JP4815165B2 - Exterior hood structure for vehicle connection - Google Patents

Exterior hood structure for vehicle connection Download PDF

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JP4815165B2
JP4815165B2 JP2005241672A JP2005241672A JP4815165B2 JP 4815165 B2 JP4815165 B2 JP 4815165B2 JP 2005241672 A JP2005241672 A JP 2005241672A JP 2005241672 A JP2005241672 A JP 2005241672A JP 4815165 B2 JP4815165 B2 JP 4815165B2
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vehicle
hood
air chamber
connection
air
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JP2007055384A (en
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稔 藤田
茂 北山
一也 隅田
義 岡田
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東海旅客鉄道株式会社
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本発明は、鉄道車両の連結部に取り付けられる車両連結部用外幌構造に関し、詳しくは高速走行時の空力騒音と走行抵抗とを低減するとともに、メンテナンス等において車両連結部の切り離しを容易に行うことができ、また高速走行であるが故の部品の軽量化、車両の取付けスペースの縮小化、さらには大変位の追随が可能な車両連結部用外幌構造に関する。   The present invention relates to an outer hood structure for a vehicle connecting portion that is attached to a connecting portion of a railway vehicle. More specifically, the aerodynamic noise and running resistance during high-speed traveling are reduced, and the vehicle connecting portion is easily separated during maintenance and the like. Further, the present invention relates to an outer hood structure for a vehicle connecting portion that can reduce the weight of a component because of high-speed traveling, reduce the mounting space of a vehicle, and can follow a large displacement.

今日、のぞみ系新幹線などの時速300km/時を超える高速鉄道車両が登場し、連結部における走行時の風切り音の発生が問題として顕在化してきた。その対策として、ゴム弾性体およびウレタンの複合材等の幌で車両の連結部を覆う構造の車両連結部用外幌が提案された。しかし、この場合、車両間を幌により連結する構造であるため、車両連結部の切り離しの際に、多くの労力と時間を有するという問題があった。   Today, high-speed railway vehicles exceeding 300 km / hour such as the Nozomi Shinkansen have appeared, and the generation of wind noise during travel at the connecting part has become a problem. As a countermeasure, an outer hood for a vehicle connecting portion having a structure in which the connecting portion of the vehicle is covered with a hood such as a rubber elastic body and a urethane composite material has been proposed. However, in this case, since the structure is such that the vehicles are connected by a hood, there is a problem in that much labor and time are required when the vehicle connecting portion is disconnected.

また、ゴム弾性体等からなる車両連結部用外幌に代わり、所定の空気室を有し、この空気室の作用によりゴム弾性体の剛性の確保を図った車両連結部用外幌も種々提案されている(特許文献1〜5)。
特開平7−300070号公報(特許請求の範囲等) 特開平9−136647号公報(特許請求の範囲等) 特開平11−198805号公報(特許請求の範囲等) 特開平11−291902号公報(特許請求の範囲等) 特開平11−291903号公報(特許請求の範囲等)
In addition to the outer hood for vehicle connection parts made of rubber elastic bodies, etc., various outer hoods for vehicle connection parts that have a predetermined air chamber and ensure the rigidity of the rubber elastic body by the action of this air chamber are also proposed. (Patent Documents 1 to 5).
JP-A-7-300070 (Claims etc.) JP-A-9-136647 (Claims etc.) JP-A-11-198805 (Claims etc.) Japanese Patent Laid-Open No. 11-291902 (Claims etc.) JP 11-291903 A (claims, etc.)

上記特許文献1〜5に記載されている車両連結部用外幌構造により高速走行時の空力騒音と走行抵抗の低減が可能となったが、この外幌構造を車両の連結部を覆う一体構造とした場合、メンテナンス等において車両連結部の切り離しの際、多大の工数を要し、取り扱い性に難があった。また、適用車両が高速走行であるために、部品の軽量化が要求されるとともに、車両の取付けスペースの制約もあった。さらに、構内軌道分岐などの曲率が小さいときに入力される大変位に対する追随性も満たす必要があった。   The outer hood structure for a vehicle connection part described in the above Patent Documents 1 to 5 can reduce aerodynamic noise and running resistance during high-speed traveling, but this outer hood structure is an integrated structure that covers the connection part of the vehicle. In such a case, a large number of man-hours are required for disconnecting the vehicle connecting portion in maintenance or the like, and handling is difficult. In addition, since the applicable vehicle is traveling at high speed, it is required to reduce the weight of parts, and there is a restriction on the installation space of the vehicle. In addition, it is necessary to satisfy the followability to a large displacement that is input when the curvature of the on-site trajectory branch is small.

そこで本発明の目的は、時速270km/時を超えるような高速鉄道車両の連結部に取り付けられ、高速走行時の騒音と走行抵抗との効果的な低減と、構内軌道の分岐時の大変位入力に対する良好な追随性(以下「変位吸収性」と略記する)とともに、メンテナンス等における車両連結部の切り離しの容易化、高速走行であるが故の部品の軽量化、さらには車両の取付けスペースの縮小化を実現し得る車両連結部用外幌構造を提供することにある。   Accordingly, an object of the present invention is to be attached to a connecting portion of a high-speed railway vehicle exceeding 270 km / h, effectively reducing noise and running resistance during high-speed running, and large displacement input when branching a campus track. In addition to good trackability (hereinafter abbreviated as “displacement absorption”), easy disconnection of the vehicle connection part for maintenance, etc., weight reduction of parts due to high speed running, and further reduction of vehicle installation space An object of the present invention is to provide an outer hood structure for a vehicle connecting portion that can be realized.

本発明者らは、前記課題を解決すべく鋭意検討した結果、車両連結部用外幌を車両取り付け間の相対運動に追従できるよう弾性体で構成し、かつその剛性を高速走行時においても確保するために所定の空気室を設け、さらにその空気室の空気圧を適宜調整可能とすることにより、高速走行時の騒音の低減と、軌道の分岐時の大変位入力に対する良好な吸収とが得られることを見出し、本発明を完成するに至った。   As a result of intensive studies to solve the above-mentioned problems, the present inventors have configured the outer hood for the vehicle connection portion with an elastic body so that it can follow the relative movement between the vehicle mountings, and ensure its rigidity even during high-speed traveling. For this purpose, a predetermined air chamber is provided, and the air pressure of the air chamber can be adjusted as appropriate, thereby reducing noise during high-speed traveling and good absorption for large displacement input when the track is branched. As a result, the present invention has been completed.

即ち、本発明の車両連結部用外幌構造は、鉄道車両の連結部にて互いに対向する該鉄道車両縁部に装着される車両連結部用外幌構造において、互いに当接して鉄道車両連結部を覆う一対の外幌形成部材を備え、該外幌形成部材が、空気室と、該空気室を被覆して鉄道車両縁部の連結面に張設される被覆ゴムシートとを具備し、かつ、該外幌形成部材の空気室が、横断面において周長の異なる2つの空気室が接続してだるま状の外形を有する、略円筒状の空気室からなり、該だるま状の空気室における頭部に相当する空気室と胴部に相当する空気室との境界に形成された隔壁に空気孔が穿設されていることを特徴とするものである。 That is, the outer hood structure for a vehicle connecting portion of the present invention is in contact with each other in the outer hood structure for a vehicle connecting portion mounted on the edge of the railway vehicle facing each other at the connecting portion of the railway vehicle . a pair of outer hood member cormorants covering the connecting portion, the outer hood forming member, and the air chamber and a coating rubber sheet covering the air chamber is stretched to the coupling surface of the edge portion of the railway car And the air chamber of the outer hood forming member is formed of a substantially cylindrical air chamber having a daruma-shaped outer shape by connecting two air chambers having different circumferential lengths in cross section, In the air chamber, an air hole is formed in a partition wall formed at a boundary between an air chamber corresponding to a head and an air chamber corresponding to a body portion .

本発明の車両連結部用外幌構造においては、外幌形成部材の空気室と被覆ゴムシートとの間のスペースにスポンジ材が充填されてなるものが好適である。 In the outer hood structure for a vehicle connecting portion according to the present invention, it is preferable that the space between the air chamber of the outer hood forming member and the covering rubber sheet is filled with a sponge material .

本発明の車両連結部用外幌構造によれば、時速270km/時を超えるような高速鉄道車両の連結部に取り付けることで、高速走行時の騒音と走行抵抗との効果的な低減と、良好な変位吸収性とともに、メンテナンス等における車両連結部の切り離しの容易化、高速走行であるが故の部品の軽量化、さらには車両の取付けスペースの縮小化を実現することができる。   According to the outer hood structure for a vehicle connecting portion of the present invention, it is effectively attached to a connecting portion of a high-speed railway vehicle that exceeds 270 km / hour, thereby effectively reducing noise and running resistance at high speed. In addition to excellent displacement absorptivity, it is possible to facilitate the disconnection of the vehicle connecting portion in maintenance and the like, to reduce the weight of parts due to high-speed running, and to reduce the mounting space of the vehicle.

以下、本発明を図面に基づき具体的に説明する。
図1に、本発明の一実施形態に係る車両連結部用外幌構造1を鉄道車両の連結部に装着したときの断面構造を示す。また、図2は、その斜視図である。図1に示すように、車両連結部用外幌の本体としての一対の外幌形成部材2が、前後の鉄道車両A、Bの連結部にて対向する該鉄道車両連結面10、11に装着され、外幌形成部材2の先端同士が当接されている。これにより、車両連結部が覆われる。
Hereinafter, the present invention will be specifically described with reference to the drawings.
FIG. 1 shows a cross-sectional structure when a vehicle connecting portion outer hood structure 1 according to an embodiment of the present invention is mounted on a connecting portion of a railway vehicle. FIG. 2 is a perspective view thereof. As shown in FIG. 1, a pair of outer hood forming members 2 as the main body of the outer hood for the vehicle connection portion are mounted on the rail vehicle connection surfaces 10 and 11 facing each other at the connection portion between the front and rear rail vehicles A and B. The tips of the outer hood forming members 2 are in contact with each other. Thereby, a vehicle connection part is covered.

かかる外幌形成部材2は、空気室3と、空気室3を被覆して車両縁部の連結面10、11に、張設される被覆ゴムシート4とを有する。空気室3は、図1に示すように、横断面がだるま状の略円筒状空気室からなり、だるま状の頭部3Aと胴部3Bの境界に隔壁5が形成されている。この隔壁5には空気孔6が適宜寸法にて複数穿設されており、胴部3Bに空気を充填することにより頭部3Aにも空気が充填されるようになっている。空気室3の横断面を図示するようにだるま状とすることにより、外幌形成部材2の形状安定性を良好に維持することができる。   The outer hood forming member 2 includes an air chamber 3 and a covering rubber sheet 4 that covers the air chamber 3 and is stretched on the connecting surfaces 10 and 11 of the vehicle edge. As shown in FIG. 1, the air chamber 3 is formed of a substantially cylindrical air chamber having a daruma-shaped cross section, and a partition wall 5 is formed at the boundary between the daruma-shaped head portion 3A and the trunk portion 3B. A plurality of air holes 6 having appropriate dimensions are formed in the partition wall 5, and the head portion 3A is also filled with air by filling the body portion 3B with air. The shape stability of the outer hood forming member 2 can be maintained satisfactorily by making the cross section of the air chamber 3 into a daruma shape as illustrated.

なお、空気室3は、ゴム弾性体またはゴム引布、樹脂加工布等の気密袋からなり、図示はしないが注排気バルブを備え、遠隔操作により膨張および収縮自在に形成されている。空気室3は、車両連結面10、11の幅方向に沿う1本の円筒状空気室とすることができるが、幅方向で複数に分割されていてもよい。   The air chamber 3 is made of a rubber elastic body, an airtight bag such as a rubberized cloth, a resin processed cloth or the like, and includes an air supply / exhaust valve (not shown), and is formed to be inflatable and contractable by remote operation. The air chamber 3 can be a single cylindrical air chamber along the width direction of the vehicle connection surfaces 10 and 11, but may be divided into a plurality of portions in the width direction.

かかる空気室3を被覆して車両縁部の連結面10、11に張設される被覆ゴムシート4は、車両縁部の連結面10、11に夫々配置されたブラケット12に直接取付けることにより軽量化を図ることができる。図示する好適例では、ブラケット12は外幌形成部材2の幅と略同じ長さで車両縁部の連結面10、11に夫々配置されている。一対にて互いに平行して延在する長尺のブラケット12には幅方向に適宜間隔で螺子孔が穿設されており、被覆ゴムシート4の端部はブラケット12に沿って延在する長尺の巻付け具7に巻付けられた状態でブラケット12の螺子孔にボルト8にて固定されている。よって、ボルト8で螺着される箇所の被覆ゴムシート4の端部および巻付け具7にはボルト8用の貫通孔が穿設されている。   The covering rubber sheet 4 covering the air chamber 3 and stretched on the connecting surfaces 10 and 11 at the vehicle edge is lightly attached by being directly attached to the brackets 12 respectively disposed on the connecting surfaces 10 and 11 at the vehicle edge. Can be achieved. In the preferred example shown in the drawing, the bracket 12 is disposed on the connecting surfaces 10 and 11 of the vehicle edge portion with the same length as the width of the outer hood forming member 2. A pair of long brackets 12 extending in parallel with each other are provided with screw holes at appropriate intervals in the width direction, and the end of the covering rubber sheet 4 extends along the bracket 12. A bolt 8 is fixed to a screw hole of the bracket 12 while being wound around the winding tool 7. Therefore, a through-hole for the bolt 8 is formed in the end portion of the covering rubber sheet 4 where the bolt 8 is screwed and the winding tool 7.

また、空気室3と車両連結面10、11との間には、空気室3の動きを抑えるために図示するように保護シート9を設けることが好ましい。保護シート9は、一対の長尺のブラケット12間に空気室3を包み込むようにして跨設される。保護シート9は被覆ゴムシート4と同様のシート材とすることができる。   Moreover, it is preferable to provide the protective sheet 9 between the air chamber 3 and the vehicle connection surfaces 10 and 11 as shown in order to suppress the movement of the air chamber 3. The protection sheet 9 is straddled so as to wrap the air chamber 3 between a pair of long brackets 12. The protective sheet 9 can be a sheet material similar to the coated rubber sheet 4.

さらに、高速走行時における保護シート9のバタツキを防止するために、空気室3と被覆ゴムシート4とのスペース(斜線で示す部分)にはスポンジ材を充填してもよい。   Furthermore, in order to prevent the protective sheet 9 from fluttering during high-speed traveling, the space between the air chamber 3 and the covering rubber sheet 4 (portion indicated by hatching) may be filled with a sponge material.

図3および4に、参考例の車両連結部用外幌構造の外幌形成部材の断面構造を示す。図3に示す一方の外幌形成部材22の空気室は、2本の同径の円筒状空気室23Bと、これらよりも大径の円筒状空気室23Aとからなり、外幌形成部材22の横断面形状がかまぼこ状となっている。これら空気室23A、23Bを被覆して車両縁部の連結面に張設される被覆ゴムシート24、およびその張設手段は図1に示す実施形態のものと同様とすることができる。 3 and 4 show the cross-sectional structure of the outer hood forming member of the outer hood structure for the vehicle connecting portion of the reference example . The air chamber of one outer hood forming member 22 shown in FIG. 3 is composed of two cylindrical air chambers 23B having the same diameter and a cylindrical air chamber 23A having a larger diameter than these. The cross-sectional shape is kamaboko. The covering rubber sheet 24 that covers the air chambers 23A and 23B and is stretched on the connection surface of the vehicle edge, and the tensioning means thereof can be the same as those of the embodiment shown in FIG.

図4に示す外幌形成部材32の空気室は、2本の同径の円筒状空気室33からなり、一方の外幌形成部材32の横断面形状は、図3に示す実施形態に係るものよりも、より連結方向に突出したかまぼこ状となっている。空気室33を被覆して車両縁部の連結面に張設される被覆ゴムシート34、およびその張設手段は図1に示す実施形態のものと同様とすることができる。   The air chamber of the outer hood forming member 32 shown in FIG. 4 is composed of two cylindrical air chambers 33 having the same diameter, and the cross-sectional shape of one outer hood forming member 32 is according to the embodiment shown in FIG. Instead, it has a kamaboko shape protruding more in the connecting direction. The covering rubber sheet 34 covering the air chamber 33 and extending on the connecting surface of the vehicle edge, and the extending means thereof can be the same as those of the embodiment shown in FIG.

なお、図1および図2に示す例は車両の一側面のみに本発明の車両連結部用外幌構造を適用した例であるが、少なくとも車両の連結部の上面および両側面を覆うように本発明の車両連結部用外幌構造を設けることができるのは勿論である。   The example shown in FIGS. 1 and 2 is an example in which the outer hood structure for a vehicle connecting portion of the present invention is applied to only one side of the vehicle, but the main cover is covered so as to cover at least the upper surface and both side surfaces of the connecting portion of the vehicle. Of course, the outer hood structure for the vehicle connecting portion of the invention can be provided.

以下、本発明の車両連結部用外幌構造の試験例について説明する。
図1および2に示す車両連結部用外幌構造1につき、その空気室3に10〜20kPaの空気圧を封入したところ(連結部の車両間距離:500mm、一方の外幌形成部材2の、連結面10から他方の外幌形成部材2に対する当接面までの距離:260mm)、高速走行時の剛性を確保することができると共に、側線(構内軌道)走行時は空気室3が変形して大変位に追随することができた。
Hereinafter, a test example of the outer hood structure for a vehicle connecting portion of the present invention will be described.
1 and 2, when air pressure of 10 to 20 kPa is sealed in the air chamber 3 (distance between the vehicles of the connecting portion: 500 mm, one outer hood forming member 2 is connected) The distance from the surface 10 to the abutment surface with respect to the other outer hood forming member 2 is 260 mm), the rigidity at high speed traveling can be secured, and the air chamber 3 is deformed when traveling on the side line (on-site track). I was able to follow the rank.

本発明の一実施の形態に係る車両連結部用外幌構造を鉄道車両の連結部に装着したときの断面図である。It is sectional drawing when the outer hood structure for vehicle connection parts which concerns on one embodiment of this invention is mounted | worn with the connection part of a railway vehicle. 図1に示す車両連結部用外幌構造の斜視図である。It is a perspective view of the outer hood structure for vehicle connection parts shown in FIG. 参考例の車両連結部用外幌構造を鉄道車両の連結部に装着したときの断面図である。It is sectional drawing when the outer hood structure for vehicle connection parts of a reference example is mounted | worn with the connection part of a railway vehicle. 参考例の車両連結部用外幌構造を鉄道車両の連結部に装着したときの断面図である。It is sectional drawing when the outer hood structure for vehicle connection parts of a reference example is mounted | worn with the connection part of a railway vehicle.

符号の説明Explanation of symbols

1 車両連結部用外幌構造
2 外幌形成部材
3 空気室
3A 頭部
3B 胴部
4 被覆ゴムシート
5 隔壁
6 空気孔
7 巻付け具
8 ボルト
9 保護シート
10、11 鉄道車両連結面
12 ブラケット
22 外幌形成部材
23A、23B 円筒状空気室
24 被覆ゴムシート
32 外幌形成部材
33 円筒状空気室
34 被覆ゴムシート
A、B 鉄道車両
DESCRIPTION OF SYMBOLS 1 Outer hood structure for vehicle connection parts 2 Outer hood formation member 3 Air chamber 3A Head 3B Trunk part 4 Cover rubber sheet 5 Partition 6 Air hole 7 Winding tool 8 Bolt 9 Protective sheet 10, 11 Railroad vehicle connection surface 12 Bracket 22 Outer hood forming members 23A, 23B Cylindrical air chamber 24 Covered rubber sheet 32 Outer hood forming member 33 Cylindrical air chamber 34 Covered rubber sheet A, B Railway vehicle

Claims (2)

鉄道車両の連結部にて互いに対向する該鉄道車両縁部に装着される車両連結部用外幌構造において、
互いに当接して鉄道車両連結部を覆う一対の外幌形成部材を備え
該外幌形成部材が、空気室と、該空気室を被覆して鉄道車両縁部の連結面に張設される被覆ゴムシートとを具備し、かつ、
該外幌形成部材の空気室が、横断面において周長の異なる2つの空気室が接続してだるま状の外形を有する、略円筒状の空気室からなり、該だるま状の空気室における頭部に相当する空気室と胴部に相当する空気室との境界に形成された隔壁に空気孔が穿設されていることを特徴とする車両連結部用外幌構造。
In the outer hood structure for a vehicle connection part mounted on the edge of the railway vehicle facing each other at the connection part of the railway vehicle,
Abuts an outer hood member pair Urn covering the connecting portion of the railway vehicle to each other,
The outer hood forming member includes an air chamber, and a coated rubber sheet that covers the air chamber and is stretched on a connecting surface of an edge of a railway vehicle , and
The air chamber of the outer hood forming member is composed of a substantially cylindrical air chamber having a daruma-shaped outer shape by connecting two air chambers having different circumferential lengths in cross section, and the head in the daruma-shaped air chamber An outer hood structure for a vehicle connecting portion , wherein an air hole is formed in a partition wall formed at a boundary between an air chamber corresponding to the above and an air chamber corresponding to a trunk portion .
前記外幌形成部材の空気室と被覆ゴムシートとの間のスペースにスポンジ材が充填されてなる請求項1記載の車両連結部用外幌構造。 The outer hood structure for a vehicle connecting portion according to claim 1 , wherein a sponge material is filled in a space between the air chamber of the outer hood forming member and the covering rubber sheet .
JP2005241672A 2005-08-23 2005-08-23 Exterior hood structure for vehicle connection Expired - Fee Related JP4815165B2 (en)

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CN111114567B (en) * 2018-10-30 2021-07-20 河北昊德橡塑有限公司 Rubber structure for bullet train windshield and forming method thereof

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