Anti-vibration drilling device and drilling method for wind power anchor plate

Abstract

The application belongs to the technical field of drilling, and particularly relates to an anti-vibration drilling device and method for a wind power anchor plate. The anti-vibration drilling device comprises a fixed base, a plurality of through grooves arranged at intervals on the fixed base, a centering center line arranged at the center of the fixed base and matched with a wind power anchor plate welding dismounting line, the centering center line being parallel to the extension direction of the through grooves, a detection seat, an anti-vibration seat and a pressing seat arranged on the through grooves, a fluid closed cavity arranged on the detection seat, the fluid closed cavity being connected with a pressure gauge, an anti-vibration block arranged on the anti-vibration seat, a positioning seat arranged on the fixed base, and a positioning sensor arranged on the positioning seat and matched with each other. The drilling device can realize stable and accurate drilling of the wind power anchor plate, and can achieve stability detection, anti-vibration and centering detection before and during drilling of the wind power anchor plate, and complete the drilling operation of the wind power anchor plate. The drilling method can determine the center position of the wind power anchor plate, and stably and accurately complete the drilling operation of the wind power anchor plate.

Description

Technical Field

[0001] This application belongs to the field of drilling technology, and in particular relates to an anti-vibration drilling device and drilling method for wind turbine anchor plates. Background Technology

[0002] Wind turbine anchor plates are an important component of large wind turbines. They are used on the base and foundation of these turbines. Anchor plates are large disc-shaped structures with a large, hollow disc-shaped cavity in the center. Each anchor plate has two concentric rings of through holes, with a large number of holes in each ring, typically 80-130. Some anchor plates have an outer diameter exceeding 5 meters. The spacing between the through holes and the mating bolts is only 1-2 mm. Therefore, drilling is a crucial step in the production of wind turbine anchor plates. Accurate alignment during drilling is a key step, as precise alignment can prevent deviations during drilling. The following problems exist in the drilling of wind turbine anchor plates:

[0003] 1. Wind turbine anchor plates are large in size, requiring a large number of holes to be drilled, resulting in a lot of debris during drilling. Currently, the groove structure on the base of drilling equipment is unidirectional. If there is a groove structure with two directions, debris is likely to accumulate in the dead corners of each through groove, affecting the movement of components that are fixed and moved along the through groove.

[0004] 2. Conventional centering work uses a cross-shaped centering, but due to the large size of the wind turbine anchor plate and the unique direction of the trough structure, the cross-shaped structure cannot be used.

[0005] 3. When drilling holes in wind turbine anchor plates, due to their large size and numerous support points, the stress points are concentrated in localized areas of the wind turbine anchor plates, which may cause problems such as vibration and affect the drilling accuracy.

[0006] 4. Large-sized wind turbine anchor plates are difficult to transport. Special vehicles are required for transporting wind turbine anchor plates, which increases transportation costs. When transporting on narrow mountain roads, the vehicles have poor maneuverability. Therefore, the production and processing of wind turbine anchor plates also need to take into account subsequent transportation issues. Summary of the Invention

[0007] In order to solve the above problems, this application provides a vibration-resistant drilling device and drilling method for wind turbine anchor plates.

[0008] The primary objective of this application is to provide a vibration-resistant drilling device for wind turbine anchor plates. This device enables stable and precise drilling of wind turbine anchor plates, and achieves stability detection, vibration prevention, and alignment detection before and during drilling, thereby completing the drilling operation of wind turbine anchor plates.

[0009] To achieve the primary objective of this application, the technical solution of this application is as follows:

[0010] A vibration-resistant drilling device for wind turbine anchor plates includes a fixed base with several spaced through slots. A center line, which mates with the welding and disassembly line of the wind turbine anchor plate, is located at the center of the fixed base and is parallel to the extension direction of the through slots. A detection seat, a vibration-resistant seat, and a clamping seat are provided on the through slots. The detection seat and vibration-resistant seat are positioned at the lower end of the wind turbine anchor plate to support it. The clamping seat presses down on the upper end of the wind turbine anchor plate. The detection seat has a fluid-sealed cavity connected to a pressure gauge. The vibration-resistant seat has a vibration-resistant block. At least one pair of positioning seats are provided on the fixed base, and each positioning seat has a cooperating positioning sensor.

[0011] Furthermore, the ratio of the number of detection seats to anti-vibration seats is 1:2 to 1:5, with the detection seats arranged between the anti-vibration seats.

[0012] Furthermore, the detection seat, anti-vibration seat, and clamping seat all include a connecting seat, which is equipped with a locking bolt. The connecting seat is in the shape of an "I" and is arranged in a through groove. The locking bolt fixes the connecting seat to the fixed base.

[0013] Furthermore, the detection seat includes a sealing sleeve, a connecting column is provided inside the sealing sleeve, the lower end face of the connecting column and the sealing sleeve form a fluid closed cavity, the fluid closed cavity is filled with fluid, the sealing sleeve is provided with a sealing head for filling the fluid closed cavity, and a contact plate is provided at the upper end of the connecting column, the contact plate abuts against the lower end face of the wind turbine anchor plate.

[0014] Furthermore, the anti-vibration seat includes a fixing sleeve, on which anti-vibration blocks are provided.

[0015] Furthermore, the anti-vibration block is made of wood, and the grain of the wood is parallel to the central axis of the fixing sleeve.

[0016] Furthermore, the number of positioning seats is at least two pairs. The diagonally arranged positioning seats are non-axisymmetric about the central axis of the wind turbine anchor plate, and the adjacent positioning seats are symmetrical about the center line or the center line of the wind turbine anchor plate.

[0017] Furthermore, the clamping seat includes a U-shaped plate with clamping bolts screwed onto it. The wind turbine anchor plate is arranged inside the U-shaped plate, and the bottom end of the clamping bolts abuts against the upper end of the wind turbine anchor plate.

[0018] Furthermore, the positioning seat includes a movable seat, a connecting sleeve is provided on the movable seat, an angle sensor is provided on the movable seat, the angle sensor is arranged inside the connecting sleeve, a bearing is provided inside the connecting sleeve, a pressure cap is provided at the upper end of the connecting sleeve, the lower end of the pressure cap abuts against the bearing, a support column is provided on the inner circumference of the bearing, a fixed plate is provided at the upper end of the support column, and the positioning sensor is arranged on the fixed plate.

[0019] The second objective of this application is to provide a vibration-resistant drilling method for wind turbine anchor plates. This method uses the drilling method to determine the center position of the wind turbine anchor plate and to complete the drilling operation of the wind turbine anchor plate stably and accurately.

[0020] To achieve the second objective of this application, the technical solution of this application is as follows:

[0021] A method for anti-vibration drilling of wind turbine anchor plates, employing the aforementioned anti-vibration drilling device for wind turbine anchor plates, includes the following steps:

[0022] S1. According to the size of the wind turbine anchor plate, install the detection seat and anti-vibration seat in the fixed position of the fixed base;

[0023] S2. Adjust the space of the fluid-sealed cavity inside the detection seat so that the top of the detection seat is higher than the top of the anti-vibration seat;

[0024] S3. Move the wind turbine anchor plate and press the wind turbine anchor plate on the upper end of the test seat so that the welding and disassembly lines on the wind turbine anchor plate are aligned with the center line on the fixed base.

[0025] S4. Install the clamping seat on the fixed base, press the wind turbine anchor plate with the clamping seat to compress the space of the fluid closed cavity, and the lower end of the wind turbine anchor plate abuts against the detection seat and the anti-vibration seat.

[0026] S5. Obtain the values ​​of the pressure gauges on the test seat. All pressure gauge values ​​should be within the same range.

[0027] S6. Install the positioning seat on the fixed base so that the positioning seat abuts against the wind turbine anchor plate. The positioning sensors on the positioning seat work together to detect and complete the positioning of the wind turbine anchor plate.

[0028] Furthermore, the wind turbine anchor plate consists of two semi-ring plates. Each semi-ring plate includes 2-3 large plates and 1 small plate. The two semi-ring plates are connected together by a connecting plate, which is spot-welded to the semi-ring plate. The splicing of the two semi-ring plates forms the wind turbine anchor plate blank. The splicing point of the two semi-ring plates forms the wind turbine anchor plate welding and disassembly line. After the two semi-ring plates are spliced, the wind turbine anchor plate blank is surface-processed and chamfered to form the wind turbine anchor plate.

[0029] Compared with the prior art, the beneficial effects of this application are as follows:

[0030] 1. This application uses two semi-ring plates spliced ​​together to form a wind turbine anchor plate. The splice joint forms a welding disassembly line. By aligning the welding disassembly line with the center line on the fixed base, the wind turbine anchor plate is positioned and installed. The anti-vibration seat, detection seat, and clamping seat are used together. The anti-vibration seat supports the wind turbine anchor plate and achieves the purpose of anti-vibration. The detection seat detects whether the wind turbine anchor plate is level and achieves the purpose of drilling stability testing. The clamping seat presses the wind turbine anchor plate onto the anti-vibration seat and the detection seat to fix the wind turbine anchor plate.

[0031] 2. This application uses a positioning seat to locate the center of the wind turbine anchor plate. The position of the positioning seat is determined by the contact between the support column on the positioning seat and the wind turbine anchor plate. The support column is rotated to a fixed angle. After the adjacent positioning seats and the spaced positioning seats are rotated to a fixed angle, the positioning sensor on the support column can still receive the signal, thereby determining that the wind turbine anchor plate is completely aligned.

[0032] 3. The anti-vibration seat and detection seat of this application support the wind turbine anchor plate from the bottom end. The detection seat has a fluid closed cavity. The wooden blocks on the anti-vibration seat provide stable support for the wind turbine anchor plate. When the wind turbine anchor plate squeezes the fluid closed cavity in the detection seat, the fluid in the fluid closed cavity will generate pressure. By detecting the pressure of the detection seat at multiple positions, it is possible to determine whether the wind turbine anchor plate is level. Due to the characteristics of the wooden blocks themselves, the anti-vibration seat achieves the anti-vibration function. If the wind turbine anchor plate vibrates during drilling, the fluid in the fluid closed cavity will undergo pressure changes. By detecting the magnitude and range of pressure changes, the stability of the wind turbine anchor plate during processing can be determined.

[0033] 4. The detection seat, anti-vibration seat, and clamping seat of this application all have a connecting seat as a base. By changing different structures, a usable detection seat, anti-vibration seat, or clamping seat can be formed, which is low in cost and highly versatile.

[0034] 5. This application connects two semi-ring plates together by a connecting plate to form a welding and disassembly line. This not only assists in completing the centering function, but also allows the processed wind turbine anchor plate to be divided into two parts by removing the weld seam after the wind turbine anchor plate drilling is completed. The two half wind turbine anchor plates are placed together for convenient transportation. Attached Figure Description

[0035] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0036] Figure 1 This is a schematic diagram of the overall structure of this application;

[0037] Figure 2 This is a first schematic diagram of the wind turbine anchor plate alignment step in this application;

[0038] Figure 3 This is a second schematic diagram of the wind turbine anchor plate alignment step in this application;

[0039] Figure 4 This is a third schematic diagram of the wind turbine anchor plate alignment step in this application;

[0040] Figure 5 This is a structural schematic diagram of the carrier box and the fixed base of this application;

[0041] Figure 6 This is a schematic diagram of the wind turbine anchor plate assembly for this application;

[0042] Figure 7 This is a schematic diagram of the assembled wind turbine anchor plate according to this application;

[0043] Figure 8 This is a schematic diagram illustrating the fit between the wind turbine anchor plate and the connecting plate in this application;

[0044] Figure 9 This is a schematic diagram of the wind turbine anchor plate after drilling in this application;

[0045] Figure 10 for Figure 9 A diagram from another direction;

[0046] Figure 11 This is a schematic diagram of the assembly of the test socket in this application;

[0047] Figure 12 This is a schematic diagram of the overall structure of the testing seat in this application;

[0048] Figure 13 This is a schematic diagram of the assembly of the anti-vibration seat of this application;

[0049] Figure 14 This is a schematic diagram of the overall structure of the anti-vibration seat in this application;

[0050] Figure 15 This is a schematic diagram of the assembly of the clamping seat in this application;

[0051] Figure 16 This is a schematic diagram of the overall structure of the clamping seat in this application;

[0052] Figure 17 This is a schematic diagram of the assembly of the positioning base in this application;

[0053] Figure 18 This is a schematic diagram of the overall structure of the positioning seat in this application.

[0054] In the picture:

[0055] 1. Carrier box, 2. Fixed base, 3. Center line, 4. Protective plate, 5. Wind power anchor plate, 6. Through groove, 7. Large plate, 8. Small plate, 9. Connecting plate;

[0056] 10. Detection seat, 11. Connecting seat, 12. Locking bolt, 13. Connecting bolt, 14. Sealing sleeve, 15. Sealing head, 16. Pressure gauge, 17. Contact plate, 18. Connecting column, 19. Sealing ring;

[0057] 20. Anti-vibration seat; 21. Fixing sleeve; 22. Anti-vibration block;

[0058] 30. Clamping seat; 31. U-shaped plate; 32. Clamping bolt;

[0059] 40. Positioning seat; 41. Moving seat; 42. Angle sensor; 43. Connecting sleeve; 44. Bearing; 45. Pressure cap; 46. Support column; 47. Fixing plate; 48. Through-beam sensor; 49. Positioning bolt; 50. Moving wheel. Detailed Implementation

[0060] The present application will be further described below with reference to the accompanying drawings and embodiments.

[0061] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0062] In this application, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of the structural relationship between the various parts or elements of this application and do not specifically refer to any part or element in this application. They should not be construed as limiting this application.

[0063] Example 1

[0064] This embodiment describes an anti-vibration drilling device for wind turbine anchor plates 5. The background of drilling the wind turbine anchor plate 5 is explained below. The wind turbine anchor plate 5 is the base structure of a wind turbine generator, and it is relatively large, requiring numerous holes, including two rings of holes. Since the processing of the wind turbine anchor plate 5 takes place in a workshop, the drilling of large-sized wind turbine anchor plates 5 and their corresponding transportation are problems that need to be solved. Secondly, the centering of the large-sized wind turbine anchor plate 5 needs to be precise. To ensure that the waste generated by the wind turbine anchor plate 5 during drilling does not clog the fixed base 2, the through slots 6 for installing the tooling in the fixed base 2 are arranged in one direction, not in two or more directions. Furthermore, the fixed base 2 is close to the ground, making it impossible to use large centering tooling. This leads to difficulties in centering the large-sized wind turbine anchor plate 5. Additionally, due to the large size of the wind turbine anchor plate 5, if it vibrates during drilling, it can easily cause the drilling to deviate, rendering the entire wind turbine anchor plate 5 unusable.

[0065] This embodiment uses the dimensions of a conventional wind turbine anchor plate 5 as an example to describe the anti-vibration drilling device in detail. The wind turbine anchor plate 5 in this embodiment is a flat disc shape with a hollow ring in the center. The outer ring size of the wind turbine anchor plate 5 is 5140mm, and the inner ring size is 4164mm. The wind turbine anchor plate 5 has two rings of through holes. The concentric circle size corresponding to the first ring of through holes is 4476mm, and the concentric circle size corresponding to the second ring of through holes is 4828mm. The through hole size is 45mm, and there are a total of 116 through holes in each ring. The bolts used on the wind turbine are M42 or M43. As can be seen from the dimensions of the conventional wind turbine anchor plate 5, the size of the wind turbine anchor plate 5 is relatively large. The size difference between the bolts used on the wind turbine and the through holes on the wind turbine anchor plate 5 is small. Therefore, the alignment accuracy, drilling accuracy, and anti-vibration detection of the wind turbine anchor plate 5 are crucial to its production. In addition, the outer ring size of the wind turbine anchor plate 5 is relatively large, and it is difficult to transport the conventional wind turbine anchor plate 5 using a transport vehicle. This embodiment focuses on solving the above problems.

[0066] like Figures 1-18As shown, the device in this embodiment includes a carrier box 1, which is used in conjunction with a drilling machine. The drilling machine moves along the track to the corresponding drilling position. Since the drilling machine is a general-purpose device, it is obtained through procurement. This embodiment focuses on describing the device for bearing, supporting, and inspecting the wind turbine anchor plate 5. Specifically, the carrier box 1 includes a base plate and a side plate installed on the base plate. A protective plate 4 and a rib plate are installed on the side plate to strengthen the structure of the side plate and the connection strength between the side plate and the base plate. A fixed base 2 is fixedly installed on the base plate and is connected to the base plate by bolts. The fixed base 2 has several spaced through grooves 6. The direction of the through grooves 6 is one direction, so that the iron filings generated by drilling can move along the through grooves 6 under the action of the continuously sprayed lubricating fluid. Since there are no through grooves 6 in other directions, the iron filings cannot enter the through grooves 6 in other directions, making it easy to clean the iron filings.

[0067] As the core structure of this embodiment, the center of the fixed base 2 is arranged with a center line 3 that matches the welding and disassembly line of the wind turbine anchor plate 5. The center line 3 is parallel to the extension direction of the through groove 6. As a specific processing procedure, this embodiment first marks the fixed base 2 and then mills a center line 3 parallel to the through groove 6 on the fixed base 2 by means of a milling cutter or the like. Matching the center line 3 is the welding and disassembly line reserved on the wind turbine anchor plate 5, that is, the welding and disassembly line formed during the processing of the wind turbine anchor plate 5. In use, the welding and disassembly line is aligned with the center line 3.

[0068] As a core component, this embodiment includes a set of components that provide support, clamping, and detection functions. Multiple detection seats 10, anti-vibration seats 20, and clamping seats 30 are installed within the through groove 6. The detection seats 10 and anti-vibration seats 20 are positioned at the lower end of the wind turbine anchor plate 5 to support it and detect whether the anchor plate 5 is level, whether it vibrates, and the extent of vibration. The clamping seats 30 press down on the upper end of the wind turbine anchor plate 5, ensuring its stable pressure on the detection surface. During installation, the anti-vibration seat 20 is installed first. The height of the test seat 10 is adjusted according to the height of the anti-vibration seat 20 to adapt to the height of the anti-vibration seat 20. Then, the wind power anchor plate 5 is hoisted and placed on the test seat 10 and the anti-vibration seat 20. Finally, the clamping seat 30 is installed and pressed onto the wind power anchor plate 5 to ensure that the wind power anchor plate 5 is stably pressed onto the test seat 10 and the anti-vibration seat 20.

[0069] In this embodiment, the installation positions of the detection seat 10, the anti-vibration seat 20, and the clamping seat 30 are determined by drawing drawings. The detection seat 10, the anti-vibration seat 20, and the clamping seat 30 are mainly used to support and clamp the edge of the wind turbine anchor plate 5, thereby avoiding the drilling position.

[0070] In one implementation scheme, the detection seat 10 includes a connecting seat 11, on which a locking bolt 12 is screwed. The connecting seat 11 is I-shaped and arranged in a through groove 6. The locking bolt 12 fixes the connecting seat 11 to the fixed base 2. The detection seat 10 has a fluid-sealed cavity. Specifically, the detection seat 10 includes a sealing sleeve 14, in which a connecting post 18 is installed, making the connecting post 18 and the sealing sleeve 14 sealed together. In this embodiment, a sealing ring 19 is used to achieve the sealing connection. The lower end face of the connecting post 18 and the sealing sleeve 14 form a fluid-sealed cavity, which is filled with fluid. A sealing head 15 for filling the fluid-sealed cavity is installed on the sealing sleeve 14. A contact plate 17 is installed on the upper end of the connecting post 18, and the contact plate 17 abuts against the lower end face of the wind turbine anchor plate 5. In a more specific implementation scheme, the contact plate 17... 7 is connected to the connecting column 18 via ribs to strengthen the structural strength of the connection. In this embodiment, the fluid used is air, hydraulic oil, etc. The fluid closed cavity is connected to the pressure gauge 16. The fluctuation amplitude of the connecting column 18 on the detection seat 10 is detected according to the data of the pressure gauge 16. If the pressure value exceeds the corresponding threshold, it is determined that the wind power anchor plate 5 is vibrating more severely. A sealing head 15 is installed on the sealing sleeve 14. The sealing head 15 is opened to replenish the fluid in the fluid closed cavity or to extract the fluid in the fluid closed cavity. As a mating structure, a screw hole is opened in the center of the connecting seat 11. The lower end of the sealing sleeve 14 has a connecting bolt 13. The connecting bolt 13 is screwed into the screw hole in the center of the connecting seat 11. In this embodiment, a lock nut can also be installed on the connecting bolt 13. The lock nut abuts against the upper end face of the connecting seat 11, so that the sealing sleeve 14 is stably fixed on the connecting seat 11.

[0071] As one implementation scheme, the anti-vibration seat 20 includes a connecting seat 11, on which a locking bolt 12 is screwed. The connecting seat 11 is in the shape of an "I" and is arranged in a through groove 6. The locking bolt 12 fixes the connecting seat 11 in the through groove 6 of the fixed base 2. The anti-vibration seat 20 is provided with an anti-vibration block 22. As a specific implementation scheme, the anti-vibration seat 20 includes a fixing sleeve 21, on which the anti-vibration block 22 is installed. For example, in this embodiment, the anti-vibration block 22 is a wooden block. The texture of the wooden block is parallel to the central axis of the fixing sleeve 21, that is, the wooden block has a corresponding texture. This texture is generally arranged perpendicular to the annual ring layer of the tree. As a mating structure, the lower end of the fixing sleeve 21 has a connecting bolt 13. The connecting bolt 13 is screwed into the screw hole in the center of the connecting seat 11. In this embodiment, a locking nut can also be installed on the connecting bolt 13. The locking nut abuts against the upper end face of the connecting seat 11, so that the fixing sleeve 21 is stably fixed on the connecting seat 11.

[0072] In terms of quantity, the ratio of the number of detection seats 10 to the number of anti-vibration seats 20 is 1:2 to 1:5. The detection seats 10 are arranged between the anti-vibration seats 20. For example, there are 8 detection seats 10 and 24 anti-vibration seats 20.

[0073] As one implementation scheme, the clamping seat 30 includes a connecting seat 11, on which a locking bolt 12 is screwed. The connecting seat 11 is I-shaped and arranged in the through groove 6. The locking bolt 12 fixes the connecting seat 11 to the fixed base 2. As a specific implementation scheme, the clamping seat 30 includes a U-shaped plate 31, on which a clamping bolt 32 is screwed. For example, in this embodiment, there are two clamping bolts 32. The wind turbine anchor plate 5 is arranged inside the U-shaped plate 31. The bottom end of the clamping bolt 32 abuts against the upper end of the wind turbine anchor plate 5, and the clamping bolt 32 presses the wind turbine anchor plate 5 down. As a mating structure, the lower end of the U-shaped plate 31 has a connecting bolt 13, which is screwed onto the screw hole in the center of the connecting seat 11. In this embodiment, a locking nut can also be installed on the connecting bolt 13. The locking nut abuts against the upper end face of the connecting seat 11, so that the U-shaped plate 31 is stably fixed on the connecting seat 11.

[0074] In this embodiment, the detection seat 10, anti-vibration seat 20, and clamping seat 30 all adopt the same bottom structure, making them universal. Different accessories can be replaced according to different needs. For example, if there is a need for clamping in some positions, a U-shaped plate 31 and related components are installed on the connecting seat 11. If there is a need for detection in some positions, a sealing sleeve 14 and related components are installed on the connecting seat 11. If there is a need for anti-vibration in some positions, a fixing sleeve 21 and related components are installed on the connecting seat 11. In this embodiment, according to the position drawn in the drawings, the connecting seat 11 is first installed in the through groove 6 of the fixed base 2, and then the corresponding accessories are installed.

[0075] As a core structure, this application has at least one pair of positioning seats 40 installed on the fixed base 2. The positioning seats 40 are equipped with mutually cooperating positioning sensors. For example, in this embodiment, there are 4 positioning seats 40, totaling 2 pairs. As a specific implementation structure, the positioning seats 40 in this embodiment need to solve the problem of self-positioning and mutual cooperation to complete the complete centering operation of the wind power anchor plate 5. Therefore, the positioning seat 40 in this embodiment includes a movable seat 41. The movable seat 41 has a connecting sleeve 43. An angle sensor 42 is installed on the movable seat 41. The angle sensor 42 is arranged inside the connecting sleeve 43. The lower end of the support column 46 is connected to the output shaft of the angle sensor 42. Whenever the support column 46 rotates, the output shaft of the angle sensor 42 rotates accordingly, thereby detecting the corresponding angle. Specifically, this embodiment needs to use a high-precision angle sensor 42. Furthermore, some angle sensors 42 can be used as power input parts, and the angle sensors 42 drive the support column 46 to rotate.

[0076] As a cooperating structure for the support column 46, this embodiment has a bearing 44 installed inside the connecting sleeve 43. The bearing 44 is a double-direction thrust angular contact ball bearing. A pressure cap 45 is installed on the upper end of the connecting sleeve 43, and the lower end of the pressure cap 45 abuts against the bearing 44, pressing the bearing 44 in place. The support column 46 is arranged on the inner circumference of the bearing 44. A fixing plate 47 is installed on the upper end of the support column 46. The fixing plate 47 is fixed to the upper end face of the support column 46 by bolts. A positioning sensor is arranged on the fixing plate 47. The positioning sensor in this embodiment... A through-beam sensor 48 is used. The connecting wires used by sensors such as the positioning sensor, pressure gauge 16, and angle sensor 42 pass under the wind turbine anchor plate 5 to avoid interfering with the drilling operation. For example, the connecting wires are arranged along the through groove 6. In this embodiment, a positioning bolt 49 is screwed onto the connecting sleeve 43. By rotating the positioning bolt 49, the positioning bolt 49 contacts the support column 46, locking the support column 46 and preventing the support column 46 from rotating. When the support column 46 needs to rotate, the positioning bolt 49 can be loosened.

[0077] As a specific structure of the movable seat 41, in this embodiment, movable wheels 50 are installed on the movable seat 41 as auxiliary wheels to assist the movable seat 41 in moving within the through groove 6. Specifically, the movable seat 41 includes a "T"-shaped movable bracket. Movable wheels 50 are installed at the lower end of the top plate of the movable bracket, and two symmetrically arranged movable wheels 50 are installed on the vertical plate of the movable bracket. The movable wheel 50 at the lower end of the top plate abuts against the upper end surface of the fixed base 2, and the movable wheel 50 on the vertical plate abuts against the solid surface at the bottom end of the through groove 6. In addition, in this embodiment, an adjustment plate can also be installed on the vertical plate, and a horizontally arranged movable wheel 50 is installed on the adjustment plate. The movable wheel 50 abuts against the solid surface of the side of the through groove 6. The movable wheel 50 is adjustable, thereby enabling the movable seat 41 to move along the through groove 6 and to position the movable seat 41 at the center of the through groove 6.

[0078] like Figures 2-4As shown, in one implementation scheme, the positioning seats 40 can be installed symmetrically along the center line 3. Adjacent positioning seats 40 are arranged symmetrically about the center line 3 or the center line of the wind turbine anchor plate 5. The rotation angles of adjacent positioning seats 40 are consistent. The center line of the wind turbine anchor plate 5 refers to the two lines corresponding to the center of the wind turbine anchor plate 5, one of which coincides with the wind turbine anchor plate 5, and the other is perpendicular to the wind turbine anchor plate 5 and parallel to the fixed base 2. In a second implementation scheme, the positioning seats 40 are not installed symmetrically along the center line 3, and there are two pairs. For example, the positioning seat 40 on the left is installed on the third through groove 6, and the positioning seat 40 on the right is installed on the third through groove 6. The positioning seat 40 is installed on the fourth through groove 6. The rotation angle of the support column 46 of the positioning seat 40 is drawn and calculated through drawings. With the cooperation of the positioning sensor, the centering and positioning of the wind power anchor plate 5 is realized. When diagonal positioning is used, the second implementation scheme is preferred, that is, the positioning seats 40 arranged on both sides of the centering center line 3 are arranged in an asymmetrical manner. Diagonal positioning means that the positioning seats 40 are not adjacent to each other and are positioned together. The axis refers to the central axis of the wind power anchor plate 5. Asymmetry means that the position of the through groove 6 corresponding to the positioning seat 40 on one side of the centering center line 3 is not asymmetrical with respect to the centering center line 3.

[0079] Example 2

[0080] This embodiment is a vibration-resistant drilling method for wind turbine anchor plates. The steps include drilling the wind turbine anchor plate 5. Before drilling, the method includes assembling and preliminary processing of the wind turbine anchor plate 5. After drilling, the method includes disassembling and transporting the wind turbine anchor plate 5. In other words, it includes the key steps from the start of material preparation of the wind turbine anchor plate 5 to its transport out of the factory.

[0081] A method for anti-vibration drilling of wind turbine anchor plates, wherein the drilling step is based on an anti-vibration drilling device for wind turbine anchor plates as described in Example 1, and the drilling operation includes the following steps:

[0082] S1. Based on the dimensions of the wind turbine anchor plate 5, install the detection seat 10 and the anti-vibration seat 20 at the fixed position of the fixed base 2;

[0083] S2. Adjust the space of the fluid-sealed cavity inside the detection seat 10 so that the top of the detection seat 10 is higher than the top of the anti-vibration seat 20.

[0084] S3. Move the wind turbine anchor plate 5. The wind turbine anchor plate 5 presses on the upper end of the test seat 10 so that the welding and disassembly lines on the wind turbine anchor plate 5 are aligned with the center line 3 on the fixed base 2.

[0085] S4. Install the clamping seat 30 on the fixed base 2, and press the wind power anchor plate 5 with the clamping seat 30 to compress the space of the fluid closed cavity. The lower end of the wind power anchor plate 5 abuts against the detection seat 10 and the anti-vibration seat 20.

[0086] S5. Obtain the value of the pressure gauge 16 on the detection seat 10. The values ​​of all pressure gauges 16 are within the same value range.

[0087] S6. Install the positioning seat 40 on the fixed base 2 so that the positioning seat 40 abuts against the wind power anchor plate 5. The positioning sensors on the positioning seat 40 cooperate to detect and complete the positioning of the wind power anchor plate 5.

[0088] As a specific implementation plan, in step S1, the dimensions of the wind turbine anchor plate 5, including the outer ring, inner ring, number of holes, hole diameter, thickness, etc., are all customized by the customer. In this embodiment, the structure and dimensions of the fixed base 2 are fixed. Therefore, the structure of the wind turbine anchor plate 5 is drawn on the drawing, the installation positions of the detection seat 10, the anti-vibration seat 20 and the clamping seat 30 are determined, and the connecting seat 11 is fixed in advance on the through groove 6 of the fixed base 2 according to the dimension markings on the fixed base 2.

[0089] In step S2, the method for adjusting the space of the fluid-sealed cavity inside the detection seat 10 is as follows: a certain amount of fluid is filled into the fluid-sealed cavity through the sealing head 15. The amount of fluid is determined by the parameters of the wind power anchor plate 5. The top of the detection seat 10 is slightly higher than the top of the anti-vibration seat 20. The wind power anchor plate 5 squeezes the detection seat 10 so that the two reach the same horizontal plane.

[0090] In step S3, the wind turbine anchor plate 5 is hoisted using multiple hoisting ropes. During hoisting, it is first hoisted above the fixed base 2, and then slowly lowered so that the welding and disassembly lines on the wind turbine anchor plate 5 are aligned with the center line 3 on the fixed base 2.

[0091] In step S4, the U-shaped plate 31 of the clamping seat 30 is installed on the connecting seat 11 to form the clamping seat 30. Therefore, after the wind power anchor plate 5 is placed, the top of the detection seat 10 is flush with the top of the anti-vibration seat 20. At this time, observe the value of the pressure gauge 16. If the value of the pressure gauge 16 at a certain position is outside the threshold range, then adjust or replace the anti-vibration block 22 of the anti-vibration seat 20, or adjust the fluid volume in the fluid closed cavity of the detection seat 10 to meet the conditions in step S5. Then it can be determined that the wind power anchor plate 5 is installed in place.

[0092] In step S6, when the positioning seat 40 is installed, the support column 46 is cylindrical, and the inner ring of the wind turbine anchor plate 5 is also arc-shaped. Therefore, the outer circumference of the support column 46 abuts against the inner ring of the wind turbine anchor plate 5, and the contact position is line contact. The rotation of the support column 46 can be driven by a specific type of angle sensor 42, or the support column 46 can be rotated by a motor. For example, the motor is installed on the side of the connecting sleeve 43, and an external gear is installed on the outer circumference of the support column 46. The motor drives the support column 46 to rotate through the gear on the output shaft. The gear on the output shaft of the motor and the external gear on the support column 46 cooperate to form a reduction structure. The motor can also be a stepper motor. As another implementation scheme, this embodiment can adopt a manual rotation scheme for the support column 46, rotating the corresponding angle according to the angle scale markings on the connecting sleeve 43.

[0093] When using the positioning seat 40, if adjacent positioning seats 40 need to cooperate, the positioning seat 40 is arranged in the symmetrical through grooves 6 on both sides of the center line 3, such as in the third or fourth through groove 6. When diagonal or non-adjacent positioning seats 40 need to cooperate, the positioning seat 40 is arranged in the asymmetrical through grooves 6 on both sides of the center line 3, such as the left positioning seat 40 being arranged in the third through groove 6 and the right positioning seat 40 being arranged in the fourth through groove 6.

[0094] From the formation of wind turbine anchor plate 5, as... Figures 6-10 As shown, the wind turbine anchor plate 5 consists of two semi-ring plates. Each semi-ring plate includes 2-3 large plates 7 and 1 small plate 8. For example, in this embodiment, each semi-ring plate includes 3 large plates 7 with larger corresponding central angles and 1 small plate 8 with smaller corresponding central angles. The small plate 8 is mainly used to supplement the remaining arc plate after the large plates 7 are assembled. During processing, the steel plate is cut by a laser cutting machine, flattened and the residual stress in the plate is eliminated, and a welding bevel is reserved. The two semi-ring plates are connected together by a connecting plate 9. The connecting plate 9 is spot welded to the semi-ring plate, which also facilitates the removal of the weld and the connecting plate 9 after drilling. The splicing of the two semi-ring plates forms the blank plate of the wind turbine anchor plate 5. The splicing point of the two semi-ring plates forms the welding and disassembly line of the wind turbine anchor plate 5. After the two semi-ring plates are spliced, the blank plate of the wind turbine anchor plate 5 is surface processed and chamfered to form the wind turbine anchor plate 5. The processed surfaces include the upper plane, the lower plane and the side plane, and its dimensional parameters are detected.

[0095] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

[0096] While the specific embodiments of this application have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of this application. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solutions of this application are still within the scope of protection of this application.

Claims

1. A vibration-resistant drilling device for wind turbine anchor plates, comprising a fixed base, wherein the fixed base is provided with a plurality of spaced through slots, characterized in that: The center of the fixed base is arranged with a center line that matches the welding and disassembly line of the wind turbine anchor plate. The center line is parallel to the extension direction of the through groove. The through groove is provided with a detection seat, an anti-vibration seat, and a pressing seat. The detection seat and the anti-vibration seat are arranged at the lower end of the wind turbine anchor plate to support the wind turbine anchor plate, and the pressing seat presses down from the upper end of the wind turbine anchor plate. The detection seat is provided with a fluid closed chamber, and the fluid closed chamber is connected to a pressure gauge; The anti-vibration seat is equipped with anti-vibration blocks; The fixed base is provided with at least one pair of positioning seats, and the positioning seats are provided with positioning sensors that cooperate with each other. The detection seat, anti-vibration seat, and clamping seat all include a connecting seat, and the connecting seat is provided with a locking bolt. The connecting seat is in the shape of an "I" and is arranged in a through groove. The locking bolt fixes the connecting seat to the fixed base. The detection seat includes a sealing sleeve, a connecting column is provided inside the sealing sleeve, the lower end face of the connecting column and the sealing sleeve form a fluid closed cavity, the fluid closed cavity is filled with fluid, and a sealing head is provided on the sealing sleeve for filling the fluid closed cavity with fluid; The upper end of the connecting column is provided with a contact plate, which abuts against the lower end face of the wind turbine anchor plate. The number of positioning seats is at least two pairs. The diagonally arranged positioning seats are non-axially symmetrical about the central axis of the wind turbine anchor plate, and the adjacent positioning seats are symmetrical about the center line or the center line of the wind turbine anchor plate. The positioning seat includes a movable seat, a connecting sleeve is provided on the movable seat, an angle sensor is provided on the movable seat, the angle sensor is arranged inside the connecting sleeve, a bearing is provided inside the connecting sleeve, a pressure cap is provided at the upper end of the connecting sleeve, and the lower end of the pressure cap abuts against the bearing. The bearing has a support column on its inner circumference, and a fixing plate is provided at the upper end of the support column. The positioning sensor is arranged on the fixing plate.

2. The anti-vibration drilling device for wind turbine anchor plates as described in claim 1, characterized in that: The ratio of the number of detection seats to the number of anti-vibration seats is 1:2 to 1:5, and the detection seats are arranged between the anti-vibration seats.

3. The anti-vibration drilling device for wind turbine anchor plates as described in claim 1, characterized in that: The anti-vibration seat includes a fixed sleeve, on which an anti-vibration block is provided.

4. The anti-vibration drilling device for wind turbine anchor plates as described in claim 3, characterized in that: The anti-vibration block is a wooden block, and the grain of the wooden block is parallel to the central axis of the fixing sleeve.

5. A method for anti-vibration drilling for wind turbine anchor plates, characterized in that: The anti-vibration drilling device for wind turbine anchor plates as described in claim 1 includes the following steps: S1. According to the size of the wind turbine anchor plate, install the detection seat and anti-vibration seat in the fixed position of the fixed base; S2. Adjust the space of the fluid-sealed cavity inside the detection seat so that the top of the detection seat is higher than the top of the anti-vibration seat; S3. Move the wind turbine anchor plate and press the wind turbine anchor plate on the upper end of the test seat so that the welding and disassembly lines on the wind turbine anchor plate are aligned with the center line on the fixed base. S4. Install the clamping seat on the fixed base, press the wind turbine anchor plate with the clamping seat to compress the space of the fluid closed cavity, and the lower end of the wind turbine anchor plate abuts against the detection seat and the anti-vibration seat. S5. Obtain the values ​​of the pressure gauges on the test seat. All pressure gauge values ​​should be within the same range. S6. Install the positioning seat on the fixed base so that the positioning seat abuts against the wind turbine anchor plate. The positioning sensors on the positioning seat work together to detect and complete the positioning of the wind turbine anchor plate.

6. The anti-vibration drilling method for wind turbine anchor plates as described in claim 5, characterized in that: The wind turbine anchor plate consists of two semi-ring plates. Each semi-ring plate includes 2-3 large plates and 1 small plate. The two semi-ring plates are connected together by a connecting plate. The connecting plate is spot-welded to the semi-ring plate. The splicing of the two semi-ring plates forms the wind turbine anchor plate blank. The splicing of the two semi-ring plates forms the wind turbine anchor plate welding and disassembly line. After the two semi-ring plates are spliced ​​together, the wind turbine anchor plate blank is surface processed and chamfered to form the wind turbine anchor plate.

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