JPH04243684A - Construction of hull block - Google Patents

Abstract

PURPOSE:To automate the welding between the longitudinal and lateral frame members and a variety of processes by forming a panel block by joining single panel modules which are formed by welding a plurality of longitudinal frame members on the panel members through welding and constructing a hull block by inserting the slot part of the lateral frame member into the longitudinal frame member of the panel block. CONSTITUTION:A skin plate 2 is divided into a plurality of single panel members 1, and a plurality of longitudinal frame members 3 are welded to the panel member 1, and a plurality of single panel modules 12 are manufactured. After the opened top of the outer periphery of the single panel module 12 is worked, the single panel module 2 is joined through seam welding, and a panel block 13 is formed, and the slot part 6 of a lateral frame member 4 is inserted into the longitudinal frame member 3 of the panel block 13, and the lateral frame member 4 is assembled, and a hull block 11 is constructed. Accordingly, a variety of processes in the hull block construction can be automated, and the automation of the welding in the construction of the block can be achieved.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a method of constructing a hull block such as a flat outer plate or deck, and more particularly to a method of constructing a hull block formed by welding a longitudinal member and a transformer member to a skin plate. Regarding.

0002

2. Description of the Related Art When constructing a general commercial ship's hull, the hull is constructed by first dividing the outer skin, bulkheads, deck, etc. into blocks to form blocks, and then assembling these blocks.

[0003] These blocks are formed by assembling transverse members such as transformer members provided along the width direction of the ship and vertical members such as longitudinal members provided along the ship's ship length onto a skin plate. Ru.

Conventionally, when constructing a hull block, especially on a flat section, a skin plate 2 is manufactured by piecing together a single panel 1, and a longitudinal section is attached to the top surface of the skin plate 2, as shown in FIG. After marking the attachment positions of the vertical frame members 3 such as the like and the horizontal frame members 4 such as the transformer, and attaching the vertical frame members 3 to the attachment positions, insert the slots of the transverse frame members 4 while lowering the transverse frame members 4 from above. 5, the vertical frame members 3 are passed through and the transverse frame members 4 are assembled to construct the hull block, and as shown in FIG. , its transverse bone member 4
There is a method of assembling a framework block 7 by inserting the vertical frame members 3 through the slots 6 of the hull, and then positioning the framework block 7 on the skin plate 2 to construct the hull block.

[0005]

By the way, in the method shown in FIG. 9, since the vertical frame member 3 is first welded to the skin plate 2, an automatic welding machine (not shown) is used for the welding work.
In addition, as shown in FIG. 11, the slot 5 is made by cutting out a large portion 8 of the vertical bone member 3, so it is easy to pass the vertical bone member 3 through the hole 8. Although it is easy, it is necessary to close the penetration part 8 with the collar plate 9, and an automatic welding machine cannot be used to weld the attachment part of the collar plate 9.

On the other hand, in the method shown in FIG. 10, the slot portion 6 forms a slit 10 in the penetrating portion of the web portion 3a of the vertical frame member 3, as shown in FIG. 12, and the collar plate 9 is omitted. However, in order to make the horizontal bone members 4 and the vertical bone members 3 into a framework block 7, the skin plate 2
The upper surface has a grid-like shape partitioned by the horizontal rib members 4 and the vertical rib members 3, and there are places in the corners of the vertical rib members 3 where automatic welding machines cannot be used, so welding of those places is done manually. had to be done.

Furthermore, in the method shown in FIGS. 9 and 10, since the vertical bone members 3 and the horizontal bone members 4 are assembled on the large skin plate 2 to form a block, the bone members 3 and 4
It has been difficult to automate various processes such as positioning, welding, and correcting block distortion.

The present invention was devised to solve the problems of the above-mentioned conventional methods, and its purpose is to automate the welding of vertical and horizontal bone members, and to improve the welding process in block construction. An object of the present invention is to provide a method for constructing a hull block that can automate various processes.

[0009]

[Means for Solving the Problems] In order to achieve the above object, the present invention includes a method in which a vertical bone member is welded to a skin plate, and the longitudinal bone member is inserted into the slot portion of the horizontal bone member through the skin plate. In a method of constructing a hull block for assembling the transverse frame members, the skin plate is divided to form a plurality of single panel members, and a plurality of longitudinal frame members are welded to the panel members to form a single panel module. After manufacturing a plurality of single panel modules and processing the grooves on the outer periphery of these single panel modules, these single panel modules are joined by welding to form a panel block, and the horizontal rib members are attached to the vertical rib members of this panel block. This is a method of constructing a hull block by inserting the slot portions and assembling the transverse rib members.

0010

[Operation] According to the above method, a plurality of single panel modules are produced by welding vertical frame members to panel members, these single panel modules are joined together to form a panel block, and then the horizontal frame members are attached to the panel block. Since the hull blocks are constructed by assembling the above, it is possible to automate the welding between the panel members and the vertical frame members and the welding between the panel blocks and the horizontal frame members.

[0011] Furthermore, various processes such as the process of manufacturing a single panel module and the process of assembling the transverse frame members can be automated.

0012

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows an example of a hull block.

In the figure, reference numeral 11 denotes a hull block, and the block 11 is a skin plate 2 formed by joining together a plurality of panel members 1, and a plurality of longitudinal ribs such as longitudinal members arranged in the longitudinal direction on the skin plate 2. It is formed by attaching a member 3 and laterally attaching a horizontal frame member 4 such as a web frame.

The present invention is a method of constructing the hull block 11, which comprises dividing the skin plate 2 into a plurality of single panel members 1 as shown in FIG.
After manufacturing a plurality of single panel modules 12 by welding a plurality of vertical frame members 3 to the panel member 1, and processing the grooves on the outer periphery of these single panel modules 12, as shown in FIG. One panel module 12 is joined by seam welding to form a panel block 13, and as shown in FIG. A hull block 11 is constructed by assembling bone members 4.

FIGS. 4 to 7 show equipment for carrying out the method for constructing the hull block 11 described above.

FIGS. 4 and 5 show the single panel module 1
This assembly equipment 14 includes a vertical bone storage device 15 for storing the vertical bone members 3 shown in FIG. a transfer device 16; a vertical bone assembly device 17 for assembling the vertical bone members 3 to the panel member 1; Vertical bone welding device 18 for welding and its vertical bone welding device 1
and a distortion correction device 19 for correcting distortion generated during welding of step 8.

The vertical bone storage device 15 has a vertical bone holding jig 20 for holding a large number of vertical bone members 3 in predetermined postures,
A vertical bone supply conveyor 21 is provided for sequentially supplying the vertical bone members 3 held by the holding jig 20 to the vertical bone transfer device 16.

The vertical bone transfer device 16 includes a trolley 24 that is spanned over a beam 23 of a frame 22 installed near the vertical bone supply conveyor 21, and is provided so as to be movable along the beam 22. The trolley 24 is provided with a magnetic lifter 25 that is supported in a vertically movable manner by the trolley 24 and that lifts and lowers the vertical bone member 3 supplied by the vertical bone supply conveyor 21 by suction. A cylinder 26 is provided for movement in a direction perpendicular to the direction (longitudinal direction of the lifted vertical frame member 3).

As shown in the figure, the vertical frame assembly device 17 includes a cart 27 mounted below the beam 23 so as to be movable with the panel member 1 placed thereon, and a panel mounted on the cart 27. It consists of a vertical bone attachment device 28 for positioning and attaching the vertical bone member 3 on the member 1.

The bogie 27 is supported so as to be freely movable along a pair of guide rails 30 laid on a bogie running path 29 in a direction perpendicular to the longitudinal direction of the beam 23.
7 is a rack 3 laid parallel to the guide rail 30
1 is engaged with a pinion (not shown) that is rotationally driven to move back and forth along the guide rail 30.

Further, positioning clamps 32 for positioning the panel member 1 to be placed at a predetermined position are provided on the outer periphery of the upper surface of the carriage 27 at appropriate intervals.

The vertical bone position attachment device 28 is attached to a support frame 32 that spans over the truck running path 23.
A plurality of vertical bone attachment devices 28 are provided so as to be movable along this line, and positioning holes 33 are formed in these vertical bone attachment devices 28 to allow the vertical bone members 3 to be inserted therethrough and positioned.

These mounting devices 28 also include a guide roller that grips and guides the vertical frame member 3 inserted through the positioning hole 33 and a welding torch that temporarily welds the positioned vertical frame member 3 to the panel member 1. (none of which are shown) is built-in.

The assembly equipment 12 has a built-in computer, and automatically controls the operation of the vertical bone transfer device 16, the travel of the trolley 27, the positioning of the vertical bone attachment device 28, etc. based on the input data. A control device 34 is provided, and in the vicinity of the control device 34, a welding machine 35 connected to a welding torch in the vertical frame attachment device 28 is provided.

Although FIG. 1 shows an example in which two vertical bone attachment devices 28 are provided, the number is not limited to this.

As shown in FIG. 5, the vertical rib welding device 18 is connected to the bogie running path 29 via a roller conveyor 36, and movably supports the panel member 1 on which the vertical rib member 3 is assembled. Welding workbench 37 and this welding workbench 37
A traveling frame 39 is provided so as to be able to run freely along the guide rails 38, and a plurality of welding torches 40 are provided on the traveling frame 39. A roller conveyor (not shown) for moving the single panel module 12 is retractably provided on the welding workbench 37.

Further, the distortion correction device 19 is provided on the downstream side of the vertical bone welding device 18 so as to be movable along the guide rail 38. A press 42 is provided.

The operations of the automatic welding device 32 and the distortion correction device 37 are automatically controlled by the control device 34 described above.

FIG. 6 shows a beveling device 43 for machining the peripheral bevel of the single panel module 12 formed by the assembly equipment 14.

As shown in the figure, this beveling device 43 has the following features:
A magnetic moving table 44 that fixedly supports the single panel module 12 is movably supported on a roller conveyor 45, and guide rails 47 that movably support a cutting machine frame 46 are provided on both sides of the roller conveyor 45. ing.

The cutting machine frame 46 is provided so as to straddle the single panel module 12 fixed on the magnetic moving table 44, and can run along the guide rails 47.

Two cutting machines 48 are installed on the cutting machine frame 46 so as to be movable and movable up and down so that both end edges of the panel member 1 of the single panel module 12 can be cut simultaneously. A cutting blade holder 49 is rotatably supported at the tip of the panel 48 so as to cut the bevel of the panel 1 into an I-shape, a V-shape, or an X-shape.

Further, the magnetic moving table 44 has a single panel module 12 placed on the moving table 44.
positioning clamp 50 for positioning the
is provided so as to be able to reciprocate in a direction perpendicular to the traveling direction of the magnet moving table 44.

In the figure, 51 is a control device for automatically controlling the operation of the beveling device 43, and 52 is a microcomputer for inputting operation data to the control device 51.

FIG. 4 shows a panel block 13 formed by joining together a plurality of single panel modules 12 which have been beveled by the beveling device 43 shown in FIG. 4 shows block construction equipment 52 for assembling hull blocks 11.

As shown in the figure, the block construction equipment 52 includes a welding surface plate 53 for welding a plurality of single panel modules 12, and a welding surface plate 53 for welding the vertical frame members 3 of the panel block 13 formed on the welding surface plate 53. Slot portion 6 of transverse bone member 4
It consists of a transverse frame assembly device 54 for assembling the transverse frame member 4 by inserting the transverse frame member 4, and a welding device 55 for welding the welded portions between the single panel modules 12 and the assembled transverse frame member 4 and the panel block 13. ing.

Roller conveyors 56 and 57 for moving the single panel module 12 in the vertical and horizontal directions are provided on the welding surface plate 53 so as to be able to appear and retract at appropriate intervals. Positioning clamps 58 are provided at appropriate intervals on both sides to press and fix the single panel modules 12 from both sides in order to position the single panel modules 12 in the width direction. Positioning stops 59 for positioning the single panel modules 12 in the vertical direction are provided at both ends of the upper surface of the module 53 so as to be retractable and appear at appropriate intervals, and to be movable in the vertical direction.

The horizontal frame assembly device 54 has guide rails 60 laid on both sides of the welding surface plate 53 as shown in the figure.
A pair of running frames 61 are provided so as to be able to run freely along each of the running frames 61, and the vertical frame members 3 of the panel block 13 on the welding surface plate 53 are stretched between both running frames 61 and grip the horizontal frame members 4. slot portion 6 of the transverse bone member 4 gripped by
and a transverse bone positioning device 62 for inserting the transverse bone member 4 therethrough and positioning the transverse bone member 4 at a predetermined position on the panel block 13.

This lateral bone positioning device 62 includes a gripping device (not shown) for gripping the lateral bone member 4, and a gripping device (not shown) that presses the gripped lateral bone member 4 downward so that its lower end is attached to the panel block 13.
A pressing clamp (not shown) is provided for positioning the device in close contact with the device.

Further, the welding device 55 is provided on the guide rail 60.

The welding device 55 is provided with a traveling frame 63 which is spanned between guide rails 60 and is movable along the guide rails 60, and this traveling frame 63 has a plurality of robots movable along it. A welding torch 64 is provided.

A control device 65 for controlling the operation of the transverse frame assembly device 54 and welding device 55 is provided near the welding surface plate 53;
A monitor 66 is provided to monitor the operation.

Note that 67 is a power source for supplying power to the welding device 55.

Next, an embodiment of the present invention will be described based on the equipment examples shown in FIGS. 4 to 7.

First, in FIG. 4, the vertical rib members 3 are stored in the vertical rib storage device 15 by a transport device 68 from a manufacturing location (not shown).

Further, the panel member 1 is processed into required dimensions using an NC processing device (not shown), and after the reference positions in the vertical and horizontal directions are set, it is placed at a predetermined position on the cart 27. At the same time, the front end of the skin plate 1 is positioned so as to be in contact with the vertical bone attachment device 27.

At this time, the vertical bone attachment device 27 is automatically controlled by the control device 34 so that the positioning hole 33 is positioned at a predetermined position.

Next, the stored vertical bone member 3 is lifted up by the vertical bone transfer device 16, and the front end of the vertical bone member 3 is inserted into the positioning hole 33 and placed on the panel member 1. .

As the carriage 27 moves forward, the vertical frame member 3 inserted into the positioning hole 33 is positioned on the panel member 1 by the positioning hole 33, and is temporarily fixed using a built-in welding torch (not shown). In this way, a plurality of vertical rib members 3 are sequentially assembled on the panel member 1, and a single panel module 12 with the vertical rib members 3 temporarily attached is produced.
to form.

The single panel module 12 in this state is as follows:
Vertical bone welding device 1 shown in FIG. 2 via roller conveyor 36
8, each vertical frame member 3 is welded to the panel member 1 by the vertical frame welding device 18, and after the welding is completed, the distortion caused by welding is corrected by the distortion correction device 19, and the vertical frame members 3 are welded to the panel member 1 by the vertical bone welding device 18. One panel module 12 is formed.

Next, the single panel module 12 whose distortion has been corrected is transferred to a beveling device 43 shown in FIG.
The bevel processing device 43 cuts the panel member 1 of the single panel module 12 into a predetermined size around the panel member 1 of the single panel module 12 based on input data based on the previously set reference line and in an appropriate bevel state. It is machined. The operation of the bevel processing device 43 at this time is automatically performed by the control device 51.

After manufacturing a plurality of single panel modules 12 in this way, these single panel modules 12 are transferred onto the welding surface plate 53 of the block construction equipment 52 shown in FIG. Single panel module with 12
A panel block 13 is formed by joining the panel members 1 together using a welding device 55.

Next, the horizontal bone member 4 is gripped by the horizontal bone assembly device 54, and the slot of the horizontal bone member 4 is inserted from the tip of the vertical bone member 3 of the panel block 13 (indicated by the two-dot chain line in FIG. 7). Part 6
After being inserted, the transverse bone member 4 is assembled at a predetermined position by sequentially moving the transverse bone member 4. This operation is repeated to sequentially assemble a plurality of horizontal frame members 4 onto the panel block 13.

The transverse frame member 4 assembled to the panel block 13 in this manner is welded to the panel block 13 by the welding device 55, and the hull block 11 is constructed.

At this time, the transverse bone assembly device 54 and the welding device 5
5 is automatically controlled by a control device 65.

As explained above, a plurality of single panel modules 12 are manufactured, and these single panel modules 1
2 are joined together to form a panel block 13, and then the transverse frame members 4 are assembled to the panel block 13 to construct the hull block 11. Therefore, the single panel module 12 is assembled to construct the block 11. process,
Various processes such as the welding and distortion correction process, the beveling process, the process of sequentially transferring the single panel module 12 to these processes, and the process of assembling and welding the horizontal frame member 4 to the panel block 13 are controlled by a control device, etc. It can be done automatically via.

Furthermore, since the grooves around the single panel module 12 are processed, the precision of the hull block 11 is improved, and the work efficiency in the subsequent mounting process can be improved.

Furthermore, as shown in FIG. 8, the transverse bone member 4 only needs to be formed with a slot portion 6 having a slit 10 passing through the web 3a of the vertical bone member 3, so a collar plate is attached to the slot portion 6. There is no need to weld the welded portion, and the welding device 55 can automatically weld the welded portion.

Furthermore, since the horizontal frame members 4 are assembled after the vertical frame members 3 are welded to the panel member 1, there is no blind spot for the welding device 55 at the weld between the vertical frame members 3 and the panel member 1, and the Welding can be done automatically.

[0060]

According to the present invention, a plurality of single panel modules are manufactured by assembling vertical frame members to panel members, and after these single panel modules are joined to form a panel block, horizontal ribs are attached to the panel block. Since the hull block is constructed by assembling the members, various processes in constructing the hull block can be automated, and welding during block construction can be automated. In addition, since the outer periphery of a single panel module is grooved before being formed into a panel block, excellent effects such as a dramatic improvement in the precision of the hull block are exhibited.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a hull block for explaining the method of the present invention.

FIG. 2 is a perspective view of a single panel module.

FIG. 3 is a perspective view showing a panel block.

FIG. 4 is a perspective view of a single panel module assembly facility.

FIG. 5 is a perspective view showing a vertical bone welding device of the single panel module assembly equipment.

FIG. 6 is a perspective view of a single panel module beveling apparatus.

FIG. 7 is a perspective view of block construction equipment.

FIG. 8 is a sectional view showing a transverse bone member used in the present method.

FIG. 9 is a perspective view showing a conventional example.

FIG. 10 is a perspective view showing a conventional example.

FIG. 11 is an enlarged sectional view showing a slot portion of a conventional transverse bone member.

FIG. 12 is an enlarged sectional view showing a slot portion of a conventional transverse bone member.

[Explanation of symbols]

1 Panel member 3 Vertical frame member 4 Horizontal frame member 11 Hull block 12 Single panel module 13 Panel block 14 Single panel module assembly equipment 17 Vertical frame assembly device 43 Bevel processing device 52 Block construction equipment 54 Horizontal frame assembly device

Claims (1)

[Claims] [Claim 1] Welding a vertical bone member to a skin plate,
In the method of constructing a hull block in which the transverse rib members are assembled by inserting the longitudinal rib members into the slots of the transverse rib members in the skin plate, the skin plate is divided into a plurality of single panel members. After forming a single panel module, welding multiple vertical frame members to the panel member to produce multiple single panel modules, processing the bevels on the outer periphery of these single panel modules, and then joining these single panel modules together by welding. 1. A method of constructing a ship hull block, comprising: forming a panel block, and assembling the horizontal rib members by inserting slots of the horizontal rib members into the vertical rib members of the panel block.