Floating type single pile turnover device

Abstract

The utility model discloses a floating type single pile turnover device which comprises a top assembly and a bottom assembly which are arranged at the two ends of a steel pipe pile with the two ends open respectively and used for guaranteeing that the steel pipe pile forms a closed structure in the hoisting process, and therefore the construction requirement of floating type turnover is met. The top assembly and the bottom assembly each comprise a barrel, a baffle I, a bottom sealing plate and a supporting frame, the baffles I and the bottom sealing plates are fixed to the two ends of the barrels respectively, rails are arranged in the barrels and used for containing the supporting frames, and a plurality of air bags are arranged on the barrels. Aiming at the construction of a large wind power steel pipe pile hoisted by a single hook, the pile overturning device can overturn the pile by utilizing the buoyancy of a single pile, is also suitable for directly hoisting a small steel pipe pile with light weight, and is simple in overall structure, simple and convenient to operate, high in working efficiency and suitable for industrial popularization and use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to offshore construction technical field, concretely relates to a floating single pile turning-over device. BACKGROUND

[0002] The foundation pile of offshore wind power generally reaches the wind turbine position by lying operation, so there is a turning-over hoisting construction link. The single pile foundation turning-over process in the current offshore wind power construction process has the following modes: two crane turning-over hoisting, which needs two floating crane ships for construction and has high cost; turning-over device turning-over, which is generally suitable for turning-over of small piles and needs to be equipped with a turning-over device; if only single hook construction is used, the pile is hoisted and then the bottom is placed into the seabed, the pile is fixed at the bottom due to the friction of the seabed surface and can be turned over, which makes the pile below the water surface and subjected to large current load. With the continuous large-scale of wind turbines and the entry into deep sea area, the increase of water depth increases the current load on the single pile, and there is also the possibility that the water depth is too deep to reach the bottom. SUMMARY

[0003] To solve the technical problems in the prior art, the purpose of the utility model is to provide a floating single pile turning-over device.

[0004] To achieve the above purpose and achieve the above technical effect, the utility model adopts the following technical scheme:

[0005] A floating single pile turning-over device, which comprises a top assembly and a bottom assembly, is arranged at the two ends of a steel pipe pile with two open ends, is used to ensure that the steel pipe pile forms a closed structure during hoisting, so as to meet the construction requirements of floating turning-over, and the top assembly and the bottom assembly each comprise a cylinder, a baffle I, a bottom sealing plate and a support frame, the baffle I and the bottom sealing plate are fixed at the two ends of the cylinder, a track is arranged in the cylinder and is used to place the support frame, and a plurality of air bags are arranged on the cylinder.

[0006] A floating single pile turning-over device, which comprises a top assembly, is arranged at the open end of a steel pipe pile, is used to ensure that the steel pipe pile forms a closed structure during hoisting, so as to meet the construction requirements of floating turning-over, and the top assembly comprises a cylinder, a baffle I, a bottom sealing plate and a support frame, the baffle I and the bottom sealing plate are fixed at the two ends of the cylinder, a track is arranged in the cylinder and is used to place the support frame, and a plurality of air bags are arranged on the cylinder.

[0007] Further, the bottom assembly further comprises a water inlet pipe and a baffle II, one end of the water inlet pipe is fixedly connected with the baffle I, the other end is fixed with the bottom sealing plate, and the baffle II is fixed to the outer side of the cylinder.

[0008] Further, the cylinder is a cylindrical structure, the baffle I is a circular structure, a remote control valve II is arranged in the water inlet pipe, and the remote control valve II is used for controlling the water amount entering the steel pipe pile.

[0009] Further, the support frame comprises a loading plate, a pressing plate and a supporting rod, the supporting rod is connected with the loading plate and the pressing plate through bolts, a roller trolley is arranged on the periphery of the support frame, the roller trolley moves on a track, the supporting rod passes through the baffle I, and a threaded rod is arranged on the baffle I and passes through the loading plate.

[0010] Further, the cylinder is a cylindrical structure, the baffle I is a circular structure, a remote control valve II is arranged in the water inlet pipe, and the remote control valve II is used for controlling the water amount entering the steel pipe pile.

[0011] Further, the cylinder is a cylindrical structure, the baffle I is a circular structure, a remote control valve II is arranged in the water inlet pipe, and the remote control valve II is used for controlling the water amount entering the steel pipe pile.

[0012] Further, the cylinder is a cylindrical structure, the baffle I is a circular structure, a remote control valve II is arranged in the water inlet pipe, and the remote control valve II is used for controlling the water amount entering the steel pipe pile.

[0013] Further, the cylinder is a cylindrical structure, the baffle I is a circular structure, a remote control valve II is arranged in the water inlet pipe, and the remote control valve II is used for controlling the water amount entering the steel pipe pile.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a floating single pile turning-over device, aiming at the construction of large wind power steel pipe pile only adopting single hook hoisting, make it can utilize single pile self buoyancy and turn over, also applicable to the direct hoisting of small steel pipe pile with lighter weight, whole structure is simple, easy operation, high working efficiency, is suitable for industrialized popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure schematic diagram of the embodiment 1 of the utility model;

[0017] Figure 2 It is the front view of top subassembly of the embodiment 1 of the utility model;

[0018] Figure 3 It is the front view of bottom subassembly of the embodiment 1 of the utility model;

[0019] Figure 4 It is the plan view of bottom subassembly of the embodiment 1 of the utility model;

[0020] Figure 5 It is structure schematic diagram of the support frame of the embodiment 1 of the utility model;

[0021] Figure 6 It is structure schematic diagram of the embodiment 2 of the utility model. DETAILED DESCRIPTION

[0022] The utility model will be described below in detail, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, so that the protection scope of the utility model can be more clearly and explicitly defined.

[0023] The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

[0024] As Figures 1-6 shown, a floating single pile turning-over device includes a top assembly 1 or a top assembly 1 and a bottom assembly 2, the top assembly 1 and the bottom assembly 2 are similar in structure, mainly aiming at the hoisting process of the open-ended steel pipe pile 3, so that a closed structure is formed, so that the construction requirements of floating overturning can be achieved. It should be emphasized that the top assembly 1 can be used cooperatively with the bottom assembly 2, or can be used alone, and the pressure and friction force between the piles are fixed by the air bags on both sides, so as to directly overturn and hoist the small weight steel pipe pile.

[0025] In the utility model, the top assembly 1 includes a cylinder 4, a baffle I 5, a bottom sealing plate 6 and a support frame 7. The cylinder 4 is a cylindrical structure, and the bottom sealing plate 6 and the baffle I 5 are fixed at both ends of the cylinder 4 by bolts respectively. The baffle I 5 is a circular structure, and the inside of the cylinder 4 is provided with tracks 11 arranged symmetrically around, used for placing the support frame 7.

[0026] In the utility model, the bottom assembly 2 includes a cylinder 4, a baffle I 5, a bottom sealing plate 6, a support frame 7, a water inlet pipe 8 and a baffle II 9. The cylinder 4 is a cylindrical structure, and the bottom sealing plate 6 and the baffle I 5 are fixed at both ends of the cylinder 4 by bolts respectively. The baffle I 5 is a circular structure, and the top can be slotted and matched with the baffle II 9 for installing the tailing clamp 10. The baffle II 9 is fixed outside the cylinder 4 by bolts. The inside of the cylinder 4 is provided with tracks 11 arranged symmetrically around, used for placing the support frame 7.

[0027] Compared with the bottom assembly 2, the top assembly 1 does not have a water inlet pipe in the middle, and the internal structure and the air bag do not need to be holed. The top does not have a hoisting opening.

[0028] In the utility model, the support frame 7 includes the loading plate 12, the pressing plate 13 and the support rod 14. The support rod 14 is connected with the loading plate 12 and the pressing plate 13 through the bolt. The support frame 7 is provided with the roller trolley 15 on the periphery, and the roller trolley 15 walks on the track 11. The support rod 14 passes through the baffle I 5. The baffle I 5 is provided with the uniformly distributed threaded rod 51, and the threaded rod 51 passes through the loading plate 12.

[0029] In the utility model, one end of the water inlet pipe 8 is connected and fixed with the baffle I 5, and the other end is fixed with the bottom sealing plate 6. The water inlet pipe 8 is provided with the remote control valve II 16 inside, which is used for controlling the water amount entering the steel pipe pile 3. The pressing plate 13 and the air bag center are all provided with holes.

[0030] In the utility model, the cylinder 4 is provided with the air bag I 17 outside, the air bag II 18 inside and the air bag III 19 inside the support frame 7. The cylinder 4 is provided with the uniformly distributed through hole, and the connecting pipe 22 passes through the through hole to connect the air bag I 17 and the air bag II 18. The connecting pipe I 20 is connected with the air bag III 19 through the baffle I 5, and the connecting pipe I 20 is provided with the manual valve I. The connecting pipe II 21 is connected with the air bag I 17 through the baffle I 5, and the connecting pipe II 21 is provided with the remote control valve I and the pressure gauge.

[0031] The utility model is provided with two kinds of pressurizing modes. One is to drive the support frame 7 to extrude the air bag II 18 by inflating the air bag III 19, so as to achieve the purpose of pressurizing. The second is to push the support frame 7 by tightening the nut on the threaded rod, so as to pressurize. The construction process can be selected according to the actual situation.

[0032] The air bag I 17 can be selected in various forms according to the construction environment and safety needs. The whole annular air bag can be selected, or the split type air bag can be selected, and one split type air bag is arranged on each connecting pipe.

[0033] Embodiment 1

[0034] For the large weight steel pipe pile floating type turning and lifting:

[0035] 1) The lifting lug I 31 is arranged on both sides of the steel pipe pile 3, the steel wire rope I 24 is two annular steel wire rope loops, the steel wire rope II 25 is a single steel wire rope, and the bottom is connected with the tailing clamp 10. Before construction, the stress conditions of various components are calculated in advance, and the appropriate length of the steel wire rope is selected to ensure that the steel pipe pile 3 is slightly inclined after being lifted;

[0036] 2) Install the bottom assembly:

[0037] Open the remote control valve I and the manual valve I; inflate the air bag I 17, the air bag II 18 and the air bag III 19, so that the diameter of the air bag I 17 is close to the inner diameter of the bottom of the steel pipe pile 3; close the remote control valve I and the manual valve I;

[0038] Hoist the bottom assembly 2 into the bottom of the steel pipe pile 3, adjust the position so that the baffle Ⅰ 5 is close to the bottom of the steel pipe pile 3;

[0039] Open the manual valve Ⅰ and continue to pressurize, observe the pressure gauge on the connecting pipe Ⅱ 21, stop pressurizing when the predetermined pressure is reached, and close the valve;

[0040] 3) Install the top assembly:

[0041] Refer to the installation steps of the bottom assembly 2 in step 2);

[0042] 4) Hoist the steel pipe pile 3 into the sea, slowly lower it, and the buoyancy at the bottom of the steel pipe pile 3 will cause the steel wire rope to relax, and the tail sling will be removed;

[0043] 5) Open the remote control valve Ⅱ, so that seawater enters the inside of the steel pipe pile 3 through the water inlet pipe 8, and the steel pipe pile 3 slowly stands up, control the opening of the remote control valve to control the speed of water entering the steel pipe pile 3, and at the same time, the crane is lifted to speed up the overturning speed of the steel pipe pile 3;

[0044] 6) Open the remote control valve Ⅰ, slowly exhaust the air in the air bag Ⅰ 17, and take out the bottom assembly 2;

[0045] 7) After the steel pipe pile 3 is hoisted into place, the top assembly 1 is taken out in the same way.

[0046] Example 2

[0047] For small weight steel pipe pile overturning and hoisting:

[0048] 1) Set evenly distributed lifting lugs Ⅱ 32 on the baffle Ⅰ 5 of the top assembly 1. At this time, the bottom sealing plate 6 needs to be increased in diameter to ensure the bearing of the air bag Ⅰ 17 during construction. The length of the air bag Ⅰ 17 can be appropriately increased through calculation, and a non-slip pad or other structure is arranged at the position where it contacts the steel pipe pile 3 to ensure sufficient friction;

[0049] 2) Install the top assembly:

[0050] Open the remote control valve Ⅰ and the manual valve Ⅰ. Inflate the air bag Ⅰ 17, the air bag Ⅱ 18, and the air bag Ⅲ 19 so that the diameter of the air bag Ⅰ 17 is close to the inner diameter of the bottom of the steel pipe pile 3. Close the remote control valve Ⅰ and the manual valve Ⅰ;

[0051] Hoist the top assembly 1 into the top of the steel pipe pile 3, adjust the position so that the baffle Ⅰ 5 is close to the top of the steel pipe pile 3, and at this time the steel pipe pile 3 is placed on the pile transport ship 26;

[0052] Open the manual valve Ⅰ and continue to pressurize, observe the pressure gauge on the connecting pipe Ⅱ 21, stop pressurizing when the predetermined pressure is reached, and close the valve;

[0053] 3) Install the steel wire rope 27 and the sling, and hang the main lifting hook 28.

[0054] 4) Steel pipe pile 3 hoisting, lifting steel pipe pile 3, the boom slowly rotates with steel pipe pile 3, until steel pipe pile 3 is completely vertical;

[0055] 5) Steel pipe pile 3 hoisting in place after opening remote control valve I, the gas in the air bag I 17 slowly exhaust, after the top assembly 1 and steel pipe pile 3 separate take out the top assembly 1.

[0056] The part or structure not specifically described in the utility model can be adopted by prior art or prior product, which is not described here.

[0057] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the content of the utility model specification, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A floating single pile roll-off device, characterized by, The application relates to a floating pipe pile top and bottom assembly.

2. A floating single pile roll-off device according to claim 1, wherein, The bottom assembly further comprises a water inlet pipe and a baffle II, one end of the water inlet pipe is fixedly connected with the baffle I, the other end is fixed with the bottom sealing plate, and the baffle II is fixed to the outer side of the cylinder.

3. A floating single pile roll-off device according to claim 2, wherein, The cylinder is a cylindrical structure, the baffle I is a circular structure, a remote control valve II is arranged in the water inlet pipe and is used for controlling the water quantity entering the pipe pile.

4. A floating single pile roll-off device characterized by, The application relates to a floating pipe pile top and bottom assembly.

5. A floating single pile roll-off device according to claim 1 or 4, wherein The support frame comprises a loading plate, a pressing plate and a supporting rod, the supporting rod is connected with the loading plate and the pressing plate through bolts, a roller trolley is arranged on the periphery of the support frame, the roller trolley walks on the track, the supporting rod passes through the baffle I, a threaded rod is arranged on the baffle I, and the threaded rod passes through the loading plate.

6. A floating single pile roll-off device according to claim 1 or 4, wherein A cylinder I is arranged outside the cylinder, a cylinder II is arranged inside the cylinder, and a cylinder III is arranged inside the support frame.

7. A floating single pile roll-off device according to claim 6, wherein, The cylinder I and the cylinder II are connected through a connecting pipe.

8. A floating single pile roll-off device according to claim 6, wherein, A connecting pipe I is connected with the cylinder III through the baffle I, and a manual valve I is arranged on the connecting pipe I.

9. A floating single pile roll-off device according to claim 6, wherein, A connecting pipe II is connected with the cylinder I through the baffle I, and a remote control valve I and a pressure gauge are arranged on the connecting pipe II.

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