EP3079965B1 - Procédé et dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire - Google Patents

Procédé et dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire Download PDF

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Publication number
EP3079965B1
EP3079965B1 EP14816147.4A EP14816147A EP3079965B1 EP 3079965 B1 EP3079965 B1 EP 3079965B1 EP 14816147 A EP14816147 A EP 14816147A EP 3079965 B1 EP3079965 B1 EP 3079965B1
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EP
European Patent Office
Prior art keywords
rail vehicle
derailment
bar
rail
obstacle
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EP14816147.4A
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German (de)
English (en)
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EP3079965A1 (fr
Inventor
Gerhard Weilguni
Martin Teichmann
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Siemens Mobility Austria GmbH
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Siemens Mobility Austria GmbH
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Publication of EP3079965A1 publication Critical patent/EP3079965A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like

Definitions

  • the invention relates to a method and a device for detecting a derailment or an impact with an obstacle on a rail vehicle.
  • the JP-A-04108064 a device for derailment detection for a chassis of a rail vehicle, which has a rail-shaped bar, which is arranged transversely with respect to a track in the lower region of a chassis frame.
  • a vertically movable and spring-loaded guide frame partially encases the beam.
  • a sensor is arranged between the guide frame and the bar. When a wheel derails from the undercarriage, the guide frame moves upwards in contact with the track relative to the beam. This activates the sensor and triggers an alarm.
  • rail clearers Another safety-relevant device on rail vehicles, in particular on locomotives, are so-called rail clearers. Their task is to keep the rails clear so that objects on the rails cannot damage the wheels.
  • rail clearers can be designed, for example, as vertically arranged bars that extend almost to the rails.
  • the Rail clearers designed as a transverse bar. Continuous monitoring with regard to derailment or hitting an obstacle (addressing a railway clearer) is an essential safety measure that is particularly required for driverless rail vehicles.
  • the invention is therefore based on the object of specifying a method and a device for detecting a derailment or an impact with an obstacle on a rail vehicle. This method is said to be robust against false triggering and to be simple and to be carried out with uncomplicated facilities.
  • a method for detecting a derailment or an obstacle hitting a rail vehicle in which a bar in front of the wheel set leading in the direction of travel transversely to the longitudinal axis of the rail vehicle above the top edge of the rail in a vertical and axial direction with respect to the rail vehicle is arranged movably, the deflection of the beam from its rest position being ascertainable by means of sensors and wherein when a deflection of the beam is detected in the vertical direction with respect to the rail vehicle, a derailment is inferred, and when a deflection of the beam is detected in in the axial direction with respect to the rail vehicle on the impact of an obstacle.
  • Another advantage of the present invention is to be able to detect the recognitions of the states on the basis of purely mechanical variables; no complex mathematical methods such as single or multiple integrations are required. This eliminates the otherwise required complicated control devices and a simple connection of the device according to the invention, or of the method, to the vehicle controller. The elimination of specific evaluation or recognition software makes the approval process of a rail vehicle equipped according to the invention easier.
  • the method is to be carried out in a device for detecting a derailment or an obstacle encountering a rail vehicle, which has a bar that is movably arranged in front of the wheel set leading in the direction of travel, transversely to the longitudinal axis of the rail vehicle above the top edge of the rail in the vertical and axial direction with respect to the rail vehicle includes and wherein the deflection of the beam from its rest position can be determined by sensors.
  • a connection to a vehicle control is provided, via which a derailment signal can be emitted to the vehicle control when a deflection of the bar in the vertical direction with respect to the rail vehicle is detected, and via which when a deflection of the bar in the axial direction is detected with respect to the rail vehicle a railroad signal can be emitted to the vehicle control system.
  • the bar is to be designed in the form of a common rail clearer, which is to be arranged as deep as possible above the top edge of the rail and should extend at least over the entire track width of the rail vehicle.
  • This bar is movably mounted, with straight guides being particularly advantageous, since such a particularly good separation of the derailment detection function from the detection of the impact of an obstacle can be achieved.
  • the bar can be provided in such a way that axial or vertical movement of the movably arranged bar is only possible from a certain minimum force acting on it. This can be done, for example, by a spring force, which fixes the beam in its rest position with a certain force.
  • a movement of the bar and consequently detection of a derailment or clearing of the railway can only take place after a minimum force has been exceeded.
  • This has the advantage that vibrations, shunting impacts or the like cannot lead to false tripping and thus to a breakdown.
  • collisions with obstacles of low mass result in no danger to the vehicle represent, not to respond to the web space monitoring function.
  • a major advantage of the present invention is that a function check can be carried out very easily.
  • the function can be checked regularly.
  • no components are damaged when triggered.
  • the required pretension of the beam (spring force) can also be checked.
  • Another important advantage of the invention is that the possible horizontal and vertical movements of the bar are independent of one another and do not influence one another, so that a detection of a clearing process in no way results in a false detection of a derailment and vice versa. This means that a minimum force for a deflection that is different for both movement options (horizontal and vertical) can also be specified very easily.
  • Fig.1 shows an example of a derailment or obstacle detection.
  • the functional principle of a derailment or obstacle detection according to the invention is shown in a highly abstract form.
  • a rail vehicle 1 with a wheel set 3 is shown in a side view. The direction of travel is oriented to the right, so that wheel set 3 represents the leading wheel set. The wheelset 3 rests on the top edge of the rail 4, the rail vehicle 1 is consequently in the slid-in state.
  • a bar 2 is arranged in the direction of travel in front of the wheel set 3 at a short distance above the top edge 4 of the rail. This bar 2 extends at least over the entire track width of the wheel set 3.
  • the bar 2 is connected to the rail vehicle 1 by means of a vertical guide 8 and an axial guide 9.
  • the bar 2 is arranged to be movable relative to the rail vehicle and can be deflected from its rest position to a certain extent. In this rest position, the bar can be held by means of a spring device, such a spring device is in Fig.1 not shown to simplify the illustration.
  • Two switching devices 5, 6 are provided, one switching device 5 for one Deflection of the vertical guide 8 responds and a switching device 6 responds to a deflection of the axial guide 9. In this way, the switching device 5 acts as a detection of a derailment and the switching device 6 as a detection of a response of the railway clearer.
  • the switching devices 5, 6 are designed such that they are suitable for the special application, ie the harsh environmental conditions on rail vehicles.
  • Fig.2 shows an example and schematically a derailment or obstacle detection in a derailed state. It's off the rail vehicle Fig.1 shown, but the wheelset 3 is derailed and thus comes to lie lower than the rail top 4. As a result, the upper rail edge 4 comes into contact with the bar 2 and displaces the bar 2 in the vertical direction. This displacement of the bar 2 triggers the derailment switch 5, so that a corresponding alarm can be given.
  • Figure 3 shows an example of a derailment or obstacle detection when an obstacle hits. It's off the rail vehicle Fig.1 shown, wherein an obstacle 7 located on the track comes into contact with the rail vehicle 1, or the bar 2. If the obstacle 7 has such a mass that the force resulting from the impact leads to a displacement of the beam 2 in the axial direction, then the clearing switch 6 is triggered by the vertical guide 8 displaced in the axial direction, so that a corresponding alarm can be given ,
  • Figure 4 shows an example and schematically a derailment or obstacle detection on an embodiment.
  • a view of a leading axle of a rail vehicle 1 is shown, a bar 2 being arranged in front of the wheel 3 in the direction of travel.
  • the bar 2 is movably connected to the body of the rail vehicle 1 via a vertical guide 8.
  • the vertical guide 8 with a spring (in Figure 4 not shown) equipped, which holds the bar 2 in its end position. If the bar 8 is deflected vertically upwards, a switching device 5 responds to detect a derailment. If the bar 2 encounters an obstacle, a switching device 6 is triggered to detect a clearing process.
  • part of the vertical guide 8 is designed as a leaf spring which, in its rest position, holds the bar 2 in a certain horizontal position.
  • Figure 5 shows an example and schematically a derailment or obstacle detection on a detail of an embodiment. It is a vertical guide 8 and a section of a beam 2 of the embodiment Figure 4 shown.
  • This type of embodiment allows a particularly good separation of the detection of derailments and railway clearing processes, since the respective movement sequences are independent of one another and cannot influence one another.
  • Figure 6 shows an example and schematically a derailment or obstacle detection with a parallelogram in a side view.
  • a derailment and obstacle detection according to the invention is shown, which is based on a parallelogram with two Builds parallelogram links 10 that guide a vertical guide 8 along a substantially vertical movement path.
  • a bar 2 is provided, which is arranged at a certain distance from the top edge of the rail 4 in the slid-in state of the rail vehicle 1.
  • a spring 11 holds the parallelogram guide in its end position with a certain force, so that the switching device 5 can only be triggered after this force has been overcome and after a certain trigger path has been reached. In this way, incorrect triggering of the derailment detection can be reliably prevented.
  • no devices for detecting a web clearing process are shown; these can be integrated, for example, in the bar 2 or the vertical guide 8.
  • Figure 6 the position of a parallelogram link 11 upon response of the derailment detection is also shown in dashed lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Claims (4)

  1. Procédé de détection d'un déraillement ou de l'impact d'un obstacle (7) sur un véhicule ferroviaire (1), selon lequel une poutre (2) est disposée devant l'essieu (3) directeur dans le sens de la marche, transversalement par rapport à l'axe longitudinal du véhicule ferroviaire (1) et au-dessus du bord supérieur de rail (4), avec une mobilité dans les directions verticale et axiale par rapport au véhicule ferroviaire (1), la déviation de la poutre par rapport à sa position de repos pouvant être déterminée à l'aide de capteurs (5, 6),
    procédé selon lequel, en cas de détection d'une déviation de la poutre (2) dans la direction verticale par rapport au véhicule ferroviaire (1), un déraillement est déduit, et
    en cas de détection d'une déviation de la poutre (2) dans la direction axiale par rapport au véhicule ferroviaire (1), l'impact d'un obstacle (7) est déduit.
  2. Dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire, comprenant une poutre disposée devant l'essieu directeur dans le sens de la marche, transversalement par rapport à l'axe longitudinal du véhicule ferroviaire et au-dessus du bord supérieur de rail, avec une mobilité dans les directions verticale et axiale par rapport au véhicule ferroviaire, la déviation de la poutre par rapport à sa position de repos pouvant être déterminée à l'aide de capteurs, dispositif dans lequel il est prévu une liaison à une commande de véhicule, grâce à laquelle, en cas de détection d'une déviation de la poutre dans la direction verticale par rapport au véhicule ferroviaire, un signal de déraillement peut être délivré à la commande de véhicule, et grâce à laquelle, en cas de détection d'une déviation de la poutre dans la direction axiale par rapport au véhicule ferroviaire, un signal de dégagement de voie peut être délivré à la commande de véhicule.
  3. Dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire selon la revendication 2, caractérisé en ce qu'un mouvement axial ou vertical de la poutre agencée de manière mobile est impossible qu'à partir d'une force minimale définie agissante.
  4. Dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire selon la revendication 3, caractérisé en ce que cette force minimale définie est déterminée par la précharge d'un dispositif à ressort.
EP14816147.4A 2013-12-10 2014-12-05 Procédé et dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire Active EP3079965B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT508122013 2013-12-10
PCT/EP2014/076716 WO2015086456A1 (fr) 2013-12-10 2014-12-05 Procédé et dispositif de détection d'un déraillement ou de l'impact d'un obstacle sur un véhicule ferroviaire

Publications (2)

Publication Number Publication Date
EP3079965A1 EP3079965A1 (fr) 2016-10-19
EP3079965B1 true EP3079965B1 (fr) 2020-02-05

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Country Status (3)

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EP (1) EP3079965B1 (fr)
CN (1) CN206187034U (fr)
WO (1) WO2015086456A1 (fr)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
AT518036A1 (de) * 2015-12-10 2017-06-15 Siemens Ag Oesterreich Fahrwerk für ein Schienenfahrzeug
AT518142B1 (de) * 2015-12-16 2021-04-15 Siemens Mobility Austria Gmbh Bahnräumer für ein Schienenfahrzeug
FR3056177B1 (fr) * 2016-09-21 2020-03-13 Alstom Transport Technologies Dispositif de detection d'obstacle pour un vehicule ferroviaire
CN109032057A (zh) * 2018-07-10 2018-12-18 北京同和时代科技有限公司 对轨道打磨车的打磨小车脱轨的监控方法、装置和系统
US10543861B1 (en) 2018-11-15 2020-01-28 Focused Technology Solutions, Inc. Vertical rail measurement device
CN110386166A (zh) * 2019-08-07 2019-10-29 中车青岛四方车辆研究所有限公司 一种轨道列车障碍物检测装置
CN110682935B (zh) * 2019-08-22 2021-08-10 张明宇 一种集成式障碍物检测和脱轨检测系统
CN112622986A (zh) * 2020-12-25 2021-04-09 辽宁业升轨道驱动装备技术有限公司 城市轨道列车障碍物及脱轨检测系统
CN115384569B (zh) * 2022-07-18 2023-03-31 合肥市轨道交通集团有限公司 轨道车辆及其排障防脱轨检测装置和检测方法
DE102022131912A1 (de) 2022-12-01 2024-06-06 Deutsche Bahn Aktiengesellschaft Verfahren zum betreiben eines schienenfahrzeugs auf einer gleisanlage

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US3921945A (en) * 1974-07-25 1975-11-25 Us Navy Train resonant car-body rocking detector system
JP2695976B2 (ja) * 1990-08-29 1998-01-14 株式会社東芝 脱線検出装置
EP1422119A1 (fr) 2002-11-20 2004-05-26 Siemens SGP Verkehrstechnik Capteur de déraillement à induction
AT413974B (de) 2003-05-15 2006-07-15 Siemens Transportation Systems Entgleisungsdetektion durch fallgeschwindigkeitsbestimmung
DE102009056931B4 (de) 2009-12-04 2013-12-24 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Entgleisungsdetektoreinheit mit erhöhter Empfindlichkeit
DE102010052667C5 (de) * 2010-11-26 2015-05-21 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Vorrichtung und Verfahren zur Erfassung von Störungen einer Rollbewegung eines Wagonrades eines Zuges
DE102011001978A1 (de) * 2011-04-12 2012-10-18 Bombardier Transportation Gmbh Schienenfahrzeug mit einer Entgleisungsüberwachung
SG11201500390WA (en) * 2012-07-20 2015-04-29 Kawasaki Heavy Ind Ltd Railroad car derail sensing device and railroad car

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Publication number Publication date
EP3079965A1 (fr) 2016-10-19
CN206187034U (zh) 2017-05-24
WO2015086456A1 (fr) 2015-06-18

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