JP2000264199A - Structure for rolling stock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for a rolling stock allowing attachment of various end attachments without using any fittings, and hardly requiring linings. SOLUTION: This end structure 1 comprises a plastic structure 2 and a corner post 3 that is an aluminum alloy structure, combined together. The plastic structure 2 has a sandwich structure wherein fiber reinforced plastic layer 2b is integrally provided around a hard foamed plastic core 2a such that the plastic layer 2b covers around the core 2a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for a railway vehicle provided with a wife structure which constitutes an end of a railway vehicle such as a Shinkansen, and more particularly, to a structure for a railway vehicle which is partially or entirely formed of a plastic molding. It is about the structure.

[0002]

2. Description of the Related Art Conventionally, a wrist structure constituting a car end of a railway vehicle is formed of a metal such as an aluminum alloy and has a metal frame. Among them, for the wife structure intended to carry equipment and equipment into the vehicle from the end of the vehicle, an opening slightly larger than the through-hole opening is provided, and a separate metal member that eventually forms the through-hole opening is provided. A method of attaching a through-hole frame made of such a material has been adopted.

More specifically, as shown in FIGS. 5 and 6, for example, a wive structure 102, which is a metal structure having a metal frame 101, is placed on the upper side of an underframe 103 and attached. A substantially rectangular opening 10 is provided at the center of the wife structure 102.
2a is formed, and a column member 104 having a closed cross-sectional structure is formed around the periphery of the opening 102a. A plate-like mounting portion 105 protrudes from the column member 104 toward the inner opening 102a. A screw seat (not shown) is provided at a fixed interval on the mounting portion 105.

A gate-shaped through-passage frame 107 shown in FIG. 7 is provided for a mounting portion 105 at the periphery of the opening 102a so as to form a through-passage 107a. As shown in FIG. 8, the through-passage frame 107 has an inner pillar 108 formed on the outer peripheral edge thereof, and
09 project outward. The mounting portion 109 is fastened and fixed at a screw seat portion by using a stopper 110 including a bolt, a washer, a nut, and the like.

[0005]

However, such a structure has the following problems. (1) Since the wife structure 102 and the side structure on which it is assembled are both metal structures and it is difficult to manufacture them with high accuracy, when the wife structure 102 is assembled on the side structure, their dimensional adjustments must be made. And it has to be done for each vehicle, which is a tedious task. (2) Since the wife structure 102 is a metal structure, the wife structure 1
In the case of attaching various wife attachments to the attachment 02, an attachment metal for attaching them must be provided in advance to the wife structure 102, which complicates the structure. (3) Since the wife structure 102 has a metal frame,
Finally, a lining must be provided to hide it. (4) In order to complete the structure, two steps of assembling the wife structure 102 and the side structure and attaching the through-hole frame 107 to the wife structure 102 are necessary.

SUMMARY OF THE INVENTION An object of the present invention is to provide a railway vehicle structure that can be attached to various wrist-mounted products without providing a mounting metal and requires almost no lining.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, a railway vehicle structure according to the present invention is a railway vehicle structure provided with an end structure constituting a vehicle end of a railway vehicle, wherein an opening is formed. A metal structure provided so as to shield an opening of the metal structure, and a plastic structure having an outer peripheral portion fixed to a peripheral edge of the opening of the metal structure with a stopper. In which a through passage is formed. Here, the through passage may be formed integrally with the plastic structure, or may be formed by fixing the through passage frame with a stopper.

According to the railway vehicle structure of the present invention having the above-described structure, a plastic structure (plastic molded body) used for the vehicle structure is generally formed by using an autoclave molding method or the like. High accuracy,
Lightweight, easy to form curved surface shape and beautiful finish, no lining is required in that part, and common use can be achieved for each vehicle.

Further, since pressure is applied during heating, air bubbles are hardly generated in the plastic structure (plastic molded body), the fatigue strength is excellent, the durability is high, and it can be used for a long time. You. As described above, the plastic structure can be processed with high precision and has a beautiful appearance, but from the viewpoint of strength, it is desirable to form the structure from a fiber-reinforced plastic molded body.

[0010] In addition, when screwing various wives mounting products,
If it is a metal structure, it is necessary to provide a mounting metal for mounting various wives 'fittings, but by using a plastic structure as a strength member, various wives' mountings can be directly made without using mountings. It can be attached by screwing or the like. On the other hand, the outer periphery of the plastic structure is fixed to the periphery of the opening of the metal structure with a stopper so as to shield the opening of the metal structure. This is easily done by using a tool.

According to a second aspect of the present invention, the plastic structure is configured as a sandwich panel in which a hard foamed plastic material as a core material is covered around with a carbon fiber reinforced plastic material layer. The outer peripheral portion and the peripheral portion of the through passage may be formed in a solid thin plate shape by laminating carbon fiber reinforced plastic material layers.

According to the structure for a railway vehicle of the second aspect,
The plastic structure has an outer surface and an inner surface formed of a carbon fiber reinforced plastic material layer and is coated with a hard foamed plastic material as a core material, so that the plastic structure has high breaking strength and high durability.

Further, the rigid foamed plastic material provided as the core material not only exerts the function of increasing the overall strength by being integrated with the carbon fiber reinforced plastic material of the interior and exterior, but also functions as a heat insulating material and a sound insulating material. .

Further, in the plastic structure which is a plastic molded product having a sandwich structure, the plastic material layer on the surface is vulnerable to tension in an out-of-plane direction and easily peels off, but the outer peripheral portion is formed of a carbon fiber reinforced plastic material. The layers are laminated to form a solid thin plate, and the part is fixed with a stopper, so that the rigidity of the part is increased and it is easy to fix with the stopper, And high bond strength. For this reason, even when the plastic structure includes an open portion such as a through-passage and a through-passage frame is provided in that portion, deformation during molding is small and the connection is reliably performed.

Similarly, if the periphery of the through passage is formed into a solid thin plate by laminating a carbon fiber reinforced plastic material layer and the through passage frame is fixed with a stopper at that portion, the same applies. Can be combined. Further, if the through-passage frame is also made of carbon fiber reinforced plastic, it can be integrally formed with the end structure. .

According to a third aspect of the present invention, there is provided a railway vehicle structure having a wrist structure constituting a vehicle end of a railway vehicle, wherein the wives structure comprises an end surface portion constituting a vehicle end, and the end surface. A roof and a side portion extending continuously from the periphery of the portion are integrally formed into a plastic structure, and a door opening is formed on the side surface of the end structure.

According to the third aspect of the present invention, there is provided a railway vehicle structure.
Since the entire wife structure is molded from a plastic material, it can be manufactured with high accuracy by an autoclave molding method or the like, and when the wife structure is assembled to the side structure, adjustment for adjusting the position is not required. Further, since the wife structure forms the end of each vehicle, sharing the wife structure is advantageous in reducing costs.

According to the railway vehicle structure of the fourth aspect,
It is desirable that the door mounted on the door opening is also formed of a plastic material.

According to the railway vehicle structure of the fourth aspect,
In addition to the wife structure, the door attached to it is also made of plastic material, so that the wife structure and the door can be manufactured with high precision, and when assembling the door to the door opening of the wife structure, their positions are determined. There is no need for adjustment to match. In particular, this is an effective means for eliminating the need for adjustment of the door openings of the door and the wife structure formed of curved surfaces. Further, if the position and shape of the door in the wife structure are unified, the wife structure can be shared.

In the structure for a railway vehicle according to the third and fourth aspects, it is desirable to use a fiber-reinforced plastic material from the viewpoint of strength and the like.
Structurally, it is desirable to use a plastic molded body having a sandwich structure, as in the second aspect of the present invention.

[0021]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a railway vehicle structure such as a Shinkansen according to the present invention, FIG. 2 (a) is an enlarged sectional view taken along the line AA of FIG. 1, and FIG. 3 (a) is FIG. It is an expanded sectional view along the BB line.

As shown in FIG. 1, an end structure 1 constituting a car end of a railway vehicle includes a plastic structure 2 which is a plastic molded body having a through passage 2e and an aluminum alloy frame (not shown). It is manufactured by joining the corner pillar 3 which is an aluminum alloy structure.

The corner post 3 is formed in a gate shape having an opening 3b at a vertical portion 3a orthogonal to the longitudinal direction of the vehicle, and the plastic structure 2 is formed so that the vertical portion 3a shields the opening 3b. Is provided. Also,
A flange portion 3c extending in a direction perpendicular to the vertical portion 3a is continuously provided on an outer peripheral edge of the vertical portion 3a, and a front edge portion of the flange portion 3c is slightly depressed, and a rear aluminum alloy side structure 4 is provided. Is a stepped portion 3d to which the edge portion of is attached. As the corner post 3, for example, a structure having a structure in which a reinforcing material made of an aluminum alloy, in which ribs are combined in a grid pattern on the outer surface of an aluminum alloy plate, can be used, is easy to manufacture, Cost reduction is achieved, and by adopting a structure with a reinforcing material integrally, deformation is suppressed even if the thickness of the aluminum alloy plate is reduced to some extent,
The weight can be reduced.

The wife structure 1 is mounted on an underframe 5 under the vehicle body. The underframe 5 includes electrical components and wiring,
Various accessories (not shown) are assembled.

As shown in FIGS. 2 (a) and 3 (a), the plastic structure 2 is a rigid foamed plastic 2a.
(For example, a foamed body of polymethacrylimide) as a core material, and a fiber-reinforced plastic material layer 2b (for example, a carbon fiber-reinforced plastic material layer) integrally provided so as to cover the periphery of the core material. Manufactured. The outer peripheral portion of the plastic structure 2 is
By laminating and integrally curing the fiber reinforced plastic material layers 2b, a solid thin plate-shaped outer mounting flange 2c is formed. Similarly, the inner peripheral edge portion is also formed by laminating the fiber-reinforced plastic material layers 2b and curing them integrally, thereby forming a solid thin plate-like inner mounting flange 2d. The plastic structure 2 (plastic molded body) is integrally molded by, for example, an autoclave molding method.

Here, the fiber reinforced plastic material layer 2b covering the periphery of the hard foamed plastic 2a has a flat surface on one side and a swelling on the other side via the hard foamed plastic 2a at a central portion thereof. It is molded as follows. And it is attached to the corner post 3 so that one surface side of the fiber reinforced plastic material layer 2b is located outside the vehicle,
The bulging part on the other side enters the opening 3 b of the corner post 3. Therefore, as viewed from the outside of the vehicle, it looks as if the flat plastic structure 2 is fixedly attached to the corner post 3, and the appearance is not impaired.

As shown in FIG. 2 (a), the outer mounting flange 2c of the plastic structure 2 is mounted on the outer side of the corner post 3 with bolts 6 and nuts 7 (stops) and is exposed on the outer side of the vehicle. The head of the bolt 6 is covered with a sealing material 8. Further, a sealing material 9 is provided between the edge of the outer mounting flange 2c and the corner post 3 so as not to impair the airtightness of the vehicle interior. The bolt 6
In place of the nut 7 and the nut 7, for example, as shown in FIG. 2B, a structural blind rivet 15 can be used as a stopper.

As shown in FIG. 3A, a through-passage frame 10 having a U-shaped cross section for mounting a hood member (not shown) is provided on the outside of the inner mounting flange 2d of the plastic structure 2 as shown in FIG. , Bolts 11 and nuts 12 (stops). The nut 12 is connected to the through-hole frame 1.
0 is located in the recess 10a. Inner mounting flange 2
A seal member 13 is also provided between the edge of d and the through-passage frame 10 to ensure airtightness in the vehicle interior. In addition, as shown in FIG. 3B, for example, as shown in FIG. 3B, the through-passage frame 10 ′ can be made of plastic and formed integrally with the plastic structure 2 ′ without forming the through-passage frame 10 separately. It is.

As described above, the opening 3b of the corner post 3
It is shielded by the plastic structure 2. Although the wife structure 1 is configured by this configuration, the above-described embodiment has the following advantages.

The corner post 3 which is a metal structure of the plastic structure 2 which is a plastic molded product having a sandwich structure
To the through-passage frame 10 by laminating the fiber-reinforced plastic material layers 2b and hardening them integrally into a solid thin plate, forming the outer and inner mounting flanges 2c and 2d, and bolting them. Is high. Therefore,
There is little deformation at the time of molding, and it can be securely connected.

Since the plastic structure 2 is integrally formed by an autoclave molding method or the like, the dimensional accuracy of the joint surface with the corner post 3 is high. And can be shared for each vehicle. Further, since the surface of the plastic structure 2 is molded neatly, it is possible to omit the lining at that portion.

Although the embodiment of the railway vehicle structure of the present invention has been described above, the present invention is not limited to this, and various modifications can be made as exemplified below. (1) Although the corner post 3 is made of a metal structure and is made of an aluminum alloy, other metal materials can be used. Of course, a carbon fiber reinforced plastic material or a glass fiber reinforced plastic material can be used instead. It is also possible to use the fiber-reinforced plastic structure used.

(2) The fiber reinforced plastic material layer 2b of the plastic structure 2 is made of a carbon fiber reinforced plastic material, but instead of the plastic material reinforced with a high elasticity fiber such as an aromatic polyamide fiber. May be configured.

(3) Furthermore, although the wife structure 1 is constituted by combining the plastic structure 2 and the aluminum alloy structure (corner pillar 3), it is also possible to make the whole wife structure a plastic structure. . In this case, for example, as shown in FIG. 4, the wife structure 21 has a vehicle end and an end surface portion 21 b in which a through passage 21 a is formed, a side surface portion 21 c continuously extending from a peripheral edge of the end surface portion 21 b, and a roof. And a part 21d, which is integrally formed of a carbon fiber reinforced plastic material to make the entirety of the end structure 21 a plastic structure.
1e, and the door 22 provided in the door opening 21e can also be formed of a plastic material (carbon fiber reinforced plastic material). In this way, it is possible to manufacture both the wife structure 21 and the door 22 to be assembled therewith with high accuracy, and it is not necessary to make adjustments in the door assembling which has been conventionally required, and it is expected to improve workability. Can be. Also in this case, the wife structure 21 (plastic structure) is a plastic molded body having a sandwich structure in which a hard foamed plastic is used as a core material and a fiber reinforced plastic material layer is integrally provided so as to cover the periphery. It is desirable that the outer peripheral portion (including the peripheral portion of the through-passage) is formed by laminating a fiber-reinforced plastic material layer and hardening integrally to form a solid thin plate-like mounting flange. Desirable.

[0036]

The present invention is embodied as described above, and has the following effects.

In the railway vehicle structure according to the first aspect, the surface of the plastic structure is molded neatly, so that the lining can be omitted at that portion. Since various fittings can be directly screwed to the plastic structure, a mounting metal for attaching them is not required, and the structure can be simplified.

In particular, since a plastic structure can be integrally molded using a mold by, for example, an autoclave molding method, the dimensional accuracy is high, and if it is manufactured with high accuracy, the joining work with the metal structure can be efficiently performed. It can be performed well and easily, and can be shared for each vehicle. Furthermore, the plastic structure is lightweight, easily formed into a curved shape, has a beautiful finish, is excellent in fatigue strength, is durable, and can be used for a long period of time.

According to the second aspect of the present invention, since the plastic structure is made of a hard foamed plastic material as a core material and the outer and inner surfaces are covered with a carbon fiber reinforced plastic material, the breaking strength is high and the durability is high. Rich in In addition, since the inside is provided with a hard foamed plastic material, it not only exerts an action of increasing the overall strength integrally with the carbon fiber reinforced plastic material of the interior and exterior, but also functions as a heat insulating material and a sound insulating material. Furthermore, since the plastic structure is a plastic molded body having a sandwich structure, the plastic material layer on the surface is weak to pull in the out-of-plane direction and easily peels off, but the outer peripheral portion and the peripheral portion of the through passage are formed of carbon fiber reinforced plastic. Since the material layers are laminated to form a solid thin plate, the rigidity of the part is increased, it is easy to fix with a fastener, and sufficient bonding strength is obtained, so the durability is improved. It is also advantageous in planning.

According to the third aspect of the present invention, since the wrist structure is manufactured from a plastic material, it is possible to manufacture the wrist structure with high accuracy, and it is not necessary to finely adjust the position when assembling the wive structure. In addition, since the wife structure constitutes the end of each vehicle, by sharing the wife structure,
This is also advantageous in reducing costs.

In the railway vehicle structure according to the fourth aspect, since the wife structure and the door to be assembled thereto are manufactured from a plastic material, both can be manufactured with high accuracy, and the door is provided at the door opening of the wife structure. When assembling, there is no need to adjust the positions. Also,
By unifying the position and shape of the door, it is possible to standardize the wife structure.

[Brief description of the drawings]

FIG. 1 is a front view of a structure for a railway vehicle such as a Shinkansen according to the present invention.

FIG. 2A is an enlarged sectional view taken along line AA of FIG. 1;
FIG. 2B is a view similar to FIG.

FIG. 3A is an enlarged sectional view taken along line BB of FIG. 1;
FIG. 3B is a view similar to FIG.

FIG. 4 is a perspective view showing a modification.

FIG. 5 is a front view of a conventional wife structure.

FIG. 6 is a sectional view taken along the line CC of FIG. 5;

FIG. 7 is a front view of a conventional through-passage frame.

FIG. 8 is a sectional view taken along the line DD of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wife structure 2 Plastic structure 2a Hard foamed plastic 2b Fiber reinforced plastic material layer 2c Outer mounting flange 2d Inner mounting flange 2e Penetration path 3 Corner post 3b Opening 4 Side structure 5 Underframe 6 Bolt 7 Nut 10 Penetration path frame 21 Wife structure 21a Penetration path 21b End face 21c Side face 21d Roof 21e Door opening 22 Door

[Procedure amendment]

[Submission date] February 22, 2000 (200.2.2
2)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007]

In order to achieve the above object, a railway vehicle structure according to the present invention is a railway vehicle structure provided with a wive structure constituting a vehicle end of a railway vehicle, wherein the wive structure is provided.
The body has an opening in a vertical section perpendicular to the longitudinal direction of the vehicle.
Formed on the outer periphery of the vertical portion.
A flange portion extending in a direction perpendicular to the straight portion is continuously provided,
The front edge of the flange is attached to the edge of the side structure
A metal structure provided to shield an opening of the metal structure, and a plastic structure having an outer peripheral portion fixed to a peripheral edge of the opening of the metal structure with a stopper. In which a through passage is formed. Here, the through passage may be formed integrally with the plastic structure, or may be formed by fixing the through passage frame with a stopper.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

According to a third aspect of the present invention, there is provided a railway vehicle structure having a wrist structure constituting a vehicle end of a railway vehicle, wherein the wive structure forms a vehicle end and has a through-passage.
An end surface portion, a side surface portion and a roof portion continuously extending from the periphery of the end surface portion, and they are integrally molded to form a plastic structure, and a door opening portion is formed on a side surface portion of the end structure. Are formed.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Seiji Matsuda 2-12-14 Wadayama-dori, Hyogo-ku, Kobe-shi, Hyogo Prefecture Kawageshi Vehicle Engineering Co., Ltd.

Claims (4)

[Claims] 1. A railway vehicle structure having a wrist structure constituting a vehicle end of a railway vehicle, wherein the wrist structure is configured to shield a metal structure having an opening and an opening of the metal structure. A plastic structure whose outer peripheral portion is fixed to a peripheral edge of the opening of the metal structure with a stopper, and wherein a through-path is formed in the plastic structure. Structure. 2. The plastic structure is configured as a sandwich panel in which a hard foamed plastic material as a core material is covered around with a carbon fiber reinforced plastic material layer, and an outer peripheral portion and a through passage of the plastic structure are provided. 2. The railway vehicle structure according to claim 1, wherein the peripheral portion of the vehicle body is formed by laminating carbon fiber reinforced plastic material layers to form a solid thin plate. 3. A railway vehicle structure including a wrist structure constituting a vehicle end of a railway vehicle, wherein the wives structure has an end surface portion constituting a vehicle end and a side surface continuously extending from a peripheral edge of the end surface portion. A structure for a railway vehicle, comprising a part and a roof part, which are integrally formed into a plastic structure, and a door opening is formed in a side surface part of the end structure. 4. The railway vehicle structure according to claim 3, wherein the door attached to the door opening is formed of a plastic material.