CN202227363U - Weathered rock stratum bottom-expanding anchor rod base of wind driven generator - Google Patents
Weathered rock stratum bottom-expanding anchor rod base of wind driven generator Download PDFInfo
- Publication number
- CN202227363U CN202227363U CN2011203076061U CN201120307606U CN202227363U CN 202227363 U CN202227363 U CN 202227363U CN 2011203076061 U CN2011203076061 U CN 2011203076061U CN 201120307606 U CN201120307606 U CN 201120307606U CN 202227363 U CN202227363 U CN 202227363U
- Authority
- CN
- China
- Prior art keywords
- driven generator
- flange
- long bolt
- wind
- bolt
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Wind Motors (AREA)
Abstract
A weathered rock stratum bottom-expanding anchor rod base of a wind driven generator relates to a base of the wind driven generator, in particular to structural improvements of the base of the wind driven generator located in a rock geology. The wind driven generator base has the advantages of being less in rebar consumption quantity, small in occupied area, less in concrete pouring quantity and high in strength and anti-pulling anti-shearing capability. The weathered rock stratum bottom-expanding anchor rod base of the wind driven generator comprises a fan flange located below a fan barrel, the fan flange is connected with an upper flange through a bolt, and the outer edge of the upper flange is connected with the upper portion of a connecting barrel. The weathered rock stratum bottom-expanding anchor rod base of the wind driven generator is characterized in that the lower portion of the connecting barrel is welded to a lower flange, and the diameter of the outer edge of the lower flange is larger than that of the outer edge of the upper flange. Long screws are respectively evenly distributed on the circumference which has the diameter larger than that of the outer edge of the upper flange and smaller than that of the outer edge of the lower flange and is positioned below the lower flange, and at least two hanging plates are arranged at the bottoms of the long screws.
Description
Technical field
the utility model relates to a kind of basis of wind-driven generator, more particularly, relates to a kind of architecture advances that is positioned at the basis of rock geology wind-driven generator.
Background technology
wind-powered electricity generation, i.e. the abbreviation of wind power generation or wind-power electricity generation, wind-power electricity generation is the important form of Wind Power Utilization; Wind energy is a kind of inexhaustible, reproducible environmental type energy.Therefore, greatly developing Wind Power Utilization is the strategic choice of countries in the world, according to statistics 2010 the year end Chinese feature Denso machine capacity leap to the first in the world.
yet, wind power generating set is according to the different geological condition, the basis of adopting during installation is also different.In the prior art, the wind driven generator base (see figure 1) under modal a kind of rock geology condition is to be made up of the blower fan flange and the lower shell that have bolt hole; Wind-driven generator with 85m, 2000kw is an example, and its blower fan flange should have 196 bolts hole, and the blower fan flange of blower fan cylindrical shell is fixed on the upper flange.Set up requirement for above-mentioned wind-driven generator is reached, must around lower shell, fix, will use 330 cubic metres, 33 tons concrete in the reality, floor space: 16 meters of diameters with concrete.
and for example; Chinese patent number is 200820014059.6 to disclose the utility model patent of wind-power electricity generation tower foundation anchoring pile structure on a kind of rock foundation; This patent the subsurface layer corresponding with concrete cushion vertically with the oblique cage of reinforcement that is provided with; Filling has concrete to form vertical anchoring pile and oblique anchoring pile between cage of reinforcement and the subsurface layer; Vertical anchoring pile and oblique anchoring pile bottom are positioned at the slightly weathered rock layer; Described reinforced frame top is positioned at concrete foundation and is woven into bar frame with the concrete foundation reinforcing bar, and oblique anchoring pile is positioned on the taper seat and oblique anchoring pile lower end is positioned at the Vertical Anchor stake outside.The shortcoming of its existence is: the transmission of power is wordy, and concrete and reinforcing bar consumption are big.
Summary of the invention
the utility model is exactly to the problems referred to above; Remedy the deficiency of prior art; Provide the wind-driven generator weathered rock formation to expand anchor pole basis, the end, this wind driven generator base has the advantages that amount of reinforcement is few, floor space is little, the concrete spouting amount is few, underlying strength is high, the resistance to plucking shear resistance is strong.
for realizing above-mentioned purpose, the utility model adopts following technical scheme.
the utility model comprises that one is positioned at the blower fan flange of blower fan cylindrical shell below; This blower fan flange is connected through bolt with upper flange; The outer rim of described upper flange is joined with the top of connecting cylinder; Its structural feature is: the bottom of said connecting cylinder is welded on the lower flange; The diameter of this lower flange outer rim is greater than the external profile diameter of upper flange, described lower flange below, is positioned at one and is furnished with long bolt greater than said upper flange external profile diameter and less than even respectively on the circumference of said upper flange external profile diameter, and the bottom of said long bolt is provided with at least two link plates.
further, described long bolt passes the below that long bolt bolt hole on the lower flange is arranged on lower flange, an end of said long bolt has screw thread and nut.
further, described long bolt spiro keyhole position in one greater than the big circumference of said upper flange external profile diameter on or on the small circumference less than said upper flange external profile diameter; Long bolt bolt hole on the big circumference is sight alignment with long bolt bolt hole and the together circle center on the small circumference, and perhaps long bolt bolt hole on the big circumference and the long bolt bolt hole on the small circumference are interspersed.
described link plate is the cuboid steel plate, is arranged on the bottom of long bolt, eccentric shaft through axle.
described long bolt is to be processed by reinforcing bar.
as a kind of preferred version of the utility model, the welding position of described connecting cylinder and lower flange is positioned at lower flange annulus middle part.
The blower fan cylindrical shell of the wind power generating set that
described blower fan cylindrical shell is 85m, 2000kw.
as a kind of improvement of the utility model, described long bolt bolt hole is 60, and correspondingly long bolt also is 60.
Improve as the another kind of the utility model
, and the ring width of the annulus of said upper flange is: 150mm, and the ring width of the annulus of said lower flange is: 400mm; The diameter of said connecting cylinder is 5m, highly is 0.5m, and its height that exposes ground is 0.2m.
The beneficial effect of
the utility model: the utlity model has the characteristics that amount of reinforcement is few, floor space is little, the concrete spouting amount is few, underlying strength is high, the resistance to plucking shear resistance is strong.And the utility model is connected 60 anchor poles through two flange upper flanges with lower flange, and the transmission of power is succinctly reliable.In addition, because the link plate on the axle of long bolt bottom, the expansion cylinder during in conjunction with construction has greatly improved basic intensity and resistance to plucking shear resistance.
| ? | Prior art one | The utility model |
| Concrete (cubic meter) | 330 | 10 |
| Steel (ton) | 31 | 8 |
| Basis diameter (rice) | 16 | 5.3 |
Description of drawings
Fig. 1 is the structural representation of the wind driven generator base under modal a kind of rock geology condition in the prior art.
Fig. 2 is the structural representation of the utility model.
Fig. 3 is the vertical view of the utility model lower flange.
wherein, 1 be axle, 2 for link plate, 3 for long bolt, 4 for the long bolt bolt hole, 5 for lower flange, 6 for nut, 7 for connecting cylinder, 8 for upper flange, 9 for screw, 10 for bolt, 11 for the blower fan flange, 12 for the blower fan cylindrical shell, 13 for foundation ditch, 14 for petrosal foramen, 15 for enlarging cylinder, 16 welding positions for connecting cylinder and lower flange.
The specific embodiment
are described further the utility model below in conjunction with accompanying drawing.
are as shown in Figure 1, are the structural representation of the utility model.Visible by figure, the blower fan flange 11 of blower fan cylindrical shell 12 bottoms, with the upper flange 8 of its below through bolt 10 closing, bolt hole 9 quantity of bolt 10 are 196 on the upper flange.The connecting cylinder 7 cylindrical shells upper end of the outer rim of upper flange 8 and its below is welded as a whole, and connecting cylinder 7 lower ends are welded on the middle circumference of lower flange 5 annulus.Described long bolt bolt hole 4 is positioned at one greater than on the big circumference of said upper flange 8 external profile diameters or on the small circumference less than said upper flange 8 external profile diameters; Long bolt bolt hole 4 on the big circumference is sight alignment with long bolt bolt hole on the small circumference 4 and together circle center, and perhaps the long bolt bolt hole 4 on long bolt bolt hole on the big circumference 4 and the small circumference is interspersed; Described big circumference is the welding position 16 of connecting cylinder and lower flange and the middle of lower flange 5 outer rims, and described small circumference is the welding position 16 of connecting cylinder and lower flange and the middle of lower flange 5 inner edges.Long bolt 3 passes the below that above-mentioned long bolt bolt hole 4 is arranged on lower flange 5; The screw thread that passes through the top of long bolt 3 and nut 6 are fixed on the lower flange 5.Each long bolt 3 bottom all has axle 1, and axle 1 is provided with the both sides that two rectangular-shaped link plates, 2, two link plates 2 lay respectively at long bolt 3 bottoms; Because therefore axle 1 off-centre be divided into the two parts that are uneven in length with link plate 2.
embodiment.
are example with the high wind-driven generator of 85m.At first, even out and be not less than the formation level that diameter is 10m; Then, excavating an outer rim is that 5.3m, inner edge are that 4.7m, the degree of depth are the annular foundation ditch 13 of 0.5m; Use down-the-hole drill to get out 60 diameters again in foundation ditch 13 bottoms and be 130mm, the degree of depth petrosal foramen 14 as 5.5m, and adopt reaming bit in the bottom of petrosal foramen 14, the completion diameter is 230mm, highly is the expansion cylinder 15 of 500mm; The long bolt 3 of 6m length, diameter 60mm is set in petrosal foramen 14, and relative both sides, long bolt 3 bottoms are respectively arranged with link plate 2, and the end on the link plate 2 is provided with locating hole, link plate 2 is hung in vertical direction with steel wire through locating hole; When long bolt 3 touches petrosal foramen 14 bottoms, steel wire to be extracted out, this moment, two link plates 2 were opened under the effect of off-centre, correspondingly were connected on two diagonal that enlarge cylinder 15, then cast pea gravel concreten in petrosal foramen 14.With nut 6 long bolt 3 is fixed on the lower flange 5 fluid concrete in annular foundation ditch 13 again.At last, upper flange 8 is connected through bolt 10 with blower fan flange 11.
above specific descriptions about the utility model; Only be used to explain the utility model; Protection domain is not to be subject to the described technical scheme of the utility model embodiment; For example look actual the measure that natural environment and condition increase to be strengthened the basis, as in each petrosal foramen 14, establishing a plurality of expansion cylinders 15, and corresponding axle 1 and link plate 2 etc.Those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model, to reach identical technique effect, as long as satisfy the technical characterictic of the utility model, all within the protection domain of the utility model.
Claims (8)
1. anchor pole basis, the end is expanded in the wind-driven generator weathered rock formation; Comprise that one is positioned at the blower fan flange (11) of blower fan cylindrical shell (12) below; This blower fan flange (11) is connected through bolt (10) with upper flange (8); The top of the same connecting cylinder of outer rim (7) of described upper flange (8) joins; It is characterized in that: the bottom of said connecting cylinder (7) is welded on the lower flange (5); The diameter of this lower flange (5) outer rim is greater than the external profile diameter of upper flange (8), described lower flange (5) below, is positioned at one and is furnished with long bolt (3) greater than said upper flange (8) external profile diameter and less than even respectively on the circumference of said upper flange (8) external profile diameter, and the bottom of said long bolt (3) is provided with at least two link plates (2).
2. anchor pole basis, the end is expanded in wind-driven generator according to claim 1 weathered rock formation; It is characterized in that: described long bolt (3) passes the long bolt bolt hole (4) on the lower flange (5), and an end of said long bolt (3) has screw thread and nut (6).
3. anchor pole basis, the end is expanded in wind-driven generator according to claim 2 weathered rock formation, it is characterized in that: described long bolt bolt hole (4) is positioned at one greater than on the big circumference of said upper flange (8) external profile diameter or on the small circumference less than said upper flange (8) external profile diameter; Long bolt bolt hole (4) on the big circumference is sight alignment with long bolt bolt hole (4) on the small circumference and together circle center, and perhaps the long bolt bolt hole (4) on long bolt bolt hole (4) on the big circumference and the small circumference is interspersed.
4. anchor pole basis, the end is expanded in wind-driven generator according to claim 3 weathered rock formation, and it is characterized in that: described long bolt (3) is to be processed by reinforcing bar.
5. anchor pole basis, the end is expanded in wind-driven generator according to claim 1 weathered rock formation, and it is characterized in that: described link plate (2) be the cuboid steel plate, is two, is arranged on the bottom of long bolt (3), (1) off-centre through axle (1).
6. anchor pole basis, the end is expanded in wind-driven generator according to claim 1 weathered rock formation, it is characterized in that: described blower fan cylindrical shell (12) is the blower fan cylindrical shell (12) of the wind power generating set of 85m, 2000kw.
7. anchor pole basis, the end is expanded in wind-driven generator according to claim 6 weathered rock formation, and it is characterized in that: described long bolt bolt hole (4) is 60, and correspondingly long bolt (3) also is 60.
8. anchor pole basis, the end is expanded in wind-driven generator according to claim 6 weathered rock formation, and it is characterized in that: the ring width of the annulus of said upper flange (8) is: 150mm, and the ring width of the annulus of said lower flange (5) is: 400mm; The diameter of said connecting cylinder (7) is 5m, highly is 0.5m, and its height that exposes the bottom surface is 0.2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203076061U CN202227363U (en) | 2011-08-23 | 2011-08-23 | Weathered rock stratum bottom-expanding anchor rod base of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203076061U CN202227363U (en) | 2011-08-23 | 2011-08-23 | Weathered rock stratum bottom-expanding anchor rod base of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202227363U true CN202227363U (en) | 2012-05-23 |
Family
ID=46077952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203076061U Expired - Lifetime CN202227363U (en) | 2011-08-23 | 2011-08-23 | Weathered rock stratum bottom-expanding anchor rod base of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202227363U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383439A (en) * | 2011-08-23 | 2012-03-21 | 孟庆波 | Flange anchor bar foundation for wind-driven generator on decomposed rock foundation |
| CN109723078A (en) * | 2018-12-25 | 2019-05-07 | 唐峰 | A kind of reinforcer and its implementation method for bridge pier and abutment |
| CN114457835A (en) * | 2022-01-25 | 2022-05-10 | 国家电网有限公司 | Metal section bearing platform anchoring foundation for power transmission line truss |
-
2011
- 2011-08-23 CN CN2011203076061U patent/CN202227363U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383439A (en) * | 2011-08-23 | 2012-03-21 | 孟庆波 | Flange anchor bar foundation for wind-driven generator on decomposed rock foundation |
| CN102383439B (en) * | 2011-08-23 | 2014-06-04 | 孟庆波 | Flange anchor bar foundation for wind-driven generator on decomposed rock foundation |
| CN109723078A (en) * | 2018-12-25 | 2019-05-07 | 唐峰 | A kind of reinforcer and its implementation method for bridge pier and abutment |
| CN114457835A (en) * | 2022-01-25 | 2022-05-10 | 国家电网有限公司 | Metal section bearing platform anchoring foundation for power transmission line truss |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101812842B (en) | Tensionless filling pile structure | |
| CN102400469B (en) | Secant pile drum type foundation and construction method thereof | |
| CN103266621B (en) | Steel strand prestress base structure of wind driven generator and construction method thereof | |
| CN103046557A (en) | Foundation pit water-sealing supporting method by using long spiral cement soil mixing structural steel pile | |
| CN102505704A (en) | Large open caisson construction method in soft geological shaft | |
| CN105155572A (en) | Cast-in-place pre-stressed anchor cable draught fan foundation system and construction method thereof | |
| CN103790175A (en) | Intense weathered rock formation prestress expanded-base anchor bolt foundation of wind generating set | |
| CN202227363U (en) | Weathered rock stratum bottom-expanding anchor rod base of wind driven generator | |
| CN201459756U (en) | Hanging-type construction ceiling coil vertical shaft | |
| CN201232193Y (en) | Wind motor tower foundation anchor pile structure on rock foundation | |
| CN203238659U (en) | Wind driven generator steel strand prestress foundation structure | |
| CN103741708B (en) | Prefabricated concrete rod sleeve basis | |
| CN203498859U (en) | Novel prestress steel stranded wire foundation | |
| Li et al. | Construction technology of high-rise pile cap foundation of offshore wind power in Taiwan Strait | |
| CN201649071U (en) | Unstressing cast-in-place pile | |
| CN201198666Y (en) | Ultra low temperature liquefied natural gas underground gas storage warehouse | |
| CN102383439B (en) | Flange anchor bar foundation for wind-driven generator on decomposed rock foundation | |
| CN215252932U (en) | Deep foundation pit PC steel pipe combination Larsen steel sheet pile double row pile supporting system | |
| CN103334447B (en) | Tensionless filling pile structure | |
| CN202131602U (en) | Steel sheet pile cofferdam structure | |
| CN203684258U (en) | Prefabricated concrete rod sleeve foundation | |
| CN205205848U (en) | Cavity gravity type marine wind power basis | |
| CN203383224U (en) | Tension-free cast-in-place pile structure | |
| CN202208929U (en) | Support strengthening device capable of enabling underground pipeline to occupy support structure | |
| CN202787297U (en) | Tower crane base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20140604 |
|
| RGAV | Abandon patent right to avoid regrant |