CN111577529B - Wind power generation blade and installation method thereof - Google Patents
Wind power generation blade and installation method thereof Download PDFInfo
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- CN111577529B CN111577529B CN202010453171.5A CN202010453171A CN111577529B CN 111577529 B CN111577529 B CN 111577529B CN 202010453171 A CN202010453171 A CN 202010453171A CN 111577529 B CN111577529 B CN 111577529B
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- 238000010248 power generation Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
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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
Abstract
The invention discloses a wind power generation blade which comprises a hollow first sub-blade, a hollow second sub-blade, a bonding assembly and a heating assembly, wherein the bonding assembly comprises an elastic steel plate and an uncured prepreg layer arranged on the surface of the elastic steel plate, the hollow first sub-blade is detachably connected with the hollow second sub-blade, the bonding assembly is arranged at the joint of the interiors of the hollow first sub-blade and the hollow second sub-blade, the uncured prepreg layer is attached to the inner walls of the hollow first sub-blade and the hollow second sub-blade, the heating assembly heats the joint of the hollow first sub-blade and the hollow second sub-blade, and the uncured prepreg layer is thermally cured to bond the hollow first sub-blade and the hollow second sub-blade together. The wind power generation blade adopts a splicing structure, so that the integral transportation length is greatly reduced, the transportation of the wind power generation blade is convenient, and the transportation cost of the wind power generation blade is effectively reduced.
Description
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a wind power generation blade and an installation method thereof.
Background
Wind energy is receiving more and more attention due to its environmental friendliness, and is currently being vigorously developed in various countries around the world. Wind power generation is the process of converting wind energy into mechanical energy and then converting the mechanical energy into electrical energy. The existing wind power generation blades are generally dozens of meters in length, for example, on a 600KW wind power generator, the length of each wind power generation blade is about 20 meters, and a few wind power generation blades reach 30 meters or even more than 50 meters.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the wind power generation blade.
In order to achieve the above object, the present invention provides a wind turbine blade, including a hollow first sub-blade, a hollow second sub-blade, a bonding assembly and a heating assembly, where the bonding assembly includes an elastic steel plate and an uncured prepreg layer disposed on a surface of the elastic steel plate, the hollow first sub-blade is detachably connected to the hollow second sub-blade, the bonding assembly is disposed at a joint inside the hollow first sub-blade and the hollow second sub-blade, the uncured prepreg layer is attached to an inner wall of the hollow first sub-blade and the hollow second sub-blade, the heating assembly heats the joint of the hollow first sub-blade and the hollow second sub-blade, and the uncured prepreg layer is thermally cured to bond the hollow first sub-blade and the hollow second sub-blade together.
Further, be equipped with first stopper on the first sub-blade inner wall of cavity, cavity second sub-blade inner wall is equipped with the second stopper, the first sub-blade of cavity and the laminating of cavity second sub-blade terminal surface mutually, just the bonding subassembly is located between first stopper and the second stopper.
Further, the wind power generation blade further comprises a buckle assembly, the buckle assembly comprises a buckle and a spring piece, one end of the buckle is rotatably connected with the hollow second sub-blade, one end of the spring piece is connected with the hollow second sub-blade, the other end of the spring piece is connected with the buckle, and a clamping groove matched with the buckle is formed in the hollow first sub-blade.
Furthermore, the wind power generation blade also comprises a positioning assembly, wherein the positioning assembly comprises a positioning bolt arranged on the hollow first sub-blade and a pin hole arranged on the hollow second sub-blade and matched with the positioning bolt.
Further, the heating assembly comprises a heating sheet wrapping the outer surface of the joint of the hollow first sub-blade and the hollow second sub-blade.
Further, the wind power generation blade also comprises an auxiliary mounting device, wherein the auxiliary mounting device comprises a shell, a piston and a nut, and the shell comprises a hollow cylinder, a round pipe and a disc which are sequentially connected; one end of the hollow cylinder is of an open structure, and the other end of the hollow cylinder is communicated with the circular tube; the disc center be equipped with the centre bore that the pipe orifice is linked together, the piston include the piston ring, with the piston rod that the piston ring is connected, the tip of piston rod is equipped with the external screw thread, the piston rod passes in proper order hollow cylinder, pipe and disc, the external diameter of piston ring is greater than the internal diameter of pipe orifice, just the external diameter of piston ring is less than hollow cylinder's internal diameter, the piston ring is located hollow cylinder is internal, the nut install in the external screw thread department of piston rod.
Further, supplementary erector still includes the nut cover, the nut cover with the disc is connected, the nut include the nut body and with the circular location platform that the nut body is connected, the nut is T type structure, be equipped with the mounting hole that the cross section is T type structure in the nut cover, the nut install in the nut is sheathe in.
The invention also provides an installation method of the wind power generation blade, which comprises the following steps:
step S1: the hollow first sub-blade is detachably connected with the hollow first sub-blade;
step S2: the adhesive assembly is placed in the hollow cylinder in a winding structure, and the auxiliary mounting device is inserted into the hollow first sub-blade from the end part of the hollow first sub-blade until the insertion is stopped at the joint of the hollow first sub-blade and the hollow second sub-blade; rotating the nut at the moment to enable the piston to move towards the open end of the hollow cylinder, so that the bonding assembly in the hollow cylinder is pushed out, the bonding assembly falls on the joint of the hollow first sub-blade and the hollow second sub-blade, the bonding assembly automatically unfolds, and the uncured prepreg layer is attached to the inner walls of the hollow first sub-blade and the hollow second sub-blade; and at the moment, the heating assembly heats the joint of the hollow first sub-blade and the hollow second sub-blade, so that the uncured prepreg layer is subjected to thermosetting to bond the hollow first sub-blade and the hollow second sub-blade together.
Further, the hollow first sub-blade and the hollow second sub-blade are detachably connected through a buckle assembly.
Further, a first limiting block is arranged on the inner wall of the hollow first sub-blade, and a second limiting block is arranged on the inner wall of the hollow second sub-blade; when the bonding assembly falls at the joint of the hollow first sub-blade and the hollow second sub-blade, the bonding assembly is positioned between the first limiting block and the second limiting block.
The wind power generation blade adopts a structure that the hollow first sub-blade and the hollow second sub-blade are spliced. During transportation, the wind power generation blade is disassembled into the hollow first sub-blade and the hollow second sub-blade, so that the overall transportation length is greatly reduced, the transportation of the wind power generation blade is facilitated, and the transportation cost of the wind power generation blade is effectively reduced. When the wind power generation blade arrives at a field for installation, the hollow first sub-blade and the hollow second sub-blade are spliced, and then the joint of the hollow first sub-blade and the hollow second sub-blade is heated through the heating assembly, so that the uncured prepreg layer is thermally cured to bond the hollow first sub-blade and the hollow second sub-blade together, and the structural strength and the service life of the spliced wind power generation blade are ensured. Meanwhile, the hollow first sub-blade and the hollow second sub-blade are in hollow structures under the condition of ensuring the structural strength, so that the weight of the wind power generation blade is effectively reduced, the light design is achieved, the transportation of the wind power generation blade is facilitated, and meanwhile, the installation of the wind power generation blade is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a partial perspective view of a hollow first sub-vane of the present invention.
FIG. 3 is a partial perspective view of the assembly of the hollow second sub-vane and the adhesive assembly of the present invention.
Fig. 4 is a perspective view of the auxiliary mounter according to the present invention.
Fig. 5 is a perspective view of the hollow cylinder corresponding to fig. 4.
Fig. 6 is a perspective view of the assembled position of the corresponding nut and piston after the rotation of fig. 4 by a certain angle.
Fig. 7 is a cross-sectional view of fig. 5.
Fig. 8 is a cross-sectional view of fig. 6 rotated by a certain angle.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 8, the present embodiment provides a wind power generation blade, which comprises a hollow first sub-blade 1, a hollow second sub-blade 2, a bonding assembly 5 and a heating assembly, the bonding assembly 5 comprises an elastic steel plate 50, an uncured prepreg layer 51 arranged on the surface of the elastic steel plate 50, the hollow first sub-blade 1 is detachably connected with the hollow second sub-blade 2, the bonding component 5 is arranged at the joint of the interiors of the hollow first sub-blade 1 and the hollow second sub-blade 2, the uncured prepreg layer 51 conforms to the inner walls of the hollow first and second sub-blades 1 and 2, the heating component heats the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2, the uncured prepreg layer 51 is cured by heat to bond the hollow first sub-blade 1 and the hollow second sub-blade 2 together. The center line of the uncured prepreg layer 51 is aligned with the plane where the hollow first sub-blade 1 and the hollow second sub-blade 2 contact, i.e., half of the uncured prepreg layer 51 overlaps the hollow first sub-blade 1 and the other half overlaps the hollow second sub-blade 2.
The wind power generation blade of the present embodiment has a structure in which a hollow first sub-blade 1 and a hollow second sub-blade 2 are joined together. During transportation, the wind power generation blade is disassembled into the hollow first sub-blade 1 and the hollow second sub-blade 2, so that the overall transportation length is greatly reduced, the transportation of the wind power generation blade is facilitated, and the transportation cost of the wind power generation blade is effectively reduced. When the wind power generation blade arrives at a field for installation, the hollow first sub-blade 1 and the hollow second sub-blade 2 are spliced, and then the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2 is heated by the heating assembly, so that the uncured prepreg layer 51 is heated and cured to bond the hollow first sub-blade 1 and the hollow second sub-blade 2 together, and the structural strength and the service life of the spliced wind power generation blade are ensured. Simultaneously, the hollow first sub-blade 1 and the hollow second sub-blade 2 of the embodiment adopt a hollow structure under the condition of ensuring the structural strength, so that the weight of the wind power generation blade is effectively reduced, the light design is achieved, the transportation of the wind power generation blade is facilitated, and meanwhile, the installation of the wind power generation blade is facilitated.
Further preferably, the first limiting block 11 is arranged on the inner wall of the hollow first sub-blade 1, the second limiting block 22 is arranged on the inner wall of the hollow second sub-blade 2, the end faces of the hollow first sub-blade 1 and the hollow second sub-blade 2 are attached to each other, and the bonding assembly 5 is located between the first limiting block 11 and the second limiting block 22. Through the design of first stopper 11 and second stopper 22 for bonding subassembly 5 restriction is between first stopper 11 and second stopper 22, realizes bonding subassembly 5 spacing simultaneously, guarantees bonding subassembly 5 and first stopper 11 and second stopper 22 effective location.
Preferably, in this embodiment, the wind turbine blade further includes a buckle assembly 6, the buckle assembly 6 includes a buckle 60 and a spring leaf 61, one end of the buckle 60 is rotatably connected to the hollow second sub-blade 2, specifically, the end of the hollow second sub-blade 2 is provided with a hinge base 62, one end of the buckle 60 is hinged to the hinge base 62 through a hinge shaft, one end of the spring leaf 61 is connected to the hollow second sub-blade 2, the other end of the spring leaf is connected to the buckle 60, and the hollow first sub-blade 1 is provided with a slot 110 matched with the buckle 60. This embodiment has realized the first sub-blade 1 of cavity and the connection dismantled of cavity second sub-blade 2 through buckle subassembly 6, under the effect of spring leaf 61, guarantees the effective chucking of buckle 60 in draw-in groove 110, has guaranteed the stability that first sub-blade 1 of cavity and cavity second sub-blade 2 are connected, and buckle subassembly 6 installs fairly conveniently simultaneously, saves installation time. The number of the snap-fit components 6 in the present embodiment is preferably plural, and the specific number is determined by factors such as the size of the wind turbine blade. Of course, the hollow first sub-blade 1 and the hollow second sub-blade 2 may also be detachably connected by using an existing fastener, and the detachable connection manner is not limited to the above two, and is not particularly limited.
In this embodiment, the wind turbine blade further includes a positioning assembly, and the positioning assembly includes a positioning pin 12 disposed on the hollow first sub-blade 1, and a pin hole 201 disposed on the hollow second sub-blade 2 and matched with the positioning pin 12. Under the action of the positioning bolt 12 and the pin hole 201, the positioning function of the hollow first sub-blade 1 and the hollow second sub-blade 2 is realized, and the installation accuracy of the hollow first sub-blade 1 and the hollow second sub-blade 2 is ensured. The number of the positioning pins 12 and the pin holes 201 in the present embodiment is preferably plural, and the specific number is determined by the size of the wind turbine blade and other factors.
Preferably, the heating assembly comprises a heating sheet 3 wrapping the outer surface of the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2. Of course, a power supply and a switch connected to the heating plate 3 are also included, which are conventional in the art and will not be described in detail. The heating sheet 3 of the wrapping structure is adopted in the embodiment, so that the heating of the outer surface of the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2 is effectively and quickly realized, the uncured prepreg layer 51 is quickly heated and cured, and the installation efficiency is improved.
Further preferably, the wind power generation blade further comprises an auxiliary mounting device 4, the auxiliary mounting device 4 comprises a housing 40, a piston 41 and a nut 42, the housing 40 comprises a hollow cylinder 401, a circular tube 402 and a disc 403 which are connected in sequence, wherein the hollow cylinder 401, the circular tube 402 and the disc 403 are in an integral structure; one end of the hollow cylinder 401 is of an open structure, and the other end of the hollow cylinder is communicated with the circular tube 402; the center of the circular disc 403 is provided with a center hole communicated with the inner hole of the circular tube 402, the piston 41 comprises a piston ring 411 and a piston rod 410 connected with the piston ring 411, wherein the piston ring 411 and the piston rod 410 are integrated into a whole, the end of the piston rod 410 is provided with an external thread 4101, the piston rod 410 sequentially penetrates through the hollow cylinder 401, the circular tube 402 and the circular disc 403, the outer diameter of the piston ring 411 is larger than the inner diameter of the inner hole of the circular tube 402, the outer diameter of the piston ring 411 is smaller than the inner diameter of the hollow cylinder 401, the piston ring 411 is positioned in the hollow cylinder 401, and the nut 42 is installed at the external thread 4101 of.
In this embodiment, preferably, the auxiliary mounter 4 further includes a nut sleeve 43, the nut sleeve 43 is connected to the circular disc 403, the nut 42 includes a nut body 420 and a circular positioning table 421 connected to the nut body 420, the nut 42 is in a T-shaped structure, a mounting hole having a T-shaped cross section is formed in the nut sleeve 43, and the nut 42 is mounted on the nut sleeve 43. The nut 42 and the housing 40 are positioned by the nut sleeve 43 to facilitate rotation of the nut 42 to move the piston 41 within the housing 40.
The embodiment also provides an installation method of the wind power generation blade, which comprises the following steps:
step S1: the hollow first sub-blade 1 and the hollow first sub-blade 2 are firstly detachably connected;
step S2: the adhesive assembly 5 is placed in the hollow cylinder 401 in a winding structure (as shown in fig. 5), and the auxiliary mounting device 4 is inserted into the hollow first sub-blade 1 from the end of the hollow first sub-blade 1 until the insertion stops where the hollow first sub-blade 1 and the hollow second sub-blade 2 meet; at this time, the nut 42 is rotated, so that the piston 41 moves towards the open end of the hollow cylinder 401, and the adhesive assembly 5 in the hollow cylinder 401 is pushed out, so that the adhesive assembly 5 falls on the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2, the adhesive assembly 5 automatically unfolds, and the uncured prepreg layer 51 is attached to the inner walls of the hollow first sub-blade 1 and the hollow second sub-blade 2; at this time, the heating assembly heats the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2, so that the uncured prepreg layer 51 is heated and cured to bond the hollow first sub-blade 1 and the hollow second sub-blade 2 together. When the bonding assembly 5 falls at the joint of the hollow first sub-blade 1 and the hollow second sub-blade 2, the bonding assembly 5 is located between the first limiting block 11 and the second limiting block 22.
After the hollow first sub-blade 1 and the hollow second sub-blade 2 are installed, the end part of the hollow first sub-blade 1 is connected with a main shaft on the wind power generation through a fastener, and meanwhile, the hollow first sub-blade is positioned through a positioning pin.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A wind power generation blade is characterized by comprising a hollow first sub-blade, a hollow second sub-blade, a bonding assembly and a heating assembly, wherein the bonding assembly comprises an elastic steel plate and an uncured prepreg layer arranged on the surface of the elastic steel plate, the hollow first sub-blade is detachably connected with the hollow second sub-blade, the bonding assembly is arranged at the joint of the interiors of the hollow first sub-blade and the hollow second sub-blade, the uncured prepreg layer is attached to the inner walls of the hollow first sub-blade and the hollow second sub-blade, the heating assembly heats the joint of the hollow first sub-blade and the hollow second sub-blade, and the uncured prepreg layer is thermally cured to bond the hollow first sub-blade and the hollow second sub-blade together;
the wind power generation blade further comprises an auxiliary installer, wherein the auxiliary installer comprises a shell, a piston and a nut, and the shell comprises a hollow cylinder, a round pipe and a disc which are sequentially connected; one end of the hollow cylinder is of an open structure, and the other end of the hollow cylinder is communicated with the circular tube; the disc center be equipped with the centre bore that the pipe orifice is linked together, the piston include the piston ring, with the piston rod that the piston ring is connected, the tip of piston rod is equipped with the external screw thread, the piston rod passes in proper order hollow cylinder, pipe and disc, the external diameter of piston ring is greater than the internal diameter of pipe orifice, just the external diameter of piston ring is less than hollow cylinder's internal diameter, the piston ring is located hollow cylinder is internal, the nut install in the external screw thread department of piston rod.
2. The wind power generation blade according to claim 1, wherein a first limiting block is disposed on an inner wall of the hollow first sub-blade, a second limiting block is disposed on an inner wall of the hollow second sub-blade, end faces of the hollow first sub-blade and the hollow second sub-blade are attached to each other, and the bonding assembly is located between the first limiting block and the second limiting block.
3. The wind turbine blade according to claim 1, wherein the wind turbine blade further comprises a buckle assembly, the buckle assembly comprises a buckle and a spring plate, one end of the buckle is rotatably connected with the hollow second sub-blade, one end of the spring plate is connected with the hollow second sub-blade, the other end of the spring plate is connected with the buckle, and a clamping groove matched with the buckle is formed in the hollow first sub-blade.
4. A wind power blade according to claim 3, wherein the wind power blade further comprises a positioning assembly, the positioning assembly comprising a positioning pin arranged on the hollow first sub-blade, and a pin hole arranged on the hollow second sub-blade and cooperating with the positioning pin.
5. A wind power blade according to claim 1 wherein the heating assembly comprises a heating sheet wrapped around the outer surface of the junction of the first and second hollow sub-blades.
6. The wind turbine blade as claimed in claim 1, wherein the auxiliary mounting device further comprises a nut sleeve, the nut sleeve is connected to the disk, the nut comprises a nut body and a circular positioning table connected to the nut body, the nut is of a T-shaped structure, a mounting hole with a T-shaped cross section is formed in the nut sleeve, and the nut is mounted on the nut sleeve.
7. A method of mounting a wind turbine blade according to claim 1 or 6, comprising the steps of:
step S1: the hollow first sub-blade is detachably connected with the hollow first sub-blade;
step S2: the adhesive assembly is placed in the hollow cylinder in a winding structure, and the auxiliary mounting device is inserted into the hollow first sub-blade from the end part of the hollow first sub-blade until the insertion is stopped at the joint of the hollow first sub-blade and the hollow second sub-blade; rotating the nut at the moment to enable the piston to move towards the open end of the hollow cylinder, so that the bonding assembly in the hollow cylinder is pushed out, the bonding assembly falls on the joint of the hollow first sub-blade and the hollow second sub-blade, the bonding assembly automatically unfolds, and the uncured prepreg layer is attached to the inner walls of the hollow first sub-blade and the hollow second sub-blade; and at the moment, the heating assembly heats the joint of the hollow first sub-blade and the hollow second sub-blade, so that the uncured prepreg layer is subjected to thermosetting to bond the hollow first sub-blade and the hollow second sub-blade together.
8. The method of installation according to claim 7, wherein the hollow first and second sub-blades are removably connected by a snap assembly.
9. The mounting method according to claim 7, wherein a first limiting block is arranged on the inner wall of the hollow first sub-blade, and a second limiting block is arranged on the inner wall of the hollow second sub-blade; when the bonding assembly falls at the joint of the hollow first sub-blade and the hollow second sub-blade, the bonding assembly is positioned between the first limiting block and the second limiting block.
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