JP2006281837A - Railroad vehicle body structure - Google Patents

Railroad vehicle body structure Download PDF

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JP2006281837A
JP2006281837A JP2005100980A JP2005100980A JP2006281837A JP 2006281837 A JP2006281837 A JP 2006281837A JP 2005100980 A JP2005100980 A JP 2005100980A JP 2005100980 A JP2005100980 A JP 2005100980A JP 2006281837 A JP2006281837 A JP 2006281837A
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outer plate
aluminum alloy
vehicle body
stainless steel
body structure
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JP4464306B2 (en
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Yasushi Ujita
寧 宇治田
Eiichi Maehashi
栄一 前橋
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Railway Technical Research Institute
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

<P>PROBLEM TO BE SOLVED: To decrease damages of collision contact with dropping articles due to an earthquake and the like, a structure due to derailing and the like, and an oncoming car, while keeping its light weight property, in a railroad vehicle body structure having a structure made from aluminum alloy. <P>SOLUTION: When a railroad vehicle body structure has a structure made from aluminum ally (a base frame 2, a side structure 3, an end structure 4, or a roof structure 5), a metallic tube material (a stainless steel waist outer plate 6, an end outer plate 7, or a roof ) having strength and a melting point higher than that of the aluminum alloy is provided. Even if an outer surface of the structure is collided and contacted with the dropping articles due to the earthquake and the like, the structure due to derailing, and the oncoming car, collision contact damage mainly penetrating, or opening and deformation due to a melting loss by friction heat is suppressed by the metallic outer plate. The expansion of the damage due to the collision contact can be suppressed while giving full play to the light weight property which the double skin structure made from the aluminum alloy has. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、鉄道車両、特に新幹線などの高速鉄道車両の車体構造に関する。   The present invention relates to a vehicle body structure of a railway vehicle, particularly a high-speed railway vehicle such as a Shinkansen.

従来、鉄道車両、特に新幹線などの高速鉄道車両の構体では、その軽量化を図るために、比剛性（剛性／密度）、比強度（強度／密度）の大きい材料、構造の採用、開発が進められてきた。軽量化された構体としては、アルミニウム合金を用いた、中空押出し形材によるダブルスキン構造や空隙を有する材を用いたハニカム構造などがある。さらに、台枠をステンレス鋼製とし、上部構体をアルミニウム合金製としたハイブリッド構体なども開発されている（例えば、非特許文献１参照。）。
松岡茂樹、「新しい車両構体の開発」、電気車の科学、電気車研究会、１９９２年１２月、第４５巻、第１２号 Conventionally, in order to reduce the weight of railway vehicles, especially high-speed railway vehicles such as Shinkansen, the adoption and development of materials and structures with high specific rigidity (rigidity / density) and specific strength (strength / density) have been promoted. Has been. As a light weight structure, there are a double skin structure using a hollow extruded shape member using an aluminum alloy, a honeycomb structure using a material having voids, and the like. Furthermore, a hybrid structure or the like in which the frame is made of stainless steel and the upper structure is made of an aluminum alloy has been developed (for example, see Non-Patent Document 1).
Shigeki Matsuoka, “Development of New Vehicle Structures”, Electric Vehicle Science, Electric Vehicle Study Group, December 1992, Volume 45, Issue 12

ところで、鉄道車両は、地震等により落下してくるトンネル内壁片や飛来物や倒壊建物等と、又は脱線等によりトンネル、高架構造物、ホーム端若しくは対向車などと衝突、接触する可能性がある。しかし、構体の材料であるアルミニウム合金は、普通鋼やステンレス鋼に比較して強度および融点が低いものである。そのため、アルミニウム合金を用いた車体構造では、通常その安全性は確保されているが、新幹線等の高速走行においてはそれらの衝突接触の被害、主に貫通や、摩擦熱による溶融遺失に起因する開口、変形の被害が拡大するおそれがある。   By the way, there is a possibility that the railway vehicle collides with and touches a tunnel, an elevated structure, a platform end, an oncoming vehicle, or the like due to a derailment or the like due to a tunnel inner wall piece, a flying object or a collapsed building falling due to an earthquake or the like. . However, the aluminum alloy, which is the material of the structure, has a lower strength and melting point than ordinary steel and stainless steel. For this reason, the safety of a vehicle body structure using an aluminum alloy is usually ensured, but in high-speed running such as Shinkansen, the opening caused by collision damage, mainly penetration and melting loss due to frictional heat. There is a risk that the damage of the deformation will spread.

本発明の課題は、アルミニウム合金製の構体を有する鉄道車両の車体構造において、その軽量性を活かしつつ、地震等による落下物や、脱線等による構造物、対向車との衝突接触被害を軽減することである。   An object of the present invention is to reduce the damage caused by collisions with an oncoming vehicle, a fallen object due to an earthquake, a structure due to derailment, etc., while making use of its light weight in a vehicle body structure of a railway vehicle having an aluminum alloy structure. That is.

以上の課題を解決するため、請求項１に記載の発明は、例えば図１に示すように、アルミニウム合金製の構体（台枠２、側構体３、妻構体４または屋根構体５）を有する鉄道車両の車体構造であって、前記構体の外面にアルミニウム合金よりも強度および融点の高い金属製外板（ステンレス鋼製腰外板６、妻外板７または屋根外板８）が設けられていることを特徴とする。   In order to solve the above problems, the invention according to claim 1 is a railway having an aluminum alloy structure (base frame 2, side structure 3, wife structure 4, or roof structure 5) as shown in FIG. 1, for example. In the vehicle body structure of a vehicle, a metal outer plate (stainless steel waist outer plate 6, wife outer plate 7 or roof outer plate 8) having higher strength and melting point than aluminum alloy is provided on the outer surface of the structure. It is characterized by that.

ここで、アルミニウム合金よりも強度および融点の高い金属製外板としては、普通鋼製、ステンレス鋼製、チタン合金製などの外板が挙げられる。   Here, examples of the metal outer plate having higher strength and melting point than the aluminum alloy include outer plates made of ordinary steel, stainless steel, titanium alloy, and the like.

このように、アルミニウム合金よりも強度および融点の高い金属製外板を、アルミニウム合金製の構体の外面に設ける。構体の外面が、地震等による落下物や、脱線等による構造物、対向車に衝突接触されても、この金属製外板により、それらの衝突接触被害、主に貫通や、摩擦熱により溶融遺失に起因する開口、変形を生じにくい。また、通常の運行時に必要な車体の強度自体は構体で持たせるため、金属製外板には大きな肉厚は必要としない。したがって、アルミニウム合金製の構体が有する軽量特性を発揮させつつ、それらの衝突接触による被害の拡大を抑えることができる。   In this way, a metal outer plate having higher strength and melting point than the aluminum alloy is provided on the outer surface of the aluminum alloy structure. Even if the outer surface of the structure collides with a fallen object such as an earthquake, a structure due to derailment, or an oncoming vehicle, this metal outer plate will cause the collision contact damage, mainly penetration or melting and loss due to frictional heat. Opening and deformation due to Moreover, since the strength of the vehicle body necessary for normal operation is given to the structure, the metal outer plate does not require a large thickness. Therefore, it is possible to suppress the spread of damage due to the collision contact while exhibiting the light weight characteristics of the aluminum alloy structure.

請求項２に記載の発明は、例えば図１に示すように、請求項１に記載の鉄道車両の車体構造において、前記金属製外板は、ステンレス鋼製外板（ステンレス鋼製腰外板６、妻外板７または屋根外板８）であることを特徴とする。   According to a second aspect of the present invention, for example, as shown in FIG. 1, in the vehicle body structure of the railway vehicle according to the first aspect, the metal outer plate is a stainless steel outer plate (stainless steel waist outer plate 6). , A wife skin 7 or a roof skin 8).

このように、金属製外板を、ステンレス鋼製外板とすることにより、他の材料に比べ、耐食性に優れ、かつ安価なものとすることができる。   Thus, by using a metal outer plate as a stainless steel outer plate, it can be excellent in corrosion resistance and inexpensive compared to other materials.

請求項３に記載の発明は、例えば図２に示すように、請求項１または２に記載の鉄道車両の車体構造において、前記構体（３，４）が交差する交差部に、アルミニウム合金製の柱材９ａまたは梁材の表面の一部にその軸方向にわたって前記金属製外板と材質が同じである板材９ｂをはり付けた補強部材９が配されており、交差する前記構体が前記補強部材９の前記柱材９ａまたは梁材に溶接され、この交差する構体に設けられて交差する前記外板が前記補強部材９の板材９ｂに溶接されていることを特徴とする。   According to a third aspect of the present invention, for example, as shown in FIG. 2, in the vehicle body structure of the railway vehicle according to the first or second aspect, an aluminum alloy is formed at an intersection where the structures (3, 4) intersect. A reinforcing member 9 is disposed on a part of the surface of the column member 9a or the beam member by attaching a plate member 9b having the same material as that of the metal outer plate in the axial direction, and the crossing structure is the reinforcing member. The columnar members 9a or beam members 9 are welded to each other, and the intersecting outer plates provided on the intersecting structures are welded to the plate member 9b of the reinforcing member 9.

このように、構体（３，４）が交差する交差部に、補強部材９が配されている。そして、補強部材９の柱材９ａまたは梁材の表面の一部には、その軸方向にわたって板材９ｂがはり付けられている。交差するアルミニウム合金製の構体を補強部材９のアルミニウム合金製の柱材９ａまたは梁材に溶接し、交差する金属製外板を補強部材９の金属製外板と同じ材質の板材９ｂに溶接することにより、構体どうしを結合して構体結合部１０を形成する。よって、この構体結合部１０が衝突接触されても、金属製外板がその端部からはがされにくくなる。   Thus, the reinforcing member 9 is arranged at the intersection where the structures (3, 4) intersect. A plate member 9b is attached to a part of the surface of the column member 9a or the beam member of the reinforcing member 9 in the axial direction. The intersecting aluminum alloy structure is welded to the aluminum alloy pillar 9a or beam of the reinforcing member 9, and the intersecting metal outer plate is welded to the same material 9b as the metal outer plate of the reinforcing member 9. As a result, the structures are joined together to form the structure coupling portion 10. Therefore, even if this structure coupling | bond part 10 collides and contacts, it becomes difficult to peel a metal outer plate from the edge part.

本発明によれば、アルミニウム合金製の構体を有する鉄道車両の車体構造において、その構体の外面にアルミニウム合金よりも強度および融点の高い金属製外板が設けられている。これにより、構体の軽量性を活かしつつ、地震等による落下物や、脱線等による構造物、対向車との衝突接触被害の軽減が可能である。   According to the present invention, in a vehicle body structure of a railway vehicle having an aluminum alloy structure, the outer surface of the structure is provided with a metal outer plate having higher strength and melting point than the aluminum alloy. As a result, it is possible to reduce the damage caused by collisions with falling objects due to earthquakes, structures due to derailment, and oncoming vehicles while utilizing the light weight of the structure.

また、金属製外板としてステンレス鋼製外板を用いれば、耐食性に優れ、かつ安価であるという利点がある。さらに、構体が交差する交差部に、アルミニウム合金製の柱材または梁材の表面の一部にその軸方向にわたって金属製外板と材質が同じである板材をはり付けた補強部材を配し、補強部材の柱材または梁材に交差する構体を溶接し、補強部材の板材に交差する構体に設けられている交差する外板を溶接して構体どうしを結合して構体結合部を形成すれば、構体結合部が衝突接触されても、金属製外板がその端部からはがされにくくできる。   Further, when a stainless steel outer plate is used as the metal outer plate, there is an advantage that it is excellent in corrosion resistance and is inexpensive. Furthermore, at the intersection where the structure intersects, a reinforcing member in which a plate material that is the same material as the metal outer plate is attached to a part of the surface of the column material or beam material made of aluminum alloy over its axial direction, Welding structures that intersect the column members or beam members of the reinforcing members, and welding the intersecting outer plates provided on the structures intersecting the plate members of the reinforcing members to join the structures together to form a structure coupling part Even if the structure coupling portion is brought into collision contact, the metal outer plate can be hardly peeled off from the end portion.

以下、図を参照して本発明を実施するための最良の形態を詳細に説明する。
図１に示すように、本実施の形態に係る鉄道車両は、新幹線などの高速鉄道車両である。その車体構造１は、台枠２、側構体３、妻構体４及び屋根構体５から構成されている。これらの構体は、例えばアルミニウム合金製のダブルスキン材を接合してなるダブルスキン構造である。 Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the railway vehicle according to the present embodiment is a high-speed railway vehicle such as a Shinkansen. The vehicle body structure 1 includes a frame 2, a side structure 3, a wife structure 4, and a roof structure 5. These structures have a double skin structure formed by joining, for example, an aluminum alloy double skin material.

ここで、アルミニウム合金製の構体は、普通鋼製等の構体に比較して地震等による落下物や、脱線等による構造物、対向車との衝突接触による被害、主に貫通や、摩擦熱により溶融遺失に起因する開口、変形などの被害を受けやすい。本実施の形態の車体構造は、アルミニウム合金製の構体の長所である軽量特性を損なうことなく、この被害の拡大を防ぐために耐貫通性、耐摩擦熱性を得ようとするものである。   Here, the structure made of aluminum alloy is compared to the structure made of ordinary steel, etc. due to falling objects due to earthquakes, structures due to derailment, damage caused by collision contact with oncoming vehicles, mainly through penetration and frictional heat. Susceptible to damage such as opening and deformation due to lost melt. The vehicle body structure of the present embodiment is intended to obtain penetration resistance and frictional heat resistance in order to prevent the damage from spreading without impairing the light weight characteristic that is an advantage of the aluminum alloy structure.

そこで、そのアルミニウム合金製の構体の外面に、ステンレス鋼製外板を設けている。詳しくは、側構体３の腰部、妻構体４、屋根構体５に、それぞれステンレス鋼製腰外板６、ステンレス鋼製妻外板７、ステンレス鋼製屋根外板８を設けている。構体の外面にステンレス鋼製外板を設ける方法としては、構体の外面に接着剤により貼り付けることが考えられる。接着剤は、例えばエポキシ接着剤などの強力接着剤である。なお、車体の強度自体は構体で持たせるため、ステンレス鋼製外板には大きな肉厚は必要としない。   Therefore, a stainless steel outer plate is provided on the outer surface of the aluminum alloy structure. In detail, the waist part of the side structure 3, the wife structure 4, and the roof structure 5 are provided with a stainless steel waist skin 6, a stainless steel wife skin 7, and a stainless steel roof skin 8, respectively. As a method of providing a stainless steel outer plate on the outer surface of the structure, it can be considered that the outer surface of the structure is pasted with an adhesive. The adhesive is a strong adhesive such as an epoxy adhesive. Since the strength of the vehicle body itself is given by the structure, the stainless steel outer plate does not require a large thickness.

ステンレス鋼は、周知のとおり、アルミニウム合金よりも強度（圧縮強度，曲げ強度，耐衝撃性などの機械的強度）および融点が高い金属である。このような性質を有するステンレス鋼製外板を、アルミニウム合金製の構体の外面に設けることにより、構体の外面が、地震等による落下物や、脱線等による構造物、対向車に衝突接触されても、この金属製外板により、それらの衝突接触被害、主に貫通や、摩擦熱により溶融遺失に起因する開口、変形を生じにくい。したがって、アルミニウム合金製の構体が有する軽量特性を発揮させつつ、それらの衝突接触による被害の拡大を抑えることができる。また、他の材料に比べ、耐食性に優れ、かつ安価なものである。   As is well known, stainless steel is a metal having higher strength (mechanical strength such as compressive strength, bending strength, impact resistance) and melting point than aluminum alloy. By providing a stainless steel outer plate having such properties on the outer surface of an aluminum alloy structure, the outer surface of the structure is brought into contact with a falling object due to an earthquake, a structure due to derailment, or an oncoming vehicle. However, this metal outer plate is less likely to cause collision damage, mainly penetration, opening due to melting loss due to frictional heat, and deformation. Therefore, it is possible to suppress the spread of damage due to the collision contact while exhibiting the light weight characteristics of the aluminum alloy structure. Moreover, it is excellent in corrosion resistance and inexpensive compared to other materials.

また、ステンレス外板の外面に、例えば車両の長手方向に延びる突条部をその長手方向と直角方向に並設して設けて、衝突接触による被害の拡大を抑えるようにしてもよい。また、ステンレス屋根外板を設ければ、その耐火性により、屋根構体５の上方にある架線が垂れ下がり熱源となっても、車両火災を防止することができる。また、ステンレス鋼製屋根外板８を接着剤により貼り付ければ、絶縁性を持たせることもできる。   Further, for example, protrusions extending in the longitudinal direction of the vehicle may be provided in parallel on the outer surface of the stainless steel outer plate in a direction perpendicular to the longitudinal direction so as to suppress the spread of damage due to the collision contact. In addition, if a stainless steel roof outer plate is provided, the fire resistance can prevent a vehicle fire even if an overhead wire above the roof structure 5 hangs down and becomes a heat source. Moreover, if the stainless steel roof outer plate 8 is attached with an adhesive, the insulating property can be provided.

なお、ステンレス鋼製外板は、鉄道車両の構体において、衝突接触の可能性がある範囲に設けられていればよい。また、衝突接触の可能性がある範囲とは、例えば、部分的にアルミニウム合金以外の普通鋼、ステンレス鋼製で作製されている場合にはその部分を除いたもののうち、窓、ドア、台車、空調設備、動力装置、パンタグラフなどが取り付けられている範囲以外のものである。   In addition, the stainless steel outer plate should just be provided in the range with the possibility of a collision contact in the structure of a railway vehicle. In addition, the range where there is a possibility of collision contact is, for example, a window, a door, a trolley, It is other than the range where the air conditioning equipment, power unit, pantograph, etc. are attached.

次に、アルミニウム合金製の構体が交差する交差部に、例えば図２（ａ）から（ｃ）に示すように、側構体３と妻構体４と、屋根構体５と妻構体４との交差部に、アルミニウム合金製の柱材９ａまたは梁材（図示せず）の表面の一部にその軸方向にわたって前記金属製外板と材質が同じである板材９ｂをはり付けた補強部材９を配する。   Next, at the intersection where the aluminum alloy structure intersects, for example, as shown in FIGS. 2A to 2C, the intersection of the side structure 3 and the wife structure 4, and the roof structure 5 and the wife structure 4. Further, a reinforcing member 9 in which a plate material 9b made of the same material as that of the metal outer plate is attached to a part of the surface of an aluminum alloy column material 9a or a beam material (not shown) is provided. .

この補強部材９は、図２（ｅ）に示すように、爆発圧着法などによりアルミニウム合金とステンレス鋼とをはり合わせたクラッド材を用いている。補強部材９の製作は、幅の大きなアルミニウム合金製の板材（９ｂ）と、幅の小さなステンレス鋼製の板材（９ｂ）とをはり合わせたクラッド材を、アルミニウム合金製の板材（９ｂ）の断面が円形となるように加工してその端部どうしを溶接して行っている。   As shown in FIG. 2 (e), the reinforcing member 9 uses a clad material in which an aluminum alloy and stainless steel are bonded together by an explosive pressure bonding method or the like. The reinforcing member 9 is manufactured by using a clad material obtained by laminating a wide aluminum alloy plate (9b) and a small stainless steel plate (9b) as a cross section of the aluminum alloy plate (9b). Is processed into a circular shape and the ends are welded together.

そして、補強部材９を車体構造１に組み入れる際に、交差する構体が補強部材９の柱材９ａに溶接され、この交差する構体に設けられて交差する外板が補強部材９の板材９ｂに溶接され、構体どうしを結合して構体結合部１０が形成される。これにより、構体結合部１０が衝突接触されても、金属製外板が補強部材９の板材９ｂに溶接され、補強部材９によって補強されているため、その端部からはがされにくくなっている。   When the reinforcing member 9 is incorporated into the vehicle body structure 1, the intersecting structure is welded to the column member 9 a of the reinforcing member 9, and the intersecting outer plate is welded to the plate member 9 b of the reinforcing member 9. Then, the structures are joined together to form the structure coupling portion 10. Thereby, even if the structure coupling | bond part 10 collides and contacts, since the metal outer plate is welded to the board | plate material 9b of the reinforcement member 9, and is reinforced with the reinforcement member 9, it is hard to be peeled off from the edge part. .

また、編成列車が、地震時において線路近辺からの崩落した土砂、岩石、地上構造物に前方から衝突した場合、編成の各車両が進行方向と向きが変わる編成座屈を起こして脱線、転覆する大事故となるおそれがある。そこで、図３に示すように、車両の両端部のデッキ、便所等のスペースをクラッシャブルゾーン１１とする。衝突時にクラッシャブルゾーン１１のみが破壊され、衝突エネルギーを吸収することにより、編成座屈させることなく編成としての健全を確保して、客室空間を保護する。このとき、前述したステンレス鋼製外板または補強部材９は、このクラッシャブルゾーンが破壊されることを妨げるものではない。   In addition, when a train train collides from the front with collapsed sediment, rocks, or ground structures from the vicinity of the track during an earthquake, each train in the train undergoes a buckling that changes its direction and direction and derails and overturns. There is a risk of a major accident. Therefore, as shown in FIG. 3, spaces such as decks and toilets at both ends of the vehicle are defined as a crushable zone 11. Only the crushable zone 11 is destroyed at the time of collision, and by absorbing the collision energy, the knitting is secured without buckling, and the cabin space is protected. At this time, the stainless steel outer plate or the reinforcing member 9 described above does not prevent the crushable zone from being destroyed.

なお、以上の実施の形態においては、構体をダブルスキン構造のものとしたが、本発明はこれに限定されるものではなく、ハニカム構造、骨組み構造のものであっても良い。また、金属製外板は、適宜分割可能であり、その形状、配置等も任意であり、その他、具体的な細部構造等についても適宜に変更可能であることは勿論である。   In the above embodiment, the structure has a double skin structure, but the present invention is not limited to this, and may have a honeycomb structure or a frame structure. Further, the metal outer plate can be appropriately divided, the shape, the arrangement, and the like are arbitrary, and it is needless to say that the specific detailed structure can be appropriately changed.

本発明を適用した一実施の形態の鉄道車両の車体構造の構成を示す斜視図である。It is a perspective view which shows the structure of the vehicle body structure of the railway vehicle of one Embodiment to which this invention is applied. 構体の交差部に配した補強部材を説明するための図であり、（ａ）は車両の正面図、（ｂ）は側面図、（ｃ）は水平断面図、（ｄ）は構体結合部の部分拡大断面図、（ｅ）は補強部材の加工を説明するための断面図である。It is a figure for demonstrating the reinforcement member distribute | arranged to the cross | intersection part of a structure, (a) is a front view of a vehicle, (b) is a side view, (c) is a horizontal sectional view, (d) is a structure coupling | bond part. Partial expanded sectional drawing, (e) is sectional drawing for demonstrating the process of a reinforcement member. 編成列車のクラッシャブルゾーンを衝突前と後の状態で説明するための図である。It is a figure for demonstrating the crushable zone of a formation train in the state before and after a collision.

符号の説明Explanation of symbols

１ 鉄道車両の車体構造
２ 台枠（構体）
３ 側構体
４ 妻構体
５ 屋根構体
６ ステンレス鋼製腰外板
７ ステンレス鋼製妻外板
８ ステンレス鋼製屋根外板
９ 補強部材
９ａ 柱材
９ｂ 板材
１０ 構体結合部 1 Railcar body structure 2 Underframe (structure)
3 Side structure 4 Wife structure 5 Roof structure 6 Stainless steel waist skin 7 Stainless steel wife skin 8 Stainless steel roof skin 9 Reinforcement member 9a Column material 9b Plate material 10 Structure joint

Claims (3)

アルミニウム合金製の構体を有する鉄道車両の車体構造であって、
前記構体の外面にアルミニウム合金よりも強度および融点の高い金属製外板が設けられていることを特徴とする鉄道車両の車体構造。 A vehicle body structure of a railway vehicle having a structure made of aluminum alloy,
A vehicle body structure for a railway vehicle, wherein a metal outer plate having a higher strength and melting point than an aluminum alloy is provided on an outer surface of the structure. 前記金属製外板は、ステンレス鋼製外板であることを特徴とする請求項１に記載の鉄道車両の車体構造。   The vehicle body structure for a railway vehicle according to claim 1, wherein the metal outer plate is a stainless steel outer plate. 前記構体が交差する交差部に、アルミニウム合金製の柱材または梁材の表面の一部にその軸方向にわたって前記金属製外板と材質が同じである板材をはり付けた補強部材が配されており、
交差する前記構体が前記補強部材の柱材または梁材に溶接され、この交差する構体に設けられて交差する前記外板が前記補強部材の板材に溶接されていることを特徴とする請求項１または２に記載の鉄道車両の車体構造。 A reinforcing member in which a plate material that is the same material as the metal outer plate is attached to a part of the surface of an aluminum alloy column material or beam material in the axial direction is disposed at the intersection where the structure intersects. And
2. The intersecting structure is welded to a column member or a beam member of the reinforcing member, and the outer plate provided and intersected with the intersecting structure is welded to the plate member of the reinforcing member. Or the vehicle body structure of the railway vehicle of 2.
JP2005100980A 2005-03-31 2005-03-31 Railway vehicle body structure Expired - Fee Related JP4464306B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011201369A (en) * 2010-03-25 2011-10-13 Hitachi Ltd Railway vehicle including impact absorbing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011201369A (en) * 2010-03-25 2011-10-13 Hitachi Ltd Railway vehicle including impact absorbing structure

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