CTV channel platform system suitable for wind power operation and maintenance ship

Abstract

The invention relates to a CTV channel platform system suitable for a wind power operation and maintenance ship. One end of the fixed section assembly in the length direction is rotationally connected to a ship body bulkhead of the wind power operation and maintenance ship; the rotation driving assembly is installed on the bulkhead of the ship body and used for driving the fixed section assembly to rotate so as to achieve lifting of the fixed section assembly; the locking assembly comprises a locking rod which is arranged on the fixed section assembly and stretches out and draws back in the width direction of the fixed section assembly; the limiting assembly comprises a plurality of locking holes which correspond to the rotating track of the locking rod and are distributed in an arc shape; the telescopic section assembly is movably connected to the fixed section assembly and can do telescopic motion in the length direction relative to the fixed section assembly; and the telescopic driving assembly is used for driving the telescopic section assembly to stretch out and draw back in the length direction of the fixed section assembly. The safety of workers when the workers get on and off the ship is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of ship equipment, and in particular to a CTV channel platform system suitable for a wind power operation and maintenance ship. Background Art

[0002] In recent years, as the offshore distance of newly built offshore wind farms in my country continues to increase, the sea conditions around wind farms have become more complex, and ordinary wind power operation and maintenance ships have gradually become unable to meet the special requirements of strong winds and waves, long distances, and changeable climates. In this case, larger, more advanced, and safer wind power operation and maintenance ships have been designed.

[0003] The main function of a wind power operation and maintenance vessel is to transport maintenance equipment for wind power equipment installed on the sea surface. It is a special vessel for maintenance personnel. The main function of a Crew Transfer Vessel (CTV) is to transport wind power equipment maintenance personnel to a wind power operation and maintenance vessel. Maintenance personnel board the wind power operation and maintenance vessel from the Crew Transfer Vessel via the CTV channel platform system installed on the wind power operation and maintenance vessel. Therefore, the CTV channel platform system is a boarding device designed specifically for wind power operation and maintenance vessels.

[0004] Conventional ships usually install a gangway on the port or starboard side to facilitate the boarding and disembarking of crew members or staff. When the crew needs to board the ship, the gangway is moved from the deck to the outside of the ship and lowered to a certain height. However, when the crew is boarding or disembarking, they are always on the outside of the ship. When the ship is sailing or in strong winds and waves, it is very easy to cause the tragedy of the crew falling into the sea. Therefore, this type of gangway is often used when the ship is stationary at the dock. Wind power operation and maintenance vessels sail between wind farms most of the time, and wind power maintenance personnel are often transported to the ship by CTV work boats when the wind power operation and maintenance ships are sailing. Therefore, there is an urgent need to provide a safer and more reliable crew boarding access platform for wind power operation and maintenance ships. Summary of the invention

[0005] To this end, the present invention provides a CTV channel platform system suitable for a wind power operation and maintenance vessel, which ensures the safety of workers when getting on and off the vessel.

[0006] In order to solve the above technical problems, the present invention provides a CTV channel platform system suitable for a wind power operation and maintenance vessel, comprising: A fixed section assembly, one end of which in the length direction is rotatably connected to the hull bulkhead of the wind power operation and maintenance vessel; A rotation drive assembly, mounted on the hull bulkhead and used to drive the rotation of the fixed section assembly to achieve lifting and lowering of the fixed section assembly; A locking assembly, comprising a locking rod disposed on the fixing section assembly and extending in a width direction of the fixing section assembly; The limiting assembly includes a plurality of locking holes arranged corresponding to the rotation track of the locking rod and distributed in an arc shape, and when the fixed section assembly is rotated to a predetermined angle, the locking rod can extend into the corresponding locking hole to achieve locking; A telescopic section assembly, movably connected to the fixed section assembly and capable of telescopic movement along the length direction relative to the fixed section assembly; The telescopic driving assembly is used to drive the telescopic section assembly to telescope along the length direction of the fixed section assembly.

[0007] In one embodiment of the present invention, the hull bulkhead is connected with a hinge ear plate, and one end of the fixed section assembly in the length direction is provided with a connecting shaft rotatably connected to the hinge ear plate.

[0008] In one embodiment of the present invention, the rotation drive assembly includes a lifting hydraulic cylinder base, a lifting hydraulic cylinder, a lifting hydraulic cylinder sensor, a lifting hydraulic cylinder base pin shaft, and a lifting hydraulic cylinder pin shaft; The lifting hydraulic cylinder base is connected to the hull bulkhead, the telescopic end of the lifting hydraulic cylinder is rotatably connected to the bottom end of the fixed section assembly via the lifting hydraulic cylinder pin shaft, the mounting end of the lifting hydraulic cylinder is rotatably connected to the lifting hydraulic cylinder base via the lifting hydraulic cylinder base pin shaft, and the lifting hydraulic cylinder sensor is installed at the mounting end of the lifting hydraulic cylinder to detect the rotation angle of the lifting hydraulic cylinder.

[0009] In one embodiment of the present invention, the locking assembly includes a locking cylinder, a locking cylinder pin shaft, a locking latch, and a latch support seat. The locking cylinder is connected to the fixed section assembly and its telescopic end is connected to the locking latch through the locking cylinder pin shaft. The locking latch is slidably connected in the latch support seat, and the locking rod is constructed as the locking latch.

[0010] In one embodiment of the present invention, the limiting assembly includes columns arranged on both sides of the fixed section assembly in the width direction, and a positioning sleeve is distributed on each of the columns. The locking hole is constructed as an inner hole of the positioning sleeve.

[0011] In one embodiment of the present invention, the plurality of positioning sleeves are evenly distributed along the circumferential direction at an angle of 2°.

[0012] In one embodiment of the present invention, a plurality of first roller assemblies arranged along the length direction are installed on two outer side walls along the width direction of the telescopic section assembly, and the first roller assembly includes two first rotating rollers arranged opposite to each other up and down, and each of the first rotating rollers is installed on the telescopic section assembly through a first roller shaft; A second roller assembly is provided on two inner side walls in the width direction of the other end of the fixed section assembly along the length direction, the second roller assembly includes two second rotating rollers arranged opposite to each other up and down, and each of the second rotating rollers is installed on the fixed section assembly through a second roller shaft; The two outer side walls of the telescopic section assembly are provided with first wing plates extending outwardly, and the two second rotating rollers of the second roller assembly are in rolling contact with the upper and lower ends of the first wing plates respectively; The two inner side walls of the fixed section assembly are provided with second wing plates extending inwardly, and the two first rotating rollers of the first roller assembly are in rolling contact with the upper and lower ends of the second wing plates respectively.

[0013] In one embodiment of the present invention, a mechanical limit baffle capable of contacting the first roller assembly is installed on the other end of the fixed section assembly along the length direction.

[0014] In one embodiment of the present invention, the telescopic drive assembly includes a telescopic hydraulic cylinder, a telescopic hydraulic cylinder base, a telescopic hydraulic cylinder pin, a telescopic hydraulic cylinder base pin, and a telescopic hydraulic cylinder sensor; The telescopic hydraulic cylinder base is connected to the telescopic section assembly, the telescopic hydraulic cylinder sensor is connected to the telescopic hydraulic cylinder through the telescopic hydraulic cylinder base pin shaft, the telescopic hydraulic cylinder sensor is used to detect the telescopic amount of the telescopic hydraulic cylinder, and the telescopic end of the telescopic hydraulic cylinder is connected to one end of the telescopic section assembly away from the fixed section assembly along the length direction through the telescopic hydraulic cylinder pin shaft.

[0015] In one embodiment of the present invention, a wear-resistant roller assembly is provided on one end of the telescopic section assembly away from the fixed section assembly along the length direction.

[0016] The above technical solution of the present invention has the following advantages compared with the prior art: The present invention discloses a CTV channel platform system suitable for a wind power operation and maintenance ship. When a wind power maintenance worker needs to board the wind power operation and maintenance ship from a CTV, a hydraulic cylinder is used to drive the CTV channel platform to rotate up and down, and the angle at which the CTV channel platform needs to rotate is set according to the actual draft of the wind power operation and maintenance ship. When the platform reaches the set angle, the rotation stops; the locking cylinder installed on the fixed section assembly of the CTV channel platform is actuated to drive the locking pin to be inserted into the sleeve on the limit column fixedly connected to the hull bulkhead to form a mechanical safety; then the telescopic section of the channel platform is driven to extend outward by the cylinder, and stops moving after reaching the required length. At this time, the staff can safely board the wind power operation and maintenance ship from the CTV, which improves the safety performance of the crew when boarding the ship.

[0017] The CTV channel platform system is divided into a fixed section component and a telescopic section component. The fixed section component of the channel platform can be raised and lowered in a rotating manner through an electrically controlled hydraulic system. When the fixed section component rotates to the set height, the locking cylinder drives the pin to insert into the limit column connected to the hull bulkhead, thereby fixing the entire channel platform system; the telescopic section component can extend and retract relative to the fixed section component, so that the staff on the CTV can easily board the wind power operation and maintenance vessel.

[0018] The CTV access platform system is set inside the cabin at the stern of the ship, rather than being directly exposed on the outside of the hull bulkhead. Compared with the traditional gangway set up on the outside of the hull bulkhead, the CTV access platform of the present invention can effectively avoid the risk of people falling into the sea due to wind and waves or severe shaking of the ship during navigation. Especially in the case of bad sea conditions and strong winds and waves, the CTV can be docked with the access platform at a relatively stable position at the stern, and the staff can get on and off the ship in a closed or semi-closed cabin, and the overall environment is safer.

[0019] The CTV channel platform system is provided with multiple groups of first roller assemblies and second roller assemblies on the fixed section assembly and the telescopic section assembly, respectively. When used in conjunction with the wing plate and the mechanical limit baffle, the telescopic section can be smoothly extended and retracted in the horizontal direction on the one hand, and excessive extension or retraction of the telescopic section can be avoided on the other hand. A wear-resistant roller assembly can also be installed at the end of the telescopic section. When the CTV is docked or the platform is retracted, the wear of the channel plate and the CTV deck or other contact surfaces can be reduced, thereby extending the service life of the platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0021] Figure 1 It is an axonometric diagram of the CTV channel platform system of the present invention in a horizontal position and in a fully extended state.

[0022] Figure 2 It is an axonometric diagram of the CTV channel platform system of the present invention in a horizontal position and in a fully retracted state.

[0023] Figure 3 This is an axonometric diagram of the CTV channel platform system of the present invention in the lowest position and fully extended state.

[0024] Figure 4 It is an axonometric diagram of the CTV channel platform system of the present invention in the lowest position and fully retracted state.

[0025] Figure 5 It is a plan view of the reverse side of the CTV channel platform system of the present invention.

[0026] Figure 6 It is a telescopic section component of a CTV channel platform system of the present invention.

[0027] Figure 7 It is a fixed section component of the CTV channel platform system of the present invention.

[0028] Figure 8 It is a plan view of the CTV channel platform system of the present invention in a horizontal position and in a fully extended state.

[0029] Fig. 9 It is a plan view of the CTV channel platform system of the present invention in a horizontal position and in a fully retracted state.

[0030] Description of the Figures in the Specification: 1. Hull bulkhead; 2. Hinge ear plate; 3. Connecting shaft; 4. Fixed section assembly; 5. Lifting hydraulic cylinder base; 6. Lifting hydraulic cylinder base pin; 7. Lifting hydraulic cylinder sensor; 8. Lifting hydraulic cylinder; 9. Limit assembly; 10. Positioning sleeve; 11. Telescopic hydraulic cylinder pin; 12. Telescopic hydraulic cylinder; 13. Telescopic hydraulic cylinder base; 14. Mounting bolts; 15. Telescopic hydraulic cylinder base pin; 16. Telescopic hydraulic cylinder sensor; 17. Locking Cylinder; 18. Locking rod; 19. Latch support seat; 20. Wear-resistant roller assembly; 21. Connecting bolt; 22. First roller shaft; 23. Second rotating roller; 24. Second roller shaft; 25. Channel platform anti-slip strip; 26. Channel platform plate; 27. Limit bolt; 28. Mechanical limit baffle; 29. ​​First rotating roller; 30. Fixed section railing; 31. Telescopic section railing; 32. Lifting hydraulic cylinder pin shaft; 33. Locking cylinder pin shaft; 34. Telescopic section assembly. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0032] In the present invention, if directions (up, down, left, right, front and back) are described, it is only for the convenience of describing the technical solution of the present invention, and does not indicate or imply that the technical features referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as a limitation of the present invention.

[0033] In the present invention, "several" means one or more, "multiple" means more than two, "greater than", "less than", "exceed" and the like are understood to exclude the number itself; "above", "below", "within" and the like are understood to include the number itself. In the description of the present invention, if there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected or electrically connected or able to communicate with each other; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0035] Reference Figure 1 As shown, a CTV channel platform system suitable for a wind power operation and maintenance ship of the present invention is installed in a cabin at the stern of the ship, and includes: A fixed section assembly 4, one end of which in the length direction is rotatably connected to the hull bulkhead 1 of the wind power operation and maintenance vessel; A rotation drive assembly, mounted on the hull bulkhead 1 and used to drive the rotation of the fixed section assembly 4 to achieve the lifting and lowering of the fixed section assembly 4; A locking assembly, comprising a locking rod 18 which is arranged on the fixing section assembly 4 and is telescopic along the width direction of the fixing section assembly 4; The limiting component 9 includes a plurality of locking holes arranged corresponding to the rotation track of the locking rod 18 and distributed in an arc shape. When the fixing section component 4 is rotated to a predetermined angle, the locking rod 18 can extend into the corresponding locking hole to achieve locking; The telescopic section assembly 34 is movably connected to the fixed section assembly 4 and can perform telescopic movement relative to the fixed section assembly 4 along the length direction; The telescopic driving assembly is used to drive the telescopic section assembly 34 to telescope along the length direction of the fixed section assembly 4 .

[0036] Through the above settings, the CTV channel platform system realizes the rise and fall of the channel platform fixed section assembly 4 in a rotating manner through an electrically controlled hydraulic system. When the fixed section assembly 4 rotates to the set height, the locking rod 18 is inserted into the locking hole to fix the entire channel platform system; the telescopic section assembly 34 can extend and retract relative to the fixed section assembly 4, so that the staff on the CTV can easily board the wind power operation and maintenance ship. The entire channel platform is installed in the cabin at the stern of the ship, making it safer for the crew to board the wind power operation and maintenance ship from the CTV or disembark from the wind power operation and maintenance ship to the CTV, avoiding the risk of the crew falling into the sea when getting on and off the ship.

[0037] Reference Figure 1 As shown, in one embodiment, the hull bulkhead 1 is connected with a hinge ear plate 2, and one end of the fixed section assembly 4 in the length direction is provided with a connecting shaft 3 rotatably connected to the hinge ear plate 2. Through the telescopic drive of the rotation drive assembly, the channel platform fixed section assembly 4 can be rotated up and down around the hinge axis.

[0038] Reference Figure 1 As shown, in one embodiment, the rotation drive assembly includes a lifting hydraulic cylinder base 5, a lifting hydraulic cylinder 8, a lifting hydraulic cylinder sensor 7, a lifting hydraulic cylinder base pin 6, and a lifting hydraulic cylinder pin 32; The lifting hydraulic cylinder base 5 is connected to the hull bulkhead 1, the telescopic end of the lifting hydraulic cylinder 8 is rotatably connected to the bottom end of the fixed section assembly 4 through the lifting hydraulic cylinder pin 32, the mounting end of the lifting hydraulic cylinder 8 is rotatably connected to the lifting hydraulic cylinder base 5 through the lifting hydraulic cylinder base pin 6, and the lifting hydraulic cylinder sensor 7 is installed at the mounting end of the lifting hydraulic cylinder 8 to detect the rotation angle of the lifting hydraulic cylinder 8. When the lifting hydraulic cylinder 8 is extended or retracted, the rotation angle of the cylinder can be calculated by the lifting hydraulic cylinder sensor 7, so as to set the corresponding rotation angle according to the actual draft of the wind power operation and maintenance ship.

[0039] Reference Figure 5 As shown, in one embodiment, the locking assembly includes a locking cylinder 17, a locking cylinder pin 33, a locking latch, and a latch support seat 19. The locking cylinder 17 is connected to the fixed section assembly 4 and its telescopic end is connected to the locking latch through the locking cylinder pin 33. The locking latch is slidably connected in the latch support seat 19, and the locking rod 18 is constructed as the locking latch.

[0040] Reference Figure 1As shown, in one embodiment, the limit assembly 9 includes columns arranged on both sides of the fixed section assembly 4 in the width direction, the columns are fixedly connected to the hull bulkhead 1 by welding, and positioning sleeves 10 are distributed and installed on each of the columns by means of an embedded installation, and the locking hole is constructed as the inner hole of the positioning sleeve 10. When the CTV channel platform is rotated to a set angle, the locking pin extends out and is inserted into the inner hole of the sleeve on the limit column, thereby realizing the mechanical limit of the CTV channel platform, ensuring the safety of the staff when getting on and off the ship, and ensuring that the platform has high safety and reliability in different working positions.

[0041] Reference Figure 8 , Fig. 9 As shown, in one embodiment, a plurality of the positioning sleeves 10 are evenly distributed at an angle of 2° along the circumferential direction. The positioning sleeves 10 on the limiting columns are distributed at specific angles, so that the platform can be adjusted in a wide range to meet the draft change requirements of ships under different wind and wave levels at sea.

[0042] Reference Figure 3 , Figure 4 , Figure 6 , Figure 7 As shown, in one embodiment, a plurality of first roller assemblies arranged along the length direction are installed on two outer side walls along the width direction of the telescopic section assembly 34, and the first roller assembly includes two first rotating rollers 29 arranged opposite to each other up and down, and each of the first rotating rollers 29 is installed on the telescopic section assembly 34 through a first roller shaft 22; A second roller assembly is provided on two inner side walls in the width direction of the other end of the fixed section assembly 4 along the length direction, and the second roller assembly includes two second rotating rollers 23 arranged opposite to each other up and down, and each of the second rotating rollers 23 is installed on the fixed section assembly 4 through a second roller shaft 24; The two outer side walls of the telescopic section assembly 34 extend outwardly with a first wing plate, and the two second rotating rollers 23 of the second roller assembly are in rolling contact with the upper and lower ends of the first wing plate respectively, so that the telescopic section assembly 34 is restricted between the two second rotating rollers 23; The two inner side walls of the fixed section assembly 4 extend inward with a second wing plate, and the two first rotating rollers 29 of the first roller assembly are in rolling contact with the upper and lower ends of the second wing plate respectively, so that the fixed section assembly 4 is restricted between the two first rotating rollers 29, and the telescopic section assembly 34 can slide on the fixed section group.

[0043] Reference Figure 6 , Figure 7As shown, in one embodiment, telescopic section railings 31 are installed on both sides of the telescopic section assembly 34 in the width direction; fixed section railings 30 are installed on both sides of the fixed section assembly 4 in the width direction; in addition, the fixed section assembly 4 and the telescopic section assembly 34 are fixedly installed with the channel platform plate 26 by welding, and a triangular channel platform anti-slip strip 25 is welded and fixed above the channel platform plate 26, so that the staff can be safer when getting on and off the ship.

[0044] Reference Figure 7 As shown, in one embodiment, a mechanical limit baffle 28 capable of contacting the first roller assembly is installed on the other end of the fixed section assembly 4 along the length direction through a limit bolt 27, thereby mechanically limiting the extension and locking distance of the telescopic section assembly 34.

[0045] Reference Figure 2 , Figure 5 As shown, in one embodiment, the telescopic drive assembly includes a telescopic hydraulic cylinder 12, a telescopic hydraulic cylinder base 13, a telescopic hydraulic cylinder pin 11, a telescopic hydraulic cylinder base pin 15, and a telescopic hydraulic cylinder sensor 16; The telescopic hydraulic cylinder base 13 is connected to the telescopic section assembly 34 (through the mounting bolts 14), and the telescopic hydraulic cylinder sensor 16 is connected to the telescopic hydraulic cylinder 12 through the telescopic hydraulic cylinder base pin shaft 15. The telescopic hydraulic cylinder sensor 16 is used to detect the telescopic amount of the telescopic hydraulic cylinder 12. The telescopic end of the telescopic hydraulic cylinder 12 is connected to an end of the telescopic section assembly 34 away from the fixed section assembly 4 along the length direction through the telescopic hydraulic cylinder pin shaft 11.

[0046] When the telescopic hydraulic cylinder 12 extends or retracts, the telescopic hydraulic cylinder sensor 16 can directly measure the extension or retraction length of the telescopic hydraulic cylinder 12, that is, measure the extension or retraction length of the channel platform telescopic section assembly 34 relative to the fixed section assembly 4.

[0047] Reference Figure 3 As shown, in one embodiment, a wear-resistant roller assembly 20 (installed by connecting bolts 21) is provided on one end of the telescopic section assembly 34 away from the fixed section assembly 4 in the length direction. When the channel platform is extended or retracted, the wear-resistant roller assembly 20 can be placed on the CTV to prevent wear of the telescopic section of the channel platform.

[0048] When the wind power maintenance staff needs to board the wind power operation and maintenance ship from the CTV, the hydraulic cylinder is used to drive the CTV channel platform to rotate up and down, and the angle of rotation of the CTV channel platform is set according to the actual draft of the wind power operation and maintenance ship. When the platform reaches the set angle, it stops rotating; the locking cylinder 17 installed on the fixed section assembly 4 of the CTV channel platform is actuated to drive the locking pin to insert into the sleeve on the limit column fixedly connected to the hull bulkhead 1 to form a mechanical insurance; then the telescopic section of the channel platform is driven to extend outward by the telescopic hydraulic cylinder 12, and stops moving after reaching the required length. At this time, the staff can safely board the wind power operation and maintenance ship from the CTV, which improves the safety performance of the crew when boarding the ship.

[0049] The present invention realizes the rise and fall of the fixed section assembly 4 of the CTV channel platform and the extension and retraction of the telescopic section assembly 34 through an electrically controlled hydraulic system. The lifting and lowering of the fixed section assembly 4 is completed by the lifting hydraulic cylinder 8, and the lifting hydraulic cylinder sensor 7 detects the cylinder extension amount or rotation angle, and can accurately adjust the angle and height of the CTV channel platform according to the actual draft and sea conditions; when the fixed section assembly 4 rotates to a predetermined angle, the locking cylinder 17 drives the locking pin to insert the positioning sleeve 10 of the limit column to form a mechanical insurance to ensure that the platform is firmly locked at a specific position.

[0050] The telescopic section assembly 34 is telescopically extended and retracted by the telescopic hydraulic cylinder 12, and the telescopic amount is accurately detected by the telescopic hydraulic cylinder sensor 16, and it can automatically stop when the preset extension length is reached.

[0051] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to examples, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A CTV channel platform system suitable for wind power operation and maintenance vessels, characterized in that: include: A fixed section assembly (4), one end of which in the length direction is rotatably connected to the hull bulkhead (1) of the wind power operation and maintenance vessel; A rotation drive assembly, mounted on the hull bulkhead (1) and used to drive the fixed section assembly (4) to rotate so as to achieve lifting and lowering of the fixed section assembly (4); A locking assembly, comprising a locking rod (18) which is arranged on the fixing section assembly (4) and is telescopic along the width direction of the fixing section assembly (4); The limit assembly (9) comprises a plurality of locking holes arranged corresponding to the rotation trajectory of the locking rod (18) and distributed in an arc shape, and when the fixed section assembly (4) is rotated to a predetermined angle, the locking rod (18) can extend into the corresponding locking hole to achieve locking; A telescopic section assembly (34) movably connected to the fixed section assembly (4) and capable of performing telescopic movement along a length direction relative to the fixed section assembly (4); A telescopic drive assembly, used for driving the telescopic section assembly (34) to telescope along the length direction of the fixed section assembly (4).

2. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 1, characterized in that: The hull bulkhead (1) is connected to a hinged ear plate (2), and a connecting shaft (3) rotatably connected to the hinged ear plate (2) is installed at one end of the fixed section assembly (4) in the length direction.

3. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 1, characterized in that: The rotation drive assembly comprises a lifting hydraulic cylinder base (5), a lifting hydraulic cylinder (8), a lifting hydraulic cylinder sensor (7), a lifting hydraulic cylinder base pin shaft (6), and a lifting hydraulic cylinder pin shaft (32); The lifting hydraulic cylinder base (5) is connected to the hull bulkhead (1); the telescopic end of the lifting hydraulic cylinder (8) is rotatably connected to the bottom end of the fixed section assembly (4) via the lifting hydraulic cylinder pin shaft (32); the mounting end of the lifting hydraulic cylinder (8) is rotatably connected to the lifting hydraulic cylinder base (5) via the lifting hydraulic cylinder base pin shaft (6); and the lifting hydraulic cylinder sensor (7) is mounted on the mounting end of the lifting hydraulic cylinder (8) to detect the rotation angle of the lifting hydraulic cylinder (8).

4. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 1, characterized in that: The locking assembly comprises a locking cylinder (17), a locking cylinder pin (33), a locking latch, and a latch support seat (19); the locking cylinder (17) is connected to the fixed section assembly (4) and its telescopic end is connected to the locking latch via the locking cylinder pin (33); the locking latch is slidably connected in the latch support seat (19); and the locking rod (18) is constructed as the locking latch.

5. The CTV channel platform system suitable for wind power operation and maintenance vessels according to claim 1 is characterized in that: The limiting assembly (9) comprises columns arranged on both sides of the fixed section assembly (4) in the width direction, and a positioning sleeve (10) is distributed on each of the columns, and the locking hole is constructed as an inner hole of the positioning sleeve (10).

6. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 5, characterized in that: The plurality of positioning sleeves (10) are evenly distributed along the circumferential direction at an angle of 2°.

7. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 1, characterized in that: A plurality of first roller assemblies arranged along the length direction are mounted on two outer side walls along the width direction of the telescopic section assembly (34), the first roller assemblies comprising two first rotating rollers (29) arranged opposite to each other up and down, each of the first rotating rollers (29) being mounted on the telescopic section assembly (34) via a first roller shaft (22); A second roller assembly is provided on two inner side walls in the width direction of the other end of the fixed section assembly (4) along the length direction, the second roller assembly comprising two second rotating rollers (23) arranged opposite to each other up and down, each of the second rotating rollers (23) being mounted on the fixed section assembly (4) via a second roller shaft (24); Two outer side walls of the telescopic section assembly (34) are provided with first wing plates extending outwardly, and the two second rotating rollers (23) of the second roller assembly are in rolling contact with upper and lower ends of the first wing plates respectively; The two inner side walls of the fixed section assembly (4) extend inwardly to form second wing plates, and the two first rotating rollers (29) of the first roller assembly are in rolling contact with the upper and lower ends of the second wing plates respectively.

8. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 7, characterized in that: A mechanical limit baffle (28) capable of contacting the first roller assembly is installed on the other end of the fixed section assembly (4) in the length direction.

9. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 1, characterized in that: The telescopic drive assembly comprises a telescopic hydraulic cylinder (12), a telescopic hydraulic cylinder base (13), a telescopic hydraulic cylinder pin (11), a telescopic hydraulic cylinder base pin (15), and a telescopic hydraulic cylinder sensor (16); The telescopic hydraulic cylinder base (13) is connected to the telescopic section assembly (34); the telescopic hydraulic cylinder sensor (16) is connected to the telescopic hydraulic cylinder (12) via the telescopic hydraulic cylinder base pin shaft (15); the telescopic hydraulic cylinder sensor (16) is used to detect the telescopic amount of the telescopic hydraulic cylinder (12); the telescopic end of the telescopic hydraulic cylinder (12) is connected to an end of the telescopic section assembly (34) away from the fixed section assembly (4) in the length direction via the telescopic hydraulic cylinder pin shaft (11).

10. A CTV channel platform system suitable for a wind power operation and maintenance vessel according to claim 1, characterized in that: A wear-resistant roller assembly (20) is provided on one end of the telescopic section assembly (34) away from the fixed section assembly (4) in the length direction.

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