Wind power foundation damping energy dissipation device and construction process method thereof

Abstract

The application discloses a wind power foundation damping and energy consumption device and a construction process thereof, which comprises a fixed cylinder and an adjusting plate arranged in sliding mode, and an elastic connecting column is arranged in extrusion mode between the adjusting plate and a wind turbine pile, and the adjusting plate is provided in cooperation with an internal thread cylinder, a threaded rotating rod and a driving motor, the bottom of the fixed cylinder is communicated with a blower, and an air outlet groove with a driving groove and a socket groove is connected to the inner bottom wall of the fixed cylinder, an electromagnet and a sliding push plate with an air isolation baffle are arranged in the driving groove, and the blower and the electromagnet are connected with a signal switch, a touch switch is installed on the air isolation baffle, and the touch switch is electrically connected with a power supply and an electric heating element through wires, the elastic coefficient of the elastic connecting column is adjusted, the problem that the damping and energy consumption device cannot be adjusted in the prior art is solved, and the cooperation of the signal switch, the blower and other mechanisms can dry and remove the rainwater and dust adhered on the wind turbine pile, the rubber cushion layer and the fixed cylinder.

Description

Technical Field

[0001] This invention relates to the field of structural engineering vibration reduction and energy dissipation technology, specifically to a wind power foundation vibration reduction and energy dissipation device and its construction process. Background Technology

[0002] Wind power generation is a rapidly developing new energy source in my country in recent years. The main body of the equipment uses a steel cylinder, with a reinforced concrete spread foundation underneath. This type of foundation is characterized by its simple construction and low engineering cost, making it one of the most common foundation types. Currently, the design of this type of foundation is based on design specifications compiled with reference to the relevant theories and technical requirements of tower building foundations. However, due to the significant differences between the structural form and load characteristics of wind turbines and traditional tower buildings, it has been found in practical applications that after a period of use, cracks appear at the contact surface between the steel cylinder and the concrete. As the wind turbine continues to operate, these cracks widen, causing significant swaying of the upper cylinder. This results in the concrete inside the foundation being crushed by the steel cylinder, affecting the normal operation of the wind turbine.

[0003] In the prior art, a wind power foundation vibration damping and energy dissipation device and its construction process method disclosed in CN106223359B includes an external vibration damping and energy dissipation rubber ring embedded between the top area of ​​the concrete foundation and the outer wall of the wind turbine casing. An externally embedded steel ring is pre-embedded between the external vibration damping and energy dissipation rubber ring and the top area of ​​the concrete foundation. A rubber waterstop is set between the external vibration damping and energy dissipation rubber ring and the outer wall of the wind turbine casing. The setting of the external vibration damping and energy dissipation rubber ring achieves the effect of vibration damping and energy dissipation, avoids damage to the wind power concrete foundation, and isolates external rainwater through the rubber waterstop, further extending the service life of the wind power concrete foundation.

[0004] However, existing technologies still have significant drawbacks. For example, the shear force exerted by the wind turbine casing on the wind power concrete foundation varies with external influencing factors (such as wind strength), and the rubber ring cannot adjust its own elastic coefficient. This can easily lead to problems such as the rubber ring having too little resistance, causing the wind turbine casing to shift significantly and collide with and damage the wind power concrete foundation, or the rubber ring having too much resistance, causing the wind turbine casing to vibrate and fail to effectively dissipate energy. In addition, the wind turbine casing shifting to one side and pressing on the rubber ring will create a gap between the two. The rubber waterstop cannot completely prevent external dust and rainwater from falling into the wind power concrete foundation through the gap. The accumulation of dust and rainwater inside the wind power concrete foundation can easily cause corrosion and reduce the service life of the wind power concrete foundation. Summary of the Invention

[0005] The purpose of this invention is to provide a wind power foundation vibration damping and energy dissipation device and its construction process, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A wind power foundation vibration damping and energy dissipation device includes a wind turbine pile inserted into a fixed cylinder, and a rubber pad layer is filled between the wind turbine pile and the inner side wall of the fixed cylinder. Several adjusting plates are provided on the outside of the fixed cylinder and are slidably arranged in the direction close to the fixed cylinder. Several elastic connecting columns passing through the fixed cylinder and pressing against the side wall of the wind turbine pile are fixedly connected to the adjusting plates. An internally threaded cylinder extending in the direction away from the fixed cylinder is fixedly connected to the adjusting plates, and a threaded rotating rod driven by a drive motor extends out of the internally threaded cylinder.

[0008] The bottom wall of the fixed cylinder is connected to one end of the air supply pipe, and the other end of the air supply pipe is installed on the air supply end of the blower. The bottom wall of the fixed cylinder is connected to an air outlet groove that runs through the side wall of the fixed cylinder. The two opposite inner walls of the air outlet groove are respectively connected to a drive groove and an insertion groove. A sliding push plate is slidably arranged in the drive groove along the direction close to the air outlet groove. An air-blocking baffle is fixedly connected to the end face of the sliding push plate close to the air outlet groove. An elastic support rod is connected between the sliding push plate and the inner wall of the drive groove. An electromagnet is provided in the drive groove to drive the sliding push plate to slide towards the air outlet groove. A signal switch that is pressed and cooperated with the adjustment plate is provided on the outer wall of the fixed cylinder. The signal switch controls the blower to blow air and the electromagnet to delay energization.

[0009] A pressure switch is installed at one end of the air-tight baffle near the slot, and the pressure switch is electrically connected to the power supply and the electric heating element through a wire. The electric heating element is embedded in the inner wall of the air-tight baffle near the wind turbine pile.

[0010] Preferably, the wind turbine pile sidewall is fixedly connected with a first guide rod that slides through the fixed cylinder, the adjusting plate and the elastic connecting column.

[0011] Preferably, the first guide rod is a screw rod with an external thread structure, and the outer wall of the wind turbine pile is inlaid with a threaded insert for the first guide rod to be rotated and inserted.

[0012] Preferably, the insertion slot and the driving slot are arranged vertically, with the driving slot opening at the lower end of the fixed cylinder. The elastic support rod is fixedly connected between the inner top wall of the driving slot and the sliding push plate. The inner top wall of the driving slot is fixedly connected with a downwardly extending second guide rod, which slides downward through the elastic support rod and the sliding push plate in sequence. The electromagnet is fixedly arranged below the sliding push plate, and a magnetic plate that repels the electromagnet's magnetism is fixedly connected to the lower end face of the sliding push plate.

[0013] Preferably, the multiple adjusting plates on the outside of the fixed cylinder are evenly distributed in a circumferential direction on the outside of the fixed cylinder, and each adjusting plate is fixedly connected to several elastic connecting columns that are squeezed and cooperate with the wind turbine pile.

[0014] Preferably, the rubber pad is fixedly connected to the inner wall of the fixed cylinder by reinforcing screws, and the rubber pad has a through groove for the elastic connecting column to pass through.

[0015] Preferably, a mounting base is provided below the fixing cylinder, and a first fixing plate is fixedly connected to the outer wall of the fixing cylinder, and the first fixing plate and the mounting base are fixedly connected by reinforcing bolts.

[0016] Preferably, the drive motor is fixedly connected to a downwardly extending connecting rod, and a second fixing plate is fixedly connected to the lower end of the connecting rod, and the second fixing plate is also fixedly connected to the mounting base by reinforcing bolts.

[0017] Preferably, the drive groove is connected to an opening groove that opens on the outer wall of the fixed cylinder.

[0018] A construction process for the aforementioned wind power foundation vibration damping and energy dissipation device includes the following steps:

[0019] A. When casting the fixed cylinder, insert the air supply pipe and drill out the air outlet groove, drive groove, socket groove and multiple through holes for the flexible connecting column to pass through using a drilling device.

[0020] B. Install one end of the air supply pipe extending out of the fixed cylinder on the air supply end of the blower, and install a sliding push plate, elastic support rod, electromagnet and air baffle in the drive groove, and install a signal switch on the outer wall of the fixed cylinder.

[0021] C. Fix the rubber pad to the inner wall of the fixed cylinder, and set multiple adjusting plates on the outside of the fixed cylinder. Install the internal threaded cylinder, threaded rotating rod and drive motor on the adjusting plates.

[0022] D. Insert the wind turbine pile into the fixed cylinder and fix the elastic connecting column on the adjusting plate. Pass the end of the elastic connecting column away from the adjusting plate through the fixed cylinder and press it onto the wind turbine pile.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] The wind turbine foundation vibration damping and energy dissipation device and its construction process of the present invention adjust the elastic coefficient of the elastic connecting column by changing the position of the adjusting plate through the coordinated arrangement of the internal threaded cylinder, threaded rotating rod and drive motor, so as to adapt to the constantly changing shear force load of the wind turbine pile. This solves the problem that the vibration damping and energy dissipation device in the prior art cannot be adjusted. Furthermore, through the coordinated arrangement of signal switch, blower, electromagnet, air baffle and electric heating element, the dust and rainwater accumulated at the bottom of the fixed cylinder are first removed, and then the rainwater and dust adhering to the outer wall of the wind turbine pile, the rubber pad layer and the inner wall of the fixed cylinder are dried and removed, thus extending the service life of the fixed cylinder and its internal components. Attached Figure Description

[0025] Figure 1 This is a top view of the overall structure of the present invention;

[0026] Figure 2 This is a frontal cross-sectional view of the overall structure of the present invention;

[0027] Figure 3 This is a schematic diagram of the sliding compression elastic connecting column of the adjusting plate in this invention;

[0028] Figure 4 This is a schematic diagram of the adjusting plate sliding to the pressure signal switch in this invention;

[0029] Figure 5 This is a schematic diagram of the fixed cylinder and its connection structure in this invention;

[0030] Figure 6 This is a schematic diagram showing that the air-insulating baffle does not block the air outlet slot in this invention;

[0031] Figure 7 This is a schematic diagram of the air-blocking baffle blocking the air outlet slot in the present invention;

[0032] Figure 8 This is an enlarged schematic diagram of the internal structure of the air-barrier baffle in this invention.

[0033] In the diagram: 1. Fan pile, 2. Fixed cylinder, 201. Air outlet slot, 202. Drive slot, 203. Insert slot, 204. Opening slot, 3. Rubber pad, 4. Adjusting plate, 5. Elastic connecting column, 6. Internal threaded cylinder, 7. Threaded rotating rod, 8. Drive motor, 9. Air supply pipe, 10. Blower, 11. Sliding push plate, 12. Elastic support rod, 13. Electromagnet, 14. Air baffle, 15. Touch switch, 16. Wire, 17. Power supply, 18. Electric heating element, 19. Signal switch, 20. First guide rod, 21. Threaded insert, 22. Second guide rod, 23. Magnetic plate, 24. Mounting base, 25. First fixing plate, 26. Connecting rod, 27. Second fixing plate. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figure 1-8 The present invention provides a technical solution:

[0036] Example 1:

[0037] A wind turbine foundation vibration damping and energy dissipation device includes a fixed cylinder 2, which is cast from concrete and has an open top. A wind turbine pile 1 is inserted downwards into the fixed cylinder 2 for clamping and fixing. A rubber pad 3 is filled between the wind turbine pile 1 and the inner wall of the fixed cylinder 2. When the wind turbine pile 1 shifts relative to the fixed cylinder 2, the rubber pad 3 undergoes elastic deformation under the pressure of the wind turbine pile 1, providing cushioning and thus achieving vibration damping and energy dissipation for the wind turbine pile 1. The rubber pad 3 is fixedly connected to the inner wall of the fixed cylinder 2 by reinforcing screws to prevent the wind turbine pile 1 from pressing downwards on the rubber pad 3 during insertion into the fixed cylinder 2, which could cause the rubber pad 3 to slide or misalign. Four sliding joints are provided on the outer side of the fixed cylinder 2 along the direction close to the fixed cylinder 2. The adjustable plates 4 are arranged in a circumferential manner on the outside of the fixed cylinder 2. Each adjustable plate 4 is fixedly connected to a number of elastic connecting columns 5 arranged vertically and vertically near the end face of the fixed cylinder 2. The elastic connecting columns 5 extend through the fixed cylinder 2 and press against the side wall of the wind turbine pile 1 in the direction close to the wind turbine pile 1. The rubber pad layer 3 has a through groove for the elastic connecting columns 5 to slide through. The elastic connecting columns 5 achieve the effect of shock absorption and energy dissipation by cooperating with the damping device. The elastic mechanism with damping device is common knowledge in the field of shock absorption technology and will not be described in detail here. The setting of the elastic connecting columns 5 further improves the shock absorption and energy dissipation effect on the wind turbine pile 1, thereby further slowing down the damage rate of the wind turbine pile 1 to the fixed cylinder 2 and extending the service life of the fixed cylinder 2.

[0038] An internally threaded cylinder 6 extending away from the fixed cylinder 2 is fixedly connected to the adjusting plate 4. A threaded rotating rod 7 driven by the drive motor 8 extends from the internally threaded cylinder 6. The self-locking effect of the threads between the internally threaded cylinder 6 and the threaded rotating rod 7 ensures that the adjusting plate 4 remains stable after the movement stops. When strong winds occur, the shear force exerted on the fixed cylinder 2 by the wind turbine pile 1 increases under the influence of wind force. The reaction force exerted on the wind turbine pile 1 by the rubber pad layer 3 and the elastic connecting column 5 is too small, which may cause the wind turbine pile 1 to shift significantly and collide with the fixed cylinder 2. At this time, the drive motor 8 starts and drives the threaded rotating rod 7 to rotate in the forward direction. However, the internally threaded cylinder 6 cannot rotate with the threaded rotating rod 7 due to the restriction of the adjusting plate 4. Through the threaded engagement between the threaded rotating rod 7 and the internally threaded cylinder 6, the internally threaded cylinder 6 moves closer to the wind turbine pile 1. The adjusting plate 4 slides towards the wind turbine pile 1 along with the internal threaded cylinder 6, pressing the elastic connecting column 5. The elastic connecting column 5 is compressed and its elastic coefficient increases, thereby resisting the large-scale displacement of the wind turbine pile 1 and avoiding the problem of the wind turbine pile 1 impacting the fixed cylinder 2 due to large-scale displacement. Similarly, when the strong wind outside begins to decrease, the shear force applied by the wind turbine pile 1 to the fixed cylinder 2 decreases, the drive motor 8 starts and drives the threaded rotating rod 7 to rotate in the opposite direction, causing the adjusting plate 4 to slide away from the wind turbine pile 1. The elastic connecting column 5 resets under its own elasticity and reduces its own elastic coefficient, making it easier for the wind turbine pile 1 to undergo small-scale displacement and squeeze the rubber pad layer 3 and the elastic connecting column 5 to consume energy. This prevents the problem that the elastic coefficient of the elastic connecting column 5 is too large, causing the wind turbine pile 1 to vibrate during the displacement and compression process and making it difficult to consume energy quickly and effectively. The drive motor 8 can be remotely controlled by the staff to observe the wind force, or the drive motor 8 can be equipped with a wind pressure sensor to detect the external wind force, and the drive motor 8 can start automatically according to the signal observed by the wind pressure sensor.

[0039] A signal switch 19 is installed on the left outer wall of the fixed cylinder 2, which is pressed against the adjusting plate 4. The signal switch 19 has a built-in pressure sensor and a wireless signal transmitter. When the pressure sensor is pressed by an external force, the wireless signal transmitter emits a signal, and when the pressure is removed, the wireless signal transmitter stops emitting a signal. The adjusting plate 4 on the left slides towards the fixed cylinder 2 under the action of the internal threaded cylinder 6 and the threaded rotating rod 7 until the adjusting plate 4 slides to the signal switch 19 and presses the signal switch 19. At this point, the signal switch 19 emits a signal. The left end of the inner bottom wall of the fixed cylinder 2 is connected to one end of the air supply pipe 9, and the other end of the air supply pipe 9 extends out of the fixed cylinder 2 and is installed on the air supply end of the blower 10. The blower 10 has its own power supply and is equipped with a receiver for the wireless signal transmitter. The signal receiving and processing device 1 causes the blower 10 to blow air into the air supply pipe 9 when it receives a signal, and stops blowing air when it does not receive a signal. The right end of the bottom wall of the fixed cylinder 2 is connected to an air outlet groove 201 that runs through the right side wall of the fixed cylinder 2. When the fan pile 1 is offset, it will press the rubber pad layer 3, creating a gap between the rubber pad layer 3 and the fan pile 1. Rainwater and dust from the outside fall into the fixed cylinder 2 through the gap. The blower 10 blows air into the fixed cylinder 2 through the air supply pipe 9. The blown air flows at the bottom of the fixed cylinder 2 and is discharged from the fixed cylinder 2 through the air outlet groove 201. During the flow of the blown air, the rainwater and dust that fall into the bottom of the fixed cylinder 2 are carried out of the fixed cylinder 2, avoiding corrosion at the bottom of the fixed cylinder 2 and extending the service life of the fixed cylinder 2.

[0040] The inner walls of the air outlet duct 201 are respectively connected to a drive duct 202 and an inlet duct 203. A sliding push plate 11 is slidably arranged in the drive duct 202 along the direction close to the air outlet duct 201. An air-blocking baffle 14 is fixedly connected to the end face of the sliding push plate 11 near the air outlet duct 201. An elastic support rod 12 is connected between the sliding push plate 11 and the inner wall of the drive duct 202. An electromagnet 13 is provided in the drive duct 202 to drive the sliding push plate 11 to slide towards the air outlet duct 201. Specifically, a magnetic component is provided on the sliding push plate 11 to magnetically cooperate with the electromagnet 13. The electromagnet 13 has its own power supply and is equipped with a signal receiving and processing device 2 for receiving signals from a wireless signal transmitter. When the second device does not receive a signal, the electromagnet 13 is not powered on. The sliding push plate 11 remains stable under the pull of the elastic support rod 12, so that the air baffle 14 is located in the drive groove 202 and cannot block the air outlet groove 201. When the signal receiving and processing device 2 receives a signal, the electromagnet 13 is powered on again after a certain period of time. The delay time for the electromagnet 13 to start can be 5-10 minutes, which provides time for the blower to blow the dust and rainwater accumulated at the bottom of the fixed cylinder 2 out of the air outlet groove 201. The drive groove 202 is connected to an opening groove 204 with an opening on the outer wall of the fixed cylinder 2. The opening groove 204 is set to facilitate the electromagnet 13 located in the fixed cylinder 2 to receive wireless signals.

[0041] When the electromagnet 13 is energized, it becomes magnetic and pushes the sliding push plate 11 towards the air outlet slot 201. Driven by the sliding push plate 11, the air baffle 14 extends out of the drive slot 202, blocks the air outlet slot 201, and inserts into the insertion slot 203. This prevents the blower air entering the fixed cylinder 2 from being discharged through the air outlet slot 201. Under wind pressure, the blower air flows upward and exits through the gap between the rubber pad 3 and the fan pile 1. During this upward flow, the blower air carries away dust accumulated in the gap between the rubber pad 3 and the fan pile 1, improving the cleaning effect on the internal space of the fixed cylinder 2 and preventing the dust and rainwater from mixing and corroding the fixed cylinder 2 and the rubber pad 3. A pressure switch 15 is installed at the end of the air baffle 14 near the insertion slot 203. The pressure switch 15 is a wired switch with a built-in pressure sensor, and the pressure switch 15 is connected to a conductor... Line 16 is electrically connected to power supply 17 and electric heating element 18. Electric heating element 18 is embedded in the inner wall of air-tight baffle 14 near wind turbine pile 1. When electromagnet 13 is not energized, contact switch 15 is not subjected to external pressure and is in the open state, and electric heating element 18 does not work. When electromagnet 13 is energized, the end of air-tight baffle 14 with contact switch 15 is inserted into socket groove 203 and pressed against the inner wall of socket groove 203. Contact switch 15 is closed under the pressure of the inner wall of socket groove 203, and electric heating element 18 is energized and generates heat. The blower in fixed cylinder 2 is heated by electric heating element 18 to form hot air. The hot air flows upward through the gap between rubber pad 3 and wind turbine pile 1, drying the rainwater adhering to the outer wall of wind turbine pile 1, rubber pad 3 and inner wall of fixed cylinder 2, extending the service life of fixed cylinder 2 and its internal components.

[0042] Example 2:

[0043] Example 2 optimizes the vibration damping and energy dissipation effect of the elastic connecting column 5 based on Example 1. Specifically, a first guide rod 20 is fixedly connected to the side wall of the wind turbine pile 1, sliding through the fixed cylinder 2, the adjusting plate 4, and the elastic connecting column 5. The first guide rod 20 provides axial support during the elastic deformation process of the elastic connecting column 5, improving the stability of the elastic deformation process and preventing the elastic connecting column 5 from bending during compression, which would affect its vibration damping and energy dissipation effect. The first guide rod 20 is a screw rod with an external thread structure. Furthermore, the outer wall of the wind turbine pile 1 is inlaid with a threaded insert 21 for the first guide rod 20 to be rotatably inserted. During assembly, the wind turbine pile 1 is first inserted into the fixed cylinder 2, and then the first guide rod 20 is inserted into the wind turbine pile 1 from the adjusting plate 4. The first guide rod 20 and the threaded insert 21 are fixedly connected by rotating the first guide rod 20. During disassembly, the first guide rod 20 is first rotated in the opposite direction from the threaded insert 21 and pulled out, and then the wind turbine pile 1 is taken out from the fixed cylinder 2. The matching setting of the first guide rod 20 and the threaded insert 21 improves the convenience of installation and disassembly.

[0044] Example 3:

[0045] Example 3 optimizes the internal mechanism of the drive slot 202 based on Example 1. Specifically, the insertion slot 203 and the drive slot 202 are arranged vertically, with the drive slot 202 opening at the lower end of the fixed cylinder 2. This lower opening facilitates the installation of structures such as the electromagnet 13, the sliding push plate 11, and the air baffle 14 into the drive slot 202. An elastic support rod 12 is fixedly connected between the inner top wall of the drive slot 202 and the sliding push plate 11. A downwardly extending second guide rod 22 is fixedly connected to the inner top wall of the drive slot 202, and the second guide rod 22 slides downwards sequentially through the elastic support rod 12 and the sliding push plate 11. The arrangement of the second guide rod 22 affects the sliding push plate... The sliding process of the sliding push plate 11 and the air-blocking baffle 14 is guided to improve the stability of the sliding process of the sliding push plate 11 and the air-blocking baffle 14. The second guide rod 22 provides axial support for the elastic support rod 12, providing stability for the elastic deformation process of the elastic support rod 12. The electromagnet 13 is fixedly connected to the inner wall of the drive groove 202 and is located below the sliding push plate 11. The lower end face of the sliding push plate 11 is fixedly connected to a magnetic plate 23 that is magnetically repelled by the electromagnet 13. When the electromagnet 13 is energized, the electromagnet 13 pushes the sliding push plate 11 upward through the magnetic plate 23, thereby causing the air-blocking baffle 14 to pass through the air outlet groove 201 and be inserted into the insertion groove 203.

[0046] Example 4:

[0047] Example 4 optimizes the installation stability of the fixed cylinder 2 based on Example 1. Specifically, a mounting base 24 is provided below the fixed cylinder 2, and a first fixing plate 25 is fixedly connected to the outer wall of the fixed cylinder 2. The first fixing plate 25 and the mounting base 24 are fixedly connected by reinforcing bolts. The combination of the first fixing plate 25 and the reinforcing bolts fixes the fixed cylinder 2 on the mounting base 24, improving the installation stability of the fixed cylinder 2. A downwardly extending connecting rod 26 is fixedly connected to the drive motor 8, and a second fixing plate 27 is fixedly connected to the lower end of the connecting rod 26. The second fixing plate 27 is also fixedly connected to the mounting base 24 by reinforcing bolts. The combination of the second fixing plate 27, the connecting rod 26, and the reinforcing bolts fixes the drive motor 8 above the mounting base 24.

[0048] A construction process for the aforementioned wind power foundation vibration damping and energy dissipation device includes the following steps:

[0049] A. When casting the fixed cylinder 2, insert the air supply pipe 9 and drill the air outlet groove 201, drive groove 202, insertion groove 203 and multiple through holes for the elastic connecting column 5 to pass through using the drilling equipment.

[0050] B. Install one end of the air supply pipe 9 extending out of the fixed cylinder 2 on the air supply end of the blower 10, and install the sliding push plate 11, the elastic support rod 12, the electromagnet 13 and the air baffle 14 in the drive groove 202, and install the signal switch 19 on the outer wall of the fixed cylinder 2.

[0051] C. Fix the rubber pad 3 to the inner wall of the fixed cylinder 2, and set multiple adjusting plates 4 on the outside of the fixed cylinder 2. The internal threaded cylinder 6, the threaded rotating rod 7 and the drive motor 8 are installed on the adjusting plates 4.

[0052] D. Insert the wind turbine pile 1 into the fixed cylinder 2, and fix the elastic connecting column 5 on the adjusting plate 4. Pass the end of the elastic connecting column 5 away from the adjusting plate 4 through the fixed cylinder 2 and press it onto the wind turbine pile 1.

[0053] Working principle: When strong winds occur, the drive motor 8 starts and drives the threaded rod 7 to rotate in the forward direction. Through the threaded engagement between the threaded rod 7 and the internal threaded cylinder 6, the internal threaded cylinder 6 slides towards the wind turbine pile 1. The adjusting plate 4 slides towards the wind turbine pile 1 along with the internal threaded cylinder 6 and presses the elastic connecting column 5. The elastic connecting column 5 is compressed and its elastic coefficient increases. Similarly, when the strong winds decrease, the drive motor 8 starts and drives the threaded rod 7 to rotate in the reverse direction, causing the adjusting plate 4 to slide away from the wind turbine pile 1. The elastic connecting column 5 resets under its own elasticity and its elastic coefficient decreases.

[0054] When the adjusting plate 4 slides to the signal switch 19 and presses the signal switch 19, the electromagnet 13 has a delay and does not work. The blower 10 blows air into the fixed cylinder 2 through the air supply pipe 9. The blown air flows at the bottom of the fixed cylinder 2 and is discharged from the fixed cylinder 2 through the air outlet slot 201. During the flow, the blown air carries away the rainwater and dust that fall into the bottom of the fixed cylinder 2. The electromagnet 13 then works and pushes the sliding push plate 11 to slide closer to the air outlet slot 201. The air baffle 14 slides out of the drive slot 202 under the action of the sliding push plate 11, blocks the air outlet slot 201 and inserts into the insertion slot 203, so that the blown air entering the fixed cylinder 2 cannot be discharged through the air outlet slot 201. The blown air flows upward under the action of wind pressure and flows out from the gap between the rubber pad layer 3 and the fan pile 1. During the upward flow, the blown air carries away the dust accumulated in the gap between the rubber pad layer 3 and the fan pile 1.

[0055] The pressure switch 15 slides together with the air-blocking baffle 14 and presses against the inner wall of the socket groove 203. The pressure switch 15 closes under the pressure of the inner wall of the socket groove 203. The electric heating element 18 is powered on and generates heat. The blower in the fixed cylinder 2 forms hot air under the heating of the electric heating element 18. The hot air flows upward through the gap between the rubber pad layer 3 and the wind turbine pile 1, drying the rainwater adhering to the outer wall of the wind turbine pile 1, the rubber pad layer 3 and the inner wall of the fixed cylinder 2.

[0056] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wind turbine foundation vibration damping and energy dissipation device, comprising a wind turbine pile (1) inserted into a fixed cylinder (2), wherein a rubber pad layer (3) is filled between the wind turbine pile (1) and the inner wall of the fixed cylinder (2), characterized in that: The outer side of the fixed cylinder (2) is provided with several adjusting plates (4) that slide along the direction close to the fixed cylinder (2), and the adjusting plates (4) are fixedly connected with several elastic connecting columns (5) that pass through the fixed cylinder (2) and are pressed against the side wall of the wind turbine pile (1). The adjusting plates (4) are fixedly connected with an internal threaded cylinder (6) that extends away from the fixed cylinder (2), and a threaded rotating rod (7) driven by a drive motor (8) extends out of the internal threaded cylinder (6). The bottom wall of the fixed cylinder (2) is connected to one end of the air supply pipe (9), and the other end of the air supply pipe (9) is installed on the air supply end of the blower (10). The bottom wall of the fixed cylinder (2) is connected to an air outlet groove (201) that passes through the side wall of the fixed cylinder (2). The two opposite inner walls of the air outlet groove (201) are respectively connected to a drive groove (202) and a socket groove (203). A sliding push plate (11) is slidably arranged in the drive groove (202) along the direction close to the air outlet groove (201). The sliding push plate (11) is close to the air outlet groove (201). An air-blocking baffle (14) is fixedly connected to the end face of 201), and an elastic support rod (12) is connected between the sliding push plate (11) and the inner wall of the drive groove (202). An electromagnet (13) is provided in the drive groove (202) to drive the sliding push plate (11) to slide towards the air outlet groove (201). A signal switch (19) is provided on the outer wall of the fixed cylinder (2) to press and cooperate with the adjustment plate (4). The signal switch (19) controls the blower (10) to blow air and the electromagnet (13) to delay power-on. A pressure switch (15) is installed at one end of the air-isolating baffle (14) near the socket slot (203), and the pressure switch (15) is electrically connected to the power supply (17) and the electric heating element (18) through the wire (16), and the electric heating element (18) is embedded in the inner wall of the air-isolating baffle (14) near the wind turbine pile (1).

2. The wind power foundation vibration damping and energy dissipation device according to claim 1, characterized in that: The wind turbine pile (1) has a first guide rod (20) that slides through the fixed cylinder (2), the adjusting plate (4) and the elastic connecting column (5) on its side wall.

3. The wind power foundation vibration damping and energy dissipation device according to claim 2, characterized in that: The first guide rod (20) is a screw rod with an external thread structure, and the outer wall of the wind turbine pile (1) is inlaid with a threaded insert (21) for the first guide rod (20) to be rotated and inserted.

4. The wind power foundation vibration damping and energy dissipation device according to claim 1, characterized in that: The insertion slot (203) and the drive slot (202) are arranged vertically, and the drive slot (202) is open at the lower end of the fixed cylinder (2). The elastic support rod (12) is fixedly connected between the inner top wall of the drive slot (202) and the sliding push plate (11). The inner top wall of the drive slot (202) is fixedly connected to a downwardly extending second guide rod (22), and the second guide rod (22) slides downward through the elastic support rod (12) and the sliding push plate (11) in sequence. The electromagnet (13) is fixedly arranged below the sliding push plate (11), and the lower end face of the sliding push plate (11) is fixedly connected to a magnetic plate (23) that is magnetically repelled by the electromagnet (13).

5. The wind power foundation vibration damping and energy dissipation device according to claim 1, characterized in that: Multiple adjusting plates (4) on the outside of the fixed cylinder (2) are evenly distributed in a circumferential direction on the outside of the fixed cylinder (2), and each adjusting plate (4) is fixedly connected to several elastic connecting columns (5) that are squeezed and cooperated with the wind turbine pile (1).

6. The wind power foundation vibration damping and energy dissipation device according to claim 1, characterized in that: The rubber pad (3) is fixedly connected to the inner wall of the fixed cylinder (2) by reinforcing screws, and the rubber pad (3) has a through groove for the elastic connecting column (5) to pass through.

7. The wind power foundation vibration damping and energy dissipation device according to claim 1, characterized in that: The mounting base (24) is provided below the fixed cylinder (2), and a first fixing plate (25) is fixedly connected to the outer wall of the fixed cylinder (2), and the first fixing plate (25) and the mounting base (24) are fixedly connected by reinforcing bolts.

8. The wind power foundation vibration damping and energy dissipation device according to claim 7, characterized in that: The drive motor (8) is fixedly connected to a downwardly extending connecting rod (26), and a second fixing plate (27) is fixedly connected to the lower end of the connecting rod (26), and the second fixing plate (27) is also fixedly connected to the mounting base (24) by reinforcing bolts.

9. The wind power foundation vibration damping and energy dissipation device according to claim 1, characterized in that: The drive groove (202) is connected to an opening groove (204) that opens on the outer side wall of the fixed cylinder (2).

10. A construction process method for the wind power foundation vibration damping and energy dissipation device as described in any one of claims 1-9, characterized in that, Includes the following steps: A. When casting the fixed cylinder (2), insert the air supply pipe (9) and drill the air outlet groove (201), drive groove (202), socket groove (203) and multiple through holes for the elastic connecting column (5) to pass through using the drilling equipment; B, install one end of the air supply pipe (9) extending out of the fixed cylinder (2) on the air supply end of the blower (10), and install the sliding push plate (11), elastic support rod (12), electromagnet (13) and air baffle (14) in the drive groove (202), and install the signal switch (19) on the outer wall of the fixed cylinder (2). C. Fix the rubber pad (3) on the inner wall of the fixed cylinder (2), and set multiple adjustment plates (4) on the outside of the fixed cylinder (2), and install the internal thread cylinder (6), threaded rotating rod (7) and drive motor (8) on the adjustment plates (4); D. Insert the wind turbine pile (1) into the fixed cylinder (2) and fix the elastic connecting column (5) on the adjusting plate (4). Pass the end of the elastic connecting column (5) away from the adjusting plate (4) through the fixed cylinder (2) and press it onto the wind turbine pile (1).

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