JP2000289610A - Railcar underframe - Google Patents
Railcar underframeInfo
- Publication number
- JP2000289610A JP2000289610A JP11102145A JP10214599A JP2000289610A JP 2000289610 A JP2000289610 A JP 2000289610A JP 11102145 A JP11102145 A JP 11102145A JP 10214599 A JP10214599 A JP 10214599A JP 2000289610 A JP2000289610 A JP 2000289610A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- vehicle body
- floor plate
- width direction
- underframe
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 229910001234 light alloy Inorganic materials 0.000 abstract description 9
- 230000010355 oscillation Effects 0.000 abstract 2
- 238000013016 damping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鉄道車両の台枠に
係り、特に高速で走行するものに好適な鉄道車両の台枠
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railway vehicle underframe, and more particularly to a railway vehicle underframe suitable for high-speed running.
【０００２】[0002]
【従来の技術】従来、鉄道車両における台枠上面に設置
される車内側床板は、台車振動周波数及び床下機器の駆
動周波数と該車内側床板の固有振動数に関して、十分配
慮されていなかった。2. Description of the Related Art Hitherto, in consideration of the vibration frequency of bogies, the driving frequency of underfloor equipment, and the natural frequency of the vehicle interior floor plates, sufficient consideration has not been given to the interior floor plates installed on the underframes of railway vehicles.
【０００３】なお、この種の鉄道車両の台枠構造として
は、日立評論ＶＯＬ．７３ Ｎｏ．３ 第７頁〜第１２
頁に記載されているものが挙げられる。[0003] The underframe structure of this type of railway vehicle is disclosed in Hitachi Review, Vol. 73 No. 3 Page 7 to 12
Page.
【０００４】[0004]
【発明が解決しようとする課題】鉄道車両の高速化に伴
い、軌道への衝撃の増大、走行時に発生する騒音の増
大、運転動力費の増大などの問題が生じる。これらの問
題点を解決するために、鉄道車両を軽量化及び静音化す
ることが必要不可欠である。With the speeding up of railway vehicles, problems such as an increase in impact on a track, an increase in noise generated during traveling, and an increase in operating power cost arise. In order to solve these problems, it is indispensable to reduce the weight and noise of railway vehicles.
【０００５】従来、鉄道車両構体は、軽量化のため、軽
合金製の押出し形材を採用した骨部材および外板部材に
よって構成している。ところが、車内の静音化のために
は、軽合金製の押出し形材の透過損失に限界があるた
め、軽合金製の押出し形材の車内側に制振材を貼付して
いた。特に、鉄道車両構体を構成する台枠は、車内騒音
を低減するために前記制振材を多く用いている。しか
し、軽合金製の押出し形材を採用した台枠の場合、車内
構造が複雑なため、制振材の取付けに多大な製作工数を
要していた。[0005] Conventionally, a railway vehicle structure is composed of a bone member and an outer plate member which employ extruded members made of light alloy to reduce the weight. However, in order to reduce noise inside the vehicle, there is a limit to the transmission loss of the extruded light alloy material, so that a vibration damping material is attached to the inside of the extruded light alloy material. In particular, underframes constituting a railway vehicle structure often use the above-mentioned damping material in order to reduce in-vehicle noise. However, in the case of an underframe employing a light-alloy extruded profile, a large number of man-hours are required for mounting the damping material due to the complicated interior structure of the vehicle.
【０００６】本発明の目的は、車内騒音を簡単な構造で
低減し得る鉄道車両の台枠を提供することにある。An object of the present invention is to provide a railcar underframe capable of reducing in-vehicle noise with a simple structure.
【０００７】[0007]
【課題を解決するための手段】前記目的は、台枠の上面
に設置される車内側床板と前記車内側床板を支持する根
太の間に、防振用弾性体を設け、前記車内側床板を車体
幅方向及び車体長手方向に不連続に配設したことによ
り、達成される。The object of the present invention is to provide an anti-vibration elastic body between a car interior floor plate installed on an upper surface of an underframe and a joist supporting the car interior floor plate. This is achieved by being arranged discontinuously in the vehicle body width direction and the vehicle body longitudinal direction.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施例を図１ない
し図５によって説明する。図１は本発明を適用した鉄道
車両の床の平面図である。図２は本発明を適用した鉄道
車両の床の車体幅方向における断面図で、図１のＡ−Ａ
部断面図である。図３は本発明を適用した鉄道車両の床
の車体長手方向における断面図で、図１のＢ−Ｂ部断面
図であるある。図４は本発明を適用した鉄道車両の斜視
図である。図４は本発明を適用した鉄道車両の断面斜視
図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a plan view of a floor of a railway vehicle to which the present invention is applied. FIG. 2 is a cross-sectional view of a floor of a railway vehicle to which the present invention is applied in a vehicle width direction.
It is a fragmentary sectional view. FIG. 3 is a cross-sectional view of a floor of a railway vehicle to which the present invention is applied in a vehicle longitudinal direction, and is a cross-sectional view taken along the line BB of FIG. FIG. 4 is a perspective view of a railway vehicle to which the present invention is applied. FIG. 4 is a sectional perspective view of a railway vehicle to which the present invention is applied.
【０００９】本発明を適用した鉄道車両構体１は図４及
び図５に示すように、台枠２、側構体３、屋根構体４お
よび妻構体５から構成されている。本発明の実施例にお
ける床６は、図１ないし図３に示すように、軽合金製の
車外側床板７と軽合金製の車内側床板８から構成され、
前記車外側床板７には、前記車内側床板８を支持するた
めの根太９が車体長手方向に渡って配設されている。前
記軽合金製の車外側床板７はアルミニウム製の押し出し
型材で構成されたもので車端圧縮荷重及び圧力荷重など
に耐える強度部材である。一方、前記車内側床板８は、
おもに室内の座席荷重及び乗客荷重等の垂直荷重を受け
持つ部材であり、アルミニウム製接着ハニカムパネルに
よって構成されている。また、前記根太９は前記車外側
床板７に一体に形成された押し出し型材あるいは別部材
の骨部材である。図２に示した弾性体１０は、前記根太
９と車内側床板８の間に設置されるゴム等からなり、防
振用の弾性体である。ここで、前記車内側床板８は車体
幅方向の寸法が車体幅を三分割した長さに構成されてお
り、車体幅方向に不連続に複数枚配設されている。本実
施例においては車体幅方向に３列としている。隣接する
前記車内側床板８の間隔は、走行中の前記車内側床板８
の変形量を考慮して設定するもので、隣接する前記車内
側床板８同士の隙間には、ゴム等の弾性体１１を埋設す
る。As shown in FIGS. 4 and 5, a railway vehicle structure 1 to which the present invention is applied is composed of an underframe 2, a side structure 3, a roof structure 4, and a wife structure 5. As shown in FIGS. 1 to 3, the floor 6 in the embodiment of the present invention is composed of a light alloy outer floor plate 7 and a light alloy inner floor plate 8,
A joist 9 for supporting the vehicle interior floor plate 8 is provided on the vehicle exterior floor plate 7 in the longitudinal direction of the vehicle body. The outer floor plate 7 made of a light alloy is made of an extruded aluminum member and is a strength member that can withstand a vehicle end compression load and a pressure load. On the other hand, the car interior floor plate 8
It is a member mainly responsible for vertical loads such as a seat load and a passenger load in a room, and is constituted by an aluminum bonded honeycomb panel. The joist 9 is an extruded member or a separate bone member formed integrally with the vehicle exterior floor plate 7. The elastic body 10 shown in FIG. 2 is made of rubber or the like installed between the joist 9 and the floor plate 8 on the inside of the vehicle, and is an elastic body for vibration isolation. Here, the vehicle interior floor plate 8 has a length in the vehicle width direction divided into three times the vehicle width, and a plurality of the vehicle interior floor plates 8 are arranged discontinuously in the vehicle width direction. In this embodiment, there are three rows in the vehicle width direction. The distance between the adjoining interior floor plates 8 is determined by the distance between the traveling interior floor plates 8
The elastic body 11 such as rubber is buried in the gap between the adjacent vehicle interior floor plates 8.
【００１０】本発明の床構造６により、台車及び床下機
器から前記車外側床板７及び根太９を経由して車内側へ
伝播する振動を前記弾性体１０及び前記弾性体１１によ
り低減することができる。したがって、車内側床板８が
振動することにより客室内へ放射される音圧を低減する
ことができるため、鉄道車両の車内の静音化を図ること
ができる。According to the floor structure 6 of the present invention, the vibrations propagating from the bogie and the underfloor equipment to the vehicle interior via the vehicle exterior floor plate 7 and the joist 9 can be reduced by the elastic members 10 and 11. . Therefore, the sound pressure radiated into the passenger compartment due to the vibration of the vehicle interior floor plate 8 can be reduced, so that the interior of the railway vehicle can be made quieter.
【００１１】また、前記車内側床板８は車体幅方向につ
いて３列配置した不連続な構造となっているため、台車
及び床下機器から前記車外側床板７及び根太９を経由し
て車内側へ伝播する振動が隣接する他の前記車内側床板
８へ伝播する割合はきわめて小さくなる。したがって、
車内側床板８が振動することにより客室内へ放射される
音圧を低減することができるため、鉄道車両の車内の静
音化を図ることができる。Further, since the vehicle interior floor plate 8 has a discontinuous structure in which three rows are arranged in the vehicle width direction, it propagates from the bogie and underfloor equipment to the vehicle interior through the vehicle exterior floor plate 7 and the joist 9. The rate at which the vibrating vibration propagates to the adjacent inner floor plate 8 becomes extremely small. Therefore,
Since the sound pressure radiated into the passenger compartment due to the vibration of the vehicle interior floor panel 8 can be reduced, the noise in the vehicle of the railway vehicle can be reduced.
【００１２】さらに、前記車内側床板８は車体幅方向及
び車体長手方向の寸法を、該車内側床板８自体の固有振
動数が台車振動周波数及び床下機器の駆動周波数に対し
てずれる長さに設計することにより、前記車内側床板８
の固有振動数を容易にかつ確実にずらすことができる。
したがって、車内側床板８が振動することにより客室内
へ放射される音圧を低減することができるため、鉄道車
両の車内の静音化を図ることができる。Further, the interior floor plate 8 is designed to have dimensions in the vehicle width direction and the vehicle body longitudinal direction such that the natural frequency of the interior floor plate 8 itself deviates from the bogie vibration frequency and the driving frequency of the underfloor equipment. By doing so, the floor plate 8
Can be easily and reliably shifted.
Therefore, the sound pressure radiated into the passenger compartment due to the vibration of the vehicle interior floor plate 8 can be reduced, so that the interior of the railway vehicle can be made quieter.
【００１３】さらに、前記車内側床板８は車体幅方向及
び車体長手方向に適切な寸法とすることによって、台車
振動及び床下機器の駆動振動の影響の大きい部分のみに
配設する構造とすることが可能である。したがって、車
内側床板８が振動することにより客室内へ放射される音
圧を必要最小限の質量増加で低減することができるた
め、鉄道車両の車内の静音化を図ることができるうえ、
軽量化及び製作コストの低減を図ることができる。Further, the inside floor plate 8 may have an appropriate size in the width direction of the vehicle body and the longitudinal direction of the vehicle body so as to be provided only in a portion where the vibration of the bogie and the driving vibration of the underfloor equipment are large. It is possible. Therefore, the sound pressure radiated into the passenger compartment due to the vibration of the inner floor plate 8 can be reduced with a minimum increase in mass, so that the noise in the railcar can be reduced.
Weight reduction and reduction of manufacturing cost can be achieved.
【００１４】次に、本発明を適用した他の実施例を図６
及び図７により説明する。図６は本発明を適用した他の
実施例を示す鉄道車両の床の平面図である。図７は本発
明を適用した他の実施例を示す鉄道車両の床の車体長手
方向における断面図で、図６のＣ−Ｃ部断面図である。
図６に示した床支持部材１２は、根太９と台枠の幅方向
端部との中間位置に配設されており、該床支持部材１２
の上方にはゴム等からなる弾性体１０が設置され、前記
車内側床板８が設置される。前記車内側床板８同士の車
体長手方向の接合は、充填された弾性体１１を挟んで、
それぞれ前記床支持部材１２にねじ等により機械的結合
される。この接合構造により、隣接する前記車内側床板
８同士の車体長手方向は構造上不連続となる。したがっ
て、前記一実施例に比較して、さらによりいっそう、台
車及び床下機器から前記車外側床板７及び根太９を経由
して前記車内側床板８へ伝播した振動を前記弾性体１０
及び前記弾性体１１により他の前記車内側床板８へ伝播
するのを抑制することができる。したがって、車内側床
板８が振動することにより客室内へ放射される音圧を低
減することができるため、鉄道車両の車内の静音化を図
ることができる。Next, another embodiment to which the present invention is applied is shown in FIG.
And FIG. FIG. 6 is a plan view of a floor of a railway vehicle showing another embodiment to which the present invention is applied. FIG. 7 is a cross-sectional view of a floor of a railway vehicle in a longitudinal direction of a vehicle, showing another embodiment to which the present invention is applied, and is a cross-sectional view taken along the line CC of FIG.
The floor support member 12 shown in FIG. 6 is disposed at an intermediate position between the joist 9 and the end in the width direction of the underframe.
An elastic body 10 made of rubber or the like is installed above the vehicle, and the vehicle interior floor plate 8 is installed. The joining of the car interior floor plates 8 in the longitudinal direction of the vehicle body is performed with the filled elastic body 11 interposed therebetween.
Each is mechanically connected to the floor support member 12 by a screw or the like. Due to this joint structure, the longitudinal direction of the vehicle body between the adjacent vehicle interior floor plates 8 is structurally discontinuous. Therefore, as compared with the one embodiment, the vibration transmitted from the bogie and the underfloor equipment to the vehicle interior floor plate 8 via the vehicle exterior floor plate 7 and the joist 9 is further enhanced by the elastic body 10.
In addition, the elastic body 11 can suppress the propagation to the other vehicle interior floor plate 8. Therefore, the sound pressure radiated into the passenger compartment due to the vibration of the vehicle interior floor plate 8 can be reduced, so that the interior of the railway vehicle can be made quieter.
【００１５】[0015]
【発明の効果】以上、説明したように本発明によれば、
車内の静音化が図れる鉄道車両構体を提供することがで
きる。As described above, according to the present invention,
It is possible to provide a railway vehicle structure capable of reducing noise in a vehicle.
【図１】本発明による鉄道車両構体の一実施例を示した
床の平面図である。FIG. 1 is a plan view of a floor showing an embodiment of a railway vehicle structure according to the present invention.
【図２】本発明による鉄道車両構体の一実施例を示した
車体幅方向断面図である。FIG. 2 is a cross-sectional view in the vehicle body width direction showing one embodiment of the railway vehicle structure according to the present invention.
【図３】本発明による鉄道車両構体の一実施例を示した
車体長手方向断面図である。FIG. 3 is a longitudinal sectional view of a vehicle body structure according to an embodiment of the present invention.
【図４】本発明を適用した鉄道車両の斜視図である。FIG. 4 is a perspective view of a railway vehicle to which the present invention is applied.
【図５】本発明を適用した鉄道車両の断面斜視図であ
る。FIG. 5 is a sectional perspective view of a railway vehicle to which the present invention is applied.
【図６】本発明による鉄道車両構体の他の一実施例を示
した床の平面図である。FIG. 6 is a plan view of a floor showing another embodiment of the railway vehicle structure according to the present invention.
【図７】本発明による鉄道車両構体の他の一実施例を示
した床の車体長手方向断面図である。FIG. 7 is a longitudinal cross-sectional view of a floor showing another embodiment of a railway vehicle structure according to the present invention.
１…鉄道車両構体、２…台枠、３…側構体、４…屋根構
体、５…妻構体、６…床、７…車外側床板、８…車内側
床板、９…根太、１０…弾性体、１１…弾性体、１２…
床支持部材。DESCRIPTION OF SYMBOLS 1 ... Railroad vehicle structure, 2 ... Underframe, 3 ... Side structure, 4 ... Roof structure, 5 ... Wife structure, 6 ... Floor, 7 ... Outside floor plate, 8 ... Inside floor plate, 9 ... Joist, 10 ... Elastic body , 11 ... elastic body, 12 ...
Floor support members.
Claims (4)
くとも車体幅方向に不連続に配設し、車体長手方向にお
いて、前記車内側床板と車内側床板を支持する根太の間
に防振用弾性体を設け、かつ、車体幅方向において、隣
接する前記車内側床板間に防振用弾性体を設けことを特
徴とする鉄道車両の台枠。An interior floor plate installed on an upper surface of an underframe is disposed discontinuously at least in a width direction of a vehicle body, and is provided between the interior floor plate and a joist supporting the interior side floor plate in a longitudinal direction of the vehicle body. An underframe for a railway vehicle, comprising: a vibration-absorbing elastic body; and a vibration-proof elastic body provided between adjacent vehicle interior floor plates in the vehicle width direction.
を少なくとも車体幅方向に不連続に配設し、車体長手方
向において、前記車内側床板と車内側床板を支持する根
太の間に防振用弾性体を設け、かつ、車体幅方向におい
て、隣接する前記車内側床板間に防振用弾性体を設けこ
とを特徴とする鉄道車両の台枠。2. An inboard floor plate installed on an upper surface of a bogie portion of an underframe is disposed discontinuously at least in a width direction of the vehicle body, and between a joist supporting the inboard floor plate and the inboard floor plate in the longitudinal direction of the vehicle body. An underframe for a railway vehicle, wherein an elastic body for vibration isolation is provided on the vehicle body, and the elastic body for vibration isolation is provided between the adjoining inner floor plates in the vehicle width direction.
に対応した台枠の上面側位置に設置される車内側床板を
少なくとも車体幅方向に不連続に配設し、車体長手方向
において、前記車内側床板と車内側床板を支持する根太
の間に防振用弾性体を設け、かつ、車体幅方向におい
て、隣接する前記車内側床板間に防振用弾性体を設けこ
とを特徴とする鉄道車両の台枠。3. A vehicle interior floor plate disposed at an upper surface side position of the underframe corresponding to an installation position of an electric component under the floor of the underframe is disposed discontinuously at least in a width direction of the vehicle body, and is disposed in a longitudinal direction of the vehicle body. , An elastic body for vibration isolation is provided between the inner floor board and a joist supporting the inner floor board, and an elastic body for vibration isolation is provided between the adjacent inner floor boards in the vehicle width direction. Undercarriage of railway vehicle.
とも車体幅方向に不連続に配設し、車体長手方向におい
て、前記車内側床板と車内側床板を支持する根太の間に
防振用弾性体を設け、かつ、車体幅方向において、隣接
する前記車内側床板間に防振用弾性体を設け、かつ、前
記車内側床板はその車体幅方向及び車体長手方向の寸法
を台車振動周波数及び床下機器の駆動周波数に対して該
車内側床板の固有振動数をずらした長さとしたことを特
徴とする鉄道車両の台枠。4. A vehicle interior floor plate installed on an underframe upper surface is disposed discontinuously at least in a vehicle body width direction, and a vibration isolator is provided between said vehicle interior floor plate and a joist supporting said vehicle interior floor plate in a vehicle body longitudinal direction. The elastic body for vibration is provided, and the elastic body for vibration isolation is provided between the adjoining inner floor boards in the width direction of the vehicle body, and the inner floor panel measures the size of the width direction of the vehicle body and the longitudinal direction of the vehicle body as the bogie vibration frequency. And an underframe for a railway vehicle, wherein the natural frequency of the floor plate inside the vehicle is shifted with respect to the drive frequency of the underfloor equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11102145A JP2000289610A (en) | 1999-04-09 | 1999-04-09 | Railcar underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11102145A JP2000289610A (en) | 1999-04-09 | 1999-04-09 | Railcar underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000289610A true JP2000289610A (en) | 2000-10-17 |
Family
ID=14319595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11102145A Pending JP2000289610A (en) | 1999-04-09 | 1999-04-09 | Railcar underframe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000289610A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006240414A (en) * | 2005-03-02 | 2006-09-14 | Central Japan Railway Co | Anti-vibration floor structure for railway vehicles |
| JP2006240482A (en) * | 2005-03-03 | 2006-09-14 | Hitachi Ltd | Railway car body |
| JP2007015605A (en) * | 2005-07-08 | 2007-01-25 | Hitachi Ltd | Rail vehicle floor structure |
| JP2007069664A (en) * | 2005-09-05 | 2007-03-22 | Central Japan Railway Co | Vibration isolating floating floor structure |
| JP2008018921A (en) * | 2006-06-16 | 2008-01-31 | Central Japan Railway Co | Vibration-proof floating floor structure |
| JP2012166628A (en) * | 2011-02-11 | 2012-09-06 | Nippon Sharyo Seizo Kaisha Ltd | Railway vehicle body |
| CN114104021A (en) * | 2021-11-30 | 2022-03-01 | 中车浦镇庞巴迪运输系统有限公司 | Modularization floor mounting structure |
| WO2022074752A1 (en) * | 2020-10-07 | 2022-04-14 | 株式会社日立製作所 | Railway vehicle |
-
1999
- 1999-04-09 JP JP11102145A patent/JP2000289610A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006240414A (en) * | 2005-03-02 | 2006-09-14 | Central Japan Railway Co | Anti-vibration floor structure for railway vehicles |
| JP2006240482A (en) * | 2005-03-03 | 2006-09-14 | Hitachi Ltd | Railway car body |
| JP2007015605A (en) * | 2005-07-08 | 2007-01-25 | Hitachi Ltd | Rail vehicle floor structure |
| JP2007069664A (en) * | 2005-09-05 | 2007-03-22 | Central Japan Railway Co | Vibration isolating floating floor structure |
| JP2008018921A (en) * | 2006-06-16 | 2008-01-31 | Central Japan Railway Co | Vibration-proof floating floor structure |
| JP2012166628A (en) * | 2011-02-11 | 2012-09-06 | Nippon Sharyo Seizo Kaisha Ltd | Railway vehicle body |
| WO2022074752A1 (en) * | 2020-10-07 | 2022-04-14 | 株式会社日立製作所 | Railway vehicle |
| CN114104021A (en) * | 2021-11-30 | 2022-03-01 | 中车浦镇庞巴迪运输系统有限公司 | Modularization floor mounting structure |
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