JPH08150930A - Car body in rolling stock - Google Patents

Abstract

PURPOSE: To form a car body as a unit so as to facilitate attachment and detachment by providing a fitting member having first and second mounting rails on an elastic support member disposed on the inside of a car body structure, fitting first and second inside members to the respective mounting rails, and providing sound-proof and heat insulating materials on the sides facing to the structure. CONSTITUTION: An outer plate 24 is disposed on the outside of a car body structure, a first inside member 25 and a second inside member 26 as a floor plate are disposed on the inside. Sound-proof and heat insulating materials 27, 28 are respectively disposed between the outer plate 24 and the interior plates 25, 26 to be formed as a unit. A fitting member 31 is laid along the longitudinal direction of a car body, and has a first trough-like mounting rail 32, the open part of which is upward, and a second mounting rail 33, the open part of which is downward, and the interior plate 25 and the floor plate 26 are disposed in such a manner as to opposite to each other in the vertical direction. A shock mount 34 is formed integrally with the fitting member 31, and a fitting work therefor is easily conducted without a screw.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body of a railway vehicle.

[0002]

2. Description of the Related Art A vehicle body used in a high-speed railway, for example, a linear motor car, has a structure, an outer member arranged outside the structure and attached to the structure, and a structure arranged inside the structure. In this vehicle body structure, a soundproof heat insulating material is arranged between the outer member and the inner member to block heat and sound transmission between the outer and inner parts of the vehicle. Is being done. Further, in this structure of the vehicle body, the inner member is supported by the structure by an elastic member in order to prevent the vibration applied to the structure during traveling of the vehicle from being transmitted to the inner member.

FIG. 3 and FIG. 4 show an example of a vehicle body of a conventional railway vehicle that employs this structure. In FIGS. 3 and 4, reference numeral 1 denotes a structure, which is configured in a lattice shape, for example. 2 is an outer plate which is an example of the outer member,
This is arranged outside the structure 1 and attached to the structure 1. Reference numeral 3 denotes an interior plate which is an example of an inner member, which is arranged inside the structure 1 and constitutes a wall portion inside the vehicle.

Reference numeral 4 denotes a floor plate which is an example of an inner member, which is arranged inside the structure 1 and below the interior plate 3 to form a floor portion inside the vehicle. The portion of the floor plate 4 facing the structure 1 is erected to form an upright portion 4a. The upright portion 4a is located outside the lower portion of the interior plate 3 and overlaps in the vertical direction.

Reference numeral 5 denotes a shock mount, which is formed of a metal plate having elasticity and has a strip shape. A plurality of shock mounts 5 are prepared, and are arranged inside the structure 1 along the upright portions 4a of the floor plate 4 with a space therebetween and fixed to the structure 1, respectively. 4a is in contact. Interior plate 3
Through holes 6 and 7 are formed in a lower portion of the shock absorber 5 and in an upright portion 4a of the floor plate 4 so as to face the shock mount 5, and a screw hole 8 is formed in the shock mount 5.

Then, a plurality of screws 9 are prepared, and these screws 9 are provided from the inside of the interior plate 3 to the through hole 6 of the interior plate 3 and the floor plate 4.
After passing through the through hole 7 of the upright portion 4a of the
It is screwed into the screw hole 8. As a result, the interior plate 3 and the floor plate 4 are attached to the shock mount 5 in a superposed and coupled state and elastically supported by the structure 1. In addition, 10 is a spacing body interposed between the interior plate 3 and the standing portion 4a of the floor plate 4.

Reference numeral 11 denotes a soundproof and heat insulating material, which is arranged between the structure 1 (outer plate 2) and the inner plate 3 and is attached to the inner surface of the outer plate 2 by an adhesive tape 12. Conventionally, in the structure, the soundproof heat insulating material 11 has a large area without a break,
Moreover, in order to arrange it easily, the interior plate 3 which is an inner member
The floor plate 4 and the floor plate 4 are independent of each other and are placed on the structure 1 and are attached to the inner surface of the outer plate 2. Reference numeral 13 is a chair installed on the floor board 4.

[0008]

However, the structure of the car body in such a railway vehicle has the following problems. In this vehicle body structure, when attaching the soundproof heat insulating material 11 and the inner member, first, the soundproof heat insulating material 1
1 is placed on the structure 1 and attached to the inner surface of the outer plate 2,
Next, the interior plate 3 and the floor plate 4 are placed inside the structure 1 and attached to the shock mount 5 with screws 9. When inspecting the structure 1, first, the screw 9 is pulled out from the interior plate 3, the floor plate 4 and the shock mount 5, and the interior plate 3 is removed.
The floor board 4 is removed from the shock mount 5, and then the sound insulation 11 is removed from the outer board 2.

However, when the soundproof heat insulating material 11 and the inner member are attached and detached in this manner, the operation in two steps, that is, the attachment and removal of the soundproof heat insulating material 11 and the attachment and detachment of the inner member must be performed. However, the work is very complicated and time-consuming.

In order to connect the interior plate 3 and the floor plate 4 which are inner members to each other and attach them to the shock mount 5, the interior plate 3 and the floor plate 4 having the screws 9 superposed on each other are passed through and attached to the shock mount 5. Since the heads of the screws 9 project inside the interior plate 3, extra protrusions are present on the surface of the interior of the vehicle body, which is not preferable from the aspect of the appearance of the interior of the vehicle body.

The present invention has been made based on the above-mentioned circumstances, and the inner member and the soundproof and heat insulating material are unitized so that the work of attaching and detaching the inner member and the soundproof and heat insulating material can be facilitated, and a plurality of members can be installed. An object of the present invention is to provide a vehicle body of a railway vehicle that does not damage the appearance of the interior of the vehicle body when the inner members are connected to each other and attached to the elastic member.

[0012]

To achieve the above object, a vehicle body of a railway vehicle according to the present invention comprises a structure, an outer member arranged outside the structure and attached to the structure,
An elastic support member arranged inside the structure and attached to the structure; and an elastic support member arranged inside the structure and supported by the elastic support member and side by side with the first mounting rail and the first mounting rail. A mounting member having a second mounting rail disposed in the opposite direction to the first mounting member and a first inner member disposed inside the structure and fitted and supported by the first mounting rail; A second inner member disposed inside and supported by being fitted to the second mounting rail, and individually attached to side surfaces of the first inner member and the second inner member facing the structure. And a sound-insulating heat insulating material.

[0013]

According to the above construction, in the vehicle body of the railway vehicle of the present invention, the soundproof and heat insulating material is attached to the inner surfaces of the first and second inner members to unitize the inner member and the soundproof and heat insulating material. The member and the soundproof heat insulating material can be attached to and removed from the structure at the same time, and the work of attaching and detaching the inner member and the soundproof heat insulating material to the structure is easy.

Further, the attachment member is attached to the structure through the elastic support member, and the first and second inner members are fitted to the first attachment rail and the second attachment rail formed on the attachment member, respectively. By installing
The work of connecting the first and second inner members combined with the soundproof and heat insulating material to each other and attaching them to the elastic support member can be easily performed without using screws. Therefore, the head of the screw does not project inside the interior plate and damages the appearance of the interior of the vehicle body.

The respective soundproof and heat insulating materials attached to the first and second inner members are spread by the respective positions of the attachment members without being hindered by the screws.
It can be arranged as easily as possible in a large area and easily.

Further, since the mounting member serves to fill the gap between the connecting portions for connecting the first and second inner members combined with the soundproof and heat insulating material, the first and second inner members have a simple structure. It is possible to reliably prevent heat and sound from being transmitted to the inside of the vehicle body through the gap.

[0017]

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

1 and 2 show the structure of a vehicle body in a railway vehicle according to an embodiment of the present invention. In the figure, reference numeral 21 denotes a structure forming a skeleton of a vehicle body, which is formed by combining a plurality of empty metal grid members 22 extending in the front-rear direction of the vehicle body and a plurality of metal grid members 23 extending in the up-down direction of the vehicle body in a grid shape. It is configured.

Reference numeral 24 denotes an outer plate made of metal, which is an example of an outer member, and is arranged outside the structure 21 and attached to the structure 21 by welding or other means. Reference numeral 25 denotes an interior plate made of metal, which is an example of a first inner member, and is arranged inside the structure 21 to form a wall portion inside the vehicle. Reference numeral 26 is a floor plate made of metal, which is an example of the second inner member, and is arranged below the interior plate 3 inside the structure 1 and constitutes a floor portion inside the vehicle body. The drawing shows the standing portion of the floor plate 26.

Reference numeral 27 denotes a soundproof and heat insulating material, which is disposed between the outer plate 24 and the inner plate 25, and the outer plate 2 in the inner plate 25.
It is fixed by, for example, an adhesive tape 29 so as to overlap the side surface facing 4. The soundproof heat insulating material 27 overlaps the side surface of the interior plate 25 in the largest possible area. 28 is a soundproof heat insulating material, which is arranged between the outer plate 24 and the inner plate 25,
5 is overlaid on the side surface facing the outer plate 24 and fixed by, for example, an adhesive tape 30.

As a result, a soundproof and heat insulating material 27 is attached to the interior board 25, and a soundproof and heat insulating material 28 is attached to the floor board 26 to form a unit. Soundproof insulation materials 27, 28
As will be described later, when the interior plate 25 and the floor plate 26 are vertically opposed to each other, an area larger than that of the interior plate 25 and the floor plate 26 is used so as to fill the gap between them.

Reference numeral 31 denotes a mounting member made of metal. The mounting member 31 is a gutter-shaped first mounting rail 32 that extends along the front-rear direction of the vehicle body and has an open portion facing upward, and the first mounting rail 32. There is a gutter-shaped second mounting rail 33 that is positioned directly below and parallel to this, and is oriented so that the open portion faces downward. That is, the first mounting rail 32 and the second mounting rail 33 are formed so as to overlap with each other in the vertical direction, and the open portions are turned upside down. This is because the interior plate 25 and the floor plate 26 are arranged at positions vertically opposed to each other. This mounting member 31 is the structure 2
It is arranged inside 1 along the longitudinal direction of the vehicle body.

Reference numeral 34 denotes a shock mount made of metal, which is an example of an elastic support member. The shock mount 34 is located outside the mounting member 31 and extends along the longitudinal direction of the vehicle body (longitudinal direction of the mounting member 31). It is formed integrally with the mounting member 31. Shock mount 34
Has a portion attached to the structure body 21 and a portion connected to the attachment member 31, and has an elastic force so that the attachment member 31 can be supported with an elastic force. That is, the shock mount 34 is a plurality of those which have been conventionally used as a single body and are continuously integrated. In the portion of the shock mount 34 attached to the structure 21, through holes 35 are formed at respective positions corresponding to the lattice members 22 of the structure 21, for example.

Reference numeral 36 denotes a support for attaching the shock mount 34 to the structure 21, which has a fixing portion 37 for fixing the shock mount 34 to the lattice member 22 of the structure 21, and a screw 38 attached to the fixing portion 37. ing. The support 36 is provided on each lattice member 22 of the structure 21, and the fixing portion 37 is fixed to the lattice member 22 by using, for example, a screw 39.
The screw 28 of each support 35 is inserted into each through hole 34 formed in the shock mount 34. In addition, each support 36
Each through hole 34 of the shock mount 34 in the screw 38 of the
A nut 40 is screwed and fastened to a portion projecting from the inside toward the inside of the structure 21 (the side opposite to the structure 21). As a result, the shock mount 34 and the attachment member 31 are attached to the structure 21.

The edge of the first mounting rail 32 of the mounting member 31 is below the interior plate 25 described above.
And the interior plate 25 is supported by the mounting member 31. The upper edge of the floor plate 26 is fitted to the second mounting rail 33 of the mounting member 31, and the floor plate 2
6 is supported by the mounting member 31. As a result, the interior plate 25 and the floor plate 26 are vertically opposed to each other, and are connected to each other by the mounting member 31 and elastically supported by the structure 21 via the shock mount 34.

When mounting the inner member and the soundproof heat insulating material in the vehicle body constructed as described above, first, the mounting member 31 is arranged, and the shock mount 34 integrated with the mounting member 31 is attached to each lattice member 22 of the structure 21. It is attached to the fixed support 36. Next, interior plate 25
The floor plate 26 is attached to the attachment member 31. This time,
Sound insulation 2 attached to interior plate 25 and floor plate 26
7, 28 are the interior plate 25, the floor plate 26 and the outer plate 2 at the same time.
3 (structure 21).

When the inner member and the sound insulating material are removed to inspect the structure 21, first, the interior plate 25 is used.
The floor plate 26 and the mounting member 31 are removed. At this time, the soundproof heat insulating material 27 attached to the interior plate 25 and the floor plate 26,
28 is an interior plate 25 and a floor plate 26 and an outer plate 23 at the same time.
It is removed from between (structure 21). Next, the attachment member 31 and the shock mount 34 are removed from the respective support members 36 fixed to the structure 21.

According to the above construction, in the vehicle body of the railway vehicle of the present invention, the soundproof and heat insulating material 27 is attached to the interior plate 25 which is the first inner member, and the soundproof and heat insulating material is attached to the floor plate 26 which is the second inner member. Since the material 28 is attached and made into a unit, respectively, the inner member and the soundproof and heat insulating material can be simultaneously attached and detached to and from the structure 21, and the work of attaching and detaching the inner member and the soundproof and heat insulating material to the body 21 is easy. Is. Therefore, when the structure 21 is inspected, the structure 21 is exposed only by removing the inner member, so that the inspection work can be easily performed.

Further, the mounting member 31 is mounted on the structure 21 via the shock mount 34 which is an elastic support member, and the interior plate 25 and the floor plate 26 in which the soundproof and heat insulating materials 27 and 28 are combined are formed on the mounting member 31. By fitting and supporting the mounting rail 32 and the second mounting rail 33 respectively, it is possible to easily connect the plurality of inner members to each other and mount them on the shock mount 34 without using screws. . Therefore, the head of the screw does not project inside the inner member and damages the appearance of the interior of the vehicle body.

The soundproof and heat insulating materials 27 and 28 attached to the interior plate 25 and the floor plate 26 are widened to the position of the attachment member without being disturbed by the screws, so that the area is as wide and seamless as possible and easy. Can be placed at.

Further, the mounting member 31 is a soundproof and heat insulating material 2.
In order to fill the gap in the connecting portion that connects the interior plate 25 and the floor plate 26 that are a combination of 7, 28, heat and sound are transmitted to the inside of the vehicle body through the gap between the interior plate 25 and the floor plate 26 with a simple structure. Can be reliably prevented.

In this embodiment, since the shock mount 34, which is an elastic support member, extends along the rail longitudinal direction of the mounting member 31 and is formed integrally with the mounting member 31, the mounting member 3 is mounted by the shock mount 34.
The entire longitudinal direction of 1 can be reliably supported, and as a result, the interior plate 25 and the floor plate 26 can be more stably and elastically supported by the shock mount 34 with respect to the structure 24. Further, according to this configuration, the number of shock mounts 34 is reduced, and at the same time, the shock mounts 34
The structure of the portion for attaching the attachment member 31 to the attachment member 31 is simplified. The shock mount 34 and the mounting member 31 can be simultaneously molded by a method such as an extrusion molding method, and both can be easily manufactured.

The present invention is not limited to the above-mentioned embodiments, but can be modified in various ways. For example, the structure,
The outer member, the inner member, the elastic member and the attachment member are not limited to the above-mentioned embodiments.

[0034]

As described above, according to the vehicle body of the railway vehicle of the present invention, the inner member and the soundproof heat insulating material are unitized, and the work of attaching and detaching the inner member and the soundproof heat insulating material is easy. In addition, when the plurality of inner members are connected to each other and attached to the elastic member, the appearance of the interior of the vehicle body is not damaged.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a vehicle body of a railway vehicle of the present invention.

FIG. 2 is a perspective view of the same embodiment.

FIG. 3 is an exploded perspective view showing an example of a vehicle body of a conventional railway vehicle.

FIG. 4 is a perspective view of the conventional example.

[Explanation of symbols]

21 ... Body, 24 ... Skin, 25 ...
Interior plate, 26 ... Floor plate, 27 ... Sound insulating heat insulating material, 28 ... Sound insulating heat insulating material, 31 ... Mounting member, 32 ... First mounting rail, 3
3 ... Second mounting rail, 34 ... Shock mount.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kei Takao 10 Oemachi, Minato-ku, Nagoya, Aichi Mitsubishi Heavy Industries, Ltd. Nagoya Aerospace Systems Works

Claims (1)

[Claims] 1. A structure, an outer member arranged outside the structure and attached to the structure, an elastic support member arranged inside the structure and attached to the structure, and arranged inside the structure. And a mounting member supported by the elastic support member and having a first mounting rail and a second mounting rail arranged side by side with and opposite to the first mounting rail, and arranged inside the structure. A first inner member fitted and supported by the first mounting rail and a second inner member arranged inside the structure and fitted and supported by the second mounting rail; And a sound insulating and heat insulating material individually attached to the side surfaces of the first inner member and the second inner member facing the structure, respectively.