CN206308704U - A kind of replaceable high-strength prestress screw arbor assembly - Google Patents
A kind of replaceable high-strength prestress screw arbor assembly Download PDFInfo
- Publication number
- CN206308704U CN206308704U CN201621437088.4U CN201621437088U CN206308704U CN 206308704 U CN206308704 U CN 206308704U CN 201621437088 U CN201621437088 U CN 201621437088U CN 206308704 U CN206308704 U CN 206308704U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- threaded portion
- arbor assembly
- anchor slab
- 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.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of replaceable high-strength prestress screw arbor assembly, including screw rod, position of the screw rod near lower end and the position near upper end are respectively equipped with threaded portion, threaded portion near upper end is provided with clamp nut, anchor slab ring is provided near the threaded portion of lower end, the upper end of screw rod is provided with six square toes, and the lower end of screw rod is provided with nose cone or round platform head.The hole inwall of anchor slab ring is provided with T-shaped screw thread or light wall; the inclination angle of the nose cone of screw rod lower end or the side wall of round platform head is more than or equal to 30 °; small 3~the 5mm of the diagonal length screw diameter of six square toes of screw rod upper end; in one group of opposite side of six square toes, one through hole is set; threaded portion is provided with the intermediate zone of 40 50mm with screw rod middle part; screw surface smears anti-corrosion grease, and PE pipes are cased with the middle part of screw rod, and the two ends of the screw rod are cased with PVC protection cap bags.Not easy to break with high intensity, toughness elasticity is good, the advantages of convenient displacement, it is adaptable to all blower foundation forms, and meet anchorage screw occur quality problems can not normally use and it is unbroken in the case of displacement.
Description
Technical field
The utility model is related to a kind of anchorage screw of wind power plant unit foundation, more particularly to a kind of replaceable
High-strength prestress 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 be used in concreting process, with the common structure of concrete
Into prestressed component；Spiral for prestressed concrete has the following disadvantages for blower foundation：
Though the 1, lever strength is high, material fragility is big, poor toughness, poor flexibility, fatigue life are low；
2nd, be mounted in when spiral for prestressed concrete is used in blower foundation construction inside pvc pipe not with it is mixed
Solidifying native contact, every spiral after installation to blower foundation applies tension force, because 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, due to being stagnated without the high-strength deformed steel bar rod that can meet use requirement.
The fatigue life that spiral for prestressed concrete exists in use is low, and fragility is big, poor toughness, elasticity
Difference, after stretching force the problems such as poor mechanical property, easy fracture,
Utility model content
It is elastic good, convenient displacement replaceable that the purpose of this utility model is to provide a kind of high intensity, not easy to break, toughness
High-strength prestress screw arbor assembly.
The purpose of this utility model is achieved through the following technical solutions：
Replaceable high-strength prestress screw arbor assembly of the present utility model, including screw rod, the screw rod is near lower end
Position and threaded portion is respectively equipped near the position of upper end, 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.
The technical scheme that is there is provided by above-mentioned the utility model as can be seen that the utility model embodiment provide it is replaceable
High-strength prestress screw arbor assembly, not easy to break with high intensity, toughness elasticity is good, conveniently the advantages of displacement, it is adaptable to all
Blower foundation form, and meet anchorage screw occur quality problems can not normally use and it is unbroken in the case of displacement.
Brief description of the drawings
The structural representation of the replaceable high-strength prestress screw arbor assembly that Fig. 1 is provided for the utility model embodiment.
Fig. 2 is the cross-sectional view of anchorage screw in the utility model embodiment；
Fig. 3 is the termination schematic diagram of anchorage screw in the utility model embodiment；
Fig. 4 is the protection cap bag schematic diagram of anchorage screw in the utility model embodiment；
Fig. 5 is anchorage screw and anchor slab ring connection diagram in the utility model embodiment.
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 utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on embodiment of the present utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to protection domain of the present utility model.
Replaceable high-strength prestress screw arbor assembly of the present utility model, its preferably specific embodiment is：
Including screw rod, position of the screw rod near lower end and the position near upper end are respectively equipped with threaded portion, near upper
The threaded portion at end is provided with clamp nut, and anchor slab ring is provided near the threaded portion of lower end, and the upper end of the screw rod is provided with six sides
Head, the lower end of the screw rod is provided with nose cone or round platform head.
The hole inwall of the anchor slab ring is provided with T-shaped screw thread, is engaged 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 hole wall of the anchor slab ring is smooth without screw thread, and bore dia about screw rod 3mm, and the screw rod on anchor slab ring top is provided with
Thin nut, the screw rod of anchor slab ring bottom is provided with high nut.
The inclination angle of the nose cone of the screw rod lower end or the side wall of round platform head 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.
The diagonal length small 3~5mm of the screw diameter of six square toes of the screw rod upper end, at one group couple of six square toes
Side sets 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 as separate construction parts with the body of rod
Mode is combined.The diagonal structural texture of six square toes of the screw rod upper end also can directly be processed on body of rod top.
The threaded portion and screw rod middle part are provided with the intermediate zone of 40-50mm, and the screw thread of intermediate zone is by rolling central diameter progressively mistake
Cross to diameter of thread.
The screw surface smears anti-corrosion grease, 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 uses rapid thermal treatment, and firing rate is in 100 DEG C/more than s.
Replaceable high-strength prestress screw arbor assembly of the present utility model, by screw rod one end port shape and another
Hold structural form improvement, change prestress anchoraging screw rod in blower foundation practical application processing and fabricating, in-site installation, put
The problems such as changing, can be used for succeeding in developing for the high-strength prestressed anchor screw rod replaced, and solve prestress anchoraging screw rod in wind
The phenomenon of hardly possible is replaced in the practical application of machine basis, construction period significantly shortens, and basic service life is extended.
The screw arbor assembly has high intensity, not easy to break, and toughness elasticity is good, is conveniently applied to the advantages of displacement and removes foundation ring
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, a kind of for anchor slab ring screw hole inwall is provided with T-shaped screw thread, 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 use typically nut to fix,
Using PVC protection cap bag sealing protections after installation；
Another 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 circular cone or truncated cone-shaped, i.e. end 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 it is the PE protective cases of 160mm to be configured with height
Cap, after screw rod installation, sealing protection screw rod end prevents from being contacted with concrete, and preservative treatment；
Other end moulding is：End is hexagon, diagonal length 3~5mm small compared with screw diameter, wherein one group of opposite side
One through hole is set, and through-hole diameter is 20mm, and lead to the hole site is not more than 2mm away from screw rod end 30mm, position deviation.
Screw surface smears anti-corrosion grease, and screw rod is inserted in PE sleeve pipes, isolates with concrete.
The excessive place of the threaded portion and screw rod sets the intermediate zone of 40-50mm, the screw thread of intermediate zone by passed through 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 utility model solves the problems, such as that domestic blower foundation anchoring material displacement is difficult, effectively increases blower foundation
Service life.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
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
Position and threaded portion is respectively equipped near the position of upper end, 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, is engaged 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 at the lower end in the range of 350mm
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 diagonal length small 3~5mm of the 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
Screw rod middle part is provided with the intermediate zone of 40-50mm, and the screw thread of intermediate zone is progressively transitioned into diameter of thread by rolling central diameter.
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 grease, PE pipes are cased with the middle part of the screw rod, 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 use rapid thermal treatment, firing rate is in 100 DEG C/more than s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437088.4U CN206308704U (en) | 2016-12-26 | 2016-12-26 | A kind of replaceable high-strength prestress screw arbor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437088.4U CN206308704U (en) | 2016-12-26 | 2016-12-26 | A kind of replaceable high-strength prestress screw arbor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308704U true CN206308704U (en) | 2017-07-07 |
Family
ID=59246361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621437088.4U Active CN206308704U (en) | 2016-12-26 | 2016-12-26 | A kind of replaceable high-strength prestress screw arbor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206308704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522264A (en) * | 2016-12-26 | 2017-03-22 | 惠宏工程技术（北京）有限公司 | Replaceable high-strength prestress screw assembly |
-
2016
- 2016-12-26 CN CN201621437088.4U patent/CN206308704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522264A (en) * | 2016-12-26 | 2017-03-22 | 惠宏工程技术（北京）有限公司 | Replaceable high-strength prestress screw assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204826419U (en) | Bury ground tackle deeply | |
| CN204591323U (en) | Large elongation is anti-corrosion anchor pole | |
| CN202787668U (en) | Rear bolt anchoring system for cantilever steel I-beam | |
| CN204081445U (en) | To encorbelment i iron anchor device | |
| CN206308704U (en) | A kind of replaceable high-strength prestress screw arbor assembly | |
| CN209642270U (en) | A kind of novel power cable protection pipe | |
| CN106522264A (en) | Replaceable high-strength prestress screw assembly | |
| CN103256285B (en) | Small head nail for wall cement slab | |
| CN204001980U (en) | The steel structure enclosure wall that a kind of building site is special | |
| CN206680951U (en) | A kind of channel protection structure of hydraulic engineering | |
| CN204001743U (en) | Three sections of energy-saving environment-protecting type sealing up screw | |
| CN203775121U (en) | Universal metal roof fixture | |
| CN211817997U (en) | Portable antiseep steel sleeve | |
| CN207987918U (en) | A kind of precast concrete pile and pilework | |
| CN208934463U (en) | A kind of concreting profiled template support component | |
| CN205709591U (en) | The novel flexible attachment device of derrick crane | |
| CN204871182U (en) | A horizontal pull rod device for connecting adjustable length of frame and axle | |
| CN212388541U (en) | Anti-extrusion glass fiber reinforced plastic displaceable composite anchoring rod device | |
| CN205839990U (en) | Staircase built-in fitting | |
| CN209244267U (en) | One kind pouring preserved pipeline hole support mode | |
| CN218719584U (en) | Anti-creeping three-way pipe fitting for water supply | |
| CN207160422U (en) | A kind of reinforcing bar with anchored end | |
| CN203297237U (en) | Wall body cement board small-head nail | |
| CN208604954U (en) | Marked rod | |
| CN207563627U (en) | A kind of reinforcing bar crotch tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |