Modularized magnetic attraction mounting device for curved surface of tower drum of wind turbine generator

By using a modular magnetic installation device, which combines the magnetic base body with T-shaped fixing accessories, the problems of difficult installation and low maintenance efficiency of fixing accessories inside the wind turbine tower are solved, enabling fast and stable installation and disassembly, and enhancing the protection of the inner wall of the tower.

CN223724759UActive Publication Date: 2025-12-26HUIFENG TIAOSHAN (YONGJI) TECH CO LTD
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Patent Information

Application Number
CN202520634617.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2025-12-26
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Traditional welding and bolting methods for fixing accessories inside wind turbine towers suffer from destructive installation, insufficient adaptability to curved surfaces, and low maintenance efficiency. Common magnetic attraction technologies, on the other hand, face limitations such as insufficient attraction force, poor curvature matching, and magnetic failure under dynamic loads.

Method used

The device combines a magnetic base with T-shaped fixing accessories, and is connected by a rubber-coated shell. It is designed as a modular magnetic installation device that adapts to the curved surface of the wind turbine tower. It uses rubber blocks and slots for interference fit to achieve quick installation and disassembly.

Benefits of technology

It achieves stable adsorption on the inner wall of the wind turbine tower, withstands greater tensile force, simplifies the installation process, shortens the time, improves maintenance efficiency, and protects the inner wall of the tower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of magnetic attraction installation devices, and particularly relates to a wind turbine generator tower curved surface modularized magnetic attraction installation device which comprises a magnetic attraction base body and a rubber coating shell installed on the surface of the magnetic attraction base body, a T-shaped fixing accessory is connected to the surface of the magnetic attraction base body, and a containing groove is formed in the surface of the magnetic attraction base body. A mounting groove is formed in the surface of the T-shaped fixing accessory, a locking hole is formed in the inner wall of the placing groove, and a clamping block is connected to the inner wall of the rubber coating shell. According to the utility model, the magnetic attraction seat main body and the T-shaped fixing accessory are in butt joint and fixed, then the shell rubber coating treatment is carried out, and finally, directional magnetization is carried out through a pulsed magnetic field, and the magnetic flux of the outer surface is detected; by means of the magnetic attraction design, complex tools are not needed in the installation process, installation can be rapidly completed by workers, the installation time is remarkably shortened, if a fixed position needs to be replaced, reinstallation can be conducted after disassembling through a drawing tool, fault tolerance of operation in the tower drum is greatly improved, and the inner wall of the tower drum is protected to a great extent.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to magnetic attraction installation device technical field, concretely relates to a wind turbine tower drum curved surface modularization magnetic attraction installation device. BACKGROUND

[0002] With the increasing demand for renewable energy worldwide, wind power as an important clean energy has been widely concerned and applied. The tower drum of wind turbine is usually cylindrical or conical structure, which has certain curved surface characteristics. In the traditional tower drum internal operation process, due to the space limitation in the tower drum, for some necessary accessories, welding or threaded connection is usually used for fixation, which not only affects the overall stability and safety of the wind turbine, but also may cause difficulties in later maintenance and overhaul.

[0003] The fixing technology of the tower drum inner wall accessory is the key link to ensure the safe and stable operation of the wind turbine. However, the traditional welding and bolt connection method has the problems of destructive installation, insufficient curved surface adaptability and low maintenance efficiency. The common magnetic attraction technology also has the limitations of insufficient adsorption force, poor curvature matching and magnetic force failure under dynamic load. SUMMARY

[0004] The utility model aims at providing a wind turbine tower drum curved surface modularization magnetic attraction installation device, which aims at solving the problems of destructive installation, insufficient curved surface adaptability and low maintenance efficiency of the existing equipment in use. The common magnetic attraction technology also has the limitations of insufficient adsorption force, poor curvature matching and magnetic force failure under dynamic load.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wind turbine tower drum curved surface modularization magnetic attraction installation device, which comprises a magnetic attraction seat body and a rubber coating shell installed on the surface of the magnetic attraction seat body, the surface of the magnetic attraction seat body is connected with a T-shaped fixing accessory, the surface of the magnetic attraction seat body is provided with a placing groove, the surface of the T-shaped fixing accessory is provided with an installation groove, the inner wall of the placing groove is provided with a locking hole, the inner wall of the rubber coating shell is connected with a clamping block, and the surface of the magnetic attraction seat body close to the clamping block is provided with a clamping groove.

[0006] As a preferred wind turbine tower drum curved surface modularization magnetic attraction installation device of the utility model, the magnetic attraction seat body is made of ordinary carbon structural steel and magnet, and the T-shaped fixing accessory is made of austenitic stainless steel.

[0007] As a preferred wind turbine tower drum curved surface modularization magnetic attraction installation device of the utility model, the size of the bottom end of the T-shaped fixing accessory is matched with the size of the placing groove on the surface of the magnetic attraction seat body.

[0008] The locking screw is screwed through the mounting groove and the locking hole.

[0009] The magnetic attraction seat body and the rubber-coated shell are connected through glue.

[0010] The clamping block is made of rubber material, and the clamping block and the clamping groove are in interference connection.

[0011] Compared with the prior art, the wind turbine tower drum curved surface modular magnetic attraction installation device has the advantages that:

[0012] The magnetic attraction seat body is connected and fixed with the T-shaped fixing accessory, then the shell is coated with glue, then the pulse magnetic field is oriented and magnetized, and the outer surface magnetic flux is detected, then the magnetic attraction seat body is adsorbed on the curved inner wall and the top wall of the wind turbine tower drum, when it is adsorbed on the curved inner wall, it can bear a horizontal pulling force of more than 300kg and a vertical pulling force of more than 180kg; when it is adsorbed on the top wall, it can bear a straight pulling force of more than 300kg. Before adsorption, the working position is determined, the working position is gripped at 90°, and the magnetic attraction seat body is placed 2mm below the reserved position and is slowly attached, so that the installation process does not need complex tools, workers can quickly complete the installation, the installation time is significantly shortened, if the fixed position needs to be replaced, the magnetic attraction seat body can be disassembled and reinstalled by using a pulling tool, the fault tolerance of the tower drum is greatly increased, and the inner wall of the tower drum is greatly protected. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the magnetic attraction seat body of the present application;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the rubber-coated shell of the present application;

[0016] Figure 3 It is a schematic diagram of the installation and decomposition structure of the T-shaped fixing accessory of the present application;

[0017] Figure 4 It is a schematic diagram of the clamping block structure of the present application;

[0018] Figure 5 It is a schematic diagram of the use instruction of the magnetic attraction installation device of the present application.

[0019] In the figure: 1, magnetic seat body; 2, encapsulated shell; 3, T-shaped fixing fittings; 4, placing groove; 5, mounting groove; 6, locking screw; 7, locking hole; 8, clamping block; 9, clamping groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides the following technical scheme: a wind turbine tower drum curved surface modularization magnetic attraction installation device, including magnetic seat body 1 and install in the encapsulated shell 2 of magnetic seat body 1 surface, the surface of magnetic seat body 1 is connected with T-shaped fixing fittings 3, the surface of magnetic seat body 1 is set up with placing groove 4, the surface of T-shaped fixing fittings 3 is set up with mounting groove 5, the inner wall of placing groove 4 is set up with locking hole 7, the inner wall of encapsulated shell 2 is connected with clamping block 8, the surface of magnetic seat body 1 is set up with clamping groove 9 close to clamping block 8.

[0022] Preferably: magnetic seat body 1 is made of ordinary carbon structural steel and magnet, T-shaped fixing fittings 3 is made of austenitic stainless steel.

[0023] When used, through simulation test, design magnetic field effective parameter, provide safeguard for wind turbine tower drum curved surface modularization magnetic attraction installation device under different working conditions, T-shaped fixing fittings 3 adopts austenitic stainless steel material, effectively avoids that accessory is magnetized, in addition, modularization magnetic attraction installation device design can adapt to different models and specifications of wind turbine, has extensive application prospect, especially applicable to high altitude and complex terrain installation environment.

[0024] Preferably: the size of the bottom end of T-shaped fixing fittings 3 is adapted to the size of placing groove 4 on the surface of magnetic seat body 1.

[0025] Preferably: locking screw 6 is screwed through mounting groove 5 and locking hole 7.

[0026] When used, locking screw 6 is screwed through T-shaped fixing fittings 3 and mounting groove 5, which facilitates the assembly of T-shaped fixing fittings 3 and magnetic seat body 1 as a whole.

[0027] Preferably: magnetic seat body 1 and encapsulated shell 2 are connected by glue, and encapsulated shell 2 is made of rubber material.

[0028] Specific use, through the use of the encapsulation shell 2, the magnetic seat body 1 is adsorbed on the tower cylinder curved wall, immediately adapt to the adsorption surface, and fixed on the working surface.

[0029] Preferably: the clamping block 8 is made of rubber material, and the clamping block 8 and the clamping groove 9 form an interference fit.

[0030] Specific use, through the use of the encapsulation shell 2, the magnetic seat body 1 is adsorbed on the tower cylinder curved wall, immediately adapt to the adsorption surface, and fixed on the working surface.

[0031] The working principle of the utility model in specific use is: first, the magnetic seat body 1 is butted with the T-shaped fixing fitting 3, the T-shaped fixing fitting 3 is placed in the surface groove 4 of the magnetic seat body 1, then the locking screw 6 is screwed through the T-shaped fixing fitting 3 and the locking hole 7, then the shell encapsulation treatment is carried out, the clamping block 8 and the clamping groove 9 are embedded, finally, the pulse magnetic field is oriented and magnetized, and the outer surface magnetic flux is detected, then the magnetic seat body 1 is adsorbed on the curved inner wall and the top wall of the wind turbine generator tower cylinder, when it is adsorbed on the curved inner wall, it can bear more than 300kg horizontal tension, more than 180kg vertical tension; when it is adsorbed on the top wall, it can bear more than 300kg straight tension. Before adsorption, the operation position is determined, the operation is gripped along 90°, placed 2mm below the reserved position, and attached slowly, through the magnetic attraction design, the installation process does not need complex tools, workers can quickly complete the installation, significantly shortens the installation time, if the fixed position needs to be replaced, the pull-out tool can be used for disassembly and reinstallation, greatly increases the fault tolerance of the tower cylinder operation, and greatly protects the tower cylinder inner wall.

[0032] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A wind turbine tower curved surface modular magnetic suction installation device, comprising a magnetic suction seat body (1) and a rubber-coated shell (2) installed on the surface of the magnetic suction seat body (1), characterized in that: The surface of the magnetic seat body (1) is connected with a T-shaped fixing part (3), the surface of the magnetic seat body (1) is provided with a placing groove (4), the surface of the T-shaped fixing part (3) is provided with an installation groove (5), the inner wall of the placing groove (4) is provided with a locking hole (7), the inner wall of the rubber-coated shell (2) is connected with a clamping block (8), and the surface of the magnetic seat body (1) close to the clamping block (8) is provided with a clamping groove (9).

2. A wind turbine tower curved surface modular magnetic attraction installation device according to claim 1, characterized in that: The magnetic seat body (1) is made of ordinary carbon structural steel and magnets, and the T-shaped fixing part (3) is made of austenitic stainless steel.

3. A wind turbine tower curved surface modular magnetic attraction installation device according to claim 1, characterized in that: The bottom end size of the T-shaped fixing part (3) is matched with the size of the placing groove (4) on the surface of the magnetic seat body (1).

4. The wind turbine tower curved surface modular magnetic attraction installation device according to claim 1, characterized in that: The locking screw (6) is screwed through the installation groove (5) and the locking hole (7).

5. A wind turbine tower curved surface modular magnetic attraction installation device according to claim 1, characterized in that: The magnetic seat body (1) and the rubber-coated shell (2) are connected by glue, and the rubber-coated shell (2) is made of rubber material.

6. A wind turbine tower curved surface modular magnetic attraction installation device according to claim 1, characterized in that: The clamping block (8) is made of rubber material, and the clamping block (8) and the clamping groove (9) are in interference connection.