阅读说明：本技术 一种海上多功能波浪补偿装置 (Multifunctional wave compensation device on sea ) 是由 兰公英 邹士亮 陈永东 李涛 李铁军 于 2020-07-09 设计创作，主要内容包括：本发明提供了一种海上多功能波浪补偿装置,所述波浪补偿装置包括平台、升沉油缸、防倾拉杆和基座；所述平台的底部四角处设有升沉油缸,所述升沉油缸的底部设置在所述基座的一端,各组所述升沉油缸顶部共同支撑所述平台,任一相邻的三组所述升沉油缸带有防倾拉杆,另外一组所述升沉油缸不带有防倾拉杆,所述防倾拉杆一端通过关节轴承设置在所述升沉油缸相对侧的另一端所述基座上,所述防倾拉杆的另一端通过关节轴承倾斜的设置在所述升沉油缸顶部附近的平台底部。本发明通过设置升沉油缸和防倾拉杆可以实现同时对横摇、纵摇及垂直方向的升沉运动进行补偿,大大减少波浪带来的影响。(The invention provides an offshore multifunctional wave compensation device which comprises a platform, a heave cylinder, an anti-tilt pull rod and a base, wherein the platform is provided with a plurality of lifting cylinders; the four corners of the bottom of the platform are provided with heave cylinders, the bottoms of the heave cylinders are arranged at one end of the base, the tops of the heave cylinders of all groups jointly support the platform, any three adjacent groups of the heave cylinders are provided with anti-tilt pull rods, the other group of the heave cylinders are not provided with anti-tilt pull rods, one ends of the anti-tilt pull rods are arranged on the base at the other end of the opposite side of the heave cylinders through joint bearings, and the other ends of the anti-tilt pull rods are obliquely arranged at the bottom of the platform near the tops of the heave cylinders through the joint bearings. The invention can realize the compensation of the heave motion in the rolling, pitching and vertical directions simultaneously by arranging the heave cylinder and the anti-tilt pull rod, thereby greatly reducing the influence caused by waves.)

1. The utility model provides a multi-functional wave compensation device on sea which characterized in that: the wave compensation device comprises a platform (1), a heave cylinder (2), an anti-tilt pull rod (3) and a base (4); four corners of the bottom of the platform (1) are provided with heave cylinders (2), the bottom of the heave cylinders (2) is arranged at one end of the base (4), the top of the lifting oil cylinders (2) is connected with the bottom of the platform (1) through joint bearings, the top of each group of the lifting oil cylinders (2) supports the platform (1) together, the bottom of the heave cylinders (2) is connected with the top surface of the base (4) through a joint bearing, any three adjacent groups of the heave cylinders (2) are provided with anti-tilt pull rods (3), the other group of the heave cylinders (2) is not provided with an anti-tilting pull rod (3), one end of the anti-tilting pull rod (3) is arranged on the base (4) at the other end of the opposite side of the heave cylinders (2) through a joint bearing, the other end of the anti-tilting pull rod (3) is obliquely arranged at the bottom of the platform (1) near the top of the heave oil cylinder (2) through a joint bearing.

2. Multifunctional marine heave compensation device according to claim 1, characterized in that: the wave compensation device is 18.4m in length, 15m in width and 7m in ground clearance height, the designed working environment is a 4-level sea state, and the wave compensation function of 1.5 meters above and below the sea can be realized.

3. Multifunctional marine heave compensation device according to claim 1, characterized in that: the four sets of the heave cylinders (2) can jack the platform (1) for 1.5m, and the wave compensation device is started to compensate for the heave motion in the rolling, pitching and vertical directions, so that the goods are kept stable.

4. Multifunctional marine heave compensation device according to claim 1, characterized in that: the wave compensation device is installed on a wind power transport ship, the base (1) is fixed on a deck at one end of the wind power transport ship, a lifting tower cylinder (5), an engine room (6) or blades (7) are arranged on the top surface of the platform (1), and the lifting tower cylinder (5), the engine room (6) or the blades (7) are fixed on the top surface of the platform (1).

5. Multifunctional marine heave compensation device according to claim 1, characterized in that: the wave compensation device is installed on an offshore hoisting engineering ship, the base (1) is fixed on a deck at one end of the offshore hoisting engineering ship, a crane (8) is arranged on the top surface of the platform (1), and the crane (8) is fixed on the top surface of the platform (1).

6. Multifunctional marine heave compensation device according to claim 1, characterized in that: the wave compensation device is installed on a wind field maintenance ship, the base (1) is fixed on a deck at one end of the wind field maintenance ship, the top surface of the platform (1) is provided with a gap bridge (9), and the gap bridge (9) is fixed on the top surface of the platform (1).

7. Multifunctional marine heave compensation device according to claim 1, characterized in that: the power of the heave oil cylinder is 700 t.

Technical Field

The invention relates to the technical field of offshore exploration, in particular to an offshore multifunctional wave compensation device.

Background

Under the double stress of global energy convergence and energy conservation and emission reduction, new renewable energy sources are disfavored. Wind power generation is the most sought after relative to the higher price of solar power generation and the nearly saturated hydroelectric resources. And among them, the offshore wind power has rapidly opened the market by virtue of the advantages of abundant resource reserves, stable power generation, convenient power grid access and the like, and gradually appears a wind power transport ship and a wind power installation platform for offshore wind farm construction. However, in the process of installing the offshore wind turbine, the fluctuation of sea waves can cause the ship to present complex rolling, pitching and vertical heave motions, so that the danger of collision between goods and the ship exists, and in severe cases, a steel wire rope can be broken, and the ship lifting operation and goods are seriously damaged.

With the construction of offshore wind farms, the distance from the offshore site is longer and longer, the marine environment is worse and worse, and in order to avoid the danger of collision between the cargo and the ship in the hoisting process, it is necessary to install a wave compensation device on the ship for compensating the fluctuation of waves.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multifunctional sea wave compensation device aiming at the defects in the prior art. The multifunctional wave compensation device on the sea has the characteristics of novel design, low manufacturing cost and strong practicability.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a multifunctional wave compensation device on the sea comprises a platform, a heave cylinder, an anti-tilt pull rod and a base; the four corners of the bottom of the platform are provided with heave cylinders, the bottom of each heave cylinder is arranged at one end of the base, the top of each heave cylinder is connected with the bottom of the platform through a joint bearing, the tops of the heave cylinders of each group jointly support the platform, the bottom of each heave cylinder is connected with the surface of the top of the base through a joint bearing, any three adjacent groups of heave cylinders are provided with anti-tilt pull rods, the other group of heave cylinders are not provided with anti-tilt pull rods, one end of each anti-tilt pull rod is arranged at the other end of the opposite side of the heave cylinder on the base through a joint bearing, and the other end of each anti-tilt pull rod is obliquely arranged at the bottom of the platform near the top of the heave cylinder through a joint bearing.

The three sets of heave cylinders are provided with anti-roll pull rods, and provide jacking force and anti-roll force when the heave motions in the transverse, longitudinal and vertical directions are compensated; the other group of heave cylinders are not provided with anti-roll pull rods, and provide jacking force when the heave motions in the rolling, pitching and vertical directions are compensated. The two ends of the heave oil cylinder and the anti-tilt pull rod are respectively connected with the platform structure and the base through the joint bearing, so that small-angle swing is realized, and the risk of 'blocking' during wave compensation is avoided.

Further, the wave compensation device has the length of 18.4m, the width of 15m and the height from the ground of 7m, the designed working environment is a 4-level sea state, and the wave compensation function of 1.5 meters above and below the sea can be realized.

Furthermore, the four sets of heave cylinders can jack up the platform by 1.5m, and a wave compensation device is started to compensate for heave motions in the rolling, pitching and vertical directions, so that goods are kept stable.

Furthermore, the wave compensation device is installed on a wind power transport ship, the base is fixed on a deck at one end of the wind power transport ship, a lifting tower cylinder, an engine room or blades are arranged on the surface of the top of the platform, and the lifting tower cylinder, the engine room or the blades are fixed on the surface of the top of the platform.

The wave compensation device is arranged on the wind power transport ship, the tower barrel, the engine room or the blades can be lifted from the wave compensation device, and the collision risk of the tower barrel, the engine room or the blades and the transport ship is greatly reduced.

Further, the wave compensation device is installed on an offshore hoisting engineering ship, the base is fixed on a deck at one end of the offshore hoisting engineering ship, and a crane is arranged on the surface of the top of the platform and fixed on the surface of the top of the platform.

On the offshore hoisting engineering ship, the crane can be placed on the wave compensation device, static-dynamic or static-static hoisting is realized during hoisting, the steel wire rope can be effectively prevented from being suddenly broken, and the collision risk of goods and ships is avoided;

furthermore, the wave compensation device is installed on a wind field maintenance ship, the base is fixed on a deck at one end of the wind field maintenance ship, and a gap bridge is arranged on the surface of the top of the platform and fixed on the surface of the top of the platform.

On the wind field maintenance ship, the gap bridge can be placed on the wave compensation device, the stable overlapping of the gap bridge and the foundation pile is realized, and the personnel passing safety is greatly improved.

Compared with the prior art, the invention has the following beneficial effects:

1. meanwhile, the compensation function is carried out on the rolling motion, the pitching motion and the heave motion in the vertical direction.

2. And the tower drum, the engine room or the blades are lifted from the wave compensation device, so that the collision risk of the tower drum, the engine room or the blades and a ship is greatly reduced.

3. And a gap bridge or a crane is arranged on the wave compensation device, so that stable lap joint between the gap bridge and the mother ship and static-dynamic hoisting of the crane are realized, and the operation safety is greatly improved.

4. The 700t high-power compensation oil cylinder system can meet the installation service requirements of most wind power plants, and the profitability is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the present invention installed on a wind transport vessel and having a tower mounted thereon;

FIG. 3 is a schematic view of the present invention installed with a nacelle on a wind transport vessel;

FIG. 4 is a schematic view of the present invention installed with blades on a wind transport vessel;

FIG. 5 is a schematic view of the present invention installed on a marine lifting engineering vessel with a crane;

FIG. 6 is a schematic view of the present invention installed on a wind farm maintenance vessel with a gap bridge;

the system comprises a platform 1, a heave cylinder 2, an anti-tilt pull rod 3, a base 4, a tower 5, a cabin 6, blades 7, a crane 8 and a gap bridge 9.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings and examples:

it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.

In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

A multifunctional wave compensation device on the sea comprises a platform 1, a heave cylinder 2, an anti-tilt pull rod 3 and a base 4; the four corners of the bottom of the platform 1 are provided with heave cylinders 2, the bottoms of the heave cylinders 2 are arranged at one end of a base 4, the tops of the heave cylinders 2 are connected with the bottom of the platform 1 through joint bearings, the tops of the heave cylinders 2 in each group jointly support the platform 1, the bottoms of the heave cylinders 2 are connected with the top surface of the base 4 through joint bearings, any three adjacent groups of the heave cylinders 2 are provided with anti-tilt pull rods 3, the other group of the heave cylinders 2 are not provided with anti-tilt pull rods 3, one end of each anti-tilt pull rod 3 is arranged on the base 4 at the other end of the opposite side of the heave cylinder 2 through a joint bearing, and the other end of each anti-tilt pull rod 3 is obliquely arranged at the bottom of the platform 1 near the top of the heave cylinder 2 through a joint bearing.

The three sets of heave cylinders 2 are provided with anti-roll pull rods 3, and provide jacking force and anti-roll force when the heave motions in the rolling, pitching and vertical directions are compensated; the other group of heave cylinders 2 is not provided with an anti-roll pull rod 3, and provides jacking force when the heave motions in the rolling, pitching and vertical directions are compensated. The two ends of the heave oil cylinder 2 and the anti-tilt pull rod 3 are respectively connected with the platform structure 1 and the base 4 through joint bearings, so that small-angle swing is realized, and the risk of 'blocking' during wave compensation is avoided.

Specifically, the wave compensation device has the length of 18.4m, the width of 15m and the height from the ground of 7m, the designed working environment is a 4-level sea state, and the wave compensation function of 1.5 meters above and below the sea can be realized.

Specifically, the four sets of heave cylinders 2 can jack up the platform 1 by 1.5m, and the heave compensation device is started to compensate for the heave motion in the rolling, pitching and vertical directions, so that the goods are kept stable.

Specifically, the wave compensation device is installed on a wind power transport ship, the base 1 is fixed on a deck at one end of the wind power transport ship, a lifting tower cylinder 5, an engine room 6 or blades 7 are arranged on the surface of the top of the platform 1, and the lifting tower cylinder 5, the engine room 6 or the blades 7 are fixed on the surface of the top of the platform 1.

The wave compensation device is arranged on the wind power transport ship, the tower barrel 5, the engine room 6 or the blades 7 can be lifted from the wave compensation device, and the collision risk of the tower barrel 5, the engine room 6 or the blades 7 and the transport ship is greatly reduced.

Particularly, the wave compensation device is installed on an offshore hoisting engineering ship, the base 1 is fixed on a deck at one end of the offshore hoisting engineering ship, a crane 8 is arranged on the top surface of the platform 1, and the crane 8 is fixed on the top surface of the platform 1.

On the offshore hoisting engineering ship, the crane 8 can be placed on the wave compensation device, static-dynamic or static-static hoisting is realized during hoisting, the steel wire rope can be effectively prevented from being suddenly broken, and the collision risk of goods and ships is avoided;

particularly, the wave compensation device is installed on a wind field maintenance ship, the base 1 is fixed on a deck at one end of the wind field maintenance ship, the top surface of the platform 1 is provided with a gap bridge 9, and the gap bridge 9 is fixed on the top surface of the platform 1.

On the wind field maintenance ship, the gap bridge 9 can be placed on the wave compensation device, the stable lap joint of the gap bridge 9 and the foundation pile is realized, and the personnel passing safety is greatly improved.

Referring to fig. 1, fig. 1 illustrates the overall structure of the present invention, and the heave compensation device comprises a platform 1, a heave cylinder 2, an anti-roll rod 3 and a base 4; the four corners of the bottom of the platform 1 are provided with heave cylinders 2, the bottoms of the heave cylinders 2 are arranged at one end of a base 4, the tops of the heave cylinders 2 are connected with the bottom of the platform 1 through joint bearings, the tops of the heave cylinders 2 in each group jointly support the platform 1, the bottoms of the heave cylinders 2 are connected with the top surface of the base 4 through joint bearings, any three adjacent groups of the heave cylinders 2 are provided with anti-tilt pull rods 3, the other group of the heave cylinders 2 are not provided with anti-tilt pull rods 3, one end of each anti-tilt pull rod 3 is arranged on the base 4 at the other end of the opposite side of the heave cylinder 2 through a joint bearing, and the other end of each anti-tilt pull rod 3 is obliquely arranged at the bottom of the platform 1 near the top of the heave cylinder 2 through a joint bearing.

Referring to fig. 2-5, fig. 2-4 illustrate the installation of the heave compensation device on the wind power transport vessel, and the tower 5, the nacelle 6 or the blades 7 can be lifted from the heave compensation device, so that the collision risk of the tower 5, the nacelle 6 or the blades 7 and the transport vessel is greatly reduced.

Referring to fig. 5, fig. 5 illustrates that the invention is arranged on a marine hoisting engineering ship, a crane 8 can be placed on a wave compensation device, static-dynamic or static-static hoisting is realized during hoisting, sudden breakage of a steel wire rope can be effectively avoided, and collision danger of goods and the ship is avoided.

Referring to fig. 6, fig. 6 illustrates that the gap bridge 9 can be placed on a wave compensation device when the device is arranged on a wind field maintenance ship, so that the gap bridge 9 is stably lapped with a foundation pile, and the passing safety of personnel is greatly improved.

During operation, four sets of heave cylinders are needed to jack up the platform structure for 1.5m, and then the wave compensation device is started to compensate for the heave motion in the rolling, pitching and vertical directions, so that the goods are kept stable.

Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.