KR20120139269A

KR20120139269A - Dry dock with floating shipbuilding bed

Info

Publication number: KR20120139269A
Application number: KR1020110058986A
Authority: KR
Inventors: 문승환
Original assignee: 현대중공업 주식회사
Priority date: 2011-06-17
Filing date: 2011-06-17
Publication date: 2012-12-27

Abstract

PURPOSE: A dry dock with a floating type bed for construction is provided to improve the workability of vessel construction by positioning a vessel at the optimal height using the floating type bed. CONSTITUTION: A dry dock(100) includes a floating type bed for construction. The floating type bed is installed in the dry dock to ensure an operational space for constructing a vessel. The floating type bed vertically moves in the dry dock in order to adjust the height and the position of the vessel. The floating type bed floats on seawater which fills the dry dock. A ballast tank is formed at the floating type bed to control the movement of the floating type bed.

Description

Dry dock with floating shipbuilding bed

The present invention relates to a dry dock in which a ship's drying operation is performed, and in particular, a ship or a ship block is mounted thereon, and includes a floating drying bed that can be freely adjusted in height according to the working conditions, thereby increasing the efficiency of the ship's drying work. It is about.

In general, the term "dock" means a facility constructed in a shipyard or a port for building or repairing a ship.

These docks are dug in length, width and depth enough to allow the vessel to enter and exit the sea with sufficient depth to launch the vessel and connect it with the sea, reinforce the sidewalls and floors with reinforced concrete or piles, and Dry dock to install dock gate and steel box with both ends bent upward, and there are many tanks inside, and it is a floating dock that controls the degree of floating by controlling the storage of seawater in these tanks. Floating dock is used.

On the other hand, the dry dock has the advantage that can be seated on a large ship, and at the same time can be built several vessels at the same time dry dock is used for the drying of most large vessels.

However, the conventional dry dock has the following problems.

First, dry docks are formed to a depth of several tens of meters from the ground, which makes equipment and personnel inaccessible.

Second, the dry dock is capable of transporting the ship block only by a large crane, there is a problem that can not reduce the number of ship blocks due to the transport weight of the large crane. In particular, transporters carrying large structures in shipyards cannot access the block-mounted location directly, increasing the frequency and time of use of large cranes.

Third, when building a plurality of vessels at the same time, if the vessel must be moved for launching or adjusting the attitude of some vessels, the rest of the vessels must be moved inevitably, there is a problem that the operation is delayed.

The present invention has been made in consideration of the above problems, and an object of the present invention is to perform a drying operation of a ship using a dry dock, floating drying for freely moving the ship under construction to a height favorable for the operation A dry dock having a bed is provided.

Another object of the present invention is to provide a dry dock having a floating drying bed to position the vessel to be built at the same height as the ground, the drying operation in this state can take advantage of the land drying method.

Another object of the present invention is to provide a dry dock having a floating drying bed that is easy to move and adjust the height of each ship in the case of drying several ships in the dock at the same time.

The dry dock having a floating drying bed of the present invention to achieve the object as described above and to solve the problems of the prior art is installed in the dry dock for the ship, the ship is installed in the dry dock It provides a space in which the work takes place, characterized in that it comprises a floating drying bed for moving up and down in the dock to adjust the height and position of the vessel being built or dried.

Meanwhile, the floating drying bed maintains a floating state by the seawater filled in the dry dock, and is configured to move up and down according to the amount of seawater in the dock.

In this case, the floating drying bed is additionally formed with a ballast tank configured to lower or raise the floating drying bed by supplying or discharging seawater to the ballast tank.

Meanwhile, bumpers may be installed on the front, rear, left, and right sides of the floating drying bed to reduce shock generated between neighboring structures.

Meanwhile, guide rollers may be installed on the front, rear, left, and right sides of the floating drying bed to reduce friction generated between the structure and the neighboring structure during the movement of the floating drying bed.

Meanwhile, the floating drying bed may be configured to combine a plurality of unit blocks having a predetermined area with a drying bed connector to form a required working space required for ship building.

At this time, each unit block may be configured to adjust the height individually while supplying or discharging seawater to the ballast tank provided therein.

Meanwhile, a plurality of mooring bollards may be provided on a dry dock inner wall to fix the floating drying bed through a rope so as to prevent the floating drying bed from moving up and down and left and right when the ship is dried.

According to the present invention having the characteristics as described above, when the vessel is dry operation in the dock, by moving the floating drying bed to position the vessel at the optimum height easy to work the effect of increasing the efficiency of the vessel drying operation There is.

In addition, it is possible to work with the ship positioned at the same level as the ground, so that equipment and manpower can be easily accessed, such as the land drying method, and the ship block can be moved to the required position using various equipment. It can reduce the number and increase the size.

In addition, when a plurality of vessels are simultaneously built in the dock, the height of the individual vessels can be easily adjusted and the position can be moved to select and utilize the optimum conditions for shipbuilding.

1 is a side view showing the structure of a dry dock according to a preferred embodiment of the present invention,
2 is a plan view of the dry dock shown in FIG.
3 is a side view of a floating drying bed according to the present invention;
Figure 4 is a side view showing a state in which the floating drying bed provided in the dry dock as a whole rising by the sea water flowing into the dock,
Figure 5 is a side view showing a state in which the floating drying bed provided in the dry dock is lowered as a whole by the discharge of sea water in the dock,
6 is a side view showing a state in which a part of the plurality of floating drying beds descend by supplying seawater to a ballast tank;
7 is a side view showing a state in which the floating drying bed is discharged by discharging seawater in the ballast tank provided in the floating drying bed;
8 is a plan view showing a state in which the bumper is installed on the side of the floating drying bed according to the invention,
9 is a plan view showing a state in which a guide roller is installed on the side of the floating drying bed according to the present invention,
10 is a plan view showing a floating drying bed according to the present invention is configured to have a work space of the area required for ship building by the combination of a plurality of unit blocks,
11 is a side view showing a state in which the floating drying bed according to the present invention is configured to have a working space of the area required for ship building by the combination of a plurality of unit blocks,
12 is a side view showing a floating dry bed submerged to descend for the launching of a specific ship is complete drying in a dry dock.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a side view showing the structure of a dry dock according to a preferred embodiment of the present invention, Figure 2 is a plan view of the dry dock shown in Figure 1, Figure 3 is a side view of a floating drying bed according to the invention, 4 is a side view showing a state in which the floating drying beds provided in the dry dock as a whole as a result of the sea water flowing into the dock, Figure 5 is a discharge drying bed provided in the dry dock discharge of seawater in the dock The side view which shows the state which is descending as a whole is shown.

Dry dock 100 according to the present invention can be freely adjusted the height of the entire ship being built in the dock to the optimal height for easy operation from start to completion of ship building (complete) or of some of the ships being built in the dry dock Having a feature to adjust the height, it is configured that the floating drying bed 110 is installed in the dry dock (100).

Meanwhile, like the known dry dock, the dry dock 100 is dug at a predetermined length, width, and depth in the vicinity of the sea to connect with the sea, reinforce the side and the bottom with reinforced concrete or piles, and the dock gate at the entrance. 101 may be installed.

Of course, the dry dock 100 of the present invention is not limited to the above structure, if the structure that can float the vessel in the dock by introducing sea water into the dock while providing a dry working space of the ship can be applied to a dry dock of various structures have.

Meanwhile, reference numeral 102 denotes a water supply port for injecting seawater into the dock, and reference numeral 103 denotes a drain hole for discharging seawater in the dock to the outside.

The floating drying bed 110 is provided in the dock to provide a space in which the ship to be dried is mounted, and moves up and down according to the amount of seawater filled in the dock, thereby adjusting the height of the mounted ship being built.

The floating drying bed 110 is composed of a hollow block having a hollow inside so that it can float in the dock by the sea water flowing into the dock, the upper surface is formed flat to provide a space for mounting and work of the vessel Will be provided.

Therefore, when seawater is supplied to the inside of the dock through the water inlet 102 as shown in Figures 2 and 4, all the floating drying bed (110-1,110-2,110-3) in the dock is raised, As shown in FIG. 5, when the seawater in the dock is discharged through the drain hole 103, the floating drying beds 110-1, 110-2, and 110-3 in the dock are all lowered.

As such, supplying seawater to the inside of the dock or discharging the seawater to the outside to raise or lower the floating drying docks 110-1, 110-2 and 110-3 is possible for all the floating drying beds 110 in the dock. ) Can be adjusted to a predetermined height at the same time, it is possible to adjust the position of the ship under construction widely depending on the working conditions from the same position as the ground level (GL) to the bottom of the dry dock (100).

Meanwhile, a ballast tank 111 is formed in which the seawater is filled in the floating drying bed 110, and the seawater is supplied to the ballast tank 111 so that the floating drying bed 110 floats on the water surface. It may be lowered (submerged), or discharge the seawater in the ballast tank 111 to raise the floating drying bed 110 submerged in the water. Meanwhile, FIG. 6 illustrates a state in which some floating drying beds are lowered (submerged) by supplying seawater to the ballast tanks, and FIG. 7 discharges seawater in the ballast tanks, thereby allowing some floating drying beds to rise in the seawater. The state of doing is shown.

As described above, in order to inject seawater into the ballast tank 111 provided in the floating drying bed 110 or to discharge the injected seawater to the outside, the floating drying bed 110 supplies and discharges seawater. A separate ballast pump is provided for the.

According to this structure, when the drying of the vessel is completed, by filling the ballast tank 111 with seawater to allow the floating drying bed 110 to sink in the water, to separate the vessel and the floating drying bed 110. It becomes possible.

On the other hand, by raising or lowering the floating drying bed 110 by supplying or discharging seawater to the ballast tank 111 as described above has an advantage that can be made in a relatively short time.

8 is a plan view showing a state in which the bumper is installed on the side of the floating drying bed according to the present invention.

Bumpers 113 are installed on the front, rear, left, and right sides 110a, 110b, 110c, and 110d of the floating drying bed 110 to mitigate the impact generated when collision with surrounding structures such as the side wall of the dock or the dock gate. do. The bumper 113 is formed of an elastic material such as rubber, and a plurality of bumpers 113 are installed at regular intervals along the circumference of the floating drying bed 110 to be generated between the floating drying bed 110 and the adjacent structure. It will alleviate the shock.

9 is a plan view showing a state in which a guide roller is installed on the side of the floating drying bed according to the present invention.

Front, rear, left and right sides 110a, 110b, 110c, and 110d of the floating drying bed 110, when the floating drying bed 110 moves up and down in the dock, it reduces the friction force generated between the surrounding structure and The guide roller 114 may be further installed. The guide roller 114 is rotated by the frictional force generated between the structure and the neighboring structure during vertical movement of the floating drying bed 110 to induce a smooth movement of the floating drying bed 110.

Meanwhile, the bumper 113 and the guide roller 114 may be installed together at the front, rear, left, and right sides 110a, 110b, 110c, and 110d of the floating drying bed 110.

10 is a plan view showing a state in which the floating drying bed according to the present invention is configured to have a work space of the area required for shipbuilding by combining a plurality of unit blocks, Figure 11 is a floating drying according to the present invention A side view is shown showing a state in which a bed is configured to have a work space of an area required for ship construction by combining a plurality of unit blocks.

Floating drying bed 110 as described above may be configured to combine a plurality of unit blocks (B) having a predetermined area to form a workspace of the size required for ship building.

At this time, each unit block (B) is formed so that the ballast tank is formed therein to adjust the amount of seawater in the ballast tank, so as to move up and down individually, the coupling and disassembly between the unit block (B) is a bed connector for drying Can be implemented using 112.

Of course, in addition to the drying bed connector 112, the coupling between the unit blocks (B) using a rope or a chain may be performed.

On the other hand in Figure 2 110-1 floating drying bed is composed of two unit blocks (B), 110-2 floating drying bed is composed of four unit blocks (B) are combined, 110-3 The structure of the floating drying bed is formed by combining six unit blocks (B) is shown.

On the other hand, as shown in Figure 11, the projections (B1) and the yaw on the side of each unit block (B) in order to more firmly couple the two unit blocks (B) mutually coupled by the drying bed connector 112 The groove portion B2 may be further formed to further strengthen the binding force between the unit blocks B. FIG.

Meanwhile, when the floating drying bed 110 is lifted up and the vessel to be dried is moved to the same position as the ground level GL, the floating drying bed 110 swings vertically and horizontally. In order to prevent movement, a plurality of mooring lines (Mooring bollard, 104: shown in FIG. 2), which are bound to the floating drying bed 110, are provided on the inner wall of the dry dock. As such, the plurality of mooring lines 104 provided in the dry dock are connected to and fixed with the floating drying bed 110 through a rope or a chain to prevent shaking or movement of the floating drying bed.

The dry dock having a floating drying bed of the present invention configured as described above is carried out on the floating drying bed 110 provided in the dry dock 100 in performing the drying operation of the ship in the dry dock 100. Floating drying bed 110 to float the vessel to be built or the vessel to be placed on the dry dock 100 to fill the floating drying bed 110 or filled with seawater in the dry dock 100 in advance It can be carried out the drying operation of the ship by mounting the ship block on the floating drying bed 110 in a state floating in a position favorable to the ship drying operation.

On the other hand, by combining the appropriate number of unit blocks (B) according to the size of the ship to be constructed to form a floating drying bed 110 having a size required for the drying of the ship.

On the other hand, after the adjustment of the position of the floating drying bed 110 is completed, unnecessary movement of the floating drying bed 110 that can be generated during the drying operation by connecting the floating drying bed 110 and the mooring column 104 It is desirable to prevent this.

On the other hand, if the floating drying bed 110 is carried out in the same position as the ground level (Ground level), the work can be built in the same manner as the land drying method, so that equipment and personnel work Since the ship block can be easily approached to the position and the ship block can be moved to the work position using various equipment such as a transporter in addition to the crane, the weight constraint of the ship block is higher than when the ship block is transported to the work position using only the crane. Since the ship block can be configured to be larger to relax, there is an advantage that can reduce the number of ship blocks as a result.

In addition, during the drying operation of the vessel, by adjusting the amount of seawater injected into the ballast tank 111 provided in the floating drying bed 110 to raise or lower the floating drying bed 110, floating drying Height of the bed 110 can be adjusted, the height adjustment of the floating drying bed 110 using the ballast tank 111 can be made quickly, the height adjustment range is very narrow, each floating drying Since the bed 110 must be controlled individually, if you want to collectively adjust the height of all the floating drying bed 110 in the dock, supply the seawater to the inside of the dock through the water inlet 102, It is preferable to discharge the seawater in the dock using the drain hole 103.

FIG. 12 is a side view illustrating a floating dry bed submerged and descended for launching a specific vessel completed in a dry dock.

Meanwhile, as shown in FIGS. 2 and 11, three floating drying beds 110-1, 110-2, 110-3 are provided in the dock, and the drying of the ship mounted on the 110-110 floating drying bed is completed. When the ship's drying work on the remaining floating drying beds (110-1,110-3) is in progress, the floating drying bed (110) for launching the vessel mounted on the floating drying bed (110-2) Filling the seawater in the ballast tank provided in -2) to sink the floating drying bed (110-2) in the water and open the dock gate to launch the vessel.

Meanwhile, the remaining floating drying beds 110-1 and 110-3 during the launching of the vessel as described above are maintained at the ground level, and after the ship is completed, the floating drying beds 110-1 and 110 as necessary. -3) or change the position of the floating drying bed (110-1,110-3) by additionally combining the unit block (B) to the floating drying bed (110-1,110-3). Alternatively, the size may be reduced by dismantling some unit blocks B. FIG.

As described above, since the dry dock 100 having the floating drying bed 110 of the present invention can take the advantages of the existing dry dock and the advantages of the land drying method, it can dry a large vessel more efficiently. There is an advantage.

In addition, since the floating drying bed can be submerged, the ship can be penetrated, and thus, the dock gate is not necessary as necessary, so that a dry dock with the dock gate removed can be configured.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

Description of the Related Art
100: dry dock 101: dock gate
(102): water supply port 103: the number of volleyball
(104): mooring column 110: floating drying bed
(111): ballast tank 112: drying bed connector
113: Bumper 114: Guide Roller

Claims

In the dry dock 100 for ship building,
It is installed in the dry dock 100 to provide a space in which the drying operation of the ship is performed, and includes a floating drying bed 110 that moves up and down in the dock and adjusts the height and position of the dried or dried ship. Dry dock having a floating drying bed, characterized in that.

The method of claim 1,
The floating drying bed 110 maintains a floating state by the seawater filled in the dry dock 100, dry with a floating drying bed, characterized in that it moves up and down according to the amount of seawater in the dock Dock.

The method of claim 2,
The floating drying bed 110 is formed with a ballast tank 111 to supply or discharge seawater to the ballast tank 111 to float or lower the floating drying bed 110, characterized in that the floating type. Dry dock with drying bed.

The method of claim 1,
Front, rear, left and right sides of the floating drying bed 110 dry dock having a floating drying bed, characterized in that the bumper 113 for cushioning the shock generated between the adjacent structure is installed.

The method of claim 1,
Front, rear, left and right sides of the floating drying bed 110, characterized in that the guide roller 114 for reducing the friction force generated between the structure and the adjacent structure during the movement of the floating drying bed 110 is installed Dry dock with dry bed.

The method of claim 1,
The floating drying bed 110 is configured to combine a plurality of unit blocks (B) having a predetermined area with a drying bed connector 112 to form a required work space required for ship drying Dry dock with drying bed.

The method according to claim 6,
Each unit block (B) is a dry dock having a floating drying bed, characterized in that the height is adjusted individually while supplying or discharging seawater to the ballast tank provided therein.

The method of claim 1,
In order to prevent the floating drying bed 110 from moving up and down and left and right when the ship is dried, a plurality of mooring lines 104 fixing the floating drying bed 110 through a rope are provided on the inner wall of the dry dock. Dry dock having a floating drying bed, characterized in that.