CN210887281U - Externally welded stud type foundation ring facility of wind driven generator - Google Patents
Externally welded stud type foundation ring facility of wind driven generator Download PDFInfo
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- CN210887281U CN210887281U CN201921674364.2U CN201921674364U CN210887281U CN 210887281 U CN210887281 U CN 210887281U CN 201921674364 U CN201921674364 U CN 201921674364U CN 210887281 U CN210887281 U CN 210887281U
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- foundation ring
- preformed hole
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Abstract
Aerogenerator welds stud formula foundation ring facility outward belongs to structural engineering technical field, welds stud foundation ring outward and perforation reinforcing bar crowd. The outer welding stud foundation ring comprises a preformed hole foundation ring, an outer welding stud group and a foundation flange plate, the foundation flange plate is welded to the lower end of the preformed hole foundation ring, and the outer welding stud group is welded to the outer ring of the preformed hole foundation ring. The perforated steel bar group comprises a horizontal section and a vertical section, and the horizontal section of the perforated steel bar group penetrates through a preformed hole of the preformed hole foundation ring. The utility model discloses a aerogenerator welds stud formula foundation ring facility outward has improved wind motor foundation ring and foundation basis cast in situ concrete interact power through welding multirow shear stud outward, and then promotes the stability and the disaster prevention ability of aerogenerator structure, has that the atress performance is strong, connection performance is good, the simple and convenient advantage of construction.
Description
Technical Field
The utility model relates to a aerogenerator welds stud formula foundation ring facility outward belongs to structural engineering technical field.
Background
The land wind generating set mainly comprises an upper engine room, a generator, blades, a tower, a wind turbine base and the like. The fan foundation needs to bear the axial load of the main cylinder structure, the eccentric load of the generator and the dynamic load of the blades during rotation, so that the stress mode is complex. In recent wind turbine disaster accidents, the damage ratio of the wind turbine foundation is large. The foundation ring is a key component for connecting the tower drum and the foundation, and the tight connection between the outer wall of the foundation ring and the cast-in-place concrete of the foundation is very important. Under the background, a foundation ring structure capable of improving interaction force with foundation cast-in-place concrete needs to be designed, and reference is provided for wind driven generator engineering.
Disclosure of Invention
The utility model aims at providing a aerogenerator welds studded foundation ring facility outward.
The utility model relates to an outer welding stud formula foundation ring facility of aerogenerator, including outer welding stud foundation ring 1, perforation reinforcing bar crowd 2, outer welding stud foundation ring 1 includes preformed hole foundation ring 11, outer welding stud crowd 12, basic flange plate 13, and basic flange plate 13 welds to the lower extreme of preformed hole foundation ring 11, and outer welding stud crowd 12 welds to the outer lane of preformed hole foundation ring 11; perforation reinforcing bar crowd 2, including perforation reinforcing bar crowd horizontal segment 21, perforation reinforcing bar crowd vertical section 22, perforation reinforcing bar crowd horizontal segment 21 passes the preformed hole of preformed hole foundation ring 11.
The utility model discloses an useful part is: the utility model discloses a aerogenerator welds stud formula foundation ring facility outward has improved wind motor foundation ring and foundation basis cast in situ concrete interact power through welding multirow shear stud outward, and then promotes the stability and the disaster prevention ability of aerogenerator structure, has that the atress performance is strong, connection performance is good, the simple and convenient advantage of construction.
Drawings
Fig. 1 is the utility model discloses an aerogenerator welds the studded bolt formula foundation ring facility schematic diagram outward, and fig. 2 is the studded bolt foundation ring schematic diagram outward, and fig. 3 is the studded bolt foundation ring concatenation schematic diagram outward, and fig. 4 is the utility model discloses a foundation ring facility's preformed hole foundation ring schematic diagram, fig. 5 is the utility model discloses a foundation ring facility's outer studded bolt schematic diagram that welds, fig. 6 is the plan view of fig. 5, and fig. 7 is the utility model discloses a foundation ring facility's basic flange board schematic diagram, fig. 8 is the utility model discloses a foundation ring facility's perforated steel bar crowd schematic diagram, fig. 9 is the utility model discloses a single reinforcing bar cross section schematic diagram of perforated steel bar crowd of foundation ring facility.
Detailed Description
As shown in fig. 1-9, the utility model relates to a wind-driven generator outer welding stud formula foundation ring facility, including outer welding stud foundation ring 1, perforation reinforcing bar crowd 2, outer welding stud foundation ring 1 includes preformed hole foundation ring 11, outer welding stud crowd 12, basic flange board 13, and basic flange board 13 welds to the lower extreme of preformed hole foundation ring 11, and outer welding stud crowd 12 welds to the outer lane of preformed hole foundation ring 11; perforation reinforcing bar crowd 2, including perforation reinforcing bar crowd horizontal segment 21, perforation reinforcing bar crowd vertical section 22, perforation reinforcing bar crowd horizontal segment 21 passes the preformed hole of preformed hole foundation ring 11.
As shown in FIG. 2, FIG. 3, FIG. 4, FIG. 7 and FIG. 9, the wall thickness of the stud-type foundation ring of the wind turbine generator outer welding foundation ring facility of the present invention is the wall thickness of the foundation ring 11 with the preformed holesd 11The diameter of the preformed hole foundation ring 11 is equal to the wall thickness of the tower cylinder of the wind driven generatorD 11Not less than the diameter of each steel bar of the perforated steel bar group 2d 25 times of that ofD 11≥5d 2。
As shown in fig. 2, 3, 5 and 6, the present inventionThe outer welding stud type foundation ring facility of the wind driven generator, the rod diameter of the outer welding stud group 12d 12Not less than 19mm, the length of the rod of the external welding stud group 12l 12Not less than 120mm, the diameter of the head of the stud group 12 for external weldingD 12Not less than 32mm, the head thickness of the stud group 12 for external weldingL 12Not less than 9.5 mm; the number of rows of the outer welding stud group 12 may be 1 to 6.
As shown in fig. 2, fig. 3, fig. 4, fig. 7, the utility model discloses a aerogenerator welds stud formula foundation ring facility outward, and basic flange board 13 welds to the lower extreme of preformed hole foundation ring 11, and the welded position of preformed hole foundation ring 11 corresponds at the center of basic flange board 13, and two sections overhanging section widths of welding completion back basic flange board 13 ared 13，d 13Not less than the wall thickness of the foundation ring 11 of the preformed holed 113 times of that, i.e.d 13≥3d 11。
Referring to fig. 2, 3, 4, 8 and 9, the horizontal section 21 and the vertical section 22 of the perforated steel bar group each have the same steel bar diameterd 2，d 2Is smaller than the diameter of the preformed hole foundation ring 11D 11。
As shown in fig. 2, fig. 3 and fig. 4, the utility model discloses a stud formula foundation ring facility is welded outward to aerogenerator, and basic flange plate 13 welds to the lower extreme of preformed hole foundation ring 11, and this welding process needs to adopt two-sided groove welding.
As shown in fig. 2, 3, 4, 5, 6, the utility model discloses a aerogenerator welds stud formula foundation ring facility outward, welds stud crowd 12 outward and need select the special stud of arc stud welding, welds the outer lane of stud crowd 12 welding to preformed hole foundation ring 11 outward, and this welding process needs to adopt automatic arc stud special welding machine to weld, need adopt porcelain ring or gas shield during the welding.
The utility model discloses a aerogenerator welds stud formula foundation ring facility outward, the type high strength stud that shears need be selected to outer welding stud crowd 12, and the yield strength of outer welding stud crowd 12 must not be less than 345MPa, and the tensile strength of outer welding stud crowd 12 must not be less than 415MPa, and the elongation of outer welding stud crowd 12 should be between 4% and 20%. The reserved hole foundation ring 11 and the foundation flange plate 13 should be made of high-strength steel with the same strength as that of the tower of the wind driven generator.
Claims (6)
1. The outer welding stud type foundation ring facility of the wind driven generator comprises an outer welding stud foundation ring (1) and a perforated steel bar group (2), and is characterized in that the outer welding stud foundation ring (1) comprises a preformed hole foundation ring (11), an outer welding stud group (12) and a foundation flange plate (13), the foundation flange plate (13) is welded to the lower end of the preformed hole foundation ring (11), and the outer welding stud group (12) is welded to the outer ring of the preformed hole foundation ring (11); perforation reinforcing bar crowd (2), including perforation reinforcing bar crowd horizontal segment (21), perforation reinforcing bar crowd vertical section (22), perforation reinforcing bar crowd horizontal segment (21) pass the preformed hole of preformed hole basis ring (11).
2. The wind turbine outer weld stud ring infrastructure of claim 1, wherein: wall thickness of the preformed hole foundation ring (11)d 11The wall thickness of the preformed hole foundation ring (11) is equal to that of the wind driven generator tower, and the diameter of the preformed hole is equal to that of the preformed hole foundation ringD 11Not less than the diameter of each steel bar of the perforated steel bar group (2)d 25 times of that ofD 11≥5d 2。
3. The wind turbine outer weld stud ring infrastructure of claim 1, wherein: rod diameter of outer welding stud group (12)d 12Not less than 19mm, the length of the rod of the external welding stud group (12)l 12Not less than 120mm, the diameter of the head part of the external welding stud group (12)D 12Not less than 32mm, the head thickness of the external welding stud group (12)L 12Not less than 9.5 mm; the number of rows of the outer welding stud group (12) can be 1-6.
4. The wind turbine outer weld stud ring infrastructure of claim 1, wherein: the welding position of the preformed hole foundation ring (11) corresponds to the center of the foundation flange plate (13), and the foundation flange plate (13) is weldedThe width of the two extending sections isd 13，d 13Not less than the wall thickness of the foundation ring (11) of the preformed holed 113 times of that, i.e.d 13≥3d 11。
5. The wind turbine outer weld stud ring infrastructure of claim 1, wherein: each steel bar of the horizontal section (21) and the vertical section (22) of the perforated steel bar group has the same steel bar diameterd 2，d 2Is smaller than the diameter of the preformed hole foundation ring (11)D 11。
6. The wind turbine outer weld stud ring infrastructure of claim 1, wherein: the outer welding stud group (12) needs to be selected from shear-resistant high-strength studs, and the elongation of the outer welding stud group (12) is between 4% and 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674364.2U CN210887281U (en) | 2019-10-09 | 2019-10-09 | Externally welded stud type foundation ring facility of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674364.2U CN210887281U (en) | 2019-10-09 | 2019-10-09 | Externally welded stud type foundation ring facility of wind driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN210887281U true CN210887281U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921674364.2U Active CN210887281U (en) | 2019-10-09 | 2019-10-09 | Externally welded stud type foundation ring facility of wind driven generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963383A (en) * | 2020-08-17 | 2020-11-20 | 上海电气风电集团股份有限公司 | Foundation ring and machining and construction method thereof |
-
2019
- 2019-10-09 CN CN201921674364.2U patent/CN210887281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963383A (en) * | 2020-08-17 | 2020-11-20 | 上海电气风电集团股份有限公司 | Foundation ring and machining and construction method thereof |
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