Paddle adjusting device of wind driven generator

By designing a wind turbine blade adjustment device that includes lightning rod, wind tail, hydraulic press and universal club, the problem of wind turbines being easily hit by lightning in rainy weather is solved, and the wind energy conversion efficiency is improved.

CN222810903UActive Publication Date: 2025-04-29DATANG HENAN CLEAN ENERGY CO LTD
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Patent Information

Application Number
CN202420934714.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-04-29
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

Existing wind turbines are prone to lightning strikes in rainy weather, resulting in equipment damage or fire, and the restricted adjustment of the blade angle leads to a reduced wind energy efficiency.

Method used

A wind turbine blade adjustment device is designed, including square blades, fixed blocks, box, lightning rods, heat sinks, wind tails, support rods, hydraulic presses and universal clubs. Through the synergy of these components, the automatic adjustment and lightning protection functions of the blades are realized.

Benefits of technology

Effectively prevent lightning damage, improve wind energy conversion efficiency, and ensure stable operation of equipment under different wind speeds and weather conditions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222810903U_ABST
Patent Text Reader

Abstract

The utility model discloses a wind driven generator blade adjusting device which comprises a square blade, a fixing block and a box body, one side of the upper surface of the box body is fixedly connected with a first supporting block, and one side of the upper surface of the first supporting block is fixedly connected with a lightning rod; and one side of the outer surface of the box body is fixedly connected with a heat dissipation plate, and one side of the outer surface of the box body is rotationally connected with a wind direction tail. According to the blade adjusting device of the wind driven generator, through arrangement of the square blades, the fixing blocks, the box body, the first supporting blocks, a lightning rod, a heat dissipation plate and a wind direction tail, in use, in order to prevent cloudy and rainy days, the lightning rod is used for protecting equipment from being damaged by lightning strokes, and when wind blows over the wind direction tail, the wind direction tail rotates under the action of wind power; the air outlet direction is indicated, and an operator can know the air direction by observing the position of the air direction tail, so that the position of equipment is adjusted in time to enable the equipment to be right opposite to the air, and the maximum wind energy conversion efficiency is obtained.
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Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation equipment, in particular to a wind power generator blade regulating device. Background Art

[0002] The blade adjustment device of a wind turbine is a key technology that can effectively adjust the blade angle to optimize the performance of the wind turbine. This device is usually composed of a motor, a transmission system, and a control system. It can automatically adjust the blade angle according to changes in wind force to ensure that the wind turbine can operate efficiently at different wind speeds. At present, lightning strikes on existing wind turbines in rainy weather may cause equipment damage or even cause safety accidents such as fires, posing a serious threat to personnel and equipment.

[0003] After searching, China Patent Publication (Announcement) No. 202311259397.1 discloses a blade adjustment device for a wind turbine generator set, which is fixedly connected to the fairing through a limit sleeve, and a through groove is opened on the circumferential surface of the fairing, and a bearing sleeve is fixedly connected in the through groove, and the rotating bearing is rotatably connected to the inner side of the bearing sleeve, and the rotating ring is rotatably connected to the inner wall of the fairing to adjust the blades. Although the above patent adjusts the blades, due to rainy weather, lightning strikes may cause equipment damage and even cause safety accidents such as fires. Accidents can be prevented by setting a lightning rod, and due to the limitation on the adjustment position of the blade angle, the efficiency of wind energy will be reduced. By setting a universal ball rod, the adjustment angle of the blade is increased, thereby increasing the wind energy efficiency. Therefore, it is necessary to design a blade adjustment device for a wind turbine generator. Utility Model Content

[0004] The main purpose of the utility model is to provide a wind turbine blade adjustment device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A wind turbine blade adjustment device comprises a square blade, a fixing block and a box body, wherein one side of the upper surface of the box body is fixedly connected to a first supporting block, and one side of the upper surface of the first supporting block is fixedly connected to a lightning rod; one side of the outer surface of the box body is fixedly connected to a heat sink, and one side of the outer surface of the box body is rotatably connected to a wind direction tail.

[0007] In order to achieve the purpose of adjusting the blades, the utility model provides a wind turbine blade adjustment device, one side of the outer surface of the fixed block is rotatably connected to a first support column, one side of the outer surface of the first support column is rotatably connected to an adapter, and the adapter is fixedly connected to the square blade.

[0008] In order to achieve a supporting effect, as a wind turbine blade adjustment device of the utility model, a support rod is fixedly connected to one side of the lower surface of the box body.

[0009] In order to enable the utility model to have the function of rotation, as a wind turbine blade adjustment device, the inner surface side of the first support column is slidably connected to the second support column, the outer surface side of the second support column is provided with a protruding plate, the outer surface side of the second support column is fixedly connected to the third support column, the lower surface side of the third support column is rotatably connected to a universal ball rod, and the universal ball rod is rotatably connected to the adapter.

[0010] In order to achieve a sliding effect, as a wind turbine blade adjustment device of the utility model, a fourth support column is fixedly connected to one side of the outer surface of the fixing block, and the fourth support column is slidably connected to the second support column.

[0011] In order to achieve the purpose of power transmission, as a wind turbine blade adjustment device of the utility model, a hydraulic press is fixedly installed on one side of the inner surface of the box, and the output end of the hydraulic press is fixedly connected to the second support column.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, through the arrangement of square blades, a fixing block, a box body, a first supporting block, a lightning rod, a heat sink and a wind direction tail, when in use, in order to prevent rainy weather, the lightning rod is used to protect the equipment from lightning damage. When the wind blows through the wind direction tail, the wind direction tail will rotate under the action of the wind force to indicate the direction of the wind. By observing the position of the wind direction tail, the operator can understand the direction of the wind, and thus adjust the position of the equipment in time to make it face the wind to obtain the maximum wind energy conversion efficiency.

[0014] 2. In the utility model, through the arrangement of the first support column, the adapter, the second support column, the protruding plate, the third support column, the universal ball rod, the fourth support column and the hydraulic press, when in use, the first support column is rotated by the flow of wind speed, and the maximum rotation rate of wind energy is obtained at the same time, the hydraulic press is started, and the third support column is moved by adjusting the second support column, and at the same time, the adapter is rotated through the rotation of the universal ball rod, so that the blades are rotated to obtain the maximum wind energy conversion rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a right side structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a left-side structural schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the second support column in an embodiment of the utility model;

[0018] Figure 4 The figure is a schematic diagram of the universal ball bar structure according to an embodiment of the utility model.

[0019] In the figure: 1. square blade; 2. fixing block; 3. box; 4. first support block; 5. lightning rod; 6. heat sink; 7. wind direction tail; 8. first support column; 9. adapter; 10. support rod; 11. second support column; 12. protruding plate; 13. third support column; 14. universal ball rod; 15. fourth support column; 16. hydraulic press. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1-4 As shown, a wind turbine blade adjustment device includes a square blade 1, a fixed block 2 and a box body 3, one side of the upper surface of the box body 3 is fixedly connected to a first support block 4, and one side of the upper surface of the first support block 4 is fixedly connected to a lightning rod 5; in this embodiment, one side of the outer surface of the box body 3 is fixedly connected to a heat sink 6, and one side of the outer surface of the box body 3 is rotatably connected to a wind direction tail 7.

[0023] During specific use, when wind blows through the wind direction tail 7, the wind direction tail 7 will rotate under the action of the wind force to indicate the direction of the wind. By observing the position of the wind direction tail 7, the operator can understand the direction of the wind and adjust the position of the equipment in time to face the wind to obtain the maximum wind energy conversion efficiency.

[0024] In this embodiment, a first support column 8 is rotatably connected to one side of the outer surface of the fixing block 2 , and an adapter 9 is rotatably connected to one side of the outer surface of the first support column 8 . The adapter 9 is fixedly connected to the square blade 1 .

[0025] During specific use, the first support column 8 is rotatably connected to the adapter 9. When the adapter 9 rotates, the square blade 1 rotates simultaneously, so as to achieve the purpose of adjusting the position.

[0026] In this embodiment, a support rod 10 is fixedly connected to one side of the lower surface of the box body 3 .

[0027] When in use, by being fixedly connected to one side of the lower surface of the box body 3, the support rod 10 can effectively support the device and keep it level and stable.

[0028] In this embodiment, a second support column 11 is slidably connected to one side of the inner surface of the first support column 8, a protruding plate 12 is provided on one side of the outer surface of the second support column 11, a third support column 13 is fixedly connected to one side of the outer surface of the second support column 11, a universal ball rod 14 is rotatably connected to one side of the lower surface of the third support column 13, and the universal ball rod 14 is rotatably connected to the adapter 9.

[0029] When in use, the maximum rotation rate of wind energy is obtained, the hydraulic press 16 is started, and the third support column 13 is moved by adjusting the second support column 11 . At the same time, the adapter 9 is rotated by the rotation of the universal ball rod 14 .

[0030] In this embodiment, a fourth support column 15 is fixedly connected to one side of the outer surface of the fixing block 2 , and the fourth support column 15 is slidably connected to the second support column 11 .

[0031] During specific use, the operator can easily adjust the length of the support column to change the height or position of the equipment.

[0032] In this embodiment, a hydraulic press 16 is fixedly mounted on one side of the inner surface of the box body 3 , and an output end of the hydraulic press 16 is fixedly connected to the second support column 11 .

[0033] During specific use, the purpose of motion control or force transmission is achieved through hydraulic pressure.

[0034] Working principle: During use, the staff rotates the first support column 8 through the data of wind speed flow, and obtains the maximum rotation rate of wind energy, starts the hydraulic press 16, and moves the third support column 13 by adjusting the second support column 11. At the same time, the adapter 9 rotates through the rotation of the universal ball rod 14, so that the blades rotate to obtain the maximum wind energy conversion rate. In order to prevent rainy weather, the lightning rod 5 is used to protect the equipment from lightning damage. When the wind blows through the wind direction tail 7, the wind direction tail 7 will rotate under the action of the wind force, indicating the direction of the wind. By observing the position of the wind direction tail 7, the operator can understand the direction of the wind, and thus adjust the position of the equipment in time to face the wind to obtain the maximum wind energy conversion efficiency.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A wind turbine blade adjustment device, comprising a square blade (1), a fixing block (2) and a box (3), characterized in that: A first support block (4) is fixedly connected to one side of the upper surface of the box (3), and a lightning rod (5) is fixedly connected to one side of the upper surface of the first support block (4); a heat sink (6) is fixedly connected to one side of the outer surface of the box (3), and a wind direction tail (7) is rotatably connected to one side of the outer surface of the box (3); A first support column (8) is rotatably connected to one side of the outer surface of the fixed block (2); an adapter (9) is rotatably connected to one side of the outer surface of the first support column (8); and the adapter (9) is fixedly connected to the square blade (1); A support rod (10) is fixedly connected to one side of the lower surface of the box body (3); A second support column (11) is slidably connected to one side of the inner surface of the first support column (8), a protruding plate (12) is provided on one side of the outer surface of the second support column (11), a third support column (13) is fixedly connected to one side of the outer surface of the second support column (11), a universal ball rod (14) is rotatably connected to one side of the lower surface of the third support column (13), and the universal ball rod (14) is rotatably connected to the adapter (9); A fourth support column (15) is fixedly connected to one side of the outer surface of the fixed block (2), and the fourth support column (15) is slidably connected to the second support column (11); A hydraulic press (16) is fixedly mounted on one side of the inner surface of the box body (3), and an output end of the hydraulic press (16) is fixedly connected to the second support column (11).

Citation Information

Patent Citations

  • Paddle adjusting device of wind generating set

    CN117267047A