Wind power blade installation angle adjusting device

Abstract

A wind power blade installation angle adjusting device relates to the technical field of wind power generation and comprises a lifting frame, a supporting seat, a driving motor and a bandage, the lifting frame is C-shaped, the supporting seat is semi-annular and is rotatably connected in the lifting frame, and the driving motor drives the supporting seat to rotate to adjust the installation angle of a wind power blade. An adjusting seat can be arranged in the lifting frame, the bottom center of the adjusting seat is hinged to the lifting frame, and the telescopic cylinder can adjust the pitching angle of the adjusting seat. A boss is arranged at the center of an outer ring of the supporting seat. A supporting wheel set and a driving wheel are arranged at corresponding positions of the adjusting seat. Rubber or nylon supporting blocks matched with the wind power blades in shape are arranged in the supporting seats, and hanging rings are arranged on the tops of the hanging frames. The C-shaped structure of the hoisting frame facilitates loading of the wind power blade, and the semi-annular supporting seat is matched with the appearance of the wind power blade, so that the operation safety is guaranteed. The driving motor achieves accurate rotation, the telescopic cylinder adjusts the dip angle, the driving wheel set is matched with the boss to achieve horizontal angle adjustment, the requirements of diversified installation scenes are met, and the installation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of wind power generation technology, and in particular to a wind turbine blade installation angle adjustment device. Background Technology

[0002] With the acceleration of the global energy transition, wind power, as a clean energy source, has been widely used, and the demand for wind turbine blade installation is also increasing. However, existing wind turbine blade installation methods typically have some limitations.

[0003] On the one hand, after the wind turbine blades are hoisted to the vicinity of the turbine hub, it is difficult to achieve precise coaxial alignment between the blade mounting end and the hub. This is especially true when misalignment occurs between the blade's connecting bolts and the hub's mounting holes, often requiring significant time and manpower for repeated adjustments, severely impacting installation efficiency. On the other hand, during hoisting and angle adjustment, the lack of effective devices to ensure stable support and secure fixing of the wind turbine blades poses certain safety hazards and presents considerable risks to installation personnel.

[0004] Furthermore, traditional hoisting tools are structurally unsuitable for the convenient installation and reliable support of large, uniquely shaped components like wind turbine blades, making the entire installation process cumbersome and complex, and compromising installation accuracy and quality. Therefore, there is an urgent need for a device specifically designed for adjusting the installation angle of wind turbine blades to address the problems in existing technologies, improve the safety, stability, and accuracy of wind turbine blade installation operations, and thus promote the efficient development of the wind power industry. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, this utility model discloses a wind turbine blade installation angle adjustment device.

[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical solution:

[0007] A wind turbine blade installation angle adjustment device, comprising:

[0008] The hoisting frame has a C-shaped structure;

[0009] The support base, having a semi-annular structure, is rotatably connected within the hoisting frame and is used to support the wind turbine blades;

[0010] A drive motor is located on one side of the support base and is connected to the support base for driving; the drive motor drives the support base to rotate, thereby adjusting the installation angle of the wind turbine blades;

[0011] The straps are installed on top of the support base to secure the wind turbine blades.

[0012] Preferably, the hoisting frame is provided with an adjusting seat, the center of the bottom of which is hinged to the hoisting frame via a hinge shaft; a telescopic cylinder for adjusting the pitch angle of the adjusting seat is installed between the hinge shaft and one end of the adjusting seat; and a support seat is rotatably mounted on the adjusting seat.

[0013] Preferably, a boss is provided at the center of the outer ring of the support base, and support wheel sets are provided on both sides of the adjustment seat corresponding to the boss. Each support wheel set includes two spaced support wheels. A pressing wheel is installed between the two support wheels of the support wheel set, pressing against the inner ring surface of the support base.

[0014] Preferably, the adjustment seat has a slot at the position corresponding to the boss, and a drive wheel that is connected to the drive motor is installed in the slot, and the drive wheel is connected to the boss in a corresponding transmission connection.

[0015] Preferably, the support base is provided with a support block adapted to the shape of the wind turbine blade, and the support block is made of rubber or nylon.

[0016] Preferably, the top of the hoisting frame is provided with a lifting ring.

[0017] By adopting the technical solution described above, this utility model has the following beneficial effects:

[0018] (1) The hoisting frame of this utility model adopts a C-shaped configuration, which provides a convenient channel for the installation of wind turbine blades. The semi-circular support seat installed inside matches the shape of the wind turbine blade, which can make the wind turbine blades stand steadily on it. It provides reliable support for the wind turbine blades during hoisting and angle adjustment, effectively preventing the wind turbine blades from separating from the support seat due to accidental situations, and ensuring operational safety.

[0019] (2) This utility model further enables precise rotation of the wind turbine blades by driving the support base to rotate via a drive motor, thus solving the problem of misalignment between the connecting bolts of the wind turbine blades and the mounting holes of the hub, and improving the efficiency and accuracy of the installation operation. The telescopic cylinder can adjust the pitch angle of the adjustment base, thereby changing the tilt angle of the support base, so that the support base can effectively contact the wind turbine blades, avoiding the tedious operation of repeatedly adjusting the tilt angle of the crane lifting frame. At the same time, the cooperation between the drive wheel and the boss can also realize the horizontal angle adjustment of the wind turbine blades, meeting the diverse requirements for the angle adjustment of wind turbine blades in different installation scenarios, and further improving the flexibility and accuracy of the adjustment.

[0020] (3) This utility model further provides a lifting ring at the top of the lifting frame, which facilitates the crane to connect to the lifting frame quickly and accurately, thereby realizing the lifting operation of the entire wind turbine blade installation angle adjustment device and improving the lifting efficiency and safety. In addition, the straps on the support can firmly bind the wind turbine blade, preventing swaying during lifting and rotation, enhancing the stability of the wind turbine blade on the support, ensuring the smooth progress of the installation operation, reducing the safety accidents that may be caused by swaying, and extending the service life of the device.

[0021] (4) The present invention further provides a support block adapted to the shape of the wind turbine blade in the support base. The support block is made of rubber or nylon material, which can improve the stability of the support for the wind turbine blade, avoid damage to the wind turbine blade, protect its surface quality, and extend the service life of the wind turbine blade. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of this utility model;

[0024] Figure 3 This is a side view of the present invention;

[0025] Figure 4 This is a top view of the present invention;

[0026] Figure 5 This is a three-dimensional structural diagram of the present invention from another angle.

[0027] In the diagram: 1. Lifting frame; 2. Support base; 3. Drive motor; 4. Straps; 5. Adjusting seat; 6. Hinge shaft; 7. Telescopic cylinder; 8. Boss; 9. Support wheel; 10. Pressure wheel; 11. Drive wheel; 12. Support block; 13. Lifting ring. Detailed Implementation

[0028] 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. 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.

[0029] In the description of this utility model, it should be noted that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. They are only used to facilitate the description of this utility model and to simplify the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. Example

[0031] Combined with appendix Figure 1 A wind turbine blade installation angle adjustment device includes a lifting frame 1, a support base 2, and a drive motor 3. The lifting frame 1 adopts a C-shaped configuration, specifically an open-side design. This clever design provides a convenient channel for the installation of wind turbine blades, allowing them to smoothly enter the interior space of the lifting frame 1 from the open side. Inside the lifting frame 1, a semi-circular support base 2 is installed via a rotating connection structure. This semi-circular structure conforms to the shape of the wind turbine blade, ensuring that after the wind turbine blade enters the lifting frame 1 according to a predetermined process, it can be stably placed on the support base 2, thus ensuring reliable support force for the wind turbine blade during lifting and angle adjustment. Simultaneously, the drive motor 3 is installed on one side of the support base 2, and power is transmitted between the two via a drive connection mechanism, giving the support base 2 the ability to rotate, allowing for flexible adjustment of the wind turbine blade angle during subsequent operations.

[0032] When installing wind turbine blades, the first step is to level the blades placed on the transport vehicle. This is crucial for ensuring the smooth progress of subsequent hoisting operations. Next, one crane is used to precisely hook the tip of the blade, effectively hoisting the front end. Simultaneously, another crane works in conjunction, lifting the hoisting frame 1 and smoothly and precisely raising it onto the wind turbine blade until the support base 2 accurately supports the installation end of the blade. After the support base 2 successfully supports the blade, it can be safely disconnected from the transport vehicle. Then, the two cranes work closely together to slowly lift the blade to the vicinity of the turbine hub. Through adjustments, the installation end of the blade is aligned coaxially with the hub, laying the foundation for subsequent installation and connection work. However, in actual operation, misalignment may occur between the connecting bolts of the wind turbine blade and the mounting holes of the hub, a common technical challenge in installation work. To address this issue, this device uses a drive motor 3 to precisely drive the support base 2 in a controlled rotation. During this rotation, the support base 2 causes the wind turbine blades fixed to it to rotate synchronously until the connecting bolts of the wind turbine blades are precisely aligned with the mounting holes on the hub. This successfully completes the installation and connection process between the wind turbine blades and the hub, effectively improving the efficiency and accuracy of the installation operation.

[0033] To further enhance the safety and stability of the installation during operation, straps 4 are installed on the top of the support base 2. After the wind turbine blades are placed on the support base 2, operators use the straps 4 to securely fasten them to the support base 2. This key design effectively prevents the wind turbine blades from separating from the support base 2 due to unforeseen circumstances during angle adjustment or hoisting, thereby avoiding potential safety accidents and ensuring the safety and reliability of the entire wind turbine blade installation process. Furthermore, the use of straps 4 enhances the stability of the wind turbine blades on the support base 2, reduces swaying during hoisting and rotation, and thus improves the overall performance and service life of the installation device, ensuring the smooth progress of wind turbine blade installation and providing strong technical support for the efficient development of the wind power industry. Example

[0034] In wind turbine blade installation, to ensure accurate installation angles, an optimized design was implemented based on Example 1. Specifically, an adjusting seat 5 is installed inside the lifting frame 1. The bottom center of the adjusting seat 5 is hinged to the corresponding part of the lifting frame 1 via a hinge shaft 6, ensuring relative stability and mobility of the adjusting seat 5 within the lifting frame 1. Simultaneously, a telescopic cylinder 7 is installed between the hinge shaft 6 and one end of the adjusting seat 5. The main function of the telescopic cylinder 7 is to adjust the pitch angle of the adjusting seat 5. The support seat 2 is rotatably mounted on the adjusting seat 5. This rotatable connection allows for flexible adjustment of the angle of the support seat 2 to adapt to different wind turbine blade installation requirements. It is particularly noteworthy that one end of the telescopic cylinder 7 is hinged to the hinge shaft 6, and the other end is hinged to the adjusting seat 5. The telescopic movement of the cylinder 7 enables precise adjustment of the pitch angle of the adjusting seat 5.

[0035] When the wind turbine blades are docked with the support base 2, the installation status of the wind turbine blades is often limited by the environmental factors of the assembly site. If the wind turbine blades cannot be adjusted to a completely horizontal position, the pitch angle of the adjusting seat 5 can be adjusted using the telescopic cylinder 7, thereby changing the tilt angle of the support base 2 and enabling the support base 2 to make effective contact with the wind turbine blades. This avoids the tedious operation of repeatedly adjusting the tilt angle of the lifting frame 1 with the crane, effectively reducing the difficulty of the installation process and significantly improving installation efficiency, providing a more convenient and efficient solution for the installation of wind turbine blades. Example

[0036] Referring to Figures 1 to 5, a wind turbine blade installation angle adjustment device is further optimized based on Embodiment 1 or Embodiment 2. A boss 8 is provided at the center of the outer ring of the support base 2. This boss 8 provides important support and positioning for subsequent installation and adjustment. Correspondingly, the adjustment base 5 is equipped with support wheel sets on both sides of the corresponding boss 8. Each support wheel set includes two spaced support wheels 9. A clamping wheel 10 is installed between the two support wheels 9 of the support wheel set. The clamping wheel 10 presses against the inner ring surface of the support base 2. Through this design, the support base 2 is rotatably connected to the adjustment base 5 via the support wheel sets, and the clamping wheel 10 can firmly press the support base 2 onto the adjustment base 5, effectively preventing the support base 2 from accidentally detaching from the adjustment base 5, ensuring the stability and safety of the installation process.

[0037] Furthermore, the adjusting seat 5 has a slot at the position corresponding to the boss 8, and a drive wheel 11 is installed inside the slot. The drive wheel 11 is connected to the drive motor 3 and the boss 8. Specifically, if the boss 8 has an arc-shaped surface, the drive wheel 11 is a friction wheel that makes frictional contact with the boss 8; if the boss 8 has a gear-shaped structure, the drive wheel 11 is a gear that meshes with the boss 8. In this way, the drive wheel 11 can drive the support seat 2 to rotate around its center, thereby adjusting the angle of the wind turbine blade in the horizontal direction. This further improves the flexibility and accuracy of the wind turbine blade installation angle adjustment, meeting the diverse requirements for wind turbine blade angle adjustment in different installation scenarios. Example

[0038] Referring to Figures 1 and 3, an improved wind turbine blade installation angle adjustment device is presented based on any of the embodiments in Examples 1 to 3. The support base 2 is equipped with an internal support block 12 adapted to the shape of the wind turbine blade, which is made of rubber or nylon. This design effectively improves the stability of the wind turbine blade support, ensuring that the blade remains stable during installation and facilitating subsequent installation operations. Simultaneously, the rubber or nylon support block 12 also prevents damage to the wind turbine blade, protects its surface quality, and extends its service life.

[0039] In addition, a lifting ring 13 is provided at the top of the lifting frame 1. This design facilitates the connection between the truck crane and the lifting frame 1 during the lifting operation. In the actual installation process, the crane can quickly and accurately connect to the lifting frame 1 through the lifting ring 13 to realize the lifting operation of the entire wind turbine blade installation angle adjustment device, which improves the efficiency and safety of the lifting operation and provides a more convenient and reliable lifting method for the installation of wind turbine blades.

[0040] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and are intended to include all changes that fall within the meaning and scope of equivalents within this utility model.

Claims

1. A wind turbine blade pitch adjustment device, characterized in that, include: The hoisting frame (1) has a C-shaped structure; Support base (2), the support base (2) has a semi-circular structure and is rotatably connected to the hoisting frame (1) for supporting wind turbine blades; The drive motor (3) is located on one side of the support base (2) and is connected to the support base (2) in a drive manner; the drive motor (3) drives the support base (2) to rotate and adjust the installation angle of the wind turbine blades; The strap (4) is installed on the top of the support base (2) to fix the wind turbine blades.

2. The wind turbine blade installation angle adjustment device as described in claim 1, characterized in that: The hoisting frame (1) is provided with an adjustment seat (5), and the center of the bottom of the adjustment seat (5) is hinged to the hoisting frame (1) via a hinge shaft (6); a telescopic cylinder (7) for adjusting the pitch angle of the adjustment seat (5) is installed between the hinge shaft (6) and one end of the adjustment seat (5); the support seat (2) is rotatably installed on the adjustment seat (5).

3. The wind turbine blade installation angle adjustment device as described in claim 2, characterized in that: The support seat (2) has a boss (8) at the center of the outer ring. The adjustment seat (5) has a support wheel set on both sides of the boss (8). The support wheel set includes two support wheels (9) spaced apart. A pressing wheel (10) is installed between the two support wheels (9) of the support wheel set and presses against the inner ring surface of the support seat (2).

4. The wind turbine blade installation angle adjustment device as described in claim 3, characterized in that: The adjustment seat (5) has a slot at the position corresponding to the boss (8). A drive wheel (11) that is connected to the drive motor (3) is installed in the slot, and the drive wheel (11) is connected to the boss (8).

5. The wind turbine blade installation angle adjustment device as described in claim 1, characterized in that: The support base (2) is provided with a support block (12) that is adapted to the shape of the wind turbine blade. The support block (12) is made of rubber or nylon.

6. The wind turbine blade installation angle adjustment device as described in claim 1, characterized in that: The top of the hoisting frame (1) is provided with a lifting ring (13).

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