JPH07300070A - Vestibule diaphragm structure for reducing noise from rolling stock body and resistance during running - Google Patents
Vestibule diaphragm structure for reducing noise from rolling stock body and resistance during runningInfo
- Publication number
- JPH07300070A JPH07300070A JP6116005A JP11600594A JPH07300070A JP H07300070 A JPH07300070 A JP H07300070A JP 6116005 A JP6116005 A JP 6116005A JP 11600594 A JP11600594 A JP 11600594A JP H07300070 A JPH07300070 A JP H07300070A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- outer hood
- rubber
- planar surface
- bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は高速車両の騒音対策に関
するものであって、更に詳しくは、車両間の連結部にお
ける車体騒音と走行抵抗を低減するための外幌に係るも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to noise countermeasures for high-speed vehicles, and more particularly to an outer hood for reducing vehicle body noise and running resistance at a connecting portion between vehicles.
【０００２】[0002]
【従来の技術】近年、高速車両の開発に力が注がれてお
り、時速３００ｋｍ台の営業運転が始まろうとしてい
る。しかるに、沿線の騒音も高速になるにつれて問題と
なっており、車両とレ−ルが擦れる転動音と、車両と空
気が衝突して車体騒音と走行抵抗とが大きくクロ−ズア
ップされている。2. Description of the Related Art In recent years, efforts have been made to develop high-speed vehicles, and commercial operation at a speed of 300 km / h is about to begin. However, the noise along the railway becomes a problem as the speed increases, and the rolling noise caused by the rubbing of the vehicle and the rail and the vehicle noise and the running resistance due to the collision of the vehicle and the air are greatly improved.
【０００３】そして、一般に速度を上げるに従って車体
騒音と走行抵抗が高くなり、特に車両のつなぎ目、パン
タグラフ、窓等の凹凸と空気との衝突音は速度を上げれ
ば上げるほど大きくなることが知られている。It is generally known that as the speed increases, vehicle noise and running resistance increase, and in particular, the bumps and bumps of joints, pantographs, windows and the like of a vehicle and the noise of collision with air become louder as the speed increases. There is.
【０００４】本発明にあっては、このうちで特に影響の
大きいと思われる車両のつなぎ目における改良によるも
のであるところ、図６は現在新幹線に用いられている外
幌の一例であり、全体がゴム製の略断面三角形状をなす
外幌２１の基底部２２を車両の縁端にボルト２３にて締
着されるものである。図中、２４は車両側に取り付けら
れたコ字状のブラケットであり、これに添え板２５、２
６をもってボルト２３によって固着されるものである。
この例にあっては、外幌２１の高さｈは約２２ｃｍ、基
底部２の広がりｗは約１０ｃｍであり、対向する外幌２
１の頂部２７、２７間は約６ｃｍの隙間があけられてい
る。The present invention is based on an improvement in the joints of vehicles, which are considered to have a particularly great influence. Of these, FIG. 6 is an example of an outer hood currently used in the Shinkansen, and the entire structure is shown in FIG. A base portion 22 of an outer hood 21 made of rubber and having a substantially triangular cross section is fastened to an edge of the vehicle by a bolt 23. In the figure, reference numeral 24 is a U-shaped bracket attached to the vehicle
It is fixed by a bolt 23 with 6.
In this example, the height h of the outer hood 21 is about 22 cm and the width w of the base 2 is about 10 cm.
There is a gap of about 6 cm between the tops 27 of the No. 1 unit.
【０００５】本発明者等は、現在新幹線に装着されてい
る外幌及びこれを改良してテストを繰り返したが、目標
３５０ｋｍ／ｈに対して約３００ｋｍ／ｈ付近で外幌が
外側にせり出し、破損することが確認された。この破損
原因を推定すると、高速になるに従って外幌の外側が負
圧になり、外幌本体が外側に引き出され、その後風圧で
曲がり破損したものである。このテストした外幌は車両
つなぎ目の外縁周にゴム板、プラスチック板をつき合わ
せ状に備えたものであり、又、ウレタン発泡体を用いて
も同様の結果をもたらした。The present inventors improved the outer hood currently attached to the Shinkansen and improved it, and repeated the test. The outer hood protruded to the outside at about 300 km / h with respect to the target 350 km / h. It was confirmed to be damaged. Estimating the cause of this damage, negative pressure was applied to the outside of the outer hood as the speed increased, and the main body of the outer hood was pulled out to the outside, after which it was bent and damaged by wind pressure. The outer hood tested had a rubber plate and a plastic plate attached to each other around the outer edge of the vehicle joint, and the same result was obtained when urethane foam was used.
【０００６】又、カ−ブ時にあっては、外幌がその内側
でせばまることとなり、このため通常は外幌が隙間を持
って取り付けられている。上記の例にあっても約６ｃｍ
の隙間が形成されているが、このため走行時にあっては
車体騒音と走行抵抗の低下は殆どないことが判明した。
なぜならば、現在用いられている外幌は車体騒音と走行
抵抗の低減を目的としたよりは、ホ−ムからの人や荷物
の転落を防止することが主たる目的となっているからで
ある。In addition, at the time of carving, the outer hood is squeezed inside, so that the outer hood is usually attached with a gap. Approximately 6 cm in the above example
However, it was found that there is almost no decrease in vehicle body noise and running resistance during running.
This is because the outer hood currently used has the main purpose of preventing the fall of people and luggage from the home rather than the purpose of reducing vehicle noise and running resistance.
【０００７】この他、高速車両用二重幌装置には、例え
ば実用平３−６７２６６号が知られているが、外幌を特
殊な構造としたものではなく、車体騒音と走行抵抗に対
してはそれほど役に立つものとは言い難い。In addition to the above, as a double hood device for high-speed vehicles, for example, Japanese Utility Model Publication No. 3-67266 is known. However, the outer hood does not have a special structure, and it is effective against vehicle noise and running resistance. Is not very useful.
【０００８】[0008]
【発明が解決しようとする課題】本発明は高速車両の走
行時にあっても常に接触して隙間の形成を防止し、車体
騒音と走行抵抗を低減させた外幌構造を提供することを
目的としている。SUMMARY OF THE INVENTION It is an object of the present invention to provide an outer hood structure in which a vehicle body is constantly in contact with a vehicle even when a high speed vehicle is traveling to prevent a gap from being formed, thereby reducing vehicle body noise and running resistance. There is.
【０００９】[0009]
【課題を解決するための手段】本発明は以上の目的を達
成するために鋭意研究を重ねた結果、次の構造をもつ外
幌を開発したものである。即ち、本発明の要旨は、車両
の連結部における対向する縁部に装着される外幌構造で
あって、車両端部に装着される平坦なＡ面部と、車両側
面と略同一面となるＢ面部と、Ａ面部と略平行なＣ面部
と、Ｂ面の略中央が肉薄部となす断面溝型をなすゴムブ
ロックと、前記溝型側にゴム膜を形成して膨満可能な袋
部とし、車両の走行時に袋部内に空気を導入して膨満
し、Ｃ面部を接触させて隙間をなくしたことを特徴とす
る車体騒音と走行抵抗を低減した車両の外幌構造を提供
するものである。DISCLOSURE OF THE INVENTION The present invention has developed an outer hood having the following structure as a result of intensive studies to achieve the above object. That is, the gist of the present invention is an outer hood structure that is mounted on opposite edges of a connecting portion of a vehicle, and has a flat A surface portion that is mounted on a vehicle end portion and a surface B that is substantially flush with the vehicle side surface. A face portion, a C face portion substantially parallel to the A face portion, a rubber block having a groove type cross-section having a thin portion at the approximate center of the B face, and a rubber film formed on the groove type side to form a swellable bag portion, Provided is an outer hood structure for a vehicle, which is characterized in that air is introduced into the bag portion when the vehicle is running to inflate and the C surface portion is brought into contact to eliminate a gap, thereby reducing vehicle body noise and running resistance.
【００１０】そして、好ましくは、袋部を構成するゴム
膜及びゴムブロック内に合成繊維製の補強層を埋設した
外幌構造であって、Ａ面部に車両との装着用ブラケット
を加硫接着させたものである。Preferably, the outer hood structure has a reinforcing layer made of synthetic fiber embedded in a rubber film and a rubber block forming the bag portion, and a mounting bracket for mounting on a vehicle is vulcanized and adhered to the A surface portion. It is a thing.
【００１１】[0011]
【作用】従来の外幌にあっては、カ−ブ等によって車両
の連結部がせまくなる場合、外幌が接触しないように予
め隙間をもたせて装着する。このため、通常の走行では
対向する外幌に隙間が常に開いた状態であり、車体騒音
と走行抵抗の低減はそれほど効果があるものとは言えな
い。In the conventional outer hood, when the connecting portion of the vehicle is squeezed due to a carve or the like, the outer hood is mounted with a gap so that the outer hood does not come into contact with the vehicle. For this reason, in normal running, a gap is always opened between the outer hoods that face each other, and it cannot be said that the reduction of vehicle body noise and running resistance is so effective.
【００１２】本発明は上記の構造を有する外幌構造に係
るものであって、車両が高速にて走行する際に、ゴム袋
内に空気を充填しゴム袋を膨満したものであって、相対
する外幌にあって、走行時にＣ面部を接触させるもので
ある。このため、車両の連結部の隙間が実質的になくな
り、この部位の空気との接触が低減し車体騒音と走行抵
抗が減少することとなる。The present invention relates to an outer hood structure having the above-mentioned structure, in which a rubber bag is filled with air and the rubber bag is inflated when a vehicle travels at a high speed. In the outer hood, the C surface portion is brought into contact with the vehicle when traveling. Therefore, the gap between the connecting portions of the vehicle is substantially eliminated, the contact of the air with this portion is reduced, and the vehicle noise and the running resistance are reduced.
【００１３】[0013]
【実施例】以下実施例をもって本発明の外幌を更に詳細
に説明する。図１は本発明の外幌の第１実施例を示す水
平方向の断面図であり、図２は外幌の拡大図である。ゴ
ムブロック１は車両に装着されるＡ面と、この車両の側
面に平行にのびるＢ面と、更にＡ面と平行なＣ面とより
なるものであり、内側にはＢ面の略中央が円溝２となっ
ている。そして、この円溝２側にゴム膜３が形成されて
全体として袋状をなしており、この袋部を構成するブロ
ック１の表面及びゴム膜３には、その内部に例えば合成
繊維製のコ−ド層４が埋設されている。EXAMPLES The outer hood of the present invention will be described in more detail with reference to the following examples. 1 is a horizontal sectional view showing a first embodiment of an outer hood of the present invention, and FIG. 2 is an enlarged view of the outer hood. The rubber block 1 is composed of an A surface mounted on the vehicle, a B surface extending parallel to the side surface of the vehicle, and a C surface parallel to the A surface. It is a groove 2. A rubber film 3 is formed on the side of the circular groove 2 to form a bag-like shape as a whole, and the surface of the block 1 and the rubber film 3 forming the bag portion are internally made of, for example, a synthetic fiber cord. The buried layer 4 is buried.
【００１４】ゴムブロック１のＡ面には断面コ字状のブ
ラケット５が加硫接着されており、これは車両側に固定
された受金具６との間で固着に供される。そして、受金
具６の突起７と、ブラケット５の孔８とを嵌め合わせ、
次いで一方側の遊び孔を合致させてボルト９及びナット
１０を螺合させるものである。ゴムブロック１の高さＨ
は２５ｃｍであり、ゴム袋内に空気を充填した場合には
この袋が略円形に膨満し、対向するゴムブロック１、１
のＣ、Ｃ面が接触することとなる。A bracket 5 having a U-shaped cross-section is vulcanized and adhered to the surface A of the rubber block 1, and this is used for fixing with a bracket 6 fixed to the vehicle side. Then, fit the protrusion 7 of the bracket 6 and the hole 8 of the bracket 5,
Next, the play holes on one side are aligned with each other and the bolt 9 and the nut 10 are screwed together. Height H of rubber block 1
Is 25 cm, and when the rubber bag is filled with air, this bag expands into a substantially circular shape, and the rubber blocks 1, 1 facing each other are filled.
The C and C surfaces of No. 1 are in contact with each other.
【００１５】尚、車両がカ−ブにさしかかった際には、
車両の連結部が一方でひろがり、他方でせまくなる。外
幌１はこのせまくなる側での挙動に大きな問題がある
が、図３には本発明の外幌１のせまくなる側での変形の
状態を示すものである。図例でわかるように、本発明の
外幌１、１にあっては、円溝２部が折り曲げ部となり、
これより先のＢ面が接触することにより、走行中は常に
外幌１、１が接触し、車体騒音と走行抵抗を低減できる
こととなったものである。When the vehicle approaches the curve,
The connecting part of the vehicle expands on the one hand and becomes less tight on the other. The outer hood 1 has a big problem in the behavior on the side where it becomes narrow, but FIG. 3 shows a deformed state of the outer hood 1 of the present invention on the side where it becomes narrow. As can be seen from the example of the drawing, in the outer hoods 1 and 1 of the present invention, the circular groove 2 is a bent portion,
By contacting the surface B ahead of this, the outer hoods 1 and 1 are always in contact during traveling, and it is possible to reduce vehicle body noise and traveling resistance.
【００１６】尚、ゴム袋内の空気の圧力を車両の速度に
よって調整し、速度が上がれば空気圧も上げるように制
御するのがよく、カ−ブに至っては隙間がせまくなる側
のゴム袋内の圧力を下げることとするのが望ましい。It is preferable to adjust the air pressure in the rubber bag according to the speed of the vehicle and control so that the air pressure increases as the speed increases. It is desirable to reduce the pressure of.
【００１７】図４は本発明の外幌の第１実施例の変形例
を示す部分断面図である。この例にあっては、ゴムブロ
ック１、１が接する部位に、相互に嵌合する凹凸部１
１、１２を形成して、常に安定した位置を保つようにし
たものである。FIG. 4 is a partial sectional view showing a modification of the first embodiment of the outer hood of the present invention. In this example, the concavo-convex portion 1 that is fitted to the portion where the rubber blocks 1 and 1 are in contact with each other
1 and 12 are formed so as to always maintain a stable position.
【００１８】図５は本発明の第２実施例における水平方
向の断面図であり、この例にあってはＢ面の裏側にＶ字
状の溝２1 を形成し、袋状部が略三角形状に膨満するこ
ととなり、又、このＶ溝２1 の部分が折り曲げ部となる
ものである。FIG. 5 is a horizontal sectional view of the second embodiment of the present invention. In this example, a V-shaped groove 2 1 is formed on the back side of the B surface, and the bag-shaped portion is substantially triangular. It will be fullness shape, and one in which this V groove 2 1 part becomes bent portion.
【００１９】[0019]
【発明の効果】本発明は、ゴム袋内に空気を充填しゴム
袋を膨満したものであって、走行時に外幌のＣ面部を接
触させるものである。このため、車両の連結部の隙間が
常になくなり、車体騒音と走行抵抗が減少することとな
る。According to the present invention, a rubber bag is filled with air so that the rubber bag is inflated, and the C surface portion of the outer hood is brought into contact with the rubber bag during traveling. Therefore, the gap between the connecting portions of the vehicle is always eliminated, and the vehicle noise and the running resistance are reduced.
【図１】図１は本発明の外幌の第１実施例を示す水平方
向の断面図である。FIG. 1 is a horizontal cross-sectional view showing a first embodiment of an outer hood of the present invention.
【図２】図２は図１に示す外幌の拡大図である。FIG. 2 is an enlarged view of the outer hood shown in FIG.
【図３】図３はカ−ブ時における外幌の変形の状態を示
す断面図である。FIG. 3 is a cross-sectional view showing a deformed state of the outer hood at the time of carving.
【図４】図４は本発明の外幌の第１実施例の変形例を示
す部分断面図である。FIG. 4 is a partial cross-sectional view showing a modified example of the first embodiment of the outer hood of the present invention.
【図５】図５は本発明の外幌の第２実施例を示す水平方
向の断面図である。FIG. 5 is a horizontal sectional view showing a second embodiment of the outer hood of the present invention.
【図６】図６は従来の外幌の水平方向の断面図である。FIG. 6 is a horizontal cross-sectional view of a conventional outer hood.
Ａ、Ｂ、Ｃ‥‥ゴムブロックの表面、 １‥‥ゴムブロック、 ２、２1 ‥‥Ｂ面の略中央の溝、 ３‥‥ゴム膜、 ４‥‥合成繊維製の補強層、 ５‥‥ブラケット、 ６‥‥受金具、 ７‥‥受金具の突起、 ８‥‥ブラケットの孔、 ９‥‥ボルト、 １０‥‥ナット、 １１‥‥凹部、 １２‥‥凸部。A, B, C: Surface of rubber block, 1 ... Rubber block, 2, 2 1 ... Groove at approximately center of B surface, 3 ... Rubber film, 4 ... Reinforcing layer made of synthetic fiber, 5 ... Brackets, 6 brackets, 7 bracket projections, 8 bracket holes, 9 bolts, 10 nuts, 11 concave parts, 12 convex parts.
Claims (3)
着される外幌構造であって、車両端部に装着される平坦
なＡ面部と、車両側面と略同一面となるＢ面部と、Ａ面
部と略平行なＣ面部と、Ｂ面の略中央が肉薄部となす断
面溝型をなすゴムブロックと、前記溝型側にゴム膜を形
成して膨満可能な袋部とし、車両の走行時に袋部内に空
気を導入して膨満し、Ｃ面部を接触させて隙間をなくし
たことを特徴とする車体騒音と走行抵抗を低減した車両
の外幌構造。1. An outer hood structure to be mounted on opposite edges of a connecting portion of a vehicle, wherein a flat A surface portion is mounted to a vehicle end portion, and a B surface portion that is substantially flush with a vehicle side surface. A C-side portion that is substantially parallel to the A-side portion, a rubber block that has a groove-shaped cross section in which the center of the B-side is a thin portion, and a rubber film that is formed on the groove-type side to form an inflatable bag portion, and the vehicle travels. An outer hood structure for a vehicle with reduced vehicle noise and running resistance, which is characterized by the fact that air is sometimes introduced into the bag to inflate it and the C-face is brought into contact to eliminate the gap.
内に合成繊維製の補強層を埋設した請求項第１項記載の
車両の外幌構造。2. The outer hood structure for a vehicle according to claim 1, wherein a reinforcing layer made of synthetic fiber is embedded in the rubber film and the rubber block which form the bag portion.
硫接着させた請求項第１項記載の車両の外幌構造。3. The outer hood structure for a vehicle according to claim 1, wherein a mounting bracket for mounting on the vehicle is vulcanized and adhered to the A surface portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11600594A JP3574678B2 (en) | 1994-05-01 | 1994-05-01 | Outer hood structure of vehicle with reduced body noise and running resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11600594A JP3574678B2 (en) | 1994-05-01 | 1994-05-01 | Outer hood structure of vehicle with reduced body noise and running resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07300070A true JPH07300070A (en) | 1995-11-14 |
| JP3574678B2 JP3574678B2 (en) | 2004-10-06 |
Family
ID=14676482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11600594A Expired - Lifetime JP3574678B2 (en) | 1994-05-01 | 1994-05-01 | Outer hood structure of vehicle with reduced body noise and running resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3574678B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007055384A (en) * | 2005-08-23 | 2007-03-08 | Bridgestone Corp | Outside hood structure for vehicle connection portion |
| JP2007076563A (en) * | 2005-09-15 | 2007-03-29 | Bridgestone Corp | Exterior hood structure for vehicle connection |
| JP2007112171A (en) * | 2005-10-18 | 2007-05-10 | Hitachi Ltd | Passage inner wall structure and rail vehicle having the same |
| JP2008238890A (en) * | 2007-03-26 | 2008-10-09 | Railway Technical Res Inst | Scarlet structure of the vehicle |
| CN110435691A (en) * | 2019-08-30 | 2019-11-12 | 株洲时代新材料科技股份有限公司 | A kind of method and rail vehicle outer hood improving rail vehicle outer hood air-tightness |
| CN111114567A (en) * | 2018-10-30 | 2020-05-08 | 河北昊德橡塑有限公司 | Rubber structure for bullet train windshield and forming method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6116168A (en) * | 1984-06-30 | 1986-01-24 | 横浜ゴム株式会社 | Joint |
| JPH0270573A (en) * | 1988-09-07 | 1990-03-09 | Hitachi Ltd | vehicle coupler |
| JPH0367266U (en) * | 1989-10-25 | 1991-07-01 | ||
| JPH06199233A (en) * | 1992-02-28 | 1994-07-19 | Hitachi Ltd | Structure of car coupling part |
-
1994
- 1994-05-01 JP JP11600594A patent/JP3574678B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6116168A (en) * | 1984-06-30 | 1986-01-24 | 横浜ゴム株式会社 | Joint |
| JPH0270573A (en) * | 1988-09-07 | 1990-03-09 | Hitachi Ltd | vehicle coupler |
| JPH0367266U (en) * | 1989-10-25 | 1991-07-01 | ||
| JPH06199233A (en) * | 1992-02-28 | 1994-07-19 | Hitachi Ltd | Structure of car coupling part |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007055384A (en) * | 2005-08-23 | 2007-03-08 | Bridgestone Corp | Outside hood structure for vehicle connection portion |
| JP2007076563A (en) * | 2005-09-15 | 2007-03-29 | Bridgestone Corp | Exterior hood structure for vehicle connection |
| JP2007112171A (en) * | 2005-10-18 | 2007-05-10 | Hitachi Ltd | Passage inner wall structure and rail vehicle having the same |
| JP2008238890A (en) * | 2007-03-26 | 2008-10-09 | Railway Technical Res Inst | Scarlet structure of the vehicle |
| CN111114567A (en) * | 2018-10-30 | 2020-05-08 | 河北昊德橡塑有限公司 | Rubber structure for bullet train windshield and forming method thereof |
| 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 |
| CN110435691A (en) * | 2019-08-30 | 2019-11-12 | 株洲时代新材料科技股份有限公司 | A kind of method and rail vehicle outer hood improving rail vehicle outer hood air-tightness |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3574678B2 (en) | 2004-10-06 |
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