An underwater guide frame with anti-sinking function

Abstract

The present invention provides an underwater guide frame with an anti-sinking function. The guide frame has four vertically arranged guide frame legs, which are distributed at the four corners of a rectangle. The bottom ends of the guide frame legs are provided with a leveling and anti-sinking mechanism. The leveling and anti-sinking mechanism includes a balloon, blocking particles filled in the balloon, and a hydraulic system connected to the interior of the balloon. The balloon is fixedly connected to the bottom ends of the guide frame legs. The hydraulic system is used to fill the balloon with hydraulic oil or to extract the hydraulic oil from the balloon. The balloon of this anti-sinking structure is filled with hydraulic oil when it comes into contact with mud and becomes flexible as a whole, able to conform to the shape of the seabed. After leveling, the hydraulic oil is extracted, and the internal blocking particles rub against each other, making the entire balloon rigid to ensure structural strength. During retraction, the hydraulic system injects a small amount of hydraulic oil into the balloon to release the blockage. The balloon becomes flexible, which can reduce the influence of the mud's adsorption force, thereby reducing the pulling force required for recovery and extending the service life of the structure.

Description

Technical Field

[0001] The present invention relates to the technical field of offshore wind power platform construction equipment, and in particular to an underwater guide frame with an anti-sinking function. Background Art

[0002] With the rapid development of domestic offshore wind power generation, especially large-power wind turbines and deep-water offshore wind farms, the geological conditions in different sea areas vary greatly. The offshore wind turbine foundation must be able to adapt to a variety of complex geological conditions. Therefore, for complex marine geological conditions, it is particularly important to fix large wind turbines and their supporting structures on the seabed.

[0003] Before constructing an offshore wind power platform, it is necessary to construct bottom piles at selected locations, that is, first drive the steel pipe piles vertically into the seabed. Since the seabed is tens of meters deep, an underwater guide frame is needed to calibrate the steel pipe piles to prevent them from tilting during the process of driving them into the seabed. However, the seabed is often rugged and uneven, and the frames of previous underwater guide frames mostly use RPR parallel mechanisms for adjustment to relatively level the frames. At present, the anti-sinking plates at the bottom of existing underwater guide frames mostly use flat surfaces. The flat surfaces easily form a sealing surface with the seabed mud, causing the mud to have an adsorption effect on the anti-sinking plates, resulting in the RPR parallel mechanism being difficult to operate when adjusting the angle of the anti-sinking plates or lifting the anti-sinking plates, thereby affecting the installation and adjustment efficiency of the underwater guide frames. Summary of the Invention

[0004] The purpose of the present invention is to provide an underwater guide frame with an anti-sinking function, which overcomes the shortcomings of the existing underwater guide frame anti-sinking plate structure technology and solutions, avoids delays to the project caused by the anti-sinking plate sinking into the seabed mud during piling conditions while quickly adjusting to the horizontal state, and quickly and stably adjusts the angle of the anti-sinking plate to fit the seabed slope as closely as possible.

[0005] To achieve the above-mentioned object, the present invention provides an underwater guide frame with an anti-sinking function, the guide frame comprising a frame body and four guide cylinders vertically arranged on the frame body, the four guide cylinders being symmetrically arranged in pairs, the frame body having four vertically arranged guide frame legs, the four guide frame legs being distributed at the four corners of a rectangle, and the bottom ends of the guide frame legs being provided with a leveling anti-sinking mechanism;

[0006] The leveling and anti-sinking mechanism includes a balloon, blocking particles filled in the balloon, and a hydraulic system connected to the interior of the balloon. The balloon is fixedly connected to the bottom end of the guide frame leg, and the hydraulic system is used to fill the balloon with hydraulic oil or to extract the hydraulic oil in the balloon.

[0007] Furthermore, the bottom end of the guide frame leg is sealed by an end plate;

[0008] The hydraulic system is installed in the guide frame leg, and a through hole for the flow of hydraulic oil is opened on the end plate, and the through hole is connected to the interior of the balloon.

[0009] Furthermore, a filter plate is attached to the bottom surface of the end plate, and the filter plate is arranged opposite to the through hole.

[0010] Furthermore, the balloon has a connecting tube connected to the guide frame leg. After the connecting tube is sleeved on the bottom end of the guide frame leg, it is fixedly and sealedly connected to the guide frame leg through a fixing ring.

[0011] Furthermore, the fixing ring includes two relatively arranged fixing parts, the fixing parts are semicircular, and both ends of the fixing parts have connecting parts extending radially outward. After the two fixing parts are relatively buckled, they are fixedly connected by bolts passing through the connecting parts.

[0012] Furthermore, the outer wall of the connecting tube has a convex ring extending outward, and the inner wall of the fixing member is provided with a mounting groove corresponding to the convex ring, and the mounting groove is clamped on the convex ring.

[0013] The beneficial effects of the present invention are embodied in:

[0014] The balloon of the anti-sinking structure of this design is filled with hydraulic oil and becomes flexible as a whole when it comes into contact with silt, and can conform to the shape of the seabed. After leveling, the hydraulic oil is pumped out and the internal blocking particles rub against each other, making the entire balloon rigid to ensure structural strength. When retracting, the hydraulic system injects a small amount of hydraulic oil into the balloon to release the blockage. The balloon becomes flexible and can reduce the influence of the silt adsorption force, thereby reducing the pulling force required for recovery and extending the service life of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of an underwater guide frame with an anti-sinking function provided by an embodiment of the present invention;

[0016] Figure 2 A schematic diagram of the installation structure of a balloon provided in an embodiment of the present invention;

[0017] Figure 3 A schematic diagram of the cross-sectional structure of a balloon provided in an embodiment of the present invention;

[0018] Figure 4 A schematic diagram of the three-dimensional structure of a balloon provided in an embodiment of the present invention;

[0019] Figure 5 A reference diagram of the balloon state when the guide frame provided by the embodiment of the present invention is used Figure 1 ;

[0020] Figure 6A reference diagram of the balloon state when the guide frame provided by the embodiment of the present invention is used Figure 2 ;

[0021] Figure 7 A reference diagram of the balloon state when the guide frame provided by the embodiment of the present invention is used Figure 3 ;

[0022] Figure 8 A reference diagram of the balloon state when the guide frame provided by the embodiment of the present invention is used Figure 4 ;

[0023] Among them, the frame 1, the guide cylinder 2, the guide frame legs 3, the balloon 4, the blocking particles 5, the hydraulic system 6, the end plate 7, the through hole 8, the filter plate 9, the connecting cylinder 10, the fixing ring 11, the fixing part 12, and the convex ring 13. DETAILED DESCRIPTION

[0024] The following is a more detailed description of the specific embodiments of the present invention with reference to schematic diagrams. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are greatly simplified and not to exact scale, and are only used for the purpose of conveniently and clearly illustrating the embodiments of the present invention.

[0025] like Figure 1-Figure 4 As shown, this embodiment provides an underwater guide frame with an anti-sinking function, the guide frame includes a frame body 1 and four guide cylinders 2 vertically arranged on the frame body 1, the four guide cylinders 2 are symmetrically arranged in pairs, the frame body 1 has four vertically arranged guide frame legs 3, the four guide frame legs 3 are distributed at the four corners of a rectangle, and a leveling and anti-sinking mechanism is provided at the bottom end of the guide frame legs 3.

[0026] Specifically, the leveling and anti-sinking mechanism includes a balloon 4, blocking particles 5 filled in the balloon 4, and a hydraulic system 6 connected to the inside of the balloon 4. The balloon 4 is fixedly connected to the bottom end of the guide frame leg 3. The hydraulic system 6 is used to fill the balloon 4 with hydraulic oil or to extract the hydraulic oil in the balloon 4.

[0027] The bottom end of the guide leg 3 is sealed by an end plate 7. A hydraulic system 6 is installed within the guide leg 3. The end plate 7 has a through hole 8 for the flow of hydraulic oil, which communicates with the interior of the balloon 4. A filter plate 9 is attached to the bottom surface of the end plate 7, opposite the through hole 8. This filter plate 9 prevents blocking particles 5 within the balloon 4 from escaping. The blocking particles 5 can be made of a hard plastic material.

[0028] The balloon 4 has a connecting tube 10 that connects to the guide frame leg 3. This connecting tube 10 is fitted over the bottom end of the guide frame leg 3 and is secured and sealed to the leg via a retaining ring 11. The retaining ring 11 includes two opposing fixing members 12. These fixing members 12 are semicircular in shape, with radially outward-extending connecting portions at each end. The two fixing members 12 are engaged with each other and secured together via bolts threaded through the connecting portions. During installation, tightening the bolts secures the two fixing members 12 together, thereby securing and sealing the connecting tube 10 to the guide frame leg 3.

[0029] In order to make the connection between the connecting tube 10 and the fixing member 12 tighter, the outer wall of the connecting tube 10 has a convex ring 13 extending outward, and the inner wall of the fixing member 12 is provided with a mounting groove corresponding to the convex ring 13, and the mounting groove is clamped on the convex ring 13.

[0030] Working process:

[0031] like Figure 5 As shown, when the interior of the balloon 4 is filled with hydraulic oil, the guide frame is placed in the water at the piling position so that the balloon 4 contacts the seabed;

[0032] like Figure 6-Figure 7 As shown, the hydraulic system 6 adjusts the hydraulic oil volume inside the balloon 4 to level the guide frame, and the steel pipe pile is inserted into the guide cylinder 2 so that the bottom end of the steel pipe pile is inserted into the sea mud before piling can be carried out. During piling, the hydraulic system 6 extracts the hydraulic oil in the balloon 4 to reduce the gap between the blocking particles 5 inside, and the particles 5 rub against each other under the pressure of the balloon 4, making the balloon 4 rigid.

[0033] like Figure 8 As shown, after the piling operation is completed, the hydraulic system 6 introduces hydraulic oil into the balloon 4 to make it flexible and return to its initial state, and lifts the guide frame.

[0034] In summary, the balloon of the anti-sinking structure of this design is filled with hydraulic oil and becomes flexible as a whole when it comes into contact with silt, and can conform to the shape of the seabed. After leveling, the hydraulic oil is pumped out and the internal blocking particles rub against each other to make the entire balloon rigid to ensure structural strength. When retracting, the hydraulic system injects a small amount of hydraulic oil into the balloon to release the blockage. The balloon becomes flexible and can reduce the influence of the silt adsorption force, thereby reducing the pulling force required for recovery and extending the service life of the structure.

[0035] The above description is merely a preferred embodiment of the present invention and does not limit the present invention in any way. Any person skilled in the art who, without departing from the scope of the present invention, makes any equivalent substitution, modification, or other changes to the technical solution and technical content disclosed in the present invention shall be deemed to be within the scope of the present invention and still fall within the scope of protection of the present invention.

Claims

1. An underwater guide frame with an anti-sinking function, the guide frame comprising a frame body (1) and four guide cylinders (2) vertically arranged on the frame body (1), the four guide cylinders (2) being symmetrically arranged in pairs, the frame body (1) having four vertically arranged guide frame legs (3), the four guide frame legs (3) being distributed at the four corners of a rectangle, characterized in that: The bottom end of the guide frame leg (3) is provided with a leveling and anti-sinking mechanism; The leveling and anti-sinking mechanism comprises a balloon (4), blocking particles (5) filled in the balloon (4), and a hydraulic system (6) communicated with the interior of the balloon (4); the balloon (4) is fixedly connected to the bottom end of the guide frame leg (3); and the hydraulic system (6) is used to fill the balloon (4) with hydraulic oil or to extract the hydraulic oil from the balloon (4).

2. The underwater guide frame with anti-sinking function according to claim 1, characterized in that: The bottom end of the guide frame leg (3) is sealed by an end plate (7); The hydraulic system (6) is installed in the guide frame leg (3), and a through hole (8) for the flow of hydraulic oil is opened on the end plate (7), and the through hole (8) is connected to the interior of the balloon (4).

3. The underwater guide frame with anti-sinking function according to claim 2, characterized in that: A filter plate (9) is attached to the bottom surface of the end plate (7), and the filter plate (9) is arranged opposite to the through hole (8).

4. The underwater guide frame with anti-sinking function according to claim 2, characterized in that: The balloon (4) has a connecting tube (10) connected to the guide frame leg (3); the connecting tube (10) is sleeved on the bottom end of the guide frame leg (3) and is fixedly and sealedly connected to the guide frame leg (3) through a fixing ring (11).

5. The underwater guide frame with anti-sinking function according to claim 4, characterized in that: The fixing ring (11) comprises two fixing members (12) arranged opposite to each other, the fixing members (12) being semicircular in shape, and both ends of the fixing members (12) having connecting portions extending radially outwards, and the two fixing members (12) being fixedly connected by bolts passing through the connecting portions after being relatively buckled.

6. The underwater guide frame with anti-sinking function according to claim 5, characterized in that: The outer wall of the connecting cylinder (10) has a convex ring (13) extending outward, and the inner wall of the fixing member (12) is provided with a mounting groove corresponding to the convex ring (13), and the mounting groove is clamped on the convex ring (13).

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