JP4692517B2 - Method for diagnosing laying position of derailment prevention guard for railway vehicles - Google Patents
Method for diagnosing laying position of derailment prevention guard for railway vehicles Download PDFInfo
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本発明は、鉄道車両の走行安全性を確保するために設置される脱線防止ガードの敷設位置が正しいか否かを診断する方法に関するものである。 The present invention relates to a method for diagnosing whether or not the position of a derailment prevention guard installed in order to ensure traveling safety of a railway vehicle is correct.
２０００年に発生した「日比谷線脱線転覆事故」の後、非特許文献１に開示されているように、営団日比谷線脱線事故調査報告書にて、軌道における脱線防止ガードの設置基準が定められた。
しかしながら、この設置基準に従い、正しい位置に脱線防止ガードが設置されていても、例えば夜間工事の際に外した後、工事終了後に再設置するときに、設置位置がずれる場合や、設置するのを忘れる場合が無いとはいえない。 However, even if the derailment prevention guard is installed at the correct position in accordance with this installation standard, for example, when it is removed during night construction and then reinstalled after construction, the installation position may shift or be installed. It cannot be said that there is no case to forget.
また、設置基準に従い、正しい位置に脱線防止ガードが設置されていても、実際に車両を走行させて、脱線係数（＝横圧Ｑ／輪重Ｐ）を車上で測定すると、軌道狂いや軌道の敷設誤差により、脱線係数の大きい場所からずれた位置に設置されている場合が無いとはいえない。 In addition, even if the derailment prevention guard is installed at the correct position according to the installation standards, if the vehicle is actually run and the derailment coefficient (= lateral pressure Q / wheel load P) is measured on the vehicle, the track will be misaligned or Due to the installation error, it cannot be said that there is no case where it is installed at a position deviated from a place where the derailment coefficient is large.
従って、より高い安全性を確保するためには、脱線防止ガードが正しい位置に設置されているか、また脱線係数が大きい場所に脱線防止ガードが設置されているかどうかを、確認することが必要である。 Therefore, in order to ensure higher safety, it is necessary to check whether the derailment prevention guard is installed in the correct position and whether the derailment prevention guard is installed in a place where the derailment coefficient is large. .
しかしながら、従来は、脱線防止ガードの敷設位置は、専ら軌道敷設時の軌道側の距離計測のみによって決定されており、車両走行時の脱線係数が高い場所と、脱線防止ガード敷設位置との照合は、それぞれ別のデータを照らし合わせて行う必要があった。また、脱線防止ガードの敷設位置が正しいか否かの確認は走行中の車両上からは行われていなかった。 However, conventionally, the laying position of the derailment prevention guard is determined solely by measuring the distance on the track side when laying the track, and the location of the derailment coefficient when the vehicle is traveling is compared with the laying position of the derailment prevention guard. , It was necessary to check each different data. In addition, it has not been confirmed from the traveling vehicle whether the derailment prevention guard is laid correctly.
本発明が解決しようとする問題点は、脱線防止ガードが正しい位置に敷設されているか否か、また脱線係数の大きい場所に設置されているか否かを、走行中にリアルタイムで判定できないという点である。 The problem to be solved by the present invention is that it cannot be determined in real time during traveling whether or not the derailment prevention guard is laid at the correct position and whether or not it is installed in a place with a large derailment coefficient. is there.
本発明の鉄道車両用脱線防止ガードの敷設位置診断方法は、走行中にリアルタイムで、脱線防止ガードが正しい位置に敷設されているか否か、また脱線係数の大きい場所に敷設されているか否かの判定を行うことを目的としている。 The method for diagnosing the position of a derailment prevention guard for railcars according to the present invention is based on whether or not the derailment prevention guard is laid at the correct position in real time during traveling and whether or not it is laid at a place where the derailment coefficient is large. The purpose is to make a decision.
すなわち、本発明の第１の鉄道車両用脱線防止ガードの敷設位置診断方法は、
鉄道車両用台車の、軌道に沿って敷設される脱線防止ガードと対向する部分に非接触センサを取付け、
車両走行中の走行位置を把握し、
予め保有する前記脱線防止ガードの敷設位置情報と、前記非接触センサによる脱線防止ガード敷設位置の検知結果を比較し、
脱線防止ガードの敷設位置が正しいかどうかを、走行中にリアルタイムで判定することを最も主要な特徴としている。
That is, the laying position diagnosis method for the first railcar derailment prevention guard according to the present invention includes:
Attach a non-contact sensor to the part of the railcar trolley facing the derailment prevention guard laid along the track,
Understand where the vehicle is running,
Comparing the laying position information of the derailment prevention guard held in advance with the detection result of the derailment prevention guard laying position by the non-contact sensor,
The most important feature is to determine in real time during traveling whether or not the derailment prevention guard is laid correctly.
また本発明の第２の鉄道車両用脱線防止ガードの敷設位置診断方法は、
車上で輪重と横圧を測定可能な鉄道車両用台車の、軌道に沿って敷設される脱線防止ガードと対向する部分に非接触センサを備え、
車両走行中に、前記輪重と横圧の測定結果から求めた脱線係数と、前記非接触センサによる脱線防止ガード敷設位置の検知結果を比較し、
脱線防止ガードが脱線係数の高い位置に敷設されているかどうかを、走行中にリアルタイムで判定することを最も主要な特徴としている。
In addition, the second method for diagnosing the laying position of the derailment prevention guard for railway vehicles according to the present invention includes:
A non-contact sensor is provided on a portion of the railcar bogie that can measure wheel load and lateral pressure on the vehicle, facing the derailment prevention guard laid along the track,
While running the vehicle, compare the derailment coefficient obtained from the measurement results of the wheel load and lateral pressure, and the detection result of the derailment prevention guard laying position by the non-contact sensor,
The main feature is to determine in real time during traveling whether or not the derailment prevention guard is laid at a position with a high derailment coefficient.
本発明では、脱線防止ガードの敷設位置を走行中にオンラインで確認できるので、より安全な鉄道システムを実現することができる。 In the present invention, since the installation position of the derailment prevention guard can be confirmed online while traveling, a safer railway system can be realized.
また第２の本発明では、輪重と横圧の測定結果から求めた脱線係数と、脱線防止ガードの検出位置を瞬時に比較することで、脱線係数が大きい場所に、適正に脱線防止ガードが敷設されているかを確認できる。 In the second aspect of the present invention, the derailment coefficient obtained from the measurement results of the wheel load and the lateral pressure is instantaneously compared with the detection position of the derailment prevention guard, so that the derailment prevention guard can be properly provided in a place where the derailment coefficient is large. You can check if it is laid.
以下、本発明を実施するための最良の形態例を、図１及び図２を用いて説明する。
図１は本発明の鉄道車両用脱線防止ガードの敷設位置診断方法に使用する非接触センサの取付け例を示す図である。
The best mode for carrying out the present invention will be described below with reference to FIGS.
FIG. 1 is a view showing an example of attachment of a non-contact sensor used in a method for diagnosing the position of a railcar derailment prevention guard according to the present invention.
脱線防止ガード２は、対をなす軌道１上を転動する車輪５の内側に敷設され、軌道１と脱線防止ガード２との相対位置関係は、一定となされている。
The derailment prevention guard 2 is laid inside a
従って、例えば図１のように、鉄道車両用台車３の前後方向の車輪５間における、前記脱線防止ガード２の上面２ａと対向する台車枠に、レーザ変位センサなどの非接触センサ４を備えさせれば、脱線防止ガード２の敷設位置では、非接触センサ４から脱線防止ガード２の上面２ａまでの距離Ｌ１を測定することができる。
Therefore, for example, as shown in FIG. 1, a non-contact sensor 4 such as a laser displacement sensor is provided on the bogie frame facing the
一方、脱線防止ガード２が敷設されていない位置では、非接触センサ４で測定する距離Ｌ２は、地面までの距離となるので、この測定距離Ｌ２は、非接触センサ４から脱線防止ガード２の上面２ａまでの距離Ｌ１とは大きく相違する。 On the other hand, at the position where the derailment prevention guard 2 is not laid, the distance L2 measured by the non-contact sensor 4 is the distance to the ground, and therefore this measurement distance L2 is the upper surface of the derailment prevention guard 2 from the non-contact sensor 4. This is greatly different from the distance L1 up to 2a.
よって、走行中に、非接触センサ４で前記距離Ｌ１，Ｌ２を測定すれば、図２のような測定波形が得られることになって、脱線防止ガード２が敷設されている位置を、瞬時にしかも正確に検知することができる。 Therefore, if the distances L1 and L2 are measured by the non-contact sensor 4 during traveling, a measurement waveform as shown in FIG. 2 is obtained, and the position where the derailment prevention guard 2 is laid is instantaneously displayed. Moreover, it can be detected accurately.
従って、予め保有している路線情報と累積走行距離との関係等から車両走行中の走行位置を把握し、前記非接触センサ４による脱線ガード２の敷設位置の検知結果と、工事用図面等の予め保有する前記脱線防止ガード２の敷設位置情報を比較すれば、脱線防止ガード２の敷設位置が正しいかどうかを、走行中にリアルタイムで判定することができる。これが第１の本発明方法である。 Accordingly, the traveling position during traveling of the vehicle is grasped from the relationship between the route information held in advance and the accumulated traveling distance, and the detection result of the laying position of the derailment guard 2 by the non-contact sensor 4, the construction drawings, etc. By comparing the laying position information of the derailment prevention guard 2 held in advance, it is possible to determine in real time during traveling whether the laying position of the derailment prevention guard 2 is correct. This is the first method of the present invention.
このような第１の本発明方法によれば、例えば夜間工事などで脱線防止ガード２を外した場合に、工事後に脱線防止ガード２の再設置を忘れたときにも、始発電車の走行時に脱線防止ガード２の敷設忘れを検知できるので、より安全な鉄道システムを実現することができる。 According to the method of the first aspect of the present invention, for example, when the derailment prevention guard 2 is removed at night construction, etc., even if the derailment prevention guard 2 is forgotten to be re-installed after construction, derailment is performed when the first power generation vehicle is running. Since it is possible to detect forgetting to install the prevention guard 2, a safer railway system can be realized.
また、第１の本発明方法を実施する非接触センサ４を車上で輪重と横圧を測定可能な鉄道車両用台車に設ければ、車両走行中に、前記輪重と横圧の測定結果から脱線係数を求めることができる。 Further, if the non-contact sensor 4 for carrying out the first method of the present invention is provided on a railway vehicle carriage capable of measuring wheel load and lateral pressure on the vehicle, the wheel load and lateral pressure are measured while the vehicle is running. The derailment coefficient can be obtained from the result.
よって、この求めた脱線係数と、前記非接触センサ４による脱線防止ガード２の敷設位置の検知結果を比較すれば、脱線防止ガード２が脱線係数の大きい位置に敷設されているかどうかを、走行中にリアルタイムで判定することができる。これが第２の本発明方法である。 Therefore, if the calculated derailment coefficient is compared with the detection result of the laying position of the derailment prevention guard 2 by the non-contact sensor 4, it is determined whether the derailment prevention guard 2 is laid at a position where the derailment coefficient is large. Can be determined in real time. This is the second method of the present invention.
ここで、車上で輪重と横圧を測定可能な鉄道車両用台車とは、例えば台車３の進行方向前側の輪軸を、輪重と横圧の測定装置を装備した輪軸（いわゆるＰＱ輪軸）としたもの、或いは軸箱等に非接触変位計を配置し、該変位計にて車輪のリム部または板部の変位量を計測し、この結果を元に横圧を求める、特開２００６−８８９６７号公報に記載の横圧測定方法と、軸ばねの上下変位より輪重測定を行う方法を組み合わせた、輪重と横圧の測定装置を備えた台車などである。 Here, a railway vehicle bogie that can measure wheel load and lateral pressure on the vehicle is, for example, a wheel shaft on the front side in the traveling direction of the bogie 3 and a wheel shaft (so-called PQ wheel shaft) equipped with a device for measuring wheel load and lateral pressure. A non-contact displacement meter is arranged in a shaft box or the like, and the displacement amount of the wheel rim portion or plate portion is measured by the displacement meter, and the lateral pressure is obtained based on this result. No. 88967, a cart equipped with a wheel load and lateral pressure measuring device that combines the method for measuring the wheel load and the method of measuring the wheel load from the vertical displacement of the shaft spring.
この第２の本発明方法によれば、脱線防止ガード２の敷設位置の確認と共に、脱線係数の大きい場所に、適正に脱線防止ガード２が敷設されているかを確認することができる。 According to the second method of the present invention, it is possible to confirm whether or not the derailment prevention guard 2 is properly laid at a location where the derailment coefficient is large, as well as confirming the laying position of the derailment prevention guard 2.
本発明は上記の例に限らず、各請求項に記載された技術的思想の範疇であれば、適宜実施の形態を変更しても良いことは言うまでもない。 The present invention is not limited to the above example, and it goes without saying that the embodiments may be changed as appropriate within the scope of the technical idea described in each claim.
例えば、上記の例では、脱線防止ガード２までの距離を測定する非接触センサ４としてレーザ変位センサを示したが、前記距離を非接触で測定できるものであれば、超音波センサや渦電流センサを使用しても良い。 For example, in the above example, the laser displacement sensor is shown as the non-contact sensor 4 that measures the distance to the derailment prevention guard 2, but an ultrasonic sensor or an eddy current sensor can be used as long as the distance can be measured in a non-contact manner. May be used.
また、脱線防止ガード２の敷設位置の検知を、脱線防止ガード２までの距離を測定するものに代えて、脱線防止ガード２を検知する距離でＯＮ／ＯＦＦ信号が切り替わる方式のＯＮ／ＯＦＦ切り替えセンサとしてもよい。このような非接触センサを採用すれば、より安価に本発明方法を実施できる。 Further, instead of detecting the laying position of the derailment prevention guard 2 instead of measuring the distance to the derailment prevention guard 2, an ON / OFF switching sensor in which the ON / OFF signal is switched at the distance at which the derailment prevention guard 2 is detected. It is good. If such a non-contact sensor is employed, the method of the present invention can be implemented at a lower cost.
１ 軌道
２ 脱線防止ガード
３ 台車
４ 非接触センサ
５ 車輪
1 Track 2 Derailment Prevention Guard 3 Dolly 4
Claims (3)
車両走行中の走行位置を把握し、
予め保有する前記脱線防止ガードの敷設位置情報と、前記非接触センサによる脱線防止ガード敷設位置の検知結果を比較し、
脱線防止ガードの敷設位置が正しいかどうかを、走行中にリアルタイムで判定することを特徴とする鉄道車両用脱線防止ガードの敷設位置診断方法。 Attach a non-contact sensor to the part of the railcar trolley facing the derailment prevention guard laid along the track,
Understand where the vehicle is running,
Comparing the laying position information of the derailment prevention guard held in advance with the detection result of the derailment prevention guard laying position by the non-contact sensor,
A method for diagnosing the laying position of a derailment prevention guard for a railway vehicle, wherein whether or not the laying position of the derailment prevention guard is correct is determined in real time during traveling.
車両走行中に、前記輪重と横圧の測定結果から求めた脱線係数と、前記非接触センサによる脱線防止ガード敷設位置の検知結果を比較し、
脱線防止ガードが脱線係数の高い位置に敷設されているかどうかを、走行中にリアルタイムで判定することを特徴とする鉄道車両用脱線防止ガードの敷設位置診断方法。 A non-contact sensor is provided on a portion of the railcar bogie that can measure wheel load and lateral pressure on the vehicle, facing the derailment prevention guard laid along the track,
While running the vehicle, compare the derailment coefficient obtained from the measurement results of the wheel load and lateral pressure, and the detection result of the derailment prevention guard laying position by the non-contact sensor,
A method for diagnosing the laying position of a derailment prevention guard for a railway vehicle, characterized in that whether or not the derailment prevention guard is laid at a position having a high derailment coefficient is determined in real time during traveling.
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| WO2017113983A1 (en) * | 2015-12-30 | 2017-07-06 | 中车长江车辆有限公司 | Anti-derailing bogie based on adapter positioning detection and derailing detection method |
| WO2017121177A1 (en) * | 2015-12-30 | 2017-07-20 | 中车长江车辆有限公司 | Derailing prevention bogie based on side frame positioning detection and derailing detection method therefor |
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| JP2008297845A (en) | 2008-12-11 |
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