CN219262590U - Fender frame type wind power blade root manhole plate structure - Google Patents
Fender frame type wind power blade root manhole plate structure Download PDFInfo
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- CN219262590U CN219262590U CN202320879483.1U CN202320879483U CN219262590U CN 219262590 U CN219262590 U CN 219262590U CN 202320879483 U CN202320879483 U CN 202320879483U CN 219262590 U CN219262590 U CN 219262590U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a manhole plate structure of a blade root of a baffle frame type wind power blade, which comprises a manhole main plate, a square cover plate and baffle frame strips, wherein an integrally formed U-shaped opening baffle frame is arranged at the central position of the manhole main plate; when the edges of the square plates in the square cover plate assembly are provided with sealing rubber strips, the square cover plate can be in sealing connection with the manhole main plate; the manhole plate structure of the blade root of the baffle frame type wind power blade provided by the utility model also has the advantages of firm connection, safe use and the like.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a manhole plate structure of a blade root of a baffle frame type wind power blade.
Background
In the wind generating set blade, the manhole plate at the blade root mainly plays roles of enhancing the structural strength of the blade root, isolating foreign matters in the blade, facilitating maintenance personnel to enter the inner cavity of the blade for maintenance and the like. The manhole plate at the blade root of the blade of the conventional common wind generating set mainly has the following defects: (1) The manhole cover plate is fixed through the bolts pre-buried in the manhole main body, but when the manhole main body bears periodic load, the pre-buried bolts can bear corresponding shearing load, so that the pre-buried bolts can loose, fall off and other phenomena after a period of time, foreign matters are caused to fall into the whole machine, and the fallen foreign matters can be attracted with magnetic metal parts in the whole machine to cause whole machine accidents. (2) The center round hole area of the manhole plate main body replaces the manhole plate cover plate through the bonding baffle, but the bonding is often not firm enough, and the baffle is easy to fall off due to bonding failure after a period of time; in order to avoid weak adhesion of the rigid material due to gravity, the baffle is usually a flexible material, but the flexible material is generally difficult to prevent maintenance personnel from falling into the inner cavity of the blade, and safety accidents are easily caused.
Disclosure of Invention
First technical problem
In order to overcome the defects and shortcomings in the prior art, the utility model provides a blade root manhole plate structure of a baffle frame type wind power blade, which has the advantages of firm connection, safe use and the like.
(II) technical scheme
In order to achieve the technical purpose, the utility model provides the following technical scheme:
the utility model provides a fender frame wind-powered electricity generation blade root manhole plate structure, includes alone Kong Zhuban, a square apron subassembly and at least one fender frame strip, its characterized in that:
-the manhole main plate, which is disc-shaped as a whole, comprises a circular plate main body, wherein,
the outer edge of the circular plate main body is turned down and extends along the normal direction of the plate body to form an annular flange flanging, and the annular flange flanging is used for being connected with the side wall of the inner cavity at the blade root of the wind power blade;
a through manhole is arranged in the center of the top surface of the circular plate main body;
the top surface of the circular plate main body is also provided with a U-shaped opening baffle frame which is positioned at the periphery of the manhole and integrally formed on the circular plate main body, the U-shaped opening baffle frame comprises a bottom frame strip and two side frame strips which are symmetrically arranged, the cross section structures of the bottom frame strip and the side frame strips are identical, the cross section structures of the bottom frame strip and the side frame strips are half-open slot-shaped structures with the top edges turned inwards, and a square space with an opening at the front end is formed between the bottom frame strip and the side frame strips;
the square cover plate component is in a square plate shape, comprises a square plate, wherein,
the overall shape and the specification and the size of the square plate are matched with the square space surrounded by the U-shaped opening baffle frame;
the square plate comprises a rear edge, a front edge and two side edges positioned at the left side and the right side, wherein the rear edge is matched with a bottom frame strip of the U-shaped opening baffle frame, the left side and the right side are oppositely arranged and matched with two side frame strips of the U-shaped opening baffle frame, and the front edge and the rear edge are oppositely arranged;
the square plate is inserted into the side frame strips of the U-shaped opening blocking frame in a sliding and drawing manner through the edges of the left side and the right side of the square plate, and when the square plate is completely inserted into the U-shaped opening blocking frame, the rear edge of the square plate is inserted into the bottom frame strip of the U-shaped opening blocking frame;
the baffle frame strip is in a bent strip structure, and at least comprises a front baffle frame part and a side baffle frame part which are integrally formed, wherein,
the cross sections of the front baffle frame part and the side baffle frame part are the same as the cross section structure of the frame strip of the U-shaped opening baffle frame, and are of a half-open groove-shaped structure with the top edge turned inwards;
when the square cover plate is completely inserted into the U-shaped opening baffle frame, the baffle frame strips are fixedly connected with the corresponding side edges of the U-shaped opening baffle frame through connecting pieces through side edge baffle frame parts, and the front part baffle frame parts of the baffle frame strips are clamped and fixed with the front edges of the square plates.
Preferably, in the U-shaped opening baffle frame, a plurality of connection holes are respectively formed in the front end wall surfaces of the two side frame strips, and the connection holes in the two side frame strips are symmetrically arranged.
Further, two left-right symmetrical baffle frame strips are arranged in the manhole plate structure, a plurality of connecting holes are formed in the wall surface of the side baffle frame portion of each baffle frame strip, the baffle frame strips are in one-to-one correspondence with the connecting holes in the two side frame strips of the U-shaped opening baffle frame, and the baffle frame strips are fixedly connected with the U-shaped opening baffle frame through the connecting holes and the connecting pieces in one-to-one correspondence.
Further, the connecting piece is a bolt.
Preferably, the square cover plate further comprises sealing rubber strips, and sealing rubber strips are arranged on the edges of the square cover plate.
(III) technical effects
Compared with the prior art, the manhole plate structure of the blade root of the baffle frame type wind power blade comprises a manhole main plate, a square cover plate and baffle frame strips, wherein the U-shaped opening baffle frame which is integrally formed is arranged at the center of the manhole main plate, the square cover plate is inserted into the U-shaped opening baffle frame of the manhole main plate in a drawable manner, and when the square cover plate is completely arranged in the U-shaped opening baffle frame of the manhole main plate, the baffle frame strips are fixedly connected with the U-shaped opening baffle frame, so that the square cover plate is completely limited; when the edges of the square plates in the square cover plate assembly are provided with sealing rubber strips, the square cover plate can be in sealing connection with the manhole main plate; the manhole plate structure of the blade root of the baffle frame type wind power blade provided by the utility model also has the advantages of firm connection, safe use and the like.
Drawings
Fig. 1 is a schematic view of a manhole plate structure of a blade root of a frame type wind power blade.
Fig. 2 is a schematic three-dimensional structure of a person Kong Zhuban in the present utility model.
Fig. 3 is a top view of person Kong Zhuban in the present utility model.
Fig. 4 is a schematic view of section A-A of fig. 3.
Fig. 5 is a schematic view of section B-B of fig. 3.
Fig. 6 is a schematic three-dimensional structure of a square cover plate assembly according to the present utility model.
Fig. 7 is a schematic three-dimensional structure of a square plate in the square cap assembly.
Fig. 8 is a schematic three-dimensional structure of a baffle strip according to the present utility model.
Reference numerals illustrate:
manhole main plate 10, circular plate main body 11, annular flange turnup 12, manhole 13, U-shaped opening baffle frame 14, connecting hole 15, bottom frame strip 141, side frame strip 142, square cover plate assembly 20, square plate 21, rear edge 211, side edge 212, front edge 213, sealing rubber strip 22, baffle frame strip 30, front baffle frame portion 31, side baffle frame portion 32, connecting hole 33.
Detailed Description
For a better understanding of the present utility model, its contents are further illustrated below in conjunction with examples so that the advantages and features of the present utility model can be more readily understood by those skilled in the art. It should be noted that the following description is only a preferred embodiment of the present utility model, but the present utility model is not limited to the following embodiment. Indeed, it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the scope or spirit of the utility model. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield still a further embodiment. It is therefore intended that the present utility model include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
As shown in fig. 1, the manhole plate structure of the blade root of the frame type wind power blade of the present utility model includes a person Kong Zhuban, a square cover plate 20 and at least one frame strip 30 (two frame strips 30 are shown in the figure).
As shown in fig. 2 to 5, in the manhole plate structure of the blade root of the baffle frame type wind power blade, a main manhole plate 10 is in a disc shape as a whole and comprises a circular plate main body 11, wherein the outer edge of the circular plate main body 11 is downwards turned and extends along the normal direction of the plate body to form an annular flange turnup 12, and the annular flange turnup 12 is used for being connected with the side wall of an inner cavity at the blade root of the wind power blade; a through manhole 13 is arranged in the center of the top surface of the circular plate main body 11; the top surface of the circular plate main body 11 is also provided with a U-shaped opening baffle frame 14 which is positioned at the periphery of the manhole 13 and integrally formed on the circular plate main body 11, the U-shaped opening baffle frame 14 comprises a bottom frame strip 141 and two side frame strips 142 which are symmetrically arranged, the cross section structures of the bottom frame strip 141 and the side frame strips 142 are the same, the cross section structures of the bottom frame strip 141 and the side frame strips 142 are half-open groove-shaped structures with the top edges turned inwards, and a square space with an opening at the front end is formed between the bottom frame strip 141 and the side frame strips 142.
As shown in fig. 6 to 7, in the manhole plate structure of the blade root of the frame type wind power blade, the square cover plate assembly 20 is in a square plate shape as a whole and comprises a square plate 21, wherein the overall shape and the specification size of the square plate 21 are matched with a square space surrounded by the U-shaped opening frame 14; the square plate 21 comprises a rear edge 211, a front edge 213 and two side edges 212 positioned at the left side and the right side, wherein the rear edge 211 is matched with the bottom frame strip 141 of the U-shaped opening baffle frame 14, the left side edge 212 and the right side edge 212 are oppositely arranged and matched with the two side frame strips 142 of the U-shaped opening baffle frame 14, and the front edge 213 is oppositely arranged with the rear edge 211; the square plate 21 is slidably inserted into the side frame strips 142 of the U-shaped opening block frame 14 by the left and right side edges 212 thereof, and when the square plate 21 is completely inserted into the U-shaped opening block frame 14, the rear edge 211 of the square plate 21 is inserted into the bottom frame strip 141 of the U-shaped opening block frame 14.
As shown in fig. 8, in the manhole plate structure of the blade root of the wind turbine blade, the frame blocking strip 30 is in a bent strip structure, and at least comprises a front frame blocking part 31 and a side frame blocking part 32 which are integrally formed, wherein the cross sections of the front frame blocking part 31 and the side frame blocking part 32 are the same as the cross section of the frame strip of the U-shaped opening frame blocking 14, and are in a half-open groove structure with the top edge turned inwards; when the square cover plate 20 is fully inserted into the U-shaped opening blocking frame 14, the blocking frame strip 30 is fixedly connected with the side edge 212 of the corresponding U-shaped opening blocking frame 14 through the side blocking frame portion 32 thereof by a connecting piece, and the front blocking frame portion 31 of the blocking frame strip 30 is clamped with the front edge 213 of the square plate 21.
In the preferred embodiment of the present utility model, in the U-shaped opening baffle frame 14, a plurality of connection holes 15 are respectively provided on the front end wall surfaces of the two side frame strips 142, and the connection holes 15 on the two side frame strips 142 are symmetrically arranged. The manhole plate structure is provided with two left and right symmetrical baffle frame strips 30, the wall surface of the side baffle frame part 32 of each baffle frame strip 30 is provided with a plurality of connecting holes 33, the baffle frame strips 30 are in one-to-one correspondence with the connecting holes 15 on the two side frame strips 142 of the U-shaped opening baffle frame 14, and the baffle frame strips 30 are fixedly connected with the U-shaped opening baffle frame 14 through the connecting holes and the connecting pieces in one-to-one correspondence. The square cover plate 20 further comprises sealing rubber strips 22, and the sealing rubber strips 22 are arranged on the edges of the square plate 21.
According to the baffle frame type wind power blade root manhole plate structure, the U-shaped opening baffle frame 14 and the baffle frame strips 30 are perforated, so that the baffle frame can be fixed through bolts and are not blocked with the square cover plate assembly 20. The manhole main plate 10 is fixed at the corresponding position of the blade root. After the edges of the square plates 21 in the square cover plate assembly 20 are wrapped with sealing rubber strips 22, the sealing rubber strips are inserted in parallel along the U-shaped opening baffle frame 14, so that the square cover plate assembly 20 completely covers the manhole 13; the sealing rubber strip 22 is in full contact with the U-shaped opening block frame 14. The square cover assembly 20 should be smaller than the U-shaped opening block frame 14 and larger than the minimum dimension of the edge of the U-shaped opening block frame 14 to avoid the square cover assembly 20 falling off. The U-shaped opening stopper frame 14 and stopper frame strip 30 are fixed using bolts.
The object of the present utility model is fully effectively achieved by the above-described embodiments. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides a fender frame wind-powered electricity generation blade root manhole plate structure, includes alone Kong Zhuban, a square apron subassembly and at least one fender frame strip, its characterized in that:
the manhole main board is disc-shaped and comprises a circular plate main body, wherein,
the outer edge of the circular plate main body is turned down and extends along the normal direction of the plate body to form an annular flange flanging, and the annular flange flanging is used for being connected with the side wall of the inner cavity at the blade root of the wind power blade;
a through manhole is arranged in the center of the top surface of the circular plate main body;
the top surface of the circular plate main body is also provided with a U-shaped opening baffle frame which is positioned at the periphery of the manhole and integrally formed on the circular plate main body, the U-shaped opening baffle frame comprises a bottom frame strip and two side frame strips which are symmetrically arranged, the cross section structures of the bottom frame strip and the side frame strips are identical, the cross section structures of the bottom frame strip and the side frame strips are half-open slot-shaped structures with the top edges turned inwards, and a square space with an opening at the front end is formed between the bottom frame strip and the side frame strips;
the square cover plate component is in a square plate shape, comprises a square plate, wherein,
the overall shape and the specification and the size of the square plate are matched with the square space surrounded by the U-shaped opening baffle frame;
the square plate comprises a rear edge, a front edge and two side edges positioned at the left side and the right side, wherein the rear edge is matched with a bottom frame strip of the U-shaped opening baffle frame, the left side and the right side are oppositely arranged and matched with two side frame strips of the U-shaped opening baffle frame, and the front edge and the rear edge are oppositely arranged;
the square plate is inserted into the side frame strips of the U-shaped opening blocking frame in a sliding and drawing manner through the edges of the left side and the right side of the square plate, and when the square plate is completely inserted into the U-shaped opening blocking frame, the rear edge of the square plate is inserted into the bottom frame strip of the U-shaped opening blocking frame;
the baffle frame strip is of a bent strip structure integrally and at least comprises a front baffle frame part and a side baffle frame part which are integrally formed, wherein,
the cross sections of the front baffle frame part and the side baffle frame part are the same as the cross section structure of the frame strip of the U-shaped opening baffle frame, and are of a half-open groove-shaped structure with the top edge turned inwards;
when the square cover plate is completely inserted into the U-shaped opening baffle frame, the baffle frame strips are fixedly connected with the corresponding side edges of the U-shaped opening baffle frame through connecting pieces through side edge baffle frame parts, and the front part baffle frame parts of the baffle frame strips are clamped and fixed with the front edges of the square plates.
2. The baffle frame type wind power blade root manhole plate structure according to claim 1, wherein: in the U-shaped opening baffle frame, a plurality of connecting holes are respectively formed in the front end wall surfaces of the two side frame strips, and the connecting holes in the two side frame strips are symmetrically arranged.
3. The baffle frame type wind power blade root manhole plate structure according to claim 2, wherein: the manhole plate structure is characterized in that two left-right symmetrical baffle frame strips are arranged in the manhole plate structure, a plurality of connecting holes are formed in the wall surface of the side baffle frame part of each baffle frame strip, the baffle frame strips are in one-to-one correspondence with the connecting holes on the two side frame strips of the U-shaped opening baffle frame, and the baffle frame strips are fixedly connected with the U-shaped opening baffle frame through the connecting holes and the connecting pieces in one-to-one correspondence.
4. A fender frame type wind power blade root manhole plate structure according to claim 3, wherein: the connecting piece is a bolt.
5. The baffle frame type wind power blade root manhole plate structure according to claim 1, wherein: the square cover plate further comprises sealing rubber strips, and sealing rubber strips are arranged on the edges of the square cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320879483.1U CN219262590U (en) | 2023-04-19 | 2023-04-19 | Fender frame type wind power blade root manhole plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320879483.1U CN219262590U (en) | 2023-04-19 | 2023-04-19 | Fender frame type wind power blade root manhole plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219262590U true CN219262590U (en) | 2023-06-27 |
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ID=86855458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320879483.1U Active CN219262590U (en) | 2023-04-19 | 2023-04-19 | Fender frame type wind power blade root manhole plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219262590U (en) |
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2023
- 2023-04-19 CN CN202320879483.1U patent/CN219262590U/en active Active
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