A prefabricated fan tower section structure

Abstract

The utility model belongs to the technical field of the assembly of the piece -by -piece tower drum, and disclose a prefabricated assembly type fan tower drum piece -by -piece structure, including two symmetrical distribution's support frame, the alignment adjusting structure that is assembled in the inside support frame and is used for tower drum piece -by -piece accurate alignment, the servo motor of driving alignment adjusting structure operation and the limit wheel of the movement track of alignment adjusting structure is limited. The accurate alignment effect is remarkable: through the gear transmission design of alignment adjusting structure, servo motor drives transmission gear, rotating wheel, driven gear in turn, finally drive gear board drives the installation piece and tower drum piece -by -piece to the middle and draw close, realize the quick, accurate alignment of tower drum piece -by -piece, avoid the problem of insufficient precision of relying on crane adjustment, improve assembly precision and quality.

Description

Technical Field

[0001] This utility model belongs to the technical field of prefabricated assembled wind turbine towers, specifically a segmented structure for a prefabricated assembled wind turbine tower. Background Technology

[0002] Prefabricated wind turbine towers are increasingly used in wind power projects due to their advantages such as ease of factory prefabrication, low transportation costs, and flexible on-site installation. These towers are typically composed of several segmented structures (usually 2-4 segments), which need to be assembled on-site.

[0003] In actual assembly, precise alignment of tower sections is crucial for ensuring assembly quality and efficiency. Current technologies often rely on cranes to directly adjust the position of tower sections. However, due to the limited precision of crane operation and the significant weight and susceptibility to inertia of the tower sections, achieving fine and precise alignment is difficult. This not only prolongs assembly time and increases labor costs but can also lead to structural stability issues due to alignment deviations, affecting the overall operational safety of the wind turbine and even increasing the difficulty and cost of later maintenance. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a prefabricated assembled wind turbine tower segmented structure, including two symmetrically distributed support frames, an alignment adjustment structure assembled inside the support frames for precise alignment of the tower segments, a servo motor driving the alignment adjustment structure, and a limiting wheel for limiting the movement trajectory of the alignment adjustment structure.

[0005] The alignment adjustment structure includes a rotating wheel rotatably connected inside the support frame, a transmission gear meshing with the outer wall of the rotating wheel, four driven gears meshing with the inner wall of the rotating wheel, a gear plate meshing with the outer wall of the driven gears, and an mounting plate fixed to one end of the gear plate for connecting the tower sections. The limiting wheel is fixedly connected to the side of the two support frames away from each other via a connecting plate, and one end of the gear plate extends into the limiting wheel and slides in connection with its inner wall.

[0006] Furthermore, the output end of the servo motor is fixedly connected to the side of the transmission gear away from the mounting plate. When the servo motor is running, it can drive the transmission gear to rotate synchronously, providing stable power for the alignment adjustment structure.

[0007] Furthermore, the inner wall of the support frame is provided with a sliding groove, and the rotating wheel is rotatably connected to the support frame through the sliding groove. The sliding groove can limit the rotation trajectory of the rotating wheel, prevent the rotating wheel from deviating during operation, and ensure the stability of power transmission.

[0008] Furthermore, the four driven gears, four gear plates, and four mounting plates are all arranged in a circular array, which can apply forces synchronously from multiple directions of the tower section, thereby achieving uniform clamping and synchronous alignment of the tower section and reducing the stress deformation of the tower section during the alignment process.

[0009] Furthermore, the inner wall of the limiting wheel is provided with a groove that matches the gear plate, allowing the gear plate to slide along the groove during movement. The limiting wheel effectively restricts the movement direction of the gear plate, preventing it from tilting due to excessive force, thereby preventing misalignment of the tower sections and ensuring alignment accuracy.

[0010] Furthermore, the distance between the two support frames can be adjusted according to the length of the tower segment, so that the structure can be adapted to prefabricated wind turbine tower segments of different specifications, thereby improving the versatility and applicability of the structure.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: Significantly precise alignment: Through the gear transmission design of the alignment adjustment structure, the servo motor drives the transmission gear, rotating wheel, and driven gear to rotate in sequence, and finally drives the gear plate to move the mounting plate and tower sections closer to the center, realizing the rapid and precise alignment of the tower sections, avoiding the problem of insufficient precision due to the reliance on crane adjustment, and improving assembly accuracy and quality.

[0012] High operational stability: The sliding groove of the support frame limits the trajectory of the rotating wheel, and the limiting wheel restricts the movement direction of the gear plate. The double limiting structure can effectively prevent the offset of each component during operation, ensure the stability of the alignment adjustment process, and reduce the alignment deviation caused by component offset.

[0013] High versatility: The spacing between the two support frames can be adjusted according to the length of the tower section, which can be adapted to prefabricated wind turbine tower sections of different specifications. There is no need to design a separate alignment structure for towers of different specifications, thus reducing the cost of use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a front view structural diagram of the present invention; Figure 3 This is a schematic diagram of the right-side structure of this utility model; Figure 4 This is a schematic diagram of the cross-sectional structure of the support frame of this utility model; Figure 5 This is a schematic diagram of the alignment adjustment structure of this utility model; Figure 6 This is a schematic diagram of the support frame structure of this utility model.

[0015] In the diagram: 1. Support frame; 2. Alignment adjustment structure; 21. Rotating wheel; 22. Transmission gear; 23. Driven gear; 24. Gear plate; 25. Mounting plate; 3. Servo motor; 4. Limit wheel; 41. Connecting plate. Detailed Implementation

[0016] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figures 1 to 6 As shown, this utility model provides a prefabricated assembled wind turbine tower segmented structure, including two symmetrically distributed support frames 1, an alignment adjustment structure 2 assembled inside the support frames 1 for precise alignment of the tower segments, a servo motor 3 driving the alignment adjustment structure 2, and a limiting wheel 4 limiting the movement trajectory of the alignment adjustment structure 2.

[0018] The alignment adjustment structure 2 includes a rotating wheel 21 rotatably connected inside the support frame 1, a transmission gear 22 meshing with the outer wall of the rotating wheel 21, four driven gears 23 meshing with the inner wall of the rotating wheel 21, a gear plate 24 meshing with the outer wall of the driven gears 23, and a mounting plate 25 fixed to one end of the gear plate 24 for connecting the tower sections. The limiting wheel 4 is fixedly connected to the side of the two support frames 1 away from each other by a connecting plate 41, and one end of the gear plate 24 extends into the limiting wheel 4 and slides in connection with its inner wall.

[0019] The output end of the servo motor 3 is fixedly connected to the side of the transmission gear 22 away from the mounting plate 25. When the servo motor 3 is running, it can drive the transmission gear 22 to rotate synchronously, providing stable power for the alignment adjustment structure 2.

[0020] The inner wall of the support frame 1 is provided with a sliding groove. The rotating wheel 21 is rotatably connected to the support frame 1 through the sliding groove. The sliding groove can limit the rotation trajectory of the rotating wheel 21, prevent the rotating wheel 21 from deviating during operation, and ensure the stability of power transmission.

[0021] The four driven gears 23, the four gear plates 24, and the four mounting plates 25 are all arranged in a ring array, which can apply force synchronously from multiple directions of the tower section, realize uniform clamping and synchronous alignment of the tower section, and reduce the stress deformation of the tower section during the alignment process.

[0022] The inner wall of the limiting wheel 4 is provided with a groove that matches the gear plate 24, allowing the gear plate 24 to slide along the groove when moving. The limiting wheel 4 effectively restricts the movement direction of the gear plate 24, preventing the gear plate 24 from tilting due to excessive force, thereby preventing misalignment of the tower sections and ensuring alignment accuracy.

[0023] The distance between the two support frames 1 can be adjusted according to the length of the tower segment, so that the structure can be adapted to prefabricated wind turbine tower segments of different specifications, thereby improving the versatility and applicability of the structure.

[0024] When in use, first adjust the distance between the two support frames 1 according to the length of the tower section to be assembled to ensure that the structure is compatible with the tower section specifications; then lift the tower section with a crane to fix the tower section to the mounting plate 25 to ensure a firm connection and prevent it from falling off during subsequent operations.

[0025] Start the servo motor 3, and the output of the servo motor 3 drives the transmission gear 22 to rotate. Since the transmission gear 22 meshes with the outer wall of the rotating wheel 21, the rotation of the transmission gear 22 drives the rotating wheel 21 to rotate synchronously along the sliding groove of the inner wall of the support frame 1. During the rotation of the rotating wheel 21, its inner wall meshes with four driven gears 23, thereby driving the four driven gears 23 to rotate. The driven gears 23 mesh with the gear plate 24, and the rotation of the driven gears 23 drives the gear plate 24 to move towards the central limiting wheel 4. When the gear plate 24 moves, it slides along the groove of the inner wall of the limiting wheel 4 to avoid tilting or deviation.

[0026] During the movement of the gear plate 24, it drives the mounting plate 25 at one end and the tower segments on the mounting plate 25 to move towards the center synchronously until the tower segments are precisely aligned and the alignment operation is completed. After the alignment is completed, the servo motor 3 is turned off, and the subsequent tower segment fixing and assembly operation can be carried out.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] 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 prefabricated assembled wind turbine tower segmented structure, characterized in that: The system includes two symmetrically distributed support frames (1), an alignment adjustment structure (2) assembled inside the support frames (1) for precise alignment of tower sections, a servo motor (3) driving the alignment adjustment structure (2), and a limiting wheel (4) limiting the movement trajectory of the alignment adjustment structure (2). The alignment adjustment structure (2) includes a rotating wheel (21) rotatably connected inside the support frame (1), a transmission gear (22) meshing with the outer wall of the rotating wheel (21), four driven gears (23) meshing with the inner wall of the rotating wheel (21), a gear plate (24) meshing with the outer wall of the driven gears (23), and an mounting plate (25) fixed to one end of the gear plate (24) for connecting tower sections. The limiting wheel (4) is fixedly connected to the side of the two support frames (1) away from each other by a connecting plate (41), and one end of the gear plate (24) extends into the limiting wheel (4) and slides in connection with its inner wall.

2. The prefabricated assembled fan tower section structure according to claim 1, characterized in that: The output end of the servo motor (3) is fixedly connected to the side of the transmission gear (22) away from the mounting plate (25). When the servo motor (3) is running, it can drive the transmission gear (22) to rotate synchronously.

3. The prefabricated assembled fan tower section structure according to claim 1, characterized in that: The inner wall of the support frame (1) is provided with a sliding groove, and the rotating wheel (21) is rotatably connected to the support frame (1) through the sliding groove. The sliding groove can limit the rotation trajectory of the rotating wheel (21).

4. The prefabricated assembled fan tower section structure according to claim 1, characterized in that: The four driven gears (23), four gear plates (24) and four mounting plates (25) are arranged in a ring array, which can realize multi-directional synchronous clamping and alignment of the tower sections.

5. The prefabricated assembled fan tower section structure according to claim 1, characterized in that: The inner wall of the limiting wheel (4) is provided with a groove that matches the gear plate (24). When the gear plate (24) moves, it can slide along the groove to avoid the gear plate (24) tilting or shifting under force.

6. The prefabricated assembled fan tower section structure according to claim 1, characterized in that: The distance between the two support frames (1) can be adjusted according to the length of the tower segment to accommodate prefabricated wind turbine tower segments of different specifications.

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