Heat preservation cover for blade root of wind power blade
By introducing a sealing mechanism and a rubber sleeve design into the wind turbine blade root insulation cover, the sealing problem at the opening and connection of the insulation cover was solved, achieving better insulation and material curing effects, and improving the practicality of the insulation cover.
Patent Information
- Application Number
- CN202423234995.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The openings and connections of the existing wind turbine blade root insulation covers are not sealed, resulting in heat loss and affecting the curing effect of the materials inside the blade root.
A wind turbine blade root insulation cover with a sealing mechanism was designed. The sealing mechanism, composed of sealing strips, grooves, sliders, connectors, metal sleeves, clips, and magnets, ensures that the gap between the insulation board and the sealing plate is sealed. Hot air is introduced through the cooperation of the cover and the rubber sleeve to enhance the insulation effect.
The sealing and insulation performance of the insulation cover have been improved, ensuring the effective curing of the material inside the blade root and enhancing the practicality and effectiveness of the insulation cover.
Smart Images

Figure CN223877356U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wind power blade, especially to a wind power blade root heat preservation cover. BACKGROUND
[0002] The wind power blade is huge in size, and a prefabricated component assembly method is usually used in the manufacturing process, that is, the blade main beam cap, web plate and other components are respectively formed on each component mold, then two blade half shells, web plates and other components are assembled into one through the main mold hydraulic mold closing and turning, and the main mold is opened for heating and curing to form a whole blade, since the web plate bonding and internal area reinforcement need to use adhesive and resin during the mold closing process of the wind power blade, and both are thermosetting materials, in order to fully ensure that the mold cavity maintains a suitable temperature for adhesive and resin curing, the main mold root joint circular opening needs to be plugged after the mold closing process is completed.
[0003] The wind power blade root heat preservation cover disclosed by Chinese patent document CN216008780U includes a plugging cover plate, a window cover plate assembly, a clamping hook and a lifting hook, the two surfaces of the plugging cover plate are respectively used as a first side and a second side, the lower half of the plugging cover plate is provided with a sampling window, the window cover plate body of the window cover plate assembly is used for plugging the sampling window, and the top of the window cover plate assembly is hinged to the plugging cover plate; the top of the first side of the plugging cover plate is provided with the lifting hook, and the middle of the second side of the plugging cover plate is provided with a plurality of clamping hooks, which facilitates installation and removal, facilitates personnel access, and can be connected with an industrial heating fan to conveniently protect the wind power blade root.
[0004] However, all openings on the heat preservation cover and the connection with the root are not sealed, which causes the gaps between the structures on the heat preservation cover due to deformation or size errors of objects to cause heat loss, resulting in poor heat preservation effect of the heat preservation cover and affecting the curing effect of the material in the root, therefore, a wind power blade root heat preservation cover needs to be proposed. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a wind power blade root heat preservation cover to solve the problem of poor effect of the existing heat preservation cover.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wind power blade root heat preservation cover, comprising:
[0007] A heat preservation plate is provided with a sampling hole, and a sealing plate is hinged and installed at the sampling hole;
[0008] The sealing mechanism is arranged on the front side of the heat preservation plate, and comprises a strip-shaped plate, a sealing strip, a sliding groove, a sliding block and a connecting piece, the front side of the heat preservation plate is provided with the strip-shaped plate, the rear outer surface of the strip-shaped plate is fixedly provided with the sealing strip, the sealing strip covers the gap between the heat preservation plate and the sealing plate, the front side of the heat preservation plate is provided with two groups of sliding grooves, each of the two groups of sliding grooves is slidably provided with a group of sliding blocks, the outer surfaces of the two sides of the strip-shaped plate are fixedly provided with a group of connecting pieces, and the two groups of connecting pieces are fixedly connected with the corresponding sliding blocks.
[0009] Preferably, the sealing mechanism further comprises a metal sleeve plate, a clamping strip and a magnet block, the front outer surface of the heat preservation plate is fixedly provided with two groups of metal sleeve plates, each of the two groups of metal sleeve plates is movably provided with a group of clamping strips, one end of each of the two groups of clamping strips is fixedly provided with a group of magnet blocks, the two groups of magnet blocks are attracted to the corresponding metal sleeve plates, and the two groups of clamping strips abut against the strip-shaped plate.
[0010] Preferably, the sealing plate is provided with two groups of ventilation openings, each of the two groups of ventilation openings is provided with a group of covers, and each of the two groups of covers is fixedly provided with a group of rubber sleeves abutting against the inner walls of the corresponding ventilation openings.
[0011] Preferably, the heat preservation plate is provided with at least two groups of mounting holes.
[0012] Preferably, the rear outer surface of the heat preservation plate is fixedly provided with a sealing ring, and the sealing property of the heat preservation cover after installation can be further improved under the action of the sealing ring on the heat preservation plate, the use effect of the heat preservation cover is ensured, and the heat preservation cover is conducive to promotion and use.
[0013] Preferably, the front outer surface of the heat preservation plate is fixedly provided with a fixing block, and the top of the fixing block is fixedly provided with a lifting hook.
[0014] Preferably, the bottom of the strip-shaped plate is fixedly provided with a pull handle.
[0015] Compared with the prior art, the heat preservation cover has the advantages that:
[0016] (1), the wind power blade root heat preservation cover, through the sealing mechanism, can seal the gap between the heat preservation plate and the sealing plate, improve the heat preservation effect of the heat preservation cover, and can lock the sealing plate, solve the problem that all openings on the existing part of the heat preservation cover and the connection with the blade root are not sealed, the gap between the structures on the heat preservation cover is easy to cause due to deformation or size error of the object, which causes heat loss, poor heat preservation effect of the heat preservation cover, and affects the curing effect of the material in the blade root, improve the practicability of the heat preservation cover.
[0017] (2), the wind power blade root heat preservation cover, through the cooperation of the cover and the rubber sleeve, the hot air of the hot air machine can be introduced under the condition of reducing heat loss, at the same time, under the action of the sealing ring on the heat preservation plate, the sealing property after installing the heat preservation cover can be further improved, the use effect of the heat preservation cover is guaranteed, which is conducive to the promotion and use of the heat preservation cover. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be further explained in connection with the drawings and embodiments:
[0019] Figure 1 It is the front view perspective drawing of the utility model;
[0020] Figure 2 It is Figure 1 It is the structure enlarged view of A in the middle;
[0021] Figure 3 It is the rear view perspective drawing of the utility model;
[0022] Figure 4 It is the structure schematic view of the cover and the rubber sleeve of the utility model.
[0023] Reference signs: 1, heat preservation plate; 2, sealing plate; 3, sealing mechanism; 31, strip plate; 32, sealing strip; 33, sliding groove; 34, sliding block; 35, connecting piece; 36, metal sleeve plate; 37, clamping strip; 38, magnet block; 4, cover; 5, rubber sleeve; 6, mounting hole; 7, sealing ring; 8, fixed block; 9, lifting hook; 10, pull handle. DETAILED DESCRIPTION
[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0025] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of wind power blade root heat preservation cover, including heat preservation board 1 and sealing mechanism 3, heat preservation board 1 is equipped with sampling hole, hinged mounting is equipped with sealing plate 2 at sampling hole, two groups of ventilation openings are equipped on sealing plate 2, one group of sealing cover 4 is arranged in two groups of ventilation openings, one group of rubber sleeve 5 that is inlaid with corresponding ventilation opening inner wall is fixedly installed on two groups of sealing cover 4, at least two groups of mounting hole 6 are perforated on heat preservation board 1, sealing ring 7 is fixedly installed on the rear side outer surface of heat preservation board 1, fixed block 8 is fixedly installed on the front side outer surface of heat preservation board 1, hanger 9 is fixedly installed on the top of fixed block 8, by the cooperation of sealing cover 4 and rubber sleeve 5, the hot air of hot air machine can be inhaled under the condition of reducing heat loss, simultaneously, under the action of sealing ring 7 on heat preservation board 1, the sealing property after installing heat preservation cover can be further improved, the use effect of heat preservation cover is guaranteed, it is favorable to the promotion and use of heat preservation cover;
[0026] Sealing mechanism 3 is arranged at the front side of heat preservation board 1, and sealing mechanism 3 includes strip plate 31, sealing strip 32, sliding groove 33, sliding block 34 and connecting piece 35; the front side of heat preservation board 1 is provided with strip plate 31; sealing strip 32 is fixedly installed on the rear side outer surface of strip plate 31; sealing strip 32 covers the gap between heat preservation board 1 and sealing plate 2; two groups of sliding grooves 33 are formed in the front side of heat preservation board 1; one group of sliding blocks 34 is slidingly installed on each of the two groups of sliding grooves 33; one group of connecting pieces 35 is fixedly installed on the outer surface of each side of strip plate 31; and the two groups of connecting pieces 35 are fixedly connected with the corresponding sliding blocks 34.
[0027] Sealing mechanism 3 further includes metal sleeve plate 36, clamping strip 37 and magnet block 38; two groups of metal sleeve plates 36 are fixedly installed on the front side outer surface of heat preservation board 1; one group of clamping strips 37 is movably arranged on each of the two groups of metal sleeve plates 36; one group of magnet blocks 38 is fixedly installed on one end of each of the two groups of clamping strips 37; the two groups of magnet blocks 38 are adsorbed on the corresponding metal sleeve plates 36; the two groups of clamping strips 37 abut against strip plate 31; and pull handle 10 is fixedly installed on the bottom of strip plate 31; by sealing mechanism 3, the gap between heat preservation board 1 and sealing plate 2 can be sealed, the heat preservation effect of heat preservation cover is improved, sealing plate 2 can be locked, the problem that the gap between structures on the existing part of heat preservation cover and the connection with the root is not sealed, which causes heat loss and poor heat preservation effect of heat preservation cover and affects the curing effect of materials in the root, is solved, and the practicability of heat preservation cover is improved.
[0028] Working principle: when installing the heat preservation cover, the heat preservation cover is hoisted by the lifting hook 9 to move to the installation position, installation is conducted through the installation hole 6 and the sealing ring 7 is tightly attached to the opening on the blade root, the cover 4 is opened, the hot air machine is installed at the ventilation opening to introduce heat into the blade root, the installation is completed, when the sealing plate 2 needs to be opened to sample the material in the blade root, the two groups of magnet blocks 38 drive the two groups of sealing rings 7 to move to both sides and no longer abut against the strip-shaped plate 31, the pull handle 10 is pulled to drive the strip-shaped plate 31 to slide downward, no longer abut against the sealing plate 2, and then the sealing plate 2 can be opened.
[0029] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A wind turbine blade root heat shield, characterized in that, The utility model relates to a heat preservation plate, which comprises a heat preservation plate (1) with a sampling hole, a sealing plate (2) hingedly installed at the sampling hole, a sealing mechanism (3) arranged on the front side of the heat preservation plate (1), and a sealing cover (4) arranged on the sealing plate (2). The sealing mechanism (3) comprises a strip-shaped plate (31), a sealing strip (32), a sliding groove (33), a sliding block (34), and a connecting piece (35). The front side of the heat preservation plate (1) is provided with the strip-shaped plate (31), the rear side outer surface of the strip-shaped plate (31) is fixedly installed with the sealing strip (32), the sealing strip (32) covers the gap between the heat preservation plate (1) and the sealing plate (2), the front side of the heat preservation plate (1) is provided with two groups of sliding grooves (33), each group of sliding grooves (33) is slidably installed with a group of sliding blocks (34), the outer surfaces of the two sides of the strip-shaped plate (31) are fixedly installed with a group of connecting pieces (35), and each group of connecting pieces (35) is fixedly connected with the corresponding sliding block (34).
2. A wind turbine blade root heat shield according to claim 1, characterised in that: The sealing mechanism (3) further comprises a metal sleeve plate (36), a clamping strip (37), and a magnet block (38).
3. A wind turbine blade root heat shield according to claim 2, characterised in that: The front side outer surface of the heat preservation plate (1) is fixedly installed with two groups of metal sleeve plates (36), each group of metal sleeve plates (36) is movably provided with a group of clamping strips (37), one end of each group of clamping strips (37) is fixedly installed with a group of magnet blocks (38), each group of magnet blocks (38) is adsorbed on the corresponding metal sleeve plate (36), and each group of clamping strips (37) abuts against the strip-shaped plate (31).
4. A wind turbine blade root heat shield according to claim 3, characterised in that: The sealing plate (2) is provided with two groups of ventilation openings, each group of ventilation openings is provided with a group of sealing covers (4), and each group of sealing covers (4) is fixedly installed with a group of rubber sleeves (5) abutting against the inner walls of the corresponding ventilation openings.
5. A wind turbine blade root heat shield according to claim 4, characterised in that: The heat preservation plate (1) is provided with at least two groups of mounting holes (6).
6. A wind turbine blade root heat shield according to claim 5, characterised in that: The rear side outer surface of the heat preservation plate (1) is fixedly installed with a sealing ring (7).
7. A wind turbine blade root heat shield according to claim 6, characterised in that: The front side outer surface of the heat preservation plate (1) is fixedly installed with a fixed block (8), and the top of the fixed block (8) is fixedly installed with a lifting hook (9). The bottom of the strip-shaped plate (31) is fixedly installed with a pull handle (10).
Citation Information
Patent Citations
Heat preservation cover for blade root of wind power blade
CN216008780U