Climbing type blade ice removing device

Abstract

The utility model discloses a climbing type ice removing device for blades. The climbing type ice removing device comprises a climbing assembly, a walking assembly, a telescopic sleeve rod assembly and an ice removing assembly. The climbing assembly comprises a multi-joint connecting rod, a hydraulic rod and a hydraulic station; the walking assembly comprises a motor, a driving wheel, a driven wheel and a bearing; the telescopic loop bar assembly comprises a small arm, a large arm, a take-up motor and a pulley block; the deicing assembly comprises a spray head support, a spray head and an air compressor. The ice coating removing device is fixed to a fan tower through a climbing assembly and a pre-tightening force provided by a hydraulic rod. According to the deicing device, high-pressure compressed air deicing is achieved through the deicing assembly, meanwhile, the walking assembly is matched to achieve wide-area and accurate blade ice removal, and the deicing device can accurately and efficiently remove the blade ice.

Description

A climbing blade de-icing device Technical Field

[0001] This utility model belongs to the field of wind turbine blade maintenance equipment, specifically relating to a climbing blade de-icing device. Background Technology

[0002] The ocean holds immense wind energy, but high-latitude wind fields, due to higher humidity, lower temperatures, and more frequent cold waves, are prone to icing on wind turbine blades. Wind turbines convert wind energy into rotor mechanical energy through their blades to generate electricity. However, the presence of icing on the blades not only prevents the turbine from achieving its ideal power generation efficiency but also, due to localized ice shedding, alters the rotor's center of gravity, disrupting its dynamic balance. This can lead to turbine shutdowns or, in severe cases, resonance and collapse, resulting in significant losses. Currently, effective de-icing devices for wind turbine blades include drone-based mechanical de-icing and electric heating devices. However, these methods generally suffer from drawbacks such as cumbersome procedures, potential blade damage, high cost, and difficult installation and operation. Therefore, there is an urgent need for a de-icing device that is simple to operate, structurally sound, and less likely to damage the blades. Summary of the Invention

[0003] This invention provides a climbing blade de-icing device. The device can remove ice through high-pressure gas jets, climb the wind turbine tower with multi-jointed linkages, and provide driving power through the drive wheel, so as to achieve a simple, efficient and stable de-icing effect.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a climbing blade de-icing device, the de-icing device including a climbing component; a walking component fixed to the climbing component by bolts; a telescopic sleeve component fixed to the climbing component by bolts; and a de-icing component fixed to the other end of the telescopic sleeve component by a flange.

[0005] Preferably, the climbing assembly includes a multi-joint link; the two ends of the multi-joint link are connected to each other by hydraulic rods; and the multi-joint link is also provided with a hydraulic station for driving the extension and retraction of the hydraulic rods.

[0006] Preferably, the walking component includes a motor mounted on the climbing component; the motor has a drive wheel mounted on a bearing; and the climbing component also has a driven wheel.

[0007] Preferably, the driving wheel and the driven wheel are configured to be arc-shaped.

[0008] Preferably, the telescopic pole assembly includes a main arm directly connected to the climbing assembly; a forearm is provided at the front of the main arm; the forearm can extend and retract within the main arm via a winding motor and a pulley system connected thereto.

[0009] Preferably, the de-icing assembly includes a nozzle bracket directly connected to the telescopic sleeve assembly; the nozzle bracket is provided with multiple nozzles; the nozzles are supplied with high-pressure air by an air compressor provided on the climbing assembly.

[0010] Preferably, multiple nozzles are provided; the centerline of each nozzle forms a 32-degree angle with the plane of the nozzle support.

[0011] Compared with existing technologies, the advantages of this invention are: This de-icing device breaks away from the traditional method of preventing and removing icing by changing the blade structure, thus reducing de-icing costs and blade processing difficulty. This device achieves mechanical fixation through a climbing assembly, with a hydraulic rod providing controllable and pre-tightening force. The main and driven wheels provide friction and driving force. Adjusting the pre-tightening force better adapts to changes in tower size. The telescopic sleeve assembly, via a hydraulic push rod, ensures that the center of the de-icing assembly always coincides with the center of the blade. De-icing utilizes a high-pressure gas jet, impacting the icing area and using the bending and shear stresses caused by the impact to remove and detach the icing. Compared to traditional de-icing methods, this device is simple to operate, causes less damage to the wind turbine blades, has high de-icing efficiency, and is suitable for widespread application.

[0012] Other features and advantages of this disclosure will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments or related technologies of this disclosure, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are only embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0014] Figure 1 is an overall view of the de-icing device of this utility model;

[0015] Figure 2 is a structural diagram of the climbing component of the de-icing device of this utility model;

[0016] Figure 3 is a front sectional view of the telescopic sleeve assembly of the de-icing device of this utility model;

[0017] Figure 4 is a structural diagram of the de-icing component of the de-icing device of this utility model;

[0018] Figure 5 is a structural diagram of the walking component of the de-icing device of this utility model;

[0019] In the diagram: 1. Climbing assembly, 2. Walking assembly, 3. Telescopic boom assembly, 4. De-icing assembly, 11. Multi-joint linkage, 12. Hydraulic rod, 13. Hydraulic station, 21. Motor, 22. Drive wheel, 23. Driven wheel, 24. Bearing, 31. Forearm, 32. Boom, 33. Retractor motor, 34. Pulley block, 41. Nozzle bracket, 42. Nozzle, 43. Air compressor. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0022] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0023] Please refer to Figures 1-5. This utility model provides a technical solution: a climbing blade de-icing device, including a climbing component 1, a traveling component 2, a telescopic sleeve component 3, and a de-icing component 4. The climbing component 1 includes a hydraulic station 13, a hydraulic rod 12, and a multi-joint connecting rod 11. The multi-joint connecting rod 11 consists of multiple connecting rods connected by hinges, which facilitates fitting the wind turbine tower. The point contact is converted into surface contact through the main and driven wheels 22 and 23. The main and driven wheels are made of rubber to increase friction. The hydraulic station 13 is bolted to the connecting rod to deliver hydraulic oil to the hydraulic rod 12, which provides preload. The preload is linearly controlled by controlling the oil volume.

[0024] The climbing assembly 1 includes a multi-joint link 11, a hydraulic rod 12, and a hydraulic station 13. The hydraulic station 13 provides power to the hydraulic rod 12, which is bolted to the link. The multi-joint link 11 is connected to each other by hinges.

[0025] The walking assembly 2 includes a drive wheel 22, a driven wheel 23, and a motor 21. The motor 21 provides driving force to the device, causing the drive wheel 22 to rotate. The motor 21 is fastened to the connecting rod by bolts and is located inside the multi-joint connecting rod 11.

[0026] The de-icing assembly 4 includes an air compressor 43, a nozzle 42, and a nozzle bracket 41. The air compressor 43 converts low-pressure air into high-pressure compressed air, which is then transported to the nozzle 42 via an air pipe. The nozzle 42 has a small cross-sectional area, further increasing the compressed air velocity. The high-pressure jet impacts the ice-covered area at the blade junction, causing the ice to detach from the blade surface under shear force and bending stress. The air compressor 43 is bolted to a connecting rod, and the nozzle 42 is welded to the nozzle bracket 41. The nozzle bracket 41 is connected to the telescopic sleeve assembly 3 via a flange.

[0027] The telescopic sleeve assembly 3 includes a telescopic sleeve, a take-up motor 33, and a pulley block 34. The take-up motor 33 is located on one side of the telescopic sleeve rod and is fastened to the connecting rod by bolts. The pulley block 34 is built into the telescopic sleeve. The pulley block 34 and the take-up motor 22 are used to take up and unload the line, realizing the controllable extension and retraction of the telescopic sleeve rod. The pulley block 34 is hinged to the telescopic sleeve.

[0028] Open the detachable hinge at the multi-joint connecting rod 11 to enclose the bottom of the wind turbine tower. Close the hinge and start the hydraulic station 13 to retract the hydraulic rod 12, providing pre-tension to the device. When a certain threshold is reached, the hydraulic rod 12 locks to protect the tower from damage. Start the drive motor 21 to transmit power to the drive wheel 22, enabling the device to move on the tower. When the device reaches the blade tip, the take-up motor 33 starts, adjusting the distance between the de-icing assembly 4 and the tower by taking up and releasing the line, so that the center of the nozzle support coincides with the center of the blade. The air compressor 43 starts, delivering high-pressure compressed gas through the pipeline to the nozzle 42, impacting the junction between the blade and the ice, thus removing the ice from the blade.

[0029] The multi-joint connecting rod 11 and the telescopic sleeve assembly 3 of the device are both made of aluminum alloy square tubes. While reducing the overall weight of the device, they can also withstand greater tensile and shear stresses and resist plastic deformation caused by excessive preload.

[0030] The main and driven wheels are made of rubber. On the one hand, rubber can produce large elastic deformation. On the other hand, rubber has a high coefficient of friction. Under the same normal pressure conditions, rubber can generate a large friction force with other materials, which can not only meet the climbing conditions, but also protect the tower and prevent damage to the tower.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A climbing blade de-icing device, characterized in that: The de-icing device includes a climbing assembly (1); a walking assembly (2) is bolted to the climbing assembly (1); a telescopic sleeve assembly (3) is bolted to the climbing assembly (1); a de-icing assembly (4) is bolted to the other end of the telescopic sleeve assembly (3); the walking assembly (2) includes a motor (21) mounted on the climbing assembly (1); the motor (21) has a drive wheel (22) mounted on a bearing (24); the climbing assembly (1) also has a driven wheel (23); the telescopic sleeve assembly ( 3) Includes a large arm (32) directly connected to the climbing assembly (1); a small arm (31) is provided at the front of the large arm (32); the small arm (31) can extend and retract within the large arm (32) through a winding motor (33) and a pulley group (34) connected thereto; the de-icing assembly (4) includes a nozzle bracket (41) directly connected to the telescopic sleeve assembly (3); multiple nozzles (42) are provided on the nozzle bracket (41); the nozzles (42) are supplied with high-pressure air through an air compressor (43) provided on the climbing assembly (1).

2. The climbing blade de-icing device according to claim 1, characterized in that: The climbing assembly (1) includes a multi-joint link (11); the two ends of the multi-joint link (11) are connected to each other by a hydraulic rod (12); the multi-joint link (11) is also provided with a hydraulic station (13) for driving the hydraulic rod (12) to extend and retract.

3. The climbing blade de-icing device according to claim 1, characterized in that: The driving wheel (22) and the driven wheel (23) are configured as arcs.

4. The climbing blade de-icing device according to claim 1, characterized in that: Multiple nozzles (42) are provided; the center line of the nozzle (42) forms a 32-degree angle with the plane of the nozzle support (41).

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