JP2019065650A - Rail buckling detection system - Google Patents

Rail buckling detection system Download PDF

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JP2019065650A
JP2019065650A JP2017194391A JP2017194391A JP2019065650A JP 2019065650 A JP2019065650 A JP 2019065650A JP 2017194391 A JP2017194391 A JP 2017194391A JP 2017194391 A JP2017194391 A JP 2017194391A JP 2019065650 A JP2019065650 A JP 2019065650A
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rail
overhang
detection system
sleeper
rail overhang
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JP6839637B2 (en
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壱記 伊藤
Itsuki Ito
壱記 伊藤
尚嗣 桃谷
Yoshitsugu Momotani
尚嗣 桃谷
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Railway Technical Research Institute
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Abstract

To provide a rail buckling detection system which can detect rail buckling at an early stage and which can improve the safety of train operation.SOLUTION: A rail buckling detection means 3 is provided which perceives the displacement of sleepers 2 in a lateral direction T1 intersecting the extending direction of a track in plan view to detect rail buckling. A control means 4 and a warning means 5 are provided. The warning means 5 is configured to issue a warning in response to an operation command from the control means 4 when a rail buckling amount detected by the rail buckling detection means 3 exceeds a threshold.SELECTED DRAWING: Figure 3

Description

本発明は、レールの張出しを検知するためのシステムに関する。   The present invention relates to a system for detecting rail overhang.

安全性を確保しつつ鉄道輸送のスピード化、効率化を図る上で、レールの異常を早期に捉えて保線作業を行うことが非常に重要である（例えば、特許文献１、特許文献２参照）。   In order to speed and streamline railway transportation while securing safety, it is very important to catch rail abnormalities early and perform track maintenance work (see, for example, Patent Document 1 and Patent Document 2). .

このため、従来、鉄道線路には軌道回路が具備され、レール破断が発生した場合には軌道回路が途切れることでこれを即時に検知し、鉄道信号を停止現示に切り替えて列車を停止させるようにしている。   For this reason, conventionally, a track circuit is provided on the railway line, and if a rail break occurs, the track circuit is interrupted and detected immediately, and the train signal is stopped by switching the railway signal to the stop indication. I have to.

実開平０７−０４４５２９号公報Japanese Utility Model Publication No. 07-044529 特開平１０−２２７００１号公報Japanese Patent Application Laid-Open No. 10-227001

一方、レールの変位、特に、酷暑期の熱膨張や地震や豪雨などの自然現象に伴なってレールがまくらぎとともに横方向にずれる変位、いわゆるレール張出しに対しては、レール破断のように即時に検知することが難しく、保線の管理者、作業員の巡回監視による目視作業で対応するケースが多い。なお、実用化されているセンサ等は、上下方向及び横方向のレール変位を検知することができるが、主に鉄道路線に近接する工事（例えば、線路した工事等）に用いられており、設置費用が高い。そのため、通常のメンテナンスには用いられていない現状がある。   On the other hand, for the displacement of the rail, especially the displacement in which the rail is laterally displaced along with sleepiness due to natural expansion such as thermal expansion during a hot summer or earthquake or heavy rain, so-called rail breakage is instantaneous as in rail breakage. It is difficult to detect in many cases, and there are many cases where it is possible to cope with visual inspection by patrol monitoring of maintenance personnel and workers. Although sensors that have been put into practical use can detect rail displacement in the vertical and horizontal directions, they are mainly used for constructions close to railway lines (for example, constructions with tracks), etc. It is expensive. Therefore, there is a current situation that is not used for normal maintenance.

したがって、レール張出しに対しても、管理者、作業員の巡回監視ではあまりに多大な労力、時間を要することから、設置費用が安価で、早期にレール張出しを検知できるようにする手法が強く望まれていた。   Therefore, even for rail extension, it takes too much labor and time for patrol monitoring of administrators and workers, so it is highly desirable to have a method that enables detection of rail extension at an early cost with low installation costs. It was

上記事情に鑑み、本発明は、レール張出しを早期に検知でき、列車運行の安全性の向上を可能にするレール張出し検知システムを提供することを目的とする。   In view of the above circumstances, the present invention has an object to provide a rail overhang detection system that can detect rail overhang early and can improve the safety of train operation.

上記の目的を達するために、この発明は以下の手段を提供している。   In order to achieve the above object, the present invention provides the following means.

本発明のレール張出し検知システムは、平面視で軌道の延長方向に交差する横方向のまくらぎの変位を捉えてレール張出しを検知するレール張出し検知手段を備えることを特徴とする。   The rail overhang detection system according to the present invention is characterized by including a rail overhang detection means for detecting a rail overhang by detecting a displacement of a transverse sleeper crossing the extension direction of the track in plan view.

本発明のレール張出し検知システムにおいては、制御手段と警告手段とを備え、前記レール張出し検知手段で検知したレール張出し量が閾値を超えるとともに、前記制御手段からの動作指令を受けて警告手段が警告を発するように構成されていることが望ましい。   The rail overhang detection system according to the present invention includes control means and warning means, and while the rail overhang amount detected by the rail overhang detection means exceeds a threshold, the warning means receives a warning upon receiving an operation command from the control means. Preferably, it is configured to emit light.

本発明のレール張出し検知システムにおいては、前記レール張出し検知手段が、下端側を安定支持部に固定し、上端側を前記まくらぎの側端部に前記横方向に所定の間隔をあけて隣接あるいは接触あるいは接続して配設され、前記まくらぎが前記横方向に変位するとともに上端側がこれに従動して変形しレール張出しを検知するように構成されていることがより望ましい。   In the rail overhang detection system according to the present invention, the rail overhang detection means fixes the lower end side to the stable support portion, and the upper end side is adjacent to or in contact with the side end portion of the sleeper at a predetermined interval in the lateral direction. Alternatively, it is more preferable that the sleeper be disposed so as to be connected and that the sleeper is displaced in the lateral direction and the upper end side is driven to be deformed thereby to detect a rail overhang.

本発明のレール張出し検知システムにおいては、レールとともに張出し変位するまくらぎの変位を即時（早期）に検知することができ、この検知結果に基づいて、レールの張出し変位の発生を列車の運転者、保線の管理者、作業者等に早期に知らせることが可能になる。   In the rail overhang detection system of the present invention, the displacement of the sleeper displaced with the rail can be detected immediately (early), and the occurrence of the rail overhang displacement is detected by the train driver, based on the detection result. It is possible to notify early to the manager of the

よって、本発明のレール張出し検知システムによれば、保線の管理者、作業員の巡回監視による目視作業で対応する場合と比較し、レールの張出し変位を迅速に把握することができ、列車運行の安全性を各段に向上させることが可能になる。  Therefore, according to the rail overhang detection system of the present invention, the overhang displacement of the rail can be grasped more quickly compared to the case where the maintenance of track maintenance is handled by visual inspection by patrol monitoring of workers, and train operation It is possible to improve the security in each step.

レール張出しの一例を示す平面図である。It is a top view which shows an example of a rail overhang. 本発明の一実施形態に係るレール張出し検知システムを示す図（縦断面）である。It is a figure (longitudinal section) showing a rail overhang detection system concerning one embodiment of the present invention. 本発明の一実施形態に係るレール張出し検知システムを示す図（平面）である。It is a figure (plane) showing a rail overhang detection system concerning one embodiment of the present invention. 本発明の一実施形態に係るレール張出し検知システムでレール張出しを検知した状態を示す図（縦断面）である。It is a figure (longitudinal section) showing the state where rail overhang was detected by the rail overhang detection system concerning one embodiment of the present invention. 本発明の一実施形態に係るレール張出し検知システムの変更例を示す図（縦断面）である。It is a figure (longitudinal section) showing the example of a change of the rail overhang detection system concerning one embodiment of the present invention.

以下、図１から図４を参照し、本発明の一実施形態に係るレール張出し検知システムについて説明する。   Hereinafter, a rail overhang detection system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4.

ここで、本実施形態は、例えば、酷暑によるレール伸びや地震などの自然災害に伴って、図１に示すように、平面視で軌道の延長方向に交差する横方向Ｔ１に変位するレール１の張出し現象を捉え、鉄道輸送の安全性の確保、保線作業の迅速な実施を可能にするシステムに関するものである。   Here, in the present embodiment, as shown in FIG. 1, for example, along with a natural disaster such as rail extension due to severe heat, earthquake, etc., of the rail 1 displaced in the lateral direction T1 intersecting the extension direction of the track in plan view. The present invention relates to a system that catches the overhang phenomenon, ensures the safety of railway transportation, and enables quick implementation of track maintenance work.

具体的に、本実施形態のレール張出し検知システムＡは、図２及び図３に示すように、まくらぎ２の横方向Ｔ１の張出し変位を捉えてレール１の横方向Ｔ１の張出し変位を検知するレール張出し検知手段３と、レール張出し検知手段３からの検知信号に基づいてレール張出しの発生を、列車の運転者や保線の管理者、作業員に等に認知させるための制御手段４とを備えて構成されている。   Specifically, as shown in FIGS. 2 and 3, the rail overhang detection system A according to this embodiment detects the overhang displacement of the sleeper 2 in the lateral direction T1 and detects the overhang displacement of the rail 1 in the lateral direction T1. It is equipped with a rail overhang detection means 3 and a control means 4 for making it possible for a train driver, a track maintenance manager, and a worker to recognize the occurrence of rail overhang based on a detection signal from the rail overhang detection means 3. Is configured.

このレール張出し検知システムＡにおいては、例えば、レール張出し検知手段３で検知したレール張出し量が予め設定した閾値を超えるとともに、制御手段４によって動作指令が出されて特殊信号発光機（警告手段）５を赤色表示に替え、鉄道運転者に車両停止の指示を送ったり、コントロールセンターにレール張出しの発生の警報を知らせ、迅速な保線作業、運行コントロール指示作業が行えるように構成されている。   In this rail overhang detection system A, for example, while the rail overhang amount detected by the rail overhang detection means 3 exceeds a preset threshold, an operation command is issued by the control means 4 and a special signal light emitting machine (warning means) 5 It is configured to send the instruction of stopping the vehicle to the railway driver, or notify the control center of the alarm of the occurrence of the rail extension, and perform the quick track maintenance operation and the operation control instruction operation.

本実施形態のレール張出し検知手段３は、図２、図３、図４に示すように、下端側を道床バラスト６から下方の路盤７等の安定支持部８に固定し、上端側をまくらぎ２の側端部に所定の間隔をあけて横方向Ｔ１に対峙（隣接あるいは接触あるいは接続）して配設され、レール張出し時にまくらぎ２が横方向Ｔ１に変位するとともに上端側がこれに従動して変位することでレール張出しの発生、レール張出し量を検知するように構成されている。   As shown in FIG. 2, FIG. 3 and FIG. 4, the rail overhang detection means 3 of the present embodiment fixes the lower end side from the track ballast 6 to the stable support portion 8 such as the road bed 7 below and sleeps the upper end side. It is arranged facing (adjacent or contacting or connecting) in lateral direction T1 at predetermined intervals at the side end of 2 and when the rail is stretched out, sleeper 2 is displaced in lateral direction T1 and the upper end side follows this It is comprised so that generation | occurrence | production of rail overhang and a rail overhang amount may be detected by being displaced.

すなわち、本実施形態では、まくらぎ２が横方向Ｔ１に変位した際にまくらぎ２の変位に応じた外力がレール張出し検知手段３の上端側に作用する。このとき、レール張出し検知手段３は、その下端側が安定支持部８に固定（固着）されているため、この固着部９が支点となってまくらぎ２の変位に応じた外力が作用する上端側が弾性変形するなどして変位する。   That is, in the present embodiment, when the sleeper 2 is displaced in the lateral direction T1, an external force according to the displacement of the sleeper 2 acts on the upper end side of the rail overhang detection means 3. At this time, since the lower end side of the rail overhang detection means 3 is fixed (fixed) to the stable support portion 8, the upper end side where the fixed portion 9 acts as a fulcrum and an external force according to the displacement of the sleeper 2 acts It is displaced as it is elastically deformed.

これにより、本実施形態のレール張出し検知システムＡにおいては、このときのレール張出し検知手段３の変位、変形を捉えることで、まくらぎ２ひいてはレール１の張出しの発生、レール１の張出し量を保線作業者による巡回によらず、即時にリアルタイムで捉えることが可能になる。   Thereby, in the rail overhang detection system A of the present embodiment, occurrence of the overhang of the sleeper 2 and consequently the rail 1 and the overhang amount of the rail 1 are maintained by capturing the displacement and deformation of the rail overhang detection means 3 at this time. It becomes possible to capture in real time immediately, regardless of the patrol by the worker.

したがって、本実施形態のレール張出し検知システムにおいては、レール１とともに張出し変位するまくらぎ２の変位を即時（早期）に検知することができ、この検知結果に基づいて、レール１の張出し変位の発生を列車の運転者、保線の管理者、作業者等に早期に知らせることが可能になる。   Therefore, in the rail overhang detection system of the present embodiment, it is possible to immediately (early) detect the displacement of the sleeper 2 which is displaced with the rail 1 and, based on the detection result, the occurrence of the overhang displacement of the rail 1 It will be possible to inform train drivers, track maintenance managers, workers etc at an early stage.

よって、本実施形態のレール張出し検知システムＡによれば、保線の管理者、作業員の巡回監視による目視作業で対応する場合と比較し、レール１の張出し変位を迅速に把握することができ、列車運行の安全性を各段に向上させることが可能になる。  Therefore, according to the rail overhang detection system A of the present embodiment, the overhang displacement of the rail 1 can be grasped more quickly compared to the case where the maintenance of the track maintenance is handled by visual inspection by patrol monitoring of workers, It will be possible to improve the safety of train operation at each level.

また、本実施形態においては、レール張出し検知手段３が下端側を安定支持部８に固定し、上端側をまくらぎ２の側端部に対峙させ、レール張出し時にまくらぎ２が横方向Ｔ１に変位するとともに上端側がこれに従動して変位するように構成されている。このように構成した場合には、レール張出し検知手段３を容易に設置することができ、レール張出し検知システムＡを簡便に且つ容易に構成することが可能になる。   Further, in the present embodiment, the rail overhang detection means 3 fixes the lower end side to the stable support portion 8 and makes the upper end side face the side end of the sleeper 2, and the railing 2 in the lateral direction T1 when the rail overhangs. While being displaced, the upper end side is configured to be displaced following this. When configured in this manner, the rail overhang detection means 3 can be easily installed, and the rail overhang detection system A can be configured easily and easily.

以上、本発明に係るレール張出し検知システムの一実施形態について説明したが、本発明は上記の一実施形態に限定されるものではなく、その趣旨を逸脱しない範囲で適宜変更可能である。   As mentioned above, although one Embodiment of the rail overhang detection system which concerns on this invention was described, this invention is not limited to said one Embodiment, It can change suitably in the range which does not deviate from the meaning.

例えば、レール張出し検知手段３に変位したまくらぎ２が当接することによってレール１の張出しの発生、張出し量を捉えたり、まくらぎ２の側端部などとの離間距離を計測してレール１の張出しの発生、張出し量を捉えるように構成してもよい。このとき、例えば、図５に示すように、棒状のレール張出し検知手段３の下端から上端の間にフレキシブルジョイントなどの屈曲手段１０を設けて構成すると、レール１の張出しが発生した際にこの屈曲手段１０で屈曲して高精度、高感度でレール張出しを検知できる。   For example, occurrence of the overhang of the rail 1 is detected by contacting the sleepers 2 displaced to the rail overhang detection means 3 or the overhang amount is captured, or the separation distance with the side end of the sleeper 2 is measured It may be configured to capture the occurrence of overhang and the amount of overhang. At this time, for example, as shown in FIG. 5, when a bending means 10 such as a flexible joint is provided between the lower end and the upper end of the bar-like rail extension detection means 3, this extension occurs when the rail 1 is extended. By means of the means 10, the rail overhang can be detected with high accuracy and high sensitivity.

また、まくらぎ２の一端部側と他端部側のいずれか一方にレール張出し検知手段３を設け、このレール張出し検知手段３によってまくらぎ２の一端部の外側への張出し、他端部の外側への張出しの双方の張出しの発生、張出し量を把握するように構成しても構わない。   Further, the rail overhang detection means 3 is provided on one of the one end side and the other end side of the sleeper 2 and the rail overhang detection means 3 overhangs one end of the sleeper 2 to the other end. It may be configured to grasp the occurrence of both the overhanging of the outward overhanging and the overhanging amount.

さらに、本発明においては、まくらぎ２にターゲットを取り付けておき、ＧＰＳ等を用いてターゲットの位置を特定し、まくらぎ２ひいてはレール１の張出しの発生、張出し量を捉えるように構成してもよい。   Furthermore, in the present invention, even if the target is attached to the sleeper 2, the position of the target is specified using a GPS etc., and the track 2 and thus the occurrence of the overhang of the rail 1 and the amount of overhang are captured. Good.

１ レール
２ まくらぎ
３ レール張出し検知手段
４ 制御手段
５ 特殊信号発光機（警告手段）
６ バラスト
７ 路盤
８ 安定支持部
９ 固着部
１０ 屈曲手段
Ａ レール張出し検知システム
Ｔ１ 横方向 Reference Signs List 1 rail 2 sleeper 3 rail overhang detection means 4 control means 5 special signal light emitting machine (warning means)
6 ballast 7 roadbed 8 stable support portion 9 fixed portion 10 bending means A rail overhang detection system T1 lateral direction

Claims (3)

平面視で軌道の延長方向に交差する横方向のまくらぎの変位を捉えてレール張出しを検知するレール張出し検知手段を備えることを特徴とするレール張出し検知システム。   A rail squeeze detection system comprising a rail squeeze detection means that senses a rail squeeze by detecting a displacement of a transverse sleeper crossing a track extending direction in a plan view. 請求項１記載のレール張出し検知システムにおいて、
制御手段と警告手段とを備え、
前記レール張出し検知手段で検知したレール張出し量が閾値を超えるとともに、前記制御手段からの動作指令を受けて警告手段が警告を発するように構成されていることを特徴とするレール張出し検知システム。 In the rail overhang detection system according to claim 1,
Control means and warning means,
The rail overhang detection system is characterized in that the warning means receives a warning when the rail overhang amount detected by the rail overhang detection means exceeds a threshold and receives an operation command from the control means. 請求項１または請求項２に記載のレール張出し検知システムにおいて、
前記レール張出し検知手段が、下端側を安定支持部に固定し、上端側を前記まくらぎの側端部に前記横方向に所定の間隔をあけて隣接あるいは接触あるいは接続して配設され、
前記まくらぎが前記横方向に変位するとともに上端側がこれに従動して変形しレール張出しを検知するように構成されていることを特徴とするレール張出し検知システム。 In the rail overhang detection system according to claim 1 or 2,
The rail overhang detection means is disposed such that the lower end side is fixed to the stable support portion, and the upper end side is adjacent to or in contact with or connected to the side end of the sleeper at a predetermined interval in the lateral direction.
The rail overhang detection system is characterized in that the sleeper is displaced in the lateral direction and the upper end side is driven to be deformed thereby to detect a rail overhang.
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