Wind power blade lifting device

By designing a lifting device that supports the outer frame and lifts the inner frame, and utilizing a telescopic drive device and a telescopic support bracket, the problem of wind turbine blades being difficult to transfer to transport vehicles was solved, achieving stable lifting and efficient loading, and improving handling efficiency and safety.

CN223606992UActive Publication Date: 2025-11-28RUINENG ENG CO LTD
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Patent Information

Application Number
CN202520047701.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-11-28
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing wind turbine blade lifting devices are not convenient for transferring blades to transport vehicles, requiring the use of large hoisting equipment, which makes the transfer operation inconvenient.

Method used

A lifting device comprising a supporting outer frame and a lifting inner frame was designed. Utilizing a telescopic drive device and a telescopic support bracket, it can be adjusted according to the blade shape to achieve stable lifting and movement, adapting to different blade models. The loading operation is realized through steerable moving wheels and a telescopic drive device.

Benefits of technology

It improves the handling efficiency and safety of wind turbine blades, enhances the versatility and stability of the equipment, simplifies the loading process, and reduces reliance on large hoisting equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wind power equipment, and discloses a wind power blade lifting device which comprises a lifting mechanism body, the lifting mechanism body is composed of a supporting outer frame and a lifting inner frame, the supporting outer frame and the lifting inner frame are connected in a sliding mode, and a telescopic driving device is arranged between the supporting outer frame and the lifting inner frame. A telescopic supporting bracket is arranged on the inner side of the lifting inner frame and matched with the outer wall of the wind power blade. During use, the telescopic supporting bracket is opened, the telescopic driving device pushes the telescopic supporting bracket to descend to the outer part of the blade and is clamped, the starting device shrinks, the lifting inner frame and the supporting bracket are pulled up, and the blade is supported. In actual work, the multiple sets of lifting mechanism bodies are installed at different positions of the blade, the bottom of each lifting mechanism body is provided with the steerable moving wheels, and the blade is stably lifted and moved. During loading, the supporting outer frame can move to the outer side of the compartment along a vehicle body in parallel, the blades are driven to the upper portion of the compartment, the telescopic driving device is started to stretch, the blades are slowly placed on the compartment through the supporting bracket, then the supporting bracket is opened to be separated from the blades, the lifting mechanism body retreats from the compartment, and a loading vehicle transports the blades to a mounting place.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wind power equipment technical field, concretely is a wind power blade lifting device. BACKGROUND

[0002] The wind power blade is one of the key components of the wind power generation system, and its size and weight are large, and needs to be lifted and carried in the production, transportation and installation process. In order to improve the production efficiency, guarantee the quality and safety of the blade, a specially designed lifting device is needed, which can realize the stable lifting, accurate movement and safe loading and unloading of the blade.

[0003] According to CN118322153A, the wind power blade lifting device includes a limiting unit and a supporting unit, the position of the connecting plate can be fixed in advance through the limiting unit, so that the hands of the operator are freed, and the operator can operate better, and the blade body and the connecting structure are lifted through the supporting unit;

[0004] But the above-mentioned wind power blade lifting device is arranged at the bottom of the blade body, and the lifting height is fixed, so that the lifted wind power blade is inconvenient to transfer to the transport vehicle, and the large lifting equipment is still needed when the wind power blade is loaded and transported, so that the transfer operation is inconvenient.

[0005] Therefore, we propose a wind power blade lifting device to solve the problems in the above background. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a wind power blade lifting device to solve the problem that the existing wind power blade lifting device is inconvenient to transfer the lifted wind power blade to the transport vehicle.

[0007] In order to solve the above technical problem, the utility model provides the following technical scheme:

[0008] A wind power blade lifting device, including lifting mechanism body, the lifting mechanism body includes support outer frame and lifting inner frame, the lifting inner frame is connected in the inside of support outer frame and slides, the support outer frame and lifting inner frame between installation have telescopic drive arrangement, the telescopic drive arrangement drives the lifting inner frame to lift and slide in the inside of support outer frame, the inside of lifting inner frame is provided with telescopic support and holds, the inside space of telescopic support is adapted to the outer wall of wind power blade.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The wind power blade lifting device can realize stable lifting and moving of the wind power blade, improves the carrying efficiency and safety of the wind power blade, the telescopic support can be adjusted according to the shape of the wind power blade, is suitable for wind power blades of different models, improves the versatility of the device, the lifting mechanism body can move in parallel along the direction of the vehicle body, the wind power blade is conveniently placed on the vehicle compartment, and the loading efficiency is improved;

[0011] The telescopic support is composed of two supporting plates and two electric push rods arranged symmetrically, the electric push rod drives the supporting plate to move horizontally, and opening and closing are realized. When the wind power blade is lifted, the electric push rod separates the supporting plates, the telescopic support is opened, the blade is placed on the telescopic support, and then the supporting plates are driven to be close to each other, so that the supporting groove is clamped to fix the blade.

[0012] The telescopic drive device drives the lifting inner frame to slide up and down on the inner side of the supporting outer frame through the telescopic end of the telescopic cylinder, and the height is adjusted.

[0013] The T-shaped sliding support block is fixedly connected to the upper end of the supporting plate, the T-shaped supporting groove is arranged in the inner side of the top end of the lifting inner frame, and the sliding support block slides in the supporting groove. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole external structure schematic view of the utility model;

[0015] Fig. 2 It is a supporting outer frame and lifting inner frame expanded structure schematic view of the utility model;

[0016] Fig. 3 It is a sliding support block and T-shaped supporting groove connecting structure schematic view of the utility model.

[0017] 1, lifting mechanism body; 2, supporting outer frame; 3, lifting inner frame; 5, telescopic support; 6, traction rope; 7, supporting plate; 8, electric push rod; 9, clamping groove; 11, telescopic cylinder; 12, lifting groove; 13, sliding block; 14, sliding support block; 15, T-shaped supporting groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] Embodiment one:

[0020] Please refer to Figs. 1-3 The present application provides a technical solution:

[0021] The wind power blade lifting device comprises a lifting mechanism body 1, the lifting mechanism body 1 comprises a supporting outer frame 2 and a lifting inner frame 3, the lifting inner frame 3 is slidingly connected to the inner side of the supporting outer frame 2, a telescopic driving device is installed between the supporting outer frame 2 and the lifting inner frame 3, a telescopic supporting bracket 5 is arranged on the inner side of the lifting inner frame 3, the inner side space of the telescopic supporting bracket 5 is matched with the outer wall of the wind power blade, in use, the telescopic supporting bracket 5 is opened, the lifting inner frame 3 and the telescopic supporting bracket 5 on the inner side thereof are pushed downward by the telescopic driving device, the opened telescopic supporting bracket 5 is lowered to the outside of the wind power blade, and then the telescopic supporting bracket 5 is shrunk and clamped on the outside of the wind power blade, at this time, the telescopic driving device is started, the telescopic driving device is shrunk, so that the lifting inner frame 3 is pulled upward to the top of the supporting outer frame 2, the lifting inner frame 3 drives the telescopic supporting bracket 5 to rise, and the telescopic supporting bracket 5 lifts the wind power blade fixed in the inside thereof, in actual work, the lifting mechanism body 1 for lifting the wind power blade has two groups or more, each group of the lifting mechanism body 1 is installed at different positions of the wind power blade, and the bottom of the supporting outer frame 2 is provided with a steering movable wheel, the wind power blade is stably lifted by the two groups or more of the lifting mechanism body 1, the steering movable wheel is used to drive the lifting mechanism body 1 to move, so that the wind power blade can enter the warehouse for storage or be moved to the transport vehicle for loading, when the wind power blade is loaded, the supporting outer frame 2 can be moved in parallel along the direction of the vehicle body, the supporting outer frame 2 is moved to cross the outside of the vehicle compartment, at the same time, the supporting outer frame 2 drives the wind power blade on the inner side to move to the upper part of the vehicle compartment, the telescopic driving device is stretched, the telescopic driving device pushes the lifting inner frame 3 to slowly descend, so that the telescopic supporting bracket 5 on the inner side of the lifting inner frame 3 slowly places the wind power blade on the vehicle compartment, the telescopic supporting bracket 5 is opened to the two sides, so that the wind power blade in the inside thereof is separated from the lifting mechanism body 1, the lifting mechanism body 1 exits to the outside of the vehicle compartment, and the loading vehicle drives the wind power blade on the vehicle compartment to move and is transported to the installation site.

[0022] Further, the traction rope 6 is installed between the two support outer frames 2, the plurality of support outer frames 2 are connected through the traction rope 6, the length of the traction rope 6 is adjusted according to the distance between the two support outer frames 2, and the traction rope 6 is kept in a tension state. Through the connection of the traction rope 6, the plurality of lifting mechanism bodies 1 move synchronously, and the stability of the wind power blade transfer is ensured.

[0023] The telescopic support bracket 5 includes two symmetrical support plates 7 and two electric push rods 8, the inner side of each support plate 7 is provided with a clamping groove 9, the clamping grooves 9 of the two symmetrical support plates 7 form a support groove matched with the shape of the wind power blade, one end of the electric push rod 8 is fixedly connected with the inner side of the lifting inner frame 3, and the other end is fixedly connected with the outer side of the support plate 7. The support plate 7 is horizontally moved by the electric push rod 8. When the two symmetrical support plates 7 are separated, the telescopic support bracket 5 is opened. When the two symmetrical support plates 7 are close to each other, the support groove in the inner side of the support plate 7 clamps and fixes the wind power blade.

[0024] The support groove of the telescopic support bracket 5 of the lifting mechanism body 1 installed at different positions of the wind power blade is matched with the shape of the corresponding position of the wind power blade.

[0025] Further, the telescopic drive device is a telescopic cylinder 11, the telescopic cylinder 11 is fixedly installed on the middle upper end of the support outer frame 2, the telescopic end of the telescopic cylinder 11 is fixedly connected with the middle upper end of the lifting inner frame 3, the lifting inner frame 3 is driven by the telescopic end of the telescopic cylinder 11 to slide up and down on the inner side of the support outer frame 2, and the height is adjusted. Since the telescopic cylinder 11 is installed on the middle of the support outer frame 2 and the telescopic end thereof is fixedly connected with the middle of the lifting inner frame 3, the lifting stability of the lifting inner frame 3 is ensured, so that the telescopic support bracket 5 in the lifting inner frame 3 drives the wind power blade to stably lift.

[0026] Further, the support outer frame 2 is a U-shaped frame with an opening downward, lifting grooves 12 are formed in the inner sides of the two ends of the support outer frame 2, and sliding blocks 13 are fixedly connected with the two ends of the lifting inner frame 3 respectively. The sliding blocks 13 are slidingly connected in the inner sides of the lifting grooves 12. This structure makes the lifting inner frame 3 stably slide up and down on the inner side of the support outer frame 2, avoids sliding or tilting during lifting, and ensures the stability of the device.

[0027] Further, the sliding support block 14 is fixedly connected with the upper end of the support plate 7, the sliding support block 14 is T-shaped, a T-shaped support groove 15 is formed in the inner side of the top end of the lifting inner frame 3, and the sliding support block 14 is slidingly connected in the inner side of the T-shaped support groove 15. When the sliding support block 14 moves with the support plate 7, the T-shaped support groove 15 supports the sliding support block 14 due to the cooperation between the sliding support block 14 and the inner side of the T-shaped support groove 15, and the sliding support block 14 supports the support plate 7, so that the two symmetrical support plates 7 stably support the wind power blade.

[0028] The working principle of the wind power blade lifting device is as follows:

[0029] In use, the telescopic support bracket 5 is opened, the telescopic drive device is used to push the lifting inner frame 3 and the telescopic support bracket 5 on the inner side thereof to descend, the opened telescopic support bracket 5 is lowered to the outside of the wind power blade, and then the telescopic support bracket 5 is contracted and clamped on the outside of the wind power blade. The telescopic drive device is started and contracted, so as to pull the lifting inner frame 3 to ascend to the top of the support outer frame 2, the lifting inner frame 3 drives the telescopic support bracket 5 to ascend, and the telescopic support bracket 5 lifts the wind power blade fixed in the inside thereof.

[0030] In actual work, the lifting mechanism body 1 for lifting the wind power blade has two groups or more, each group of the lifting mechanism body 1 is installed at different positions of the wind power blade, the support outer frame 2 is provided with a steering movable wheel at the bottom, the wind power blade is stably lifted by the two groups or more of the lifting mechanism body 1, and then the lifting mechanism body 1 drives the wind power blade to move through the steering movable wheel.

[0031] When the wind power blade is loaded on the vehicle, the support outer frame 2 can move in parallel along the direction of the vehicle body, the support outer frame 2 is moved to cross to the outside of the vehicle compartment, and the wind power blade on the inner side of the support outer frame 2 is moved to the upper portion of the vehicle compartment.

[0032] The telescopic drive device is started to extend, the telescopic drive device is used to slowly lower the lifting inner frame 3, so that the telescopic support bracket 5 on the inner side of the lifting inner frame 3 slowly places the wind power blade on the vehicle compartment. Then the telescopic support bracket 5 is opened to the two sides, the wind power blade in the inside thereof is separated from the lifting mechanism body 1, the lifting mechanism body 1 is withdrawn to the outside of the vehicle compartment, the vehicle carrying the wind power blade on the vehicle compartment is moved, and the wind power blade is transported to the installation site.

[0033] Although the specific embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the specific embodiments without departing from the principles and spirits, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade lifting device comprising a lifting mechanism body (1), characterised in that: The lifting mechanism body (1) comprises a supporting outer frame (2) and a lifting inner frame (3), the lifting inner frame (3) is slidingly connected to the inner side of the supporting outer frame (2), a telescopic driving device is installed between the supporting outer frame (2) and the lifting inner frame (3), the telescopic driving device drives the lifting inner frame (3) to slide up and down in the supporting outer frame (2), a telescopic supporting bracket (5) is arranged on the inner side of the lifting inner frame (3), and the inner space of the telescopic supporting bracket (5) is matched with the outer wall of the wind power blade.

2. A wind turbine blade lifting device according to claim 1, characterised in that: A traction rope (6) is installed between the two supporting outer frames (2), the length of the traction rope (6) can be adjusted, and the traction rope (6) is kept in a tension state.

3. A wind turbine blade lifting device according to claim 1, characterised in that: The telescopic supporting bracket (5) comprises two supporting plates (7) arranged symmetrically and two electric push rods (8), the inner side of each supporting plate (7) is provided with a clamping groove (9), the clamping grooves (9) of the two symmetric supporting plates (7) form a supporting groove matched with the shape of the wind power blade, one end of the electric push rod (8) is fixedly connected to the inner side of the lifting inner frame (3), and the other end of the electric push rod (8) is fixedly connected to the outer side of the supporting plate (7).

4. A wind turbine blade lifting device according to claim 3, characterised in that: The telescopic driving device is a telescopic cylinder (11), the telescopic cylinder (11) is fixedly installed on the middle upper end of the supporting outer frame (2), and the telescopic end of the telescopic cylinder (11) is fixedly connected to the middle upper end of the lifting inner frame (3).

5. A wind turbine blade lifting device according to claim 4, characterised in that: The supporting outer frame (2) is a U-shaped frame with an opening downward, lifting grooves (12) are formed in the inner sides of the two ends of the supporting outer frame (2), and sliding blocks (13) are fixedly connected to the two ends of the lifting inner frame (3), respectively.

6. A wind turbine blade lifting device according to claim 5, characterised in that: A sliding supporting block (14) is fixedly connected to the upper end of the supporting plate (7), the sliding supporting block (14) is T-shaped, a T-shaped supporting groove (15) is formed in the inner side of the top end of the lifting inner frame (3), and the sliding supporting block (14) is slidingly connected to the inner side of the T-shaped supporting groove (15).

Citation Information

Patent Citations

  • Wind power blade lifting device

    CN118322153A