Offshore wind generating set

Abstract

The invention belongs to the field of wind power generation, and particularly relates to an offshore wind generating set. The upper end of the tower drum is provided with a generator which is connected with blades; the climbing assembly moves up and down along the tower drum, the positioning assembly is connected with the climbing assembly and used for being detachably connected with the tower drum, and the cleaning assembly is connected with the positioning assembly and used for cleaning the outer side wall of the tower drum. The climbing assembly is used for climbing to the specified height of the tower drum, the cleaning assembly is fixed to the tower drum through the positioning assembly so that the stability of the cleaning assembly can be guaranteed, the outer side wall of the tower drum can be cleaned through the cleaning assembly, manual climbing of the tower drum is not needed, manpower is saved, and potential safety hazards are reduced. And the climbing assembly, the positioning assembly and the cleaning assembly are not directly connected with the tower drum and can be detached according to needs, so that the contact area between the typhoon and the tower drum is reduced, and the tower drum is prevented from being blown down by the typhoon.

Description

Technical Field

[0001] The present invention belongs to the field of wind power generation, and particularly relates to an offshore wind turbine generator set. Background Art

[0002] Wind power generation refers to converting the kinetic energy of the wind into electrical energy. The device required for wind power generation is called a wind turbine generator set, which generally can be divided into three parts: blades, a generator, and a tower barrel. Among them, offshore wind power generation is to arrange the wind turbine generator set on the ocean to convert the offshore wind energy into electrical energy. During use, the outer wall of the tower barrel of the wind turbine arranged on the ocean is exposed for a long time, and seawater, oil stains, etc. will accumulate on the tower barrel, which may cause corrosion to the tower barrel and damage to the outer wall of the tower barrel, and it is necessary to regularly clean the outer wall of the tower barrel.

[0003] However, in the prior art, it is usually necessary to manually clean the tower barrel, which is difficult to clean and has potential safety hazards. Therefore, it is very necessary to design an offshore wind turbine generator set to solve the above problems. Summary of the Invention

[0004] In view of the above problems, the present invention provides an offshore wind turbine generator set to solve the problems raised in the above background art.

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

[0006] An offshore wind turbine generator set, comprising blades, a generator, a tower barrel, a climbing assembly, a positioning assembly, and a cleaning assembly. The generator is installed at the upper end of the tower barrel, and the blades are connected to the generator.

[0007] The climbing assembly moves in the up and down direction along the tower barrel. The positioning assembly is connected to the climbing assembly and is used for detachably connecting with the tower barrel. The cleaning assembly is connected to the positioning assembly and is used for cleaning the outer side wall of the tower barrel.

[0008] Further, positioning grooves are formed on the tower barrel. There are a plurality of the positioning grooves, and the plurality of positioning grooves are sequentially distributed along the axial direction of the tower barrel.

[0009] The positioning assembly includes a positioning mechanism and a plugging mechanism. There are two positioning mechanisms, one positioning mechanism is located above the other positioning mechanism. The cleaning assembly is connected to the positioning mechanism. There are two plugging mechanisms, and one plugging mechanism is connected to each of the two positioning mechanisms. The plugging mechanism is used for inserting into the positioning groove.

[0010] The climbing assembly includes a first cylinder, the first cylinder is arranged in the up and down direction, one end of the first cylinder is connected to the lower positioning mechanism, and the other end is connected to the upper positioning mechanism.

[0011] Furthermore, two sets of the positioning components are provided, and the positioning components are set to have a semi-circular ring profile. The two sets of the positioning components are symmetrically distributed on both sides of the tower barrel.

[0012] Furthermore, the positioning mechanism includes a positioning ring, a support member, and a first gear. The positioning component further includes a driving mechanism. The positioning ring is connected to the support member. The first gear is located between the positioning ring and the support member. The driving mechanism is in transmission connection with the first gear. The cleaning component is connected to the first gear. The first gear is set to be annular and coaxially distributed with the tower barrel; the first cylinder is connected to the positioning ring.

[0013] Furthermore, a plurality of the driving mechanisms are provided, and the plurality of the driving mechanisms are circumferentially distributed on the positioning ring.

[0014] Furthermore, the driving mechanism includes a mounting seat, a motor, and a second gear. The mounting seat is connected to the positioning ring. The motor is connected to the mounting seat. The motor is in transmission connection with the second gear. The inner side wall of the first gear has serrations. The second gear is located inside the first gear and meshes with the first gear.

[0015] Furthermore, the cleaning component includes a second cylinder and a cleaning brush. The second cylinder is connected to the first gear. The first gear is coaxially distributed with the tower barrel. The second cylinder is in transmission connection with the cleaning brush and is used to drive the cleaning brush to move along the radial direction of the first gear. The cleaning brush acts on the outer side wall of the tower barrel.

[0016] Furthermore, a plurality of the cleaning components are provided, and the plurality of the cleaning components are all connected to the first gear.

[0017] Furthermore, the plugging mechanism includes a third cylinder and a plugging block. The third cylinder is connected to the positioning ring. The third cylinder is in transmission connection with the plugging block and is used to drive the plugging block to move along the radial direction of the positioning ring. The plugging block is used to be inserted into the positioning groove.

[0018] Furthermore, the generator includes a box body, a box cover, and a planet carrier. The box body is connected to the upper end of the tower barrel. The planet carrier is installed in the box body. The box cover is installed on the box body.

[0019] The technical effects and advantages of the present invention:

[0020] 1. It can climb to a specified height of the tower barrel by using the climbing component, fix the cleaning component on the tower barrel by using the positioning component to ensure the stability of the cleaning component, and can clean the outer wall of the tower barrel by using the cleaning component, without the need for manual climbing of the tower barrel, saving manpower and reducing potential safety hazards.

[0021] 2. The climbing component, positioning component and cleaning component itself are not directly connected to the tower barrel and can be disassembled as needed to reduce the contact area between the typhoon and the tower barrel and prevent the typhoon from blowing down the tower barrel.

[0022] Other features and advantages of the present invention will be described in the following specification, and part of them will become obvious from the specification or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained through the means pointed out in the specification and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for describing the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 Shows a schematic structural diagram of an offshore wind turbine in an embodiment of the present invention;

[0025] Figure 2 Shows a schematic structural diagram of the climbing component, positioning component and cleaning component in an embodiment of the present invention;

[0026] Figure 3 Shows a first usage state diagram of the climbing component, positioning component and cleaning component in an embodiment of the present invention;

[0027] Figure 4 Shows a second usage state diagram of the climbing component, positioning component and cleaning component in an embodiment of the present invention;

[0028] Figure 5 Shows a partial schematic structural diagram of the climbing component, positioning component and cleaning component in an embodiment of the present invention;

[0029] Figure 6 Shows a schematic structural diagram of the cleaning component and the driving mechanism in an embodiment of the present invention;

[0030] Figure 7 Shows a schematic structural diagram of the generator in an embodiment of the present invention.

[0031] Reference numerals: 1, blade; 2, generator; 3, tower barrel; 4, climbing assembly; 5, positioning assembly; 6, cleaning assembly; 7, positioning groove; 8, positioning mechanism; 9, plugging mechanism; 10, positioning ring; 11, support member; 12, first gear; 13, driving mechanism; 14, mounting seat; 15, motor; 16, second gear; 17, second cylinder; 18, cleaning brush; 19, third cylinder; 20, plugging block; 21, box body; 22, box cover; 23, planet carrier. Detailed implementation manners

[0032] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] The positive direction of the X-axis is the front, the negative direction of the X-axis is the rear, the positive direction of the Y-axis is the left, the negative direction of the Y-axis is the right, the positive direction of the Z-axis is the upper, and the negative direction of the Z-axis is the lower.

[0034] As Figures 1 to 4 shown, an offshore wind power generation unit according to an embodiment of the present invention includes a blade 1, a generator 2, a tower barrel 3, a climbing assembly 4, a positioning assembly 5 and a cleaning assembly 6. The generator 2 is installed at the upper end of the tower barrel 3, and the blade 1 is connected to the generator 2.

[0035] The climbing assembly 4 moves in the up and down direction along the tower barrel 3. The positioning assembly 5 is connected to the climbing assembly 4 and is used for detachably connecting to the tower barrel 3. The cleaning assembly 6 is connected to the positioning assembly 5 and is used for cleaning the outer side wall of the tower barrel 3.

[0036] Since the tower barrel 3 is vertically arranged, when the outer wall of the tower barrel 3 needs to be cleaned, it is difficult for workers to climb the tower barrel 3 manually, making it difficult to clean the tower barrel 3. In this embodiment, the climbing component 4 climbs along the axial direction of the tower barrel 3. When climbing to the height that needs to be cleaned, the positioning component 5 is used to connect to the tower barrel 3 to maintain the stability of the positioning component 5 and the climbing component 4. Then, the cleaning component 6 is used to clean the tower barrel 3 at this height, which is beneficial to removing oil stains, marine corrosion substances, etc. on the outer wall of the tower barrel 3. Thus, the climbing component 4 can be used to climb to the designated height of the tower barrel 3, the positioning component 5 is used to fix the cleaning component 6 on the tower barrel 3 to ensure the stability of the cleaning component 6, and the cleaning component 6 can be used to clean the outer wall of the tower barrel 3 without manual climbing of the tower barrel 3, saving manpower and reducing potential safety hazards. Secondly, the climbing component 4, the positioning component 5, and the cleaning component 6 itself are not directly connected to the tower barrel 3 and can be disassembled as needed. For example, in typhoon weather, the height of the cleaning component 6 can be reduced by using the climbing component 4 and the positioning component 5 to lower the overall center height of the offshore wind turbine generator. Or when the cleaning component 6 is adjusted to the lower end of the tower barrel 3 by using the climbing component 4, the positioning component 5 is separated from the tower barrel 3 to remove the climbing component 4, the positioning component 5, and the cleaning component 6 from the tower barrel 3 to reduce the contact area between the typhoon and the tower barrel 3 and prevent the typhoon from knocking down the tower barrel 3.

[0037] Optionally, as Figures 2 to 5 shown, a positioning groove 7 is formed on the tower barrel 3, and a plurality of the positioning grooves 7 are provided and are sequentially distributed along the axial direction of the tower barrel 3;

[0038] The positioning component 5 includes a positioning mechanism 8 and a plugging mechanism 9. Two positioning mechanisms 8 are provided, one positioning mechanism 8 is located above the other positioning mechanism 8, the cleaning component 6 is connected to the positioning mechanism 8, two plugging mechanisms 9 are provided, and one plugging mechanism 9 is connected to each of the two positioning mechanisms 8. The plugging mechanism 9 is used to be inserted into the positioning groove 7;

[0039] The climbing component 4 includes a first cylinder, the first cylinder is arranged in the up and down direction, one end of the first cylinder is connected to the lower positioning mechanism 8, and the other end is connected to the upper positioning mechanism 8.

[0040] In this embodiment, the tower barrel 3 is divided into multiple barrels of the same height. Taking two adjacent barrels at both ends as an example, they are the first barrel and the second barrel respectively, and the first barrel is below the second barrel. The first barrel and the second barrel are each provided with two positioning grooves 7 at the lower, middle, and upper parts in sequence from bottom to top. In the first barrel, when the lower insertion mechanism 9 is inserted into the lower positioning groove 7, the lower positioning mechanism 8 is connected to the lower insertion mechanism 9, and the lower cleaning component 6 is connected to the lower positioning mechanism 8, then the lower positioning mechanism 8 and the lower cleaning component 6 can be kept stable relative to the first barrel. Secondly, when the lower positioning mechanism 8 is stable, the upper positioning mechanism 8 is pushed upward by the first cylinder until the upper insertion mechanism 9 can be inserted into the upper positioning groove 7, and when the upper positioning mechanism 8 is connected to the upper insertion mechanism 9, the upper positioning mechanism 8 and the upper cleaning component 6 can be kept stable relative to the first barrel. Thus, by inserting the lower insertion mechanism 9 into the lower positioning groove 7 and inserting the upper insertion mechanism 9 into the upper positioning groove 7, the stability of the upper positioning mechanism 8 and the lower positioning mechanism 8, as well as the cleaning component 6 connected to the upper positioning mechanism 8 and the lower positioning mechanism 8 relative to the first barrel can be ensured. The lower part of the first barrel can be cleaned by the lower cleaning component 6, and the upper part of the first barrel can be cleaned by the upper cleaning component 6. In addition, when it is necessary to climb onto the second barrel. The lower insertion mechanism 9 is pulled out from the lower positioning groove 7 of the first barrel, and the lower positioning mechanism 8 is driven upward by the first cylinder until the lower insertion mechanism 9 can be inserted into the middle positioning groove 7 of the first barrel, and the middle part of the first barrel can be cleaned by the lower cleaning component 6 to avoid incomplete cleaning; the upper insertion mechanism 9 is pulled out from the upper positioning groove 7 of the first barrel, and the upper positioning mechanism 8 is driven upward by the first cylinder until the upper insertion mechanism 9 can be inserted into the lower positioning groove 7 of the second barrel. Then the lower insertion mechanism 9 is pulled out from the middle positioning groove 7 of the first barrel, and the lower positioning mechanism 8 is driven upward by the first cylinder until the lower insertion mechanism 9 can be inserted into the upper positioning groove 7 of the first barrel. The upper insertion mechanism 9 is pulled out from the lower positioning groove 7 of the second barrel, and the upper positioning mechanism 8 is driven upward by the first cylinder until the upper insertion mechanism 9 can be inserted into the middle positioning groove 7 of the second barrel. Finally, the lower insertion mechanism 9 is pulled out from the upper positioning groove 7 of the first barrel, and the lower positioning mechanism 8 is driven upward by the first cylinder until the lower insertion mechanism 9 can be inserted into the lower positioning groove 7 of the second barrel, and the upper positioning mechanism 8 is driven upward by the first cylinder until the upper insertion mechanism 9 can be inserted into the upper positioning groove 7 of the second barrel. Thus, by providing the middle positioning groove 7, the climbing height of the first cylinder each time can be reduced, the use of a first cylinder with a large length can be avoided, which is beneficial to reducing the climbing difficulty and facilitating driving the cleaning component 6 to different heights of the tower barrel 3.

[0041] Optionally, as shown in Figure 2 and Figure 4 shown, two sets of the positioning assemblies 5 are provided, and the positioning assembly 5 is set to a semi-circular ring profile. The two sets of the positioning assemblies 5 are symmetrically distributed on both sides of the tower barrel 3.

[0042] In this embodiment, in order to clean the outer wall of the tower barrel 3, the positioning assembly 5 is usually set to a circular ring to facilitate the cleaning assembly 6 to clean around the tower barrel 3. However, if the positioning assembly 5 is set to a circular ring, it is difficult to install the positioning assembly 5 on the tower barrel 3 and also difficult to remove the positioning assembly 5 from the tower barrel 3. By setting the positioning assembly 5 to a semi-circular ring, that is, the inner sides of the two positioning assemblies 5 face each other, so that the two positioning assemblies 5 are respectively located on the front and back sides of the tower barrel 3, and positioning grooves 7 are provided on both the front and back sides of the tower barrel 3. The left positioning assembly 5 and the right positioning assembly 5 both include two semi-circular ring-shaped positioning mechanisms 8, and each positioning mechanism 8 is correspondingly connected with a plugging mechanism 9. Then, the left positioning mechanism 8 and the right mechanism are respectively connected with the tower barrel 3 through the left plugging mechanism 9 and the right plugging mechanism 9. Thus, the two positioning assemblies 5 can be respectively arranged on the front and back sides of the tower barrel 3 to be installed and disassembled with the positioning grooves 7 on both the front and back sides of the tower barrel 3, which is beneficial to reducing the installation and disassembly difficulty of the positioning assembly 5.

[0043] Optionally, as shown in Figure 5 and Figure 6 shown, the positioning mechanism 8 includes a positioning ring 10, a support member 11 and a first gear 12. The positioning assembly 5 further includes a driving mechanism 13. The positioning ring 10 is connected with the support member 11. The first gear 12 is located between the positioning ring 10 and the support member 11. The driving mechanism 13 is in transmission connection with the first gear 12. The cleaning assembly 6 is connected with the first gear 12. The first gear 12 is set to be annular and coaxially distributed with the tower barrel 3; the first cylinder is connected with the positioning ring 10.

[0044] Specifically, multiple first cylinders are provided. For example, three first cylinders can be provided.

[0045] In this embodiment, the first cylinder is used to drive the positioning ring 10 to move up and down to drive the positioning mechanism 8 to move up or down. Secondly, the driving mechanism 13 is used to drive the first gear 12 to rotate, drive the first gear 12 to rotate, and drive the cleaning assembly 6 on the first gear 12 to rotate relative to the tower barrel 3 to clean the outer wall of the tower barrel 3.

[0046] Secondly, since the positioning component 5 is arranged in a semi-circular ring shape, that is, the positioning ring 10, the support member 11, and the first gear 12 are all arranged in a semi-circular ring shape, a section of support plate extends inward along the radial direction on the side of the support member 11 away from the positioning ring 10. Among them, when the front and rear positioning components 5 are at the same height, the front and rear positioning rings 10 are combined into a circular positioning structure, and the front and rear support members 11 are combined into a circular support structure, that is, the circular positioning structure and the circular support structure can limit the two semi-circular ring-shaped first gears 12, which can ensure the stability of the first gear 12 during rotation.

[0047] Optionally, a plurality of the driving mechanisms 13 are provided, and the plurality of driving mechanisms 13 are distributed around the positioning ring 10 in a surrounding manner.

[0048] In this embodiment, specifically, two driving mechanisms 13 are provided, and two driving mechanisms 13 are symmetrically distributed left and right on each positioning ring 10. The two driving mechanisms 13 can be used to drive the first gear 12 simultaneously, which can provide a large enough acting force to drive the first gear 12 to rotate, facilitating driving the cleaning component 6 connected to the first gear 12 to rotate relative to the tower barrel 3 to clean the tower barrel 3.

[0049] Optionally, as Figure 5 and Figure 6 shown, the driving mechanism 13 includes a mounting seat 14, a motor 15, and a second gear 16. The mounting seat 14 is connected to the positioning ring 10, the motor 15 is connected to the mounting seat 14, the motor 15 is in transmission connection with the second gear 16, the inner side wall of the first gear 12 has serrations, and the second gear 16 is located inside the first gear 12 and meshes with the first gear 12.

[0050] In this embodiment, the axial direction of the second gear 16 is parallel to the axial direction of the first gear 12. The motor 15 is in transmission connection with the second gear 16 to drive the second gear 16 to rotate, and the second gear 16 meshes with the first gear 12 to drive the first gear 12 to rotate. Secondly, by providing the mounting seat 14, the mounting seat 14 can be connected to the positioning ring 10 by welding or bolts, and the motor 15 can be connected to the mounting seat 14 by welding or bolts, which can facilitate the connection of the mounting seat 14.

[0051] Optionally, as Figure 5 and Figure 6 shown, the cleaning component 6 includes a second cylinder 17 and a cleaning brush 18. The second cylinder 17 is connected to the first gear 12, the first gear 12 and the tower barrel 3 are coaxially distributed, the second cylinder 17 is in transmission connection with the cleaning brush 18 and is used to drive the cleaning brush 18 to move along the radial direction of the first gear 12, and the cleaning brush 18 acts on the outer side wall of the tower barrel 3.

[0052] In this embodiment, since the size of the tower barrel 3 gradually decreases from bottom to top, as the height of the cleaning assembly 6 is adjusted, the length of the cleaning assembly 6 needs to be adjusted. By using the second cylinder 17 to drive the cleaning brush 18 to move in the radial direction of the first gear 12, and the first gear 12 is coaxially distributed with the tower barrel 3, the distance between the cleaning brush 18 and the outer wall of the tower barrel 3 can be adjusted by using the second cylinder 17, so as to facilitate the cleaning of the outer wall of the tower barrel 3 by the cleaning brush 18.

[0053] Optionally, a plurality of the cleaning assemblies 6 are provided, and the plurality of cleaning assemblies 6 are all connected to the first gear 12.

[0054] In this embodiment, specifically, three cleaning assemblies 6 are connected to the first gear 12. One cleaning assembly 6 is located between the two driving mechanisms 13, and the two cleaning assemblies 6 are symmetrically distributed on the left and right sides of the first gear 12. That is, the first gear 12 can be used to drive the three cleaning assemblies 6 to rotate simultaneously during rotation, and the three cleaning assemblies 6 can be used to clean a part of the tower barrel 3 respectively. In order to avoid the collision between the cleaning assembly 6 and the driving mechanism 13, after the first gear 12 rotates a certain angle, the driving mechanism 13 is used to rotate in the reverse direction.

[0055] Optionally, as Figure 5 shown, the plugging mechanism 9 includes a third cylinder 19 and a plugging block 20. The third cylinder 19 is connected to the positioning ring 10. The third cylinder 19 is in transmission connection with the plugging block 20 and is used to drive the plugging block 20 to move in the radial direction of the positioning ring 10. The plugging block 20 is used to insert into the positioning groove 7.

[0056] In this embodiment, the third cylinder 19 is used to drive the plugging block 20 to move inward in the radial direction of the positioning ring 10 to drive the plugging block 20 to insert into the positioning groove 7. The third cylinder 19 can also be used to drive the plugging block 20 to move outward in the radial direction of the positioning ring 10 to drive the plugging block 20 to disengage from the positioning groove 7.

[0057] Optionally, as Figure 1 and Figure 7 shown, the generator 2 includes a box body 21, a box cover 22 and a planet carrier 23. The box body 21 is connected to the upper end of the tower barrel 3. The planet carrier 23 is installed in the box body 21. The box cover 22 is installed on the box body 21.

[0058] In this embodiment, by setting the generator 2 to include a structure of a box body 21, a box cover 22 and a planet carrier 23, a corresponding gear structure can be installed on the planet carrier 23, then the gear structure can be arranged in the box body 21, and finally the box cover 22 can be installed on the box body 21, which is convenient for the installation of the generator 2.

[0059] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An offshore wind power generating set, characterized in that, It includes a blade (1), a generator (2), a tower barrel (3), a climbing assembly (4), a positioning assembly (5) and a cleaning assembly (6). The generator (2) is installed at the upper end of the tower barrel (3), and the blade (1) is connected to the generator (2); the climbing assembly (4) moves in the up and down direction along the tower barrel (3), the positioning assembly (5) is connected to the climbing assembly (4) and is used for detachably connecting with the tower barrel (3), and the cleaning assembly (6) is connected to the positioning assembly (5) and is used for cleaning the outer wall of the tower barrel (3).

2. The offshore wind power generating set according to claim 1, characterized in that A positioning groove (7) is formed in the tower barrel (3), and a plurality of the positioning grooves (7) are provided. The plurality of the positioning grooves (7) are sequentially distributed along the axial direction of the tower barrel (3); the positioning assembly (5) includes a positioning mechanism (8) and a plugging mechanism (9). Two positioning mechanisms (8) are provided. One positioning mechanism (8) is located above the other positioning mechanism (8). The cleaning assembly (6) is connected to the positioning mechanism (8). Two plugging mechanisms (9) are provided. One plugging mechanism (9) is connected to each of the two positioning mechanisms (8). The plugging mechanism (9) is used for inserting into the positioning groove (7); the climbing assembly (4) includes a first cylinder, the first cylinder is arranged in the up and down direction, one end of the first cylinder is connected to the lower positioning mechanism (8), and the other end is connected to the upper positioning mechanism (8).

3. The offshore wind power generating set according to claim 2, characterized in that, Two groups of the positioning assemblies (5) are provided, and the positioning assembly (5) is set to have a semi-circular ring profile. The two groups of the positioning assemblies (5) are symmetrically distributed on both sides of the tower barrel (3).

4. The offshore wind power generating set according to claim 2, wherein, The positioning mechanism (8) includes a positioning ring (10), a support member (11) and a first gear (12). The positioning assembly (5) further includes a driving mechanism (13). The positioning ring (10) is connected to the support member (11). The first gear (12) is located between the positioning ring (10) and the support member (11). The driving mechanism (13) is in transmission connection with the first gear (12). The cleaning assembly (6) is connected to the first gear (12). The first gear (12) is set to be annular and coaxially distributed with the tower barrel (3); the first cylinder is connected to the positioning ring (10).

5. The offshore wind turbine according to claim 4, characterized in that, A plurality of the driving mechanisms (13) are provided, and the plurality of the driving mechanisms (13) are circumferentially distributed on the positioning ring (10).

6. The offshore wind turbine according to claim 4, wherein, The driving mechanism (13) includes a mounting seat (14), a motor (15) and a second gear (16). The mounting seat (14) is connected to the positioning ring (10). The motor (15) is connected to the mounting seat (14). The motor (15) is in transmission connection with the second gear (16). The inner side wall of the first gear (12) has sawteeth. The second gear (16) is located inside the first gear (12) and meshes with the first gear (12).

7. The offshore wind power generating set according to claim 6, wherein, The cleaning component (6) includes a second cylinder (17) and a cleaning brush (18). The second cylinder (17) is connected to the first gear (12). The first gear (12) is coaxially distributed with the tower barrel (3). The second cylinder (17) is drivingly connected to the cleaning brush (18) and is used to drive the cleaning brush (18) to move along the radial direction of the first gear (12). The cleaning brush (18) acts on the outer side wall of the tower barrel (3).

8. The offshore wind power generating set according to claim 4, characterized in that, A plurality of the cleaning components (6) are provided, and the plurality of cleaning components (6) are all connected to the first gear (12).

9. The offshore wind turbine according to claim 4, characterized in that, The plugging mechanism (9) includes a third cylinder (19) and a plugging block (20). The third cylinder (19) is connected to the positioning ring (10). The third cylinder (19) is drivingly connected to the plugging block (20) and is used to drive the plugging block (20) to move along the radial direction of the positioning ring (10). The plugging block (20) is used to be inserted into the positioning groove (7).

10. The offshore wind power generating set according to claim 1, characterized in that, The generator (2) includes a box body (21), a box cover (22) and a planet carrier (23). The box body (21) is connected to the upper end of the tower barrel (3). The planet carrier (23) is installed in the box body (21). The box cover (22) is installed on the box body (21).

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