Locking device of wind generating set

Abstract

The utility model relates to the technical field of wind generating set protection, and discloses a locking device of a wind generating set, which comprises a support shell, a support column, fan blades and a locking component. According to the locking device of the wind generating set, through cooperative use of the first gear, the second gear and the first motor, fine adjustment of the supporting column can be achieved, and accurate butt joint of the locking device and the supporting column is ensured. By means of the fine adjustment mechanism, locking accuracy and reliability are improved, equipment damage or locking failure caused by inaccurate butt joint is avoided, a second motor, a third gear and two fourth gears are used in cooperation, strong driving force is provided for the locking device, accurate control over a clamping block can be achieved by driving a rotating rod to rotate, and the locking effect is good. And clamping block grooves and clamping rods arranged in the clamping blocks are used in cooperation with clamping blocks and clamping rod grooves arranged outside the supporting columns, so that the locking firmness and stability are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of wind generator set protection, in particular to a locking device for a wind generator set. Background Art

[0002] A wind turbine is a mechanical device that converts wind energy into electrical energy.

[0003] During the actual operation of a wind turbine, due to various factors such as wind changes, equipment failures or maintenance needs, it is sometimes necessary to lock the blades or rotors to ensure that they do not cause equipment damage or casualties due to accidental rotation or movement. Traditional locking methods may have problems such as complex operation, poor locking effect or insufficient safety. Therefore, it is particularly important to develop a more efficient, safe and easy-to-operate locking device for wind turbines. Therefore, a locking device for a wind turbine is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a locking device for a wind turbine generator set, which has the advantages of being easy and quick to lock the fan blades and enhancing the locking, thereby solving the problems of the locking device of a traditional wind turbine generator set, such as complicated operation, poor locking effect or insufficient safety.

[0006] (II) Technical solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A locking device for a wind turbine generator set, comprising a support shell, a support column, a fan blade and a locking assembly, wherein the support column is rotatably connected to the support shell and one end of the support column is fixedly connected to the fan blade after passing through one side of the support shell, and the locking assembly is arranged at the rotation connection between the other end of the support column and the inner wall of the support shell and at the inner section of the support column located in the support shell;

[0009] The locking assembly includes a first gear, a second gear and a first motor. The first gear is arranged outside the support column and inside the side plate of the support shell. The second gear is meshed with the first gear and the middle part of the second gear is fixedly connected to the output end of the first motor.

[0010] As a preferred technical solution of the utility model, bearings are arranged on one end of the support column, the inner wall of the support shell and the middle through the other side, and anti-collision grooves are opened inside the side plate of the support shell near the first gear and the second gear.

[0011] As a preferred technical solution of the utility model, the bottom of the first motor is fixedly connected to the top of the telescopic rod through a connecting seat and a screw, the bottom of the telescopic rod is fixedly connected to the inside of the side plate of the supporting shell, and a movable groove is opened inside the side plate of the supporting shell at the top of the telescopic rod.

[0012] As a preferred technical solution of the utility model, the locking assembly also includes a second motor, a third gear and two fourth gears. The second motor is arranged at the rear of the support shell and a protective box is arranged outside it and fixedly connected to the rear of the support shell through the protective box.

[0013] As a preferred technical solution of the utility model, the output end of the second motor passes through the side wall of the supporting shell and is fixedly connected to the third gear. The two fourth gears are respectively rotatably connected to the two sides of the third gear, and the middle parts of the two fourth gears are fixed with a rotating rod through a screw.

[0014] As a preferred technical solution of the utility model, bearings are rotatably connected to both ends of the rotating rod and the two side walls of the supporting shell, and two symmetrically distributed sections of threads in opposite directions are arranged on the outside of the rotating rod. The two rotating rods are threadedly connected to two symmetrically distributed clamping blocks through the two sections of threads.

[0015] As a preferred technical solution of the utility model, the two clamping blocks are provided with clamping block grooves and clamping rods in sequence inside, and the supporting column is provided with clamping blocks and clamping rod grooves in sequence at the corresponding positions outside.

[0016] As a preferred technical solution of the utility model, the two clamping blocks are respectively provided with insertion rods and slots near the four corners at one end close to each other, and two symmetrically distributed steel rails are also inserted inside the clamping blocks, and the two ends of the steel rails are welded to the side walls of the supporting shell.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a locking device for a wind turbine generator set, which has the following beneficial effects:

[0019] The locking device of the wind turbine generator set can achieve fine adjustment of the support column through the coordinated use of the first gear, the second gear and the first motor, so as to ensure the precise docking of the locking device with the support column. This fine adjustment mechanism not only improves the accuracy and reliability of locking, but also avoids equipment damage or locking failure caused by inaccurate docking. In addition, the design of the telescopic rod allows the first motor to move flexibly, so that when locking is required, the first motor and the second gear are pushed to move to mesh with the first gear for fine adjustment. When locking is not required, the second gear is away from the first gear, so as not to affect the normal rotation of the support column. The coordinated use of the second motor, the third gear and the two fourth gears provides a strong driving force for the locking device. By driving the rotating rod to rotate, the clamp block can be precisely controlled, thereby achieving a firm lock of the support column. The block groove and the clamp rod set inside the clamp block are used in coordination with the block and the clamp rod groove outside the support column to ensure the firmness and stability of the locking. At the same time, the design of the plug rod and the slot and the reinforcement of the rail further enhance the structural strength and stability of the locking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the top view of the structure between the clamping block and the support column of the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the connection structure between the clamping block, the rotary rod and the rail.

[0023] In the figure: 1. support shell; 2. support column; 3. fan blade; 4. first gear; 5. second gear; 6. first motor; 7. telescopic rod; 8. protection box; 9. second motor; 10. third gear; 11. fourth gear; 12. rotating rod; 13. clamping block; 14. block slot; 15. clamping rod; 16. plug rod; 17. slot; 18. rail. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1-3 , a locking device for a wind turbine generator set, comprising a support shell 1, a support column 2, a fan blade 3 and a locking assembly, wherein the support column 2 is rotatably connected to the support shell 1 and one end of the support column 2 is fixedly connected to the fan blade 3 after passing through one side of the support shell 1, and a locking assembly is arranged at the rotation connection between the other end of the support column 2 and the inner wall of the support shell 1 and at the inner section of the support column 2 located in the support shell 1;

[0028] The locking assembly includes a first gear 4, a second gear 5 and a first motor 6. The first gear 4 is arranged outside the support column 2 and inside the side plate of the support shell 1. The second gear 5 is meshed with the first gear 4 and the middle part is fixedly connected to the output end of the first motor 6.

[0029] In this embodiment, bearings are provided at one end of the support column 2 and the inner wall of the support shell 1 and the middle portion passing through the other side, and anti-collision grooves are provided inside the side plate of the support shell 1 near the first gear 4 and the second gear 5.

[0030] It should be noted that the bearing is provided to ensure that the support column 2 rotates more smoothly in the support housing 1, reduce friction, and improve rotation efficiency. At the same time, the bearing also has a certain load-bearing capacity, which can support the weight of the support column 2 and the fan blade 3 at its upper end. The anti-collision groove is designed to prevent the first gear 4 and the second gear 5 from colliding with the support housing 1 during rotation, protect the gears from damage, reduce noise and vibration, and improve the operating stability of the entire locking device.

[0031] In this embodiment, the bottom of the first motor 6 is fixedly connected to the top of the telescopic rod 7 through a connecting seat and a screw, the bottom of the telescopic rod 7 is fixedly connected to the inside of the side plate of the support shell 1, and a movable groove is opened inside the side plate of the support shell 1 at the top of the telescopic rod 7.

[0032] It should be noted that the design of the telescopic rod 7 allows the first motor 6 to telescope along its length. This design allows the first motor 6 and the second gear 5 to flexibly approach or move away from the first gear 4, thereby achieving the meshing and separation of the gears, and facilitating the fine adjustment and locking operations of the support column 2.

[0033] In this embodiment, the locking assembly also includes a second motor 9, a third gear 10 and two fourth gears 11. The second motor 9 is arranged at the rear of the support shell 1 and a protective box 8 is arranged outside it and is fixedly connected to the rear of the support shell 1 through the protective box 8.

[0034] It should be noted that the placement of the second motor 9 ensures that it can stably drive the third gear 10 to rotate. The provision of the protection box 8 not only provides protection for the second motor 9 to prevent damage to it by external factors such as dust, moisture, etc., but also enhances the safety and reliability of the entire locking device.

[0035] In this embodiment, the output end of the second motor 9 passes through the side wall of the supporting shell 1 and is fixedly connected to the third gear 10. The two fourth gears 11 are respectively rotatably connected to the two sides of the third gear 10. The middle parts of the two fourth gears 11 are fixed with a rotating rod 12 through a screw.

[0036] In this embodiment, bearings are rotatably connected to both ends of the rotating rod 12 and the two side walls of the supporting shell 1. The outside of the rotating rod 12 is provided with two symmetrically distributed sections of threads in opposite directions. The outside of the two rotating rods 12 is threadedly connected with two symmetrically distributed clamping blocks 13 through the two sections of threads.

[0037] It should be noted that the bearing design here is to ensure that the rotation of the rotating rod 12 in the support housing 1 is more stable and smooth. Through the support and guiding effect of the bearing, the rotating rod 12 can accurately perform the rotation action, thereby realizing the precise control of the clamping block 13. The symmetrically distributed two-section thread design in opposite directions is the key feature of the rotating rod 12. This design enables the two clamping blocks 13 to move toward or away from the center of the rotating rod 12 at the same time, thereby realizing the firm locking or unlocking of the support column 2. This mechanism is simple and efficient, and improves the reliability of the locking device.

[0038] In this embodiment, the two clamping blocks 13 are sequentially provided with clamping block grooves 14 and clamping rods 15 in their interiors, and the supporting column 2 is sequentially provided with clamping block and clamping rod grooves at corresponding locations thereon.

[0039] It should be noted that the block groove 14 and the clamping rod 15 are designed to cooperate with the block and clamping rod groove outside the support column 2. When the clamping block 13 moves toward the support column 2, the block groove 14 will cooperate with the block, and the clamping rod 15 will cooperate with the clamping rod groove, thereby achieving a firm locking of the support column 2. This locking method has the advantages of simple structure and firm locking.

[0040] In this embodiment, two clamping blocks 13 are provided with insert rods 16 and slots 17 near four corners at one end thereof, and two symmetrically distributed rails 18 are inserted into the clamping blocks 13 , and both ends of the rails 18 are welded to the side wall of the supporting shell 1 .

[0041] It should be noted that the plug-in design of the steel rail 18 is to enhance the structural strength and stability of the clamp 13. The steel rail 18 has excellent rigidity and load-bearing capacity, and can effectively support the mechanical action of the clamp 13 during the locking process. At the same time, the symmetrical distribution of the steel rail 18 also ensures the uniformity of the clamp 13 when subjected to force, avoiding damage or deformation caused by uneven force.

[0042] Beneficial effects:

[0043] The locking device of the wind turbine generator set can achieve fine adjustment of the support column 2 through the coordinated use of the first gear 4, the second gear 5 and the first motor 6, thereby ensuring the precise docking of the locking device with the support column 2. This fine-tuning mechanism not only improves the accuracy and reliability of locking, but also avoids equipment damage or locking failure caused by inaccurate docking. In addition, the design of the telescopic rod 7 allows the first motor 6 to move flexibly, thereby pushing the first motor 6 and the second gear 5 to move to mesh with the first gear 4 for fine-tuning when locking is required. When locking is not required, the second gear 5 is away from the first gear 4, thereby not affecting the normal rotation of the support column 2. The coordinated use of the second motor 9, the third gear 10 and the two fourth gears 11 provides a strong driving force for the locking device. By driving the rotating rod 12 to rotate, the clamping block 13 can be accurately controlled, thereby achieving a firm lock of the support column 2. The block groove 14 and the clamping rod 15 set inside the clamping block 13 are used in coordination with the block and the clamping rod groove outside the support column 2 to ensure the firmness and stability of the locking. At the same time, the design of the plug 16 and the slot 17 and the reinforcement of the rail 18 further enhance the structural strength and stability of the locking device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A locking device for a wind turbine generator set, comprising a support shell (1), a support column (2), a fan blade (3) and a locking assembly, wherein the support column (2) is rotatably connected to the support shell (1) and one end of the support column (2) is fixedly connected to the fan blade (3) after passing through one side of the support shell (1), and the locking assembly is arranged at the position where the other end of the support column (2) is rotatably connected to the inner wall of the support shell (1) and at the section of the support column (2) located inside the support shell (1); Features: The locking assembly comprises a first gear (4), a second gear (5) and a first motor (6); the first gear (4) is arranged outside the support column (2) and inside the side plate of the support shell (1); the second gear (5) is meshed with the first gear (4) and the middle part thereof is fixedly connected to the output end of the first motor (6).

2. A locking device for a wind turbine generator set according to claim 1, characterized in that: Bearings are provided at one end of the support column (2) and the inner wall of the support shell (1) and at the middle portion passing through the other side, and anti-collision grooves are provided inside the side plate of the support shell (1) near the first gear (4) and the second gear (5).

3. The locking device of a wind turbine generator set according to claim 1, characterized in that: The bottom of the first motor (6) is fixedly connected to the top of the telescopic rod (7) via a connecting seat and a screw rod, the bottom of the telescopic rod (7) is fixedly connected to the inside of the side plate of the support shell (1), and a movable groove is provided inside the side plate of the support shell (1) at the top of the telescopic rod (7).

4. A locking device for a wind turbine generator set according to claim 1, characterized in that: The locking assembly further comprises a second motor (9), a third gear (10) and two fourth gears (11); the second motor (9) is arranged at the rear of the supporting shell (1) and a protection box (8) is arranged outside the second motor (9) and is fixedly connected to the rear of the supporting shell (1) via the protection box (8).

5. A locking device for a wind turbine generator set according to claim 4, characterized in that: The output end of the second motor (9) passes through the side wall of the supporting shell (1) and is fixedly connected to the third gear (10); the two fourth gears (11) are respectively rotatably connected to the two sides of the third gear (10); and a rotating rod (12) is fixed to the middle of the two fourth gears (11) via a screw.

6. A locking device for a wind turbine generator set according to claim 5, characterized in that: The two ends of the rotating rod (12) are rotatably connected to the two side walls of the supporting shell (1) by bearings, the rotating rod (12) is provided with two symmetrically distributed threads in opposite directions on the outside, and the two rotating rods (12) are threadedly connected to two symmetrically distributed clamping blocks (13) on the outside through the two threads.

7. A locking device for a wind turbine generator set according to claim 6, characterized in that: The two clamping blocks (13) are each provided with a clamping block groove (14) and a clamping rod (15) in sequence, and the support column (2) is provided with a clamping block and a clamping rod groove in sequence at a corresponding position thereto.

8. A locking device for a wind turbine generator set according to claim 7, characterized in that: Insertion rods (16) and slots (17) are respectively arranged near the four corners of one end of the two clamping blocks (13), and two symmetrically distributed steel rails (18) are also inserted inside the clamping blocks (13), and the two ends of the steel rails (18) are welded to the side wall of the supporting shell (1).

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