CN207211184U - Blower fan prestressed bolt foundation structure - Google Patents
Blower fan prestressed bolt foundation structure Download PDFInfo
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- CN207211184U CN207211184U CN201721227702.9U CN201721227702U CN207211184U CN 207211184 U CN207211184 U CN 207211184U CN 201721227702 U CN201721227702 U CN 201721227702U CN 207211184 U CN207211184 U CN 207211184U
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- bolt
- crab
- anchor slab
- cage
- blower fan
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Abstract
The utility model discloses a kind of blower fan prestressed bolt foundation structure, it is related to blower foundation technical field, solve existing crab-bolt and during structure reinforcing bars colligation and concreting occur to rock, influence the vertical degree of crab-bolt and concentricity, the problem of follow-up first section tower can not lift is easily caused, the technical scheme of use is：Blower fan prestressed bolt foundation structure, including crab-bolt cage and spread foundation, the upper and lower side of crab-bolt cage is respectively the upper anchor slab of ring-type and lower anchor slab, annular support muscle is arranged between the gap of lower anchor slab upper surface crab-bolt, the structure reinforcing bars of the spread foundation on anchor slab top avoid structure reinforcing bars from being impacted in colligation and concreting to crab-bolt cage concentricity, upper and lower anchor slab levelness, the vertical degree of crab-bolt above annular support muscle；In crab-bolt cage, at least one set of diagonal brace is symmetrical arranged between upper anchor slab and blinding layer, forms bridging.The weight of the upper anchor slab of bridging supporting, constrains the deflection deformation of crab-bolt, strengthens crab-bolt cage, it is ensured that head section towers are smoothly installed.
Description
Technical field
Blower foundation technical field is the utility model is related to, specifically a kind of blower fan prestressed bolt foundation structure.
Background technology
Wind-driven generator abbreviation blower fan, blower foundation is generally major diameter independence spread foundation, and uses prestressed bolt
Basis, to bear huge upper load.Prestressed bolt basis includes upper and lower anchor slab and crab-bolt, is approached per the crab-bolt of stylobate plinth
200, crab-bolt is circular layout in caged, forms crab-bolt cage, in order to realize the smooth lifting of the first section tower of blower fan, crab-bolt it is vertical
Degree and concentricity requirement are high.
On the one hand, crab-bolt is longer, and anchoring is not firm enough, especially for super long type crab-bolt, such as long 7.12m, 8.12m
Crab-bolt cage is in installation process, and upper anchor slab weighs about 1.85t, and crab-bolt itself keeps vertical degree poor, fixed not firm, easily produces
Certain deflection deformation, and crab-bolt specification is longer, its deflection deformation is bigger so that Concentricity tolerance may occur for crab-bolt cage.
On the other hand, the upper and lower side of crab-bolt cage connects the upper anchor slab of ring-type and lower anchor slab respectively, due to crab-bolt diameter relatively on
The crab-bolt bore dia reserved in anchor slab is smaller, and needs to apply prestressing force, in work progress, due to foundation structure reinforcing bar
Colligation and the influence poured of concrete, make crab-bolt the convenient deformation of vertical degree occur, and crab-bolt is being not entirely in anchor hole just
Centre, this is also to influence the vertical degree of crab-bolt and one of the reason for concentricity.
In addition, existing fan foundation structure reinforcing bar directly contacts with crab-bolt, do not consider how specially to fix crab-bolt pin,
Crab-bolt occurs during the colligation of fan foundation structure reinforcing bar and concreting rocks, and directly influences the vertical degree of crab-bolt and same
Heart degree.Finally, the deviation of crab-bolt cage causes first section tower not lift, and so as to the amendment that occurs doing over again, generally passes through the side such as polishing
Formula can just be such that first section tower smoothly installs, and occur delaying the duration, increase the situation of expense.
Utility model content
The utility model provides a kind of blower fan prestressed bolt foundation structure, and the crab-bolt for solving existing blower foundation is being tied
Occur during the colligation of structure reinforcing bar and concreting and rock, influence the vertical degree of crab-bolt and concentricity, be easily caused follow-up first section tower
The problem of cylinder can not lift.
Technical scheme is used by the utility model solves its technical problem：Blower fan prestressed bolt foundation structure, bag
The spread foundation on the outside of the crab-bolt cage and crab-bolt cage being made up of more crab-bolts is included, the upper and lower side of crab-bolt cage is respectively the upper of ring-type
Anchor slab and lower anchor slab, arrange annular support muscle between the gap of lower anchor slab upper surface crab-bolt, annular support muscle using the center of circle of crab-bolt cage as
The radial arrangement in the center of circle, the ring spacing of annular support muscle is equal with the ring spacing of crab-bolt, the inner side termination position of annular support muscle
In in crab-bolt cage, the outside termination of annular support muscle is located on the outside of lower anchor slab, the structure reinforcing bars position of the spread foundation on lower anchor slab top
In the top of annular support muscle；Bed course based on the downside of lower anchor slab, in crab-bolt cage, be symmetrical arranged between upper anchor slab and blinding layer to
Few one group of diagonal brace, forms bridging.
It is further：The diagonal brace is Φ 28mm~Φ 36mm reinforcing bars or tendon.
It is further：Anchor hole is set on the upper anchor slab, crab-bolt is respectively arranged in anchor hole, crab-bolt and anchor hole
Gap location set limiting card.
Moreover：The limiting card is pvc pipe.
It is further：The diameter of phi 25mm, length 50cm of the annular support muscle.
It is further：The crab-bolt cage tool has two circle crab-bolts, and each crab-bolt of enclosing sets 90 crab-bolts respectively, annular support muscle
Inner side is located between two circle crab-bolts of crab-bolt cage.
The beneficial effects of the utility model are：The bridging of blower fan prestressed bolt foundation structure is stood in crab-bolt cage, its
Middle diagonal brace hypomere is located in blinding layer, and after crab-bolt cage centering leveling, diagonal brace upper end is welded to connect with upper anchor slab, is supported
The weight of anchor slab, the deflection deformation of crab-bolt is effectively constrained, reinforce whole crab-bolt cage.Meanwhile lower anchor slab upper surface sets ring
Shape supports muscle, and structure reinforcing bars colligation and the concreting for effectively reducing spread foundation are horizontal to crab-bolt cage concentricity, upper and lower anchor slab
Influence caused by degree, the vertical degree of crab-bolt, help to ensure that the vertical degree and concentricity of crab-bolt.Limit is set between crab-bolt and upper anchor slab
Position card, crab-bolt is securely fixed, during the colligation of fan foundation structure reinforcing bar and concreting, crab-bolt cage concentricity, on
The influence of the vertical degree of plate level degree, the crab-bolt of casting anchor is impacted minimum, to ensure the smooth lifting of mobile phone tower, so as to avoid first section
Tower can not smoothly be installed and done over again, and schedule delays, increase the problem of expense, and implementation result is good, and cost is cheap.
Brief description of the drawings
Fig. 1 is the horizontal layout schematic diagram of the utility model blower fan prestressed bolt foundation structure.
Fig. 2 is the part elevation schematic diagram of the utility model blower fan prestressed bolt foundation structure.
Fig. 3 is the utility model blower fan prestressed bolt foundation structure vertical section schematic diagram.
Parts, position and numbering in figure：Lower anchor slab 1, lower anchor slab inner outline 1-1, lower anchor slab outer contour 1-2, anchor
Bolt 2, annular support muscle 3, structure reinforcing bars 4, basic build structure outline line 5, blinding layer 6, upper anchor slab 7, bridging 8.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the utility model blower fan prestressed bolt foundation structure, including be made up of more crab-bolts 2
Spread foundation on the outside of crab-bolt cage and crab-bolt cage, the upper and lower side of crab-bolt cage are respectively the upper anchor slab 7 of ring-type and lower anchor slab 1, anchor
Bolt cage tool has two circle crab-bolts 2, and each circle sets 90 crab-bolts 2 and is equally spaced respectively.In Fig. 1, lower anchor slab 1 is in lower anchor slab
Annular support muscle 3 is arranged between contour line 1-1 and lower anchor slab outer contour 1-2, between the gap of the crab-bolt 2 of the lower upper surface of anchor slab 1,
Annular support muscle 3 is using the center of circle of crab-bolt cage as the radial arrangement in the center of circle, the ring spacing and the ring spacing of crab-bolt 2 of annular support muscle 3
It is equal.The inner side termination of annular support muscle 3 is located in crab-bolt cage, is particularly located between two circle crab-bolts 2；The outboard end of annular support muscle 3
Head is particularly located at beyond the basic build structure outline line 5 on the outside of crab-bolt cage positioned at the lower outside of anchor slab 1.Each annular supports muscle 3
Diameter of phi 25mm, length 50cm.
As shown in figs. 1 and 3, bed course 6 based on the downside of anchor slab 1, it is right between upper anchor slab 7 and blinding layer 6 in crab-bolt cage
Claim to set at least one set of diagonal brace, form bridging 8.Diagonal brace hypomere is fixed in blinding layer 6, after crab-bolt cage centering leveling,
Diagonal brace upper end is welded to connect with upper anchor slab 7, and diagonal brace is Φ 28mm~Φ 36mm reinforcing bars or tendon.Diagonal brace is typically arranged vertically two
Group, can according to circumstances increase group number.Bridging supports the weight of anchor slab 7, effectively constrains the amount of deflection of crab-bolt 2 to become
Shape, strengthen whole crab-bolt cage.To reduce subsequent handling (during such as colligation of foundation structure reinforcing bar and concreting) crab-bolt
The influence of cage concentricity, upper and lower anchor slab levelness, the vertical degree of crab-bolt.
Due to setting annular support muscle 3 on lower anchor slab 1, the structure reinforcing bars 4 of the spread foundation on the lower top of anchor slab 1 support positioned at annular
The top of muscle 3, annular support muscle 3 make lower anchor slab 1 be relatively isolated with structure reinforcing bars 4, make crab-bolt 2 and structure reinforcing bars 4 relatively independent, keep away
Exempt from structure reinforcing bars 4 to make crab-bolt cage concentricity, the levelness of upper and lower anchor slab 1,2 vertical degree of crab-bolt in colligation and concreting
Into influence, the vertical degree and concentricity of crab-bolt 2 are helped to ensure that, is easy to first section tower smoothly to install.
In addition, setting the anchor hole consistent with the quantity of anchor pole 2 on upper anchor slab 7, crab-bolt 2 is respectively arranged in anchor hole, anchor
Bolt 2 and the gap location of anchor hole set limiting card, and wherein limiting card is pvc pipe.After dowel cage integrally correction, it is put into limiting card
Gap location between every crab-bolt 2 and the anchor hole of upper anchor slab 7, crab-bolt 2 is fixed.Limiting card is preferably placed symmetrically in
Every crab-bolt 2 and anchor hole gap location, are securely fixed to the surrounding of crab-bolt 2.So, the colligation of fan foundation structure reinforcing bar and
During concreting, crab-bolt cage concentricity, upper and lower anchor slab levelness, crab-bolt it is vertical degree by construct influenceed it is minimum, with protect
The smooth lifting of the first section tower of card.
Claims (6)
1. the extension on the outside of blower fan prestressed bolt foundation structure, including the crab-bolt cage and crab-bolt cage of more crab-bolt (2) compositions
Basis, the upper and lower side of crab-bolt cage is respectively the upper anchor slab (7) and lower anchor slab (1) of ring-type, it is characterised in that：Lower anchor slab (1) upper table
Annular support muscle (3) is arranged between the gap of face crab-bolt (2), annular support muscle (3) is using the center of circle of crab-bolt cage as the radial cloth in the center of circle
Put, the ring spacing of annular support muscle (3) is equal with the ring spacing of crab-bolt (2), and the inner side termination of annular support muscle (3) is located at crab-bolt
In cage, the outside termination of annular support muscle (3) is located on the outside of lower anchor slab (1), the structure reinforcing bars of the spread foundation on lower anchor slab (1) top
(4) positioned at the top of annular support muscle (3)；Bed course (6) based on the downside of lower anchor slab (1), in crab-bolt cage, upper anchor slab (7) and basis
At least one set of diagonal brace is symmetrical arranged between bed course (6), forms bridging (8).
2. blower fan prestressed bolt foundation structure as claimed in claim 1, it is characterised in that：The diagonal brace is Φ 28mm~Φ
36mm reinforcing bars or tendon.
3. blower fan prestressed bolt foundation structure as claimed in claim 1, it is characterised in that：Set on the upper anchor slab (7)
Anchor hole, crab-bolt (2) are respectively arranged in anchor hole, and the gap location of crab-bolt (2) and anchor hole sets limiting card.
4. blower fan prestressed bolt foundation structure as claimed in claim 3, it is characterised in that：The limiting card is pvc pipe.
5. blower fan prestressed bolt foundation structure as claimed in claim 1, it is characterised in that：The annular supports the straight of muscle (3)
Footpath Φ 25mm, length 50cm.
6. blower fan prestressed bolt foundation structure as claimed in claim 1, it is characterised in that：The crab-bolt cage tool has two circle anchors
Bolt (2), respectively enclose crab-bolt (2) and 90 crab-bolts (2) are set respectively, the inner side of annular support muscle (3) is located at two circle crab-bolts (2) of crab-bolt cage
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227702.9U CN207211184U (en) | 2017-09-22 | 2017-09-22 | Blower fan prestressed bolt foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227702.9U CN207211184U (en) | 2017-09-22 | 2017-09-22 | Blower fan prestressed bolt foundation structure |
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| Publication Number | Publication Date |
|---|---|
| CN207211184U true CN207211184U (en) | 2018-04-10 |
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ID=61822507
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721227702.9U Active CN207211184U (en) | 2017-09-22 | 2017-09-22 | Blower fan prestressed bolt foundation structure |
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| CN (1) | CN207211184U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630364A (en) * | 2018-12-10 | 2019-04-16 | 北京天杉高科风电科技有限责任公司 | The blower foundation and its manufacturing method of wind power generating set, wind power generating set |
| CN109989891A (en) * | 2019-04-12 | 2019-07-09 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of foundation ring bottom flange arrangement of reinforcement method and concrete-bar component |
| CN111155548A (en) * | 2019-12-25 | 2020-05-15 | 湖北瑞宏新能源设备有限公司 | Prestressed anchor bolt foundation |
| CN114673149A (en) * | 2022-03-04 | 2022-06-28 | 中国能源建设集团江苏省电力设计院有限公司 | Group anchor structure for improving ductility of large-scale foundation interface and concrete parameter correction method |
-
2017
- 2017-09-22 CN CN201721227702.9U patent/CN207211184U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630364A (en) * | 2018-12-10 | 2019-04-16 | 北京天杉高科风电科技有限责任公司 | The blower foundation and its manufacturing method of wind power generating set, wind power generating set |
| CN109989891A (en) * | 2019-04-12 | 2019-07-09 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of foundation ring bottom flange arrangement of reinforcement method and concrete-bar component |
| CN111155548A (en) * | 2019-12-25 | 2020-05-15 | 湖北瑞宏新能源设备有限公司 | Prestressed anchor bolt foundation |
| CN114673149A (en) * | 2022-03-04 | 2022-06-28 | 中国能源建设集团江苏省电力设计院有限公司 | Group anchor structure for improving ductility of large-scale foundation interface and concrete parameter correction method |
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