Anti-scouring underwater 3D printing system for offshore wind power foundation structure

Abstract

The utility model belongs to the field of offshore wind power, and discloses an offshore wind power foundation structure anti-scouring underwater 3D printing system which comprises a sliding rail, an underwater 3D printing device, a printing material stirring device, a material conveying pipe and a first camera, the sliding rail is installed on a wind power foundation in a matched mode, and the underwater 3D printing device is installed on the sliding rail in a sliding mode and comprises a printing nozzle. The underwater 3D printing device is arranged on the construction ship, the printing spray head conducts printing and filling on the washing pit, the printing material stirring device is arranged on the construction ship, and the two ends of the material conveying pipe are connected with the printing material stirring device and the underwater 3D printing device correspondingly and used for conveying a printing material in the printing material stirring device to the underwater 3D printing device. The first camera is used for monitoring the printing condition. According to the offshore wind power anti-scour method based on the underwater 3D printing technology, a more complex and fine anti-scour structure can be formed, the turbulent flow capacity is improved, and the anti-scour effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of offshore wind power, in particular to an underwater 3D printing system for preventing scour of offshore wind power foundation structures. Background Art

[0002] The offshore wind power foundation structure is an important supporting component to ensure the stable production of wind turbines, and is usually fixed on the seabed with a steel pile structure. However, the offshore wind power foundation has been subjected to the coupling of wind, waves and currents in the harsh marine environment for a long time, and the resulting scour pits seriously affect the stability of the foundation structure, posing major safety and economic risks. Traditional anti-scour methods are divided into active and passive protection. The main measures include riprap protection, sand blanket protection, sacrificial pile protection, bionic grass protection, concrete joint row and other solutions. In the actual project implementation process, there are strict requirements for large operation and maintenance ships, and the material and construction costs are high. Utility Model Content

[0003] The purpose of the utility model is to provide an underwater 3D printing system for anti-scouring of offshore wind power foundation structures to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An underwater 3D printing system for preventing scour of offshore wind power foundation structure, comprising:

[0006] A slide rail, wherein the slide rail is installed on a wind power foundation;

[0007] An underwater 3D printing device, wherein the underwater 3D printing device is slidably mounted on a slide rail and comprises a printing nozzle, wherein the printing nozzle prints and fills the scouring pit;

[0008] A printing material stirring device, wherein the printing material stirring device is arranged on the construction vessel;

[0009] a material delivery pipe, wherein both ends of the material delivery pipe are respectively connected to the printing material stirring device and the underwater 3D printing device, so as to deliver the printing material in the printing material stirring device to the underwater 3D printing device; and

[0010] A first camera is used to monitor the printing status.

[0011] Furthermore, the underwater 3D printing device also includes a printing mobile platform, the printing nozzle is arranged on the printing mobile platform, and the printing mobile platform is used to drive the printing nozzle to move.

[0012] Furthermore, it also includes a lifting rope, and both ends of the lifting rope are respectively connected to the construction ship and the underwater 3D printing device.

[0013] Furthermore, it also includes an underwater robot, which is used to install the slide rail and the underwater 3D printing device.

[0014] Furthermore, the slide rail is a hoop structure, which embraces the wind power foundation.

[0015] Furthermore, the underwater 3D printing device is slidably mounted on a slide rail via a movable slider, and the movable module is used to drive the underwater 3D printing device to move along the slide rail.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1) The offshore wind power anti-scour system based on underwater 3D printing technology can form a more complex and sophisticated anti-scour structure, improve the flow disturbance ability, and improve the anti-scour effect;

[0018] 2) The offshore wind power anti-scour system based on underwater 3D printing technology can establish specific structures according to the characteristics of different wind power foundations, which can achieve better protection effects;

[0019] 3) Traditional active and passive protection functions are achieved by filling scour pits or through projects such as piling, which have a high demand for large construction ships. However, the underwater 3D printing anti-scour system of the utility model uses less material, does not require large construction ships, and has lower construction costs;

[0020] 4) The utility model can use more construction vessels to carry out parallel construction, maximize resource utilization, and speed up construction progress;

[0021] 5) The material consumption of the structure can be designed in advance during the construction of the utility model, and the material feeding can be stopped after the printing is completed, which can save materials and control costs;

[0022] 6) The printing process of the utility model can be automated and controlled by an underwater robot, which ensures the protective effect while improving the safety of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the use status of an underwater 3D printing system for anti-scouring of offshore wind power foundation structures of the utility model.

[0024] Figure 2 This is a schematic diagram of the connection structure of a slide rail, a movable slider, and an underwater 3D printing device in an underwater 3D printing system for anti-scouring of an offshore wind power foundation structure of the utility model.

[0025] Figure 3 This is a circuit diagram of an underwater 3D printing system for anti-scouring of an offshore wind power foundation structure of the utility model.

[0026] In the figure: wind power foundation 1, construction ship 2, slide rail 3, track 300, underwater 3D printing device 4, printing mobile platform 400, printing nozzle 401, printing material stirring device 5, material conveying pipe 6, first camera 7, lifting rope 8, underwater robot 9, movable slider 10, slider motor 1000, slider driving wheel 1001, scouring pit 11, anti-scouring structure 12, ROV control cable 13, control module 14. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 3 An underwater 3D printing system for preventing scour of offshore wind power infrastructure includes a construction vessel 2, a slide rail 3, a movable slider 10, an underwater 3D printing device 4, a printing material stirring device 5, a feed pipe 6, a first camera 7, an underwater robot 9, a lifting device, and a control module 14.

[0029] Continue reading Figure 1 and Figure 2 The slide rail 3 is a hoop structure, which is encircled on the wind power foundation 1 by bolts. A track 300 is laid on the upper surface of the slide rail 3 along its annular structure, and a first connecting portion 301 is extended outwardly on both inner and outer sides of the track 300.

[0030] Continue reading Figure 1 and Figure 2The movable slider 10 is slidably installed on the upper surface of the slide rail 3. The movable slider 10 is located on the outside of the slide rail 3, and the bolts of the slide rail 3 are located on the inside, so that the movable module 10 can avoid the bolts of the slide rail 3. The lower end of the movable slider 10 is provided with a driving wheel 1001, a driven wheel and a slider motor 1000. The driving wheel 1001 and the driven wheel are arranged one after the other. The output end of the slider motor 1000 is matched with the driving wheel 1001 for transmission. The slider motor 1000 is used to drive the driving wheel 1001 to rotate. The driving wheel 1001 and the driven wheel are both matched with the track 300, and the driving wheel 1001 and the driven wheel are matched with the shape of the track 300. The second connecting part 1002 is respectively arranged on the inner and outer sides of the lower end of the movable slider 10, and the second connecting part 1002 corresponds to the first connecting part 301. The second connecting part 1002 is located at the lower end of the first connecting part 301, and a spring marble 1003 is fixedly arranged on the second connecting part 1002. The spring marble 1003 is also called elastic ball, spring ball, etc. Its structure is a well-known technology, including a shell, a spring and a ball. The ball of the spring marble 1003 is in contact with the first connecting part 301, and the elasticity of the spring is used to tighten the first connecting part 301, so that the driving wheel 1001 and the driven wheel are as close to the track 300 as possible.

[0031] When the movable slider 10 moves, the slider motor 1000 drives the driving wheel 1001 to rotate, and the driving wheel 1001 drives the entire movable slider 10 to move along the slide rail 3.

[0032] Continue reading Figure 1 and Figure 2 The underwater 3D printing device 4 is fixedly mounted on the movable slider 10, and includes a printing mobile platform 400 and a printing nozzle 401. The printing mobile platform 400 is used to drive the printing nozzle 401 to move in the horizontal direction and then in the XY axis, and the printing nozzle 401 prints and fills the flushing pit 11. A first camera 7 is also installed on the underwater 3D printing device 4, and the printing situation is monitored by the first camera 7.

[0033] Continue reading Figure 1The construction ship 2 is located on the sea surface, and the printing material stirring device 5 is arranged on the construction ship 2. The printing material stirring device 5 stirs and mixes the prepared underwater 3D printing raw materials with water to form underwater 3D printing materials. The underwater 3D printing materials are well-known technologies in the field of underwater 3D printing, and meet the requirements of rapid coagulation, high bearing capacity, anti-marine corrosion, bio-friendliness, high stability, etc., to ensure that the materials can form a designed, stable, and environmentally friendly protective structure. The feed pipe 6 is a flexible pipe, and its two ends are respectively connected to the printing material stirring device 5 and the underwater 3D printing device 4, so as to transport the printing materials in the printing material stirring device 5 to the underwater 3D printing device 4. The lifting device is arranged on the construction ship 2, and the two ends of the lifting rope 8 are respectively connected to the lifting device and the underwater 3D printing device 4, and the underwater 3D printing device 4 is suspended by the lifting device and the lifting rope 8. The control module 14 is arranged on the construction ship 2, which can be an electronic device with display function, operation function, information processing function and command receiving and sending function.

[0034] Continue reading Figure 1 The underwater robot 9 is preferably a remotely operated vehicle (ROV), which is located underwater and connected to the construction vessel 2 via an ROV control cable 13 , and has a second camera for observation. The underwater robot 9 is used to install the slide rail 3 and the underwater 3D printing device 4 .

[0035] The underwater robot 9, the underwater 3D printing device 4, the first camera 7 and the control module 14 are connected to each other through a waterproof cable or a wireless communication module, and the slider motor 1000 and the control module 14 are connected to each other through a wireless communication module.

[0036] The staff on the construction vessel 2 processes the information transmitted by the camera through the control module 14, and sends instructions to the underwater robot 9, the underwater 3D printing device 4, and the slider motor 1000, so as to control the progress of the entire printing process.

[0037] The printing process of the above-mentioned offshore wind power foundation structure anti-scour underwater 3D printing system is as follows:

[0038] Step 1: Prepare, including:

[0039] For offshore wind farms where scouring occurs, underwater scanning is first carried out to obtain the scouring conditions of each offshore wind power foundation 1 structure and form a digital model. Then, the required printed anti-scouring structure 12 is designed based on the digital model.

[0040] Obtain historical monitoring data on wind, waves, currents, etc. of the corresponding offshore wind farm, and design anti-scour structures based on the scour conditions of each offshore wind power foundation structure.

[0041] After the protection structure design is completed, the time, material quantity and 3D printing procedure required for protection construction are calculated. According to the material quantity required for all foundations, prepare 5%-10% more materials than the calculated amount to avoid interruption of project progress due to insufficient materials. Underwater 3D printing materials include but are not limited to cement-based materials, mortar, polymers, etc.

[0042] Obtain the number of existing construction vessels and transport vessels. Construction vessels are equipped with construction equipment and some 3D printing raw materials required for underwater 3D printing, and transport vessels are equipped with additional 3D printing raw materials required within a construction day. Construction equipment required for underwater 3D printing includes but is not limited to printing material stirring devices, underwater 3D printing devices, etc. Based on the existing ship data and the protective construction time of each foundation, optimize the scheduling of construction vessels, with the optimization goal of reducing the overall construction time.

[0043] Step 2: Install the slide rail 3 on the wind power foundation 1 , and slide the underwater 3D printing device 4 onto the slide rail 3 .

[0044] In step 2, the slide rail 3 and the underwater 3D printing device 4 are installed by the underwater robot 9 and the diver.

[0045] Step 3, print the anti-scour structure 12 on the scour pit 11 by the underwater 3D printing device 4 to fill the scour pit 11. During printing, the underwater 3D printing device 4 moves along the slide rail 3 to print and fill different positions of the scour pit 11, and monitor the printing status through the first camera 7.

[0046] It should be noted that the underwater 3D printing material used in the utility model is an underwater 3D printing concrete material, which is a well-known technology in the field of underwater 3D printing, and reference may be made to patents such as CN110723949A, CN117700176A, and CN116675502A.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An underwater 3D printing system for anti-scouring of offshore wind power foundation structure, characterized in that: include: A slide rail, wherein the slide rail is installed on a wind power foundation; An underwater 3D printing device, wherein the underwater 3D printing device is slidably mounted on a slide rail and comprises a printing nozzle, wherein the printing nozzle prints and fills the scouring pit; A printing material stirring device, wherein the printing material stirring device is arranged on the construction vessel; A material delivery pipe, both ends of which are connected to the printing material stirring device and the underwater 3D printing device respectively, so as to deliver the printing material in the printing material stirring device to the underwater 3D printing device; as well as A first camera is used to monitor the printing status.

2. The underwater 3D printing system for preventing scour of offshore wind power infrastructure according to claim 1, characterized in that: The underwater 3D printing device also includes a printing mobile platform, the printing nozzle is arranged on the printing mobile platform, and the printing mobile platform is used to drive the printing nozzle to move.

3. The underwater 3D printing system for preventing scour of offshore wind power infrastructure according to claim 1 is characterized in that: It also includes a lifting rope, both ends of which are respectively connected to the construction vessel and the underwater 3D printing device.

4. The underwater 3D printing system for preventing scour of offshore wind power infrastructure according to claim 1, characterized in that: It also includes an underwater robot, which is used to install the slide rail and the underwater 3D printing device.

5. The underwater 3D printing system for preventing scour of offshore wind power infrastructure according to claim 1, characterized in that: The slide rail is a hoop structure, which embraces the wind power foundation.

6. The underwater 3D printing system for preventing scour of offshore wind power infrastructure according to claim 1, characterized in that: The underwater 3D printing device is slidably mounted on the slide rail via a movable slider, and the movable module is used to drive the underwater 3D printing device to move along the slide rail.

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