation of double-walled heat-shrink tube containing glue.
Preferably, the thickness of the zinc-chromium coating is greater than 10um, greatly strengthens antiseptic property.
Preferably, the single layer dielectrics heat-shrink tube 6 is PE pipe or is PEC pipe.
Embodiment 2
Referring to Fig. 1, Fig. 2, with above-described embodiment the difference is that, the anti-corrosion grease of the long thread segment 1 of the anchor bolt
There is anti-corrosion greasy gauze (not shown) on coating 9；There is rubber bolt protection case 4 on the anti-corrosion greasy gauze.
There is anti-corrosion greasy gauze on the long thread segment 1 of the anchor bolt, and is equipped with rubber bolt on the anti-corrosion greasy gauze and protects
Sheath 4 plays wear-resistant, scratch resistance, high-low temperature resistant, dust-proof, waterproof protective effect.
Embodiment 3
Referring to Fig. 1, Fig. 2, the difference is that, 3 tail end of anchor bolt short thread segments is connected with envelope with above-described embodiment
Head nut 5.There is anti-corrosion grease coating 10 between the anchor bolt short thread segments 3 and the closure nut 5.
It is when the present invention is changed or damaged always, as long as dismantling the closure nut 5 is convenient for changing the anchor bolt, just
In maintenance and replacement, maintenance and replacement cost are greatly reduced.
The present invention in use, the anchor bolt is placed in the PVC protection sleeve pipe put well in advance between flange (not shown),
The long thread segment 1 of the anchor bolt is installed nut 8 and is screwed in the counterbore of upper flange upper surface；The dedicated end socket that anchor bolt short thread segments 3 are installed
Nut 5 is inserted into the counterbore of lower flange lower surface, guarantees that high-performance anti-corrosion prestressed high-strength anchor bolt is disposed vertically and upper lower flange
In corresponding aperture.
The prestressed high-strength anchor bolt entirety outer surface is coated with zinc-chromium coating by the present invention, it is ensured that prestressed high-strength anchor
Bolt is in the anti-corrosion ability in complex environment, while in anchor bolt polished rod 2 (section containing partial threads) 7 heat of double-walled heat-shrink tube containing glue
Contracting, the hose lining of the double-walled heat-shrink tube containing glue 7 are greatly improved anti-corrosion effect in conjunction with anchor bolt.The double-walled heat-shrink tube containing glue 7
Special anti-corrosion grease coating is uniformly smeared in outer surface, and the anti-corrosion grease coating housing single layer dielectrics heat-shrink tube 6 ensures that anti-corrosion is imitated
Fruit, while also adapting to extend when anchor bolt tensioning.The anchor bolt both ends thread segment is uniformly smeared special anti-rust oil rouge and is installed additional when factory
Protecting sleeve for thread carries out effective protection to thread segment.Along with painting special anti-corrosion grease on the long thread segment 1 of the anchor bolt, and outside
Surface covers special (purpose) rubber bolt protection case 4, infuses special anti-corrosion grease in the protective case 4.Make the anchor bolt metal surface and extraneous ring
Border effectively completely cuts off, and substantially increases anti-corrosion ability.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
1. a kind of high-performance corrosion-resistant prestressed high-strength anchor bolt, including the long thread segment of anchor bolt (1), anchor bolt light bar segment (2), anchor bolt are short
Thread segment (3)；The long thread segment of the anchor bolt (1) outer surface is coated with anti-corrosion grease coating (9)；The anchor bolt light bar segment (2) and anchor
Bolt short thread segments (3) outer surface is coated with zinc-chromium coating；It is characterized by: being cased with double-walled in the anchor bolt light bar segment (2) containing glue
Heat-shrink tube (7) is coated with anti-corrosion grease coating in double-walled heat-shrink tube containing glue (7) outer surface, is cased with list on the anti-corrosion grease coating
Layer isolating shrinkable tube (6), anchor bolt light bar segment (2) both ends are locked by (7) pyrocondensation of double-walled heat-shrink tube containing glue.
2. high-performance corrosion-resistant prestressed high-strength anchor bolt according to claim 1, it is characterised in that: the zinc-chromium coating
Thickness is greater than 10um.
3. high-performance corrosion-resistant prestressed high-strength anchor bolt according to claim 1, it is characterised in that: the long spiral shell of the anchor bolt
There is anti-corrosion greasy gauze on the anti-corrosion grease coating (9) of line section (1).
4. high-performance corrosion-resistant prestressed high-strength anchor bolt according to claim 3, it is characterised in that: the anti-corrosion grease yarn
There are rubber bolt protection case (4) on cloth.
5. high-performance corrosion-resistant prestressed high-strength anchor bolt according to claim 1, it is characterised in that: the single layer dielectrics heat
The draw (6) is PE pipe or is PEC pipe.
6. high-performance corrosion-resistant prestressed high-strength anchor bolt according to claim 1, it is characterised in that: the anchor bolt short thread
Section (3) tail end is connected with closure nut (5).
7. high-performance corrosion-resistant prestressed high-strength anchor bolt according to claim 6, it is characterised in that: the anchor bolt short thread
There are anti-corrosion grease coating (10) between section (3) and closure nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997366.9A CN109056780A (en) | 2018-08-29 | 2018-08-29 | High-performance corrosion-resistant prestressed high-strength anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997366.9A CN109056780A (en) | 2018-08-29 | 2018-08-29 | High-performance corrosion-resistant prestressed high-strength anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056780A true CN109056780A (en) | 2018-12-21 |
Family
ID=64757870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810997366.9A Pending CN109056780A (en) | 2018-08-29 | 2018-08-29 | High-performance corrosion-resistant prestressed high-strength anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109056780A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124983A (en) * | 1976-12-27 | 1978-11-14 | Schnabel Foundation Company | Corrosion protected earth tieback |
| CN103696448A (en) * | 2013-12-17 | 2014-04-02 | 北京金风科创风电设备有限公司 | Anti-corrosion structure and anti-corrosion method of fan foundation prestressed component and fan foundation |
| CN203807944U (en) * | 2014-04-01 | 2014-09-03 | 柳州豪姆机械有限公司 | Finished cable allowing replacement of single steel strand |
| CN204898665U (en) * | 2015-07-21 | 2015-12-23 | 江苏金海新能源科技有限公司 | Prestressing force that non -corrosibility ability is high supports crab -bolt |
| CN206128107U (en) * | 2016-10-11 | 2017-04-26 | 北京健安诚岩土工程有限公司 | Crab -bolt subassembly |
| CN209293057U (en) * | 2018-08-29 | 2019-08-23 | 健安诚（内蒙古）新能源科技有限公司 | A kind of high-performance corrosion-resistant prestressed high-strength anchor bolt |
-
2018
- 2018-08-29 CN CN201810997366.9A patent/CN109056780A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124983A (en) * | 1976-12-27 | 1978-11-14 | Schnabel Foundation Company | Corrosion protected earth tieback |
| CN103696448A (en) * | 2013-12-17 | 2014-04-02 | 北京金风科创风电设备有限公司 | Anti-corrosion structure and anti-corrosion method of fan foundation prestressed component and fan foundation |
| CN203807944U (en) * | 2014-04-01 | 2014-09-03 | 柳州豪姆机械有限公司 | Finished cable allowing replacement of single steel strand |
| CN204898665U (en) * | 2015-07-21 | 2015-12-23 | 江苏金海新能源科技有限公司 | Prestressing force that non -corrosibility ability is high supports crab -bolt |
| CN206128107U (en) * | 2016-10-11 | 2017-04-26 | 北京健安诚岩土工程有限公司 | Crab -bolt subassembly |
| CN209293057U (en) * | 2018-08-29 | 2019-08-23 | 健安诚（内蒙古）新能源科技有限公司 | A kind of high-performance corrosion-resistant prestressed high-strength anchor bolt |
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