JP6959836B2 - End closing plate for railroad vehicles - Google Patents

End closing plate for railroad vehicles Download PDF

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JP6959836B2
JP6959836B2 JP2017218684A JP2017218684A JP6959836B2 JP 6959836 B2 JP6959836 B2 JP 6959836B2 JP 2017218684 A JP2017218684 A JP 2017218684A JP 2017218684 A JP2017218684 A JP 2017218684A JP 6959836 B2 JP6959836 B2 JP 6959836B2
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closing plate
end closing
frame body
heater
lower frame
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JP2019089421A (en
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創 國廣
奈津季 浜中
満生 奥野
有司 上野
忠 藤井
英人 讃井
日貴 岡田
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Hitachi Ltd
Central Japan Railway Co
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Hitachi Ltd
Central Japan Railway Co
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Description

本発明は、鉄道車両用端部塞ぎ板に関し、例えば鉄道車両を支持する台車の前後に備えられるとともに、着雪を抑制するヒータ装置を備える鉄道車両用端部塞ぎ板に関する。 The present invention relates to an end closing plate for a railway vehicle, for example, an end closing plate for a railway vehicle provided in front of and behind a bogie that supports the railway vehicle and provided with a heater device that suppresses snow accretion.

鉄道車両が降雪地帯を走行する場合、鉄道車両の床部を構成する台枠の下方に備えられる台車や、床下機器を覆うカバー等に付着した雪が成長して雪塊となることがある。鉄道車両の台枠の下方に付着した雪塊は、降雪地帯を通過した後、比較的温暖な地域を走行する際の気温上昇および走行に伴う振動等によって軌道上に落下する場合がある。高速で走行する鉄道車両から落下した雪塊によって跳ね飛ばされたバラスト（軌道に敷設される砕石など）は、自鉄道車両や対向する鉄道車両、さらには、軌道敷地外の沿線に飛散して沿線に被害をもたらすおそれがある。 When a railroad vehicle travels in a snowfall area, the snow adhering to the bogie provided below the underframe constituting the floor of the railroad vehicle, the cover covering the underfloor equipment, and the like may grow and form a snow mass. After passing through the snowfall area, the snow mass adhering to the lower part of the underframe of the railroad vehicle may fall on the track due to the temperature rise when traveling in a relatively warm area and the vibration caused by the traveling. Ballast (such as crushed stones laid on the track) that is bounced off by a snow mass that has fallen from a high-speed railroad car is scattered along the railroad car, the oncoming railroad car, and the railway line outside the track site. May cause damage to.

特許文献１に、鉄道車両の床下、特に、台車部に付着した氷雪を融解させるための鉄道車両用融雪装置が開示されている。この文献によれば、この鉄道車両用融雪装置は、線状ヒータとケーシングと塞ぎ板とを備え、このケーシングは、車両長手方向における車体側の第一の面と、この第一の面の反対側で塞ぎ板により塞がれる第二の面と、この第二の面側に設けられた、線状ヒータを取り付けるためのガイド溝と、を有し、線状ヒータがケーシングと塞ぎ板により覆われることを特徴としている。 Patent Document 1 discloses a snow melting device for a railway vehicle for melting ice and snow adhering to the underfloor of a railway vehicle, particularly to a bogie portion. According to this document, the railcar snowmelter comprises a linear heater, a casing and a closing plate, the casing being the first surface on the vehicle body side in the longitudinal direction of the vehicle and the opposite of this first surface. It has a second surface that is closed by a closing plate on the side, and a guide groove for attaching a linear heater provided on the second surface side, and the linear heater is covered by a casing and a closing plate. It is characterized by being smelted.

特開２０１３−９１４８５号公報Japanese Unexamined Patent Publication No. 2013-91485

鉄道車両の台車においては、軌道の水平面内の曲率に追随して旋回する台車の旋回動作や、軌道の垂直面内の縦曲線に追随する台車のピッチング動作を許容するため、台車の周囲には空隙部が備えられる。この空隙部は、台車の上方に位置する鉄道車両の台枠の下面と、この下面の幅方向の両端部から垂下するとともに台車の側方を覆う側スカートと、この下面の長手（前後）方向の両端部に備えられるとともに台車の長手方向の端部を覆う端部塞ぎ板とによって区画される。 In the bogie of a railroad vehicle, in order to allow the turning motion of the bogie that follows the curvature in the horizontal plane of the track and the pitching motion of the bogie that follows the vertical curve in the vertical plane of the track, the bogie is surrounded by the bogie. A gap is provided. This gap is formed by the lower surface of the underframe of the railroad vehicle located above the bogie, the side skirts that hang from both ends in the width direction of the lower surface and cover the sides of the bogie, and the longitudinal (front-rear) direction of the lower surface. It is provided at both ends of the bogie and is partitioned by an end closing plate that covers the longitudinal end of the bogie.

台車の前後に位置する端部塞ぎ板は、鉄道車両の走行に伴って、氷雪を含む空気の流れが衝突しやすい部位なので特に着雪量が多い。さらに、空隙部に対応する台枠の下面の長手方向の端部と側スカートの上端部と端部塞ぎ板の幅方向の端部が近接する隅部等には雪塊が成長しやすい。 The end closing plates located in front of and behind the bogie have a particularly large amount of snow accretion because they are the parts where the air flow including ice and snow easily collides with the running of the railway vehicle. Further, snow lumps are likely to grow in the corners and the like where the longitudinal end of the lower surface of the underframe corresponding to the gap, the upper end of the side skirt, and the widthwise end of the end closing plate are close to each other.

このため、加熱源として線状ヒータ（発熱体）を備える端部塞ぎ板は、加熱効率が高く、線状ヒータを端部塞ぎ板のあらゆる周縁部に敷設することによって、端部塞ぎ板の全面において融雪効果を備えることが望ましい。可撓性があり筺体の形状に合わせて自在に形態を変更できる線状ヒータを、線状ヒータを内蔵するヒータ装置の筺体内部に、簡便に敷設且つ固定できる構造を提供する点において解決すべき課題がある。 For this reason, the end closing plate provided with a linear heater (heat generator) as a heating source has high heating efficiency, and by laying the linear heater on all peripheral edges of the end closing plate, the entire surface of the end closing plate is provided. It is desirable to have a snow melting effect in. It should be solved in that a linear heater that is flexible and can be freely changed in shape according to the shape of the housing can be easily laid and fixed inside the housing of the heater device incorporating the linear heater. There are challenges.

本発明の課題は、限られたスペースに配置され限られた熱量を持つ線状発熱体を用いた簡素な構成ながら、高い加温効率を発揮でき、その隅々まで加熱できることによる高い融雪効率を備えるとともに、作業性が良く小さい製作工数で製作できる低コストの鉄道車両用端部塞ぎ板を提供することである。 An object of the present invention is to achieve high heating efficiency and high snowmelt efficiency by being able to heat every corner of the heating element while having a simple structure using a linear heating element which is arranged in a limited space and has a limited amount of heat. In addition to providing, it is to provide a low-cost end closing plate for railroad vehicles that has good workability and can be manufactured with a small manufacturing man-hour.

上記課題を解決するために、代表的な本発明の鉄道車両用端部塞ぎ板の一つは、
鉄道車両の台車の前後に備えられる鉄道車両用端部塞ぎ板において、
前記鉄道車両用端部塞ぎ板は、
下枠体と、
前記下枠体に嵌合する上枠体と、
前記下枠体に備えられる断熱材と、
前記断熱材の上面に備えられるヒータ保持部と、
前記ヒータ保持部に備えられる線状発熱体と、
を備え、
前記ヒータ保持部は、
一対の梯子状の水平部と、
前記梯子状の水平部の幅方向の両端部どうしを接続するとともに高さ方向に沿って幅方向に隔置される一対の垂直部と、
からなるフレーム体であり、
前記線状発熱体は、
前記梯子状の水平部に高さ方向に沿ってたすき状に備えらえることにより達成される。
また、代表的な本発明の鉄道車両用端部塞ぎ板の一つは、
鉄道車両の台車の前後に備えられる鉄道車両用端部塞ぎ板において、
前記鉄道車両用端部塞ぎ板は、
下枠体と、
前記下枠体に嵌合する上枠体と、
前記下枠体に備えられる断熱材と、
前記断熱材の上面に備えられるヒータ保持部と、
前記ヒータ保持部に備えられる線状発熱体と、
を備え、
前記鉄道車両用端部塞ぎ板は、
前記鉄道車両の幅方向の中央部に備えられる第１端部塞ぎ板と、
前記第１端部塞ぎ板の方向の両端部に備えられる第２端部塞ぎ板と、
を有しており、
前記第１端部塞ぎ板は、レールの長手方向に見て略四角形状部を有しており、
前記第２端部塞ぎ板は、レールの長手方向に見て略正方形状部と前記略正方形状部に接続する略三角形状部とかなる略台形状部を有しており、
前記略四角形状部および前記略正方形状部は、
前記ヒータ保持部に保持される前記線状発熱体を備えており、
前記略三角形状部は、
高さ方向に沿ってつづら折りされる前記線状発熱体に、
幅方向に沿ってつづら折りされる前記線状発熱体を、重ねる態様で収納していることにより達成される。 In order to solve the above problems, one of the typical end closing plates for railway vehicles of the present invention is
In the end closing plate for railroad vehicles provided before and after the bogie of the railroad vehicle
The end closing plate for railway vehicles is
With the lower frame
An upper frame body that fits into the lower frame body and
The heat insulating material provided on the lower frame and
A heater holding portion provided on the upper surface of the heat insulating material and
A linear heating element provided in the heater holding portion and
Equipped with a,
The heater holding portion is
A pair of ladder-shaped horizontal parts and
A pair of vertical portions that connect both ends of the ladder-shaped horizontal portion in the width direction and are separated in the width direction along the height direction.
It is a frame body consisting of
The linear heating element is
This is achieved by providing the ladder-shaped horizontal portion in a plow shape along the height direction.
In addition, one of the representative end closing plates for railway vehicles of the present invention is
In the end closing plate for railroad vehicles provided before and after the bogie of the railroad vehicle
The end closing plate for railway vehicles is
With the lower frame
An upper frame body that fits into the lower frame body and
The heat insulating material provided on the lower frame and
A heater holding portion provided on the upper surface of the heat insulating material and
A linear heating element provided in the heater holding portion and
With
The end closing plate for railway vehicles is
A first end closing plate provided at the center of the railroad vehicle in the width direction,
The second end closing plate provided at both ends in the direction of the first end closing plate, and
Have and
The first end closing plate has a substantially quadrangular portion when viewed in the longitudinal direction of the rail.
The second end closing plate has a substantially trapezoidal portion formed of a substantially square portion and a substantially triangular portion connected to the substantially square portion when viewed in the longitudinal direction of the rail.
The substantially square portion and the substantially square portion are
The linear heating element held by the heater holding portion is provided.
The substantially triangular portion is
To the linear heating element that is zigzag along the height direction,
This is achieved by storing the linear heating elements that are zigzag along the width direction in a stacking manner.

本発明は、以上の構成を備えるため、限られたスペースに配置され限られた熱量を持つ線状発熱体を用いた簡素な構成ながら、高い加温効率を発揮でき、作業性が良く小さい製作工数で製作できる低コストの鉄道車両用端部塞ぎ板を提供することができる。
上記した以外の課題、構成及び効果は、以下の実施形態の説明により明らかにされる。 Since the present invention has the above configuration, it can exhibit high heating efficiency, has good workability, and is small in size, even though it has a simple configuration using a linear heating element that is arranged in a limited space and has a limited amount of heat. It is possible to provide a low-cost end closing plate for a railway vehicle that can be manufactured by man-hours.
Issues, configurations and effects other than those described above will be clarified by the description of the following embodiments.

図１は、鉄道車両を走行可能に支持する台車の前方および後方に備えられるヒータ付端部塞ぎ板の断面図である。FIG. 1 is a cross-sectional view of an end closing plate with a heater provided in front of and behind a bogie that supports a railroad vehicle so as to be travelable. 図２は、ヒータ付端部塞ぎ板の正面図（図１の視Ａ−視Ａ）である。FIG. 2 is a front view of the end closing plate with a heater (view A-view A in FIG. 1). 図３は、ヒータ付端部塞ぎ板（両端部）の正面図であるが、上枠体は取り外した状態で示している。FIG. 3 is a front view of the end closing plate (both ends) with a heater, but the upper frame is shown in a removed state. 図４は、ヒータ付端部塞ぎ板（中央部）の正面図であるが、上枠体は取り外した状態で示している。FIG. 4 is a front view of the end closing plate (center portion) with a heater, but the upper frame is shown in a removed state. 図５は、鉄道車両に搭載されるヒータ付端部塞ぎ板（中央部）の断面図（図３Ｂ−Ｂ断面図）である。FIG. 5 is a cross-sectional view (FIG. 3BB cross-sectional view) of an end closing plate (central portion) with a heater mounted on a railroad vehicle.

以下、図を参照して、本発明の実施の形態を説明する。まず、説明に供する各方向を定義する。鉄道車両の長手方向またはレール方向をＸ方向、鉄道車両の幅方向または枕木方向をＹ方向、鉄道車両の高さ方向をＺ方向とし、以下、単にＸ方向、Ｙ方向、Ｚ方向と記す。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, each direction to be used for explanation is defined. The longitudinal direction or rail direction of the railcar is the X direction, the width direction or sleeper direction of the railcar is the Y direction, the height direction of the railcar is the Z direction, and hereinafter, simply referred to as the X direction, the Y direction, and the Z direction.

図１は、鉄道車両を走行可能に支持する台車の前方および後方に備えられるヒータ付鉄道車両用端部塞ぎ板の断面図である。鉄道車両は、床面をなす台枠１１と、台枠１１のＹ方向の両端部に立設される側構体（図示なし）と、台枠のＸ方向の両端部に立設される妻構体（図示なし）、側構体と妻構体の上端部に載置される屋根構体（図示なし）とからなるとともに乗客等が乗車する鉄道車両構体を有する。鉄道車両の車体１０は、この鉄道車両構体と、鉄道車両構体のＹ方向の両端部の下方に備えられるとともにレール６０上を転動可能な車輪２２を備える台車から構成される。 FIG. 1 is a cross-sectional view of an end closing plate for a railroad vehicle with a heater, which is provided in front of and behind a bogie that supports the railroad vehicle so as to be travelable. Railcars consist of an underframe 11 that forms the floor, side structures (not shown) that are erected at both ends of the underframe 11 in the Y direction, and a wife structure that is erected at both ends of the underframe in the X direction. It consists of a side structure (not shown) and a roof structure (not shown) placed on the upper end of the wife structure, and has a railroad vehicle structure on which passengers and the like ride. The body 10 of a railroad vehicle is composed of the railroad vehicle structure and a bogie provided with wheels 22 provided below both ends of the railroad vehicle structure in the Y direction and capable of rolling on the rail 60.

台枠１１は、そのＹ方向の端部に備えられる端部台枠１１ａと、そのＹ方向の中央部に備えられる中央部台枠１１ｂからなる。台車は、端部台枠１１ａの下方に備えられる。中央部台枠１１ｂは、Ｙ方向に沿って備えられる複数の隔置される横梁１２と床板からなる。横梁１２はその下端部に一体にカーテンレールを有しており、機器４０などがこのカーテンレールを利用して点線で示すようにして固定される。 The underframe 11 includes an end underframe 11a provided at the end in the Y direction and a central underframe 11b provided at the center in the Y direction. The dolly is provided below the end underframe 11a. The central underframe 11b is composed of a plurality of isolated cross beams 12 and a floor plate provided along the Y direction. The cross beam 12 has a curtain rail integrally at the lower end thereof, and the device 40 or the like is fixed by using the curtain rail as shown by a dotted line.

中央部台枠１１ｂからＺ方向に所定の寸法だけ下がった位置に、中央部台枠１１ｂと略平行に下塞ぎ板１７が備えられる。端部台枠１１ａと中央部台枠１１ｂとの接続部１１ｃと、下塞ぎ板１７のＸ方向の端部とは、傾斜する態様で備えられるヒータ付端部塞ぎ板３４（３２）で接続される。尚、一部の機器４１は下塞ぎ板１７の上面に固定される。 A lower closing plate 17 is provided at a position lowered by a predetermined dimension in the Z direction from the central underframe 11b in substantially parallel to the central underframe 11b. The connection portion 11c between the end underframe 11a and the central underframe 11b and the end of the lower closing plate 17 in the X direction are connected by an end closing plate 34 (32) with a heater provided in an inclined manner. NS. Some devices 41 are fixed to the upper surface of the lower closing plate 17.

図２は、ヒータ付端部塞ぎ板の正面図（図１の視Ａ−視Ａ）である。鉄道車両の車体１０は、床面をなす台枠１１と、台枠１１のＹ方向の両端部に立設される側構体２０を有する。側構体２０の下端部には、機器４０の側方を覆う側スカート１８が備えられる。車体１０の床下のＹ方向の両端部に備えられる側スカート１８の下端部には、下塞ぎ板１７が備えられる。台枠１１のＹ方向の端部の上方には、電線樋４２が備えられ、電線樋４２には補助回路等の電線が載置される。 FIG. 2 is a front view of the end closing plate with a heater (view A-view A in FIG. 1). The vehicle body 10 of a railroad vehicle has an underframe 11 forming a floor surface and side structures 20 erected at both ends of the underframe 11 in the Y direction. A side skirt 18 that covers the side of the device 40 is provided at the lower end of the side structure 20. Lower closing plates 17 are provided at the lower ends of the side skirts 18 provided at both ends of the vehicle body 10 under the floor in the Y direction. An electric wire gutter 42 is provided above the end of the underframe 11 in the Y direction, and an electric wire such as an auxiliary circuit is placed on the electric wire gutter 42.

台枠１１をなす端部台枠１１ａと中央部台枠１１ｂとの接続部１１ｃ（図１参照）の下方に、Ｙ方向に沿って水平支持部１５が備えられる。水平支持部１５のＹ方向の中央部に、第１端部塞ぎ板としてヒータ付端部塞ぎ板３４（中央部）が備えられ、水平支持部１５のＹ方向の両端部には、ヒータ付端部塞ぎ板３４（中央部）に隣接する態様で、第２端部塞ぎ板としてヒータ付端部塞ぎ板３２（両端部）が備えられる。このように、ヒータ付端部塞ぎ板３４、３２を３枚に分割して用いることで、１人の作業者が１枚のヒータ付端部塞ぎ板を持ち上げることができ、作業性が高まる。 A horizontal support portion 15 is provided along the Y direction below the connecting portion 11c (see FIG. 1) between the end underframe 11a forming the underframe 11 and the central underframe 11b. An end closing plate 34 (central portion) with a heater is provided at the center of the horizontal support portion 15 in the Y direction as a first end closing plate, and ends with heaters are provided at both ends of the horizontal support portion 15 in the Y direction. An end closing plate 32 (both ends) with a heater is provided as a second end closing plate in a manner adjacent to the portion closing plate 34 (central portion). In this way, by dividing the end closing plates with heaters 34 and 32 into three and using them, one worker can lift one end closing plate with a heater, and workability is improved.

ヒータ付端部塞ぎ板３４（中央部）およびヒータ付端部塞ぎ板３２（両端部）の上端部には、複数のボルト孔１９が備えられており、このボルト孔１９に挿通したボルト（以下、ボルトについては特に図示しないものとする）を用いて、ヒータ付端部塞ぎ板３４（３２）は水平支持部１５に固定される。ヒータ付端部塞ぎ板３４（中央部）およびヒータ付端部塞ぎ板３２（両端部）の下端部は、下塞ぎ板１７とボルトで接続される（図１参照）。 A plurality of bolt holes 19 are provided at the upper ends of the end closing plate 34 with a heater (center portion) and the end closing plate 32 with a heater (both ends), and the bolts inserted through the bolt holes 19 (hereinafter referred to as the bolts). , Bolts are not particularly shown), and the end closing plate 34 (32) with a heater is fixed to the horizontal support portion 15. The lower end portions of the end closing plate 34 with a heater (center portion) and the end closing plate 32 with a heater (both ends) are connected to the lower closing plate 17 with bolts (see FIG. 1).

図３は、ヒータ付端部塞ぎ板（両端部）の正面図であるが、上枠体は取り外した状態で示している。ヒータ付端部塞ぎ板３２（両端部）は、下枠体３７と、下枠体３７に組み合わされる上枠体３８（図５参照）からなる箱状体である。ヒータ付端部塞ぎ板３２（両端部）は略三角形状部３２ａと略正方形部３２ｂを有している。略正方形部３２ｂには、略正方形状のヒータ保持部（ワイヤーフレーム、フレーム体ともいう）３５が格納される。ヒータ保持部３５は、Ｚ方向に隔置される一対の梯子状の水平部３５ａと、水平部３５ａの両端部どうしを接続する一対の垂直部３５ｂからなる枠体である。垂直部３５ｂは、ボルト孔を有するとともにＺ方向に離散的に備えられる複数の固定部３５ｃを有する。 FIG. 3 is a front view of the end closing plate (both ends) with a heater, but the upper frame is shown in a removed state. The end closing plate 32 with a heater (both ends) is a box-shaped body including a lower frame body 37 and an upper frame body 38 (see FIG. 5) combined with the lower frame body 37. The end closing plate 32 with a heater (both ends) has a substantially triangular portion 32a and a substantially square portion 32b. A substantially square heater holding portion (also referred to as a wire frame or frame body) 35 is stored in the substantially square portion 32b. The heater holding portion 35 is a frame body composed of a pair of ladder-shaped horizontal portions 35a spaced apart from each other in the Z direction and a pair of vertical portions 35b connecting both ends of the horizontal portions 35a. The vertical portion 35b has a plurality of fixing portions 35c having bolt holes and discretely provided in the Z direction.

可撓性のある線状発熱体（ラインヒータ）３６は、ヒータ保持部３５の一方の水平部３５ａから他方の水平部３５ａに、Ｚ方向に沿う態様で、たすき状に架け渡されて（一対の水平部３５ａに交互に掛け回されるようにして）高い密度でヒータ保持部（ワイヤーフレーム）３５に保持される。線状発熱体３６を備えるヒータ保持部３５は、下枠体３７に備えられる断熱材３９の上面に載置され、固定部３５ｃを利用して下枠体３７に固定される。これによりヒータ保持部３５を確実にヒータ付端部塞ぎ板３２（両端部）に固定できる。 The flexible linear heating element (line heater) 36 is bridged from one horizontal portion 35a of the heater holding portion 35 to the other horizontal portion 35a in a cross-shaped manner along the Z direction (a pair). It is held by the heater holding portion (wire frame) 35 at a high density (so that it is alternately hung around the horizontal portion 35a of the above). The heater holding portion 35 including the linear heating element 36 is placed on the upper surface of the heat insulating material 39 provided in the lower frame body 37, and is fixed to the lower frame body 37 by using the fixing portion 35c. As a result, the heater holding portion 35 can be reliably fixed to the end closing plate 32 (both ends) with a heater.

ヒータ付端部塞ぎ板３２（両端部）をなす略三角形状部３２ａには、断熱材３９を敷き詰めた後、断熱材３９の上面にＺ方向およびＹ方向につづら折りに収納される線状発熱体３６が固定される。線状発熱体３６は、必要に応じて工業用アルミテープ等で強固に下枠体３７に固定される断熱材３９に固定される。 A linear heating element that is zigzag-folded in the Z and Y directions on the upper surface of the heat insulating material 39 after the heat insulating material 39 is spread over the substantially triangular portion 32a forming the end closing plate 32 (both ends) with a heater. 36 is fixed. The linear heating element 36 is fixed to the heat insulating material 39 which is firmly fixed to the lower frame 37 with industrial aluminum tape or the like, if necessary.

ヒータ付端部塞ぎ板３２（両端部）は、まず、断熱材３９を下枠体３７に固定した後、この断熱材３９の上面にヒータ保持部３５および線状発熱体３６を固定して、同様の形状を有する上枠体３８を下枠体３７に嵌め込んで（嵌合して）、下枠体３７に植設されたボス状の枠体保持部３３を利用してボルト等で機械締結を行って、上枠体３８を下枠体３７に固定することによって組み立てられる。 In the end closing plate 32 with a heater (both ends), first, the heat insulating material 39 is fixed to the lower frame body 37, and then the heater holding portion 35 and the linear heating body 36 are fixed to the upper surface of the heat insulating material 39. An upper frame body 38 having a similar shape is fitted (fitted) into the lower frame body 37, and a machine using a boss-shaped frame body holding portion 33 planted in the lower frame body 37 with a bolt or the like. It is assembled by fastening and fixing the upper frame body 38 to the lower frame body 37.

図４は、ヒータ付端部塞ぎ板（中央部）の正面図であるが、上枠体は取り外した状態で示している。ヒータ付端部塞ぎ板３２（両端部）と同様に、ヒータ付端部塞ぎ板３４（中央部）は、下枠体３７と、下枠体３７に組み合わされる上枠体３８（図５参照）からなる略正方形状の箱状体であり、略正方形状のヒータ保持部（ワイヤーフレーム）３５が格納される。ヒータ保持部３５は、Ｚ方向に隔置される一対の梯子状の水平部３５ａと、水平部３５ａの両端部どうしを接続する一対の垂直部３５ｂからなる枠体である。垂直部３５ｂは、ボルト孔を有するとともにＺ方向に離散的に備えられる複数の固定部３５ｃを有する。 FIG. 4 is a front view of the end closing plate (center portion) with a heater, but the upper frame is shown in a removed state. Similar to the heater-attached end closing plate 32 (both ends), the heater-attached end closing plate 34 (center portion) has a lower frame body 37 and an upper frame body 38 combined with the lower frame body 37 (see FIG. 5). It is a substantially square box-shaped body, and a substantially square heater holding portion (wire frame) 35 is stored. The heater holding portion 35 is a frame body composed of a pair of ladder-shaped horizontal portions 35a spaced apart from each other in the Z direction and a pair of vertical portions 35b connecting both ends of the horizontal portions 35a. The vertical portion 35b has a plurality of fixing portions 35c having bolt holes and discretely provided in the Z direction.

線状発熱体（ラインヒータ）３６は、ヒータ保持部３５の一方の水平部３５ａから他方の水平部３５ａに、Ｚ方向に沿う態様で、たすき状に架け渡されて高い密度でヒータ保持部３５に保持される。線状発熱体３６を備えるヒータ保持部３５は、下枠体３７に備えらえる断熱材３９の上面に載置され、固定部３５ｃを利用して下枠体３７に固定される。これによりヒータ保持部３５を確実にヒータ付端部塞ぎ板３４（中央部）に固定できる。尚、ヒータ保持部３５と線状発熱体３６からなるユニットは、ヒータ付端部塞ぎ板３２、３４で共通に用いても良い。これによりコスト低減を図れる。 The linear heating element (line heater) 36 is bridged from one horizontal portion 35a of the heater holding portion 35 to the other horizontal portion 35a in a cross-shaped manner along the Z direction to have a high density of the heater holding portion 35. Is held in. The heater holding portion 35 provided with the linear heating element 36 is placed on the upper surface of the heat insulating material 39 provided in the lower frame body 37, and is fixed to the lower frame body 37 by using the fixing portion 35c. As a result, the heater holding portion 35 can be reliably fixed to the end closing plate 34 (central portion) with a heater. The unit including the heater holding portion 35 and the linear heating element 36 may be commonly used in the end closing plates 32 and 34 with a heater. This makes it possible to reduce costs.

ヒータ付端部塞ぎ板３４（中央部）は、まず、断熱材３９を下枠体３７に固定した後、この断熱材３９の上面にヒータ保持部３５および線状発熱体３６を固定して、同様の形状を有する上枠体３８を下枠体３７に嵌め込んで（嵌合して）、下枠体３７に植設されたボス状の枠体保持部３３を利用してボルト等で機械締結を行って、上枠体３８を下枠体３７に固定することによって組み立てられる。これにより、ヒータ保持部３５を保護する強固なボックス状のヒータ付端部塞ぎ板３２、３４を提供できる。 In the end closing plate 34 (central portion) with a heater, first, the heat insulating material 39 is fixed to the lower frame body 37, and then the heater holding portion 35 and the linear heating body 36 are fixed to the upper surface of the heat insulating material 39. An upper frame body 38 having a similar shape is fitted (fitted) into the lower frame body 37, and a machine using a boss-shaped frame body holding portion 33 planted in the lower frame body 37 with a bolt or the like. It is assembled by fastening and fixing the upper frame body 38 to the lower frame body 37. Thereby, it is possible to provide a strong box-shaped end closing plate 32, 34 with a heater that protects the heater holding portion 35.

図５は、鉄道車両に搭載されるヒータ付端部塞ぎ板（中央部）の断面図（図３Ｂ−Ｂ断面図）である。ヒータ付端部塞ぎ板（中央部）３４及びヒータ付端部塞ぎ板（両端部）３２は、車輪２２の側に、上枠体３８および線状発熱体３６が面する態様で、台枠１１の下方に備えられる。 FIG. 5 is a cross-sectional view (FIG. 3BB cross-sectional view) of an end closing plate (central portion) with a heater mounted on a railroad vehicle. The end closing plate with a heater (central portion) 34 and the end closing plate with a heater (both ends) 32 have an underframe 11 in such a manner that the upper frame body 38 and the linear heating element 36 face the wheel 22 side. It is provided below.

鉄道車両が降雪地帯を通過する際、台車の近傍に流れ込む氷雪を含んだ空気は、線状発熱体３６によって加熱される上枠体３８に衝突する。しかしながら、上枠体３８が線状発熱体３６によって十分に加熱されているため、台車の前後に備えられるヒータ付端部塞ぎ板３４（３２）に氷雪は直ぐに溶解するので付着することを抑制できる。 When the railroad vehicle passes through the snowfall area, the air containing ice and snow flowing in the vicinity of the bogie collides with the upper frame 38 heated by the linear heating element 36. However, since the upper frame 38 is sufficiently heated by the linear heating element 36, the ice and snow melt immediately on the end closing plates 34 (32) with heaters provided in the front and rear of the carriage, so that it can be suppressed from adhering. ..

上述した構成、つまり、ヒータ保持部３５を利用して線状発熱体３６を高密度でＺ方向に沿ってたすき掛けに備える構成は、アウトワークによる製造を可能にするとともに、小さい製作工数で高密度の発熱体を構成することができる。また、線状発熱体３６を高さ方向に沿ってたすき状に配置することで、車両に振動が発生した場合でも、緩みにくい構成となっている。 The above-mentioned configuration, that is, a configuration in which the linear heating element 36 is provided at a high density along the Z direction by using the heater holding portion 35, enables manufacturing by outwork and requires a small number of man-hours for manufacturing. A density heating element can be constructed. Further, by arranging the linear heating element 36 in a plow shape along the height direction, even if the vehicle vibrates, it is hard to loosen.

さらに、ヒータ保持部３５がカバーできない端部塞ぎ板の周縁部（例えば、ヒータ付端部塞ぎ板３２（両端部）は略三角形状部３２ａ部など）へは、Ｚ方向に沿ってつづら折りにした線状発熱体３６と、Ｙ方向に沿ってつづら折りにした線状発熱体３６を重ねるとともに、必要時に応じて追加の保持手段（工業用アルミテープ等）を施工することによって、端部塞ぎ板の周縁部に至るまで十分加熱することができるので、小さい製作工数で高密度の発熱体を構成することができる。 Further, the peripheral portion of the end closing plate that cannot be covered by the heater holding portion 35 (for example, the end closing plate 32 with a heater (both ends) is a substantially triangular portion 32a, etc.) is zigzag along the Z direction. By stacking the linear heating element 36 and the linear heating element 36 folded in a zigzag along the Y direction and installing additional holding means (industrial aluminum tape, etc.) as needed, the end closing plate can be formed. Since it is possible to sufficiently heat up to the peripheral portion, a high-density heating element can be constructed with a small manufacturing man-hour.

よって、上述した構成によって、限られたスペースに配置され限られた熱量を持つ線状発熱体を用いた簡素な構成ながら、高い加温効率を発揮でき、その隅々まで加熱できることによる高い融雪効率を備えるとともに、作業性が良く小さい製作工数で製作できる低コストのヒータ装置を有する鉄道車両用端部塞ぎ板を提供することができる。 Therefore, with the above-mentioned configuration, high heating efficiency can be exhibited and high snowmelt efficiency due to being able to heat every corner, while having a simple configuration using a linear heating element that is arranged in a limited space and has a limited amount of heat. It is possible to provide an end closing plate for a railway vehicle having a heater device having a low cost and having good workability and being able to be manufactured with a small manufacturing man-hour.

なお、本発明は上記した実施の形態に限定されるものではなく、様々な変形例が含まれる。例えば、上記した実施の形態は本発明を分かりやすく説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。また、ある実施の形態における構成の一部を他の実施の形態の構成に置き換えることが可能であり、また、ある実施の形態の構成に他の実施の形態の構成を加えることも可能である。また、各実施の形態における構成の一部について、他の構成の追加・削除・置換をすることも可能である。 The present invention is not limited to the above-described embodiment, and includes various modifications. For example, the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the described configurations. Further, it is possible to replace a part of the configuration in one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. .. Further, it is also possible to add / delete / replace a part of the configuration in each embodiment with another configuration.

１０…車体、 １１…台枠
１１ａ…端部台枠、 １１ｂ…中央部台枠
１１ｃ…接続部、 １２…横梁
１５…水平支持部、 １７…下塞ぎ板
１８…側スカート、 １９…ボルト孔
２２…車輪、
３２…ヒータ付端部塞ぎ板（Ｙ方向の両端部）、
３２ａ…略三角形状部、 ３２ｂ…略正方形状部
３４…ヒータ付端部塞ぎ板（Ｙ方向の中央部）、
３５…ヒータ保持部（ワイヤーフレーム）、 ３５ａ…水平部
３５ｂ…垂直部、 ３５ｃ…固定部
３６…線状発熱体（ラインヒータ）、 ３３…枠体保持部
３７…下枠体、 ３８…上枠体
３９…断熱材、 ４０、４１…機器
４２…電線樋、 ６０…レール
Ｘ…長手方向（レール方向）、 Ｙ…幅方向（枕木方向）
Ｚ…高さ方向 10 ... Body, 11 ... Underframe 11a ... End underframe, 11b ... Central underframe 11c ... Connection, 12 ... Cross beam 15 ... Horizontal support, 17 ... Lower closing plate 18 ... Side skirt, 19 ... Bolt hole 22 …Wheel,
32 ... End closing plate with heater (both ends in the Y direction),
32a ... substantially triangular portion, 32b ... substantially square portion 34 ... end closing plate with heater (central portion in the Y direction),
35 ... Heater holding part (wire frame), 35a ... Horizontal part 35b ... Vertical part, 35c ... Fixed part 36 ... Linear heating element (line heater), 33 ... Frame body holding part 37 ... Lower frame body, 38 ... Upper frame Body 39 ... Insulation material, 40, 41 ... Equipment 42 ... Electric wire trough, 60 ... Rail X ... Longitudinal direction (rail direction), Y ... Width direction (sleeper direction)
Z ... Height direction

Claims (4)

鉄道車両の台車の前後に備えられる鉄道車両用端部塞ぎ板において、
前記鉄道車両用端部塞ぎ板は、
下枠体と、
前記下枠体に嵌合する上枠体と、
前記下枠体に備えられる断熱材と、
前記断熱材の上面に備えられるヒータ保持部と、
前記ヒータ保持部に備えられる線状発熱体と、
を備え、
前記ヒータ保持部は、
一対の梯子状の水平部と、
前記梯子状の水平部の幅方向の両端部どうしを接続するとともに高さ方向に沿って幅方向に隔置される一対の垂直部と、
からなるフレーム体であり、
前記線状発熱体は、
前記梯子状の水平部に高さ方向に沿ってたすき状に備えらえること
を特徴とする鉄道車両用端部塞ぎ板。 In the end closing plate for railroad vehicles provided before and after the bogie of the railroad vehicle
The end closing plate for railway vehicles is
With the lower frame
An upper frame body that fits into the lower frame body and
The heat insulating material provided on the lower frame and
A heater holding portion provided on the upper surface of the heat insulating material and
A linear heating element provided in the heater holding portion and
Equipped with a,
The heater holding portion is
A pair of ladder-shaped horizontal parts and
A pair of vertical portions that connect both ends of the ladder-shaped horizontal portion in the width direction and are separated in the width direction along the height direction.
It is a frame body consisting of
The linear heating element is
An end closing plate for a railroad vehicle, characterized in that the ladder-shaped horizontal portion is provided in a plow shape along the height direction. 鉄道車両の台車の前後に備えられる鉄道車両用端部塞ぎ板において、
前記鉄道車両用端部塞ぎ板は、
下枠体と、
前記下枠体に嵌合する上枠体と、
前記下枠体に備えられる断熱材と、
前記断熱材の上面に備えられるヒータ保持部と、
前記ヒータ保持部に備えられる線状発熱体と、
を備え、
前記鉄道車両用端部塞ぎ板は、
前記鉄道車両の幅方向の中央部に備えられる第１端部塞ぎ板と、
前記第１端部塞ぎ板の方向の両端部に備えられる第２端部塞ぎ板と、
を有しており、
前記第１端部塞ぎ板は、レールの長手方向に見て略四角形状部を有しており、
前記第２端部塞ぎ板は、レールの長手方向に見て略正方形状部と前記略正方形状部に接続する略三角形状部とかなる略台形状部を有しており、
前記略四角形状部および前記略正方形状部は、
前記ヒータ保持部に保持される前記線状発熱体を備えており、
前記略三角形状部は、
高さ方向に沿ってつづら折りされる前記線状発熱体に、
幅方向に沿ってつづら折りされる前記線状発熱体を、重ねる態様で収納していること
を特徴とする鉄道車両用端部塞ぎ板。 In the end closing plate for railroad vehicles provided before and after the bogie of the railroad vehicle
The end closing plate for railway vehicles is
With the lower frame
An upper frame body that fits into the lower frame body and
The heat insulating material provided on the lower frame and
A heater holding portion provided on the upper surface of the heat insulating material and
A linear heating element provided in the heater holding portion and
With
The end closing plate for railway vehicles is
A first end closing plate provided at the center of the railroad vehicle in the width direction,
The second end closing plate provided at both ends in the direction of the first end closing plate, and
Have and
The first end closing plate has a substantially quadrangular portion when viewed in the longitudinal direction of the rail.
The second end closing plate has a substantially trapezoidal portion formed of a substantially square portion and a substantially triangular portion connected to the substantially square portion when viewed in the longitudinal direction of the rail.
The substantially square portion and the substantially square portion are
The linear heating element held by the heater holding portion is provided.
The substantially triangular portion is
To the linear heating element that is zigzag along the height direction,
An end closing plate for a railway vehicle, characterized in that the linear heating elements that are sequentially folded along the width direction are stored in a stacking manner. 請求項２に記載される鉄道車両用端部塞ぎ板において、
前記上枠体は、
前記下枠体に固定される枠体保持部を介して、前記下枠体に機械締結されること
を特徴とする鉄道車両用端部塞ぎ板。 In the end closing plate for a railroad vehicle according to claim 2.
The upper frame body
An end closing plate for a railway vehicle, characterized in that it is mechanically fastened to the lower frame body via a frame body holding portion fixed to the lower frame body. 請求項１に記載される鉄道車両用端部塞ぎ板において、
前記ヒータ保持部は、
前記垂直部に離散的に備えられる固定部を前記下枠体に固定されること、
を特徴とする鉄道車両用端部塞ぎ板。 In the end closing plate for a railway vehicle according to claim 1,
The heater holding portion is
The fixing portions discretely provided on the vertical portion are fixed to the lower frame body.
An end closing plate for railroad vehicles featuring.
JP2017218684A 2017-11-14 2017-11-14 End closing plate for railroad vehicles Active JP6959836B2 (en)

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JP6959836B2 true JP6959836B2 (en) 2021-11-05

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231053U (en) * 1975-08-25 1977-03-04
JPS6130125Y2 (en) * 1980-01-10 1986-09-04
JPS6424384A (en) * 1987-07-21 1989-01-26 T M Giken Kk Heater
JP4614745B2 (en) * 2003-11-28 2011-01-19 東日本旅客鉄道株式会社 Snow accretion prevention device for high-speed railway vehicles
DE102010005250B4 (en) * 2010-01-20 2013-03-21 Db Fernverkehr Ag Rail vehicle for driving on track systems with ballast track
JP6008683B2 (en) * 2011-10-07 2016-10-19 東日本旅客鉄道株式会社 Snow melting equipment for railway vehicles

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