JP2023039706A - Railway vehicle - Google Patents

Abstract

To provide a railway vehicle which can suppress deformation of side outer plates caused by welding distortion.SOLUTION: A side outer plate 25 has a first divided outside plate 311 and a second divided outside plate 321 arranged to be adjacent to each other with a prescribed clearance G11 in a track direction. The first divided outer plate 311 has a first lateral bone 312 extending in the track direction at an inner face 311a on the inner side of a vehicle body structure 2, and the second divided outer plate 321 has a second lateral bone 322 extending in the track direction at an inner face 321a on the inner side of the vehicle structure 2. A side body structure 22 has a column member 41 extending along the clearance G11 and the column member 41 has a support part (for example, a flat plate material 411) supporting the first divided outside plate 311 and the second divided outside plate 321 from the side of the inner faces 311a and 321a and a connection part 412c connected to at least one of the first lateral bone 312 and the second lateral bone 322.SELECTED DRAWING: Figure 2

Description

TECHNICAL FIELD The present invention relates to a railway vehicle provided with a side structure forming a side portion of the vehicle structure, and the side structure having a side outer plate forming an outer surface of the vehicle structure.

A railway vehicle has a bogie and a vehicle structure supported by the bogie. A pair of end structures (for example, a gable structure) that form a connecting portion of the vehicle structure, a pair of side structures that form the side portions of the vehicle structure by standing on both ends of the underframe in the sleeper direction, and a pair of Generally, the upper end of the end structure and the roof structure that forms the roof of the vehicle structure by being coupled to the upper ends of the pair of side structures form a hexahedron.

The side structure includes a side skin that forms the outer surface of the vehicle structure, and longitudinal and transverse ribs that support the side skin from the inside of the vehicle structure. The side skin requires a length (approximately 20 m) corresponding to the total length of the vehicle structure in the track direction. For this reason, if the side skin is constructed from a single plate, problems may arise from the viewpoint of manufacturability, such as difficulty in securing work space and inability to fit into welding equipment when assembling the side structure. There is

Therefore, as disclosed in Patent Document 1, the side structure is divided into a block constituting the window portion (hereinafter referred to as a window block) and a block constituting the entrance portion (hereinafter referred to as a side entrance block). It has been proposed to construct a side structure by joining blocks that are connected to each other by welding. As a result, the side outer plate need not be formed from a single plate having a length corresponding to the entire length of the vehicle structure, and the problem of manufacturability described above can be resolved.

Japanese Patent No. 3507981

However, if the structure of the side structure disclosed in Patent Document 1 is used in a railway vehicle having a small number of entrances and exits, such as an honors vehicle, the length of the window block in the track direction becomes long. In that case, the problem of manufacturability described above may occur, so the window block must be further divided into a plurality of blocks. As in the side structure disclosed in Patent Document 1, when a window block and a side entrance block are joined, the joint is reinforced by a doorway frame member or the like, but the window block is composed of a plurality of blocks. As a result, the seams are structurally weak because there is no reinforcing member such as the frame member. If welding is performed at such a structurally weak point, welding distortion may cause the side outer plate to be deformed so as to be recessed toward the inside of the vehicle structure. If the side skin is deformed in this manner, the outer surface of the vehicle structure becomes uneven, which causes problems in terms of appearance.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems, and to provide a railway vehicle capable of suppressing deformation of the side outer plate due to welding strain.

In order to solve the above problems, the railway vehicle of the present invention has the following configuration.
(1) A railway vehicle comprising a side structure forming a side portion of a vehicle structure, the side structure comprising a side outer plate forming an outer surface of the vehicle structure, wherein the side outer plate is provided with a predetermined gap between the track and the track. A first split skin plate and a second split skin plate are arranged adjacent to each other in the direction of the track. a rib, wherein the second split skin plate includes a second lateral rib extending in a track direction on an inner surface on the inner side of the vehicle structure; and the side structure extends along the gap. a column member, wherein the column member includes at least a support portion that supports the first segmented skin and the second segmented skin from the inner surface side, and the first lateral rib and the second lateral rib; and a coupling part coupled to one side.

According to the railway vehicle described in (1), the first divided outer plate and the second divided outer plate are moved from the outside of the vehicle structure along the gap between the first divided outer plate and the second divided outer plate. Welding can be performed. In this case, since the support portion of the column member supports the first split skin plate and the second split skin plate from the inner surface side, the column member is not attached to the welded portion (i.e., the first split skin plate and the second split skin plate). the gap between the welds) can be supported just behind the weld. Furthermore, since the connecting portion of the column member is connected to at least one of the first transverse rib of the first split skin and the second transverse rib of the second split skin, at least the first transverse bone and the second transverse bone One can support the column member via the joint.

As described above, since the column member that supports the welded portion is supported by at least one of the first horizontal rib and the second horizontal rib, the welded portion is firmly fixed, and welding strain causes the first split skin plate and the second split skin plate to be separated. It is possible to resist the force that tends to deform the two-part skin. In other words, it is possible to suppress the deformation of the first divided skin plate and the second divided skin plate (and the side outer plate) due to welding, and to ensure the aesthetic appearance of the vehicle structure. The predetermined gap is a gap of a size that enables butt welding when the first split skin and the second split skin are arranged on the same plane, for example.

(2) In the railway vehicle described in (1), the coupling portion is joined to an end portion of at least one of the first transverse rib and the second transverse rib, opposite to the inner surface side. ,

(3) In the railcar described in (2), an arrangement space for arranging the column member is provided along the gap between the first transverse rib and the second transverse rib. and a first flange coupled to the flat plate member as the supporting portion positioned so as to cover the gap from the inner side of the vehicle structure in the arrangement space. , and a Z-shaped member provided with a second flange serving as the coupling portion, projecting from the arrangement space toward the first lateral bone or the second lateral bone.

(4) In the railcar described in (2), an arrangement space for arranging the column member is provided along the gap between the first transverse rib and the second transverse rib. the column member includes a body portion as the support portion positioned in the arrangement space so as to cover the gap from the inner side of the vehicle structure; A first flange as the connecting portion that projects toward the first lateral bone from the second flange, and a second flange that extends from the main body portion and projects toward the second lateral bone from the arrangement space as the connecting portion. and being a hat-shaped material.

In order for at least one of the first lateral rib and the second lateral rib to more effectively support the column member via the joint portion of the column member, the joint portion should be positioned closer to the inside of the vehicle structure than the welded portion. It is desirable to be connected to at least one of the first transverse bone and the second transverse bone at a position as far apart as possible. According to the railway vehicle described in (2) or (3) or (4), the connecting portion is provided on the side of at least one of the first transverse rib and the second transverse rib opposite to the inner surface side of the split outer plate. Joined to the ends. This is because the joint portion is separated from the welded portion toward the inside of the vehicle structure by the thickness of at least one of the first and second transverse ribs in the sleeper direction. It means attached to at least one of the transverse bones. Therefore, at least one of the first lateral rib and the second lateral rib can more effectively support the column member via the connecting portion, and the welding distortion can more reliably support the first split skin and the second split skin. It is possible to resist the force that tends to deform the split skin. In other words, it is possible to more reliably suppress deformation of the first split skin plate and the second split skin plate (and thus the side outer plate).

(5) In the railway vehicle according to any one of (1) to (3), the side structure includes a reinforcing member that spans the first horizontal rib and the second horizontal rib; The pillar member is characterized by comprising a second connecting portion that is connected to the reinforcing member.

According to the railway vehicle described in (5), at least one of the first lateral rib and the second lateral rib supports the pillar member via the connecting portion, and the second connecting portion is connected to the reinforcing member. Therefore, the reinforcing member also supports the column member. Therefore, it is possible to more reliably resist the force that tends to deform the side outer plate due to welding strain. In other words, it is possible to more reliably suppress deformation of the first split skin plate and the second split skin plate (and thus the side outer plate).

According to the railway vehicle of the present invention, it is possible to suppress deformation of the side outer plate due to welding strain.

1 is a side view of a railway vehicle; FIG. FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1; FIG. 3 is an arrow view showing an arrow B in FIG. 2; It is a figure which shows the process of coupling|bonding a 1st block and a 2nd block. It is a figure which shows the process of coupling|bonding a 1st block and a 2nd block. FIG. 3 is a diagram for explaining a second embodiment, and is a cross-sectional view corresponding to FIG. 2 ; It is a figure which shows the modification of 2nd Embodiment. 3 is a diagram for explaining a third embodiment, and is a cross-sectional view corresponding to FIG. 2. FIG. FIG. 11 is a diagram for explaining a fourth embodiment, and is a cross-sectional view corresponding to FIG. 2 ;

(Regarding the first embodiment)
A first embodiment of a railway vehicle according to the present invention will be described in detail with reference to the drawings.

First, the configuration of a railcar 1 according to this embodiment will be described with reference to FIG. FIG. 1 is a side view of a railway vehicle 1. FIG.

The railroad vehicle 1 is, for example, a first class vehicle that runs on a track 6 . As shown in FIG. 1, the railway vehicle 1 is composed of a vehicle structure 2 and a bogie 3 supporting the vehicle structure 2. As shown in FIG.

The vehicle structure 2 includes an underframe 21 that forms the floor of the railroad vehicle 1, and a pair of gable structures 24 that form connecting portions of the railroad vehicle 1 by standing on both ends of the underframe 21 in the track direction. , are erected on both end portions of the underframe 21 in the sleeper direction, and are connected to the pair of side structures 22 forming the side portions of the railcar 1 and the gable structure 24 and the upper end portions of the side structures 22. , and a roof structure 23 forming the roof of the railway vehicle 1 form a hexahedron. In addition, the vehicle structure 2 is provided with a passenger entrance 4 and a window 5 leading to an internal cabin. Note that the railroad vehicle 1 in the present embodiment is an intermediate vehicle in which connecting portions are formed at both ends in the track direction, but is not limited to this, and may be a leading vehicle.

The side structure 22 includes a side outer plate 25 that forms the side surface of the vehicle structure 2 . The side outer plate 25 is composed of a blowing portion 252 where the window 5 is formed, a curtain plate portion 251 above the blowing portion 252 , and a waist plate portion 253 below the blowing portion 252 .

In the side structure 22, a first block 31, a second block 32, a third block 33, a fourth block 34, and a fifth block 35 are arranged in the track direction, and adjacent blocks are joined together. It consists of

Specifically, the first block 31 and the second block 32 are joined by a welded portion 43A on the curtain plate portion 251 and a welded portion 43B on the waist plate portion 253 . The blowing part 252 is not connected because the window 5 is provided.

The second block 32 and the third block 33 are joined by a welded portion 43C on the curtain plate portion 251 and a welded portion 43D on the waist plate portion 253 . The blowing part 252 is not connected because the window 5 is provided.

The third block 33 and the fourth block 34 are joined together by a welded portion 43</b>E in the curtain plate portion 251 . The blowing part 252 and the wainscot part 253 are not connected because the passenger entrance 4 is provided.

The fourth block 34 and the fifth block 35 are joined together by a welded portion 43</b>F that continues across the curtain plate portion 251 , the blowing portion 252 and the waist plate portion 253 .

The structure of each block 31-35 and how each block 31-35 are connected will be described with reference to FIGS. 2 and 3, taking the first block 31 and the second block 32 as examples. FIG. 2 is a cross-sectional view taken along line AA of FIG. 3 is an arrow view showing an arrow B in FIG. 2. FIG. In addition, in FIG. 3, the portion of the coupling portion 412c at the center in the height direction is shown in a partial cross-sectional view. 2 and 3 are diagrams showing the configuration of the welded portion 43B connecting the first block 31 and the second block 32, but the other welded portions 43A, 43C, 43D, 43E, and 43F are similar. is the configuration.

The first block 31 includes a first split skin plate 311 and a first transverse rib 312, and the second block 32 includes a second split skin plate 321 and a second transverse rib 322, as shown in FIG. ing. The third block 33, the fourth block 34, and the fifth block 35 also have a third divided outer plate 331, a fourth divided outer plate 341, and a fifth divided outer plate 351 (see FIG. 1), respectively, and their inner surfaces. has transverse bones (not shown).

The divided outer plates 311, 321, 331, 341, 351 are plate materials of stainless steel or steel with a thickness of about 2 mm. As shown in FIG. 2, the first divided outer plate 311 and the second divided outer plate 321 are arranged on the same plane in the track direction with a predetermined gap G11. This gap G11 becomes the welded portion 43B, and the first divided outer plate 311 and the second divided outer plate 321 are joined together. Therefore, the size of the gap G11 is such that the first split skin plate 311 and the second split skin plate 321 can be welded together. This welding is performed by arc welding, for example. Further, the second split skin plate 321 and the third split skin plate 331, the third split skin plate 331 and the fourth split skin plate 341, and the fourth split skin plate 341 and the fifth split skin plate 351 are the same as the gap G11. are arranged on the same plane in the orbital direction with a gap of . Then, by welding (for example, by arc welding) using the gap, the second split skin 321 and the third split skin 331 are joined, the third split skin 331 and the fourth split skin 341 are joined, and the fourth split skin is joined. The split outer plate 341 and the fifth split outer plate 351 are joined together. In this way, the side outer plate 25 is configured by welding the adjacent split outer plates 311, 321, 331, 341, and 351 to each other.

The first horizontal rib 312 (second horizontal rib 322) is an elongated member extending in the track direction and made of stainless steel or the like to have a hat-shaped cross section. A plurality of wires are provided in parallel in the vertical direction (vertical direction in FIG. 3). The first horizontal rib 312 (second horizontal rib 322) may be an elongated member having a Z-shaped cross section.

As shown in FIG. 2, these first transverse ribs 312 (second transverse ribs 322) have openings 312a (322a) located on the side of the first split outer plate 311 (second split outer plate 321) and the opposite side. It is joined to the inner surface 311a (321a) of the first split outer plate 311 (second split outer plate 321) so that the closed end 312b (322b) is positioned in the inner surface 311a (321a).

The length of the first horizontal rib 312 (second horizontal rib 322) in the track direction is shorter than that of the first divided outer plate 311 (second divided outer plate 321). That is, both ends of the first split skin plate 311 (second split skin plate 321) in the track direction protrude from both ends of the first lateral rib 312 (second lateral rib 322) in the track direction. Thus, an arrangement space S11 for arranging the column member 41 is formed along the gap G11 between the first transverse rib 312 and the second transverse rib 322. As shown in FIG.

The column member 41 is formed by connecting a flat plate member 411 (an example of a support portion) and a Z-shaped member 412 . The flat plate member 411 is made of stainless steel or the like and has a thickness of about 2 mm, and is formed in a rectangular shape having a longitudinal direction along the gap G11. In addition, in the arrangement space S11, the flat plate member 411 is arranged between the first divided outer plate 311 and the second divided outer plate 321 so as to cover the gap G11 from the inner side of the vehicle body structure 2 (upper side in FIG. 2). is placed horizontally. Thereby, the flat plate member 411 supports the first divided outer plate 311 and the second divided outer plate 321 from the inner surfaces 311a, 321a. The flat plate member 411 is welded to the first split skin plate 311 and the second split skin plate 321 while being in contact with the inner surface 311a of the first split outer plate 311 and the inner surface 321a of the second split outer plate 321. there is This welding is most preferably done by laser welding. For example, it is possible to join the flat plate material 411 to the first split skin plate 311 and the second split skin plate 321 by plug welding or spot welding. There is a risk that the second split skin 321 will burn or burn through, and spot welding will cause indentations on the first split outer plate 311 and the second split outer plate 321 . may occur.
In this embodiment, the flat plate material 411 is welded to both the inner surface 311a of the first split outer plate 311 and the inner surface 321a of the second split outer plate 321. It is sufficient if it is coupled to the inner surface 321 a of the outer plate 321 . As long as the flat plate material 411 is joined to the inner surface 321a of the second split skin 321, even if it is only in contact with the inner surface 311a of the first split skin 311 without joining, it is sufficiently It is possible to support the first segmented skin 311 and the second segmented skin 321 .

The Z-shaped member 412 is an elongated member extending along the gap G11 and having a Z-shaped cross section made of stainless steel or the like. Also, the Z-shaped member 412 has a first flange 412a parallel to the flat plate member 411 and a second flange 412b parallel to the end 322b of the second lateral rib 322 .

The first flange 412 a is welded to the flat plate member 411 while being in contact with the surface of the flat plate member 411 opposite to the first split outer plate 311 . The plate member 411 and the Z-shaped member 412 are thereby joined together. This welding is performed by plug welding, laser welding, spot welding, or the like.

A connecting portion 412c projecting from the arrangement space S11 toward the second lateral bone 322 is provided at the tip of the second flange 412b. As shown in FIG. 3, the connecting portions 412c are provided in alignment with the positions of the plurality of second lateral ribs 322, so that the second flange 412b has a comb shape. 2, the connecting portion 412c is inserted into the space between the end portion 322b of the second lateral rib 322 and the second divided outer plate 321, It is joined by welding to the end face on the plate 321 side. This welding is performed by plug welding, laser welding, or the like.

Note that the Z-shaped member 412 shown in FIG. 2 may be left-right reversed. That is, in FIG. 2, the first flange 412a extends toward the first lateral bone 312 side (left side in the drawing), and the second flange 412b extends toward the second lateral bone 322 side (right side in the drawing). However, it is assumed that the first flange 412a extends toward the second lateral bone 322 side (right side in the drawing) and the second flange 412b extends toward the first lateral bone 312 side (left side in the drawing). Also good. In this case, the coupling portion 412c provided at the tip of the second flange 412b is inserted into the space between the end portion 312b of the first lateral rib 312 and the first split outer plate 311, and the end portion It is joined to the end face of 312b on the side of the first divided outer plate 311 by welding (plug welding, laser welding, etc.). Further, in this case, the flat plate member 411 may be coupled to both the inner surface 311a of the first split skin 311 and the inner surface 321a of the second split outer plate 321, or only to the inner surface 311a of the first split outer plate 311. It is also possible to combine them.

In addition, the side structure 22 is provided with a reinforcing member 42 for reinforcing the connection between the blocks 31-35, as shown in FIG. The reinforcing member 42 is a plate member made of stainless steel or the like having a thickness of about 2 mm. The reinforcing member 42 spans the first horizontal rib 312 and the second horizontal rib 322 so as to cover the installation space S11 from the inner side (upper side in FIG. 2) of the vehicle structure 2 . In addition, the reinforcing member 42 penetrates from the inner side surface of the vehicle structure 2 to the opposite side surface at the location where it contacts the end portion 312b of the first horizontal rib 312 or the end portion 322b of the second horizontal rib 322. A through hole 421 is provided. The reinforcing member 42 is connected to the end portion 312b of the first lateral rib 312 and the end portion 322b of the second lateral rib 322 by plug welding or ring welding using the through hole 421 .

Next, the process of joining the blocks 31-35 will be described. Here, the process of joining the first block 31 and the second block 32 will be described as an example with reference to FIGS. 4 and 5. FIG. 4 and 5 are diagrams showing the process of joining the first block 31 and the second block 32. FIG.

The first divided skin plate 311 and the first transverse rib 312 are combined in advance to form the first block 31 , and the second divided outer plate 321 and the second transverse rib 322 are combined to form the second block 32 . Furthermore, in this second block 32, as shown in FIG. By connecting the flat plate member 411, the column member 41 is connected to the end on the side adjacent to the first block 31. As shown in FIG.

When connecting the first block 31 and the second block 32, first, as shown in FIG. to approach from Then, as shown in FIG. 5 , the flat plate material 411 of the column member 41 is in contact with the inner surface 311 a of the first split skin 311 and between the first split skin 311 and the second split skin 321 . The position of the second block 32 is adjusted so that the gap G11 is created.

When adjusting the position of the second block 32, the camber of the side structure 22 is also adjusted. The vehicle body structure 2 may bend downward at its central portion in the track direction due to the weight of the vehicle body structure 2 and the weight of the passengers, and may violate the lower vehicle limit. In order to prevent this, it is necessary to provide the side structure 22 with a camber in advance so that the side structure 22 is curved upward (upward in FIG. 1) at the center in the track direction. Therefore, by adjusting the position of the second block 32 with respect to the first block 31, such as increasing the gap G11 toward the upper part of the vehicle structure 2 in the height direction, the side structure 22 is formed in a bow shape. do.

After the position adjustment of the second block 32 is completed, the reinforcing member 42 (see FIG. 2) is joined, and the first split outer plate 311 and the second split outer plate 321 are joined. Either the joining of the reinforcing member 42 or the joining of the split outer plates 311 and 321 may be performed first.

Reinforcing member 42 is coupled to first crossbone 312 and second crossbone 322, as shown in FIG.

The first divided outer plate 311 and the second divided outer plate 321 are joined by welding using the gap G11. When this welding is performed, the flat plate material 411 of the column member 41 supports the first divided outer plate 311 and the second divided outer plate 321 from the inner surfaces 311a and 321a. 43B (see FIG. 2) is supported just behind the welded portion 43B. Furthermore, since the connecting portion 412c of the pillar member 41 is connected to the second horizontal rib 322, the second horizontal rib 322 supports the pillar member 41 via the connecting portion 412c.

As described above, since the column member 41 that supports the welded portion 43B is supported by the second lateral ribs 322, the welded portion 43B is firmly fixed, and welding strain causes the first split outer plate 311 and the second split outer plate 311 to be separated. It is possible to resist the force that the outer plate 321 tries to deform. That is, deformation of the first split skin plate 311 and the second split skin plate 321 due to welding can be suppressed, and the appearance of the vehicle body structure 2 can be ensured.

The connection between the first block 31 and the second block 32 is completed by the completion of the connection of the reinforcing member 42 and the connection of the split outer plates 311 and 321 . The connection between the second block 32 and the third block 33, the connection between the third block 33 and the fourth block 34, and the connection between the fourth block 34 and the fifth block 35 are also the same as the first block 31 and the second block described above. The step of joining block 32 is similar. Although the first block 31 and the second block 32 have been described as an example of the process of joining the blocks 31 to 35, the first block 31 and the second block 32 must be joined first. , and the order in which they are combined does not matter.

As described above, the railcar 1 of the first embodiment includes the side structure 22 that forms the side surface of the vehicle structure 2, and the side structure 22 includes the side outer plate 25 that forms the outer surface of the vehicle structure 2. In the railway vehicle 1, the side skin 25 includes a first split skin 311 and a second split skin 321 that are arranged adjacent to each other in the track direction with a predetermined gap G11. , the inner surface 311a on the inner side of the vehicle body structure 2 is provided with a first transverse rib 312 extending in the track direction, and the second split outer plate 321 is provided on the inner surface 321a on the inner side of the vehicle body structure 2 in the track direction. The side structure 22 includes a column member 41 extending along the gap G11. The column member 41 includes the first split skin plate 311 and the second split skin plate 321. from the side of the inner surfaces 311a and 321a (for example, the flat plate member 411), and a connecting portion 412c that connects to at least one of the first horizontal bone 312 and the second horizontal bone 322. do.

According to the railway vehicle 1 described above, the first divided outer plate 311 and the second divided outer plate 321 are separated from the outside of the vehicle structure 2 by the gap G11 between the first divided outer plate 311 and the second divided outer plate 321. Welding can be performed along In this case, the supporting portion (for example, the flat plate member 411) of the column member 41 supports the first divided outer plate 311 and the second divided outer plate 321 from the inner surfaces 311a and 321a. 43B (that is, the portion of the gap G11 between the first split outer plate 311 and the second split outer plate 321) can be supported immediately behind the welded portion 43B. Furthermore, since the coupling portion 412c of the column member 41 is coupled to at least one of the first transverse rib 312 of the first split skin plate 311 and the second transverse rib 322 of the second split skin plate 321, the first transverse rib 312 and the second lateral bone 322 can support the column member 41 via the connecting portion 412c.

As described above, since the column member 41 that supports the welded portion 43B is supported by at least one of the first horizontal rib 312 and the second horizontal rib 322, the welded portion 43B is firmly fixed and welded to the first horizontal rib. It is possible to resist the force that tends to deform the split outer plate 311 and the second split outer plate 321 . That is, deformation of the first split skin plate 311 and the second split skin plate 321 (and thus the side skin plate 25) due to welding can be suppressed, and the appearance of the vehicle body structure 2 can be ensured. It should be noted that the predetermined gap G11 is a gap of a size that enables butt welding when the first divided outer plate 311 and the second divided outer plate 321 are arranged on the same plane, for example. be.

Furthermore, in the railcar 1 of the first embodiment, the connecting portion 412c is formed by the end portions 312b, 322b of at least one of the first lateral rib 312 and the second lateral rib 322 opposite to the inner surfaces 311a, 321a. characterized by being joined to

Further, in the railroad vehicle 1 of the first embodiment, an arrangement space S11 for arranging the column member 41 is provided along the gap G11 between the first lateral rib 312 and the second lateral rib 322. In the arrangement space S11, the column member 41 includes a flat plate member 411 as a support portion positioned so as to cover the gap G11 from the inner side of the vehicle body structure 2, and a first plate member 411 coupled to the flat plate member 411. A flange 412a, and a Z-shaped member including a second flange 412b as a connecting portion 412c projecting from the arrangement space S11 toward the first lateral bone 312 or the second lateral bone 322. .

In order for at least one of the first lateral rib 312 and the second lateral rib 322 to more effectively support the column member 41 via the joint portion 412c of the column member 41, the joint portion 412c should be more rigid than the welded portion 43B. It is desirable to connect to at least one of the first transverse rib 312 and the second transverse rib 322 at a position as far away as possible on the inner side of the vehicle structure 2 . According to the railway vehicle 1 described above, the coupling portion 412c is joined to the end portions 312b, 322b of at least one of the first transverse rib 312 and the second transverse rib 322 opposite to the inner surfaces 311a, 321a. . This is because the coupling portion 412c is located at a position spaced inwardly of the vehicle structure 2 from the welded portion 43B by the thickness of the first horizontal rib 312 or the second horizontal rib 322 in the sleeper direction. and the second transverse bone 322. Therefore, at least one of the first horizontal rib 312 and the second horizontal rib 322 can more effectively support the column member 41 via the connecting portion 412c, and the welding distortion can more reliably cause the first split outside the first split. The plate 311 and the second split outer plate 321 can resist the force that tends to deform them. That is, deformation of the first split skin plate 311 and the second split skin plate 321 (and thus the side skin plate 25) can be suppressed more reliably.

(Regarding the second embodiment)
Next, a second embodiment of the railway vehicle according to the present invention will be described in detail with reference to FIG. FIG. 6 is a diagram for explaining the second embodiment, and is a cross-sectional view corresponding to FIG.

The railcar 1 according to the second embodiment differs from the column member 41 in the first embodiment in the configuration of the column member 51, and the rest of the configuration is the same as the railcar 1 according to the first embodiment. is.

The column member 51 is formed by connecting a flat plate member 511 and a Z-shaped member 512 . The flat plate member 511 is the same member as the flat plate member 411 (see FIGS. 2 and 3) according to the first embodiment, and is joined to the first split skin plate 311 and the second split skin plate 321 by welding. there is Note that the flat plate member 511 may be coupled only to the second split outer plate 321, like the flat plate member 411 according to the first embodiment.

The Z-shaped member 512 is an elongated member extending along the gap G11 and having a Z-shaped cross section made of stainless steel or the like. The Z-shaped member 512 also includes a first flange 512a and a second flange 512b.

Like the first flange 412a (see FIGS. 2 and 3) according to the first embodiment, the first flange 512a is in contact with the end surface of the flat plate member 511 opposite to the first split outer plate 311. , are welded to the plate material 511 .

The second flange 512b is provided parallel to the reinforcing member 42 and in contact with the surface of the reinforcing member 42 on the side of the split outer plates 311 and 321 . An end surface 512d (an example of a second joint portion) of the second flange 512b that contacts the reinforcing member 42 is joined to the reinforcing member 42 by welding. This welding is performed by plug welding or ring welding using through holes 422 provided in the reinforcing member 42 .

A joint portion 512c that protrudes from the arrangement space S11 toward the second lateral bone 322 is provided at the tip of the second flange 512b via a stepped portion 512e. The position of the second flange 512b in the sleeper direction is substantially the same as the end portion 322b of the second lateral rib 322, but the stepped portion 512e makes the connecting portion 512c one step (first step) than the second flange 512b. (about the same as the plate thickness of the 2 lateral bones 322). As a result, as shown in FIG. 6, the coupling portion 512c is inserted into the space between the end portion 322b of the second lateral rib 322 and the second divided outer plate 321. As shown in FIG. The coupling portion 512c is coupled by welding to the surface of the end portion 322b on the second split outer plate 321 side.

Note that the Z-shaped member 512 shown in FIG. 6 may be left-right reversed. That is, in FIG. 6, the first flange 512a extends toward the first lateral bone 312 side (left side in the drawing), and the second flange 512b extends toward the second lateral bone 322 side (right side in the drawing). However, it is assumed that the first flange 512a extends toward the second lateral bone 322 side (right side in the drawing) and the second flange 512b extends toward the first lateral bone 312 side (left side in the drawing). Also good. In this case, the coupling portion 512c provided at the tip of the second flange 512b is inserted into the space between the end portion 312b of the first lateral rib 312 and the first split outer plate 311, and the end portion It is joined to the surface of 312b on the first divided outer plate 311 side by welding (plug welding, laser welding, etc.). Further, in this case, the flat plate member 511 may be coupled to both the inner surface 311a of the first split skin 311 and the inner surface 321a of the second split outer plate 321, or only the inner surface 311a of the first split outer plate 311. It is also possible to combine them.

Next, the process of joining the first block 31 and the second block 32 will be described. The first divided skin plate 311 and the first transverse rib 312 are combined in advance to form the first block 31 , and the second divided outer plate 321 and the second transverse rib 322 are combined to form the second block 32 . Furthermore, in the second block 32, the coupling portion 512c of the column member 51 (Z-shaped member 512) is coupled to the second horizontal rib 322, and the flat plate member 511 of the column member 51 is coupled to the second split outer plate 321. Thus, the column member 51 is connected to the end portion adjacent to the first block 31 .

When connecting the first block 31 and the second block 32 , first, the second block 32 is brought close to the first block 31 from the inner surface 311 a side of the first divided outer plate 311 . Then, so that the flat plate material 511 of the column member 51 is in contact with the inner surface 311a of the first split outer plate 311 and that a gap G11 is formed between the first split outer plate 311 and the second split outer plate 321, Position adjustment of the second block 32 is performed. When adjusting the position of the second block 32, the camber of the side structure 22 is also adjusted.

After the positional adjustment of the second block 32 is completed, the reinforcing member 42 is coupled to the first horizontal rib 312, the second horizontal rib 322, and the end surface 512d of the column member 51 (Z-shaped member 512).

After that, using the gap G11, the first divided outer plate 311 and the second divided outer plate 321 are joined by welding. When this welding is performed, the flat plate material 511 of the column member 51 supports the first divided outer plate 311 and the second divided outer plate 321 from the inner surfaces 311a and 321a. 43B is supported just behind the welded portion 43B. Furthermore, since the connecting portion 512c of the column member 51 (Z-shaped member 512) is connected to the second horizontal rib 322, the second horizontal rib 322 supports the column member 51 via the connecting portion 512c. is in a state of In addition, since the end surface 512d of the column member 51 (Z-shaped member 512) is coupled to the reinforcing member 42, the column member 51 is also supported by the reinforcing member 42.

As described above, since the column member 51 that supports the welded portion 43B is supported by the second lateral ribs 322 and the reinforcing member 42, the welded portion 43B is firmly fixed, and the welding strain causes the first split skin plate 311 to move. and the second split outer plate 321 can resist the force that tends to deform. That is, deformation of the first split skin plate 311 and the second split skin plate 321 due to welding can be suppressed, and the appearance of the vehicle body structure 2 can be ensured.

By completing the coupling between the first split skin plate 311 and the second split skin plate 321, the coupling between the first block 31 and the second block 32 is completed.

When the column member 51 is connected to the reinforcing member 42 as in the above-described second embodiment, the reinforcing member 72 is connected to the first lateral rib 312 like the reinforcing member 72 shown in FIG. , and the end face 512d of the second flange 512b of the Z-shaped member 512. The reinforcing member 72 is connected to the end portion 312b of the first lateral rib 312 by plug welding using a through hole 721, and is connected to the end face 512d of the second flange 512b using a through hole 722 by plug welding or ring welding. Joined by welding. The reinforcing member 72 is not connected to the second transverse bone 322, but is connected to the Z-shaped member 512 which is connected to the second transverse bone 322, thereby sufficiently enhancing the connection between the first block 31 and the second block 32. It can be reinforced.

(Regarding the third embodiment)
Next, a third embodiment of the railway vehicle according to the present invention will be described in detail with reference to FIG. FIG. 8 is a diagram for explaining the third embodiment, and is a cross-sectional view corresponding to FIG.

In the railcar 1 according to the third embodiment, the configurations of the column member 61 and the reinforcing member 62 are different from the column member 41 and the reinforcing member 42 in the first embodiment, and other configurations are the same as those of the first embodiment. It is the same as the railroad vehicle 1 which concerns on a form.

The column member 61 is formed by connecting a flat plate member 611 and a Z-shaped member 612 . The flat plate member 611 is the same member as the flat plate member 411 (see FIGS. 2 and 3) according to the first embodiment, and is joined to the first split outer plate 311 and the second split outer plate 321 by welding. . Note that the flat plate member 611 may be coupled only to the second divided outer plate 321, like the flat plate member 411 according to the first embodiment.

The Z-shaped member 612 is an elongated member extending along the gap G11 and having a Z-shaped cross section made of stainless steel or the like. The Z-shaped member 612 also includes a first flange 612a and a second flange 612b.

The first flange 612a, like the first flange 412a according to the first embodiment (see FIGS. 2 and 3), is in contact with the end surface of the flat plate member 611 opposite to the first split outer plate 311. , are joined to the flat plate material 611 by welding.

The second flange 612b is parallel to the end portion 322b of the second transverse rib 322, and the surface of the second flange 612b facing the second split outer plate 321 is opposite to the second split outer plate 321 side of the end portion 322b. It is provided at a position flush with the side surface. A joint portion 612c that protrudes from the arrangement space S11 toward the second lateral bone 322 is provided at the tip of the second flange 612b. The coupling portion 612c is coupled by welding to the surface of the end portion 322b opposite to the second split outer plate 321 side. An end surface 612 d (an example of a second joint portion) of the joint portion 612 c opposite to the second lateral rib 322 is joined to the reinforcing member 62 .

The reinforcing member 62 has a stepped portion 623 between an end portion 621 on the side of the first lateral bone 312 and an end portion 622 on the side of the second lateral bone 322 . The end portion 621 of the reinforcing member 62 is welded to the end portion 312b of the first lateral rib 312, similarly to the reinforcing member 42 according to the first embodiment. This welding is plug welding or ring welding using the through hole 621a. Then, the end portion 622 of the reinforcing member 62 is overlaid on the connecting portion 612c of the Z-shaped member 612. As shown in FIG. A through hole 622a is provided in the end portion 622, and the end portion 622 of the reinforcing member 62 and the end surface 612d of the connecting portion 612c are coupled by plug welding using the through hole 622a.

Note that the Z-shaped member 612 and the reinforcing member 62 shown in FIG. 8 may be left-right reversed. That is, in FIG. 8, the first flange 612a extends toward the first lateral bone 312 side (left side in the figure), and the second flange 612b extends toward the second lateral bone 322 side (right side in the figure). However, it is assumed that the first flange 612a extends toward the second horizontal bone 322 side (right side in the drawing) and the second flange 612b extends toward the first horizontal bone 312 side (left side in the drawing). Also good. In this case, the connecting portion 612c provided at the tip of the second flange 612b is welded (plug welding, laser welding, etc.). The end portion 621 of the reinforcing member 62 on the side of the first lateral bone 312 is superimposed on and joined to the joint portion 612c joined to the first lateral bone 312, and the end portion 621 on the side of the second lateral bone 322 A portion 622 is joined to the end 322b of the second transverse bone 322 by welding. Further, in this case, the flat plate material 611 may be coupled to both the inner surface 311a of the first split skin 311 and the inner surface 321a of the second split outer plate 321, or only the inner surface 311a of the first split outer plate 311. It may be combined.

Next, the process of joining the first block 31 and the second block 32 will be described. The first divided skin plate 311 and the first transverse rib 312 are combined in advance to form the first block 31 , and the second divided outer plate 321 and the second transverse rib 322 are combined to form the second block 32 . Further, in the second block 32, the coupling portion 612c of the pillar member 61 (Z-shaped member 612) is coupled to the second horizontal rib 322, and the flat plate member 611 of the pillar member 51 is coupled to the second split outer plate 321. Thus, the column member 61 is connected to the end portion adjacent to the first block 31 .

When connecting the first block 31 and the second block 32 , first, the second block 32 is brought close to the first block 31 from the inner surface 311 a side of the first divided outer plate 311 . Then, so that the flat plate material 611 of the column member 61 is in contact with the inner surface 311a of the first split outer plate 311 and that a gap G11 is formed between the first split outer plate 311 and the second split outer plate 321, Position adjustment of the second block 32 is performed. When adjusting the position of the second block 32, the camber of the side structure 22 is also adjusted.

After the positional adjustment of the second block 32 is completed, the reinforcing member 62 is joined to the first horizontal rib 312, the second horizontal rib 322, and the end face 612d of the column member 61 (Z-shaped member 612).

After that, using the gap G11, the first divided outer plate 311 and the second divided outer plate 321 are joined by welding. When this welding is performed, the flat plate material 611 of the column member 61 supports the first divided outer plate 311 and the second divided outer plate 321 from the inner surfaces 311a and 321a, so that the column member 61 is welded at the welded portion 43B. is supported on the back side of the welded portion 43B. Furthermore, since the connecting portion 612c of the pillar member 61 (Z-shaped member 612) is connected to the second horizontal rib 322, the second horizontal rib 322 supports the pillar member 61 via the connecting portion 612c. is in a state of In addition, the column member 61 (Z-shaped member 612) is in a state of being supported by the reinforcing member 62 as well, since the end face 612d is coupled to the reinforcing member 62. As shown in FIG.

As described above, since the column member 61 that supports the welded portion 43B is supported by the second lateral ribs 322 and the reinforcing member 62, the welded portion 43B is firmly fixed, and the welding strain causes the first split skin plate 311 to move. and the second split outer plate 321 can resist the force that tends to deform. That is, deformation of the first split skin plate 311 and the second split skin plate 321 due to welding can be suppressed, and the appearance of the vehicle body structure 2 can be ensured.

By completing the coupling between the first split skin plate 311 and the second split skin plate 321, the coupling between the first block 31 and the second block 32 is completed.

As described above, in the railcar 1 of the second embodiment and the third embodiment, the side structure 22 includes the reinforcing members 42 and 62 that span the first horizontal rib 312 and the second horizontal rib 322. The column members 51 and 61 are characterized in that they are provided with second coupling portions (for example, an end surface 512d and an end surface 612d) that are coupled to the reinforcing members 42 and 62. As shown in FIG.

According to the railway vehicle 1 described above, at least one of the first horizontal rib 312 and the second horizontal rib 322 supports the column members 51 and 61 via the joint portions 512c and 612c, and in addition, the second joint portions (eg, end face 512d, end face 612d) are coupled to the reinforcing members 42, 62 so that the reinforcing members 42, 62 also support the column members 51, 61. FIG. Therefore, it is possible to more reliably resist the force that tends to deform the first split skin plate 311 and the second split skin plate 321 due to welding strain. That is, deformation of the first split skin plate 311 and the second split skin plate 321 (and thus the side skin plate 25) can be suppressed more reliably.

(Regarding the fourth embodiment)
Next, a fourth embodiment of a railway vehicle according to the present invention will be described in detail with reference to FIG. FIG. 9 is a diagram for explaining the fourth embodiment, and is a cross-sectional view corresponding to FIG.

The railway vehicle 1 according to the fourth embodiment differs from the pillar member 41 in the first embodiment in the configuration of the pillar member 71 . Moreover, a member corresponding to the reinforcing member 42 in the first embodiment is not used. Other configurations are the same as those of the railcar 1 according to the first embodiment.

The column member 71 is formed by connecting a hat-shaped member 711 and a channel member 712 . The hat-shaped member 711 is an elongated member extending along the gap G11 and having a hat-shaped cross section made of stainless steel or the like. In addition, the hat-shaped member 711 is provided at a main body portion 711a (an example of a support portion) having a U-shaped cross section and an end portion on the side of the first lateral rib 312 among both end portions of the main body portion 711a in the track direction. It includes a first flange 711b (an example of a connecting portion) and a second flange 711c (an example of a connecting portion) provided at the end on the second lateral bone 322 side.

The body portion 711a is divided into the first division so that the end surface 711d on the side opposite to the open side in the arrangement space S11 covers the gap G11 from the inner side of the vehicle structure 2 (upper side in FIG. 9). The outer plate 311 and the second split outer plate 321 are laid horizontally. Thus, the main body portion 711a supports the first split outer plate 311 and the second split outer plate 321 from the inner surfaces 311a, 321a. The main body portion 711a is joined to the first split skin plate 311 and the second split skin plate 321 by welding while the end surface 711d is in contact with the first split skin plate 311 and the second split skin plate 321 . Note that the main body portion 711 a may be coupled only to the second split outer plate 321 .

The first flange 711b is provided in parallel with the end portion 312b of the first lateral bone 312, and protrudes from the arrangement space S11 toward the first lateral bone 312 side. The first flange 711b is superimposed on the end portion 312b of the first lateral rib 312 from the inner side of the vehicle structure 2 and is joined to the end portion 312b by welding. This welding is performed by plug welding using the through hole 711e provided in the first flange 711b. However, it is not limited to plug welding, and laser welding or the like may be used.

The second flange 711c is provided in parallel with the end portion 322b of the second lateral rib 322, and protrudes from the arrangement space S11 toward the second lateral rib 322 side. The second flange 711c is overlapped with the end portion 322b of the second lateral rib 322 from the inner side of the vehicle structure 2 and is joined to the end portion 322b by welding. This welding is performed by plug welding, laser welding, or the like.

The channel member 712 is a reinforcing member made of stainless steel or the like and having a U-shaped cross section. A plurality of channel members 712 are fixed to the hat-shaped member 711 along the height direction of the vehicle structure 2 . The position where the channel member 712 is fixed to the hat-shaped member 711 is not particularly limited, but for example, it is fixed to the hat-shaped member 711 according to the positions of the horizontal ribs 312 and 322 (see FIG. 3) provided in the height direction. be done.

By fixing the channel material 712 to the hat-shaped member 711, the hat-shaped member 711 is reinforced and has durability against tensile load and compressive load applied from both ends in the track direction (from the lateral ribs 312 and 322). It has Therefore, the column member 71 can also function as the reinforcing member 42 in the first embodiment. In order to reinforce the hat-shaped member 711, it is not always necessary to use the channel member 712, and plate-shaped ribs may be erected.

Next, the process of joining the first block 31 and the second block 32 will be described. The first divided skin plate 311 and the first transverse rib 312 are combined in advance to form the first block 31 , and the second divided outer plate 321 and the second transverse rib 322 are combined to form the second block 32 . Further, in the second block 32, the second horizontal rib 322 is connected to the second flange 711c of the column member 71 (hat-shaped member 711), and the second divided outer plate 321 is connected to the column member 71 (hat-shaped member 711). The column member 71 is connected to the end of the second block 32 on the side adjacent to the first block 31 by connecting the body portion 711 a of the second block 32 .

When connecting the first block 31 and the second block 32 , first, the second block 32 is brought close to the first block 31 from the inner surface 311 a side of the first divided outer plate 311 . Then, the main body portion 711a of the pillar member 71 (hat-shaped member 711) is in contact with the inner surface 311a of the first divided outer plate 311, and the first flange 711b of the pillar member 71 (hat-shaped member 711) is positioned at the first horizontal position. The position of the second block 32 is adjusted so that it contacts the end portion 312b of the bone 312 and a gap G11 is formed between the first split skin plate 311 and the second split skin plate 321 . When adjusting the position of the second block 32, the camber of the side structure 22 is also adjusted.

After the position adjustment of the second block 32 is completed, the first divided outer plate 311 and the second divided outer plate 321 are joined by welding using the gap G11. Thus, the coupling of the first block 31 and the second block 32 is completed. When this welding is performed, the main body portion 711a of the column member 71 (hat-shaped member 711) supports the first split outer plate 311 and the second split outer plate 321 from the inner surfaces 311a and 321a. The member 71 is in a state of supporting the welded portion 43B just behind the welded portion 43B. Furthermore, since the first flange 711b of the pillar member 71 (hat-shaped member 711) is coupled to the first lateral rib 312, and the second flange 711c is coupled to the second lateral rib 322, the first lateral rib 312, the The second lateral rib 322 supports the column member 71 via the first flange 711b and the second flange 711c.

As described above, since the column member 71 that supports the welded portion 43B is supported by the first horizontal ribs 312 and the second horizontal ribs 322, the welded portion 43B is firmly fixed, and the welded portion 43B is outside the first division due to welding strain. The plate 311 and the second split outer plate 321 can resist the force that tends to deform them. That is, deformation of the first split skin plate 311 and the second split skin plate 321 due to welding can be suppressed, and the appearance of the vehicle body structure 2 can be ensured.

As described above, in the railroad vehicle 1 of the fourth embodiment, an arrangement space for arranging the column member 71 is provided along the gap G11 between the first lateral rib 312 and the second lateral rib 322. S11 is provided, the column member 71 has a main body portion 711a as a support portion positioned to cover the gap G11 from the inner side of the vehicle structure 2 in the arrangement space S11, and extends from the main body portion 711a. Then, a first flange 711b as a connecting portion projecting from the placement space S11 toward the first lateral bone 312 side, and a connecting portion extending from the main body portion 711a and projecting from the placement space S11 toward the second lateral bone 322 side. and a second flange 711c of the hat-shaped member 711.

In order for the first transverse rib 312 and the second transverse rib 322 to more effectively support the column member 71 via the joints (the first flange 711b and the second flange 711c) of the column member 71, the joints ( The first flange 711b and the second flange 711c) may be joined to the first transverse rib 312 and the second transverse rib 322 at positions farther inwardly of the vehicle structure 2 than the welded portion 43B as much as possible. desirable. According to the railway vehicle 1 described above, the coupling portions (the first flange 711b and the second flange 711c) are the ends of the first lateral rib 312 and the second lateral rib 322 opposite to the inner surfaces 311a and 321a. 312b and 322b. This is because the connecting portion (first flange 711b and second flange 711c) extends inwardly of the vehicle structure 2 from the welded portion 43B by the thickness of the first horizontal rib 312 and the second horizontal rib 322 in the sleeper direction. It is meant to be connected to the first transverse bone 312 and the second transverse bone 322 at separate locations. Therefore, at least one of the first transverse bone 312 and the second transverse bone 322 can more effectively support the column member 71 via the connecting portion (the first flange 711b and the second flange 711c), It is possible to more reliably resist the force that tends to deform the first split skin plate 311 and the second split skin plate 321 due to welding strain. That is, deformation of the first split skin plate 311 and the second split skin plate 321 (and thus the side skin plate 25) can be suppressed more reliably.

It should be noted that the above-described embodiment is merely an example, and does not limit the present invention in any way. Therefore, the present invention can naturally be improved and modified in various ways without departing from the scope of the invention. For example, the railway vehicle 1 is not limited to a high-class vehicle, and may be a commuter vehicle or the like.

1 railcar 2 vehicle body structure 22 side structure 25 side outer plate 41 column member 311 first split outer plate 311a inner surface 312 first lateral rib 321 second split outer plate 321a inner surface 322 second lateral rib 411 flat plate material (an example of a support part )
412c Joint G11 Gap

Claims (5)

A railway vehicle comprising a side structure forming a side portion of a vehicle structure, the side structure comprising a side outer plate forming an outer surface of the vehicle structure,
The side skin includes a first segmented skin and a second segmented skin which are arranged adjacent to each other in the track direction with a predetermined gap;
The first split skin plate includes a first transverse rib extending in the track direction on the inner surface of the vehicle body structure, and the second split skin plate is provided on the inner surface of the vehicle structure. , a second lateral bone extending in the orbital direction;
the side structure includes a column member extending along the gap;
The column member includes a support portion that supports the first split skin plate and the second split skin plate from the inner surface side, and a joint portion that joins at least one of the first transverse rib and the second transverse rib. and to provide
A railway vehicle characterized by In the railway vehicle according to claim 1,
wherein the connecting portion is joined to an end of at least one of the first transverse bone and the second transverse bone opposite to the inner surface;
A railway vehicle characterized by In the railway vehicle according to claim 2,
An arrangement space for arranging the column member is provided along the gap between the first transverse rib and the second transverse rib;
The column member is
a flat plate member as the support portion positioned in the arrangement space so as to cover the gap from the inner side of the vehicle structure;
a Z-shaped member comprising a first flange coupled to the flat plate member, and a second flange serving as the coupling portion projecting from the arrangement space toward the first lateral bone or the second lateral bone;
consisting of
A railway vehicle characterized by In the railway vehicle according to claim 2,
An arrangement space for arranging the column member is provided along the gap between the first transverse rib and the second transverse rib;
The column member is
a body portion as the support portion positioned in the arrangement space so as to cover the gap from the inner side of the vehicle structure;
a first flange extending from the main body portion and projecting from the arrangement space toward the first lateral bone as the connecting portion;
a second flange extending from the main body portion and projecting from the arrangement space toward the second lateral bone as the connecting portion;
Being a hat-shaped member consisting of
A railway vehicle characterized by In the railway vehicle according to any one of claims 1 to 3,
The side structure includes a reinforcing member that spans the first horizontal bone and the second horizontal bone;
the column member includes a second coupling portion that is coupled to the reinforcing member;
A railway vehicle characterized by

Images