Steel pipe pile lifting and turning device for ship construction in offshore wind power plant engineering
By designing a steel pipe pile lifting and turning device with multiple suspenders, wire ropes and lifting beams in offshore wind farm project, the problems of oil cylinder collision and damage that may be caused by existing devices during use are solved, and the stability of the main body of the steel pipe pile during the pile turning process and the normal progress of the construction process is achieved.
Patent Information
- Application Number
- CN202411691785.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-03-07
AI Technical Summary
In the existing offshore wind farm project, the lifting and overturning device for steel pipe piles for ship construction may cause shaking after unhooking, causing collision and damage of the oil cylinder, affecting subsequent construction processes.
A steel pipe pile lifting and turning device including multiple suspenders, wire ropes and hanging beams is designed. By providing structures such as double-ear plates, first suspenders, second suspenders, wire ropes and tail pliers, the stability of the steel pipe pile main body during the pile turning process is improved, and the oil cylinder collision caused by shaking of the shackle is prevented.
Through the design of this device, the stability of the steel pipe pile main body during the pile turning process is improved, the oil cylinder collision caused by shaking is prevented, the service life of the oil cylinder is extended, and the normal progress of the entire construction process is ensured.
Smart Images
Figure CN119568880A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of steel pipe pile lifting and turning device for ship construction in offshore wind farm projects, and in particular to a steel pipe pile lifting and turning device for ship construction in offshore wind farm projects. Background Art
[0002] Offshore wind power generation has the advantages of small environmental impact, small wind turbulence intensity, small wind shear, abundant resources, stable wind speed, few interference restrictions, and offshore wind farms do not occupy land. Therefore, offshore wind power generation will be developed on a large scale and will become the key development direction of wind utilization in the future. Most offshore wind farms are single pile foundations. The diameter of the steel pipe pile is 6-7 meters and the length is about 70 meters. For the large steel pipe piles used in offshore wind farms, pile turning devices will be used during the construction of the steel pipe piles; However, in the existing offshore wind farm projects, the steel pipe pile lifting and pile turning device for ship construction may cause the shackle to shake after unhooking, thereby causing the oil cylinder to collide, resulting in damage to the oil cylinder, affecting the normal use of the subsequent oil cylinder. The damage to the oil cylinder will affect the normal operation of the subsequent entire steel pipe pile lifting and pile turning device, resulting in the entire subsequent construction process being affected and causing unnecessary losses. Summary of the invention
[0003] In order to overcome the shortcomings of the prior art, the present invention provides a steel pipe pile lifting and turning pile device for ship construction in offshore wind farm projects, which can solve the technical problem that the existing steel pipe pile lifting and turning pile device for ship construction in offshore wind farm projects may cause the shackle to shake after unhooking during use, thereby causing a collision of the oil cylinder, resulting in damage to the oil cylinder, affecting the subsequent normal use of the oil cylinder, and the damage to the oil cylinder will affect the subsequent normal operation of the entire steel pipe pile lifting and turning pile device, resulting in the progress of the entire subsequent construction being affected, causing unnecessary losses.
[0004] To solve the above technical problems, the present invention provides the following technical solutions: A steel pipe pile lifting and turning pile device for ship construction in an offshore wind farm project, comprising a steel pipe pile body, a double ear plate is provided on one end surface of the steel pipe pile body, and a first sling is sleeved on the outer side of the double ear plate, a second sling is distributed on one side of the first sling, one end of the first sling is fixedly connected to a first steel wire rope, one end of the second sling is fixedly connected to a second steel wire rope, an end of the first steel wire rope away from the first sling is connected to a hanging beam, and the other end of the hanging beam is connected to a third sling, one end of the second steel wire rope is connected to a fourth sling through the hanging beam, a fifth sling is distributed on one side of the second steel wire rope, and a flat shackle is fixedly connected to the bottom of the fifth sling, the other end of the flat shackle is fixedly connected to the third steel wire rope, and an end of the third steel wire rope away from the flat shackle is connected to a tail clamp, and a clamping structure is provided on the inner side of the tail clamp.
[0005] As a preferred technical solution of the present invention, the clamping structure includes a connecting ear, a rubber protrusion, a hydraulic cylinder, a lifting seat and teeth, the connecting ear is welded to the top of the tail pliers, the top of the inner wall of the tail pliers is provided with a rubber protrusion, the bottom of the inner cavity of the tail pliers is provided with a hydraulic cylinder, and the top of the hydraulic cylinder is fixedly connected to the lifting seat, and the upper surface of the lifting seat is provided with teeth.
[0006] As a preferred technical solution of the present invention, the double-ear plates are symmetrically distributed along the vertical center line of the steel pipe pile body.
[0007] As a preferred technical solution of the present invention, the first sling is sleeved on the outer side of the double-ear plate, and the first sling is symmetrically distributed on both sides of the steel pipe pile body.
[0008] As a preferred technical solution of the present invention, the second sling is fixedly connected to the second steel wire rope, and the second steel wire rope is fixedly connected to the fourth sling.
[0009] As a preferred technical solution of the present invention, the fifth sling is connected to the fourth sling, and the fifth sling is connected to the third steel wire rope via the flat shackle.
[0010] As a preferred technical solution of the present invention, the top end of the inner side wall of the tail slipping clamp is provided with an arc surface, and the rubber protrusions are equidistantly distributed along the center point of the arc surface.
[0011] As a preferred technical solution of the present invention, the lifting seat is slidably connected to the tail clamp through the hydraulic cylinder, and the hydraulic cylinder is symmetrically distributed on both sides of the bottom of the lifting seat.
[0012] Compared with the prior art, the present invention can achieve the following beneficial effects: 1. The combination of multiple slings, wire ropes, hanging beams and other structures can improve the stability of the entire steel pipe pile body during the subsequent pile turning process, and can also prevent the shackle from shaking after unhooking and causing the cylinder to collide. This can not only increase the practicality of the entire device, but also effectively avoid the occurrence of collisions, and can fully prevent the subsequent collisions between cylinders and cause damage; 2. Combined with the rubber protrusion, hydraulic cylinder, lifting seat and other structures, it is convenient to improve the stability of the clamping connection between the entire tail clamp and the steel pipe pile body, prevent slipping, and facilitate better auxiliary pile turning of the steel pipe pile body in the future. It is more practical. The inner wall of the top of the tail clamp is provided with an arc surface, which can better contact the outer surface of the steel pipe pile body. Then the hydraulic cylinder pushes the lifting seat to make the arc-shaped teeth contact the inner wall of the steel pipe pile body, so as to make a better connection between the tail clamp and the steel pipe pile body. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of a steel pipe pile lifting and turning device for ship construction in an offshore wind farm project of the present invention; Figure 2 It is a side structural schematic diagram of a steel pipe pile lifting and turning device for ship construction in an offshore wind farm project of the present invention; Figure 3 It is a schematic diagram of the side structure of the first lifting belt of the steel pipe pile lifting and turning device for ship construction in the offshore wind farm project of the present invention; Figure 4 It is a schematic diagram of the main structure of a steel pipe pile of a steel pipe pile lifting and turning device for ship construction in an offshore wind farm project of the present invention; Figure 5 It is a schematic diagram of the upward structure of the tail clamp of the steel pipe pile lifting and turning device for ship construction in the offshore wind farm project of the present invention; Figure 6 It is a schematic diagram of the cross-sectional structure of the tail clamp of the steel pipe pile lifting and turning device for ship construction in the offshore wind farm project of the present invention; Among them: 1. Steel pipe pile body; 2. Double ear plate; 3. First lifting belt; 4. Second lifting belt; 5. First steel wire rope; 6. Second steel wire rope; 7. Lifting beam; 8. Third lifting belt; 9. Fourth lifting belt; 10. Fifth lifting belt; 11. Flat shackle; 12. Third steel wire rope; 13. Tail clamp; 14. Connecting ear; 15. Rubber protrusion; 16. Hydraulic cylinder; 17. Lifting seat; 18. Teeth. DETAILED DESCRIPTION
[0014] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.
[0015] Example Please refer to Figure 1 and Figure 2As shown, the present invention provides a steel pipe pile lifting and turning device for ship construction in an offshore wind farm project, comprising a steel pipe pile body 1, a double ear plate 2 is provided on one end surface of the steel pipe pile body 1, and a first sling 3 is sleeved on the outer side of the double ear plate 2, a second sling 4 is distributed on one side of the first sling 3, a first steel wire rope 5 is fixedly connected to one end of the first sling 3, a second steel wire rope 6 is fixedly connected to one end of the second sling 4, an end of the first steel wire rope 5 away from the first sling 3 is connected to a hanging beam 7, and the other end of the hanging beam 7 is connected to a third sling 8, one end of the second steel wire rope 6 is connected to a fourth sling 9 through the hanging beam 7, a fifth sling 10 is distributed on one side of the second steel wire rope 6, and a flat shackle 11 is fixedly connected to the bottom of the fifth sling 10, the other end of the flat shackle 11 is fixedly connected to the third steel wire rope 12, and an end of the third steel wire rope 12 away from the flat shackle 11 is connected to a tail clamp 13, and a clamping structure is provided on the inner side of the tail clamp 13; When in use, first clamp the tail clamp 13 to one end of the steel pipe pile body 1, then put the sling on the outside of the double ear plate 2, and use the connection and work between the pulley and the hanging beam 7 to realize the pile turning process of the entire steel pipe pile body 1, which is not only more convenient but also more stable; As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a double-ear plate 2 is provided on one end surface of the steel pipe pile body 1, and a first sling 3 is sleeved on the outer side of the double-ear plate 2, the double-ear plate 2 is symmetrically distributed along the vertical center line of the steel pipe pile body 1, the first sling 3 is sleeved on the outer side of the double-ear plate 2, and the first sling 3 is symmetrically distributed on both sides of the steel pipe pile body 1, a second sling 4 is distributed on one side of the first sling 3, the second sling 4 is fixedly connected to the second steel wire rope 6, and the second steel wire rope 6 is fixedly connected to the fourth sling 9, one end of the first sling 3 is fixedly connected to the first steel wire rope 5, one end of the second sling 4 is fixedly connected to the second steel wire rope 6, and the first sling 4 is fixedly connected to the fourth sling 9. One end of a steel wire rope 5 away from the first sling 3 is connected to a hanging beam 7, and the other end of the hanging beam 7 is connected to a third sling 8, one end of a second steel wire rope 6 is connected to a fourth sling 9 through the hanging beam 7, a fifth sling 10 is distributed on one side of the second steel wire rope 6, and a flat shackle 11 is fixedly connected to the bottom of the fifth sling 10, the fifth sling 10 is connected to the fourth sling 9, and the fifth sling 10 is connected to the third steel wire rope 12 through the flat shackle 11, the other end of the flat shackle 11 is fixedly connected to the third steel wire rope 12, and the end of the third steel wire rope 12 away from the flat shackle 11 is connected to a tail clamp 13; When in use, first hang the sling on the deck according to the above-mentioned sling design, first rotate the boom to the steel pipe pile body 1 to install the tail clamp 13, then adjust it to an operating radius of 47m and rotate it to the main lifting lug to connect the main lifting lug, then the double main hooks are slowly lifted, the steel pipe pile body 1 begins to turn over, the third steel wire rope 12 is gradually straightened from a relaxed state, and the pile bottom is pressed on the pier pad on the transport ship. At this time, the tension on the third steel wire rope 12 is 0, continue to lift the double main hooks, the tail wire rope begins to be stressed, and the As the pulling force gradually increases, the distance between the two main hooks gradually increases. At this time, the boom slowly rotates to the right, and the combined force of the two main hooks gradually moves from the left side of the center of gravity to just above the center of gravity. The pressure on the pier pad at the stern of the transport ship under the pile bottom gradually tends to 0. Then the double main hooks are continuously lifted, and the boom continues to slowly rotate to the right until the combined force of the two main hooks is just above the center of gravity. At this time, the pressure on the pier pad at the stern of the transport ship under the pile bottom is 0, and the steel pipe pile body 1 leaves the transport ship pier pad at a specified angle. At this time, when the steel pipe pile body 1 is lifted off the ship, the forces on the two main hooks and multiple slings are distributed. The steel pipe pile body 1 is evenly distributed. After the steel pipe pile body 1 is lifted to 1m higher than the saddle seat, the lifting is stopped and the transport ship is anchored and sails away. After the transport ship is away, the two main hooks are lowered synchronously. During the process, the double main hooks are controlled to be evenly stressed. Finally, the bottom of the steel pipe pile body 1 is placed on the mud surface, and the upper flange does not touch the mud surface. Then "Guansheng Yihang" anchors toward the bow and continues to lower the hook head until the third wire rope 12 is no longer stressed. Then adjust the position of the boom and the double main hooks. During the process, the double main hooks are controlled to be evenly stressed. After lifting the double main hooks, "Guansheng Yihang" continues to move toward the bow. The steel pipe pile body 1 is turned over until it is vertical, and the turning over of the steel pipe pile body 1 is completed. Then the steel pipe pile body 1 is lifted to leave the mud surface. At this time, the tail clamp 13 is separated from the bottom of the steel pipe pile body 1 to the mud surface, and then the automatic unpinning device of the 1250t flat shackle 11 is started to separate the third wire rope 12 from the shackle, and then the auxiliary hook is used to lift and recover the tail clamp 13 and the third wire rope 12. According to the satellite positioning data, "Guansheng Yihang" can move the center of the ship-borne pile stabilizing platform to the designed position by turning the anchor; As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the top of the inner wall of the tail clamp 13 is provided with an arc surface, and the rubber protrusions 15 are equidistantly distributed along the center point of the arc surface, the connecting ear 14 is welded and connected to the top of the tail clamp 13, and the tail clamp 13 is connected to the third wire rope 12 through the connecting ear 14, and the top of the inner wall of the tail clamp 13 is provided with a rubber protrusion 15, and the bottom of the inner cavity of the tail clamp 13 is provided with a hydraulic cylinder 16, and the top of the hydraulic cylinder 16 is fixedly connected with a lifting seat 17, and the lifting seat 17 is slidably connected with the tail clamp 13 through the hydraulic cylinder 16, and the hydraulic cylinder 16 is symmetrically distributed on both sides of the bottom of the lifting seat 17, and the upper surface of the lifting seat 17 is provided with teeth 18, and the connecting ear 14, the rubber protrusion 15, the hydraulic cylinder 16, the lifting seat 17 and the teeth 18 constitute a clamping structure, and the clamping structure is arranged on the inner side of the tail clamp 13; When the tail clamp 13 is connected to the steel pipe pile body 1, the grooves provided on the side walls of the tail clamp 13 will engage with the side walls of the steel pipe pile body 1, and the multiple rubber protrusions 15 evenly distributed on the inner side wall of the top of the tail clamp 13 will contact with the surface of the steel pipe pile body 1, thereby increasing the friction between the two, and then the hydraulic cylinder 16 works to longitudinally push the lifting seat 17 fixedly connected to its top to achieve the longitudinal movement of the lifting seat 17, and when the lifting seat 17 moves longitudinally, the teeth 18 will contact with the inner side wall of the steel pipe pile body 1, thereby further improving the stability of the engagement between the tail clamp 13 and the steel pipe pile body 1; Specific working principle: When in use, firstly suspend the sling on the deck according to the above-mentioned sling design, first rotate the boom to the steel pipe pile body 1 to install the tail clamp 13, when the tail clamp 13 is connected to the steel pipe pile body 1, the grooves provided on the side walls of the tail clamp 13 will engage with the side walls of the steel pipe pile body 1, and the multiple rubber protrusions 15 evenly distributed on the inner side wall of the top of the tail clamp 13 will contact with the surface of the steel pipe pile body 1, thereby increasing the friction between the two, and then the hydraulic cylinder 16 works to longitudinally push the lifting seat 17 fixedly connected to its top to realize the longitudinal movement of the lifting seat 17, and when the lifting seat 17 moves longitudinally, the teeth 18 will be engaged with the steel pipe pile body 1, thereby further improving the engagement stability between the tail clamp 13 and the steel pipe pile body 1, then adjusting to the operating radius of 47m and rotating to the main lifting lug to connect the main lifting lug, then the double main hooks are slowly lifted, the steel pipe pile body 1 begins to turn over, the third steel wire rope 12 is gradually straightened from a relaxed state, and the pile bottom is pressed on the pier pad on the transport ship. At this time, the tension on the third steel wire rope 12 is 0, and the double main hooks are continued to be lifted. The tail wire rope begins to be stressed, and the tension gradually increases, and the distance between the double main hooks gradually increases. At this time, the boom slowly rotates to the right, and the combined force of the two main hooks gradually moves from the left side of the center of gravity to just above the center of gravity. The pier pad at the stern of the transport ship is gradually lifted by the pressure of the pile bottom. The angle of the crane arm gradually approaches 0, and then the double main hooks continue to be lifted, and the boom continues to rotate slowly to the right until the combined force of the two main hooks is just above the center of gravity. At this time, the pressure on the pile bottom of the pier pad at the stern of the transport ship is 0, and the steel pipe pile body 1 leaves the transport ship pier pad at a specified angle. At this time, when the steel pipe pile body 1 is lifted off the ship, the force distribution of the two main hooks and multiple slings is relatively uniform. After the steel pipe pile body 1 is lifted higher than the saddle seat by 1m, the lifting is stopped, and the transport ship anchors and leaves. After the transport ship leaves, the two main hooks are lowered synchronously again. During the process, the double main hooks are controlled to be evenly stressed. Finally, the bottom of the steel pipe pile body 1 is placed on the mud surface, and the upper flange does not touch the mud surface. Then "Guansheng Yihang" anchors toward the bow and continues to lower the hook head to the third steel The wire rope 12 is no longer under stress, and then the position of the boom and the double main hooks are adjusted. During the process, the double main hooks are controlled to be evenly stressed, and the double main hooks are lifted. "Guan Sheng Yi Hang" continues to twist the anchor about 55m toward the bow, and turns over until the steel pipe pile body 1 is vertical, completing the pile turning process of the steel pipe pile body 1, and then lifts the steel pipe pile body 1 to leave the mud surface. At this time, the tail clamp 13 is detached from the bottom of the steel pipe pile body 1 to the mud surface, and then the automatic disengagement device of the 1250t flat shackle 11 is started to detach the third wire rope 12 from the shackle, and then the auxiliary hook is used to lift and recover the tail clamp 13 and the third wire rope 12. According to the satellite positioning data, "Guan Sheng Yi Hang" can move the center of the dragon mouth of the ship-borne pile stabilizing platform to the designed position by twisting the anchor.
[0016] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A steel pipe pile lifting and turning device for ship construction in an offshore wind farm project, comprising a steel pipe pile body (1), characterized in that: A double-ear plate (2) is provided on one end surface of the steel pipe pile body (1), and a first sling (3) is sleeved on the outer side of the double-ear plate (2), a second sling (4) is distributed on one side of the first sling (3), one end of the first sling (3) is fixedly connected to a first steel wire rope (5), one end of the second sling (4) is fixedly connected to a second steel wire rope (6), one end of the first steel wire rope (5) away from the first sling (3) is connected to a sling beam (7), and the other end of the sling beam (7) is connected to a third sling ( 8), one end of the second steel wire rope (6) is connected to a fourth sling (9) through the lifting beam (7), a fifth sling (10) is distributed on one side of the second steel wire rope (6), and a flat shackle (11) is fixedly connected to the bottom of the fifth sling (10), the other end of the flat shackle (11) is fixedly connected to a third steel wire rope (12), and one end of the third steel wire rope (12) away from the flat shackle (11) is connected to a tail clamp (13), and a clamping structure is provided on the inner side of the tail clamp (13).
2. According to claim 1, a steel pipe pile lifting and turning device for ship construction in an offshore wind farm project is characterized in that: The clamping structure comprises a connecting ear (14), a rubber protrusion (15), a hydraulic cylinder (16), a lifting seat (17) and teeth (18); the connecting ear (14) is welded to the top of the tail pliers (13); the top of the inner wall of the tail pliers (13) is provided with a rubber protrusion (15); the bottom of the inner cavity of the tail pliers (13) is provided with a hydraulic cylinder (16); the top of the hydraulic cylinder (16) is fixedly connected to the lifting seat (17); and the upper surface of the lifting seat (17) is provided with teeth (18).
3. The steel pipe pile lifting and turning device for ship construction in an offshore wind farm project according to claim 1 is characterized by: The double-ear plates (2) are symmetrically distributed along the vertical center line of the steel pipe pile body (1).
4. The steel pipe pile lifting and turning device for ship construction in an offshore wind farm project according to claim 1 is characterized by: The first sling (3) is sleeved on the outside of the double-ear plate (2), and the first sling (3) is symmetrically distributed on both sides of the steel pipe pile body (1).
5. The steel pipe pile lifting and turning device for ship construction in an offshore wind farm project according to claim 1 is characterized in that: The second sling (4) and the second steel wire rope (6) are fixedly connected, and the second steel wire rope (6) and the fourth sling (9) are fixedly connected.
6. The steel pipe pile lifting and turning device for ship construction in an offshore wind farm project according to claim 1 is characterized by: The fifth sling (10) is connected to the fourth sling (9), and the fifth sling (10) is connected to the third steel wire rope (12) via the flat shackle (11).
7. The device for lifting and turning steel pipe piles for ship construction in an offshore wind farm project according to claim 2 is characterized in that: The top end of the inner side wall of the tail slip clamp (13) is provided with an arc-shaped surface, and the rubber protrusions (15) are distributed at equal distances along the center point of the arc-shaped surface.
8. The device for lifting and turning steel pipe piles for ship construction in an offshore wind farm project according to claim 2 is characterized in that: The lifting seat (17) is slidably connected to the tail clamp (13) via the hydraulic cylinder (16), and the hydraulic cylinder (16) is symmetrically distributed on both sides of the bottom of the lifting seat (17).