JPH1095335A - Body structure of rolling stock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain improvement of strength by preventing deformation of a body structure, in the body structure of a rolling stock constituted by connecting a plurality of hollow shapes. SOLUTION: A frieze board shape 3 constituting a side structure 40 of a body structure, side shape 4 and a wainscot shape 5 are constituted by a light alloy-made hollow extrusion shape, each shape being connected, the side structure 40 is constituted. In this side structure 40, a side window opening part and a side gate opening part are formed, in the vicinity of these opening parts, astride a plurality of shapes, an inner bone of a side pillar 8 is set up, deformation in a periphery of the opening part of the side structure 40 is prevented, improvement of strength of the structure is attained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a railway vehicle, and more particularly to a structure of a railway vehicle formed by using a light alloy extruded shape.

[0002]

2. Description of the Related Art A conventional technique is disclosed in Japanese Patent Laid-Open No. 2-246.
No. 863 discloses a structure in which a cross section formed in the longitudinal direction of a vehicle and having a hollow cross section is joined to form a structure, and a framed member arranged along the vehicle body circumferential direction and vertically and horizontally assembled with the profile is unnecessary. Is known.

[0003]

The above-mentioned prior art has a structure suitable for a passenger compartment of a train, and does not give sufficient consideration to securing strength at a portion having a relatively large opening such as an entrance. That is, similar to the conventional structure including the outer plate and the bone member, even in a structure in which a plurality of hollow extruded members made of light alloy are joined, out-of-plane deformation, high stress generation, and the like are generated in the vicinity of the entrance opening. I am concerned.

An object of the present invention is to provide a railway vehicle structure which has sufficient strength and is easy to manufacture.

[0005]

An object of the present invention is to provide a hollow cross section comprising a light alloy inner surface, a truss portion, and an outer surface, and having connecting portions along the longitudinal direction at both ends in the width direction of the profile. In the structure of a railway vehicle in which the outer surface of the shaped member is made to match the outer peripheral shape of the structure, and the shaped members are joined to each other in the longitudinal direction at the joint, The side structure is configured by joining a plurality of the shaped members, and an opening that forms an access platform is provided across the plurality of shaped members forming the side structure, and the opening near the opening is provided. This is attained by arranging an inner bone longer than the width of the profile on the inner surface of the plurality of profiles along the height direction of the vehicle body.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a cross-sectional view of the structure in the vehicle width direction. In the figure, a roof profile 1, an eave girder profile 2, a curtain plate profile 3, a side profile 4, a waist plank profile 5, a side beam profile 6,
The underframe member 7 is an extruded member made of a light alloy and has a hollow cross-sectional shape including an inner surface portion, a truss portion, and an outer surface portion. Each of the sections is formed at both ends in the width direction with coupling portions for coupling to other adjacent sections. The connecting portion is formed continuously in the longitudinal direction of the profile itself. The outer surface of each of the profile members is configured to match the outer peripheral shape of the structure. Each of the shaped members forms a structure by joining the respective joint portions continuously in the longitudinal direction of the vehicle.

FIG. 2 is a side view of the structure of a railway vehicle to which the present invention is applied. The side window opening 20 and the side entrance opening 21 are formed by cutting out corresponding portions of the side of the structure, that is, the side plate member 3, the side member 4, and the waist plate member 5 that constitute the side structure 40. The side window opening 20 and the side entrance opening 21 are configured to extend over a plurality of the shaped members. The width dimension and the installation pitch of the side window opening 20 in the vehicle longitudinal direction correspond to the installation position of the stool, and are configured to match the installation pitch. The position in the vehicle longitudinal direction of the side entrance opening 21 is configured at a position where the entrance is arranged. The vehicle body support position 30 is a position where the vehicle body is supported by the bogie, and usually coincides with the position of the pillow of the underframe on which the air spring mounting seat is installed. The side window opening 20 and the side entrance opening 21 are located near the vehicle body support position 30.
Is arranged. The installation position of the side window opening 20 or the side entrance opening 21 is slightly shifted from the vehicle body support position 30, and the opening is not formed directly above the vehicle body support position 30.

In FIG. 1, a side pillar 8 of one example of the inner bone is arranged along the circumferential direction of the vehicle body, that is, along the vertical direction. The side pillar 8 is formed in a shape corresponding to the inner surface shape of each of the curtain plate shape member 3, the side shape member 4, and the waist plate shape member 5 constituting the side structure 40, and has a cross section in the width direction. It has a rectangular or U-shaped cross section. Therefore, the side pillar 8 is joined to the inside surface of each of the sections constituting the side structure. The side beams 8 are provided so as to protrude from the inner surface of the side structure. Further, the mounting position of the side post 8 in the longitudinal direction of the vehicle body is disposed near the side window opening 20 or the side entrance opening 21 on the side near the vehicle body support position 30.

According to such a configuration, the curtain plate member 3, the side member 4, and the waist plate member 5 are connected by the side post 8, so that the side window opening 20 or the side window where the side post 8 is installed is provided. Doorway opening 21
Can be prevented, the cross section of the vehicle body can be maintained, and the rigidity of the vehicle body can be improved. When a passenger whose occupancy exceeds 100% is loaded, a vertical load is applied to the vehicle body, and the side window opening 20 and the side entrance opening 21 are applied.
It is conceivable that the cross section of the vehicle body in the vicinity of is widened in the vehicle body width direction, causing significant out-of-plane deformation. That is, the inner and outer surfaces of the hollow sections of the curtain plate section 3, the side section section 4 and the waist section section section 5 are deformed to the inside or outside of the vehicle with the deformation of the side structure. The deformation of the inner surface and the outer surface of the hollow member can be prevented by installing the side columns 8. The side columns 8 can directly prevent out-of-plane deformation of the inner surface of the hollow member, and the side columns 8 can maintain the interval between the truss portions of the hollow member. Can be prevented. Thereby, the rigidity of the structure can be improved. When the rigidity of the structure is maintained at a predetermined level, the thickness of the inner surface portion, the outer surface portion, and the truss portion of each of the hollow extruded profiles constituting the structure is reduced to reduce the weight of the structure. Can be. further,
In the above embodiment, the number of parts can be reduced, so that the labor and time required for manufacturing can be greatly reduced.

When a partition panel 9 for separating a cabin and an entrance / exit is arranged along the width direction of the vehicle body and attached to the vehicle body, the side pillar 8
Serve as bones on the side surfaces of the partition panel 9, and there is no need to install a separate member corresponding to the support of the partition panel 9, and the number of parts can be reduced. Further, the weight of the structure can be reduced by reducing the size in the width direction of the vehicle body to a size such that the partition panel 9 can be attached.

A second embodiment of the present invention will be described with reference to FIG. FIG. 3 is a sectional view of the structure of a railway vehicle to which the present invention is applied. In FIG. 3, the shape of the longitudinal bone 8 a in one example of the inner bone in the vehicle body circumferential direction is a roof profile 1, an eaves beam profile 2, and a side structure 40 and a roof structure 50.
It is formed in a shape corresponding to the inner surface shape of each hollow profile of the curtain plate profile 3, the side profile profile 4, and the waist profile profile 5. The body width direction, that is, the height dimension of the side structure portion of the vertical bone 8a is:
It extends around the body. The dimension in the vehicle width direction of the structural roof portion of the vertical bone 8a has a length corresponding to the width of the cabin partition entrance.

According to such a configuration, when the partition panel 9 for separating the passenger compartment and the entrance / exit is arranged in the width direction of the vehicle body and attached to the vehicle body, the vertical bones 8a are received by the side and the ceiling of the partition panel 9 respectively. Unit 1 for bones and partition doors
In the case where 1 is arranged and attached in the width direction of the vehicle body, the left and right vertical bones 8a serve as receiving bones of the unit 11, and it is not necessary to separately attach a support member to the structure, thereby reducing the number of parts.

A third embodiment of the present invention will be described with reference to FIG. FIG. 4 is a sectional view of the structure of a railway vehicle to which the present invention is applied. In FIG. 4, the shape of the partition bone 8 b of one example of the inner bone in the circumferential direction of the vehicle body is the roof profile 1 that forms the side structure 40, the roof structure 50, and the underframe 60.
It is formed in a shape corresponding to the inner surface shape of each of the eaves beam member 2, the curtain plate member 3, the side member 4, the waist plate member 5, the side beam member 6, and the underframe member 7. The dimension of the structural part in the vehicle width direction has a predetermined thickness at the center of the vehicle. The partition bone 8
b is a dimension corresponding to the cabin partition entrance / exit width EW in the vehicle body width direction of the structural roof portion and the floor portion. According to such a configuration, when the partition panel 9 that separates the passenger compartment and the entrance / exit is arranged along the width direction of the vehicle body and is attached to the vehicle body, the partition bone 8 is attached to the side portion, the roof side portion, and the floor side portion of the partition panel 9. Since each support is received, there is no need to separately install a support member, and the number of parts can be reduced.

In each of the above embodiments, examples of inner bones include those corresponding to the inner surface of the side structure, those corresponding to the side structure and the roof structure, and those corresponding to the side structure, the roof structure and the underframe. Shape is decided. As an example of the inner bone, a shape corresponding to the side structure and the underframe may be further used.By using the partition bone having such a configuration, it is necessary to separately attach a support member for supporting the partition wall to the structure. Therefore, the number of parts can be reduced. In the case of the partition bone, since the deformation of the side structure can be supported by the underframe, the rigidity of the entire structure can be improved by preventing the deformation of the side structure.

[0015]

According to the present invention, since the out-of-plane deformation of the structure can be prevented, the rigidity of the structure can be improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of a railway vehicle structure to which the present invention is applied.

FIG. 2 is a side view of the railway vehicle structure of FIG. 1;

FIG. 3 is a cross-sectional view showing a second embodiment of the railway vehicle structure to which the present invention is applied.

FIG. 4 is a sectional view showing a third embodiment of the railway vehicle structure to which the present invention is applied.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Roof shape material, 2 ... eave girder shape material, 3 ... curtain plate shape material, 4 ... side shape material 5 ... waist plate shape material, 6 ... side beam shape material, 7 ... underframe shape material, 8 ... inner bone, 9: partition panel, 20: side window opening, 21: side entrance opening, 40: side structure, 50: roof structure, 60: underframe.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seijiro Totori Osamu Higashi Toyoi, Kazamatsu City, Yamaguchi Prefecture, Japan 794 Kasado Plant, Hitachi, Ltd. In the Kasado factory of Hitachi, Ltd. (72) Inventor Takeshi Ken Kawasaki 794, Higashi-Toyoi, Kazamatsu, Yamaguchi Prefecture In the Kasado factory of Hitachi, Ltd.

Claims (4)

[Claims] 1. An extruded profile formed of a light alloy and having an inner surface, a truss portion, and an outer surface, and having a hollow cross-section formed with connecting portions along the longitudinal direction at both ends in the width direction of the profile. ,
An outer surface of the profile is configured to match the outer peripheral shape of the structure, and in a railway vehicle structure in which the profiles are joined to each other in a longitudinal direction at the joint portion, a side structure includes a plurality of the profiles. An opening that forms an access platform is provided across a plurality of the sections constituting the side structure, and is provided on a vehicle interior surface of the plurality of sections near the opening. A structure of a railway vehicle, wherein an inner bone longer than a width of the profile is installed along a height direction of the vehicle body. 2. The structure of a railway vehicle according to claim 1, wherein said roof structure is formed by joining a plurality of said members, and said inner bone is formed so as to correspond to the inner surface shape of said roof structure. A body of a railway vehicle, wherein the inner bones are installed on the inner surface of the side structure and the roof structure. 3. The structure of a railway vehicle according to claim 1, wherein the underframe is formed by joining a plurality of the shape members, and the inner bone is formed so as to correspond to an upper surface shape of the underframe. A body of a railway vehicle, wherein the inner bone is installed on the inner surface of the side structure and underframe. 4. A structure of a railway vehicle comprising a plurality of hollow extruded shapes made of light alloy having a hollow cross-sectional shape arranged along the longitudinal direction of the vehicle body and adjoining each of the extruded shapes. In the roof of the structure, the inner bone formed along the inner surface shape of each extruded profile constituting the side portion and the underframe portion, on the inner surface of the side entrance and exit opening on the vehicle body support position side, A structure of a railway vehicle, which is joined to a plurality of extruded members.