KR102070838B1 - Mooring apparatus - Google Patents

Abstract

Provide a mooring device. The mooring device includes a pile for supporting the vessel, and a pile base fixed to the seabed ground and having a receiving space for receiving a portion of the pile, for hydraulically supporting the pile, wherein the pile and the pile base are each plural. A dog is provided, and a fluid transfer pipe for fluid transfer between the corresponding pile bases among the plurality of pile bases is provided.

Description

Mooring apparatus

The present invention relates to a mooring device.

Vessels such as Floating Storage Re-gasification Units (FSRUs) installed in shallow waters can be anchored to jetty or dolphin to maintain their position at sea. On the other hand, the mooring method using a breakwater or dolphin may not be sufficiently constrained to the movement of the vessel may be vulnerable to external factors such as typhoons.

Republic of Korea Patent Publication No. 10-2012-0065721 (2012.06.21)

The problem to be solved by the present invention is to provide a mooring device.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an aspect of the mooring apparatus of the present invention is provided with a pile for supporting a vessel, and a receiving space fixed to the sea bed and receiving a portion of the pile to support the pile hydraulically. Including a pile base, wherein the pile and the pile base is provided with a plurality, respectively, a fluid transfer pipe for fluid transfer between the corresponding pile base of the plurality of pile bases are provided.

The fluid transfer pipe is provided between the pile base provided in the bow and the stern of the said vessel among the plurality of pile bases.

The fluid delivery tube includes a fluid control valve that regulates the transport of fluid.

The pile includes a fluid seal that prevents the outflow of fluid contained within the pile base.

The first pile base and the second pile base have a first fluid transfer tube and a second fluid transfer tube for mutual fluid transfer, and one end of the first fluid transfer tube has a fluid sealing portion accommodated in the first pile base. It is connected to the first pile base to be provided on the upper side, the other end of the first fluid transfer pipe is connected to the second pile base to be provided below the fluid sealing portion accommodated in the second pile base, the second fluid transfer One end of the pipe is connected to the first pile base so as to be provided under the fluid seal portion accommodated in the first pile base, and the other end of the second fluid transfer tube is provided above the fluid seal portion accommodated in the second pile base. Is connected to the second file base.

Specific details of other embodiments are included in the detailed description and the drawings.

1 and 2 are views showing a mooring device according to an embodiment of the present invention.
3 is a diagram illustrating an operation of a file with respect to a file base according to an embodiment of the present invention.
4 is a view showing a vessel coupled to the mooring device according to an embodiment of the present invention.
5 is a view showing that the mooring device according to an embodiment of the present invention is installed on the seabed.
6 is a view showing the inclination of the vessel coupled to the mooring device according to an embodiment of the present invention.
7 is a view showing the mooring device restores the attitude of the ship according to an embodiment of the present invention.
8 is a view showing a fluid control valve is installed in the fluid transfer pipe according to an embodiment of the present invention.
9 is a view showing a mooring device according to another embodiment of the present invention.
10 is a view showing a vessel coupled to the mooring device according to another embodiment of the present invention.
11 is a view showing that the vessel coupled to the mooring device according to another embodiment of the present invention is inclined.
12 is a view showing that the mooring device restores the attitude of the ship according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms, and only the embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Unless otherwise defined, all terms used in the present specification (including technical and scientific terms) may be used in a sense that can be commonly understood by those skilled in the art. In addition, terms that are defined in a commonly used dictionary are not ideally or excessively interpreted unless they are specifically defined clearly.

1 and 2 are views showing the mooring device according to an embodiment of the present invention, Figure 3 is a view showing the operation of the file for the file base according to an embodiment of the present invention.

1 and 2, the mooring device 10 includes a pile 100, a pile base 200, and a fluid transfer pipe 300.

Pile 100 serves to support the vessel. The pile 100 may be coupled to the vessel in a state in which the pile 100 is disposed long in the vertical direction, and the vessel may be supported by the pile 100 to fix a position at sea. A plurality of piles 100 may be disposed on the side of the vessel to prevent the movement of the vessel.

The pile base 200 is fixed to the sea floor and serves to support the pile 100. The pile 100 may support the vessel in a state supported by the pile base 200.

The pile base 200 may include an accommodation space SP for accommodating a portion of the pile 100. The pile base 200 includes an opening OP for entering and exiting the pile 100, and the remaining space except for the opening OP may be sealed. Fluid may be accommodated in the accommodation space SP. The fluid can be a liquid or a gas, or a mixture of liquid and gas.

The pile 100 may include a fluid seal 110 to prevent the leakage of the fluid contained in the pile base 200. Due to the fluid seal 110, the outflow of the fluid through the opening OP of the pile base 200 may be prevented.

Referring to FIG. 3, the file 100 may move based on the file base 200. Due to the movement of the pile 100, the fluid sealing unit 110 may move on the accommodation space SP of the pile base 200.

When the pile 100 is inserted into the pile base 200, the accommodation space SP may be reduced and the pressure inside the accommodation space SP may increase. On the contrary, when the pile 100 is discharged from the pile base 200, the accommodation space SP may expand and the pressure inside the accommodation space SP may decrease.

1 and 2, a pile base 200 for each of the plurality of piles 100 may be provided. 1 and 2 illustrate that four pile bases 200 are provided corresponding to four piles 100.

The fluid transfer pipe 300 serves to provide a fluid transfer path between the plurality of pile bases 200. Each of the pile bases 200 may be assigned a pile base 200 for fluid transfer. As shown, fluid transfer may be performed between two pile bases 200, and for this purpose, the fluid transfer pipe 300 may connect two pile bases 200. However, according to some embodiments of the present invention, three or more pile bases 200 may be connected by the fluid transfer pipe 300, and fluid transfer may be performed between three or more pile bases 200. Hereinafter, a description will be given focusing on the transfer of the fluid between the two pile bases 200.

As such, the fluid transfer pipe 300 for fluid transfer between the corresponding pile bases 200 among the plurality of pile bases 200 may be provided. Here, the fluid transfer pipe 300 may be provided between the pile base 200 provided in the bow and stern of the vessel among the plurality of pile bases 200. That is, the pile base 200 located on the left side of the bow and the pile base 200 located on the left side of the stern are connected by the fluid transfer pipe 300, and the pile base 200 located on the right side of the bow and the right side of the stern are located. The pile base 200 is to be connected by the fluid transfer pipe (300).

Since the fluid transfer pipe 300 performs the fluid transfer between the two pile bases 200, the pressure inside each pile base 200 is maintained uniformly, and the pile 100 is suddenly pressed against the pile base 200. Movement can be prevented.

4 is a view showing the vessel coupled to the mooring device according to an embodiment of the present invention, Figure 5 is a view showing that the mooring device according to an embodiment of the present invention is installed on the seabed ground.

4 and 5, the ship 20 is coupled to the mooring device 10, and the mooring device 10 may support the ship 20 in a state fixed to the sea bed SB.

Coupling device 400 may be used for coupling of vessel 20. The coupling device 400 may firmly couple the pile 100 and the vessel 20. Due to this, the vessel 20 can be fixed in position at sea.

The fluid is accommodated in the accommodation space SP of the pile base 200, and the fluid sealing part 110 may be prevented from descending inside the accommodation space SP by the pressure of the fluid. That is, the vessel 20 may be supported by the mooring device 10 through the pressure of the fluid accommodated in the accommodation space SP of the pile base 200.

6 is a view showing the inclination of the vessel coupled to the mooring device according to an embodiment of the present invention, Figure 7 is a view showing the mooring device to restore the attitude of the ship according to an embodiment of the present invention.

Referring to FIG. 6, the vessel 20 coupled to the mooring device 10 may have a change in posture. Vessel 20 may tilt when pressure from tides or waves acts on vessel 20.

When the vessel 20 is inclined, pressure is transmitted to the coupling device 400 connecting the vessel 20 and the pile 100, which may damage the coupling device 400, the vessel 20, or the pile 100. Can be. 6 shows that the vessel 20 is inclined in the direction in which the bow descends.

The file 100 according to the embodiment of the present invention may move with respect to the file base 200. As shown in FIG. 6, when the vessel 20 is inclined in the direction in which the athlete descends, the pile 100 provided on the athlete side may be inserted into the pile base 200.

When the pile 100 is inserted into the pile base 200, the fluid sealing part 110 accommodated in the accommodation space SP of the pile base 200 descends, and the pressure may increase as the accommodation space SP is reduced. have.

The increased pressure acts as a force for raising the fluid seal 110, which may cause the pile 100 to rise relative to the pile base 200. As the pile 100 rises with respect to the pile base 200, the posture of the vessel 20 may be restored as illustrated in FIG. 7.

When the bow side pile 100 descends, a part of the fluid accommodated in the bow side pile base 200 may move to the stern side pile base 200 through the fluid transfer pipe 300. As the fluid moves, a sudden pressure increase in the accommodation space SP of the bow side pile base 200 may be prevented, and a smooth posture change of the vessel 20 may be realized.

8 is a view showing a fluid control valve is installed in the fluid transfer pipe according to an embodiment of the present invention.

Referring to FIG. 8, the fluid transfer pipe 300 may be provided with a fluid control valve 500 for controlling the movement of the fluid.

The fluid control valve 500 may allow or block the movement of the fluid through the fluid transfer pipe 300. In addition, the fluid control valve 500 may control the volume per unit time of the fluid moving through the fluid transfer pipe (300).

The fluid control valve 500 may completely open the path of the fluid transfer pipe 300 so that the movement of the fluid through the fluid transfer pipe 300 may be freely performed. Alternatively, the fluid control valve 500 may completely close the path of the fluid transfer pipe 300 to block the movement of the fluid through the fluid transfer pipe 300.

When the path of the fluid transfer pipe 300 is completely open, since the fluid movement between the pile bases 200 connected by the fluid transfer pipe 300 is free, a sudden pressure change in the accommodation space SP of each pile base 200 may occur. Can be prevented. On the contrary, when the path of the fluid transfer pipe 300 is completely closed, the fluid movement between the pile bases 200 connected by the fluid transfer pipe 300 is blocked, so that the storage space SP of each pile base 200 is blocked. Sudden pressure changes can occur.

In addition, the fluid control valve 500 may control the volume per unit time of the fluid moving through the fluid transfer pipe 300 by opening only a part of the path of the fluid transfer pipe 300. The amount of pressure change in the accommodation space SP of each pile base 200 may be determined according to the volume per unit time of the moving fluid.

9 is a view showing a mooring device according to another embodiment of the present invention.

Referring to FIG. 9, the mooring device 11 includes piles 601 and 602, pile bases 701 and 702, and fluid transfer tubes 801 and 802.

The piles 601 and 602 support the vessel 20. The pile bases 701 and 702 are fixed to the seabed ground SB and serve to support the piles 601 and 602. The fluid conveying pipes 801 and 802 serve to provide a fluid conveying path between the plurality of pile bases 701 and 702. The shapes and functions of the piles 601 and 602, the pile bases 701 and 702, and the fluid transfer pipes 801 and 802 may be described in the form and function of the pile 100, the pile base 200, and the fluid transfer pipe 300 described above. Since the functions are the same or similar, the differences will be explained.

Hereinafter, the two file bases 701 and 702 shown in FIG. 9 are referred to as a first file base 701 and a second file base 702, respectively. In addition, the two files 601 and 602 shown in FIG. 9 are referred to as a first file 601 and a second file 602, respectively.

The first pile base 701 and the second pile base 702 may include a first fluid transfer tube 801 and a second fluid transfer tube 802 for mutual fluid transfer. Two fluid transfer pipes 801, 802 may provide a path for fluid movement between the first pile base 701 and the second pile base 702.

One end of the first fluid transfer pipe 801 is connected to the first pile base 701 so as to be provided above the fluid sealing part 611 accommodated in the first pile base 701, and the first fluid transfer pipe 801 is provided. The other end of the second pile base 702 may be connected to the second pile base 702 to be provided under the fluid seal 612 accommodated in the second pile base 702. In addition, one end of the second fluid transfer pipe 802 is connected to the first pile base 701 so as to be provided under the fluid sealing part 611 accommodated in the first pile base 701, and the second fluid transfer pipe ( The other end of 802 may be connected to the second pile base 702 to be provided above the fluid seal 612 accommodated in the second pile base 702. The first fluid transfer pipe 801 and the second fluid transfer pipe 802 such that the upper space and the lower space of each accommodation space SP of the first pile base 701 and the second pile base 702 cross each other and are connected to each other. ) May connect the first file base 701 and the second file base 702.

As a result, the upper space of the accommodation space SP of the first pile base 701 and the lower space of the accommodation space SP of the second pile base 702 are connected to each other to perform the movement of the fluid between each other. The lower space of the accommodating space SP of the first pile base 701 and the upper space of the accommodating space SP of the second pile base 702 may be connected to each other to perform the movement of the fluid. In addition, the opening OP of the first pile base 701 and the second pile base 702 is sealed by the piles 601 and 602 so that the fluid contained in the upper space of the accommodation space SP does not flow out. Can be.

10 is a view showing that the vessel is coupled to the mooring device according to another embodiment of the present invention, Figure 11 is a view showing that the vessel coupled to the mooring device according to another embodiment of the present invention, Figure 12 Is a view showing the mooring device restores the attitude of the ship according to another embodiment of the present invention.

Referring to FIG. 10, the vessel 20 may be coupled to the mooring apparatus 11, and the mooring apparatus 11 may support the vessel 20 in a state fixed to the sea bed SB.

The fluid is accommodated in the accommodation spaces SP of the pile bases 701 and 702, and the drop of the fluid sealing parts 611 and 612 inside the accommodation space SP may be prevented by the pressure of the fluid.

10 shows two pile bases 701, 702 and two piles 601, 602 supporting the stern and bow of the vessel 20, respectively. Hereinafter, the pile bases 701 and 702 provided in the stern and the bow of the ship 20 are called the 1st pile base 701 and the 2nd pile base 702, respectively, and are provided in the stern and the bow of the ship 20, respectively. Files 601 and 602 are referred to as a first file 601 and a second file 602, respectively. In addition, the fluid transfer pipe connecting the upper space of the first pile base 701 and the lower space of the second pile base 702 is called the first fluid transfer tube 801, and is located below the first pile base 701. The fluid transfer pipe connecting the space and the upper space of the second pile base 702 is called the second fluid transfer pipe 802.

Referring to FIG. 11, the attitude of the vessel 20 coupled to the mooring apparatus 11 may be changed. Vessel 20 may tilt when pressure from tides or waves acts on vessel 20.

The files 601 and 602 according to the embodiment of the present invention may move relative to the file bases 701 and 702. As shown in FIG. 11, when the vessel 20 is inclined in the direction in which the stern descends, the first pile 601 may be inserted into the first pile base 701.

When the first pile 601 is inserted into the first pile base 701, the fluid sealing part 611 accommodated in the accommodation space SP of the first pile base 701 may descend.

As the lower space of the accommodation space SP is reduced, the pressure may increase, and the pressure may decrease as the upper space of the accommodation space SP is expanded. As the pressure in the lower space increases, the fluid contained in the lower space of the first pile base 701 may move to the upper space of the second pile base 702 through the second fluid transfer pipe 802. In addition, as the pressure of the upper space decreases, the fluid accommodated in the lower space of the second pile base 702 may move to the upper space of the first pile base 701 through the first fluid transfer pipe 801.

When the fluid moves to the upper space of the second pile base 702, the pressure of the upper space of the second pile base 702 may increase. In addition, the pressure in the lower space of the second pile base 702 may be reduced when the fluid is discharged in the lower space of the second pile base 702.

The fluid seal 612 of the second pile 602 accommodated in the second pile base 702 may be lowered by the pressure increase in the upper space and the pressure decrease in the lower space.

As a result, as the second pile 602 descends as a result of the first pile 601 descending, the attitude of the vessel 20 may be restored as shown in FIG. 12.

The above described the case where the posture is inclined in the direction in which the stern of the ship 20 descends, but the first pile base 701 and the second pile base are also in the case where the attitude of the ship 20 is inclined in the downward direction. Posture restoration of the vessel 20 may be performed by fluid movement between 702.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. You will understand that there is. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

10, 11: mooring device 20: ship
100, 601, 602: Pile 110, 611, 612: Fluid Seal
200, 701, 702: Pile base 300, 801, 802: Fluid transfer pipe
400: coupling device 500: fluid control valve

Claims (5)

A pile supporting the vessel; And
A pile base fixed to the seabed ground and having a receiving space for receiving a portion of the pile to support the pile hydraulically;
The pile and the pile base are each provided with a plurality,
Between the corresponding pile base of the plurality of pile bases are provided with a fluid transfer pipe for fluid transfer between each other,
The pile includes a fluid seal for preventing the outflow of fluid contained within the pile base,
The first pile base and the second pile base of the plurality of pile bases have a first fluid transfer pipe and a second fluid transfer pipe for fluid transfer between each other,
One end of the first fluid transfer tube is connected to the first pile base so as to be provided above the fluid seal portion accommodated in the first pile base, and the other end of the first fluid transfer tube is fluid sealed contained in the second pile base. It is connected to the second pile base to be provided on the lower side of the part,
One end of the second fluid transfer tube is connected to the first pile base so as to be provided under the fluid seal portion accommodated in the first pile base, and the other end of the second fluid transfer tube is fluid sealed contained in the second pile base. A mooring device connected to said second pile base to be provided above the portion. The method of claim 1,
A mooring device is provided between the pile base provided in the bow and stern of the vessel of the plurality of pile bases. The method of claim 1,
The fluid delivery line includes a mooring valve for controlling the transfer of the fluid. delete delete

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