Turbulent flow mechanism of wind power tower drum

By installing a rotating ring and a drive motor on the outside of the wind turbine tower, the problems of poor turbulence effect and easy damage to the turbulence strips have been solved, thereby improving the turbulence intensity and facilitating replacement, and enhancing the safety and maintenance efficiency of the wind turbine tower.

CN223814131UActive Publication Date: 2026-01-20中电华创(苏州)电力技术研究有限公司
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Patent Information

Application Number
CN202520767615.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-01-20
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

The fixed installation method of the existing wind turbine tower deflection mechanism results in poor deflection effect, and the deflection strips are easily damaged and difficult to replace.

Method used

A structure including a rotating ring, a drive motor, a mounting base, a limiting bracket, and a spring was designed. The drive motor drives the rotating ring to rotate, thereby increasing the turbulence intensity, and the spring and limiting bracket enable convenient replacement of the turbulence strip.

Benefits of technology

It improves the turbulence intensity, enhances the safety of wind turbine towers, simplifies the replacement process of turbulence strips, and improves equipment maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of turbulent flow mechanisms, and particularly relates to a turbulent flow mechanism of a wind power tower drum, which comprises a tower drum, turbulent flow strips are rotatably connected to the outer side of the tower drum, a rotating ring is connected to the lower portion of the outer side of the tower drum through a bearing, and a protective cover is fixedly connected to the lower portion of the outer side of the tower drum. A gear is installed in the protective cover through a bearing, and a plurality of tooth grooves distributed in an annular mode are formed in the outer side of the rotating ring. The rotating ring, the driving motor, the connecting seat and other structures are additionally arranged on the outer side of the tower barrel, when wind power is large, the rotating ring can be driven by the driving motor to rotate, the rotating ring can simultaneously drive the three turbulent flow strips to rotate on the outer side surface of the tower barrel in the rotating process, and therefore the wind power is greatly improved. And the turbulent flow strips can cut and disturb the airflow after wind blows to the surface, so that the disturbance disorder degree can be effectively improved, the turbulent flow strength can be effectively improved, and the safety of the tower drum is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a spoiler mechanism technical field, concretely is a kind of spoiler mechanism of wind power tower. BACKGROUND

[0002] In order to improve the safety of wind power tower, it is necessary to install a spoiler mechanism at a higher position of the wind power tower to avoid the tower being pushed by the wind. According to the patent authorized announcement No. CN110925148B, a wind power tower spoiler is disclosed, which is composed of multiple spoiler units. Each spoiler unit has a closed three-sided solid structure or a three-sided thin-walled structure with an open end. The multiple spoiler units are connected in sequence to form a continuous spiral line, and the spiral line is fixed to the outer wall of the tower by the spoiler units at the end. The bottom surface of each spoiler unit is attached to the outer wall of the tower. Alternatively, the multiple spoiler units form a non-continuous spiral line arranged on the outer wall of the tower, i.e., each spoiler unit is fixed to the outer wall of the tower.

[0003] However, the spoiler mechanism in the prior art is installed on the outside of the wind power tower by welding. The fixed installation method limits the disturbance of wind and the range, causing the wind to still effectively act on the outside of the tower, resulting in instability of the tower. Moreover, when the wind is strong, it may contain sand and stones, which can damage the spoiler strips on the outside. Therefore, it is necessary to improve the existing technology. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a spoiler mechanism for a wind power tower, which solves the problems of poor spoiler effect of fixedly installed spoiler strips and inability to replace damaged spoiler strips.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spoiler mechanism for a wind power tower, comprising a tower, a spoiler strip rotatably connected to the outside of the tower, a rotating ring connected to the lower part of the outside of the tower through a bearing, a protective cover fixedly connected to the lower part of the outside of the tower, a gear installed inside the protective cover through a bearing, a plurality of annularly distributed gear grooves formed on the outside of the rotating ring, a drive motor fixedly connected to the lower end of the protective cover, a locking mechanism provided on the protective cover, a plurality of uniformly distributed mounting seats fixedly connected to the upper end of the rotating ring, a connecting seat fixedly connected to one end of the tower close to the mounting seat, a connecting nail fixedly connected to the outside of the mounting seat, a limiting frame slidingly connected to the outside of the connecting nail, and a spring provided on the outside of the connecting nail.

[0006] Preferably, the output shaft of the driving motor is fixedly connected with the gear, the gear is engaged with the gear slot, and the gear can drive the rotating ring to rotate through the gear slot.

[0007] Preferably, the square rod of the connecting seat is slidably connected with the mounting seat, the connecting seat is slidably connected with the tower tube, and the connecting seat can be used for mounting the spoiler strip.

[0008] Preferably, one end of the spring is fixedly connected with the limiting frame, the other end of the spring is fixedly connected with the connecting nail, and the spring can drive the limiting frame to automatically reset through the elastic force.

[0009] Preferably, the limiting frame is slidably connected with the connecting seat, and the protective cover is in rotational contact with the rotating ring; the limiting frame can be used for limiting the connecting seat.

[0010] Preferably, the locking mechanism comprises a screw rod, the screw rod is arranged in the protective cover through a bearing, the outer side of the screw rod is connected with an internally-threaded pipe through threads, the outer side of the internally-threaded pipe is fixedly connected with a locking frame, the inside of the protective cover is fixedly connected with a guide strip, the upper end of the protective cover is fixedly connected with a small motor, the locking frame is slidably connected with the gear, and the guide strip can guide the movement of the locking frame.

[0011] Preferably, the output shaft of the small motor is fixedly connected with the screw rod, the guide strip is slidably connected with the locking frame, and the locking frame is slidably connected with the protective cover; the locking frame can be used for limiting the gear.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a tower tube, which comprises a tower tube, a rotating ring, a driving motor and a connecting seat.

[0014] 2. The utility model discloses a tower tube, which comprises a tower tube, a rotating ring, a driving motor and a connecting seat. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model discloses a whole structure perspective view;

[0016] Figure 2 The utility model discloses a Figure 1 The utility model discloses a

[0017] Figure 3 The utility model discloses a Figure 1 The utility model discloses a

[0018] Figure 4 The utility model discloses a Figure 3 The utility model discloses a

[0019] Figure 5 The utility model discloses a Figure 3 The utility model discloses a

[0020] Figure 6 The utility model discloses a Figure 5 The utility model discloses a

[0021] In the drawing: 1, tower cylinder;2, spoiler strip;3, rotating ring;4, protective cover;5, gear;6, gear slot;7, drive motor;8, locking mechanism;9, mounting seat;10, connecting seat;11, connecting nail;12, limit frame;13, spring;81, screw rod;82, internal thread pipe;83, locking frame;84, guide strip;85, small motor. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the range of the utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4The utility model provides a wind power tower drum's spoiler mechanism, including tower drum 1, the outside rotationally connected with spoiler strip 2 of tower drum 1, the lower part of the outside of tower drum 1 is connected with the rotating ring 3 through bearing, the lower part of the outside of tower drum 1 is fixedly connected with the protective cover 4, the inside of protective cover 4 is installed with gear 5 through bearing, the outside of rotating ring 3 is equipped with a plurality of annular distribution tooth slot 6, the lower end of protective cover 4 is fixedly connected with drive motor 7, and the locking mechanism 8 is set up on protective cover 4, and the upper end of rotating ring 3 is fixedly connected with a plurality of evenly distributed mounting seat 9, and one end of tower drum 1 is fixedly connected with connecting seat 10 close to mounting seat 9, and the outside of mounting seat 9 is fixedly connected with connecting nail 11, and the outside of connecting nail 11 is slidably connected with limiting frame 12, and the outside of connecting nail 11 is provided with spring 13.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The output shaft of drive motor 7 is fixedly connected with gear 5, gear 5 is engaged with tooth slot 6, gear 5 can drive rotating ring 3 to rotate through tooth slot 6, the square rod of connecting seat 10 is slidably connected with mounting seat 9, connecting seat 10 is slidably connected with tower drum 1, connecting seat 10 can install spoiler strip 2, one end of spring 13 is fixedly connected with limiting frame 12, the other end of spring 13 is fixedly connected with connecting nail 11, spring 13 can drive limiting frame 12 to reset automatically through elastic force, limiting frame 12 is slidably connected with connecting seat 10, protective cover 4 is rotatably connected with rotating ring 3, and limiting frame 12 can limit connecting seat 10.

[0025] Please refer to Figure 1 、 Figure 3 、 Figure 5 、 Figure 6 Locking mechanism 8 includes screw rod 81, the inside of protective cover 4 is installed with screw rod 81 through bearing, the outside of screw rod 81 is connected with internal thread pipe 82 through thread, the outside of internal thread pipe 82 is fixedly connected with locking frame 83, the inside of protective cover 4 is fixedly connected with guide strip 84, the upper end of protective cover 4 is fixedly installed with small motor 85, locking frame 83 is slidably connected with gear 5, guide strip 84 can guide the movement of locking frame 83, the output shaft of small motor 85 is fixedly connected with screw rod 81, guide strip 84 is slidably connected with locking frame 83, locking frame 83 is slidably connected with protective cover 4, and locking frame 83 can limit gear 5.

[0026] The utility model discloses a specific implementation process as follows: when the wind is bigger, first start small motor 85, and small motor 85 drives screw rod 81 to rotate, and screw rod 81 can drive locking frame 83 to move through the thread cooperation between the inner thread pipe 82 in the process of rotating, when locking frame 83 is separated from gear 5, start drive motor 7, and drive motor 7 drives gear 5 to rotate, and gear 5 drives rotating ring 3 to rotate through tooth slot 6, and rotating ring 3 can drive turbulence strip 2 to rotate through mounting seat 9 and connecting seat 10 in the process of rotating, and turbulence strip 2 can actively divide the airflow in the process of rotating, and the airflow after dividing is more disorderly, can effectively avoid the wind force acting on the outside of tower drum 1;

[0027] When needing to replace turbulence strip 2, pull limit frame 12, and limit frame 12 compresses spring 13 in the process of moving, when limit frame 12 is separated from connecting seat 10, the limiting of connecting seat 10 can be released, then the damaged turbulence strip 2 can be disassembled and replaced.

[0028] Although the 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 these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flow disturbing mechanism for a wind turbine tower, comprising a tower (1), characterized in that: The outer side of the tower drum (1) is rotationally connected with a spoiler strip (2), the outer lower part of the tower drum (1) is connected with a rotating ring (3) through a bearing, the outer lower part of the tower drum (1) is fixedly connected with a protective cover (4), the inside of the protective cover (4) is mounted with a gear (5) through a bearing, the outer side of the rotating ring (3) is provided with a plurality of annularly distributed tooth grooves (6), the lower end of the protective cover (4) is fixedly connected with a driving motor (7), the protective cover (4) is provided with a locking mechanism (8), the upper end of the rotating ring (3) is fixedly connected with a plurality of uniformly distributed mounting seats (9), one end of the tower drum (1) close to the mounting seat (9) is fixedly connected with a connecting seat (10), the outer side of the mounting seat (9) is fixedly connected with a connecting nail (11), the outer side of the connecting nail (11) is slidably connected with a limiting frame (12), and the outer side of the connecting nail (11) is provided with a spring (13).

2. A flow disturbing mechanism for a wind turbine tower according to claim 1, characterized in that: The output shaft of the driving motor (7) is fixedly connected with the gear (5), and the gear (5) is engaged with the tooth groove (6).

3. The flow disturbing mechanism of claim 1, wherein: The square rod of the connecting seat (10) is slidably connected with the mounting seat (9), and the connecting seat (10) is in sliding contact with the tower drum (1).

4. The flow disturbing mechanism of claim 1, wherein: One end of the spring (13) is fixedly connected with the limiting frame (12), and the other end of the spring (13) is fixedly connected with the connecting nail (11).

5. A drag mechanism for a wind turbine tower according to claim 1, wherein: The limiting frame (12) is slidably connected with the connecting seat (10), and the protective cover (4) is in rotational contact with the rotating ring (3).

6. A drag mechanism for a wind turbine tower according to claim 1, wherein: The locking mechanism (8) comprises a screw rod (81), the inside of the protective cover (4) is mounted with the screw rod (81) through a bearing, the outer side of the screw rod (81) is threadedly connected with an internally threaded pipe (82), the outer side of the internally threaded pipe (82) is fixedly connected with a locking frame (83), the inside of the protective cover (4) is fixedly connected with a guide bar (84), the upper end of the protective cover (4) is fixedly mounted with a small motor (85), and the locking frame (83) is slidably connected with the gear (5).

7. A drag mechanism for a wind turbine tower according to claim 6, wherein: The output shaft of the small motor (85) is fixedly connected with the screw rod (81), the guide bar (84) is slidably connected with the locking frame (83), and the locking frame (83) is slidably connected with the protective cover (4).

Citation Information

Patent Citations

  • Wind turbine tower spoiler

    CN110925148B