CN203846843U - Pre-stress anchor bolt cage of wind power generation tower - Google Patents
Pre-stress anchor bolt cage of wind power generation tower Download PDFInfo
- Publication number
- CN203846843U CN203846843U CN201420245454.0U CN201420245454U CN203846843U CN 203846843 U CN203846843 U CN 203846843U CN 201420245454 U CN201420245454 U CN 201420245454U CN 203846843 U CN203846843 U CN 203846843U
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- Prior art keywords
- bolt
- flanges
- crab
- flange
- lower flange
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- Expired - Lifetime
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- 238000010248 power generation Methods 0.000 title claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 2
- 230000002929 anti-fatigue Effects 0.000 abstract description 2
- 239000003566 sealing material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Wind Motors (AREA)
Abstract
The utility model relates to a pre-stress anchor bolt cage of a wind power generation tower. The pre-stress anchor bolt cage comprises anchor bolts, upper flanges and lower flanges. The anchor bolts sequentially penetrate through anchoring nuts, the lower flanges, positioning nuts, anchor bolt sleeves, adjustment nuts, the upper flanges, T-type flanges at the bottom of the wind power generation tower and locking nuts. The upper flanges are annular steel plates, anchor bolt holes are inverted cone holes, the upper flanges are supported by the adjustment nuts, and the level degrees of the upper flanges are adjusted through the adjustment nuts. The lower flanges are annular steel plates, the weights of the lower flanges are borne by lower flange supporting bolts and supporting nuts, the level degrees of the lower flanges can be adjusted, the lower flanges are fixed through pressing nuts, and the lower flange supporting bolts are supported on base plates. According to the pre-stress anchor bolt cage, the anchor bolts are separated from foundation concrete through the anchor bolt sleeves, pre-tension force is exerted through the anchor bolts, and the concrete is only pressed; the positions and the level degrees of the upper flanges are adjusted through the adjustment nuts; the center areas, the inner edges and the outer edges of the T-type flanges at the bottom and the upper flanges are tightly pressed through the inverted cone holes in the upper flanges, and the inverted cone holes are filled with sealing materials. By means of the pre-stress anchor bolt cage, the connection integrity of a tower body and a foundation is good, the connection rigidity is even, and the connection durability and the connection anti-fatigue performance are improved.
Description
Technical field
The utility model belongs to wind power generation stepped and basic link technique field, is specifically related to a kind of wind power generation stepped prestressing force crab-bolt cage.
Background technology
Wind power generation stepped with basic being connected of single-pipe tower barrel structure, generally adopts and in reinforced concrete foundation, buries discharge ring underground, and tower cylinder is connected to realize with discharge ring flange.Discharge ring connects tower cylinder and basic shortcoming is: discharge ring is isolated its inside and outside steel concrete, and both associativities are poor, a little less than stressed globality; Discharge ring buried foundation steel concrete is more shallow, and under discharge ring, fiber stress is concentrated seriously, and under the reciprocal Fatigue Load of blower fan, concrete often destroys, and discharge ring anchoring was lost efficacy, and affects the normal operation of wind power generating set, and tower even occurs; More anchor bar need be joined in discharge ring both sides, and rolled steel dosage is large, and waste of material is larger.
Utility model content
The purpose of this utility model is to provide a kind of wind power generation stepped prestressing force crab-bolt cage.
The wind power generation stepped prestressing force crab-bolt cage the utility model proposes, described crab-bolt cage is made up of the anchor component of some groups of same structures, every group of anchor component comprises crab-bolt 1, upper flange 2 and lower flange 3, wherein: crab-bolt 1 is from bottom to top successively through anchor hole and the T-shaped flange 8 of wind-power electricity generation tower bottom of the anchor hole of lower flange 3, setscrew nut 5, crab-bolt sleeve pipe 6, adjusting nut 7, upper flange 2, its bottom is fixedly connected with lower flange 3 by anchoring nut 4, and top is fixedly connected with the T-shaped flange 8 in power generation column bottom by locking nut 9;
Upper flange 2 is doughnut-shaped steel plate, on it, be evenly arranged anchor hole, described anchor hole is reverse taper holes 10, supports by being positioned at the uniform adjusting nut 7 of its several hoops of below, and its levelness of capable of regulating, described reverse taper holes 10 and crab-bolt 1 position, gap, junction packing matcrial 11;
Lower flange 3 is doughnut-shaped steel plate, the weight that lower flange carrying bolt 12 and holding nut 13 bear lower flange 3, and its levelness of capable of regulating, and lower flange 3 is fixed by clamp nut 14, and lower flange carrying bolt 12 is supported on backing plate 15.
In the utility model, in the time that anchor component insertion base concrete 16 is interior, crab-bolt sleeve pipe 6 is made up of heat-shrink tube or plastic pipe, and crab-bolt 1 and base concrete 16 are isolated, and the adjusting nut 7 that plastics are made is for supporting and adjust upper flange.
In the utility model, in the time that anchor component insertion base concrete 16 is interior, upper flange 2 on anchor component is positioned at base concrete 16 tops, and reserved certain space between upper flange 2 belows and base concrete 16, form ater-casting, base concrete 16 levelness of adjustable upper flange 2 still after having built, ater-casting adopts high-strength grout 17 to build, and guarantees the closely knit and stressed safety of upper flange 2 belows.
In the utility model, in the time that tower cylinder is installed, the T-shaped flange 8 in bottom is inserted in after crab-bolt 1, adopt hydraulic tensioning fastening anchor bolt 1, crab-bolt 1 applied elongation is destroyed adjusting nut 7, make crab-bolt 1 total length tension, crab-bolt 1 pretension is delivered to lower flange 3 and anchoring nut 4, and upper flange 2 and lower flange 3 compress base concrete 16 and high-strength grouting 17 between the two.
In the utility model, upper flange 2 anchor hole are reverse taper holes 10, the contact area that can reduce the T-shaped flange 8 in bottom and upper flange 2, makes T-shaped flange 8 central areas, bottom and outer edge and upper flange 2 press tightlyer, has improved contact situation and the transmission force property of the T-shaped flange 8 in bottom.
In the utility model, the interior packing matcrial 11 of the reverse taper holes 10 of upper flange 2, can improve the antiseptic effect of crab-bolt 1.
The beneficial effects of the utility model are:
1. crab-bolt runs through basis, and is anchored in lower flange and the anchoring nut of below, basis, and reinforcement foundation can intert very easily between crab-bolt, the good integrity of crab-bolt and basic combination, and rigidity is even.
Crab-bolt casing off crab-bolt and base concrete, crab-bolt adopts hydraulic tensioning fastening, makes upper and lower flange screw concrete, a concrete pressurized has improved the durability and the anti-fatigue performance that connect.
3. can adjust very easily position and the levelness of lower flange with lower flange studdle and nut, can adjust very easily position and the levelness of upper flange with adjusting nut, make to meet the requirement that wind-driven generator is installed.
4. it is long-pending that upper flange reverse taper holes can reduce the T-shaped flange contact facings in bottom, make T-shaped flange center region, bottom and outer edge and upper flange press tightlyer, can packing matcrial in reverse taper holes, improve contact situation and the transmission force property of the T-shaped flange in bottom, improve antiseptic property.
The utility model simple in structure, stressed clear and definite, install convenient, can shorten the foundation construction cycle, reduce generation power foundation of wind power cost.
Brief description of the drawings
Fig. 1 is the front view of the utility model in generation power foundation of wind power.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the utility model front view.
Fig. 4 is upper flange front view.
Fig. 5 is Fig. 4 top view.
Fig. 6 lower flange front view.
Fig. 7 is Fig. 6 top view.
Fig. 8 is the contact surface of the T-shaped flange in bottom and upper flange.
Number in the figure: 1 is that crab-bolt, 2 is that upper flange, 3 is lower flange, and 4 is anchoring nut, and 5 is setscrew nut, 6 is crab-bolt sleeve pipe, and 7 is adjusting nut, and 8 is the T-shaped flange in bottom, 9 is locking nut, and 10 is reverse taper holes, and 11 is encapsulant, 12 is carrying bolt, and 13 is holding nut, and 14 is clamp nut, 15 is backing plate, 16 is base concrete, and 17 is high-strength grouting, and 18 is foundation pad.
Detailed description of the invention
Further illustrate by reference to the accompanying drawings the utility model below by embodiment.
Embodiment 1:
The utility model comprises crab-bolt 1, upper flange 2 and lower flange 3.Crab-bolt 1 is from bottom to top successively through anchoring nut 4, lower flange 3, setscrew nut 5, crab-bolt sleeve pipe 6, adjusting nut 7, upper flange 2, the T-shaped flange 8 of wind-power electricity generation tower bottom and locking nut 9.Upper flange 2 is doughnut-shaped steel plate, on it, equally distributed anchor hole is reverse taper holes 10, support by being positioned at several hoops of upper flange 2 belows adjusting nut 7 uniform, that plastics are made, and its levelness of capable of regulating, upper flange reverse taper holes 10 and crab-bolt 1 junction packing matcrial 11.Lower flange 3 is doughnut-shaped steel plate, the weight that lower flange carrying bolt 12 and holding nut 13 bear lower flange 3, and its levelness of capable of regulating, and lower flange 3 is fixed by clamp nut 14, and lower flange carrying bolt 12 is supported on backing plate 15.
(1) after foundation pad 18 has been constructed, some backing plates of the uniform placement of hoop 15, carrying bolt 12 penetrates in the hole of lower flange 3 correspondences, upper and lower distributing installation clamp nut 14 and holding nut 13, lower flange 3 is sling carrying bolt 12 is supported on backing plate 15, welding carrying bolt 12 and backing plate 15.
(2) crab-bolt 1 puts crab-bolt sleeve pipe 6, and adjusting nut 7 is installed in upper end, penetrates after upper flange 2 packing matcrial 11 in reverse taper holes 10; Setscrew nut 5 is installed in lower end, penetrates the rear installation anchoring of lower flange 3 nut.
(3) after crab-bolt cage overall package is shaped, adjust adjusting nut 7, setscrew nut 5 and anchoring nut 4, make it meet instructions for use.
(4) construction reinforcement foundation concrete 16, adjusts adjusting nut 7 and checks after upper flange 2 levelnesss, construction high-strength grouting 7.
(5) base concrete 16 and high-strength grouting 7 maintenances are wind power generation stepped to lifting after design strength, and the T-shaped forged flange 8 in bottom is inserted in crab-bolt 1, and stretching fastening anchor bolt 1, after designing requirement, is locked crab-bolt 1 with locking nut 9.
Claims (2)
1. a wind power generation stepped prestressing force crab-bolt cage, described crab-bolt cage is made up of the anchor component of some groups of same structures, every group of anchor component comprises crab-bolt (1), upper flange (2) and lower flange (3), it is characterized in that: crab-bolt (1) is passed the anchor hole of lower flange (3) from bottom to top successively, setscrew nut (5), crab-bolt sleeve pipe (6), adjusting nut (7), the anchor hole of upper flange (2) and the T-shaped flange of wind-power electricity generation tower bottom (8), its bottom is fixedly connected with lower flange (3) by anchoring nut (4), top is fixedly connected with the power generation column T-shaped flange in bottom (8) by locking nut (9),
Upper flange (2) is doughnut-shaped steel plate, on it, be evenly arranged anchor hole, described anchor hole is reverse taper holes (10), support by being positioned at the uniform adjusting nut (7) of its several hoops of below, and its levelness of capable of regulating, described reverse taper holes (10) and crab-bolt (1) gap, junction position packing matcrial (11);
Lower flange (3) is doughnut-shaped steel plate, lower flange carrying bolt (12) and holding nut (13) bear the weight of lower flange (3), and its levelness of capable of regulating, lower flange (3) is fixing by clamp nut (14), and lower flange carrying bolt (12) is supported on backing plate (15).
2. wind power generation stepped prestressing force crab-bolt cage according to claim 1, while it is characterized in that in anchor component inserts base concrete (16), upper flange (2) on anchor component is positioned at base concrete (16) top, and headspace between upper flange (2) below and base concrete (16), form ater-casting, described ater-casting adopts high-strength grout (17) to build.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245454.0U CN203846843U (en) | 2014-05-14 | 2014-05-14 | Pre-stress anchor bolt cage of wind power generation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245454.0U CN203846843U (en) | 2014-05-14 | 2014-05-14 | Pre-stress anchor bolt cage of wind power generation tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846843U true CN203846843U (en) | 2014-09-24 |
Family
ID=51559878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420245454.0U Expired - Lifetime CN203846843U (en) | 2014-05-14 | 2014-05-14 | Pre-stress anchor bolt cage of wind power generation tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203846843U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938647A (en) * | 2014-05-14 | 2014-07-23 | 闵怡红 | Wind power generation tower prestress anchor bolt cage |
| CN106351247A (en) * | 2016-10-11 | 2017-01-25 | 北京健安诚岩土工程有限公司 | Anchor cage ring type foundation with replaceable anchor bolt |
| CN106368235A (en) * | 2016-10-11 | 2017-02-01 | 北京健安诚岩土工程有限公司 | Prestress cylindrical foundation capable of replacing anchor bolts |
| EP3336260A1 (en) * | 2016-12-19 | 2018-06-20 | Siemens Gamesa Innovation & Technology, S.L. | Construction method of a tower foundation |
| CN108755740A (en) * | 2018-08-28 | 2018-11-06 | 同济大学建筑设计研究院(集团)有限公司 | A kind of seif-citing rate formula generation power foundation of wind power ring group plinth hardened system and reinforcement means |
| CN110016931A (en) * | 2019-05-15 | 2019-07-16 | 龙源（北京）风电工程设计咨询有限公司 | A kind of novel pre-stressed anchor bolt blower foundation and method |
-
2014
- 2014-05-14 CN CN201420245454.0U patent/CN203846843U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938647A (en) * | 2014-05-14 | 2014-07-23 | 闵怡红 | Wind power generation tower prestress anchor bolt cage |
| CN106351247A (en) * | 2016-10-11 | 2017-01-25 | 北京健安诚岩土工程有限公司 | Anchor cage ring type foundation with replaceable anchor bolt |
| CN106368235A (en) * | 2016-10-11 | 2017-02-01 | 北京健安诚岩土工程有限公司 | Prestress cylindrical foundation capable of replacing anchor bolts |
| CN106351247B (en) * | 2016-10-11 | 2018-11-16 | 北京健安诚岩土工程有限公司 | The anchor cage ring formula basis of replaceable anchor bolt |
| EP3336260A1 (en) * | 2016-12-19 | 2018-06-20 | Siemens Gamesa Innovation & Technology, S.L. | Construction method of a tower foundation |
| CN108755740A (en) * | 2018-08-28 | 2018-11-06 | 同济大学建筑设计研究院(集团)有限公司 | A kind of seif-citing rate formula generation power foundation of wind power ring group plinth hardened system and reinforcement means |
| CN108755740B (en) * | 2018-08-28 | 2023-08-04 | 同济大学建筑设计研究院(集团)有限公司 | Self-stress type wind power generation tower foundation ring foundation reinforcing system and reinforcing method |
| CN110016931A (en) * | 2019-05-15 | 2019-07-16 | 龙源（北京）风电工程设计咨询有限公司 | A kind of novel pre-stressed anchor bolt blower foundation and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |