CN219361283U

CN219361283U - Marine floating platform

Info

Publication number: CN219361283U
Application number: CN202223542785.4U
Authority: CN
Inventors: 卢石望; 李论; 刘平安; 李志杰
Original assignee: Jiangsu Licheng Transportation Technology Co ltd
Current assignee: Jiangsu Licheng Transportation Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-18
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an offshore floating platform. The offshore floating platform comprises a platform main body, an anti-collision facility, floating body fillers and an anchoring system, wherein the platform main body is assembled by a plurality of tubular units, the tubular units are of a centrifugally formed concrete tubular structure, and the adjacent tubular units are mechanically connected; the anti-collision facility is arranged on the tubular unit structure at the periphery of the platform main body; a float filler is filled within each tubular cell member cavity. According to the utility model, the centrifugally formed concrete tubular structure is used as a basic subunit of the floating platform, so that the concrete tubular structure is convenient to assemble and has different volumes and shapes, and the units are easy to replace; when the floating body filler is filled in the cavity of the tubular unit component, the pipe wall plays a certain role in protecting the hollow unit component; and an anti-collision facility is arranged on the peripheral tubular structure so as to ensure the safety of the floating platform. The floating platform is reasonable in design, simple in construction, high in work efficiency, free of large-scale installation equipment and low in measure cost.

Description

Marine floating platform

Technical Field

The utility model relates to the field of offshore wind power, in particular to an offshore floating platform.

Background

The traditional offshore floating platform is generally constructed near the sea or the project land, a concrete member prefabrication factory is built, the floating platform prefabrication member is produced nearby, or a steel structure floating box assembly is adopted. After the platform is assembled on land, the platform is launched into the sea through facilities such as a dock, a slideway, an air bag and the like, and is towed to a fixed position through a towing wheel to be anchored.

Patent CN 217575539U discloses a batch floating system for steel pipe pile foundations of offshore wind farms, which comprises an air bag device, a steel pipe pile fixing device, an air charging device, a floating dragging cable, an air charging pipe and a carrier; a plurality of steel pipe piles are fixed on the steel pipe pile fixing device, and the air bag device is filled in each steel pipe pile; two ends of the floating dragging cable are respectively connected with the steel pipe pile fixing device and the carrier; one end of the air charging pipe is connected with the air charging device, and the other end is respectively connected with each air bag device. For offshore wind power, the system provided by the utility model has the advantages that the used steel pipe piles are not batch products, and the plugging devices at the pile ends cannot be commonly used.

Patent CN 204775874U discloses a modular multifunctional offshore floating platform, which comprises a floating platform formed by a plurality of light modules, wherein steel frames are arranged around the light modules, and filling layers are arranged in the steel frames; the filling layer is divided into a first cement plate, a light waterproof refractory material and a second cement plate, and a supporting structure fixed in the steel frame is arranged below the light waterproof refractory material; the light waterproof refractory material is an expandable polystyrene board added with a flame retardant. The modularized construction is convenient to transport, install, maintain and replace, and can meet different task demands; the environment-friendly marine ecological environment-friendly heat-insulating fireproof material is environment-friendly, does not destroy marine ecology, and has outstanding heat-insulating fireproof performance. However, the combined floating body has the defects of poor resistance to external force and damage and easy sinking safety hazard; the floating body is inconvenient to install and position, and the structure is not firm enough.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the offshore floating platform which is applied to the field of offshore wind power, and has the advantages of reasonable design, simple construction, high work efficiency, no need of large-scale installation equipment and low measure cost.

Based on the above purpose, the present utility model proposes the following technical solutions:

the utility model provides an offshore floating platform, comprising:

the platform main body is assembled by a plurality of tubular units, the tubular units are of a centrifugally formed concrete tubular structure, and adjacent tubular units are mechanically connected;

the anti-collision facility is arranged on the tubular unit structure at the periphery of the platform main body;

a float filler filled in the cavity of each tubular unit member;

and one end of the anchoring system is connected with the platform main body, and the platform is provided with the anchoring system for ensuring the anchoring stability of the floating platform.

Further, the tubular structure of the present utility model is transported to the project site by land/water transportation after the factory production is completed, and assembled on land in various planar forms including hall-full arrangement, annular arrangement, divergent arrangement, etc.

Further, in the utility model, the tubular unit is a concrete tubular structure prefabricated and formed by centrifugal equipment, and the cross section of the tubular unit is in the form of a polymorphic cross section of an internal circular cavity, preferably a hexagonal interface; the tubular unit structure production can be referred to the tubular pile production process.

In the utility model, a tubular structure formed by centrifugation is adopted, so that the structure is more compact, and the strength and the durability of the structure are both greatly improved. Meanwhile, the overall efficiency is much higher than that of on-site cast-in-situ prefabrication through centrifugal molding.

Furthermore, when the adjacent tubular units are connected, the adjacent tubular units can be connected through a reserved hole on the pipe wall and a bolt during assembly; the screw sleeve can be pre-buried at the top of the tubular structure and connected with the steel plate screw rod in the later stage.

Furthermore, the anti-collision facility adopts a buffering energy-absorbing material as a main body of the anti-collision facility, such as a rubber material.

Furthermore, the utility model adopts the modes of embedding steel plates, embedding threaded sleeves and the like in the production of the tubular unit structure at the periphery of the platform main body, and the steel plates, the threaded sleeves and the like as carriers for the installation of anti-collision facilities in the later period.

Further, the floating body filler is an air bag, a plastic buoyancy tank, foam or low-density material and the like, and is used for providing buoyancy.

Further, in the utility model, in order to ensure that the floating body filler is not separated from the inner wall of the pipe under the action of buoyancy, a limiting measure can be arranged in the pipe; the limiting facility is a detachable limiting measure, so that the filling material in the maintenance cavity can be replaced at a later stage. The limiting means may be considered in combination with tubular structural connection means, such as by means of bolts, connecting steel plates, etc. of the connection means as their limiting means.

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the utility model, the centrifugally formed concrete tubular structure is used as a basic subunit of the floating platform, the platform is modularized, the connection modes of the tubular units are various, the units can be assembled conveniently in different volumes and shapes, and the units are easy to replace; the tubular structure is produced by factories rather than project sites, and the quality, strength, efficiency and the like of the centrifugally formed components are obviously improved.

(2) In the utility model, the floating body filler is arranged in the cavity of the centrifugal component, the pipe wall can play a certain role in protecting the floating body filler, the replacement and maintenance of the floating body are considered, and a detachable limiting facility is arranged.

(3) According to the utility model, the anti-collision facility is arranged on the peripheral tubular structure, so that the safety of the floating platform is ensured; by providing a mooring system for mooring stabilization of the floating platform.

(4) The floating platform does not need large-scale installation equipment, and has low measure cost.

Drawings

FIG. 1 is a schematic view of a centrifugally formed concrete tubular structure in accordance with the present utility model.

Fig. 2 is a schematic cross-sectional view of a centrifugally formed concrete tubular structure in accordance with the present utility model.

FIG. 3 is a schematic view of the structure of the offshore floating platform when the platform body according to the present utility model is arranged in a ring shape.

Fig. 4 is a schematic view of a main body structure of a platform formed by arranging tubular units in full.

Fig. 5 is a schematic view of a main body structure of a platform formed by annularly arranging tubular units according to the present utility model.

Fig. 6 is a schematic view of a main body structure of a platform formed by divergently arranging tubular units according to the present utility model.

Fig. 7 is a schematic view of the connection of adjacent tubular units through the pipe wall according to the present utility model.

Fig. 8 is a schematic diagram showing the connection of adjacent tubular units through a pipe roof.

Fig. 9 is a schematic diagram showing the connection of adjacent tubular units through a pipe roof.

Fig. 10 is a schematic view of the floating platform of the present utility model placed on the sea.

Each labeled in fig. 1-10: 1 tubular unit, 2 concrete, 3 cavity, 4 anticollision facility, 5 bolts, 6 screw sleeve, 7 steel sheet, 8 screw rods, 9 anchoring system, 10 body filler, 11 platform main part, body filler and anticollision facility integral structure.

Detailed Description

The present utility model will be described below by way of example with reference to the accompanying drawings, it being apparent that the utility model is not limited to the above-described embodiments, but is intended to cover various insubstantial modifications of the method concepts and technical solutions of the utility model, or applications of the inventive concepts and technical solutions without any modifications, as long as they are applied to other applications, without departing from the scope of the utility model.

As shown in fig. 3, an offshore floating platform, comprising:

the platform main body is formed by assembling a plurality of tubular units 1, wherein the tubular units 1 are of a centrifugally formed concrete tubular structure, and as shown in fig. 1, the adjacent tubular units 1 are mechanically connected;

the anti-collision facility 4 is arranged on the tubular unit structure at the periphery of the platform main body;

a float filler 10 filled in each of the tubular unit member cavities 3;

an anchoring system 9, one end of which is connected to the platform body, is provided with mooring means for ensuring the stability of the platform.

The tubular structure is transported to the project site by land/water transportation after the factory production is completed, and is assembled on land in various assembly plane forms, and in a preferred embodiment of the utility model, the platform body form of the tubular unit structure assembly comprises a full hall arrangement shown in fig. 4, a ring arrangement shown in fig. 5 and a divergent arrangement shown in fig. 6.

In a preferred embodiment of the present utility model, the tubular unit 1 is a concrete tubular structure prefabricated and formed by a centrifugal device, the cross section of the tubular unit structure is in the form of a hexagonal cross section with a circular cavity inside, and the production of the tubular unit structure can be used for referencing the production process of the tubular piles.

In a preferred embodiment of the utility model, the adjacent tubular units can be connected by reserving holes in the pipe wall and bolts 5 during assembly; the threaded sleeve 6 can be pre-buried at the top of the tubular structure, and the threaded sleeve is connected with the threaded rod 8 through the steel plate 7 during assembly.

In a preferred embodiment of the utility model, the anti-collision device/4 adopts a buffering energy-absorbing material rubber material as an anti-collision facility main body, and a pre-buried steel plate or a pre-buried threaded sleeve is used as a carrier for installing the anti-collision facility when the peripheral tubular unit structure of the platform main body is produced.

In a preferred embodiment of the present utility model, the floating body filler 10 is an air bag, a plastic buoyancy tank, foam or a low density material, etc. for providing buoyancy.

In a preferred embodiment of the utility model, limiting measures can be arranged in the pipe in order to ensure that the floating body filler does not separate from the inner wall of the pipe under the action of buoyancy; the limiting facility is a detachable limiting measure, so that the filling material in the maintenance cavity can be replaced at a later stage. The limiting means may be considered in combination with tubular structure connection means.

The production and construction process of the offshore floating platform comprises the following steps:

(1) Producing a centrifugally formed concrete tubular structure in a factory;

(2) Transporting each material and each component to a project site;

(3) Assembling on land and installing auxiliary facilities such as filling, anti-collision, anchoring systems and the like in the tubular unit structure;

(4) Finally, the tug goes out of the sea to be anchored and positioned and the polar platform upper facilities are installed.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. An offshore floating platform, comprising:

the platform main body is assembled by a plurality of tubular units (1), wherein the tubular units (1) are of a centrifugal formed concrete tubular structure, and adjacent tubular units are mechanically connected;

an anti-collision facility (4) which is arranged on the tubular unit structure at the periphery of the platform main body;

a float filler (10) filled in each tubular unit member cavity (3);

and an anchoring system (9) having one end connected to the platform body.

2. An offshore floating platform according to claim 1, wherein the platform body assembled from the tubular unit structures has a plurality of planar forms, including a full-hall arrangement, a ring-shaped arrangement, and a divergent arrangement.

3. An offshore floating platform according to claim 1, characterized in that the tubular unit (1) is a concrete tubular structure prefabricated by centrifugal equipment, the tubular unit structure cross-section being in the form of a polygonal cross-section of an internal circular cavity.

4. An offshore floating platform according to claim 1, characterized in that the adjacent tubular elements are connected by means of bolts (5) when assembled by means of preformed holes in the pipe wall.

5. Offshore floating platform according to claim 1, characterized in that the threaded sleeves (6) are pre-embedded at the tops of the tubular unit structures when connecting the adjacent tubular units, and are connected by steel plates (7) and screws (8) when assembling.

6. An offshore floating platform according to claim 1, characterized in that the anti-collision facility (4) adopts a buffering energy absorbing material as the anti-collision facility body and is installed by embedding steel plates or embedded threaded sleeves as the carrier of the anti-collision facility during production of the tubular unit structure at the periphery of the platform body.

7. An offshore floating platform according to claim 1, wherein the floating body filler (10) is an air bag, a plastic buoyancy tank, foam or a low density material.

8. An offshore floating platform according to claim 1, wherein the inner wall of the tubular unit structure is provided with removable limiting means.