Anti-collision protection device for offshore wind turbine foundation

Abstract

The invention discloses an anti-collision protection device for an offshore wind turbine foundation, and relates to the technical field of offshore wind turbines, the anti-collision protection device comprises a mounting slide rail, a protection shell, a first protection plate, a second protection plate, a third protection plate and a fourth protection plate, the first protection plate, the second protection plate, the third protection plate and the fourth protection plate are sequentially arranged outside the installation sliding rail in a sleeving mode from outside to inside. The first protection plate can move in the direction close to or away from the second protection plate, and the position between the first protection plate and the second protection plate is fixedly filled with a positive and negative Poisson ratio coupling structure. A plurality of first buffer assemblies are arranged between the second protection plate and the third protection plate; the third protection plate can move in the direction close to or away from the fourth protection plate, and a plurality of second buffering assemblies are arranged between the third protection plate and the fourth protection plate. The fourth protection plate can rotate around the mounting slide rail; according to the method, the anti-collision protection capability of the offshore wind turbine foundation can be effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of offshore wind turbines, and in particular to an offshore wind turbine foundation anti-collision protection device. Background Art

[0002] Offshore wind turbines face many potential risks. Cases of offshore wind turbines being damaged by collisions with ships, ice floes or marine debris often occur. Damage to offshore wind turbines caused by collisions will cause significant losses. Therefore, the development of offshore wind turbine foundation anti-collision devices meets the current major needs of wind turbine disaster prevention and control, and is of great significance to ensuring the safety of offshore wind turbines, reducing property losses and protecting the marine environment.

[0003] Most traditional offshore wind turbine foundation anti-collision devices simply use buffer springs and some composite materials to achieve the buffering effect. They have a simple structure and poor anti-collision protection capability for offshore wind turbine foundations. Summary of the Invention

[0004] The purpose of the present invention is to provide an offshore wind turbine foundation anti-collision protection device to solve the problems existing in the above-mentioned prior art and to effectively improve the anti-collision protection capability of the offshore wind turbine foundation.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides an offshore wind turbine foundation anti-collision protection device, comprising a mounting rail, a protective shell, a first protective plate, a second protective plate, a third protective plate and a fourth protective plate, wherein the mounting rail is used to be sleeved on the outside of the offshore wind turbine foundation, the first protective plate, the second protective plate, the third protective plate and the fourth protective plate are all placed inside the protective shell, and the first protective plate, the second protective plate, the third protective plate and the fourth protective plate are sequentially sleeved on the outside of the mounting rail from the outside to the inside; the first protective plate can move in a direction close to or away from the second protective plate, and a fixed filler is provided between the first protective plate and the second protective plate There is a positive and negative Poisson's ratio coupling structure; a plurality of first buffer components are provided between the second protective plate and the third protective plate, the first end of the first buffer component is fixedly connected to the second protective plate, and the second end of the first buffer component can rotate around the third protective plate; the third protective plate can move toward or away from the fourth protective plate, and a plurality of second buffer components are provided between the third protective plate and the fourth protective plate, the first end of the second buffer component is fixedly connected to the third protective plate, and the second end of the second buffer component is fixedly connected to the fourth protective plate; the fourth protective plate can rotate around the mounting rail.

[0007] Preferably, the positive and negative Poisson's ratio coupling structure includes a plurality of positive and negative Poisson's ratio structure chimeric cell assemblies, each of the positive and negative Poisson's ratio structure chimeric cell assemblies is arranged in sequence around the second protective plate, one end of the positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the first protective plate, and the other end of the positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the second protective plate; the positive and negative Poisson's ratio structure chimeric cell assembly includes a plurality of positive and negative Poisson's ratio structure chimeric cells, and any one of the positive and negative Poisson's ratio structure chimeric cells is abutted or fixedly connected to the second protective plate. The positive and negative Poisson's ratio structure chimeric cells in the ratio structure chimeric cell assembly are arranged in sequence from the outside to the inside, and the positive and negative Poisson's ratio structure chimeric cells include negative Poisson's ratio microcells and positive Poisson's ratio microcells, and the positive Poisson's ratio microcells are fixedly nested in the negative Poisson's ratio microcells; in the circumferential direction of the second protective plate, the negative Poisson's ratio microcells shrink from the two ends of the negative Poisson's ratio microcells to the middle of the negative Poisson's ratio microcells, and the positive Poisson's ratio microcells shrink from the middle of the positive Poisson's ratio microcells to the two ends of the positive Poisson's ratio microcells.

[0008] Preferably, the mounting rail is placed between the third protective plate and the fourth protective plate, and a plurality of connecting sliders are fixedly provided on the outer side wall of the fourth protective plate, and the connecting slider is connected to the mounting rail, and the connecting slider can rotate along the mounting rail; the first protective plate is fixedly connected to the protective shell, and a plurality of upper rails and a plurality of lower rails are fixedly provided in the protective shell, the upper rail is placed above the second protective plate, and the lower rail is placed below the second protective plate, the top of the second protective plate has a plurality of upper protrusions, the upper protrusions correspond to the upper rails one by one, and the upper protrusions extend into the upper rails, and the bottom of the second protective plate has a plurality of The lower protrusion corresponds to the lower track one by one, and the lower protrusion extends into the lower track; the upper track can move along the upper protrusion in the radial direction of the second protective plate, and the lower track can move along the lower protrusion in the radial direction of the second protective plate; the top of the third protective plate is provided with a top walking wheel, and the bottom of the third protective plate is provided with a bottom walking wheel, the top walking wheel can rotate along the inner top wall of the protective shell, and the bottom walking wheel can rotate along the inner bottom wall of the protective shell; the top of the protective shell has a top baffle, and the bottom of the protective shell has a bottom baffle, the top baffle is placed on the top surface of the fourth protective plate, and the bottom baffle is placed on the bottom surface of the fourth protective plate.

[0009] The cam is connected to the second end of the first gear and the second end of the second gear is connected to the cam by the spring, and the cam is connected to the first gear of the second gear by the spring. The cam is connected to the second end of the fixing frame by the first spring and the second end of the fixing frame; the first walking wheel and the driving device are both arranged on the outer movable plate, the first walking wheel contacts the third guard plate and can roll along the third guard plate, the driving device corresponds to the first walking wheel one-to-one, the driving device is transmission-connected to the first walking wheel, and the driving device can drive the first walking wheel to roll along the third guard plate; the second buffer assembly includes a first mounting seat, a second mounting seat, a buffer spring and a plurality of elastic rods, the first mounting seat is fixedly connected to the third guard plate, the second mounting seat is fixedly connected to the fourth guard plate, one end of the buffer spring and one end of each elastic rod are fixedly connected to the first mounting seat, the other end of the buffer spring and the other end of each elastic rod are fixedly connected to the second mounting seat, and each elastic rod is arranged around the buffer spring.

[0010] Preferably, the first energy dissipation component includes a first guide rail, a first slider, a first connecting rod, a first intermediate connecting block, a second connecting rod, a second slider and a second guide rail, wherein the first guide rail is fixedly provided on the intermediate movable plate, the first slider is provided in the first guide rail, the first slider can slide in the first guide rail, the second guide rail is fixedly provided on the first end of the fixed frame, the second slider is provided in the second guide rail, the second slider can slide in the second guide rail, the first intermediate connecting block is placed between the intermediate movable plate and the first end of the fixed frame, one end of the first connecting rod is hinged to the first intermediate connecting block, the other end of the first connecting rod is hinged to the first slider, one end of the second connecting rod is hinged to the first intermediate connecting block, and the other end of the second connecting rod is hinged to the second slider; a second spring is provided in the first guide rail, the second spring can provide resistance to the movement of the first slider, a third spring is provided in the second guide rail, the third spring can provide resistance to the movement of the second slider, and a fourth spring is provided between the first intermediate connecting block and the first end of the intermediate movable plate and the fixed frame, the fourth spring can provide resistance to the movement of the first intermediate connecting block.

[0011] Preferably, at least one limit block is provided between the second protective plate and the third protective plate, and the limit block can rotate along the third protective plate. The first buffer assembly is provided on both sides of the limit block, and a buffer space is left between the limit block and the first buffer assembly on both sides of the limit block. A first electromagnet is provided on the limit block, and a second electromagnet is provided on the first buffer assembly on both sides of the limit block. There is a repulsive force between the second electromagnet and the first electromagnet; a fifth spring is provided between the limit block and the first electromagnet, and the fifth spring can provide resistance for the first electromagnet to move in a direction close to the limit block.

[0012] Preferably, the interior of the third protective plate comprises an air chamber, a first water chamber and a second water chamber, the air chamber is placed above the first water chamber and the second water chamber, a compression plate is provided in the air chamber, the compression plate divides the air chamber into a first chamber and a second chamber, the compression plate can move in the air chamber, the compression plate can reduce the space of the first chamber by moving in a first direction, and can reduce the space of the second chamber by moving in a second direction, the second direction is opposite to the first direction, a one-way air intake valve is fixedly provided on the side wall of the first chamber and the side wall of the second chamber, a first air transfer channel is provided between the first chamber and the first water chamber, a second air transfer channel is provided between the second chamber and the second water chamber, a one-way exhaust valve is fixedly provided in the first air transfer channel and the second air transfer channel; a compression rod is fixedly provided on the compression plate, and the compression rod has a first end. One end extends out of the air chamber, and the first end of the compression rod is fixedly provided with a socket; the limit block is provided with a plug pin and a release and retraction device, the plug pin can be inserted into the socket, the release and retraction device is transmission-connected with the plug pin, and the release and retraction device can provide power for the plug pin to insert or leave the socket; the bottom of the third protective plate is fixedly provided with a first water spray head, a second water spray head and a baffle, the baffle is placed between the first water spray head and the second water spray head, the first water spray head is connected to the first water chamber, when the compression plate moves along the first direction, the first water spray head can spray water on the baffle along the second direction, when the compression plate moves along the second direction, the second water spray head can spray water on the baffle along the first direction; the first water spray head is provided with a first safety valve, and the second water spray head is provided with a second safety valve.

[0013] Preferably, it also includes at least three lifting assemblies, each of which is arranged around the mounting rail; the lifting assembly includes a column, a sleeve and a lifting drive device, the column is used to be fixed on the offshore wind turbine foundation, the sleeve is sleeved on the column, the sleeve can move up or down along the column, the sleeve is fixedly connected to the mounting rail, the lifting drive device is transmission-connected to the sleeve, and the lifting drive device can provide power for the sleeve to move up or down.

[0014] Preferably, a third buffer assembly is provided between the sleeve and the third protective plate, and the third buffer assembly includes a connecting plate, a striker plate, a third slider, a third connecting rod, a second walking wheel, a hydraulic cylinder, a sixth spring and a seventh spring. The connecting plate is fixedly connected to the sleeve, and a sliding groove is provided on the connecting plate. The third slider is provided in the sliding groove, and the third slider can move along the sliding groove. The striker plate is placed between the connecting plate and the third protective plate, and the second walking wheel is provided on the striker plate. The second walking wheel contacts the third protective plate, and the second walking wheel contacts the third protective plate. The wheel can roll along the third protective plate; the cylinder body of the hydraulic cylinder is fixedly connected to the impact plate, and the piston rod of the hydraulic cylinder is fixedly connected to the connecting plate; one end of the third connecting rod is hinged to the impact plate, and the other end of the third connecting rod is hinged to the third slider; the sixth spring is sleeved on the outside of the piston rod of the hydraulic cylinder, one end of the sixth spring is fixedly connected to the connecting plate, and the other end of the sixth spring is fixedly connected to the cylinder body of the hydraulic cylinder; the seventh spring is arranged in the sliding groove, and the seventh spring can provide resistance for the third slider to move along the sliding groove.

[0015] Preferably, it also includes a roll-down buffer assembly, which includes a shock-absorbing ball, a hoisting piece, a first telescopic ring, a second telescopic ring, a fixed ring, a plurality of hydraulic telescopic rods, a plurality of eighth springs and a plurality of arc-shaped sliders, the top of the hoisting piece is used to be fixedly connected to the jacket platform of the offshore wind turbine foundation, the bottom end of the hoisting piece is fixedly connected to the shock-absorbing ball, the first telescopic ring, the second telescopic ring and the fixed ring are sequentially sleeved on the outside of the hoisting piece from the inside to the outside, and the fixed ring is used to be fixedly connected to the offshore wind turbine foundation; each of the arc-shaped sliders is arranged around the first telescopic ring, the eighth spring corresponds to the arc-shaped slider one by one, the eighth spring is arranged along the radial direction of the second telescopic ring, one end of the eighth spring is fixedly connected to the arc-shaped slider, and the other end of the eighth spring is fixedly connected to the second telescopic ring, the hydraulic telescopic rod is arranged along the radial direction of the fixed ring, one end of the hydraulic telescopic rod is fixedly connected to the second telescopic ring, and the other end of the hydraulic telescopic rod is fixedly connected to the fixed ring.

[0016] Compared with the prior art, the present invention has achieved the following technical effects:

[0017] The offshore wind turbine foundation anti-collision protection device provided by the present invention, when a collision occurs, initially prevents collision through the positive and negative Poisson's ratio coupling structure between the first protective plate and the second protective plate, the impactor squeezes the first protective plate, the first protective plate squeezes the positive and negative Poisson's ratio coupling structure, and the positive and negative Poisson's ratio coupling structure consumes part of the energy from the impactor to achieve a buffering effect, the positive and negative Poisson's ratio coupling structure squeezes the second protective plate, the second protective plate squeezes the first buffer assembly, the first buffer assembly consumes a large part of the energy from the impactor, and the first buffer assembly has a self-resetting function, and at the same time, under the action of the collision, the first protective plate, the positive and negative Poisson's ratio coupling structure, the second protective plate and the first buffer assembly rotate around the third protective plate, thereby being able to change the angle of the impact force of the impactor and reduce the transmission The impact energy directed to the offshore wind turbine foundation can also guide the impact object to deflect. The remaining impact energy transmitted to the offshore wind turbine foundation is first transmitted to the third protective plate through the first buffer component. The second buffer component then consumes part of the energy from the impact object, further reducing the impact energy transmitted to the offshore wind turbine foundation. At the same time, the fourth protective plate rotates around the mounting slide rail, further changing the angle of the impact force of the impact object, reducing the impact energy transmitted to the offshore wind turbine foundation, and guiding the impact object to deflect. Therefore, the offshore wind turbine foundation anti-collision protection device provided by the present invention effectively reduces the impact energy reaching the offshore wind turbine foundation, and makes the impact object no longer directly facing the offshore wind turbine foundation, thereby reducing the degree of damage to the offshore wind turbine foundation and the probability of failure, while also effectively reducing the damage to the external impact object caused by the collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is an overall schematic diagram of the offshore wind turbine foundation anti-collision protection device provided by the present invention;

[0020] Figure 2 for Figure 1 Installation diagram of the columns and anti-roll buffer components;

[0021] Figure 3 for Figure 1 A local schematic diagram of the positive and negative Poisson's ratio coupling structure;

[0022] Figure 4 for Figure 1 An exploded view of the first buffer assembly;

[0023] Figure 5 for Figure 1Installation diagram of the third protective plate and the limit block;

[0024] Figure 6 for Figure 5 Installation diagram of the air chamber and limit block;

[0025] Figure 7 for Figure 6 A schematic diagram of the air chamber and the limit block in another direction;

[0026] Figure 8 for Figure 6 Another direction diagram of the air chamber and the limit block;

[0027] Figure 9 for Figure 1 Schematic diagram of the installation of the third buffer assembly;

[0028] Figure 10 for Figure 9 A schematic diagram of another direction of the third buffer component;

[0029] Figure 11 for Figure 9 A schematic diagram of another direction of the third buffer component;

[0030] Figure 12 A top view of the offshore wind turbine foundation anti-collision protection device provided by the present invention;

[0031] Figure 13 for Figure 12 A local enlarged schematic diagram in FIG.

[0032] Figure 14 for Figure 1 Schematic diagram of installation of the second buffer assembly;

[0033] Figure 15 for Figure 1 Schematic diagram of the installation of the anti-roll buffer assembly;

[0034] Figure 16 A schematic diagram of the installation of a protective shell of the offshore wind turbine foundation anti-collision protection device provided by the present invention;

[0035] Figure 17 for Figure 16 Schematic diagram of the internal structure of the protective shell;

[0036] Figure 18 A schematic diagram of the energy consumption path of the offshore wind turbine foundation anti-collision protection device provided by the present invention;

[0037] In the figure: 1- offshore wind turbine foundation, 11- column, 111- sleeve, 112- wire rope, 113- fixed pulley, 12- high-definition camera, 13- rangefinder, 14- power unit, 15- antenna, 16- flange, 17- jacket platform, 2- positive and negative Poisson's ratio coupling structure, 21- negative Poisson's ratio microcell, 22- positive Poisson's ratio microcell, 23- positive and negative Poisson's ratio structure mosaic cell, 24- first protective plate, 25- second protective plate, 3- A buffer assembly, 31-the first end of the fixed frame, 32-side plate, 33-intermediate movable plate, 34-roller, 35-first spring, 36-moving column, 37-first energy dissipation assembly, 38-first walking wheel, 39-driven gear, 310-drive motor, 4-third protective plate, 401-first chamber, 402-second chamber, 411-compression plate, 412-compression rod, 42-first water chamber, 44-socket, 45-baffle, 461-first A water spray head, 462-second water spray head, 47-first air transmission channel, 5-limiting block, 51-connecting pin, 52-fifth spring, 53-first electromagnet, 531-battery, 532-control unit, 6-third buffer assembly, 61-connecting plate, 62-impact plate, 63-sliding groove, 64-third connecting rod, 65-universal conversion head, 66-second walking wheel, 67-hydraulic cylinder, 7-second buffer assembly, 71-buffer spring, 72-elastic rod, 8-fourth protective plate, 9-annular buoy, 10-anti-roll buffer assembly, 101-fixed ring, 102-hydraulic telescopic rod, 103-eighth spring, 104-second telescopic ring, 105-first telescopic ring, 1051-arc-shaped slider, 1001-mounting slide rail, 1002-protective shell, 1003-upper track, 1004-lower track, 1005-top running wheel, 1006-bottom running wheel, 1007-top baffle, 1008-bottom baffle. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] The purpose of the present invention is to provide an offshore wind turbine foundation anti-collision protection device to solve the problems existing in the above-mentioned prior art and to effectively improve the anti-collision protection capability of the offshore wind turbine foundation.

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] like Figures 1 to 18 As shown, the present invention provides an offshore wind turbine foundation anti-collision protection device, including a mounting rail 1001, a protective shell 1002, a first protective plate 24, a second protective plate 25, a third protective plate 4 and a fourth protective plate 8. The mounting rail 1001 is used to be mounted on the outside of the offshore wind turbine foundation 1, and the first protective plate 24, the second protective plate 25, the third protective plate 4 and the fourth protective plate 8 are all placed inside the protective shell 1002. The first protective plate 24, the second protective plate 25, the third protective plate 4 and the fourth protective plate 8 are sequentially mounted on the outside of the mounting rail 1001 from the outside to the inside; the first protective plate 24 can move toward or away from the second protective plate 25, and the first protective plate 24 can move toward or away from the second protective plate 25. A positive and negative Poisson's ratio coupling structure 2 is fixedly filled between the second protective plate 25; a plurality of first buffer components 3 are provided between the second protective plate 25 and the third protective plate 4, the first end of the first buffer component 3 is fixedly connected to the second protective plate 25, and the second end of the first buffer component 3 can rotate around the third protective plate 4; the third protective plate 4 can move toward or away from the fourth protective plate 8, and a plurality of second buffer components 7 are provided between the third protective plate 4 and the fourth protective plate 8, the first end of the second buffer component 7 is fixedly connected to the third protective plate 4, and the second end of the second buffer component 7 is fixedly connected to the fourth protective plate 8; the fourth protective plate 8 can rotate around the mounting rail 1001.

[0042] The offshore wind turbine foundation anti-collision protection device provided by the present invention, when a collision occurs, initially prevents collision through the positive and negative Poisson's ratio coupling structure 2 between the first protective plate 24 and the second protective plate 25, the impactor squeezes the first protective plate 24, the first protective plate 24 squeezes the positive and negative Poisson's ratio coupling structure 2, and the positive and negative Poisson's ratio coupling structure 2 consumes part of the energy from the impactor to achieve a buffering effect, the positive and negative Poisson's ratio coupling structure 2 squeezes the second protective plate 25, the second protective plate 25 squeezes the first buffer component 3, the first buffer component 3 consumes a large part of the energy from the impactor, and the first buffer component 3 has a self-resetting function, and at the same time, under the action of the impact, the first protective plate 24, the positive and negative Poisson's ratio coupling structure 2, the second protective plate 25 and the first buffer component 3 rotate around the third protective plate 4, thereby being able to change the impact force of the impactor Angle, reducing the impact energy transmitted to the offshore wind turbine foundation 1, and can also guide the impact object to deflect. The remaining impact energy transmitted to the offshore wind turbine foundation 1 is first transmitted to the third protective plate 4 through the first buffer component 3, and the second buffer component 7 consumes part of the energy from the impact object, further reducing the impact energy transmitted to the offshore wind turbine foundation 1. At the same time, the fourth protective plate 8 rotates around the mounting slide rail 1001, further changing the angle of the impact force of the impact object, reducing the impact energy transmitted to the offshore wind turbine foundation 1, and guiding the impact object to deflect. Therefore, the offshore wind turbine foundation anti-collision protection device provided by the present invention effectively reduces the impact energy reaching the offshore wind turbine foundation 1, and makes the impact object no longer directly facing the offshore wind turbine foundation 1, thereby reducing the degree of damage to the offshore wind turbine foundation 1 and the probability of failure, and also effectively reducing the damage to the external impact object caused by the collision.

[0043] As a more preferred implementation of this embodiment, the positive and negative Poisson's ratio coupling structure 2 includes a plurality of positive and negative Poisson's ratio structure chimeric cell assemblies, each of which is arranged in sequence around the second protective plate 25, one end of the positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the first protective plate 24, and the other end of the positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the second protective plate 25; the positive and negative Poisson's ratio structure chimeric cell assembly includes a plurality of positive and negative Poisson's ratio structure chimeric cells 23, and each positive and negative Poisson's ratio structure in any positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the second protective plate 25. The structural chimeric cells 23 are arranged sequentially from the outside to the inside. The positive and negative Poisson's ratio structural chimeric cells 23 include negative Poisson's ratio microcells 21 and positive Poisson's ratio microcells 22. The positive Poisson's ratio microcells 22 are fixedly nested in the negative Poisson's ratio microcells 21, which can effectively consume the impact energy from the impactor; in the circumferential direction of the second protective plate 25, the negative Poisson's ratio microcells 21 shrink from the two ends of the negative Poisson's ratio microcells 21 to the middle of the negative Poisson's ratio microcells 21, and the positive Poisson's ratio microcells 22 shrink from the middle of the positive Poisson's ratio microcells 22 to the two ends of the positive Poisson's ratio microcells 22, which can effectively consume the impact energy from the impactor and have a stable structure.

[0044] As a more preferred implementation of this embodiment, the protective shell 1002 and the positive and negative Poisson's ratio coupling structure 2 are both made of memory alloy. Within the allowable impact force range, they can return to their original shape after deformation, thereby improving utilization.

[0045] As a more preferred implementation of this embodiment, the outer side of the protective shell 1002 is coated with a water-based epoxy anti-corrosion paint, which can effectively protect the internal structure of the protective shell 1002.

[0046] As a more preferred implementation of this embodiment, the mounting rail 1001 is placed between the third protective plate 4 and the fourth protective plate 8, which can effectively reduce the layout space occupation and has a compact structure. A plurality of connecting sliders are fixed on the outer wall of the fourth protective plate 8, and the connecting sliders are connected to the mounting rail 1001. The connecting sliders can rotate along the mounting rail 1001, so that the fourth protective plate 8 can rotate smoothly around the mounting rail 1001; the first protective plate 24 is fixedly connected to the protective shell 1002, and a plurality of upper rails 1 are fixed in the protective shell 1002. 003 and several lower rails 1004, the upper rail 1003 is placed above the second protective plate 25, the lower rail 1004 is placed below the second protective plate 25, the top of the second protective plate 25 has several upper protrusions, the upper protrusions correspond to the upper rails 1003 one by one, and the upper protrusions extend into the upper rail 1003, the bottom of the second protective plate 25 has several lower protrusions, the lower protrusions correspond to the lower rails 1004 one by one, and the lower protrusions extend into the lower rail 1004; the upper rail 1003 can move along the upper protrusions in the radial direction of the second protective plate 25, and the lower rail 1004 can move along the upper protrusions in the radial direction of the second protective plate 25. 004 can move along the lower protrusion in the radial direction of the second protective plate 25; the top of the third protective plate 4 is provided with a top walking wheel 1005, and the bottom of the third protective plate 4 is provided with a bottom walking wheel 1006, the top walking wheel 1005 can rotate along the inner top wall of the protective shell 1002, and the bottom walking wheel 1006 can rotate along the inner bottom wall of the protective shell 1002; the top of the protective shell 1002 is provided with a top baffle 1007, and the bottom of the protective shell 1002 is provided with a bottom baffle 1008, the top baffle 1007 is placed on the top surface of the fourth protective plate 8, and the bottom baffle 1008 is placed on the fourth protective plate 8. On the bottom surface of the protective plate 8, the protective shell 1002 can effectively protect the first protective plate 24, the second protective plate 25, the third protective plate 4 and the fourth protective plate 8, thereby effectively protecting the positive and negative Poisson's ratio coupling structure 2, the first buffer component 3, the second buffer component 7 and the mounting slide rail 1001, and the protective shell 1002 will not cause adverse interference to the first protective plate 24, the second protective plate 25, the third protective plate 4, the fourth protective plate 8, the positive and negative Poisson's ratio coupling structure 2, the first buffer component 3 and the second buffer component 7 in anti-collision energy consumption.

[0047] As a more preferred implementation of this embodiment, the first buffer component 3 includes a fixed frame, an intermediate movable plate 33, a movable column 36, an external movable plate, a plurality of first energy-absorbing components 37, a plurality of first springs 35, a plurality of first walking wheels 38 and a plurality of driving devices. The first end 31 of the fixed frame is fixedly connected to the second protective plate 25, the intermediate movable plate 33 is placed inside the fixed frame, and rollers 34 are provided at both ends of the intermediate movable plate 33. The rollers 34 at both ends of the intermediate movable plate 33 are respectively in contact with the two side plates 32 of the fixed frame, the external movable plate is placed outside the fixed frame, and the movable column 36 passes through the second end of the fixed frame. The movable column 36 can move closer or farther away. The first end 31 of the fixed frame moves in the direction away from the first end 31 of the fixed frame, one end of the movable column 36 is fixedly connected to the intermediate movable plate 33, and the other end of the movable column 36 is fixedly connected to the external movable plate; the first energy dissipation component 37 is placed between the intermediate movable plate 33 and the first end 31 of the fixed frame, one end of the first energy dissipation component 37 is connected to the intermediate movable plate 33, and the other end of the first energy dissipation component 37 is connected to the first end 31 of the fixed frame; the first spring 35 is placed between the intermediate movable plate 33 and the second end of the fixed frame, one end of the first spring 35 is fixedly connected to the intermediate movable plate 33, and the other end of the first spring 35 is fixedly connected to the second end of the fixed frame; the first walking wheel 38 and the driving device are both arranged on the outside On the movable plate, the first walking wheel 38 contacts the third guard plate 4 and can roll along the third guard plate 4. The driving device corresponds to the first walking wheel 38 one by one. The driving device is transmission-connected to the first walking wheel 38. The driving device can drive the first walking wheel 38 to roll along the third guard plate 4 to cope with impacts at different angles. As a more preferred implementation of this embodiment, the driving device includes a driving gear, a driven gear 39 and a driving motor 310. The driven gear 39 is coaxially fixedly connected to the first walking wheel 38. The driving gear is fixedly sleeved on the power output shaft of the driving motor 310. The driving gear is meshed with the driven gear 39. The driving motor 310 drives the first walking wheel 38. The walking wheel 38 rotates, and the driving motor 310 is controlled by the remote cloud controller to cope with collisions at different angles and achieve multi-angle and multi-directional precise collision avoidance; the second buffer assembly 7 includes a first mounting seat, a second mounting seat, a buffer spring 71 and a plurality of elastic rods 72, the first mounting seat is fixedly connected to the third protective plate 4, the second mounting seat is fixedly connected to the fourth protective plate 8, one end of the buffer spring 71 and one end of each elastic rod 72 are fixedly connected to the first mounting seat, the other end of the buffer spring 71 and the other end of each elastic rod 72 are fixedly connected to the second mounting seat, and each elastic rod 72 is arranged around the buffer spring 71 to facilitate being stretched or compressed, so as to facilitate consuming impact energy.

[0048] As a more preferred implementation of this embodiment, the first energy dissipation component 37 includes a first guide rail, a first slider, a first connecting rod, a first intermediate connecting block, a second connecting rod, a second slider and a second guide rail. The first guide rail is fixed on the intermediate movable plate 33, the first slider is arranged in the first guide rail, the first slider can slide in the first guide rail, the second guide rail is fixed on the first end 31 of the fixed frame, the second slider is arranged in the second guide rail, the second slider can slide in the second guide rail, the first intermediate connecting block is placed between the intermediate movable plate 33 and the first end 31 of the fixed frame, one end of the first connecting rod is hinged to the first intermediate connecting block, the other end of the first connecting rod is hinged to the first slider, one end of the second connecting rod is hinged to the first intermediate connecting block, and the other end of the second connecting rod is hinged to the second slider; a second spring is provided in the first guide rail, and the second spring can To provide resistance to the movement of the first slider, a third spring is provided in the second guide rail, and the third spring can provide resistance to the movement of the second slider. A fourth spring is provided between the first intermediate connecting block and the intermediate movable plate 33 and the first end 31 of the fixed frame, and the fourth spring can provide resistance to the movement of the first intermediate connecting block, so as to facilitate the consumption of impact energy. It should be noted here that the number of first connecting rods and second connecting rods connected to the first intermediate connecting block can be adjusted according to actual use requirements. As a more preferred implementation method of this embodiment, the first energy-absorbing component 37 is provided in two forms, one is that two first connecting rods and two second connecting rods are connected to the first intermediate connecting block, and the other is that four first connecting rods and four second connecting rods are connected to the first intermediate connecting block. These two forms of first energy-absorbing components 37 are arranged alternately, and the energy absorption effect is better.

[0049] As a more preferred implementation of this embodiment, at least one limit block 5 is provided between the second protective plate 25 and the third protective plate 4, the limit block 5 can rotate along the third protective plate 4, a first buffer assembly 3 is provided on both sides of the limit block 5, a buffer space is left between the limit block 5 and the first buffer assembly 3 on both sides of the limit block 5, a first electromagnet 53 is provided on the limit block 5, a second electromagnet is provided on the first buffer assembly 3 on both sides of the limit block 5, and there is a repulsive force between the second electromagnet and the first electromagnet 53; a fifth spring 52 is provided between the limit block 5 and the first electromagnet 53, and the fifth spring 52 can be the first electromagnet 53 Resistance is provided for movement in the direction approaching the limit block 5, and part of the impact energy is transferred to the process of the limit block 5 rotating along the third protective plate 4. The impact energy can be effectively consumed through the mutual repulsion between the second electromagnet and the first electromagnet 53 and the obstruction of movement and energy consumption of the fifth spring 52. In this embodiment, the first electromagnet 53 and the second electromagnet are both made of coils wound on silicon steel sheets, and the magnitude of the magnetic force can be controlled by controlling the magnitude of the current in the coil; in this embodiment, a battery 531 for powering the first electromagnet 53 and a control unit 532 for controlling the power supply of the first electromagnet 53 are provided on the limit block 5.

[0050] As a more preferred implementation manner of this embodiment, the interior of the third protective plate 4 has an air chamber, a first water chamber 42 and a second water chamber, the air chamber is placed above the first water chamber 42 and the second water chamber, water is provided in the first water chamber 42 and the second water chamber, a compression plate 411 is provided in the air chamber, the compression plate 411 divides the air chamber into a first chamber 401 and a second chamber 402, the compression plate 411 can move in the air chamber, the compression plate 411 moves in the first direction to reduce the space of the first chamber 401, and the compression plate 411 moves in the second direction to reduce the space of the second chamber 402, the second direction is opposite to the first direction, a one-way air intake valve is fixed on the side wall of the first chamber 401 and the side wall of the second chamber 402, a first air transfer channel 47 is provided between the first chamber 401 and the first water chamber 42, a second air transfer channel is provided between the second chamber 402 and the second water chamber, and both the first air transfer channel 47 and the second air transfer channel are fixed. A one-way exhaust valve is provided; a compression rod 412 is fixedly provided on the compression plate 411, the first end of the compression rod 412 extends outside the air chamber, and the first end of the compression rod 412 is fixedly provided with a socket 44; a plug pin 51 and a release and retraction device are provided on the limit block 5, the plug pin 51 can be inserted into the socket 44, the release and retraction device is in transmission connection with the plug pin 51, and the release and retraction device can provide power for the plug pin 51 to be inserted into or leave the socket 44; the bottom of the third protective plate 4 is fixed A first water spray head 461, a second water spray head 462, and a baffle 45 are provided. The baffle 45 is placed between the first water spray head 461 and the second water spray head 462. The first water spray head 461 is connected to the first water chamber 42. When the compression plate 411 moves in the first direction, the first water spray head 461 can spray water on the baffle 45 in the second direction. When the compression plate 411 moves in the second direction, the second water spray head 462 can spray water on the baffle 45 in the first direction.The first water spray head 461 is provided with a first safety valve, and the second water spray head 462 is provided with a second safety valve to prevent the first water spray head 461 or the second water spray head 462 from leaking due to the weight of the water, so that water can be sprayed only when the set pressure of the first safety valve or the second safety valve is reached. On the basis of the mutual repulsion between the second electromagnet and the first electromagnet 53 and the obstruction and energy consumption of the fifth spring 52, the plug pin 51 on the limit block 5 is inserted into the plug socket 44. When the limit block 5 rotates along the third protective plate 4, the limit block 5 pushes the compression plate 411 to move in the air chamber. The movement of the compression plate 411 in the first direction can reduce the space of the first sub-chamber 401, and the movement of the compression plate 411 in the second direction can reduce the space of the second sub-chamber 402. When the compression plate 411 moves along the first direction, the first water spray head 461 can spray water on the baffle 45 along the second direction. When the compression plate 411 moves along the second direction, the second water spray head 462 can move along Water is sprayed on the baffle 45 in the first direction, thereby converting the impact energy of the impact object into water kinetic energy and slowly consuming it, and generating a thrust on the baffle 45 in the opposite direction to the movement direction of the limit block 5 pushing the compression plate 411, further consuming the impact energy and further achieving a buffering effect; before the plug pin 51 on the limit block 5 is inserted into the plug socket 44, when the limit block 5 rotates along the third protective plate 4, the distance between the limit block 5 and the first buffer components 3 on both sides of the limit block 5 remains unchanged, and the relative position of the limit block 5 and the first buffer components 3 on both sides of the limit block 5 remains unchanged, which is suitable for situations where the impact force is small; it should be noted that the number of the air chamber, the first water chamber 42, the second water chamber, the first water spray head 461, the second water spray head 462 and the baffle 45 can be determined in combination with actual use requirements, and their respective corresponding relationships preferably meet the above relationship; the first water chamber 42 and the second water chamber need to be regularly vented and watered.

[0051] As a more preferred implementation of this embodiment, the overall structure composed of the first protective plate 24, the second protective plate 25 and the positive and negative Poisson's ratio coupling structure 2 is set as a segmented structure. In this embodiment, the overall structure composed of the first protective plate 24, the second protective plate 25 and the positive and negative Poisson's ratio coupling structure 2 is divided into four sections, and there is a separation space between any two adjacent sections. A third electromagnet is set at both ends of each section so that there is a mutual repulsion between any two adjacent sections, so that the impact energy can be consumed through the mutual repulsion between any two adjacent sections.

[0052] As a more preferred implementation manner of this embodiment, the offshore wind turbine foundation anti-collision protection device provided by the present invention also includes at least three lifting assemblies, each of which is arranged around the mounting rail 1001; the lifting assembly includes a column 11, a sleeve 111 and a lifting drive device, the column 11 is used to be fixed on the offshore wind turbine foundation 1, the sleeve 111 is sleeved on the column 11, the sleeve 111 can move up or down along the column 11, the sleeve 111 is fixedly connected to the mounting rail 1001, the lifting drive device is transmission-connected to the sleeve 111, and the lifting drive device can provide power for the sleeve 111 to move up or down, so as to make the protective shell 1002, the first protective plate 24, the second protective plate 25, the third protective plate 4, the fourth protective plate 8, the positive and negative Poisson's ratio coupling structure 2, the first buffer assembly 3 and the second buffer assembly 7 move upward or downward as a whole, so as to meet the collision at a suitable height.

[0053] As a more preferred implementation scheme of this embodiment, the lifting drive device includes a fixed pulley 113 arranged on the top of the column 11, the upper end of the sleeve 111 is connected to the wire rope 112, the wire rope 112 passes around the fixed pulley 113, the fixed pulley 113 changes the direction of the force on the wire rope 112, and the wire rope 112 is driven by the lifting motor to drive the sleeve 111 to move up or down along the column 11. The lifting motor is controlled by a remote cloud controller, and the lifting motor is controlled by the remote cloud controller to control the sleeve 111 to move up or down along the column 11; the column 11 is connected to the offshore wind turbine foundation 1 using a flange 16 and a strut.

[0054] As a more preferred implementation of this embodiment, a circular ring buoy 9 is arranged under the first protective plate 24, the second protective plate 25 and the positive and negative Poisson's ratio coupling structure 2, so that the circular ring buoy 9 carries the protective shell 1002, the first protective plate 24, the second protective plate 25, the third protective plate 4, the fourth protective plate 8, the positive and negative Poisson's ratio coupling structure 2, the first buffer assembly 3 and the second buffer assembly 7 as a whole and moves up and down with changes in water level.

[0055] As a more preferred implementation manner of this embodiment, a third buffer assembly 6 is provided between the sleeve 111 and the third protective plate 4. The third buffer assembly 6 includes a connecting plate 61, a striker plate 62, a third slider, a third connecting rod 64, a second walking wheel 66, a hydraulic cylinder 67, a sixth spring and a seventh spring. The connecting plate 61 is fixedly connected to the sleeve 111. A sliding groove 63 is provided on the connecting plate 61. The third slider is provided in the sliding groove 63. The third slider can move along the sliding groove 63. The striker plate 62 is placed between the connecting plate 61 and the third protective plate 4. A second walking wheel 66 is provided on the striker plate 62. The second walking wheel 66 contacts the third protective plate 4. The second walking wheel 66 can roll along the third protective plate 4 movement; the cylinder body of the hydraulic cylinder 67 is fixedly connected to the impact plate 62, and the piston rod of the hydraulic cylinder 67 is fixedly connected to the connecting plate 61; one end of the third connecting rod 64 is hinged to the impact plate 62, and the other end of the third connecting rod 64 is hinged to the third slider; the sixth spring is sleeved on the outside of the piston rod of the hydraulic cylinder 67, one end of the sixth spring is fixedly connected to the connecting plate 61, and the other end of the sixth spring is fixedly connected to the cylinder body of the hydraulic cylinder 67; the seventh spring is arranged in the sliding groove 63, and the seventh spring can provide resistance for the third slider to move along the sliding groove 63, which can effectively reduce the impact energy reaching the offshore wind turbine foundation 1; in this embodiment, the hinge between the impact plate 62 and the third connecting rod 64 is connected by a universal conversion head 65.

[0056] As a more preferred implementation manner of this embodiment, the offshore wind turbine foundation anti-collision protection device provided by the present invention also includes a sway reduction and buffer assembly 10, which includes a shock-absorbing ball, a hoisting piece, a first telescopic ring 105, a second telescopic ring 104, a fixed ring 101, a plurality of hydraulic telescopic rods 102, a plurality of eighth springs 103 and a plurality of arc-shaped sliders 1051. The top end of the hoisting piece is used to be fixedly connected to the jacket platform 17 of the offshore wind turbine foundation 1, and the bottom end of the hoisting piece is fixedly connected to the shock-absorbing ball. The first telescopic ring 105, the second telescopic ring 104 and the fixed ring 101 are sequentially sleeved on the outside of the hoisting piece from the inside to the outside, and the fixed ring 101 is used to be fixedly connected to the offshore wind turbine foundation 1; each arc-shaped slider 1051 is arranged around the first telescopic ring 105, and the eighth spring 103 is connected to the arc-shaped slider 1051. Correspondingly, the eighth spring 103 is arranged along the radial direction of the second telescopic ring 104, one end of the eighth spring 103 is fixedly connected to the arc-shaped slider 1051, and the other end of the eighth spring 103 is fixedly connected to the second telescopic ring 104. The hydraulic telescopic rod 102 is arranged along the radial direction of the fixed ring 101, one end of the hydraulic telescopic rod 102 is fixedly connected to the second telescopic ring 104, and the other end of the hydraulic telescopic rod 102 is fixedly connected to the fixed ring 101. The energy of the impactor is consumed by the periphery and finally manifested as the shaking of the offshore wind turbine foundation 1. The final energy from the impactor is consumed by the shock-absorbing ball, the first telescopic ring 105, the second telescopic ring 104, the hydraulic telescopic rod 102 and the eighth spring 103, thereby slowing down the shaking of the offshore wind turbine foundation 1 and transferring the shaking of the offshore wind turbine foundation 1 to the shock-absorbing ball to protect the offshore wind turbine foundation 1.

[0057] As a more preferred implementation method of this embodiment, an antenna 15, a high-definition camera 12, a rangefinder 13 and a power unit 14 are provided on the offshore wind turbine foundation 1. The high-definition camera 12, the rangefinder 13 and the power unit 14 are all connected to the remote cloud controller through the antenna 15 for communication, so as to realize remote monitoring. The power unit 14 is connected to the rangefinder 13 and the high-definition camera 12 for transmission, so as to drive the rangefinder 13 and the high-definition camera 12 to change direction.

[0058] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. An offshore wind turbine foundation anti-collision protection device, characterized by: The invention comprises a mounting rail, a protective shell, a first protective plate, a second protective plate, a third protective plate and a fourth protective plate, wherein the mounting rail is used to be mounted on the outside of the offshore wind turbine foundation, the first protective plate, the second protective plate, the third protective plate and the fourth protective plate are all placed inside the protective shell, and the first protective plate, the second protective plate, the third protective plate and the fourth protective plate are sequentially mounted on the outside of the mounting rail from the outside to the inside; The first protective plate is capable of moving toward or away from the second protective plate, and a positive and negative Poisson's ratio coupling structure is fixedly filled between the first protective plate and the second protective plate; A plurality of first buffer components are provided between the second protective plate and the third protective plate, wherein the first ends of the first buffer components are fixedly connected to the second protective plate, and the second ends of the first buffer components are capable of rotating around the third protective plate; The third protective plate is movable toward or away from the fourth protective plate. A plurality of second buffer assemblies are provided between the third protective plate and the fourth protective plate. A first end of the second buffer assembly is fixedly connected to the third protective plate, and a second end of the second buffer assembly is fixedly connected to the fourth protective plate. The fourth protective plate is capable of rotating around the mounting rail.

2. The offshore wind turbine foundation anti-collision protection device according to claim 1 is characterized in that: The positive and negative Poisson's ratio coupling structure includes a plurality of positive and negative Poisson's ratio structure chimeric cell assemblies, each of the positive and negative Poisson's ratio structure chimeric cell assemblies is arranged in sequence around the second protective plate, one end of the positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the first protective plate, and the other end of the positive and negative Poisson's ratio structure chimeric cell assembly is abutted or fixedly connected to the second protective plate; the positive and negative Poisson's ratio structure chimeric cell assembly includes a plurality of positive and negative Poisson's ratio structure chimeric cells, and any one of the positive and negative Poisson's ratio structures is abutted or fixedly connected to the second protective plate. The positive and negative Poisson's ratio structural chimeric cells in the chimeric cell assembly are arranged in sequence from the outside to the inside, and the positive and negative Poisson's ratio structural chimeric cells include negative Poisson's ratio microcells and positive Poisson's ratio microcells, and the positive Poisson's ratio microcells are fixedly nested in the negative Poisson's ratio microcells; in the circumferential direction of the second protective plate, the negative Poisson's ratio microcells shrink from the two ends of the negative Poisson's ratio microcells to the middle of the negative Poisson's ratio microcells, and the positive Poisson's ratio microcells shrink from the middle of the positive Poisson's ratio microcells to the two ends of the positive Poisson's ratio microcells.

3. The offshore wind turbine foundation anti-collision protection device according to claim 1 is characterized in that: The mounting rail is placed between the third guard plate and the fourth guard plate, and a plurality of connecting sliders are fixedly provided on the outer side wall of the fourth guard plate, and the connecting slider is connected to the mounting rail, and the connecting slider can rotate along the mounting rail; the first guard plate is fixedly connected to the protective shell, and a plurality of upper rails and a plurality of lower rails are fixedly provided in the protective shell, the upper rail is placed above the second guard plate, and the lower rail is placed below the second guard plate, the top of the second guard plate has a plurality of upper protrusions, the upper protrusions correspond to the upper rails one by one, the upper protrusions extend into the upper rails, and the bottom of the second guard plate has a plurality of lower protrusions The cam is adapted to move along the guide rails of the second guard plate, and the cam is adapted to move along the guide rails of the second guard plate to move along the guide rails of the second guard plate.

4. The offshore wind turbine foundation anti-collision protection device according to claim 1 is characterized in that: The cam is connected to the second end of the first gear and the second end of the second gear is connected with the cam, and the cam is connected with the first end of the first gear and the second end of the second gear is connected with the cam. The cam is connected to the second end of the movable frame by the spring, and the other end of the spring is fixedly connected to the second end of the fixed frame; the first walking wheel and the driving device are both provided on the outer movable frame, the first walking wheel contacts the third guard plate and can roll along the third guard plate, the driving device corresponds to the first walking wheel one-to-one, the driving device is transmitted to the first walking wheel, and the driving device can drive the first walking wheel to roll along the third guard plate; the second buffer assembly includes a first mounting seat, a second mounting seat, a buffer spring and a plurality of elastic rods, the first mounting seat is fixedly connected to the third guard plate, the second mounting seat is fixedly connected to the fourth guard plate, one end of the buffer spring and one end of each elastic rod are fixedly connected to the first mounting seat, the other end of the buffer spring and the other end of each elastic rod are fixedly connected to the second mounting seat, and each elastic rod is arranged around the buffer spring.

5. The offshore wind turbine foundation anti-collision protection device according to claim 4 is characterized in that: The first energy dissipation component includes a first guide rail, a first slider, a first connecting rod, a first intermediate connecting block, a second connecting rod, a second slider and a second guide rail. The first guide rail is fixedly provided on the intermediate movable plate. The first slider is provided in the first guide rail and can slide in the first guide rail. The second guide rail is fixedly provided on the first end of the fixed frame. The second slider is provided in the second guide rail and can slide in the second guide rail. The first intermediate connecting block is placed between the intermediate movable plate and the first end of the fixed frame. One end of the first connecting rod is hinged to the first intermediate connecting block, the other end of the first connecting rod is hinged to the first slider, one end of the second connecting rod is hinged to the first intermediate connecting block, and the other end of the second connecting rod is hinged to the second slider. A second spring is provided in the first guide rail and can provide resistance to the movement of the first slider. A third spring is provided in the second guide rail and can provide resistance to the movement of the second slider. A fourth spring is provided between the first intermediate connecting block and the first end of the intermediate movable plate and the fixed frame and can provide resistance to the movement of the first intermediate connecting block.

6. The offshore wind turbine foundation anti-collision protection device according to claim 1, characterized in that: At least one limit block is provided between the second protective plate and the third protective plate, and the limit block can rotate along the third protective plate. The first buffer components are provided on both sides of the limit block, and a buffer space is left between the limit block and the first buffer components on both sides of the limit block. A first electromagnet is provided on the limit block, and a second electromagnet is provided on the first buffer components on both sides of the limit block. There is a repulsive force between the second electromagnet and the first electromagnet; a fifth spring is provided between the limit block and the first electromagnet, and the fifth spring can provide resistance for the first electromagnet to move toward the limit block.

7. The offshore wind turbine foundation anti-collision protection device according to claim 6, characterized in that: The interior of the third protective plate comprises an air chamber, a first water chamber and a second water chamber, the air chamber is placed above the first water chamber and the second water chamber, a compression plate is provided in the air chamber, the compression plate divides the air chamber into a first chamber and a second chamber, the compression plate can move in the air chamber, the compression plate can reduce the space of the first chamber by moving in a first direction, and can reduce the space of the second chamber by moving in a second direction, the second direction is opposite to the first direction, a one-way air intake valve is fixedly provided on the side wall of the first chamber and the side wall of the second chamber, a first air transfer channel is provided between the first chamber and the first water chamber, a second air transfer channel is provided between the second chamber and the second water chamber, a one-way exhaust valve is fixedly provided in the first air transfer channel and the second air transfer channel; a compression rod is fixedly provided on the compression plate, the first end of the compression rod Extending out of the air chamber, the first end of the compression rod is fixedly provided with a socket; the limit block is provided with a socket pin and a release and retraction device, the socket pin can be inserted into the socket, the release and retraction device is transmission-connected with the socket pin, and the release and retraction device can provide power for the socket pin to be inserted into or leave the socket; the bottom of the third protective plate is fixedly provided with a first water spray head, a second water spray head and a baffle, the baffle is placed between the first water spray head and the second water spray head, the first water spray head is connected to the first water chamber, when the compression plate moves along the first direction, the first water spray head can spray water on the baffle along the second direction, when the compression plate moves along the second direction, the second water spray head can spray water on the baffle along the first direction; the first water spray head is provided with a first safety valve, and the second water spray head is provided with a second safety valve.

8. The offshore wind turbine foundation anti-collision protection device according to claim 1, characterized in that: It also includes at least three lifting assemblies, each of which is arranged around the mounting rail; the lifting assembly includes a column, a sleeve and a lifting drive device, the column is used to be fixed on the offshore wind turbine foundation, the sleeve is sleeved on the column, the sleeve can move up or down along the column, the sleeve is fixedly connected to the mounting rail, the lifting drive device is transmission-connected to the sleeve, and the lifting drive device can provide power for the sleeve to move up or down.

9. The offshore wind turbine foundation anti-collision protection device according to claim 8, characterized in that: The third buffer assembly is provided between the sleeve and the third protective plate, and the third buffer assembly includes a connecting plate, a striker plate, a third slider, a third connecting rod, a second walking wheel, a hydraulic cylinder, a sixth spring and a seventh spring, the connecting plate is fixedly connected to the sleeve, a sliding groove is provided on the connecting plate, the third slider is provided in the sliding groove, and the third slider can move along the sliding groove, the striker plate is placed between the connecting plate and the third protective plate, and the second walking wheel is provided on the striker plate, the second walking wheel contacts the third protective plate, and the second walking wheel can can roll along the third protective plate; the cylinder body of the hydraulic cylinder is fixedly connected to the impact plate, and the piston rod of the hydraulic cylinder is fixedly connected to the connecting plate; one end of the third connecting rod is hinged to the impact plate, and the other end of the third connecting rod is hinged to the third slider; the sixth spring is sleeved on the outside of the piston rod of the hydraulic cylinder, one end of the sixth spring is fixedly connected to the connecting plate, and the other end of the sixth spring is fixedly connected to the cylinder body of the hydraulic cylinder; the seventh spring is arranged in the sliding groove, and the seventh spring can provide resistance for the third slider to move along the sliding groove.

10. The offshore wind turbine foundation anti-collision protection device according to claim 1, characterized in that: The cam is adapted to move the spring member to a position where it can move relative to the support frame, and the cam is adapted to move relative to the support frame when the cam is in motion.

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