Fan blade maintenance device
By designing a wind turbine blade maintenance device, which uses an electric telescopic rod and lever to adjust the height and position of the toolbox, the problem of frequent tool switching and safety hazards during high-altitude maintenance of wind turbine blades has been solved. This has enabled efficient and safe tool storage and retrieval, improving maintenance efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-27
AI Technical Summary
During high-altitude maintenance of wind turbine blades, frequent tool switching and limited space in the suspended platform lead to safety hazards and low efficiency. Furthermore, the lack of a dedicated tool storage area affects maintenance efficiency and safety.
Design a wind turbine blade maintenance device, including a base, a fixing ring, a top ring, a lifting ring, a rotating ring, and a toolbox. The height is adjusted by an electric telescopic rod, and the toolbox is positioned by a lever rotation, providing a convenient way to store and retrieve tools and reducing the risk of moving them at heights.
It improves the convenience and efficiency of high-altitude maintenance, reduces safety risks, and ensures that tools are always in the best position for use, thus enhancing the comfort and safety of maintenance operations.
Smart Images

Figure CN224049330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan maintenance technical field, especially a fan blade maintenance device. BACKGROUND
[0002] With the rapid development of wind power industry, the performance and reliability of fan blades as key components for capturing wind energy are crucial. However, fan blades are exposed to complex natural environments for a long time, such as strong wind, dust, rain, salt spray, etc., which can cause surface wear, corrosion, cracks and other damage. These damages not only reduce the power generation efficiency of the fan, but also may cause blade rupture and other serious safety accidents. Therefore, it is necessary to regularly maintain and timely repair the fan blades.
[0003] In the repair work of fan blades, a basket is generally used as a carrier to lift maintenance workers to the high position of the fan blade. Various tools and professional equipment are neatly placed on the basket. When the basket is lifted to the designated position, the maintenance worker needs to quickly open the maintenance equipment and skillfully pick up the maintenance tools to carry out detailed maintenance on the blade, such as precise fastening of the key parts of the blade.
[0004] During the maintenance process, due to the complexity of the work, the worker needs to frequently switch the tools in hand. At this time, the maintenance worker has to frequently move in the basket, and the space of the basket is limited and in the high altitude, which easily causes the violent shaking of the basket and brings great safety hazards. In addition, the basket design has deficiencies, and there is no special and convenient place for temporary storage of maintenance tools and parts, which causes the worker to be in a hurry during maintenance, seriously affecting the maintenance efficiency and not convenient for the smooth development of maintenance work.
[0005] To solve the above problems, the utility model provides a fan blade maintenance device. CONTENT OF THE UTILITY MODEL
[0006] To solve the problems in the background art, the utility model provides a fan blade maintenance device.
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a fan blade maintenance device, comprising a base, a fixing ring and a top ring; the base and the fixing ring are fixedly connected through a first connecting rod, and the fixing ring and the top ring are fixedly connected through a second connecting rod; a lifting ring is movably arranged on the outer side of the second connecting rod, a rotating ring is rotatably arranged on the inner side of the lifting ring, and a tool box is fixedly installed on the rotating ring; a fence door is limitingly and rotatably installed between the base and the fixing ring.
[0008] The utility model is further provided with the tool box fixedly installed on the inner side of the rotating ring, and a plurality of hooks are fixedly installed on the side wall of the tool box.
[0009] The utility model further sets up, the inner wall of the lifting ring is provided with annular groove, rotates and installs in the annular groove inside, the upper end surface of rotating ring is even fixed with a plurality of pole lever around the axis of rotating ring.
[0010] The utility model further sets up, one side of the fence door is through the pivot rotation installation in the opposite surface of base and fixed ring, the other side bottom end of fence door is provided with round groove, the inside limit sliding installation of round groove is limited to the lever, the upper end surface of base is provided with the limit groove, and the limit lever and limit groove plug in fit.
[0011] The utility model further sets up, the inside of round groove is fixed with spring, and the other end of spring is fixedly connected with the limit lever;The sidewall of fence door is provided with the sliding slot, and the sliding installation of sliding slot has the pull -out board, and the pull -out board is fixedly connected with the limit lever.
[0012] The utility model further sets up, the upper end surface of base is even fixed installation with electric telescopic handle around the axis of base, and the telescopic end of electric telescopic handle passes through fixed ring and forms the sliding fit, and the telescopic end of electric telescopic handle is fixedly connected with the bottom surface of lifting ring.
[0013] The utility model further sets up, and the top end both sides of top ring are fixedly installed with the hanging buckle.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] The fan blade maintenance device drives the rotating ring and the tool box to realize height adjustment through the electric telescopic rod, and adapts to different operation requirements;The tool box can be positioned by rotating the rotating ring in the annular groove through the pole lever. This design keeps the tool in the best position for use, significantly improving the convenience and efficiency of high-altitude maintenance operation. The rotatable tool box design allows workers to quickly access tools without moving positions, reducing the risk of movement during high-altitude operation, while the height adjustment function ensures that the tool is always at the most comfortable operating height. The structures work together to achieve the convenience of tool access, improving maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model is further illustrated as follows in combination with the drawings and examples:
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the local sectional structure schematic diagram of the utility model;
[0019] Figure 3 It is the utility model Figure 2An enlarged schematic view at middle A;
[0020] Figure 4 A cross-sectional structure schematic view of the utility model.
[0021] The drawings are marked: 1, base; 2, fixed ring; 3, top ring; 4, first connecting rod; 5, second connecting rod; 6, lifting ring; 7, rotating ring; 8, tool box; 9, fence door; 10, hanging buckle; 11, annular groove; 12, lever; 13, round groove; 14, limiting rod; 15, limiting groove; 16, spring; 17, sliding slot; 18, pull plate; 19, electric telescopic rod; 20, hanging buckle. DETAILED DESCRIPTION
[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0024] In the utility model, unless otherwise stated, the orientation such as "up, down" is generally for the direction shown in the drawings, or for the vertical, perpendicular or gravity direction; Similarly, for the convenience of understanding and description, "left, right" is generally for the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a fan blade maintenance device, including base 1, fixed ring 2 and top ring 3.Base 1 is fixedly connected with fixed ring 2 by first connecting rod 4, and fixed ring 2 is fixedly connected with top ring 3 by second connecting rod 5.First connecting rod 4 and second connecting rod 5 form stable frame structure, ensure that the rigidity of device whole, improve high-altitude operation safety.
[0026] The top end of top ring 3 is fixedly installed with hanging buckle 20 on both sides.
[0027] Lifting ring 6 is movably arranged on the outer side of second connecting rod 5, specifically, the upper end surface of base 1 is uniformly fixedly installed around the axis of base 1 with electric telescopic rod 19, and the telescopic end of electric telescopic rod 19 passes through fixed ring 2 and forms sliding fit, and the telescopic end of electric telescopic rod 19 is fixedly connected with the bottom surface of lifting ring 6.
[0028] The inner side of the lifting ring 6 is rotatably provided with a rotating ring 7. Specifically, an annular groove 11 is formed in the inner wall of the lifting ring 6, and the rotating ring 7 is rotatably installed in the annular groove 11. A plurality of pull levers 12 are uniformly fixed to the upper end surface of the rotating ring 7 around the axis of the rotating ring 7.
[0029] A tool box 8 is fixedly installed on the inner side of the rotating ring 7. A plurality of hanging buckles 10 are fixedly installed on the side wall of the tool box 8. The hanging buckles 10 can hang various maintenance tools.
[0030] A fence door 9 is limitingly rotatably installed between the base 1 and the fixed ring 2. Specifically, one side of the fence door 9 is rotatably installed on the opposite surface of the base 1 and the fixed ring 2 through a rotating shaft. A circular groove 13 is formed in the other side and bottom end of the fence door 9. A limiting rod 14 is limitingly slidably installed in the circular groove 13. A limiting groove 15 is formed in the upper end surface of the base 1. The limiting rod 14 and the limiting groove 15 are insertedly connected. A spring 16 is fixedly connected to the inside of the circular groove 13. The other end of the spring 16 is fixedly connected to the limiting rod 14. A sliding groove 17 is formed in the side wall of the fence door 9. A pull plate 18 is slidably installed in the sliding groove 17. The pull plate 18 is fixedly connected to the limiting rod 14. The inserted limiting structure ensures that the fence door 9 is firmly locked when closed, thereby ensuring the safety of high-altitude work.
[0031] Working principle:
[0032] When using the device, first, the pull plate 18 is pulled up to drive the limiting rod 14 to disengage from the inside of the limiting groove 15, thereby releasing the limiting state of the fence door 9. After successfully opening the fence door 9, a convenient passage is provided for the worker, so that he can easily enter the inside of the device to carry out work. After the worker enters, the fence door 9 is closed, thereby providing a more reliable working space for the worker.
[0033] Then, the electric telescopic rod 19 can be started. The telescopic end of the electric telescopic rod 19 starts to work, driving the lifting ring 6 to move up and down on the outside of the second connecting rod 5. In this process, the lifting ring 6 drives the rotating ring 7 and the tool box 8 to move up and down synchronously. In this way, the use height of the tool box 8 can be flexibly adjusted. For workers of different heights or work requirements of different heights, this height-adjustable design greatly improves the convenience and comfort of work. The worker no longer needs to bend over or stand on tiptoe to pick up tools, effectively reducing the physical burden and improving work efficiency.
[0034] Further, by pulling the pulling lever 12, the rotating ring 7 is rotated around the axis of the lifting ring 6 inside the annular groove 11. In this rotating process, the tool box 8 can be rotated to a position close to the worker. In this way, the worker can more easily and quickly take the tools in the tool box 8, without the need to move in the device to find the tools, reducing unnecessary actions, further improving work efficiency, and also reducing the safety risks that may be caused by frequent movement in the device.
[0035] The above describes the embodiments of the utility model in detail 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 maintenance device comprising a base (1), a fixing ring (2) and a top ring (3); characterized in that: The base (1) is fixedly connected with the fixing ring (2) through the first connecting rod (4), the fixing ring (2) is fixedly connected with the top ring (3) through the second connecting rod (5), the outer side of the second connecting rod (5) is movably provided with the lifting ring (6), the inner side of the lifting ring (6) is rotatably provided with the rotating ring (7), the rotating ring (7) is fixedly installed with the tool box (8), and the base (1) and the fixing ring (2) are rotatably installed with the fence door (9).
2. A fan blade maintenance device according to claim 1, characterised in that: The tool box (8) is fixedly installed on the inner side of the rotating ring (7), and a plurality of hanging buckles (10) are fixedly installed on the side wall of the tool box (8).
3. A fan blade maintenance device according to claim 1, wherein: The inner wall of the lifting ring (6) is provided with an annular groove (11), the rotating ring (7) is rotatably installed in the annular groove (11), and the upper end surface of the rotating ring (7) is uniformly and fixedly connected with a plurality of lever rods (12) around the axis of the rotating ring (7).
4. A fan blade maintenance device according to claim 1, wherein: One side of the fence door (9) is rotatably installed on the opposite surface of the base (1) and the fixing ring (2) through a rotating shaft, the other side of the fence door (9) is provided with a circular groove (13) at the bottom end, a limiting rod (14) is slidably installed in the circular groove (13), a limiting groove (15) is formed in the upper end surface of the base (1), and the limiting rod (14) and the limiting groove (15) are inserted and matched.
5. A fan blade maintenance device according to claim 4, wherein: The circular groove (13) is fixedly connected with a spring (16), the other end of the spring (16) is fixedly connected with the limiting rod (14), a sliding groove (17) is formed in the side wall of the fence door (9), a pull plate (18) is slidably installed in the sliding groove (17), and the pull plate (18) is fixedly connected with the limiting rod (14).
6. A fan blade maintenance device according to claim 1, wherein: The upper end surface of the base (1) is uniformly and fixedly installed with an electric telescopic rod (19) around the axis of the base (1), the telescopic end of the electric telescopic rod (19) penetrates through the fixing ring (2) and forms a sliding fit, and the telescopic end of the electric telescopic rod (19) is fixedly connected with the bottom surface of the lifting ring (6).
7. A fan blade maintenance device according to claim 1, wherein: The top end of the top ring (3) is fixedly installed with a hanging buckle (20) on both sides.