Construction method for transporting, positioning and dismantling pile stabilizing platform by single ship

Abstract

The invention discloses a construction method for transporting, positioning and dismantling a pile stabilizing platform by a single ship, which belongs to the technical field of offshore wind power engineering and comprises the following steps: step 1, transporting the pile stabilizing platform; 2, a crane ship is positioned; step 3, selecting and hanging a sling; 4, the pile stabilizing platform is hoisted and positioned; (5) the pile stabilizing platform touches the bottom and the positioning piles are inserted; step 6, lifting and hanging the truss of the pile stabilizing platform; and 7, the pile stabilizing platform is dismantled and recycled. According to the pile stabilizing platform truss with the improved structure, the U-shaped structure is adopted in the upper-layer truss body of the truss, the upper-layer hoop system capable of being opened in the two directions is installed at the opening of the U-shaped structure, and when the height of the pile stabilizing platform truss exceeds the height of a suspension arm, the suspension arm can be lowered into the U-shaped structure; therefore, the construction method for transporting, positioning and dismantling the pile stabilizing platform by the single ship and integrally hoisting the pile stabilizing platform is realized, and the construction method reduces the field cross operation, not only greatly improves the positioning and dismantling work efficiency of the pile stabilizing platform, but also reduces the construction cost.

Description

Technical Field

[0001] The present invention relates to the technical field of offshore wind power engineering, and in particular to a construction method for transporting, positioning and dismantling a pile stabilization platform by a single ship. Background Art

[0002] Single pile foundations are most widely used in offshore wind turbines. When constructing single pile foundations, floating crane vessels need to use pile stabilization platforms to assist in the positioning and leveling of the pile body. The pile stabilization platform is a truss-type structure. The main operation method is to fix the truss through four positioning piles at the four corners of the truss, and to adjust the verticality of the foundation pile through hydraulic cylinders arranged around the truss. At present, the conventional practice for positioning conventional pile stabilization platforms in China is to use a transport ship to transport the pile stabilization platform to the target sea area, and to install it by a floating crane vessel. However, this approach also brings about the problem that the pile stabilization platform requires special ship transportation, and there are many cross-working surfaces on site, which not only reduces the work efficiency but also increases the cost of single pile construction of offshore wind turbines. In addition, in the existing technology, the pile stabilization platform truss and positioning piles in the pile stabilization platform are hoisted separately, which greatly reduces the construction efficiency. Summary of the Invention

[0003] The object of the present invention is to provide a construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel with low construction cost and high work efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: A construction method for transporting, positioning, and dismantling a pile stabilization platform by a single vessel comprises the following steps: Step 1. Transporting the Pile Stabilization Platform: The Pile Stabilization Platform consists of a truss and positioning piles. The positioning piles are suspended from the truss. The platform is hoisted from shore to the deck of the crane using a crane on a crane vessel. When the platform's height exceeds the crane's boom, the platform's upper clamp system is opened, allowing the crane's boom to enter the hollow area within the U-shaped structure of the upper truss and connect the hook before hoisting. Once hoisting is complete, the platform is transported to the offshore construction site by the crane vessel. Step 2. Crane vessel positioning: The crane vessel approaches the site upstream. The anchor point position of the crane vessel is calculated in advance. After the crane vessel arrives, the anchor boat drops anchors to the designated location based on the calculated value. Two sets of figure-eight anchors are dropped from the bow and stern of the crane vessel. Using the crane vessel's built-in GPS positioning system, the anchors are then reeled in to position the crane vessel. Step 3. Select and attach the rigging: The rigging includes integral rigging and truss rigging. The hooks on the truss rigging straps are attached according to the center of gravity of the pile stabilization platform truss. The hooks on the integral rigging straps are attached according to the center of gravity of the pile stabilization platform. The two guy ropes at the crane base are attached to the pile stabilization platform. The center of gravity of the pile stabilization platform refers to the center of gravity of the pile stabilization platform truss and the positioning piles. Step 4. Lift and position the pile stabilization platform: Check the latches at the top of the pile stabilization platform's locating pile channel to ensure proper engagement between the latches on both sides of the locating piles. Lift the pile stabilization platform from the starboard side of the crane vessel to the stern. During the lifting process, adjust the platform's position using guy ropes. A person standing at the stern, holding a GPS controller, directs the crane operator to fine-tune the platform's position based on the GPS display. Step 5. Landing of the stabilizing platform and insertion of the positioning piles: Sweep the sea in advance, select a location with relatively flat seabed terrain to lower the crane hook, and slowly lower the stabilizing platform into the water. After the stabilizing platform lands, lift the vibrating hammer, use the clamp at the bottom of the vibrating hammer to clamp the top of the positioning pile, lift the vibrating hammer to pull the positioning pile slightly upward, so that the two sides of the positioning pile are Waist hole Drag the pin at the bottom to flip it upward until it automatically comes out of the waist hole; start the vibratory hammer and insert the positioning piles according to the pre-calculated positioning pile insertion depth data, using the diagonal insertion method to drive the four positioning piles to the elevation position; Step 6. Lift and hang the stabilizing platform truss: After the staking piles have been driven to the required elevation, they have become a stable foundation. Use the truss rigging to lift the stabilizing platform truss upward and use the turnbuckle rigging set to hang the stabilizing platform truss on the staking piles. Step 7. Dismantling and Recycling the Pile Stabilization Platform: After the wind turbine foundation pile is constructed with the assistance of the pile stabilization platform, use the truss lifting rigging to lift the pile stabilization platform truss upward, remove the shackle at the lower end of the basket bolt rigging assembly, separate the basket bolt rigging assembly from the pile stabilization platform truss, then lower the hook head to allow the pile stabilization platform truss to touch the bottom, and use a vibratory hammer to pull out the positioning piles in a diagonal sequence. When the lower end of the waist hole of the positioning pile approaches the pin, manually push the top of the pin to flip the pin from the upright state to the horizontal state, so that the pin is inserted into the waist hole of the positioning pile. Then slowly lower the positioning pile so that the positioning pile is hung on the pin. Use the integral lifting rigging to lift the pile stabilization platform to the deck of the crane vessel, completing the dismantling and recycling of the pile stabilization platform.

[0005] Furthermore, in step 6, the turnbuckle rigging group is mainly composed of the turnbuckle, and a wire rope loop is provided on the upper and lower parts of the turnbuckle. The upper wire rope loop is connected to the positioning pile lifting lug through a shackle, and the lower wire rope loop is connected to the pile stabilizing platform truss through a shackle; the wire rope loops on both sides of the turnbuckle can be replaced according to the relative position of the positioning pile and the truss, and the upper wire rope loop maintains a long-term connection with the positioning pile. After the truss is lifted, the lower wire rope is manually dragged to connect with the shackle at the truss lifting lug.

[0006] Furthermore, in step 6, after the truss of the pile stabilizing platform is hung, the hook is not released temporarily. The surveyor uses the height detection instrument R10 to read the height difference at the four corners of the truss of the pile stabilizing platform, and controls the basket bolts according to the height difference to fine-tune the horizontality of the pile stabilizing platform. After the adjustment is completed, the hook is released.

[0007] Furthermore, the pile stabilizing platform includes a pile stabilizing platform truss, an upper clamp system, a lower clamp system and four positioning piles. The pile stabilizing platform truss includes an upper truss, a lower truss and four positioning pile channels. The four positioning piles are respectively inserted into the four positioning pile channels. The upper truss is a U-shaped structure, and the lower truss is a square frame structure. The outer side of the lower truss is provided with an arc-shaped single pile fixing groove. The four corners of the upper truss and the lower truss are respectively fixedly connected to the four mutually parallel positioning pile channels, and the U-shaped opening of the upper truss and the arc-shaped single pile fixing groove on the lower truss are located on the same side. The upper clamp system is installed at the U-shaped opening of the upper truss, and the lower clamp system is installed at the arc-shaped single pile fixing groove of the lower truss. When the upper clamp system is opened, the boom of the crane ship can enter the hollow area within the U-shaped structure of the upper truss.

[0008] Furthermore, the upper clamp system includes four clamp devices, and the four clamp devices are used to clamp and fix the single pile; the lower clamp system includes two clamp devices, and the two clamp devices are used to clamp and fix the single pile together with the arc-shaped single pile fixing groove.

[0009] Furthermore, a fixed seat is provided at the upper end of the positioning pile channel and on both sides of the positioning pile channel. One end of the pin is hinged to the fixed seat through a transverse rotating shaft, and the other end of the pin extends into the positioning pile channel. Waist holes are provided on both sides of the positioning pile, and the pin is located in the waist holes. The positioning pile is inserted into the positioning pile channel and hung on the pin.

[0010] Furthermore, spare lifting lugs are distributed on the inner side wall of the U-shaped structure of the upper truss, and the spare lifting lugs are used when the height of the pile stabilizing platform exceeds the height of the crane boom.

[0011] The beneficial effects of the present invention are: (1) The construction method of the present application adopts an improved structure of the pile stabilizing platform truss, the upper truss of which adopts a U-shaped structure, and an upper clamp system that can be opened in both directions is installed at the opening of the U-shaped structure. When the height of the pile stabilizing platform truss exceeds the height of the boom, the boom can be lowered into the U-shaped structure, thereby realizing a construction method of single-ship transportation, positioning and dismantling. This construction method reduces on-site cross-operation, not only greatly improves the efficiency of positioning and dismantling the pile stabilizing platform, but also reduces the cost of single pile construction of offshore wind turbines.

[0012] (2) The construction method of this application adopts a method of using a single ship to lift the pile stabilizing platform as a whole. Since the trusses of the pile stabilizing platform and the positioning piles are connected by pins, the positioning piles are inserted into the positioning pile channels and hung on the pins. The pins can be flipped upward and disengaged from the elongated slots on the positioning piles. Through the mutual cooperation of the two, the pins can be automatically disengaged and semi-automatically inserted, thereby achieving the overall lifting of the pile stabilizing platform. This has the construction characteristics of high efficiency in positioning and dismantling the pile stabilizing platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described with reference to the accompanying drawings. However, the embodiments in the accompanying drawings do not limit the present invention in any way. A person skilled in the art can derive other drawings based on the following drawings without inventive effort. Figure 1 1 is a process flow chart of the construction method of the present invention; Figure 2 This is a schematic diagram of the structure of hoisting the pile stabilizing platform onto the deck of the crane vessel in the construction method of the present invention; Figure 3 This is a schematic diagram of the pile stabilizing platform after positioning in the construction method of the present invention; Figure 4 This is a schematic diagram of the pile stabilizing platform after it has been placed on the bottom and the positioning piles have been inserted in the construction method of the present invention; Figure 5 This is a schematic diagram of the pile stabilizing platform truss after it is lifted and suspended in the construction method of the present invention; Figure 6 This is a schematic structural diagram of the pile stabilization platform of the present invention; Figure 7 for Figure 6 A schematic diagram of the top structure of the upper truss shown; Figure 8 for Figure 6 A schematic diagram of the top view of the lower truss is shown; Figure 9 for Figure 6 The schematic diagram of the top view of the upper end surface of the positioning pile channel is shown.

[0014] In the figure: 1. Upper truss; 2. Lower truss; 3. Positioning pile channel; 4. Upper clamp system; 5. Lower clamp system; 6. Positioning pile; 7. Arc-shaped single pile fixing groove; 8. U-shaped opening; 9. Clamp device; 10. Arc-shaped clamp; 11. Hydraulic cylinder; 12. Balance buoyancy pontoon for center of gravity adjustment of pile stabilizing platform; 13. Anti-sinking boot; 14. Fixing seat; 15. Horizontal rotation axis; 16. Latch; 18. Lifting lug; 19. Push positioning device; 20. Positioning seat; 21. Horizontal push positioning screw; 22. Horizontal through-hole screw; 23. Pile stabilizing platform; 24. Crane; 25. Turnbuckle rigging set; 26. Pile stabilizing platform truss. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other unless there is a conflict.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper surface", "lower surface", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "forward", "reverse", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0017] like Figure 1 As shown, a construction method for transporting, positioning and dismantling a pile stabilization platform by a single vessel includes the following steps: Step 1. Transportation of the pile stabilizing platform: The pile stabilizing platform includes a pile stabilizing platform truss and positioning piles. The positioning piles are hung on the pile stabilizing platform truss. The pile stabilizing platform 23 on the shore is lifted to the deck of the crane ship by the crane on the crane ship 24. When the height of the pile stabilizing platform exceeds the height of the crane boom, the upper clamp system of the pile stabilizing platform is opened, and the crane boom enters the hollow area of the U-shaped structure of the upper truss and connects the hook before the lifting work is carried out. After the lifting is completed, the pile stabilizing platform is transported to the offshore construction site by the crane ship, such as Figure 2 shown.

[0018] Step 2. Crane vessel positioning: The crane vessel enters the site upstream and calculates the anchor point position of the crane vessel in advance. After the crane vessel enters the site, the anchor is dropped to the designated position by the anchor boat according to the calculated value. Two sets of figure eight anchors are dropped at the bow and stern of the crane vessel 24, and the crane vessel is positioned by winding the anchors according to the GPS positioning system of the crane vessel.

[0019] Step 3. Selection and attachment of slings: The slings include integral slings and truss slings. The hooks on the truss sling straps are attached according to the center of gravity of the pile stabilizing platform truss. The hooks on the integral sling straps are attached according to the center of gravity of the pile stabilizing platform. The two guy rope devices at the crane base are attached to the pile stabilizing platform. The center of gravity of the pile stabilizing platform refers to the center of gravity of the combination of the pile stabilizing platform truss and the positioning piles.

[0020] Step 4. Lifting and positioning of the pile stabilizing platform: Check the pins on the top of the positioning pile channel of the pile stabilizing platform to ensure that the pins on both sides of the positioning pile are properly plugged into the positioning piles. Then, lift the pile stabilizing platform 23 from the starboard side of the crane vessel 24 to the stern. During the lifting process, the posture of the pile stabilizing platform is adjusted by the guy rope. The person standing at the stern of the vessel holding a GPS handbook directs the crane operator to fine-tune the position of the pile stabilizing platform according to the position displayed by the GPS. Figure 3 shown.

[0021] Step 5. Landing of the stabilizing platform and insertion of the positioning piles: Sweep the sea in advance, select a location with relatively flat seabed terrain to lower the crane hook, and slowly lower the stabilizing platform into the water. After the stabilizing platform lands, lift the vibrating hammer, use the clamp at the bottom of the vibrating hammer to clamp the top of the positioning pile, lift the vibrating hammer to pull the positioning pile slightly upward, so that the two sides of the positioning pile are Waist hole Drag the pin at the bottom to flip it upward until it automatically comes out of the waist hole; start the vibrating hammer and insert the positioning piles according to the pre-calculated positioning pile insertion depth data. Use the diagonal insertion method to drive the four positioning piles to the elevation position, such as Figure 4 shown.

[0022] Step 6. Lifting and hanging the pile stabilization platform truss: After the positioning piles are driven to the elevation, the positioning piles have become a stable foundation. At this time, use the truss lifting rigging to lift the pile stabilization platform truss upwards, and use the basket bolt rigging set 25 to hang the pile stabilization platform truss 26 on the positioning piles 6, as shown in the figure. Figure 5 The turnbuckle rigging assembly consists of a turnbuckle as the main component, with a wire rope loop located above and below the turnbuckle. The upper wire rope loop is connected to the locating pile lug via a shackle, while the lower wire rope loop is connected to the stabilizing platform truss via a shackle. The wire rope loops on both sides of the turnbuckle can be replaced according to the relative position of the locating pile and the truss. The upper wire rope loop remains permanently connected to the locating pile. After the truss is lifted, the lower wire rope is manually dragged to connect to the shackle at the truss lug.

[0023] After the pile stabilizing platform truss is hung, the hook is not released yet. The surveyor uses the height detection instrument R10 to read the height difference at the four corners of the pile stabilizing platform truss, and controls the basket bolts according to the height difference to fine-tune the horizontality of the pile stabilizing platform. After the adjustment is completed, the hook is released.

[0024] Step 7. Dismantling and Recycling the Pile Stabilization Platform: After the wind turbine foundation pile is constructed with the assistance of the pile stabilization platform, use the truss lifting rigging to lift the pile stabilization platform truss upward, remove the shackle at the lower end of the basket bolt rigging assembly, separate the basket bolt rigging assembly from the pile stabilization platform truss, then lower the hook head to allow the pile stabilization platform truss to touch the bottom, and use a vibratory hammer to pull out the positioning piles in a diagonal sequence. When the lower end of the waist hole of the positioning pile approaches the pin, manually push the top of the pin to flip the pin from the upright state to the horizontal state, so that the pin is inserted into the waist hole of the positioning pile. Then slowly lower the positioning pile so that the positioning pile is hung on the pin. Use the integral lifting rigging to lift the pile stabilization platform to the deck of the crane vessel, completing the dismantling and recycling of the pile stabilization platform.

[0025] like Figure 6 、 7As shown in Figures 8 and 9, the pile stabilizing platform includes a pile stabilizing platform truss, an upper hoop system 4, a lower hoop system 5 and four positioning piles 6. The pile stabilizing platform truss includes an upper truss 1, a lower truss 2, four positioning pile channels 3, and the four positioning piles 6 are respectively inserted into the four positioning pile channels 3. The upper truss 1 is a U-shaped structure, the lower truss 2 is a square frame structure, and the outer side of the lower truss 2 is provided with an arc-shaped single pile fixing groove 7. The upper truss 1 and the lower truss 2 are connected to each other. The four corners of the upper truss 2 are fixedly connected to four parallel positioning pile channels 3. The U-shaped opening 8 of the upper truss 1 and the arc-shaped single pile fixing groove 7 on the lower truss 2 are located on the same side. The upper clamp system 4 is installed at the U-shaped opening of the upper truss 1, and the lower clamp system 5 is installed at the arc-shaped single pile fixing groove 7 of the lower truss 2. When the upper clamp system 4 is opened, the crane boom can enter the hollow area within the U-shaped structure of the upper truss. The height of the upper truss is not less than 6m, and the length of the positioning pile is not less than 65m. Because the upper clamp system that can be opened in both directions is installed at the opening of the U-shaped structure, when the height of the pile stabilizing platform truss exceeds the height of the boom, the boom can be lowered into the U-shaped structure, thereby enabling the transportation of the pile stabilizing platform by a single ordinary floating crane. The upper clamp system 4 includes four clamp devices 9, which are used to clamp and fix the single piles. The lower clamp system 5 includes two clamp devices 9, which are used to clamp and fix the single pile together with the arc-shaped single pile fixing groove. The clamp devices in the upper clamp system and the clamp devices in the lower clamp system have the same structure. The clamp device 9 includes an arc-shaped clamp 10 and a hydraulic cylinder 11. The hydraulic cylinder 11 in the clamp device in the upper clamp system 4 is installed on the upper truss 1. The outer side of the arc-shaped clamp 10 in the clamp device in the upper clamp system is hinged to the piston rod of the hydraulic cylinder 11. One end of the arc-shaped clamp 10 is hinged to the upper truss 4. The thrust force of the hydraulic cylinder is not less than 200 tons. Similarly, the hydraulic cylinder in the clamp device in the lower clamp system 5 is installed on the lower truss. The outer side of the arc-shaped clamp in the clamp device in the lower clamp system is hinged to the piston rod of the hydraulic cylinder, and one end of the arc-shaped clamp is hinged to the lower truss. A balancing buoy 12 for adjusting the platform's center of gravity is installed on one side of the bottom of the truss; an anti-sinking boot 13 is installed at the lower end of the positioning pile channel 3. By pumping water out of the balancing buoy 12, the platform's center of gravity is adjusted using the buoyancy of the water, preventing the platform from tilting when it touches the ground due to eccentricity. Fixed seats 14 are installed at the upper end of the positioning pile channel 3 and on both sides of the channel. One end of a latch 16 is hinged to the fixed seat 14 via a transverse shaft 15. The other end of the latch 16 extends into the positioning pile channel 3 and can be flipped upward. The positioning pile 6 is provided with waist holes (not shown) on both sides. The latch 16 is located in these waist holes. The positioning pile 6 is inserted into the positioning pile channel 3 and suspended from the latch 16.The upper end of the positioning pile channel 3 is also provided with a lifting ear 18 and four pushing positioning devices 19. The four pushing positioning devices 19 are evenly distributed around the positioning pile channel 3. The pushing positioning device 19 includes a positioning seat 20 and a transverse pushing positioning screw 21. The positioning seat 20 is fixed to the upper end of the positioning pile channel 3. The positioning seat 20 is provided with a transverse through-screw hole 22. One end of the transverse pushing positioning screw 21 passes through the transverse through-screw hole 22, and the transverse pushing positioning screw 21 is adapted to the transverse through-screw hole 22.

[0026] Taking the Rudong offshore wind power project as an example, the application of this method has improved construction efficiency and safety, reducing construction costs. A single foundation pile sinking operation using this method takes two days, requiring one main vessel and two anchor boats. Conventional methods take three days, requiring one main vessel, one transport vessel, and two anchor boats.

[0027] Taking the construction of a 4MW offshore wind turbine foundation as an example: the main construction ship is calculated at 300,000 yuan / day, the transport ship is calculated at 50,000 yuan / day, the anchor boat is calculated at 20,000 yuan / day, and labor (sea workers) is calculated at 700 yuan / day.

[0028] Cost comparison Number of days Machine shifts (10,000 yuan) Labor (10,000 yuan) Total (10,000 yuan) This construction method 2 30+2×2=34 30×0.07=2.1 72.2 Conventional construction methods 3 30+5+2×2=39 40×0.07=2.8 125.4 As shown in the table above, this method saves 1.254 million yuan - 722 million yuan = 532,000 yuan in construction costs compared to other methods. The Rudong offshore project employed this method for 98 engine positions, saving 90 to 100 days in construction time and approximately 52 million yuan in capital.

[0029] In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are mutually inconsistent. Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art may make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A construction method for transporting, positioning and dismantling a pile stabilization platform by a single vessel, characterized in that: The following steps are involved: Step 1. Transporting the Pile Stabilization Platform: The Pile Stabilization Platform consists of a truss and positioning piles. The positioning piles are suspended from the truss. The platform is hoisted from shore to the deck of the crane using a crane on a crane vessel. When the platform's height exceeds the crane's boom, the platform's upper clamp system is opened, allowing the crane's boom to enter the hollow area within the U-shaped structure of the upper truss and connect the hook before hoisting. Once hoisting is complete, the platform is transported to the offshore construction site by the crane vessel. Step 2. Crane vessel positioning: The crane vessel approaches the site upstream. The anchor point position of the crane vessel is calculated in advance. After the crane vessel arrives, the anchor boat drops anchors to the designated location based on the calculated value. Two sets of figure-eight anchors are dropped from the bow and stern of the crane vessel. Using the crane vessel's built-in GPS positioning system, the anchors are then reeled in to position the crane vessel. Step 3. Select and attach the rigging: The rigging includes integral rigging and truss rigging. The hooks on the truss rigging straps are attached according to the center of gravity of the pile stabilization platform truss. The hooks on the integral rigging straps are attached according to the center of gravity of the pile stabilization platform. The two guy ropes at the crane base are attached to the pile stabilization platform. The center of gravity of the pile stabilization platform refers to the center of gravity of the pile stabilization platform truss and the positioning piles. Step 4. Lift and position the pile stabilization platform: Check the latches at the top of the pile stabilization platform's locating pile channel to ensure proper engagement between the latches on both sides of the locating piles. Lift the pile stabilization platform from the starboard side of the crane vessel to the stern. During the lifting process, adjust the platform's position using guy ropes. A person standing at the stern, holding a GPS controller, directs the crane operator to fine-tune the platform's position based on the GPS display. Step 5. Landing the Pile Stabilization Platform and Inserting the Positioning Pile: Pre-clear the seabed and select a relatively flat seabed location to lower the crane hook and slowly lower the pile stabilization platform into the water. After the platform has landed, lift the vibratory hammer and clamp the top of the positioning pile with the clamp at the bottom of the vibratory hammer. Lift the vibratory hammer and pull the positioning pile slightly upward, so that the bottom of the waist holes on both sides of the positioning pile drags the pins, causing them to flip upward until they automatically disengage the waist holes. Start the vibratory hammer and insert the positioning piles according to the pre-calculated positioning pile insertion depth data. Using a diagonal insertion method, drive the four positioning piles to the elevation. Step 6. Lift and hang the stabilizing platform truss: After the staking piles have been driven to the required elevation, they have become a stable foundation. Use the truss rigging to lift the stabilizing platform truss upward and use the turnbuckle rigging set to hang the stabilizing platform truss on the staking piles. Step 7. Dismantling and Recycling the Pile Stabilization Platform: After the wind turbine foundation pile is constructed with the assistance of the pile stabilization platform, use the truss lifting rigging to lift the pile stabilization platform truss upward, remove the shackle at the lower end of the basket bolt rigging assembly, separate the basket bolt rigging assembly from the pile stabilization platform truss, then lower the hook head to allow the pile stabilization platform truss to touch the bottom, and use a vibratory hammer to pull out the positioning piles in a diagonal sequence. When the lower end of the waist hole of the positioning pile approaches the pin, manually push the top of the pin to flip the pin from the upright state to the horizontal state, so that the pin is inserted into the waist hole of the positioning pile. Then slowly lower the positioning pile so that the positioning pile is hung on the pin. Use the integral lifting rigging to lift the pile stabilization platform to the deck of the crane vessel, completing the dismantling and recycling of the pile stabilization platform.

2. The construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel according to claim 1 is characterized in that: In step 6, the turnbuckle rigging group is mainly composed of the turnbuckle, and a wire rope loop is set on the upper and lower parts of the turnbuckle. The upper wire rope loop is connected to the positioning pile lifting lug through a shackle, and the lower wire rope loop is connected to the pile stabilizing platform truss through a shackle; the wire rope loops on both sides of the turnbuckle can be replaced according to the relative position of the positioning pile and the truss, and the upper wire rope loop maintains a long-term connection with the positioning pile. After the truss is lifted, the lower wire rope is manually dragged to connect with the shackle at the truss lifting lug.

3. The construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel according to claim 2 is characterized in that: In step 6, after the truss of the pile stabilizing platform is hung, the hook is not released temporarily. The surveyor uses the height detection instrument R10 to read the height difference at the four corners of the truss of the pile stabilizing platform, and controls the basket bolts according to the height difference to fine-tune the horizontality of the pile stabilizing platform. After the adjustment is completed, the hook is released.

4. The construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel according to claim 1 is characterized in that: The stabilizing pile platform comprises a stabilizing pile platform truss, an upper clamping system, a lower clamping system and four positioning piles, the stabilizing pile platform truss comprises an upper truss, a lower truss, four positioning pile channels, the four positioning piles are respectively inserted into the four positioning pile channels, the upper truss is a U-shaped structure, the lower truss is a square frame structure, the outer side of the lower truss is provided with an arc-shaped single pile fixing groove, the four corners of the upper truss and the lower truss are respectively fixedly connected with four mutually parallel positioning pile channels, and the U-shaped opening of the upper truss and the arc-shaped single pile fixing groove on the lower truss are located on the same side, the upper clamping system is installed at the U-shaped opening of the upper truss, and the lower clamping system is installed at the arc-shaped single pile fixing groove of the lower truss; when the upper clamping system is opened, the boom of the crane ship can enter the hollow area in the U-shaped structure of the upper truss.

5. The construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel according to claim 4 is characterized in that: The upper clamp system includes four clamp devices, which are used to clamp and fix the single pile; the lower clamp system includes two clamp devices, which are used to clamp and fix the single pile together with the arc-shaped single pile fixing groove.

6. The construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel according to claim 5, characterized in that: A fixing seat is provided at the upper end of the positioning pile channel and on both sides of the positioning pile channel. One end of the latch is hinged to the fixing seat through a transverse rotating shaft, and the other end of the latch extends into the positioning pile channel. Waist holes are provided on both sides of the positioning pile, and the latch is located in the waist holes. The positioning pile is inserted into the positioning pile channel and hung on the latch.

7. The construction method for transporting, positioning and dismantling a pile stabilizing platform by a single vessel according to claim 6, characterized in that: Spare lifting lugs are distributed on the inner side wall of the U-shaped structure of the upper truss, and the spare lifting lugs are used when the height of the pile stabilizing platform exceeds the height of the crane boom.

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