CN211287979U - Root platform structure of wind power blade and wind power blade comprising same - Google Patents
Root platform structure of wind power blade and wind power blade comprising same Download PDFInfo
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- CN211287979U CN211287979U CN202020010299.XU CN202020010299U CN211287979U CN 211287979 U CN211287979 U CN 211287979U CN 202020010299 U CN202020010299 U CN 202020010299U CN 211287979 U CN211287979 U CN 211287979U
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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 discloses a wind turbine blade's root platform structure reaches wind turbine blade including it belongs to the wind turbine generator system field, including guide rail and concatenation root platform, concatenation root platform includes at least one root platform fixed plate and at least one root platform slide, wherein: the guide rail is used for being installed on the inner wall of the wind power blade, and the shape of the guide rail is arc-shaped or annular; the root platform fixing plate is used for being fixedly installed on the inner wall of the wind power blade, is matched and lapped with the root platform sliding plate to form the root platform, and the root platform is opened and closed through sliding of the root platform sliding plate. The utility model discloses in embedding the prefabricated guide rail of root platform slide board blade root inner wall, form respectively and partly surround the structure and can effectively release stress, the root platform slide board can be followed circumference and slided to form access passage's switch, solve the root platform junction and turn white the problem of splitting and manhole cover connecting bolt damage.
Description
Technical Field
The utility model relates to a wind turbine generator system field especially relates to a root platform structure of wind-powered electricity generation blade and wind-powered electricity generation blade including it.
Background
The blade root part of the wind driven generator blade is provided with a root part platform, and 1 to 2 openable manhole covers are arranged on the root part platform. The root platform has the main functions of preventing residual adhesive fragments and deposited dust in the blade from entering the hub and influencing the operation of electric devices; secondly, a support platform is provided for maintaining the blade root bolt and electric devices in the hub; and thirdly, a passage for detecting and repairing the inner cavity of the blade is provided for a maintenance worker.
In the prior art, a root platform is in full-surrounding connection with the inner wall of a blade root mainly through an adhesive and L-shaped hand lay-up layers on two sides, and a manhole cover is connected with the root platform through bolts and sealant. As the blade root load is larger and larger along with the continuous increase of the size of the blade, the deformation of the root platform is limited and is not enough to release stress, the connection part of the root platform and the inner wall of the blade root is always whitened and cracked, and the connecting bolt of the manhole cover is damaged. If the fan is not found or maintained in time, great risks are generated to the operation and maintenance safety of the fan. Therefore, there is a need to develop a blade root platform structure and mounting method that is easy to operate, efficient, reliable, and crack resistant based on the prior art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a root platform structure of wind-powered electricity generation blade of easy operation, high efficiency, high reliability, prevent fracture and reach wind-powered electricity generation blade including it.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
in one aspect, the utility model provides a wind-powered electricity generation blade's root platform structure, including guide rail and concatenation root platform, concatenation root platform includes at least one root platform fixed plate and at least one root platform slide, wherein:
the guide rail is used for being installed on the inner wall of the wind power blade, the guide rail is arc-shaped or annular, and a clamping groove is formed in the guide rail;
the root platform sliding plate is embedded into the clamping groove and can slide on the guide rail along the circumferential direction;
the root platform fixing plate is fixedly installed on the inner wall of the wind power blade, the root platform is formed by matching and lapping the root platform sliding plates, and the root platform is opened and closed through sliding of the root platform sliding plates.
Further, the root platform sliding plate is semicircular, arched, crescent or elliptical.
Further, the root platform sliding plate is arched, which means a shape narrower or wider than a semicircle, and may also be arched with a radian.
Further, the cross section of the root platform sliding plate is T-shaped, L-shaped, U-shaped or omega-shaped.
Further, the lap joint overlapping part of the root platform fixing plate and the root platform sliding plate is at least 1 cm.
Furthermore, two ends of a splicing seam of the root platform fixing plate and the root platform sliding plate are provided with a chain lock catch or a hasp; or the corresponding position of the root platform sliding plate and the inner wall of the blade root is provided with a chain lock catch or a hasp.
Furthermore, the blade support device also comprises a plurality of guide rail brackets for supporting the guide rails, and the guide rail brackets are arranged below the guide rails and fixed on the inner wall of the blade.
Furthermore, a handle is arranged on the root platform sliding plate and generally located in the radius from the circle center 1/4-3/4.
Furthermore, part of the guide rails are located below the root platform fixing plate in parallel, the distance is 1-30mm, and a gap is reserved at the lap joint of the root platform sliding plate.
Further, the guide rail includes first guide rail and the second guide rail that is located same circumference, first guide rail parallel position is in root platform fixed plate below, and the interval is 1 ~ 30 mm.
Further, the spliced shape of the spliced root platform is circular.
Further, the guide rail and the root platform fixing plate are both installed on the inner wall of the blade through adhesives.
Furthermore, the blade also comprises an L-shaped adhesive tape which is respectively connected with the root platform fixing plate and the inner wall of the blade through two L-shaped side walls.
Furthermore, a limiting block is arranged on the guide rail and used for limiting the rotation range of the root platform sliding plate.
On the other hand, provide a wind-powered electricity generation blade, include wind-powered electricity generation blade's root platform structure, the equal fixed mounting of root platform fixed plate, guide rail is on blade inner wall, root platform sliding plate passes through the sliding block and slides with the guide rail draw-in groove cooperation, realizes opening and shutting of root platform.
After adopting such design, the utility model discloses following advantage has at least:
(1) the utility model discloses fall into 2 at least parts with root platform, divide into root platform fixed plate and root platform slide, fix the root platform fixed plate on the blade root inner wall, with root platform slide embedding blade root inner wall prefabricated guide rail in, form respectively and partly surround the structure and can effectively release stress, root platform slide can follow circumference and slide to form the switch of maintenance passageway, solve root platform junction whitening fracture and the damaged problem of manhole cover connecting bolt.
(2) The utility model discloses the root platform structure that makes is suitable for different blade types, especially to the blade of jumbo size blade root, and the effect is more showing, solves the blade because of blade root junction damage or the not smooth produced fragment damage electrical components of manhole cover switch or maintenance time supernormal etc. influence the hidden danger of unit operation.
(3) The utility model discloses with the root platform piecemeal, monolithic root platform is by partly surrounding, and root platform stress can effectively release, has avoided the damage of the junction of root platform and blade root inner wall. The sliding of the root platform replaces the dismounting of bolts to open the manhole cover, the channel is more smooth and convenient, the damage of the bolts is avoided, and the opening and closing of the blade root passage are simple and efficient. And a proper gap is formed between each group of root platforms, so that the problem of pressure difference between the inner cavity and the outer side of the blade during operation can be solved, and an exhaust hole is not required to be additionally arranged on each root platform.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
FIG. 1 is a schematic top view of an embodiment of a root platform structure of the present invention mounted to a blade root;
FIG. 2 is a schematic sectional view of A-A;
wherein, 1, a root platform fixing plate; 2. a root platform glide plate; 3. a blade; 4. an adhesive; 5. an adhesive tape; 6. guide rail, 7, hasp, 8, handle, 9, guide rail support.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The utility model provides an embodiment of wind-powered electricity generation blade's root platform structure, as shown in fig. 1, fig. 2, including guide rail 6 and concatenation root platform, concatenation root platform includes 1 and at least one root platform slide 2 of at least one root platform fixed plate, wherein: the guide rail 6 is used for being installed on the inner wall of the wind power blade 3, the guide rail 6 is arc-shaped or annular, and a clamping groove is formed in the guide rail 6; the root platform sliding plate is embedded into the clamping groove, and the root platform sliding plate 2 can slide on the guide rail along the circumferential direction; the root platform sliding plate 2 can relatively slide on the guide rail 6 along the circumferential direction; root platform fixed plate 1 is used for fixed mounting on 3 inner walls of wind-powered electricity generation blades, and with root platform sliding plate cooperation overlap joint makeup root platform, slide through root platform sliding plate 2 realizes opening and shutting of root platform.
The utility model discloses when using, fix the root platform fixed plate on the blade root inner wall, with root platform slide board embedding blade root inner wall prefabricated guide rail in, form respectively and partly surround the structure and can effectively release stress, the root platform slide board can be followed circumference and slided to form access way's switch, solve the problem that root platform junction whine splitting and manhole cover connecting bolt are damaged.
Generally, the root platform fixed plate can be one or more, can install in succession, also can interval cross installation, and root platform sliding plate also can be one or more, makes the sliding plate have less volume and weight during a plurality of root platform sliding plates, and convenient operation wants to agree with the blade inner wall with the characters after all root platform fixed plates, root platform sliding plate concatenation, generally for circular.
In one embodiment, the root platform glide plate 2 may be semi-circular (as shown in fig. 1), arcuate, crescent or elliptical. Correspondingly, when the root platform sliding plate is semicircular, the root platform fixing plate is also generally semicircular; when the root platform sliding plate is arched, the root platform sliding plate is narrower or wider than a semicircle, or is arched with radian, and the root platform fixing plate can be spliced and supplemented with the root platform sliding plate to form a circle; when the root platform sliding plate is crescent, the root platform fixing plate can be oval.
In an embodiment, root platform sliding plate 2 can include the sliding plate and establish the sliding block in sliding plate one end and draw-in groove cooperation screens, and the sliding block is connected with the sliding plate cooperation, and the root platform sliding plate 2's of constitution cross sectional shape can be T type, L type, U type or omega type, imbeds it in the guide rail draw-in groove, has both accomplished the installation of root platform sliding plate, also enables the sliding block of root platform sliding plate and slides in the guide rail draw-in groove, realizes opening and shutting of root platform.
In order to make the spliced root platform more stable, the lap joint overlapping part of the root platform fixing plate 1 and the root platform sliding plate 2 is at least 1 cm.
As an improvement, two ends of a splicing seam of the root platform fixing plate 1 and the root platform sliding plate 2 are provided with a chain lock catch 7 or a hasp; or the corresponding position of the root platform sliding plate 2 and the inner wall of the blade root is provided with a chain lock catch 7 or a hasp. The root platforms are prevented from being staggered in the non-overhaul period.
In order to make the installed guide rail more firm, a plurality of guide rail brackets 9 for supporting the guide rail 6 are further included, for being installed under the guide rail 6 and fixed on the inner wall of the blade 3.
As one kind, the root platform sliding plate 2 is provided with a handle 8, and the handle 8 is generally positioned in a radius from the circle center 1/4-3/4, so that the root platform sliding plate can be conveniently pushed manually.
Further, part of the guide rails 6 are located below the root platform fixing plate 1 in parallel, the distance is 1-30mm, and a gap is reserved at the lap joint of the root platform sliding plate 2.
Further, the guide rail 6 comprises a first guide rail 6 and a second guide rail 6 which are located on the same circumference, the first guide rail 6 is located below the root platform fixing plate 1 in parallel, and the distance is 1-30 mm.
Furthermore, a limiting block is arranged on the guide rail 6 and used for limiting the rotation range of the root platform sliding plate 2.
On the other hand, provide a wind-powered electricity generation blade, including foretell wind-powered electricity generation blade 3's root platform structure, root platform fixed plate 1, the equal fixed mounting of guide rail are on 3 inner walls of blade, and root platform slide block 2 passes through the sliding block and slides with the guide rail draw-in groove cooperation, realizes opening and shutting of root platform.
The utility model discloses a root platform structure and mounting method of wind-powered electricity generation blade specifically as follows:
(1) a root platform structure. Three aspects are as follows: (a) the thickness of the root platform exceeds 3mm, and the root platform can be a reinforced glass fiber reinforced plastic laminated plate, and can be hand-pasted, bag-pressed or vacuum-filled; or a Balsa wood or foam sandwich glass fiber reinforced plastic laminated plate can be used, and the hand pasting, the bag pressing or the vacuum infusion can be carried out; it can also be a reinforced plastic plate or a metal plate. (b) The root platform is divided into at least two sections. (c) The shape of the single root platform can be semicircular, arc, crescent and oval, and after a group of root platforms are spliced into a full-circle baffle plate, at least 1cm of overlapping part is arranged at the middle joint.
(2) A guide rail. The guide rail can be a clamp groove which is prefabricated by glass fiber reinforced plastics or directly pasted on the inner wall of the blade root by hand, pressed by a bag or poured in vacuum, and can also be a T-shaped, L-shaped, U-shaped or omega-shaped guide rail made of plastics or metal. The guide rail is at least divided into two parts along the circumferential direction, and can be placed continuously or discontinuously.
(3) And (5) locking. The lock catch can be a lock chain lock catch or a hasp and is arranged at two ends of the splicing seam of each group of root platforms or at the corresponding position of each root platform and the inner wall of the blade root, so that the function of preventing the root platforms from being staggered mutually is achieved in the non-overhaul period.
(4) A handle. A handle is mounted on the boot platform secured using the guide rails, the handle being disposed within a radius of 1/4 to 3/4 from the center of the circle.
(5) A guide rail bracket. The guide rail bracket can be made of 2-8mm glass fiber reinforced plastics or plastics and is L-shaped.
(6) And installing a root platform fixing plate. Marking the installation position of the root platform on the inner wall of the blade root by using a marking pen, polishing and removing dust to ensure that the surface to be adhered is rough and clean, coating a 3-20mm adhesive on the surface to be adhered in a scraping way, wherein the adhesive can be a rigid or elastic adhesive, adhering the adhesive surface of a fixing plate of the root platform to the adhesive firmly, and ensuring that the root platform is parallel to the end surface of the blade root by using a tool. And (3) heating or curing at normal temperature, removing the tool after the adhesive is completely cured, and manually pasting 2-5 layers of L-shaped glass fiber reinforced plastics on one side or two sides of the root platform respectively to be used as the bonding belts of the root platform.
(7) And installing a first guide rail. And a first guide rail is arranged in parallel with the root platform fixing plate at a distance of 1-30 mm. Marking the installation position of the guide rail on the inner wall of the blade root by using a marking pen, polishing and removing dust to ensure that the surface to be adhered is rough and clean, coating adhesive of 3-20mm on the guide rail by blade, wherein the adhesive can be rigid or elastic adhesive, firmly attaching the first guide rail and the adhesive, and ensuring that the guide rail is parallel to the end face of the blade root by using a tool.
(8) And (5) installing a root platform sliding plate. The root platform shifting board is embedded into the first guide rail. The fit between the root platform and the guide rail is to be made slidable and the root platform is not to be detached from the guide rail.
(9) The rest guide rails are arranged on the same circumference of the first guide rail, and the guide rail bracket can be uniformly distributed on one side or both sides of the guide rail by using an adhesive. If there is a third root platform, the rails are arranged side by side with reference to (7) and the remaining root platforms are mounted with reference to (8).
The specific installation mode is as follows:
example 1
(1) And (4) pretreatment. And marking, polishing and dust cleaning the root platform placing area of the inner wall of the blade 3. And adjusting the blade posture until the area to be bonded of the root platform fixing plate 1 is closest to the ground.
(2) And (4) coating an adhesive by scraping. An adhesive 4 with the thickness of 5mm is coated on the area to be bonded of the root platform fixing plate 1 in a scraping mode, the adhesive 4 is a quick adhesive, the cross section of the adhesive is trapezoidal, and a rubber block with the thickness of 4mm is placed at the center of the adhesive 4 at intervals of 300mm in the circumferential direction to limit the thickness.
(3) The root platform fixing plate 1 is installed. And butting the bonding surface of the root platform fixing plate 1 with the adhesive 4, and placing support tools at two sides of the root platform to ensure that the root platform is parallel to the end surface of the blade root. Scraping the extruded adhesive 4, pasting 3 layers of biaxial cloth as a root platform adhesive tape 5 on the tip side of the root platform by hands after the adhesive 4 is primarily cured, and respectively overlapping the root platform and the inner wall of the blade by 100 mm.
(4) And (4) coating an adhesive by scraping. And (3) coating an adhesive 4 with the thickness of 5mm on a guide rail to-be-bonded area which is parallel to the root platform and has the thickness of 5mm in a scraping way, wherein the adhesive 4 is a quick adhesive, the cross section of the adhesive is trapezoidal, and a glue block with the thickness of 4mm is placed at the center of the adhesive 4 at intervals of 300mm in the circumferential direction for thickness limitation.
(5) The guide rail 6 is installed. And (3) mounting the first section of guide rail on the adhesive in the step (4), and positioning by using a bracket tool to ensure that the guide rail is firmly attached to the adhesive. The extruded adhesive 4 is scraped off until the adhesive 4 is initially cured.
(6) A handle 8 is mounted. Two handles are mounted on the root side of the root platform sliding plate 2 by screws.
(7) And (4) installing a root platform sliding plate 2. The root platform glide plate 2 is inserted from one side of the rail 6.
(8) Closing the guide 6. And (5) completely installing other guide rails according to the steps (4) and (5).
(9) And installing a chain lock catch. Two chain lock catches are mounted in an overlapping area between the root platform fixing plate 1 and the root platform sliding plate 2 through screws.
(10) And heating and curing the adhesive area.
Example 2
(1) And (4) pretreatment. And marking, polishing and dust cleaning the root platform placing area of the inner wall of the blade 3. And adjusting the blade posture until the area to be bonded of the root platform fixing plate 1 is closest to the ground.
(2) A handle 8 is mounted. Two embedded handles are respectively arranged on the blade root sides of the two root platforms by screws.
(3) And (4) coating an adhesive by scraping. The method is characterized in that an adhesive 4 with the thickness of 5mm is coated on the to-be-bonded area of two parallel guide rails 6 which are close to each other in a scraping mode, the adhesive 4 is a quick adhesive, the cross section of the adhesive is trapezoidal, and a rubber block with the thickness of 4mm is placed at the center of the adhesive 4 at intervals of 300mm in the circumferential direction to limit the thickness.
(4) The guide rail 6 is installed. And (3) installing two sections of guide rails 6 on the adhesive in the step (4) in parallel, and positioning by using a bracket tool to ensure that the guide rails are firmly attached to the adhesive. The extruded adhesive 4 is scraped off until the adhesive 4 is initially cured.
(5) And installing the root platform. The root platform fixing plate 1 and the root platform sliding plate 2 are respectively embedded from one side of the two sections of guide rails 6 and slide into the guide rails.
(6) Closing the guide 6. And (4) completely installing other sections of the two guide rails.
(7) According to the guide rail bracket 9. 4L-shaped glass fiber reinforced plastic guide rail brackets 9 with the thickness of 5mm are uniformly distributed on the blade root side of the guide rail where the root platform fixing plate 1 is positioned and the blade tip side of the guide rail where the root platform sliding plate 2 is positioned respectively by using adhesives.
(8) And installing a chain lock catch. Two lock chain lock catches are respectively arranged at two ends of an overlapping area between the root platform fixing plate 1 and the root platform sliding plate 2 and the inner wall of the blade 3 through screws and adhesives.
(9) And heating and curing the adhesive area.
The utility model aims at solving the root platform that the blade root platform produced when the unit operation among the prior art and the whitening of blade inner wall junction split, the manhole cover is dismantled loaded down with trivial details and the bolt is easy to be cracked, defects such as manhole cover rigidity, and lead to blade access way to use limited technical problem, a wind-powered electricity generation blade root platform structure and mounting method are provided, according to with root platform piecemeal, make root platform become half surrounding structure, the effective release of stress, firm in connection is reliable, and through increasing the guide rail, handle and hasp, the convenience and the space of access way switch have been improved, thereby solve the shutoff of blade root and the long-lived high-efficient problem of switch.
The utility model discloses the root platform structure that makes is suitable for different blade types, especially to the blade of jumbo size blade root, and the effect is more showing, solves the blade because of blade root junction damage or the not smooth produced fragment damage electrical components of manhole cover switch or maintenance time supernormal etc. influence the hidden danger of unit operation.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.
Claims (10)
1. The utility model provides a root platform structure of wind-powered electricity generation blade, its characterized in that includes guide rail and concatenation root platform, concatenation root platform includes at least one root platform fixed plate and at least one root platform slide plate, wherein:
the guide rail is used for being installed on the inner wall of the wind power blade, the guide rail is arc-shaped or annular, and a clamping groove is formed in the guide rail;
the root platform sliding plate is embedded into the clamping groove and can slide on the guide rail along the circumferential direction;
the root platform fixing plate is fixedly installed on the inner wall of the wind power blade, the root platform is formed by matching and lapping the root platform sliding plates, and the root platform is opened and closed through sliding of the root platform sliding plates.
2. The root platform structure of a wind turbine blade of claim 1, wherein the root platform glide plate is semi-circular, arcuate, crescent or elliptical.
3. The root platform structure of a wind turbine blade of claim 1, wherein the handle is provided on the root platform glide plate.
4. The root platform structure of the wind power blade as claimed in claim 1, wherein the cross-sectional shape of the root platform sliding plate is T-shaped, L-shaped, U-shaped or Ω -shaped;
and/or the overlapping part of the root platform fixing plate and the root platform sliding plate is at least 1 cm.
5. The root platform structure of the wind power blade according to claim 1, wherein two ends of a splicing seam of the root platform fixing plate and the root platform sliding plate are provided with a chain lock catch or a hasp;
or the corresponding position of the root platform sliding plate and the inner wall of the blade root is provided with a chain lock catch or a hasp.
6. The root platform structure of a wind turbine blade according to any one of claims 1 to 5, further comprising a plurality of rail brackets supporting the rails, for being mounted under the rails and fixed to the inner wall of the blade.
7. The root platform structure of the wind power blade according to any one of claims 1 to 5, wherein a part of the guide rails are positioned below the root platform fixing plate in parallel at a distance of 1-30mm, and a gap is left at the lap joint with the root platform sliding plate;
and/or, the guide rail is including being located the first guide rail and the second guide rail of same circumference, first guide rail parallel position is in root platform fixed plate below, interval 1 ~ 30 mm.
8. The root platform structure of the wind power blade according to any one of claims 1 to 5, wherein the spliced root platform is circular in shape;
and/or the guide rail and the root platform fixing plate are both arranged on the inner wall of the blade through adhesives;
and/or the blade also comprises an L-shaped adhesive tape which is respectively connected with the root platform fixing plate and the inner wall of the blade through two L-shaped side walls.
9. The root platform structure of the wind power blade according to any one of claims 1 to 5, wherein a limiting block is arranged on the guide rail for limiting the rotation range of the root platform sliding plate.
10. A wind power blade is characterized by comprising the root platform structure of the wind power blade as claimed in any one of claims 1 to 8, wherein a root platform fixing plate and a guide rail are both fixedly mounted on the inner wall of the blade, and a root platform sliding plate slides in a matched manner with a guide rail clamping groove through a sliding block to realize the opening and closing of the root platform.
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| CN202020010299.XU CN211287979U (en) | 2020-01-03 | 2020-01-03 | Root platform structure of wind power blade and wind power blade comprising same |
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| CN202020010299.XU CN211287979U (en) | 2020-01-03 | 2020-01-03 | Root platform structure of wind power blade and wind power blade comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102140A (en) * | 2020-01-03 | 2020-05-05 | 国电联合动力技术有限公司 | Wind power blade, root platform structure of wind power blade and installation method of root platform structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102140A (en) * | 2020-01-03 | 2020-05-05 | 国电联合动力技术有限公司 | Wind power blade, root platform structure of wind power blade and installation method of root platform structure |
| CN111102140B (en) * | 2020-01-03 | 2023-12-26 | 国电联合动力技术有限公司 | Wind power blade, root platform structure of wind power blade and installation method of root platform structure |
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