Pre-burying positioning tool for iron plate of cabin cover of wind power generator

Abstract

The utility model discloses a wind power generator cabin cover iron plate pre-embedding positioning tool, and relates to the technical field of wind power generator cabin cover assembling. The device comprises a bottom frame, the bottom frame is a C-shaped plate, and a clamping mechanism is arranged at the top of the bottom frame. The clamping mechanism is arranged, a trapezoidal sliding block is matched with a trapezoidal sliding groove, so that two connecting plates only can linearly move left and right at the top of the trapezoidal sliding groove, and when a first motor on a first driving assembly is driven to drive a two-way threaded rod to rotate, the two connecting plates can be driven to be close to each other; the clamping assemblies are arranged, so that a plurality of L-shaped plates on the clamping assemblies can fixedly clamp the left side and the right side of the cabin cover, the four clamping assemblies are evenly distributed on the outer walls of the left side and the right side of the cabin cover, it is ensured that the cabin cover can be kept stable in the iron plate pre-embedding process, and the problem of installation dislocation caused by inclination of the cabin cover in the fixing process is solved; and a stable supporting environment is provided for embedding of the iron plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of the assembly of a wind turbine nacelle cover, and particularly relates to a positioning tool for pre-burying iron plates in a wind turbine nacelle cover. Background Technique

[0002] Wind power generation uses wind power to drive the rotation of the windmill blades, and then increases the rotation speed through a speed increaser to promote the generator to generate electricity. The main components of wind power generation include a nacelle cover, which is usually arranged at the top of the iron tower, and other generator set components are installed inside the nacelle cover. In order to connect the nacelle cover with the frame, iron plates are usually pre-buried on the inner wall of the nacelle cover, and then screw holes are arranged on the iron plates. The screw holes are connected and assembled with L-shaped hanging parts, and the L-shaped hanging parts connect the nacelle cover and the main frame to achieve connection and assembly.

[0003] However, before pre-burying the iron plates in the nacelle cover, the existing positioning tooling is not convenient for supporting and fixing large wind turbine nacelle covers. The wind turbine nacelle covers are generally thin and have high flexibility, resulting in inaccurate positioning of the iron plates during the installation process. This not only affects the stability of the overall structure, but also may cause problems such as scratches and deformation during subsequent use, seriously affecting the performance and service life of the wind turbine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning tool for pre-burying iron plates in a wind turbine nacelle cover. By providing a clamping mechanism, four clamping components are evenly distributed on the outer walls of the left and right sides of the nacelle cover, ensuring that the nacelle cover can remain stable during the pre-burying process of the iron plates, preventing the problem of installation misalignment caused by the nacelle cover skewing during the fixing process, providing a stable support environment for the pre-burying of the iron plates, and solving the problem that the existing positioning tooling is not convenient for supporting and fixing large wind turbine nacelle covers. The wind turbine nacelle covers are generally thin and have high flexibility, resulting in inaccurate positioning of the iron plates during the installation process.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a positioning tool for pre-burying iron plates in a wind turbine nacelle cover, including a bottom frame

[0007] The bottom frame is a U-shaped plate. A clamping mechanism is arranged on the top of the bottom frame. A nacelle cover is arranged inside the clamping mechanism. A cavity is arranged inside the nacelle cover. The clamping mechanism is located outside the nacelle cover; and

[0008] A positioning mechanism is fixedly installed on the front side of the nacelle cover. The positioning mechanism extends to the center of the internal cavity of the nacelle cover. A plurality of iron plates are arranged on the positioning mechanism;

[0009] The clamping mechanism is used to clamp and fix the position of the cabin cover, and the positioning mechanism is used to position the multiple iron plates in the internal cavity of the cabin cover.

[0010] Furthermore, the clamping mechanism comprises:

[0011] A driving assembly 1, wherein the driving assembly 1 is located at the inner bottom of the bottom frame; and

[0012] The clamping assembly has two clamping assemblies, and the two clamping assemblies are arranged on the driving assembly one with the cabin cover as the central axis.

[0013] Furthermore, the driving component 1 includes a motor 1 fixedly connected to the left side of the bottom frame, the output end of the motor 1 is fixedly connected to a bidirectional threaded rod through a coupling, the bidirectional threaded rod passes through the bottom frame, the bidirectional threaded rod is rotatably connected to the bottom frame, the outer wall of the bidirectional threaded rod is threadedly connected to two connecting plates, the inner bottom wall of the bottom frame is provided with two trapezoidal slide grooves, the bottom surfaces of the two connecting plates are fixedly connected to two trapezoidal sliders, and the four trapezoidal sliders are respectively slidably connected to the inner walls of the two trapezoidal slide grooves.

[0014] Furthermore, the clamping assembly includes two fixing rods which are fixedly connected to the sides of the two connecting plates close to each other, and one end of the four fixing rods which is away from the connecting plates is fixedly connected to an L-shaped plate.

[0015] Furthermore, the positioning mechanism comprises:

[0016] A second driving assembly, wherein the second driving assembly is fixedly mounted on the front top of the bottom frame; and

[0017] A positioning component is fixedly mounted on the top rear side of the second driving component.

[0018] Furthermore, the driving component 2 includes a vertical plate fixedly connected to the front side of the bottom frame, the inner wall of the vertical plate is fixedly connected to the motor 2, the output end of the motor 2 is fixedly connected to the rotating rod through a coupling, the rear side of the vertical plate is fixedly connected to a plurality of connecting rods, and the outer wall of the connecting rod is fixedly connected to three connecting discs.

[0019] Furthermore, the positioning assembly includes a cross-shaped frame fixedly connected to the outer walls of several connecting rods, the inner walls of the three cross-shaped frames are slidably connected to four sliders, the front sides of several sliders are fixedly connected to connecting shaft 1, the front sides of the three connecting discs are fixedly connected to four connecting shafts 1, the outer walls of several connecting shafts 1 are rotatably sleeved with arc rods, and the ends of several arc rods away from connecting shaft 1 are rotatably sleeved on the outer wall of connecting shaft 2.

[0020] Furthermore, the rear sides of several of the sliders are fixedly connected with extension rods, the ends of several of the extension rods away from the sliders are fixedly connected with connecting blocks, the inner walls of several of the connecting blocks are fixedly connected with three magnetic blocks, the inner walls of several of the connecting blocks are provided with iron plates, and the magnetic blocks adsorb the iron plates inside the connecting blocks.

[0021] The utility model has the following beneficial effects:

[0022] 1. By providing a clamping mechanism, the trapezoidal slider and the trapezoidal slide groove cooperate with each other, so that the two connecting plates can only move linearly left and right at the top of the trapezoidal slide groove. When the motor 1 on the driving assembly 1 drives the bidirectional threaded rod to rotate, the two connecting plates can be driven to approach each other, so that the several L-shaped plates on the clamping assembly can fix and clamp the left and right sides of the cabin cover. The four clamping assemblies are evenly distributed on the left and right outer walls of the cabin cover, ensuring that the cabin cover can remain stable during the pre-embedding of the iron plate, preventing the cabin cover from tilting during the fixing process and causing the installation dislocation problem, and providing a stable support environment for the pre-embedding of the iron plate;

[0023] 2. By providing a positioning mechanism, after the cabin cover is stably supported and fixed, the positioning assembly is located inside the cabin cover, and multiple connecting rods can fix the three cross-shaped frames on the rear side of the vertical plate. The positioning assembly provides stable support, and at this time, the motor 2 on the vertical plate can be driven to drive the rotating rod to rotate, and the rotating rod drives multiple connecting discs to rotate synchronously, and multiple connecting shafts 2 on the multiple connecting discs drive the arc rods to rotate, and the multiple arc rods pull the sliders to move on the inner wall of the cross-shaped frame through the connecting shaft 1, so that the four sliders on the cross-shaped frame move away from each other. When the multiple iron plates are placed inside the multiple connecting blocks respectively, the multiple magnetic blocks attract the iron plates through magnetism, so that the iron plates are stuck inside the connecting blocks, and when the multiple sliders move away from each other and drive the extension rods close to the inner wall of the cabin cover, the multiple iron plates will be The plates are evenly distributed and fit on the inner wall of the cabin cover, so that multiple iron plates can be accurately positioned on the inner wall of the cabin cover. The internal space of the cabin cover is large. When the positioning component is located inside the cabin cover, the staff can enter the internal cavity of the cabin cover through the gap between the cross frame and the cabin cover, which is convenient for subsequent installation and processing, greatly improving the accuracy of the iron plate positioning. After the iron plate is fixed, the motor can be driven to release the clamping of the cabin cover, and the cabin cover can be removed by an external crane. This mechanism can greatly improve the accuracy of the iron plate positioning and provide an efficient solution for batch processing of the cabin cover. At the same time, the design of the positioning component takes into account the convenience and safety of operation, which simplifies the cumbersome operation. In addition, the positioning and fixing of the iron plate can be completed in a short time, which improves the production efficiency of the factory.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the clamping mechanism of the utility model;

[0028] Figure 3 It is a structural schematic diagram of the positioning mechanism of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the positioning component of the utility model;

[0030] Figure 5 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Bottom frame; 2. Clamping mechanism; 3. Positioning mechanism; 4. Cabin cover; 21. Drive component one; 211. Motor one; 212. Bidirectional threaded rod; 213. Trapezoidal slide; 214. Trapezoidal slider; 215. Connecting plate; 22. Clamping component; 221. Fixed rod; 222. L-shaped plate; 31. Drive component two; 311. Vertical plate; 312. Motor two; 313. Rotating rod; 314. Connecting rod; 315. Connecting disc; 32. Positioning component; 321. Cross frame; 322. Slider; 323. Connecting shaft one; 324. Connecting shaft two; 325. Arc rod; 326. Extension rod; 327. Connecting block; 328. Magnetic block; 329. Iron plate. DETAILED DESCRIPTION

[0033] 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 of 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.

[0034] See also Figure 1-5 As shown, the utility model is a wind turbine nacelle iron plate pre-embedded positioning tool, the bottom frame includes:

[0035] Bottom frame 1, the bottom frame 1 is a U-shaped plate, a clamping mechanism 2 is arranged at the top of the bottom frame 1, a clamping cabin cover 4 is arranged inside the clamping mechanism 2, a cavity is arranged inside the cabin cover 4, and the clamping mechanism 2 is located outside the cabin cover 4; and

[0036] Positioning mechanism 3, the positioning mechanism 3 is fixedly installed on the front side of the cabin cover 4, the positioning mechanism 3 extends to the center of the inner cavity of the cabin cover 4, and a plurality of iron plates 329 are arranged on the positioning mechanism 3;

[0037] Wherein, the clamping mechanism 2 is used to clamp and fix the position of the clamping cabin cover 4, and the positioning mechanism 3 is used to position a plurality of iron plates 329 in the inner cavity of the cabin cover 4.

[0038] The clamping mechanism 2 includes: a first driving component 21, the first driving component 21 is located at the inner bottom of the bottom frame 1; and a clamping component 22, there are two clamping components 22, and the two clamping components 22 are arranged on the first driving component 21 with the cabin cover 4 as the central axis. The first driving component 21 includes a first motor 211 fixedly connected to the left side of the bottom frame 1. The output end of the first motor 211 is fixedly connected with a bidirectional threaded rod 212 through a coupling. The bidirectional threaded rod 212 penetrates through the bottom frame 1, and the bidirectional threaded rod 212 is rotatably connected with the bottom frame 1. Two connecting plates 215 are threadedly connected to the outer wall of the bidirectional threaded rod 212. Two trapezoidal chutes 213 are opened on the inner bottom wall of the bottom frame 1. Two trapezoidal sliders 214 are fixedly connected to the bottom surfaces of the two connecting plates 215 respectively. The four trapezoidal sliders 214 are respectively slidably connected to the inner walls of the two trapezoidal chutes 213. The clamping component 22 includes two fixing rods 221 fixedly connected to the mutually close sides of the two connecting plates 215 respectively. The ends of the four fixing rods 221 far away from the connecting plates 215 are all fixedly connected with L-shaped plates 222. By arranging the clamping mechanism 2, the trapezoidal sliders 214 and the trapezoidal chutes 213 cooperate with each other, so that the two connecting plates 215 can only linearly move left and right at the top of the trapezoidal chutes 213. When the first motor 211 on the first driving component 21 drives the bidirectional threaded rod 212 to rotate, the two connecting plates 215 can be driven to approach each other, so that a plurality of L-shaped plates 222 on the clamping component 22 can fixedly clamp the left side and the right side of the cabin cover 4. The four clamping components 22 are evenly distributed on the outer walls of the left side and the right side of the cabin cover 4, ensuring that the cabin cover 4 can remain stable during the embedding process of the iron plates 329, preventing the problem of installation misalignment caused by the skew of the cabin cover 4 during the fixing process, and providing a stable supporting environment for the embedding of the iron plates 329.

[0039] The positioning mechanism 3 includes: a driving component 2 31, which is fixedly mounted on the front top of the bottom frame 1; and a positioning component 32, which is fixedly mounted on the top rear side of the driving component 2 31, the driving component 2 31 includes a vertical plate 311 fixedly connected to the front side of the bottom frame 1, the inner wall of the vertical plate 311 is fixedly connected to a motor 2 312, the output end of the motor 2 312 is fixedly connected to a rotating rod 313 through a coupling, the rear side of the vertical plate 311 is fixedly connected to a plurality of connecting rods 314, the outer wall of the connecting rod 314 is fixedly connected to three connecting discs 315, the positioning component 32 includes a cross-shaped frame 321 fixedly connected to the outer walls of the plurality of connecting rods 314, and the three connecting discs 315 are fixedly connected to the outer walls of the connecting rods 314. The inner wall of the cross-shaped frame 321 is slidably connected with four sliders 322, the front sides of several sliders 322 are fixedly connected with a connecting shaft 1 323, the front sides of the three connecting discs 315 are fixedly connected with four connecting shafts 1 323, the outer walls of several connecting shafts 1 323 are rotatably sleeved with arc rods 325, the ends of several arc rods 325 away from the connecting shaft 1 323 are rotatably sleeved on the outer wall of the connecting shaft 2 324, the rear sides of several sliders 322 are fixedly connected with extension rods 326, the ends of several extension rods 326 away from the sliders 322 are fixedly connected with connecting blocks 327, the inner walls of several connecting blocks 327 are fixedly connected with three magnetic blocks 328, and several The inner wall of the connecting block 327 is provided with an iron plate 329, and the magnetic block 328 adsorbs the iron plate 329 inside the connecting block 327. By providing a positioning mechanism 3, after the cabin cover 4 is stably supported and fixed, the positioning assembly 32 is located inside the cabin cover 4, and multiple connecting rods 314 can fix the three cross-shaped frames 321 on the rear side of the vertical plate 311. The positioning assembly 32 provides stable support. At this time, the motor 2 312 on the vertical plate 311 can be driven to drive the rotating rod 313 to rotate, and the rotating rod 313 drives the multiple connecting discs 315 to rotate synchronously. The multiple connecting shafts 2 324 on the multiple connecting discs 315 drive the arc rods 325 to rotate, and the multiple arc rods 325 pull the slider 322 on the cross frame through the connecting shaft 1 323. When the plurality of iron plates 329 are placed inside the plurality of connecting blocks 327, the plurality of magnetic blocks 328 attract the iron plates 329 by magnetism, so that the iron plates 329 are stuck inside the connecting blocks 327. When the plurality of sliders 322 move away from each other and drive the extension rod 326 to approach the inner wall of the cabin cover 4, the plurality of iron plates 329 are evenly distributed and attached to the inner wall of the cabin cover 4, so that the plurality of iron plates 329 can be accurately positioned on the inner wall of the cabin cover 4. The internal space of the cabin cover 4 is relatively large. When the positioning assembly 32 is located inside the cabin cover 4, the staff can enter the internal cavity of the cabin cover 4 through the gap between the cross-shaped frame 321 and the cabin cover 4.It is convenient for subsequent installation and processing, and greatly improves the accuracy of the positioning of the iron plate 329. After the iron plate 329 is fixed, the motor 211 can be driven to loosen the clamping of the cabin cover 4, and the cabin cover 4 can be removed by the external crane. This mechanism can greatly improve the accuracy of the positioning of the iron plate 329 and provide an efficient solution for the batch processing of the cabin cover 4. At the same time, the design of the positioning component 32 takes into account the convenience and safety of operation, which simplifies the cumbersome operation. In addition, the positioning and fixing of the iron plate 329 can be completed in a short time, which improves the production efficiency of the factory.

[0040] A specific application of this embodiment is: by providing a clamping mechanism 2, the trapezoidal slider 214 cooperates with the trapezoidal slide groove 213, so that the two connecting plates 215 can only move linearly left and right at the top of the trapezoidal slide groove 213, and when the motor 211 on the driving component 21 drives the bidirectional threaded rod 212 to rotate, the two connecting plates 215 can be driven to approach each other, so that the several L-shaped plates 222 on the clamping component 22 can fix and clamp the left and right sides of the cabin cover 4, and the four clamping components 22 are evenly distributed on the left and right outer walls of the cabin cover 4, ensuring that the cabin cover 4 can remain stable during the pre-embedding of the iron plate 329, preventing the cabin cover 4 from tilting during the fixing process to cause installation misalignment, and providing a stable support environment for the pre-embedding of the iron plate 329;

[0041] By providing the positioning mechanism 3, after the cabin cover 4 is stably supported and fixed, the positioning assembly 32 is located inside the cabin cover 4, and the multiple connecting rods 314 can fix the three cross-shaped frames 321 on the rear side of the vertical plate 311. The positioning assembly 32 provides stable support. At this time, the motor 2 312 on the vertical plate 311 can be driven to drive the rotating rod 313 to rotate, and the rotating rod 313 drives the multiple connecting discs 315 to rotate synchronously. The multiple connecting shafts 2 324 on the multiple connecting discs 315 drive the arc rods 325 to rotate, and the multiple arc rods 325 pull the sliders 322 to move on the inner wall of the cross-shaped frame 321 through the connecting shaft 1 323, so that the four sliders 322 on the cross-shaped frame 321 are separated from each other. When the multiple iron plates 329 are respectively placed inside the multiple connecting blocks 327, the multiple magnetic blocks 328 attract the iron plates 329 through magnetism, so that the iron plates 329 are stuck inside the connecting blocks 327, and the multiple sliders 322 drive the extension rods 326 away from each other. When approaching the inner wall of the cabin cover 4, multiple iron plates 329 will be evenly distributed and fit on the inner wall of the cabin cover 4, so that multiple iron plates 329 can be accurately positioned on the inner wall of the cabin cover 4. The internal space of the cabin cover 4 is relatively large. When the positioning component 32 is located inside the cabin cover 4, the staff can enter the internal cavity of the cabin cover 4 through the gap between the cross frame 321 and the cabin cover 4, and fix the iron plates 329 to the inner wall of the cabin cover 4 by bolts, which greatly improves the accuracy of the positioning of the iron plates 329. After the iron plates 329 are fixed, the motor 211 can be driven to loosen the clamping of the cabin cover 4, and the cabin cover 4 can be removed by an external crane. This mechanism can greatly improve the accuracy of the positioning of the iron plates 329, and provide an efficient solution for batch processing of the cabin cover 4. At the same time, the design of the positioning component 32 takes into account the convenience and safety of operation, simplifies complicated operations, and completes the positioning and fixing of the iron plates 329 in a short time, thereby improving the production efficiency of the factory.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A wind turbine nacelle iron plate pre-embedded positioning tool, bottom frame (1), characterized in that: include: The bottom frame (1) is a shaped plate, a clamping mechanism (2) is provided on the top of the bottom frame (1), a clamping cabin cover (4) is provided inside the clamping mechanism (2), a cavity is provided inside the cabin cover (4), and the clamping mechanism (2) is located outside the cabin cover (4); and A positioning mechanism (3), the positioning mechanism (3) being fixedly mounted on the front side of the cabin cover (4), the positioning mechanism (3) extending to the center of the internal cavity of the cabin cover (4), and a plurality of iron plates (329) being arranged on the positioning mechanism (3); The clamping mechanism (2) is used to clamp and fix the position of the cabin cover (4), and the positioning mechanism (3) is used to position the plurality of iron plates (329) in the internal cavity of the cabin cover (4).

2. The wind turbine nacelle iron plate pre-embedded positioning tool according to claim 1, characterized in that: The clamping mechanism (2) comprises: A driving component 1 (21), wherein the driving component 1 (21) is located at the inner bottom of the bottom frame (1); and A clamping assembly (22), wherein there are two clamping assemblies (22), and the two clamping assemblies (22) are arranged on the driving assembly (21) with the cabin cover (4) as the central axis.

3. The wind turbine nacelle iron plate pre-embedded positioning tool according to claim 2, characterized in that: The driving assembly 1 (21) comprises a motor 1 (211) fixedly connected to the left side of the bottom frame (1); the output end of the motor 1 (211) is fixedly connected to a bidirectional threaded rod (212) via a coupling; the bidirectional threaded rod (212) passes through the bottom frame (1); the bidirectional threaded rod (212) is rotatably connected to the bottom frame (1); the outer wall of the bidirectional threaded rod (212) is threadedly connected to two connecting plates (215); the inner bottom wall of the bottom frame (1) is provided with two trapezoidal slide grooves (213); the bottom surfaces of the two connecting plates (215) are fixedly connected to two trapezoidal sliders (214); and the four trapezoidal sliders (214) are respectively slidably connected to the inner walls of the two trapezoidal slide grooves (213).

4. The wind turbine nacelle iron plate pre-embedded positioning tooling according to claim 2 is characterized in that: The clamping assembly (22) comprises two fixing rods (221) fixedly connected to the sides of the two connecting plates (215) close to each other, and one end of the four fixing rods (221) away from the connecting plates (215) is fixedly connected to an L-shaped plate (222).

5. The wind turbine nacelle iron plate pre-embedded positioning tool according to claim 1, characterized in that: The positioning mechanism (3) comprises: A second drive assembly (31), wherein the second drive assembly (31) is fixedly mounted on the front top of the bottom frame (1); and A positioning assembly (32), wherein the positioning assembly (32) is fixedly mounted on the top rear side of the second driving assembly (31).

6. The wind turbine nacelle iron plate pre-embedded positioning tool according to claim 5, characterized in that: The second driving assembly (31) comprises a vertical plate (311) fixedly connected to the front side of the bottom frame (1); a second motor (312) is fixedly connected to the inner wall of the vertical plate (311); an output end of the second motor (312) is fixedly connected to a rotating rod (313) via a coupling; a plurality of connecting rods (314) are fixedly connected to the rear side of the vertical plate (311); and three connecting discs (315) are fixedly connected to the outer wall of the connecting rod (314).

7. The wind turbine nacelle iron plate pre-embedded positioning tool according to claim 6, characterized in that: The positioning assembly (32) comprises a cross-shaped frame (321) fixedly connected to the outer walls of a plurality of connecting rods (314); the inner walls of the three cross-shaped frames (321) are slidably connected to four sliders (322); the front sides of the plurality of sliders (322) are fixedly connected to a connecting shaft 1 (323); the front sides of the three connecting disks (315) are fixedly connected to four connecting shafts 1 (323); the outer walls of the plurality of connecting shafts 1 (323) are rotatably sleeved with arc-shaped rods (325); and the ends of the plurality of arc-shaped rods (325) away from the connecting shaft 1 (323) are rotatably sleeved on the outer wall of the connecting shaft 2 (324).

8. The wind turbine nacelle iron plate pre-embedded positioning tool according to claim 7, characterized in that: The rear sides of the plurality of sliders (322) are fixedly connected to extension rods (326), the ends of the plurality of extension rods (326) away from the sliders (322) are fixedly connected to connection blocks (327), the inner walls of the plurality of connection blocks (327) are fixedly connected to three magnetic blocks (328), the inner walls of the plurality of connection blocks (327) are provided with iron plates (329), and the magnetic blocks (328) adsorb the iron plates (329) inside the connection blocks (327).

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