JP2002264803A - Double skin material for railway vehicle structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle structure manufacturing method with excellent workability capable of eliminating member reversing work in welding work when manufacturing railway vehicle structure formed of a double skin material easy to cause a welding line in the front surface and the rear surface thereof such as a hollow aluminum shape having a welding line in the surface and the rear surface thereof. SOLUTION: When welding structure blocks 3, 4 and 6 manufactured by welding several double skin materials 1 and 1' such a plurality of hollow aluminum shapes from the inside of a room, after welding butt welding lines 10 of outer plates 1a and 1'a of the outside of the room, the welding lines 10 of the inner plates 1b and 1'b of the inside of the room and the welding line 10 of a sealing shape 2 are welded for manufacturing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for manufacturing a railway vehicle structure.

[0002]

2. Description of the Related Art A plurality of hollow aluminum extruded profiles or a double-skin material having a weld line on both sides thereof, such as a sandwich structure, is mainly composed of a roof structure block, a side structure block, an underframe block and the like. Has a welding line inside and outside the room, so it is necessary to perform double-side welding. In the conventional structure manufacturing method, for example, when welding is performed from the indoor side as in the method described in JP-A-6-270797, it is necessary to invert the member and weld the outdoor side. Therefore, workability was poor because reversal work was performed during welding.

[0003]

According to the prior art, a railway vehicle structure made of a double-skin material in which a welding line is formed on the front and back of a hollow aluminum extruded profile or a sandwich structure or the like has a welding line on the indoor side and the outdoor side. However, it was necessary to weld both sides, and the reversal work of the members was required, so that the workability was poor.

[0004] An object of the present invention is to fabricate each structural block by welding using a double skin material in which welding lines are formed on the front and back of a hollow aluminum extruded profile or a sandwich structure, etc., without involving the reversal of members. Thus, it is an object of the present invention to provide a method for manufacturing a railway vehicle structure that can easily perform a welding operation by welding from one side inside or outside a room.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a double-skin material in which welding lines are formed on the front and back of a plurality of hollow aluminum extruded profiles or sandwich structures, and mainly comprises a roof structure block. For example, in the case of welding each block from the inside of a room, first, butt-welding the outside plates on the outside of the room, and then joining the blocks, and then closing the block. The material and the inner panel on the indoor side are joined by welding. Alternatively, in the case of welding from the outdoor side, the indoor side inner plate is butt-welded and joined, and then the closing shape member and the outdoor side outer plate are joined by welding.

[0006] As described above, since welding can be performed from one side without inverting the members, welding workability is improved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows an embodiment of the present invention, which shows a part of a double-skin structure formed with extruded hollow aluminum members 1 and 1 ', in which welding lines are formed on both sides. Generally, railway vehicle structures are mainly composed of left and right side structural blocks, roof structural blocks,
It is composed of structural blocks such as a wife structural block and an underframe block. When manufacturing each structural block, a plurality of extruded hollow aluminum members are arranged on a work board, and the welding lines 10 are connected by welding. FIG. 1 shows a state in which a hollow aluminum extruded profile 1 and another adjacent hollow aluminum extruded profile 1 ′ are closed and welded via a profile 2.

FIG. 2 shows a joining method for joining the extruded hollow aluminum members 1 and 1 'shown in FIG. The outer plate 1a and the outer plate 1'a on the outdoor side of the structural block are butted and welded. After that, the closing member 2 is installed so as to connect the inner plate 1b and the inner plate 1'b on the indoor side of the structural block, and is joined by welding. Therefore, the welding work of the outer plates 1a, 1'a and the welding of the inner plates 1b, 1'b of the extruded hollow aluminum members need only be performed from the indoor side. good.

Although the welding in FIGS. 1 and 2 is performed from the indoor side, the welding may be performed from the outdoor side.

FIG. 3 shows an embodiment of the present invention in which the underframe block 3 including the side beam members 5 and the side structural block 4 are joined. The underframe block 3 of the present embodiment is shown in FIGS.
Assembled by welding from the indoor side as manufactured by the method shown in. For example, the outer plate 5a of the side beam member 5 and the outer plate 3a of the underframe 3 are butt-welded. Thereafter, the inner plate 5b of the side beam profile 5 and the inner plate 3b of the underframe 3 are closed and welded via the profile 2 '. Underframe block 3 and side structure 4 manufactured in this way
And are joined by double-sided welding inside and outside the room.

FIG. 4 shows a vehicle structure excluding a wife structure including an underframe block 3, a side structure block 4, and a roof structure 6 including the side beam members 5 manufactured by the method shown in FIGS.

FIG. 5 shows an embodiment of the present invention, in which the underframe block 3 including the side beam members 5 and the side structural block 4 are connected to each other. This embodiment is an example in which the joining operation of the side beam members 5 and the side structures 4 joined to the underframe block 3 is performed from the indoor side. That is, the outer plate 5a of the side beam member 5 and the outer plate 4a of the side structure 4 are butted and welded. Thereafter, the inner plate 5b of the side beam member 5 and the inner plate 4b of the side structure 4 are closed to form the member 2 ″.
Weld through.

In the same manner as described above, the joining between the blocks can be accomplished by welding the inside of the room and the outside plate of the outside of the double-skin profile to the inside of the room.

FIG. 6 shows an embodiment of the present invention, in which the underframe block 3 including the side beam members 5 and the side structural block 4 are joined. The present embodiment is an example in which the joining operation of the side beam members 5 and the side structures 4 joined to the underframe block 3 is performed from the outdoor side. That is, the inner plate 5b of the side beam member 5 and the inner plate 4b of the side structure 4 are butted and welded. Thereafter, the outer plate 5a of the side beam member 5 and the outer plate 4a of the side structure 4 are closed to form the member 2 ″.
Weld through. In this case, the example of manufacturing the underframe block 3 including the side beam members 5 is performed by welding from the outdoor side.

In the same manner as described above, the joining between the blocks can be performed by welding both the outdoor outer plate and the indoor inner plate of the double-skin profile to the outside. In short, when assembling by welding from the indoor side, the outer plate is welded first, then the inner plate is closed and welded through the shape material, and when assembling by welding from the outdoor side, the inner plate is assembled. Weld first,
After that, the outer plate is closed and welded through the profile.

FIG. 7 shows that the closing shape member 2 '''may have a predetermined shape from the viewpoint of joining of outfitting parts and strength.

Although a vehicle structure using a hollow aluminum material has been described with reference to FIGS. 1 to 7, a sandwich structure may be used. FIG. 8 shows an embodiment of a honeycomb panel having a sandwich structure. The honeycomb panel has a face plate 7a,
7b, 7'a, 7'b, core members 7c, 7'c, and profiles 7d, 7'd arranged around the panel. FIG. 8 shows a state in which a honeycomb panel 7 and another adjacent honeycomb panel 7 ′ are joined by welding via the plug 2. The method of joining the honeycomb panels is as follows: the outer panel 7a, the profile member 7 on the outdoor side of the structural blocks of the honeycomb panels 7, 7 '
d, the outer plate 7'a and the profile 7'd are butted and welded.
After that, the closing shape member 2 is moved to the inner plate 7 on the indoor side of the structural block.
b, the profile 7d is installed so as to connect the inner plate 7'b and the profile 7d, and joined by welding. Accordingly, the welding operation is performed by welding the outer plates 7a and 7'a and the profiles 7d and 7'd of the honeycomb panel and the inner plates 7b and 7'b and the profiles 7d and 7'd from the indoor side. Since the work only needs to be performed, there is no work of reversing the members, and the workability is good.

Although the welding in FIG. 8 is performed from the indoor side, the welding may be performed from the outdoor side.

[0020]

According to the present invention, when manufacturing at least each of the structural blocks, the welding operation can be performed without performing the reversing operation, and the operation cost can be reduced. According to the present invention,
Welding work can be performed from the indoor side or from the outdoor side to join the structural blocks of the double skin.

[Brief description of the drawings]

FIG. 1 is a sectional view of a joint between hollow aluminum members of a structural block according to an embodiment of the present invention.

FIG. 2 is a sectional view showing an example of a welding procedure of the embodiment in FIG.

FIG. 3 is a cross-sectional view of a joint portion between an underframe block and a side structure block according to one embodiment of the present invention.

FIG. 4 is a front view of a cross section of a vehicle structure formed by joining the respective structure blocks in one embodiment of the present invention.

FIG. 5 is a cross-sectional view of a joint portion between an underframe block and a side structure block according to an embodiment of the present invention.

FIG. 6 is a cross-sectional view of a joint portion between an underframe block and a side structure block according to an embodiment of the present invention.

FIG. 7 is a sectional view of a joint between hollow aluminum members of a structural block according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view of a joint between honeycomb panels of a structural block according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Hollow aluminum shape material, 2 ... Block shape material, 3 ... Underframe block, 4 ... Side structure block, 5 ... Side beam shape material, 6 ... Roof structure block, 7 ... Honeycomb panel, 10 ... Welding line.

[Procedure amendment]

[Submission Date] February 28, 2002 (2002.2.2)
8)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Name of invention

[Correction method] Change

[Correction contents]

[Title of the Invention] Double skin material of railway vehicle structure

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction contents]

[0004] An object of the present invention is to fabricate each structural block by welding using a double skin material in which welding lines are formed on the front and back of a hollow aluminum extruded profile or a sandwich structure, etc., without involving the reversal of members. As such, welding work can be easily performed by welding from one side inside or outside the room.
It is to provide a double skin material .

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

The above object is achieved by a first plate.
A second plate substantially parallel thereto, and the first plate
And a third plate connecting the second plate.
In the skin material, in the width direction of the double skin material,
Wherein the end of the first plate is the end of the second plate
Double skin material, which is more protruding than
This can be achieved by composing a fee.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction contents]

FIG. 1 shows an embodiment of the present invention, which shows a part of a double-skin structure formed with extruded hollow aluminum members 1 and 1 ', in which welding lines are formed on both sides. As shown in FIG. 4 , a railway vehicle structure is generally mainly composed of left and right side structure blocks, a roof structure block, a wife structure block, and an underframe block. When manufacturing each structural block, multiple hollow aluminum extrusions are arranged on the work board,
The welding lines 10 are joined by welding. FIG. 1 shows a situation in which a hollow aluminum extruded profile 1 and another adjacent hollow aluminum extruded profile 1 ′ are closed and welded via a profile 2. As is clear from FIG. 1 and FIG.
Qualitatively parallel outer plate 1a and inner plate 1b, both connected diagonally
And a plurality of connecting plates. Each connection plate is outside
It is connected to the plate 1a and the inner plate 1b in a truss shape. Of profile 1
At the end in the width direction, the end of the outer plate 1a is the end of the inner plate 1b.
It protrudes from the part. The connecting plate at the end is a protruding outer plate 1
It is connected in the middle of a. Two connections at the end of the inner plate 1b
The boards are connected. From this connection to the end of the inner plate 1b
The plate projects toward it. The protrusion of this plate is short. this
The plate is located at a position recessed toward the outer plate 1a and has a recess.
You. The end of the plug 2 overlaps the recess. Shape 1 'is a shape
This is the same configuration as in FIG.

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction contents]

FIG. 2 shows a welding method for welding the hollow aluminum extruded sections 1 and 1 'shown in FIG. The outer plate 1a and the outer plate 1'a on the outdoor side of the structural block are butted and welded. After that, the closing shape member 2 is installed so as to connect the inner plate 1b and the inner plate 1'b on the indoor side of the structural block, and is welded by welding. As is clear from FIGS. 1 and 2, this welding
Is butt welding. The closing member 2 is composed of inner plates 1b and 1'b.
Since it overlaps with the concave portion of the connection portion with the connection plate,
Positioning is easy and butt welding is easy. Dissolution
When they are in contact with each other, the closing plate 2 is actually on the extension of the inner plates 1b and 1'b.
Qualitatively located. Therefore, the welding operation is performed by welding the outer plates 1a and 1'a of the hollow aluminum extruded profile and the inner plates 1b and 1 '.
Since the welding of b can be performed only from the indoor side, the workability is good without the reversal work of the members. Inner plate 1b, 1'b
Welding plug 2 near the intersection of the truss with the number of connection plates
Therefore, the welded structure has high strength.

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction contents]

As shown in FIG. 7 , the shape of the closing member 2 ′ ″ is
The shape may be a predetermined shape from the viewpoint of joining of outfitting parts and strength.

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

[0020]

According to the double skin material of the present invention ,
When fabricating the blocks can joining operation without inversion operations, are those capable of reducing operating costs.

Claims (2)

[Claims] 1. A method of manufacturing a railway vehicle structure comprising a plurality of hollow aluminum extruded profiles or a double skin material in which welding lines are formed on both sides of a sandwich structure, and mainly comprising a roof structure block, a side structure block, and an underframe block. In the method, in the production of the structural block, that is, in a welding operation of joining the materials of the plurality of hollow aluminum extruded profiles or the plurality of sandwich structures, by welding from one side indoor or outdoor, A method for manufacturing a railway vehicle structure, wherein each of the blocks is manufactured without performing a member reversing operation. 2. A railcar structure comprising a plurality of hollow aluminum extruded profiles or a double skin material in which welding lines are formed on the front and back of a sandwich structure, and mainly comprising a roof structure block, a side structure block, an underframe block and the like. In the manufacturing method, when each of the above-mentioned structural blocks is welded to each other to complete a vehicle structure, the structure block is manufactured by welding from one side of an indoor side or an outdoor side.