CN216951188U - Wind power blade root end embedded threaded sleeve - Google Patents
Wind power blade root end embedded threaded sleeve Download PDFInfo
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- CN216951188U CN216951188U CN202123214072.0U CN202123214072U CN216951188U CN 216951188 U CN216951188 U CN 216951188U CN 202123214072 U CN202123214072 U CN 202123214072U CN 216951188 U CN216951188 U CN 216951188U
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- mounting groove
- connecting hole
- blade root
- power blade
- wind power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a wind power blade root end embedded barrel, which comprises a barrel body, a sealing plug and a sealing ring, wherein a through connecting hole is formed in the barrel body, the connecting hole comprises an installation groove, the installation groove is positioned at the end part of the barrel body, the sealing plug and the installation groove are both cylindrical, the sealing plug is matched with the installation groove and is connected in the installation groove, the sealing plug is pressed between the sealing plug and the barrel body, and the outer surface of the barrel body is provided with an uneven anti-slip part. Resin entering into the connecting hole is effectively avoided, the quality stability of the embedded threaded sleeve at the root end of the wind power blade is improved, and the manufacturing quality of the wind power blade is guaranteed. Meanwhile, the phenomenon of offset and dislocation of the embedded thread insert at the root end of the wind power blade in the using process is effectively avoided, and the stability of the embedded thread insert at the root end of the wind power blade is greatly improved.
Description
Technical Field
The utility model relates to a wind power blade root end embedded threaded sleeve.
Background
With the rapid development of the wind power blade industry, the root end connection mode of the wind power blade is that a hole is formed in the root of the blade before, and a transverse nut is in threaded connection with a longitudinal screw rod, so that a mode that a pre-buried threaded sleeve is in threaded connection with the screw rod is developed.
The thread insert connected with the blade root end is formed in a pre-buried mode, so that the blade-type pre-buried thread insert is introduced, in the blade forming process, the thread insert and the cloth layer which are connected are integrally laid when the main mold shell is layered, and through vacuum infusion, epoxy resin infusion and curing forming are performed. Because the inner side of the thread insert is provided with the connecting thread, once resin enters, the thread connection of the thread insert can be damaged after the resin is cured, so that the resin cannot enter the embedded thread insert in the pouring process. Meanwhile, the embedded thread insert needs to be in threaded connection with a high-strength screw, and when the wind power blade is used in a severe environment, the embedded thread insert is prone to offset and dislocation at the root end of the blade, so that poor connection stability is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a wind power blade root end embedded thread sleeve.
The utility model is realized by the following technical scheme:
the utility model provides a pre-buried swivel nut of wind-powered electricity generation blade root end, its includes swivel nut body, sealed end cap and sealing washer, this internal connecting hole that runs through that has of swivel nut, the connecting hole is including the mounting groove, the mounting groove is located the tip of swivel nut body, sealed end cap with the shape of mounting groove all is the cylinder, sealed end cap with mounting groove looks adaptation, just sealed end cap connect in the mounting groove, the sealing washer pressure is located sealed end cap with between the swivel nut body, so that have in the connecting hole the one end of mounting groove is passed through sealed end cap with the sealing washer does not communicate with the outside, the surface of swivel nut body has unevenness's anti-skidding portion.
Furthermore, a sealant is arranged between the screw sleeve body and the sealing plug.
Further, the connecting hole still includes threaded connection hole, the mounting groove is located the one end of threaded connection hole, just the threaded connection hole with the mounting groove is linked together, the internal diameter of threaded connection hole is less than the internal diameter of mounting groove, so that the tank bottom of mounting groove is formed with and supports to the binding face.
Furthermore, the connecting hole further comprises a positioning hole, the positioning hole and the mounting groove are respectively located at two ends of the threaded connecting hole, the positioning hole, the threaded connecting hole and the mounting groove are communicated, the positioning hole extends inwards from one end, back to the mounting groove, of the screw sleeve body, and the inner diameter of the positioning hole is larger than that of the threaded connecting hole.
Furthermore, an inclined guide surface is arranged between the positioning hole and the threaded connecting hole.
Further, the inclined angle of the inclined guide surface is 45 degrees.
Furthermore, the anti-skidding portion comprises a plurality of concave rings, the concave rings are arranged on the outer surface of the thread sleeve body at intervals, and the cross section of each concave ring is semicircular.
Further, the outer surface of the thread insert body is provided with at least one anti-rotation part.
Furthermore, the inner wall surface of the mounting groove is provided with an inward-concave positioning groove, the sealing ring is embedded in the positioning groove, and the inner wall surface of the sealing ring is abutted against and attached to the outer surface of the sealing plug.
Furthermore, the outer surfaces of the thread sleeve body and the sealing plug are provided with anticorrosive layers.
The utility model has the beneficial effects that: the sealing plug and the sealing ring are arranged in the mounting groove to seal the port of the screw sleeve body, so that resin entering into the connecting hole is effectively avoided, the quality stability of the pre-buried screw sleeve at the root end of the wind power blade is improved, and the manufacturing quality of the wind power blade is ensured. Meanwhile, the structural connection strength can be effectively enhanced through the anti-skid part, the phenomenon of offset and dislocation of the wind power blade root end embedded screw sleeve in the using process is effectively avoided, and the stability of the wind power blade root end embedded screw sleeve is greatly improved.
Drawings
Fig. 1 is a schematic view of an internal structure of a wind power blade root end embedded threaded sleeve according to an embodiment of the utility model.
Fig. 2 is an exploded structural schematic diagram of a wind power blade root end embedded threaded sleeve according to an embodiment of the utility model.
Fig. 3 is a schematic structural view of a thread insert body of a wind turbine blade root end embedded thread insert according to an embodiment of the present invention.
Description of reference numerals:
Connecting hole 11
Threaded connection bore 112
Inclined guide surface 114
Non-slip part 12
Sealing plug 2
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the utility model may be practiced.
As shown in fig. 1, fig. 2 and fig. 3, this embodiment discloses a pre-buried swivel nut of wind turbine blade root, this pre-buried swivel nut of wind turbine blade root includes swivel nut body 1, sealed end cap 2 and sealing washer 3, connecting hole 11 that runs through has in the swivel nut body 1, connecting hole 11 is including mounting groove 111, mounting groove 111 is located the tip of swivel nut body 1, the shape of sealed end cap 2 and mounting groove 111 all is the cylinder, sealed end cap 2 and mounting groove 111 looks adaptation, and sealed end cap 2 connects in mounting groove 111, sealing washer 3 is pressed and is located between sealed end cap 2 and the swivel nut body 1, so that the one end that has mounting groove 111 in the connecting hole 11 does not communicate with the outside through sealed end cap 2 and sealing washer 3, the surface of swivel nut body 1 has unevenness anti-skidding portion 12.
The sealing plug 2 and the mounting groove 111 are both cylindrical, the sealing plug 2 is matched with the mounting groove 111, the sealing plug 2 is arranged in the mounting groove 111, the mounting groove 111 is filled, and the end of the connecting hole 11 is plugged; the sealing ring 3 is pressed between the sealing plug 2 and the thread sleeve body 1, so that the sealing effect between the sealing plug 2 and the thread sleeve body 1 is further enhanced; with sealed end cap 2 and sealing washer 3 setting in order to realize sealed to the port of swivel nut body 1 in mounting groove 111, effectively avoided getting into the resin in the connecting hole 11, promoted the quality stability of the pre-buried swivel nut of wind-powered electricity generation blade root end, guaranteed the preparation quality of wind-powered electricity generation blade. Simultaneously, the swivel nut body 1 will closely laminate through unevenness antiskid portion 12 and blade root and lean on, and increased the area of contact between swivel nut body 1 and the blade root, effectively strengthened the joint strength between swivel nut body 1 and the blade root, effectively avoided the pre-buried swivel nut of wind-powered electricity generation blade root to produce the skew dislocation phenomenon at the in-process that uses, improved the stability of the pre-buried swivel nut of wind-powered electricity generation blade root greatly.
In this embodiment, a sealant is disposed between the screw sleeve body 1 and the sealing plug 2. Sealing plug 2 is through sealed sealing connection between sealed glue and the swivel nut body 1 for sealing plug 2 is connected in mounting groove 111 through sealed glue, has strengthened the sealed effect between sealing plug 2 and the swivel nut body 1 greatly, has effectively avoided getting into the resin in the connecting hole 11, has promoted the quality stability of the pre-buried swivel nut of wind-powered electricity generation blade root end, has guaranteed the preparation quality of wind-powered electricity generation blade.
The connecting hole 11 further includes a threaded connecting hole 112, the mounting groove 111 is located at one end of the threaded connecting hole 112, the threaded connecting hole 112 is communicated with the mounting groove 111, and the inner diameter of the threaded connecting hole 112 is smaller than that of the mounting groove 111, so that an abutting surface is formed at the bottom of the mounting groove 111. The inner diameter through threaded connection hole 112 is less than the inner diameter of mounting groove 111, and sealed end cap 2 inserts in mounting groove 111 and supports and lean on the binding face to lean on each other laminating for sealed end cap 2 is installed accurately and is targetting in place, and it is very convenient to use, and simple structure, and the processing preparation is very convenient. Meanwhile, the sealing of the sealing plug 2 and the sealing ring 3 prevents resin from entering the threaded connection hole 112 through the mounting groove 111, so that the quality stability of the embedded threaded sleeve at the root end of the wind power blade is improved, and the manufacturing quality of the wind power blade is ensured.
The connecting hole 11 further includes a positioning hole 113, the positioning hole 113 and the mounting groove 111 are respectively located at two ends of the threaded connecting hole 112, the positioning hole 113, the threaded connecting hole 112 and the mounting groove 111 are communicated with each other, the positioning hole 113 extends inwards from one end of the thread insert body 1 facing away from the mounting groove 111, and the inner diameter of the positioning hole 113 is larger than the inner diameter of the threaded connecting hole 112. The inner diameter of the positioning hole 113 is larger than that of the thread connecting hole 112, so that the screw rod can be conveniently inserted into the screw sleeve body 1, and the use is very convenient. Meanwhile, the structure is simple, and the processing and the manufacturing are very convenient.
In the present embodiment, an inclined guide surface 114 is provided between the positioning hole 113 and the threaded connection hole 112. The inclined guide surface 114 has a guiding function, so that the screw inserted into the positioning hole 113 is smoothly inserted into the threaded connection hole 112 through the inclined guide surface 114 and is connected with the threaded connection hole 112, and the use is very convenient. Preferably, the inclined guide surface 114 is inclined at an angle of 45 degrees.
In this embodiment, the anti-slip portion 12 includes a plurality of concave rings, the concave rings are disposed on the outer surface of the thread insert body 1 at intervals, and the cross-sectional shape of the concave rings is semicircular. Make swivel nut body 1 can not follow its axial displacement in the blade root end through a plurality of concave ring, effectively avoided swivel nut body 1 to break away from out in the blade root end, improved the stability of the pre-buried swivel nut of wind-powered electricity generation blade root end greatly. Meanwhile, the structure is simple, and the processing and the manufacturing are very convenient.
The outer surface of the thread insert body 1 is also provided with at least one rotation prevention part 13. Prevent that portion 13 changes has the function of preventing changeing, prevents that portion 13 will closely laminate in the blade root for swivel nut body 1 can not follow its axial rotation removal at the blade root, has effectively avoided the pre-buried swivel nut of wind-powered electricity generation blade root to produce the skew dislocation phenomenon at the in-process that uses, has improved the stability of the pre-buried swivel nut of wind-powered electricity generation blade root greatly. In the present embodiment, the number of the rotation preventing portions 13 is two.
The internal face of mounting groove 111 has inside sunken constant head tank, and sealing washer 3 inlays and locates in the constant head tank, and the internal face of sealing washer 3 supports to lean on the laminating on sealed end cap 2's surface. The positioning groove has a positioning limiting function, and the sealing ring 3 can be accurately positioned and installed by arranging the sealing ring 3 in the positioning groove; meanwhile, the phenomenon of offset and dislocation of the sealing ring 3 in the using process is effectively avoided, and the stability of the embedded thread sleeve at the root end of the wind power blade is greatly improved.
The outer surfaces of the thread sleeve body 1 and the sealing plug 2 are both provided with anticorrosive coatings. The hardness of the screw sleeve body 1 and the sealed plug 2 can be effectively increased through the anticorrosive coating, and the wear resistance, corrosion resistance and seizure resistance of the screw sleeve body 1 and the sealed plug 2 are improved. The outer surfaces of the screw sleeve body 1 and the sealing plug 2 can be subjected to Dacromet treatment, and the thickness of the anticorrosive coating is larger than 0.01 mm.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.
Claims (10)
1. The utility model provides a pre-buried swivel nut of wind-powered electricity generation blade root end, its characterized in that, it includes swivel nut body, sealed end cap and sealing washer, this internal connecting hole that runs through that has of swivel nut, the connecting hole is including the mounting groove, the mounting groove is located the tip of swivel nut body, sealed end cap with the shape of mounting groove all is the cylinder, sealed end cap with mounting groove looks adaptation, just sealed end cap connect in the mounting groove, the sealing washer pressure is located sealed end cap with between the swivel nut body, so that have in the connecting hole the one end of mounting groove passes through sealed end cap with the sealing washer does not communicate with the outside, the surface of swivel nut body has unevenness anti-skidding portion.
2. The wind power blade root end embedded threaded sleeve according to claim 1, wherein a sealant is arranged between the threaded sleeve body and the sealing plug.
3. The wind turbine blade root end embedded thread insert according to claim 1, wherein the connecting hole further comprises a threaded connecting hole, the mounting groove is located at one end of the threaded connecting hole, the threaded connecting hole is communicated with the mounting groove, and the inner diameter of the threaded connecting hole is smaller than that of the mounting groove, so that an abutting surface is formed at the bottom of the mounting groove.
4. The wind-power blade root-end embedded thread insert according to claim 3, wherein the connecting hole further comprises a positioning hole, the positioning hole and the mounting groove are respectively located at two ends of the threaded connecting hole, the positioning hole, the threaded connecting hole and the mounting groove are communicated with each other, the positioning hole extends inwards from one end of the thread insert body, which is back to the mounting groove, and the inner diameter of the positioning hole is larger than the inner diameter of the threaded connecting hole.
5. The wind-power blade root-end embedded threaded sleeve according to claim 4, wherein an inclined guide surface is arranged between the positioning hole and the threaded connecting hole.
6. The wind power blade root end embedded threaded sleeve according to claim 5, wherein the inclination angle of the inclined guide surface is 45 degrees.
7. The wind power blade root end embedded thread insert according to claim 1, wherein the anti-slip portion comprises a plurality of concave rings, the plurality of concave rings are arranged on the outer surface of the thread insert body at intervals, and the cross section of each concave ring is semicircular.
8. The wind power blade root end embedded thread insert of claim 1, wherein the outer surface of the thread insert body is further provided with at least one anti-rotation portion.
9. The wind power blade root end embedded threaded sleeve according to claim 1, wherein an inward-recessed positioning groove is formed in the inner wall surface of the mounting groove, the sealing ring is embedded in the positioning groove, and the inner wall surface of the sealing ring abuts against and is attached to the outer surface of the sealing plug.
10. The wind power blade root end embedded threaded sleeve according to claim 1, wherein the outer surfaces of the threaded sleeve body and the sealing plug are provided with anticorrosive coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123214072.0U CN216951188U (en) | 2021-12-20 | 2021-12-20 | Wind power blade root end embedded threaded sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123214072.0U CN216951188U (en) | 2021-12-20 | 2021-12-20 | Wind power blade root end embedded threaded sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951188U true CN216951188U (en) | 2022-07-12 |
Family
ID=82311229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123214072.0U Active CN216951188U (en) | 2021-12-20 | 2021-12-20 | Wind power blade root end embedded threaded sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951188U (en) |
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2021
- 2021-12-20 CN CN202123214072.0U patent/CN216951188U/en active Active
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