CN106522264A - Replaceable high-strength prestress screw assembly - Google Patents
Replaceable high-strength prestress screw assembly Download PDFInfo
- Publication number
- CN106522264A CN106522264A CN201611218877.3A CN201611218877A CN106522264A CN 106522264 A CN106522264 A CN 106522264A CN 201611218877 A CN201611218877 A CN 201611218877A CN 106522264 A CN106522264 A CN 106522264A
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- CN
- China
- Prior art keywords
- screw
- screw rod
- arbor assembly
- replaceable high
- strength prestress
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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
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- 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
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a replaceable high-strength prestress screw assembly. The replaceable high-strength prestress screw assembly comprises a screw, the portion, close to the lower, of the screw and the portion, close to the upper, of the screw are each provided with a thread portion, a fastening nut is arranged on the thread portion close to the upper end, an anchor plate ring is arranged on the thread portion close to the lower end, a hexagonal head is arranged at the upper end of the screw, a conical head or a circular truncated cone head is arranged at the lower end of the screw, a T-shaped thread or smooth wall is arranged on the hole inner wall of the anchor plate ring, the inclination of the side wall of the conical head or circular truncated cone head of the lower end of the screw is larger than or equal to 30 degrees, the opposite corner length of the hexagonal head at the upper end of the screw is smaller than the diameter of the screw by 3 mm to 5 mm, one set of opposite sides of the hexagonal head are provided with a through hole, and a transition belt of 40 mm to 50 mm is arranged between each thread portion and the middle of the screw, the surface of the screw is coated with anti-corrosion grease, and the middle of the screw is sleeved with a PE tube; the two ends of the screw are sleeved with PVC protection sleeve caps; the beneficial effects of being high in strength, not prone to breakage, good in toughness elasticity, convenient to replace and the like are achieved, the assembly is suitable for all draught fan base forms, and replacement under the conditions that an anchorage screw has the quality problem, the screw cannot be normally used, and the screw is not broken is met.
Description
Technical field
The present invention relates to a kind of anchorage screw of wind energy turbine set unit foundation, more particularly to it is a kind of replaceable high-strength
Degree prestressing force screw arbor assembly.
Background technology
External advanced technology is quoted in domestic blower foundation construction at present, and its basis steel is high-strength deformed steel bar rod；
Domestic to have used spiral for prestressed concrete when with external blower foundation advanced technology, this kind of product is a kind of
Hot rolling type carries discontinuous externally threaded straight steel bar, is adapted to used in concreting process, with the common structure of concrete
Into prestressed component；Spiral for prestressed concrete is suffered from the drawback that for blower foundation：
Though the 1, lever strength is high, material fragility is big, poor toughness, poor flexibility, fatigue life are low；
2nd, in blower foundation construction spiral for prestressed concrete using when be mounted in inside pvc pipe not with it is mixed
Solidifying native contact, applies tension force to every spiral of blower foundation after installation, as the fragility of spiral is big, is applying to open
Power rear thread reinforcing bar there occurs delayed fracture, and inconvenience displacement, and serious potential safety hazard is brought on fan basis.So that blower fan base
The advanced technology that plinth is built, stagnates due to not having to meet the high-strength deformed steel bar rod of use requirement.
The fatigue life that spiral for prestressed concrete is present in use is low, and fragility is big, poor toughness, elasticity
Difference, after stretching force the problems such as poor mechanical property, easy fracture,
The content of the invention
It is an object of the invention to provide a kind of high intensity, not easy fracture, toughness elasticity is good, the replaceable height of convenient displacement
Intensity prestressing force screw arbor assembly.
The purpose of the present invention is achieved through the following technical solutions：
The replaceable high-strength prestress screw arbor assembly of the present invention, including screw rod, position of the screw rod near lower end
Threaded portion is respectively equipped with the position near upper end, the threaded portion near upper end is provided with clamp nut, near the screw thread of lower end
Portion is provided with anchor slab ring, and the upper end of the screw rod is provided with six square toes, and the lower end of the screw rod is provided with nose cone or round platform head.
As seen from the above technical solution provided by the invention, replaceable high intensity provided in an embodiment of the present invention is pre-
Stress screw arbor assembly, with high intensity, not easy fracture, toughness elasticity are good, convenient the advantages of replace, it is adaptable to all blower foundations
Form, and meet anchorage screw occur quality problems can not normally use and it is unbroken in the case of displacement.
Description of the drawings
Fig. 1 is the structural representation of replaceable high-strength prestress screw arbor assembly provided in an embodiment of the present invention.
Fig. 2 is the cross-sectional view of anchorage screw in the embodiment of the present invention；
Fig. 3 is the termination schematic diagram of anchorage screw in the embodiment of the present invention；
Fig. 4 is the protection cap bag schematic diagram of anchorage screw in the embodiment of the present invention；
Fig. 5 is anchorage screw and anchor slab ring connection diagram in the embodiment of the present invention.
In figure：
1st, screw rod, 2, clamp nut, 3, PE pipes, 4, anchor slab ring.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Inventive embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to protection scope of the present invention.
The replaceable high-strength prestress screw arbor assembly of the present invention, its preferably specific embodiment is：
Including screw rod, the screw rod is respectively equipped with threaded portion near the position at the position and close upper end of lower end, near upper
The threaded portion at end is provided with clamp nut, and the threaded portion near lower end is provided with anchor slab ring, and the upper end of the screw rod is provided with six sides
Head, the lower end of the screw rod are provided with nose cone or round platform head.
The hole inwall of the anchor slab ring is provided with T-shaped screw thread, engages near the threaded portion of lower end with the screw rod, on anchor slab ring
The screw rod in portion is provided with thin nut.
The smooth no screw thread of hole wall of the anchor slab ring, and bore dia about screw rod 3mm, the screw rod on anchor slab ring top are provided with
Thin nut, the screw rod of anchor slab ring bottom are provided with high nut.
The inclination angle of the side wall of the nose cone or round platform head of the screw rod lower end is more than or equal to 30 °, and in screw rod under
Threaded portion at end in the range of 350mm sets T-shaped screw thread.
Little 3～the 5mm of the diagonal length screw diameter of six square toes of the screw rod upper end, at one group couple of six square toes
Side arranges a through hole, and through-hole diameter is 20mm, and lead to the hole site is away from screw rod end 28 to 32mm.
The diagonal structural texture of six square toes of the screw rod upper end can be mechanically connected with the body of rod as separate construction parts
Mode is combined.The diagonal structural texture of six square toes of the screw rod upper end also can be directly processed on body of rod top.
It is provided with the intermediate zone of 40-50mm in the middle part of the threaded portion and screw rod, the screw thread of intermediate zone is by rolling central diameter progressively mistake
Cross diameter of thread.
The screw surface smears anti-corrosion oils and fatss, and PE pipes are cased with the middle part of the screw rod, and the two ends of the screw rod are cased with PVC
Protection cap bag.
The screw rod adopts rapid thermal treatment, and firing rate is in 100 DEG C/more than s.
The replaceable high-strength prestress screw arbor assembly of the present invention, by screw rod one end port shape and other end structure
The improvement of appearance formula, changes prestress anchoraging screw rod processing and fabricating, in-site installation, displacement etc. in blower foundation practical application
Problem, the high-strength prestressed anchor screw rod that can be used to replace are succeeded in developing, and solve prestress anchoraging screw rod in blower fan base
The phenomenon of hardly possible is replaced in plinth practical application, construction period significantly shortens, and basic service life is extended.
The screw arbor assembly has high intensity, not easy fracture, and toughness elasticity is good, is conveniently applied to except foundation ring the advantages of displacement
Outer all blower foundation forms, and meet anchorage screw occur quality problems can not normally using and it is unbroken in the case of put
Change.
Specific embodiment：
As shown in Figures 1 to 5, including anchor slab ring, screw rod and screw rod two ends threaded portion etc..
The anchor slab ring has two kinds of forms, and one kind is provided with T-shaped screw thread for anchor slab ring screw hole inwall, with the T-shaped screw thread of screw rod
It coincide, used as the anchored end of screw rod, anchor slab ring upper screw can be fixed with thin nut, and bottom does not typically adopt nut to fix,
Using PVC protection cap bag sealing protections after installation；
Another kind of form anchor slab ring screw hole inwall does not set screw thread, and anchor slab ring upper screw can be fixed with thin nut, under
Portion is fixed with high nut, using PVC protection cap bag sealing protections after installation；
One end moulding of the threaded portion is：End screw rod is that circular cone or truncated cone-shaped, i.e. end are thinner than body of rod position, is inclined
Angle α is more than or equal to 30 °, and is T-shaped screw thread in the range of the 350mm of end, and is configured with PE protective case of the height for 160mm
Cap, after screw rod installation, sealing protection screw rod end prevents from contacting with concrete, and preservative treatment；
Other end moulding is：End is hexagon, diagonal length 3～5mm little compared with screw diameter, wherein one group of opposite side
One through hole is set, and through-hole diameter is 20mm, lead to the hole site is not more than 2mm away from screw rod end 30mm, position deviation.
Screw surface smears anti-corrosion oils and fatss, and screw rod is inserted in PE sleeve pipes, isolates with concrete.
The excessive place of the threaded portion and screw rod arranges the intermediate zone of 40-50mm, the screw thread of intermediate zone by Jing in rolling by
Step is transitioned into diameter of thread.
Screw rod Technology for Heating Processing is rapid thermal treatment：Firing rate reaches 100 DEG C/more than s.
The present invention solves the problems, such as that domestic blower foundation anchoring material displacement is difficult, effectively increases the use of blower foundation
Life-span.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (8)
1. a kind of replaceable high-strength prestress screw arbor assembly, it is characterised in that including screw rod, the screw rod is near lower end
The position of position and close upper end is respectively equipped with threaded portion, and the threaded portion near upper end is provided with clamp nut, near lower end
Threaded portion is provided with anchor slab ring, and the upper end of the screw rod is provided with six square toes, and the lower end of the screw rod is provided with nose cone or round platform head.
2. replaceable high-strength prestress screw arbor assembly according to claim 1, it is characterised in that the anchor slab ring
Hole inwall is provided with T-shaped screw thread, engages near the threaded portion of lower end with the screw rod, and the screw rod on anchor slab ring top is provided with thin spiral shell
It is female.
3. replaceable high-strength prestress screw arbor assembly according to claim 1, it is characterised in that the anchor slab ring
Hole inwall is light wall, and the screw rod on anchor slab ring top is provided with thin nut, and the screw rod of anchor slab ring bottom is provided with high nut.
4. replaceable high-strength prestress screw arbor assembly according to claim 1, it is characterised in that the screw rod lower end
Nose cone or the inclination angle of side wall of round platform head be more than or equal to 30 °, and the screw thread in screw rod in the range of 350mm at lower end
Portion sets T-shaped screw thread.
5. replaceable high-strength prestress screw arbor assembly according to claim 1, it is characterised in that the screw rod upper end
Six square toes the little 3～5mm of the diagonal length screw diameter, in one group of opposite side of six square toes, one through hole is set, through hole is straight
Footpath is 20mm, and lead to the hole site is away from screw rod end 28 to 32mm.
6. replaceable high-strength prestress screw arbor assembly according to claim 1, it is characterised in that the threaded portion with
The intermediate zone of 40-50mm is provided with the middle part of screw rod, the screw thread of intermediate zone is progressively transitioned into diameter of thread by central diameter is rolled.
7. the replaceable high-strength prestress screw arbor assembly according to any one of claim 1 to 6, it is characterised in that institute
State screw surface and smear anti-corrosion oils and fatss, in the middle part of the screw rod, be cased with PE pipes, the two ends of the screw rod are cased with PVC protection cap bags.
8. the replaceable high-strength prestress screw arbor assembly according to any one of claim 1 to 6, it is characterised in that institute
State screw rod and adopt rapid thermal treatment, firing rate is in 100 DEG C/more than s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218877.3A CN106522264A (en) | 2016-12-26 | 2016-12-26 | Replaceable high-strength prestress screw assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218877.3A CN106522264A (en) | 2016-12-26 | 2016-12-26 | Replaceable high-strength prestress screw assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522264A true CN106522264A (en) | 2017-03-22 |
Family
ID=58338184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611218877.3A Pending CN106522264A (en) | 2016-12-26 | 2016-12-26 | Replaceable high-strength prestress screw assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522264A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286142A (en) * | 1993-03-22 | 1994-02-15 | A. B. Chance Company | Reduced moment anchor hub |
| CN102535506A (en) * | 2012-01-20 | 2012-07-04 | 王海峰 | Stud support structure and forming method thereof |
| CN102829058A (en) * | 2012-09-11 | 2012-12-19 | 张月梅 | Self-sinking bolt locking device |
| CN203834507U (en) * | 2014-04-24 | 2014-09-17 | 中石化宁波工程有限公司 | Large tower locating device |
| 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 |
| CN206308704U (en) * | 2016-12-26 | 2017-07-07 | 惠宏工程技术（北京）有限公司 | A kind of replaceable high-strength prestress screw arbor assembly |
-
2016
- 2016-12-26 CN CN201611218877.3A patent/CN106522264A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286142A (en) * | 1993-03-22 | 1994-02-15 | A. B. Chance Company | Reduced moment anchor hub |
| CN102535506A (en) * | 2012-01-20 | 2012-07-04 | 王海峰 | Stud support structure and forming method thereof |
| CN102829058A (en) * | 2012-09-11 | 2012-12-19 | 张月梅 | Self-sinking bolt locking device |
| CN203834507U (en) * | 2014-04-24 | 2014-09-17 | 中石化宁波工程有限公司 | Large tower locating device |
| 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 |
| CN206308704U (en) * | 2016-12-26 | 2017-07-07 | 惠宏工程技术（北京）有限公司 | A kind of replaceable high-strength prestress screw arbor assembly |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |