JP4183674B2 - Outer hood for connecting parts of railway vehicles - Google Patents

Outer hood for connecting parts of railway vehicles Download PDF

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JP4183674B2
JP4183674B2 JP2004305322A JP2004305322A JP4183674B2 JP 4183674 B2 JP4183674 B2 JP 4183674B2 JP 2004305322 A JP2004305322 A JP 2004305322A JP 2004305322 A JP2004305322 A JP 2004305322A JP 4183674 B2 JP4183674 B2 JP 4183674B2
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hood
vehicle
tip
base
portions
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JP2006117040A (en
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昭彦 鳥居
功 成瀬
修二 中村
克之 塚原
賢治 小松
伸佳 竹廣
一雄 加藤
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東海旅客鉄道株式会社
川崎重工業株式会社
横浜ゴム株式会社
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Description

本発明は、主として高速鉄道車両に用いられる、鉄道車両の連結部用外幌に関するものである。   The present invention relates to an outer hood for a connecting portion of a railway vehicle, which is mainly used for a high-speed railway vehicle.
従来、鉄道車両間の空間部を覆う車両用幌は、車両間の内側全周を覆う内幌と、その内幌の外側において車両の左右側部のみに設けられる外幌から構成されている。   2. Description of the Related Art Conventionally, a vehicle hood that covers a space between railway vehicles is composed of an inner hood that covers the entire inner periphery between vehicles, and an outer hood that is provided only on the left and right sides of the vehicle outside the inner hood.
前記内幌は、蛇腹構造に形成され、車内に風雪、ほこり等の異物が侵入するのを防止する役割を果たすが、車両連結部の空気抵抗の低減、空気流を原因とした車外騒音の発生の低減については十分とはいえない。   The inner hood is formed in a bellows structure and serves to prevent foreign objects such as wind, snow and dust from entering the vehicle, but it reduces the air resistance of the vehicle connection part and generates external noise due to airflow. It cannot be said that the reduction is sufficient.
一方、外幌は前後車両の各々の側部に取り付けられる断面U字状のゴム板で構成され、車両を側面から見たときの美感の向上を確保すると共に、ホームからの乗客の転落を防止する役割を果たしている。   On the other hand, the outer hood is composed of rubber plates with a U-shaped cross section that are attached to the sides of the front and rear vehicles, ensuring improved aesthetics when the vehicle is viewed from the side and preventing passengers from falling from the platform. Playing a role.
このように、外幌は、前後車両の各々の車体端面において前後の側部のみに設けられ、しかも車両の連結部において、外幌は間隔を存して取り付けられているので、風切り音、車輪とレールの摩擦音、レール継ぎ目でのたたき音、車輪の転動音、パンタグラフ擦り音、鉄橋通過時の共鳴音等の車外騒音が内幌を通じてそのまま車両内に侵入してくるのを防止できない。また、そのような外幌は、高速鉄道車両の場合には、走行抵抗の低減を図る目的では大きな効果が期待できない。   Thus, the outer hood is provided only on the front and rear sides of the vehicle body end surfaces of the front and rear vehicles, and the outer hood is attached at intervals in the connecting portion of the vehicle. It is impossible to prevent outside noise such as rail friction noise, rattling noise at the rail joints, wheel rolling noise, pantograph rubbing noise, and resonance noise when passing through the iron bridge from entering the vehicle as it is. Further, such an outer hood cannot be expected to have a great effect for the purpose of reducing running resistance in the case of a high-speed railway vehicle.
そこで、車両連結部の空気抵抗の低減、空気流を原因とした車外騒音の発生の低減を目的として、前後車両の各々の車体端面において、左右の側部部分だけでなく、上側部分(屋根側部分)及び左右の側部部分に亘って外幌を設けたものが提案されている(特許文献1,2,3,4参照)。   Therefore, for the purpose of reducing the air resistance of the vehicle connecting part and reducing the generation of external noise due to the air flow, not only the left and right side parts but also the upper part (the roof side) And an outer hood provided over the left and right side portions have been proposed (see Patent Documents 1, 2, 3, and 4).
さらに床下部から騒音侵入の防止を目的として、車両間の空間部の周囲を覆う上下左右の直線部材と、それに接続され四隅に配設されるコーナー部材とから、外幌を構成するものが提案されている(例えば特許文献5参照)。
実開平4−92480号公報(請求項1、段落番号0007〜0010及び図1,2) 特開平9−286329号公報(段落番号0022及び図1) 特開平11−171011号公報(段落番号0002及び図8,図9) 特開2003−291804号公報(段落番号0010及び図1,図2) 特開2003−112625号公報(第3頁、第4頁)
In addition, for the purpose of preventing noise intrusion from the bottom of the floor, a proposal is made of an outer hood consisting of top, bottom, left and right linear members that cover the space between the vehicles, and corner members that are connected to the corners and arranged at the four corners. (See, for example, Patent Document 5).
Japanese Utility Model Publication No. 4-92480 (Claim 1, paragraph numbers 0007 to 0010 and FIGS. 1 and 2) JP-A-9-286329 (paragraph number 0022 and FIG. 1) Japanese Patent Laid-Open No. 11-171011 (paragraph number 0002 and FIGS. 8 and 9) JP 2003-291804 A (paragraph number 0010 and FIGS. 1 and 2) JP 2003-112625 A (pages 3 and 4)
前後の外幌の先端部分同士を相互に接触させるようにすると、車両(車体)の動きによっては、一方の外幌の先端部分が他方の外幌の先端部分の上に乗り上げるおそれがある。この傾向は、外幌の先端部分同士を、少し圧縮した密着状態で接触している場合には顕著である。   If the front and rear end portions of the outer hood are brought into contact with each other, depending on the movement of the vehicle (vehicle body), the front end portion of one outer hood may ride on the front end portion of the other outer hood. This tendency is remarkable when the front end portions of the outer hood are in contact with each other in a slightly compressed state.
特に、外幌の上側部分(屋根部)においては、前後の車両相互の高さ方向の上下の偏位が発生するために、そのような乗り上げが繰り返されやすく、その乗り上げやすい状態に型づけられてしまう可能性があり、そのような事態をできるだけ回避したいという要求がある。一方、外幌の左右側部においては、車両間の高さ方向の上下の偏位は、外幌の長手方向でのズレとなるため、外幌の上側部分ほど乗り上げをひき起こす原因とならないため、接触状態で、走行抵抗低減のためにできるだけ平滑に連続した形状となることを主たる目的にしたいという要求がある。   In particular, in the upper portion (roof portion) of the outer hood, vertical displacement in the height direction between the front and rear vehicles occurs, so that such riding is likely to be repeated, and it is modeled in such a state that it is easy to ride. There is a demand to avoid such a situation as much as possible. On the other hand, in the left and right sides of the outer hood, the vertical displacement in the height direction between the vehicles will cause a shift in the longitudinal direction of the outer hood, so that it does not cause the ride up to the upper part of the outer hood. In the contact state, there is a demand that the main purpose is to make the shape as smooth and continuous as possible to reduce running resistance.
なお、特許文献1に記載の技術では、そのような乗り上げを回避するために、外幌同士が押し合った場合に相互の変形を助長する貫通孔をコーナー部材に設けているが、車両間の上下方向の相互の動きについては考慮されてないため、外幌の上側(屋根部)部分においては、やはり乗り上げが生じる。   In the technology described in Patent Document 1, in order to avoid such a ride, a through hole that facilitates mutual deformation when the outer hoods are pressed against each other is provided in the corner member. Since mutual movement in the vertical direction is not taken into consideration, the climbing also occurs on the upper side (roof portion) of the outer hood.
そこで、本発明は、上側部分及び左右の側部部分について断面形状を変えることで、前述した課題を解決することを目的とする。   Therefore, an object of the present invention is to solve the above-described problems by changing the cross-sectional shapes of the upper part and the left and right side parts.
請求項1の発明は、可撓性弾性材料で形成され、鉄道車両の連結部において、前記鉄道車両の前後の車両の対向する車体端面の周縁に取り付けられる断面U字形状の鉄道車両の連結部用外幌であって、前記車体端面に取り付けられた状態において、対向する外幌に弾性接触するものであり、前記車体端面の上側縁付近に位置する第1の部分は、前記車体端面の左右側縁付近に位置する第2の部分よりも、前記車体端面への取付部分同士の幅が広く、かつ先端部分の曲率半径も大きい断面形状であることを特徴とする。 A first aspect of the present invention is a railway vehicle coupling portion having a U-shaped cross section, which is formed of a flexible elastic material and is attached to a peripheral edge of an opposite vehicle body end surface of the railway vehicle before and after the railway vehicle. An outer hood for a vehicle, which is in elastic contact with an opposing outer hood when attached to the end surface of the vehicle body, and a first portion located near the upper edge of the end surface of the vehicle body is located on the left and right sides of the end surface of the vehicle body than a second portion located in the vicinity of the side edges, the width of the mounting portion between to the vehicle body end face is wide, and wherein the radius of curvature of the tip section is also larger cross-sectional shape.
このようにすれば、全体に亘って断面U字形状であっても、車体端面の上側縁付近に位置する第1の部分は、車体端面の左右の側縁付近に位置する第2の部分より、第1の部分においては、対向する外幌の第1の部分との接触面積が大きく、押し合いによる変形が大きくなるものの、前述したところの先端部分の相互の乗り上げが抑制される。一方、第2の部分は、第1の部分より、前記車体端面への取付部分同士の幅が狭くかつ先端部分が略紡錘形状に狭くなっているため、対向する外幌の第1の部分との接触面積が少ないが、車体の側面と段差が少なく、かつ押し合いによる変形が少なくなるので、スムーズに連結されることになる。 In this way, the first portion located near the upper edge of the vehicle body end surface is more than the second portion located near the left and right side edges of the vehicle body end surface, even if it has a U-shaped cross section throughout. The first portion has a large contact area with the first portion of the opposed outer hood, and the deformation due to the pressing increases, but the above-described riding on the tip portion is suppressed. On the other hand, the second portion, than the first portion, for attaching portion width narrow and the tip portion of each other to the vehicle body end face is narrow substantially fusiform, a first portion of the opposite outer hood Although the contact area is small, there are few steps with the side surface of the vehicle body, and deformation due to pressing is reduced, so that the connection is smooth.
つまり、請求項1の発明は、上側縁付近に位置する第1の部分及び左右の側縁付近に位置する第2の部分について断面形状を異ならせることより、それぞれの部分に応じた最適の断面形状としたものである。第1の部分は、対向する相手方の第1の部分との相互の乗り上げが規制される断面形状とされる一方、第2の部分は、対向する相手方の第2の部分と平滑に連続する断面形状とされる。   In other words, the invention according to claim 1 is configured such that the cross-sectional shapes of the first portion located near the upper edge and the second portion located near the left and right side edges are made different, so that the optimum cross section corresponding to each portion is obtained. It is a shape. The first part has a cross-sectional shape that restricts mutual riding with the opposing first part, while the second part has a cross-section that is smoothly continuous with the opposing second part. Shaped.
請求項2に記載のように、湾曲した先端部と、車体端面の外側縁側と車体中心側とに間隔を存して取り付けられる厚肉の外側及び内側基部と、前記先端部と前記外側及び内側基部との間に設けられ、前記外側基部及び内側基部から先端部に向かって徐々に肉厚が薄くなる外側及び内側中間連接部とを有する構成とすることができる。   According to a second aspect of the present invention, a curved distal end portion, thick outer and inner base portions that are attached to the outer edge side and the vehicle body center side of the vehicle body end surface with a space therebetween, and the distal end portion and the outer and inner base portions. It can be set as the structure which is provided between the base and has the outer side and inner side intermediate | middle connection part which becomes thin gradually from the said outer side base and inner side base toward a front-end | tip part.
このようにすれば、第1の部分と第2の部分とで基部の間隔(取付間隔)を変えることで、第1の部分と第2の部分とで、それぞれの部分に応じて最適の断面形状に簡単に調整される。   If it does in this way, by changing the space | interval (attachment space | interval) of a base part with a 1st part and a 2nd part, an optimal cross section according to each part in a 1st part and a 2nd part. Easy to adjust to shape.
請求項3に記載のように、前記先端部には、前記内側基部寄りに偏倚して薄肉部分が形成されていることが望ましい。   According to a third aspect of the present invention, it is desirable that a thin-walled portion is formed at the distal end portion so as to be biased toward the inner base portion.
このようにすれば、相手方と接触しやすい先端部において薄肉部分が内側基部寄りに偏倚しているので、内側部分の方が剛性が低く、内側に曲がりやすくなり、相互の乗り上げが無理なく回避される。   In this way, the thin part is biased closer to the inner base at the tip that is likely to come into contact with the other party, so the inner part is less rigid and easier to bend inward, so that mutual riding can be avoided without difficulty. The
以上のように、本発明は、全周に亘って断面U字形状であっても、車体端面の上側縁付近に位置する第1の部分が、車体端面の左右の側縁付近に位置する第2の部分よりも、車体端面への取付部分同士の幅が広く、かつ先端部分の曲率半径も大きい断面形状としているので、第1の部分においては接触面積が大きくなり、先端部分の乗り上げを回避しやすくすることができる一方、第2の部分は第1の部分ほど取付幅が広くなっていないので、車体間を平滑に連結することができる。 As described above, according to the present invention, the first portion located near the upper edge of the vehicle body end surface is located near the left and right side edges of the vehicle body end surface even if it has a U-shaped cross section over the entire circumference. than 2 parts, wider between the attachment portion to the vehicle body end faces, and since the radius of curvature is large cross-sectional shape of the tip portion, the contact area is increased in the first part, avoid riding the tip portion On the other hand, since the mounting width of the second part is not as wide as that of the first part, the vehicle bodies can be connected smoothly.
以下、本発明の実施の形態を図面に沿って説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.
図1は本発明に係る鉄道車両の連結用外幌の全体構成を示す説明図、図2は図1のC部拡大図、図3は図1のA−A線における断面図、図4は図1のB−B線における断面図である。   FIG. 1 is an explanatory diagram showing the overall configuration of a railroad car connecting outer hood according to the present invention, FIG. 2 is an enlarged view of a portion C in FIG. 1, FIG. 3 is a cross-sectional view taken along line AA in FIG. It is sectional drawing in the BB line of FIG.
図1に示す外幌1は、後述するように断面U字形状である。そして、鉄道車両の連結部において、1つの外幌1が前側車両の後側の車体端面に全周に亘って設けられ、もう1つの外幌1が後側車両の前側の車体端面に全周にわたって設けられ、それら2つの前後の外幌が互いに対向するように設けられる。そして、対向する前後の外幌1は弾性接触し、それらによって、前後車両間の空間部の全周が覆われ、前後車両間の内部空間と車両外の外部空間とが仕切られる。   The outer hood 1 shown in FIG. 1 has a U-shaped cross section as will be described later. In the connecting part of the railway vehicle, one outer hood 1 is provided over the entire circumference of the rear vehicle body end surface of the front vehicle, and the other outer hood 1 is disposed around the entire vehicle circumference end surface of the rear vehicle. These two front and rear outer hoods are provided so as to face each other. The front and rear outer hoods 1 that are opposed to each other elastically contact each other, so that the entire circumference of the space between the front and rear vehicles is covered, and the internal space between the front and rear vehicles is separated from the external space outside the vehicle.
外幌1は、ほぼ水平方向に延び車体端面の上側縁付近に取り付けられる天井幌部材2と、それと結合する湾曲した肩幌部3AA,3BAを持ちほぼ垂直方向に延び車体端面の左右側縁付近に取り付けられる左右側部幌部材3A,3Bとで構成される。これらの大きさ(長さ)は、車両の相対動きを考慮して車両に応じて決定される。つまり、前後の外幌同士の当たる部位がずれても、相手方から無理な負荷を受けないように配慮している。例えば、前後の外幌について、それぞれの各幌部材2,3A,3B,の結合部分(切れ目)は長手方向においてずれた位置となるようにされ、結合部分同士が当たって早期に摩耗するのが回避される構成としている。なお、天井幌部材2は、中央部分2AA(第1の部分)が左右両端部分2AB,2ACよりも幅広とされ、左右両端部分2AB,2ACは、肩幌部3AA,3BAを含めて左右両側部幌部材3A,3B(第2の部分)と同じ幅とされている。   The outer hood 1 has a ceiling hood member 2 that extends substantially horizontally and is mounted near the upper edge of the end surface of the vehicle body, and has curved shoulder hood portions 3AA and 3BA that are coupled to the ceiling hood member 3AA and 3BA. The left and right side hood members 3A and 3B are attached to. These sizes (lengths) are determined according to the vehicle in consideration of the relative movement of the vehicle. In other words, even if the front and rear outer hoods are in contact with each other, care is taken not to receive an excessive load from the other party. For example, with respect to the front and rear outer hoods, the joint portions (cuts) of the respective hood members 2, 3A, 3B are shifted in the longitudinal direction, and the joint portions hit each other and wear early. The configuration is to be avoided. The ceiling hood member 2 has a central portion 2AA (first portion) wider than the left and right end portions 2AB and 2AC, and the left and right end portions 2AB and 2AC include the left and right side portions including the shoulder hood portions 3AA and 3BA. It has the same width as the hood members 3A and 3B (second part).
外幌1を構成する各幌部材2,3A,3Bは、耐久性・耐候性・強度・柔軟性に優れる可撓性の弾性シート材料を折り曲げて形成される。   Each hood member 2, 3A, 3B constituting the outer hood 1 is formed by bending a flexible elastic sheet material excellent in durability, weather resistance, strength, and flexibility.
天井幌部材2や、左右の天井側部から肩部そして側部へ連続する側部幌部材3A,3Bには、例えば天然ゴムやEPDM(エチレンプロピレンゴム)などの耐久性、耐候性、柔軟性や強度において優れた材料をベースで配合された材料が用いられる。   Durability, weather resistance and flexibility of natural rubber and EPDM (ethylene propylene rubber), for example, are used for the ceiling hood member 2 and the side hood members 3A and 3B continuous from the left and right ceiling sides to the shoulders and sides. In addition, a material blended based on a material excellent in strength and strength is used.
天井幌部材2の側端部と側端部3Aとの結合部分は、図2に示すように、天井幌部材2の端部に形成された嵌合凸部2Aが側部幌部材3Aの端部内に嵌合され、嵌合された状態で表面がほぼ面一となるように構成されている。嵌合凸部2Aは、図3において鎖線で示すように、肉厚が薄く形成され、嵌合部分(天井幌部材2(嵌合凸部2A)と側部幌部材3Aとの重なり合い部分)の剛性が局所的に高くならないように考慮されている。   As shown in FIG. 2, the connecting portion between the side end portion of the ceiling hood member 2 and the side end portion 3A is a fitting convex portion 2A formed at the end portion of the ceiling hood member 2 at the end of the side hood member 3A. It is configured so that the surface is substantially flush when fitted in the part. As shown by the chain line in FIG. 3, the fitting convex portion 2A is formed with a small thickness, and is a fitting portion (the overlapping portion of the ceiling hood member 2 (fitting convex portion 2A) and the side hood member 3A). It is considered that the rigidity is not locally increased.
天井幌部材2の断面形状は、図3に示すように、湾曲した先端部2aと、車体端面(妻面)に取付具11を介して取り付けられる厚肉の外側(車体端面の外側縁側)及び内側(車体端面の車体中心側)基部2b,2cと、それらの間を連結する外側及び内側中間連接部2d,2eとを有し、断面U字形状に形成されている。そして、先端部2aは、前記内側基部2c寄りに偏倚して薄肉部分2aaが形成されている。つまり、先端部2aには、基部2b,2cの1/4程度の肉厚の薄肉部分2aaが、天井幌部材2の断面中心線に対して内側寄りに偏倚した位置に形成されている。外側及び内側中間連接部2d,2eは、厚肉の基部2b,2cから先端部2a(薄肉部分2aa)に向かって徐々に肉厚が薄くなるように形成されている。   As shown in FIG. 3, the cross-sectional shape of the ceiling hood member 2 includes a curved tip end portion 2 a, a thick outer side (outer edge side of the end surface of the vehicle body) that is attached to the end surface (wife surface) of the vehicle body via the attachment 11, and It has inner side (vehicle body center side of the vehicle body end face) base portions 2b and 2c, and outer and inner intermediate connecting portions 2d and 2e that connect them, and is formed in a U-shaped cross section. And the front-end | tip part 2a is biased toward the said inner base part 2c, and the thin part 2aa is formed. That is, a thin-walled portion 2aa having a thickness of about 1/4 of the base portions 2b and 2c is formed at the tip portion 2a at a position that is biased toward the inside with respect to the cross-sectional center line of the ceiling hood member 2. The outer and inner intermediate connecting portions 2d and 2e are formed so that the thickness gradually decreases from the thick base portions 2b and 2c toward the distal end portion 2a (thin portion 2aa).
取付金具11は、3つの金具、即ち第1〜第3の金具11A〜11Cによって構成される。第1の金具11Aは、断面コの字形状で、基部2b,2cの間隔を規制するものである。第2の金具11Bは、第1の金具11Aの外側部分11Aaとの間に外側基部2bを挟んで固定具12にて固定される。第3の金具11Cは、第1の金具11Aの内側部分11Abと間に内側基部2cを挟んで固定具13にて固定される。第1の金具11Aと、車体端面との間には、必要に応じてシール材14が充填される。これら3つの金具11A〜11Cにて、天井幌部材2の基部2b,2cの取付間隔L1が、所定の取付幅を有する断面U字形状に保持されることになる。   The mounting bracket 11 includes three brackets, that is, first to third brackets 11A to 11C. 11 A of 1st metal fittings are U-shaped cross sections, and regulate the space | interval of the base parts 2b and 2c. The second metal fitting 11B is fixed by the fixture 12 with the outer base portion 2b interposed between the second metal fitting 11B and the outer portion 11Aa of the first metal fitting 11A. The third metal fitting 11C is fixed by the fixture 13 with the inner base portion 2c sandwiched between the inner part 11Ab of the first metal fitting 11A. A seal material 14 is filled between the first metal fitting 11A and the end surface of the vehicle body as necessary. With these three metal fittings 11A to 11C, the mounting interval L1 of the bases 2b and 2c of the ceiling hood member 2 is held in a U-shaped cross section having a predetermined mounting width.
一方、側部幌部材3A(3B)の断面形状も、図4に示すように、天井幌部材2とは基本的に同一の構成で、湾曲した先端部3Aaと、車体端面に取付具16を介して取り付けられる厚肉の基部3Ab,3Acと、それらの間を連結する中間連接部3Ad,3Aeとを有し、断面U字形状に形成されている。   On the other hand, the cross-sectional shape of the side hood member 3A (3B) is basically the same as that of the ceiling hood member 2, as shown in FIG. It has thick bases 3Ab and 3Ac attached via the intermediate connecting parts 3Ad and 3Ae connecting them, and is formed in a U-shaped cross section.
側部幌部材3A(3B)の基部3Ab,3Acの取付間隔L2が天井幌部材11の基部2b,2cの取付間隔L1よりも狭い。取付間隔L2は取付間隔L1の4/5程度とされている。また、側部幌部材3A(3B)の先端部3Aa(湾曲部分)の半径R2が、天井幌部材2の先端部2aの半径R1より小さく、先端部3Aaの半径R2は、先端部2aの半径R1の1/2程度とされている。   The mounting interval L2 between the base portions 3Ab and 3Ac of the side hood member 3A (3B) is narrower than the mounting interval L1 between the base portions 2b and 2c of the ceiling hood member 11. The attachment interval L2 is about 4/5 of the attachment interval L1. The radius R2 of the tip 3Aa (curved portion) of the side hood member 3A (3B) is smaller than the radius R1 of the tip 2a of the ceiling hood member 2, and the radius R2 of the tip 3Aa is the radius of the tip 2a. It is about 1/2 of R1.
この側部幌部材3Aの取付金具16も、取付金具11と同様に、基部3Ab,3Acの間隔を規制する断面コの字形状の第1の金具16Aと、第1の金具16Aに外側部分16Aaとの間に基部3Ab,3Acを挟んで固定具17にて固定する第2の金具16Bと、第1の金具16Aの内側部分16Abと間にもう一方の基部を挟んで固定具18にて固定する第3の金具16Cとにより構成される。そして、基部3Ab,3Acの取付間隔を狭くするために、その取付間隔を狭くするだけ、第1の金具16の内側部分と外側部分との間隔が取付金具11より短くされている。   Similarly to the mounting bracket 11, the mounting bracket 16 of the side hood member 3A also has a first bracket 16A having a U-shaped cross section that regulates the distance between the base portions 3Ab and 3Ac, and an outer portion 16Aa on the first bracket 16A. The second bracket 16B is fixed by the fixture 17 with the base portions 3Ab and 3Ac interposed therebetween, and the second bracket 16B is fixed by the fixture 18 with the other base portion interposed between the inner portion 16Ab of the first bracket 16A. And the third metal fitting 16C. And in order to narrow the attachment space | interval of base part 3Ab and 3Ac, the space | interval of the inner side part of the 1st metal fitting 16 and an outer side part is made shorter than the attachment metal fitting 11 only by making the attachment space | interval narrow.
このようにして、外幌1は、天井幌部材2の中央部分2AA(第1の部分)は、側部幌部材3A(3B)(第2の部分)よりも、車体端面への取付部分同士の幅が広く、かつ先端部分の曲率半径も大きい断面形状とされる。
Thus, the outer hood 1 has a central portion 2AA (first part) of the ceiling hood member 2, rather than the side hood member 3A (3B) (the second part), the mounting portion to each other to the vehicle body end face The cross-sectional shape is wide and the radius of curvature of the tip portion is large.
上記のように構成すれば、対向する外幌1の一方が他方の上に乗り上げようとしても、天井幌部材2の中央部分2AAにおいては、基部2b,2cの取付間隔L1が側部幌部材3A(3B)の基部3Ab,3Acの取付間隔L2よりも広く、先端部2aの曲率半径R1を側部幌部材3A(3B)の先端部3Aaの曲率半径R2よりも大きくしているので、広い幅でもって前後の外幌(先端部)が押し合うようになり、互いに先端部2aを押しつぶすように変形して、相互乗り上げが効果的に抑制される。   According to the above configuration, even if one of the opposed outer hoods 1 tries to ride on the other, the mounting interval L1 between the base portions 2b and 2c is set to the side hood member 3A in the central portion 2AA of the ceiling hood member 2. (3B) is wider than the mounting interval L2 of the base portions 3Ab, 3Ac, and the curvature radius R1 of the distal end portion 2a is larger than the curvature radius R2 of the distal end portion 3Aa of the side hood member 3A (3B). Thus, the front and rear outer hoods (front end portions) come into contact with each other, and are deformed so as to crush the front end portions 2a, thereby effectively preventing mutual riding.
一方、車両の側部幌部材3Aは、基部3Aa,3Abの取付間隔L2が狭く、湾曲した先端3Aa部の曲率半径R2も小さい断面形状に形成されているので、中央部分2AAに比べて変形が少なく車体間をより平滑に連結することができ、高速走行において走行抵抗を低減する上で有利とされる。   On the other hand, the side hood member 3A of the vehicle is formed in a cross-sectional shape in which the mounting interval L2 between the base portions 3Aa and 3Ab is narrow and the curvature radius R2 of the curved tip 3Aa portion is also small. The number of the vehicle bodies can be connected more smoothly, which is advantageous in reducing running resistance at high speeds.
前記実施の形態においては、天井幌部材2と左右側部幌部材3A,3Bとを、同一断面形状の成形品で構成し、車体端面への取付部分の幅を変えることで、天井幌部材2の中央部分2AA(第1の部分)と左右両側部幌部材3A,3B(第2の部分)との断面形状が異なるようにしているが、予め、天井幌部材2、及び側部幌部材3A,3Bのそれぞれの部分にあった最適な形状に成形型を用いて成形し、それらを組立て製造することも可能である。   In the above-described embodiment, the ceiling hood member 2 and the left and right side hood members 3A and 3B are formed of molded products having the same cross-sectional shape, and the width of the mounting portion to the end face of the vehicle body is changed to thereby change the ceiling hood member 2 The central portion 2AA (first portion) and the left and right side hood members 3A, 3B (second portion) have different cross-sectional shapes, but the ceiling hood member 2 and the side hood members 3A are preliminarily different. , 3B can be molded into an optimum shape suitable for each part by using a molding die, and these can be assembled and manufactured.
また、側部幌部材3A,3Bについては、肩幌部3AA,3BAに対応する部分と、鉛直方向に延びる直線状の部分とを分割して成形することも可能である。   Further, the side hood members 3A and 3B can be formed by dividing a portion corresponding to the shoulder hood portions 3AA and 3BA and a linear portion extending in the vertical direction.
本発明に係る鉄道車両の連結用外幌の全体構成を示す説明図である。It is explanatory drawing which shows the whole structure of the outer hood for a connection of the railway vehicle which concerns on this invention. 図1のC部拡大図である。It is the C section enlarged view of FIG. 図1のA−A線における断面図である。It is sectional drawing in the AA of FIG. 図1のB−B線における断面図である。It is sectional drawing in the BB line of FIG. 従来の鉄道車両の連結部を示す概略斜視図である。It is a schematic perspective view which shows the connection part of the conventional railway vehicle.
符号の説明Explanation of symbols
1 外幌
2 天井幌部材
2AA 中央部分(第1の部分)
2a 先端部
2aa 薄肉部分
2b,2c 基部
2d,2e 中間連接部
3A,3B 側部幌部材(第2の部分)
3Aa 先端部
3Aa 薄肉部分
3Ab,3Ac 基部
3Ad,3Ae 中間連接部
3AA,3BA 肩幌部
4A,4B 下部幌部材
1 Outer hood 2 Ceiling hood member 2AA Central part (first part)
2a Front end portion 2aa Thin portion 2b, 2c Base portion 2d, 2e Intermediate connecting portion 3A, 3B Side hood member (second portion)
3Aa Tip 3Aa Thin part 3Ab, 3Ac Base 3Ad, 3Ae Intermediate connection 3AA, 3BA Shoulder hood 4A, 4B Lower hood

Claims (3)

  1. 可撓性弾性材料で形成され、鉄道車両の連結部において、前記鉄道車両の前後の車両の対向する車体端面の周縁に取り付けられる断面U字形状の鉄道車両の連結部用外幌であって、
    前記車体端面に取り付けられた状態において、対向する外幌に弾性接触するものであり、
    前記車体端面の上側縁付近に位置する第1の部分は、前記車体端面の左右側縁付近に位置する第2の部分よりも、前記車体端面への取付部分同士の幅が広く、かつ先端部分の曲率半径も大きい断面形状であることを特徴とする鉄道車両の連結部用外幌。
    An outer hood for a connecting part of a railway vehicle having a U-shaped cross section, which is formed of a flexible elastic material and is attached to a peripheral edge of a vehicle body end surface facing the front and rear of the railway vehicle at a connecting part of the railway vehicle,
    In the state of being attached to the end face of the vehicle body, it is in elastic contact with the opposing outer hood,
    A first portion located near the upper edge of the body end face than the second portion located in the vicinity of the right and left side edges of the vehicle body end face, the width of the attachment portion between to the vehicle body end face is wide, and the tip portion An outer hood for a connecting part of a railway vehicle, characterized in that the curvature radius of the cross section is large.
  2. 湾曲した先端部と、車体端面の外側縁側と車体中心側とに間隔を存して取り付けられる厚肉の外側及び内側基部と、前記先端部と前記外側及び内側基部との間に設けられ、前記外側基部及び内側基部から先端部に向かって徐々に肉厚が薄くなる外側及び内側中間連接部とを有する請求項1記載の鉄道車両の連結部用外幌。   Provided between the curved tip, the thick outer and inner bases which are attached to the outer edge side and the vehicle center side of the vehicle body end surface with a space therebetween, and the tip and the outer and inner bases, The outer hood for a connecting portion of a railway vehicle according to claim 1, further comprising an outer base portion and an inner intermediate connecting portion whose thickness gradually decreases from the outer base portion and the inner base portion toward the tip portion.
  3. 前記先端部には、前記内側基部寄りに偏倚して薄肉部分が形成されている請求項2記載の鉄道車両の連結部用外幌。   The outer hood for a connecting part of a railway vehicle according to claim 2, wherein a thin-walled part is formed at the tip end part near the inner base part.
JP2004305322A 2004-10-20 2004-10-20 Outer hood for connecting parts of railway vehicles Expired - Fee Related JP4183674B2 (en)

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JP4183674B2 true JP4183674B2 (en) 2008-11-19

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