CN216465620U - Anti-deformation technology for blade root of wind power blade - Google Patents
Anti-deformation technology for blade root of wind power blade Download PDFInfo
- Publication number
- CN216465620U CN216465620U CN202122845545.0U CN202122845545U CN216465620U CN 216465620 U CN216465620 U CN 216465620U CN 202122845545 U CN202122845545 U CN 202122845545U CN 216465620 U CN216465620 U CN 216465620U
- Authority
- CN
- China
- Prior art keywords
- blade root
- flange ring
- wind power
- power blade
- 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.)
- Active
Links
Images
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides an anti-deformation technology for a wind power blade root, which comprises an embedded bolt sleeve, a flange ring and a mounting bolt, wherein the embedded bolt sleeve is integrally connected and fixed on the blade root of a wind power blade, a threaded hole for the mounting bolt to lock is formed in the embedded bolt sleeve, a plurality of through holes are formed in the flange ring, the mounting bolt penetrates through the through hole and is locked in the threaded hole, a positioning groove is formed in one end, close to the flange ring, of the embedded bolt sleeve, and a positioning protrusion matched with the positioning groove is formed in the flange ring. The deformation preventing device of the technical scheme can be quickly positioned, and the deformation of the blade root is reduced.
Description
Technical Field
The utility model relates to the technical field of wind power blades, in particular to a blade root deformation prevention technology of a wind power blade.
Background
The existing wind power blade has the problem that the blade root base circle is deformed due to expansion caused by heat and contraction caused by cold in the existing wind power blade demoulding. The repair time of the deformation of the blade root base circle in the post-treatment workshop is long, the difficulty is high, the labor is high, and the resources such as manpower and material resources in the blade industry are greatly wasted. With the updating and updating of the blade profile, the base circle of the blade root is gradually enlarged, the base circle of the blade profile can reach 5000mm in the future, and the deformation of the base circle of the blade after demoulding is more difficult to control.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a technology for preventing the deformation of a blade root for demoulding a wind power blade.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a wind-powered electricity generation blade root anti-deformation technique, includes buried bolt cover, flange ring sum construction bolt in advance, buried bolt cover body coupling is fixed on the blade root of wind-powered electricity generation blade in advance, be equipped with the screw hole that supplies construction bolt lock to go into in the buried bolt cover in advance, be equipped with a plurality of through-holes on the flange ring, construction bolt passes through-hole locking in the threaded hole, the buried bolt cover is close to the one end of flange ring and is equipped with positioning groove, be equipped with on the flange ring with positioning groove matched with location is protruding.
The utility model has the beneficial effects that: through set up positioning groove on the embedded bolt cover, set up the location arch on the flange ring, the flange ring can be fixed a position the blade root fast on, makes the blade root effectively supported, reduces the deflection of blade root, can improve the joint strength of embedded bolt cover and flange ring simultaneously, further prevents the deformation of wind-powered electricity generation blade root.
Preferably, the positioning groove is of a circular ring-shaped structure, and the structure of the positioning protrusion is matched with the positioning groove. Through adopting above-mentioned structure, it is more stable at positioning groove to enable the location arch to improve the connection stability of flange ring and buried bolt cover in advance, be convenient for simultaneously to positioning groove's processing.
Preferably, the outer peripheral wall of the embedded bolt sleeve is provided with a first limiting part for preventing the embedded bolt sleeve from moving along the axial direction. Through adopting above-mentioned structure, first spacing portion can support in the axial and lean on the blade root to prevent the axial displacement of buried bolt cover in advance.
Preferably, the outer peripheral wall of the embedded bolt sleeve is provided with a second limiting part for preventing the embedded bolt sleeve from rotating around the axis of the embedded bolt sleeve. Through adopting above-mentioned structure, the spacing portion of second can radially support and lean on the blade root to prevent that the buried bolt cover from rotating around self axis.
Preferably, the outer peripheral wall of the embedded bolt sleeve is provided with an external thread. Through adopting above-mentioned structure, not only can restrict the axial displacement of buried bolt cover in advance, can also prevent that buried bolt cover in advance from rotating along self axis, strengthening mounting bolt's locking effect.
Preferably, the flange ring further comprises a lifting piece, wherein the lifting piece is at least provided with two first connecting holes for the mounting bolts to pass through, the lifting piece is fixed on the flange ring through the mounting bolts, and the lifting piece is further provided with lifting holes. Through adopting above-mentioned structure for lifting by crane piece and flange ring releasable connection, the blade of being convenient for is moved after the blade drawing of patterns, keeps the indeformable of blade root simultaneously.
Preferably, the inner ring of the flange ring is connected with a reinforcing rib. Through adopting above-mentioned structure, can improve the structural strength of flange ring, prevent that the blade root after the blade drawing of patterns from warping.
Preferably, one side of the reinforcing rib close to the flange ring is provided with a second connecting hole, and the mounting bolt penetrates through the second connecting hole to fixedly connect the reinforcing rib and the flange ring. By adopting the structure, the reinforcing ribs can be detached from the flange ring, the universality of the flange ring is improved, and the continuous disassembly and assembly of the flange ring and the blades are prevented.
Drawings
FIG. 1 is a front view of a wind turbine blade root anti-deformation technique according to the present invention;
FIG. 2 is a partial cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 2;
FIG. 4 is a cross-sectional view of a buried bolt sleeve;
description of reference numerals:
1. a blade; 2. pre-burying a bolt sleeve; 21. a threaded hole; 22. a positioning groove; 23. an external thread; 3. a flange ring; 31. a through hole; 32. positioning the projection; 4. installing a bolt; 5. a hoisting member; 51. hoisting holes; 6. and reinforcing ribs.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1-4, the utility model provides a wind power blade root deformation prevention technology, which comprises an embedded bolt sleeve 2, a flange ring 3 and a mounting bolt 4, wherein the embedded bolt sleeve 2 is integrally connected and fixed on a blade root of a wind power blade 1, a threaded hole 21 for locking the mounting bolt 4 is formed in the embedded bolt sleeve 2, a plurality of through holes 31 are formed in the flange ring 3, the mounting bolt 4 penetrates through the through hole 31 and is locked in the threaded hole 21, a positioning groove 22 is formed in one end, close to the flange ring 3, of the embedded bolt sleeve 2, a positioning protrusion 32 matched with the positioning groove 22 is formed in the flange ring 3, the positioning groove 22 is of a circular ring structure, and the structure of the positioning protrusion 32 is matched with the positioning groove 22.
In order to prevent the embedded bolt sleeve 2 from moving along the axial direction, be equipped with on the periphery wall of embedded bolt sleeve 2 and be used for preventing its along the first spacing portion of axial displacement and be used for preventing its spacing portion of second around self axis pivoted, further, be equipped with external screw thread 23 on the periphery wall of embedded bolt sleeve 2, can strengthen the locking effect of construction bolt 4.
After the blade 1 is demolded, the blade 1 is deformed while being convenient to transfer, the flange ring 3 is connected with a lifting piece 5 through a mounting bolt 4, the lifting piece 5 is at least provided with two first connecting holes for the mounting bolt 4 to penetrate through, and the lifting piece 5 is further provided with a lifting hole 51.
In order to improve the structural strength of the flange ring 3, the inner ring of the flange ring 3 is connected with a reinforcing rib 6, the preferable connection mode is detachable connection, specifically, one side of the reinforcing rib, which is close to the flange ring 3, is provided with a second connection hole, and the mounting bolt 4 penetrates through the second connection hole to fixedly connect the reinforcing rib 6 with the flange ring 3.
The use process comprises the following steps: when the wind power blade 1 is produced and demolded, the flange ring 3 is fixedly connected with the embedded bolt sleeve 2 in the blade root through the mounting bolt 4, the flange ring 3 effectively supports the blade root, and after the blade 1 is demolded, the reinforcing rib 6 and the lifting piece 5 are connected to the inner ring of the flange ring 3, so that the deformation of the blade root is prevented when the blade is convenient to transfer.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (8)
1. The utility model provides a wind-powered electricity generation blade root anti-deformation technique, includes buried bolt cover (2), flange ring (3) and construction bolt (4) in advance, buried bolt cover (2) body coupling is fixed on the blade root in advance, be equipped with in buried bolt cover (2) and supply screw hole (21) that construction bolt (4) locked into, be equipped with a plurality of through-holes (31) on flange ring (3), construction bolt (4) pass through-hole (31) locking in screw hole (21), its characterized in that, the one end that buried bolt cover (2) are close to flange ring (3) in advance is equipped with positioning groove (22), be equipped with on flange ring (3) with positioning groove (22) matched with location is protruding (32).
2. The wind power blade root deformation prevention technology as claimed in claim 1, wherein the positioning groove (22) is of a circular ring structure, and the structure of the positioning protrusion (32) is matched with the positioning groove (22).
3. The wind power blade root deformation prevention technology as claimed in claim 1, wherein a first limiting portion for preventing the embedded bolt sleeve (2) from moving axially is arranged on the outer peripheral wall of the embedded bolt sleeve.
4. The wind power blade root deformation prevention technology as claimed in claim 1, wherein a second limiting portion for preventing the pre-buried bolt sleeve (2) from rotating around the axis of the pre-buried bolt sleeve is arranged on the outer peripheral wall of the pre-buried bolt sleeve.
5. The wind power blade root deformation prevention technology as claimed in any one of claims 3 or 4, wherein an external thread (23) is arranged on the outer peripheral wall of the embedded bolt sleeve (2).
6. The wind power blade root deformation prevention technology according to claim 1, further comprising a lifting piece (5), wherein the lifting piece (5) is provided with at least two first connection holes for the installation bolts (4) to pass through, the lifting piece is fixed on the flange ring (3) through the installation bolts (4), and the lifting piece (5) is further provided with lifting holes (51).
7. The wind power blade root deformation prevention technology according to claim 6, wherein the inner ring of the flange ring (3) is connected with a reinforcing rib (6).
8. The wind power blade root deformation prevention technology according to claim 7, wherein a second connecting hole is formed in one side, close to the flange ring (3), of the reinforcing rib (6), and the mounting bolt (4) penetrates through the second connecting hole to enable the reinforcing rib (6) to be fixedly connected with the flange ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845545.0U CN216465620U (en) | 2021-11-19 | 2021-11-19 | Anti-deformation technology for blade root of wind power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845545.0U CN216465620U (en) | 2021-11-19 | 2021-11-19 | Anti-deformation technology for blade root of wind power blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216465620U true CN216465620U (en) | 2022-05-10 |
Family
ID=81396927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122845545.0U Active CN216465620U (en) | 2021-11-19 | 2021-11-19 | Anti-deformation technology for blade root of wind power blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216465620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164022A (en) * | 2023-04-23 | 2023-05-26 | 新创碳谷集团有限公司 | Wind-powered electricity generation blade root bolt housing and blade root connection structure |
-
2021
- 2021-11-19 CN CN202122845545.0U patent/CN216465620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164022A (en) * | 2023-04-23 | 2023-05-26 | 新创碳谷集团有限公司 | Wind-powered electricity generation blade root bolt housing and blade root connection structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216465620U (en) | Anti-deformation technology for blade root of wind power blade | |
| CN102756019B (en) | Device for roundness adjustment and supporting of penstock | |
| CN210049990U (en) | Stay cable type tower, wind generating set and connecting piece | |
| EP2541049B1 (en) | Hub assembly for use with a wind turbine and method of making the same | |
| CN112780496A (en) | Tower, self-lifting method of tower and self-lifting equipment | |
| US20210108616A1 (en) | Handling of a wind turbine blade | |
| CN111661746B (en) | Lifting appliance | |
| EP3139032A1 (en) | Segmented rotor blade of a wind turbine | |
| CN203925894U (en) | A kind of flange or class flange reinforcing ring, linkage structure and wind power generating set | |
| CN109113938B (en) | Segmented variable-pitch bearing reinforcing flange for wind turbine generator and air installation method of segmented variable-pitch bearing reinforcing flange | |
| CN214460610U (en) | Formwork for inspection well reinforced concrete construction | |
| CN214169131U (en) | Split type basic template for large container | |
| CN210884923U (en) | Tool for hoisting stator of elevator traction machine | |
| CN109577323B (en) | Tubular pile reinforcing method | |
| CN220278829U (en) | Blade bolt hole correction device for wind turbine generator | |
| CN210068393U (en) | Device for positioning bolt of blade of wind turbine generator | |
| CN215233388U (en) | Stirring shaft for large stirring tank | |
| CN221236202U (en) | Built-in fitting for installing pressure regulating tower | |
| CN220015395U (en) | Bottom ring beam fixing device for integrated sleeve cage | |
| CN215979504U (en) | Corrosion-resistant blade structure for steam turbine | |
| CN219732889U (en) | Novel reinforced concrete building structure supports device | |
| CN110550542A (en) | Hoisting and mounting device for elastic sleeve of motor | |
| CN218934950U (en) | Single pile connecting flange piece | |
| CN219795453U (en) | Wind generating set tower section, tower section and wind generating set | |
| CN217778429U (en) | Novel cantilever supports connecting piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |