JPH11255179A - Method for constructing large multideck structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently construct a large passenger ship by a simple device though a requisite is hardly conveyed to a large number of different decks, transportation route is very complicated as the passenger ship is formed mazelike and only an ordinary passage is utilized in the ship. SOLUTION: In a construction method for a large structure 1, e.g. a passenger ship, at least one intermediate space is formed by partitioning at least partially the structure 1 at least into two parts. For example, a transportation system provided with tower cranes 3a, 3b and hoisting platforms 5, 5a, 5b is provided to distribute furnishings and a device or the like to a required deck 9 of the structure 1 through the intermediate space. The structure 1 is assembled thereafter into integrated unit by connecting or completing separated parts. This method is executed in a construction site, e.g. a construction berth 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a large multi-deck structure, for example, a passenger or similar ship, especially for use at sea. The invention is particularly described herein as a method of constructing a passenger ship where construction is performed at a typical shipbuilding site, such as a construction berth. However, the same principle applies to other large multi-deck structures,
For example, it should be appreciated that it may be advantageously applied to offshore structures, floating hotels and vehicle / passenger ferries.

[0002]

BACKGROUND OF THE INVENTION Providing furniture, fixtures, furnishings and the like to large passenger ships is a demanding task. The amount of work required may be on the order of one million working hours and a total of about 1000 workers may be employed for installation work. Numerous cabin or cabin elements, furniture, technical equipment and different building materials have to be brought into the ship. It takes months to transfer these parts, equipment and units on board and the equipment is in the correct order and in the right place and the load of the delivered material does not injure subsequent loads. Requires highly developed logistics to arrive at Large passenger ships
It is difficult to transport material to different decks of the ship, which may be ten or more, if it is maze-shaped and only the normal passage of the ship is available. A known method for facilitating transport is to open one or more transport openings on the side of the ship, through which delivery takes place. However, such a transport opening does not greatly reduce transport problems, since only a few decks have access, and transport routes are still very difficult.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method which overcomes the above disadvantages and which allows the construction to be carried out in an efficient manner with simple equipment.
This object is achieved by the invention as defined in claim 1.

[0004] The invention is based on the concept that, during the installation operation, an easily accessible transport route must be opened directly to the different decks of a large cruise ship. By dividing the ship under construction into two or three parts such that the parts are separated from each other, a suitable intermediate space is provided between the parts for transporting the mounting material into the ship. Can be opened. In this way, a number of easily accessible straight paths are opened into the interior space of the ship. All types of materials can be efficiently transferred through the intermediate space to each part of the ship on either side of the intermediate space. A straight connection to all decks of the ship is achieved through the intermediate space by substantially shortening the transport route. At the beginning of the terminal phase of the transport operation required by the provision or supply of material, or at the end of the transport operation, the parts of the ship are connected into floating units.

[0005] If the structure under construction is a ship or unit in the form of a ship, it is preferred that the intermediate space defines a plane perpendicular to the length of the ship. If the structure is a unit for offshore use that does not show a clear longitudinal direction, the division must be made based on the overall planning of the structure and the needs for installation.

The connection of separate structures, for example, parts of a ship, is accomplished by moving one part into engagement with another and securing the parts to one another, for example, by welding. It can be carried out. It takes about an hour to move a part of a ship weighing several thousand tons by 5 to 10 meters. If this connection method is used, it is preferred that the ship be divided into different sized parts such that the part to be moved is substantially lighter than the part left in place. This makes the moving operation easier. If it is necessary to avoid moving the very heavy parts in the horizontal direction to connect the separated parts, separate the suitable parts or other structural parts to connect the parts. Can be placed in between. This part advantageously comprises the entire width of the ship. As an alternative, the ship may be partly split, leaving a fixed connection in the middle and at the sides of the ship two areas, for example, five times five meters in size, are kept open. It must be. Both of these areas are used as intermediate spaces in the present invention.

[0007] The connection of the parts separated from one another by a part arranged in the intermediate space is best performed in such a way that the intermediate space and the corresponding part are slightly wedge-shaped in the mounting direction of the part. If the wedge-shaped features include a difference of about 10 millimeters for each meter, this will substantially help each part to be properly positioned.

The transport and transfer system can be arranged in an intermediate space according to the invention, for example, having vertically moving lifting levels capable of transporting material to different decks. If for some reason an intermediate space with sufficient room for the hoisting system cannot be provided, a transfer system can be built, so that the hoisting device has an intermediate space outside the unit under construction. The immediate and intermediate space is provided with a temporarily mounted fixed passage level serving as a transfer system. This solution also advantageously shortens the passage route.

In the transfer system according to the invention, at least one level or at least one which preferably extends to both mutually separated parts and is movable to different heights which can be moved sufficiently close to said parts. Advantageously, a platform is used, whereby the platform can serve as a connecting bridge between the parts. Subsequent transport can also be carried out from one part to another by utilizing the passage connection formed in this way between the parts.

With the sizing and construction of the transport system, a very simple solution can be reached with the present invention. If the extent of the hoisting platform in the width and length directions of the intermediate space is large enough, the hoisting system only needs one main direction of travel. In other words, the hoisting system functions like an elevator. If the unit to be constructed is very wide, a transport movement in the horizontal direction will probably also be necessary, but even in this case the hoisting system will have to move in the direction of the dividing plane defined by the intermediate space. It has only two main directions of movement. Usually, no transport movement is required or rarely required in the direction from one side of the intermediate space to the other side of the intermediate space.

If a hoisting system provided with at least two hoisting platforms is used in the system according to the invention, the hoisting platforms will have a vertical distance between them of one or more deck spacings. It can be easily arranged to correspond. By thus using two hoisting platforms at the same time for transferring material, the capacity of the transfer system can be increased. One hoisting platform may be suitable for the transport of personnel and the other platform is simpler and only suitable for the transport of materials. Another way to increase the capacity of the hoisting system is to place the auxiliary platform in or close to the intermediate space, via which the material is placed independently of the working stages of the transfer system. And the transfer system can receive material in connection with movement from the transfer system to near the auxiliary platform.

The simplest way to achieve a suitable hoisting system in the intermediate space is to install a tower crane in this intermediate space having at least one hoisting platform movable to different deck heights. It is. This tower crane can be, for example, of the type commonly used for building sites, perhaps with only some change in the sizing and configuration of the hoisting platform.

In the method according to the invention, a robot crane can be used in the transfer system,
The robot crane has a device for moving a material unit provided with address marks to a desired deck of a structure. Thus, the transfer function can be automated, at least to some extent, whereby the movable material is placed in a box or other transport unit with the necessary address marks to guide the robot's transport function.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in more detail with reference to the accompanying drawings. In FIG.
Indicates the hull of the ship. In FIG. 1, the hull 1 is divided into a lighter front part a and a heavier rear part 1b. An intermediate space 2 is provided between these parts. The tower crane 3 moves on the rail 4 in the intermediate space 2. The crane 3 has one or more transport or hoisting platforms 5. As can be seen from FIG. 1, the hoisting platform 5 can serve as a connecting bridge between the parts 1a and 1b.

[0015] After the materials necessary to equip the parts 1a and 1b of the ship have been loaded onto the ship, the ship is carried by suitable support members (not shown) and moved into engagement with the parts 1b. For example, the lighter front part 1a
Can be assembled into a floating unit with
Parts 1a and 1b are welded together. An alternative method for connecting the parts 1a and 1b is to mount one part in the intermediate space 2, which is configured to fit with the parts 1a and 1b and from above by a crane or by a side. From the section into the intermediate space by the transport system. Intermediate space 2 of the part
In order to easily complete the mounting therein, the parts should be formed slightly wedge-shaped in the direction of their movement. The intermediate space 2 must, of course, also have a corresponding wedge shape.

According to FIG. 2, the hull 1 of the ship is
Are assembled in the building dock 6 surrounded by. The floor 8 of the storage structure is formed substantially higher than the bottom of the building dock 6. The hull 1 has a large number of decks 9 and the materials necessary to equip the ship must be carried into all of these decks. According to this figure,
The material is transported by a tower crane. In this figure,
The tower crane has two different working positions 3a and 3
b. In the crane at the work station 3b, by way of example, two platforms 5a and 5b are shown mounted on the crane, for example, the upper platform 5a is suitable for transporting personnel, while the lower platform 5a
b shows that it is a simple platform that can be used only for transporting materials. The platform 5b is supported by a flexible device, for example a chain from the platform 5a, so that the lower platform 5b is
To move near the bottom of the ship. The distance between the hoisting level 5a and the hoisting level 5b is the same as the distance h between the decks 9. It is also possible to provide two tower cranes, which are preferably arranged so that the material can be transferred from one side of the ship to one of the cranes and from the other side of the ship to the other crane. .

In the embodiment according to FIG. 3, the hull 1 of the ship is only in two parts, so that the intermediate spaces 2a and 2b are left on each side of the ship with respect to the fixed part 1c of the hull between them. Partially split. The dimensions of the intermediate spaces 2a and 2b are, for example, approximately 2 in the longitudinal direction of the ship.
Meters and 6 meters lateral to the ship. In the figure, the tower crane 3 and its hoisting platform 5 are shown in one of the intermediate spaces. A similar crane for intermediate space 2
b. In the final stage of the installation work, the crane is removed and said parts are inserted into the intermediate spaces 2a and 2b by the crane from the side or from above so that the hull 1 is a complete unit.

The invention is not limited to the embodiments described above, but several variants are conceivable within the scope of the following claims.

[Brief description of the drawings]

FIG. 1 schematically illustrates the invention applied to a ship divided into two parts.

FIG. 2 A typical dock hangar (basi) for shipbuilding
FIG. 2 illustrates the invention as applied to the present invention.

FIG. 3 schematically shows the invention applied so that the ship is only partially divided into two parts.

[Explanation of symbols]

 Reference Signs List 1a part 1b part 1 hull 2 intermediate space 3 tower crane 3a work station 3b work station 4 rail 5 hoisting platform 5a hoisting platform 5b lower hoisting platform 6 building dock 7 storage structure 8 floor surface 9 deck 10 chain

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Pekka Taiminen Helsinki, Finland 5 Kibihan Polk 5 (72) Inventor Peter Elfstrom Helsinki, Luneberginkatu 19 Finland 26

Claims (10)

[Claims] 1. A method for constructing a large multi-deck structure (1), such as a passenger ship or similar ship, intended for use at sea, said structure comprising a building berth (6). In a method for constructing a large multi-deck structure to be manufactured on a construction site, said method comprises at least two parts (1
a, 1b) to form at least one intermediate space (2, 2a, 2b) in the structure by at least partially dividing the structure into equipment, fittings, furnishings, etc. and devices in said intermediate space (2, 2b). 2
a) providing a transport system or a transport system for delivery to the desired deck (9) of the structure (1) through the components (1a, 1b);
b) assembling the structure (1) into an integral unit after the delivery is substantially completed by connecting b). 2. The method according to claim 1, wherein the intermediate space defines a plane perpendicular to the longitudinal direction of the structure. 3. It is implemented that the structure (1) is divided into two or more parts (1a, 1b), so that in the final stage one part ( Method according to claim 1 or 2, characterized in that 1a) has a substantially lighter weight than the other part (1b). 4. The joining of the two parts (1a, 1b) of the mutually separated structure (1) moves the parts into engagement with each other and secures the parts together. The method according to claim 1, wherein the method is performed by fixing, for example, by welding. 5. An intermediate space (2, 2a, 2) in the structure.
A method according to any of the preceding claims, wherein completing b) is done by mounting a part or other similar structure in the intermediate space. 6. A transport system or a transport system comprising at least one platform (5, 5a, 5b) movable to different heights, wherein at least one platform (5, 5a, 5b) is provided with an intermediate space (2, 2).
a, 2b) and can reach sufficiently close to or at least sufficiently close to the parts (1a, 1b) which are at least partially separated from one another, whereby the platform (5) Method according to any one of the preceding claims, characterized in that (a), (5a, 5b) can function as connecting bridges between the parts. 7. The intermediate space (2, 2a, 2b) defines a dividing plane of the structure (1) and the transport or transfer system defines at most two main directions of movement in the direction of said dividing plane. The method according to any of the preceding claims, comprising a platform system having: 8. A transport system or a transport system comprising a platform system having at least two platforms (5a, 5b), wherein the vertical distance between the platforms corresponds to the spacing of one or more decks. A method according to any one of the preceding claims. 9. Tower crane (3,3,3) having at least one platform (5,5a, 5b) in which the transport system or the transport system in the intermediate space (2,2a, 2b) is movable to different deck heights.
A method according to any one of the preceding claims, comprising a, 3b). 10. A transport system in an intermediate space (2, 2a, 2b) and a transport system for automatically transporting material units provided with address marks to a desired deck (9) of a structure (1). The method according to any of the preceding claims, comprising a robot crane comprising a system.