EP1520075A1 - Dispositif pour mesurer l'enfoncement ou l'affaissement de la superstructure d'une voie ferree - Google Patents

Dispositif pour mesurer l'enfoncement ou l'affaissement de la superstructure d'une voie ferree

Info

Publication number: EP1520075A1
Authority: EP; European Patent Office
Prior art keywords: sensor; track; distance; superstructure; railway
Prior art date: 2002-07-09
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.): Granted

Application number

EP03739841A

Other languages

German (de)

English (en)

Other versions

EP1520075B1 (fr

Inventor

Peter Fritz

Dietmar Tafeit

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Voestalpine Turnout Technology Zeltweg GmbH

Voestalpine Railway Systems GmbH

Original Assignee

Voestalpine VAE GmbH

Voestalpine Weichensysteme GmbH

Priority date (The priority date 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 date listed.)

2002-07-09

Filing date

2003-06-26

Publication date

2005-04-06

2003-06-26 Application filed by Voestalpine VAE GmbH, Voestalpine Weichensysteme GmbH filed Critical Voestalpine VAE GmbH

2003-06-26 Priority to AT03739841T priority Critical patent/ATE315131T1/de

2005-04-06 Publication of EP1520075A1 publication Critical patent/EP1520075A1/fr

2006-01-04 Application granted granted Critical

2006-01-04 Publication of EP1520075B1 publication Critical patent/EP1520075B1/fr

2023-06-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/12—Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of the components thereof under rolling loads, e.g. depression of sleepers, increase of gauge

Definitions

the invention relates to a device for measuring the lowering or setting of the track superstructure of railway tracks.
the track superstructure serves as a roadway, where he should transfer the loads of the railway vehicles on the substructure and run the railway vehicles.
the superstructure here consists of rails, sleepers and the bedding, the bedding is usually designed as a ballast bed.
the bedding is now subject to subsidence under the influence of the rolling load, so that local subsidence of the rails can be observed together with the sleepers.
Such lowering is undesirable for safety reasons, and it is therefore necessary to carry out continuous control of the track in order to promptly initiate maintenance measures, such as replenishment of the track.
DE PS 816440 shows a mechanical device consisting of a first part, which is vertically adjustable under the action of the vertical displacement of the threshold or the rail and a second relative to the ballast bed fixed part, wherein the adjustment of the displaceable part relative to the fixed part a slider or a system of slides is measured.
a mechanical device consisting of a first part, which is vertically adjustable under the action of the vertical displacement of the threshold or the rail and a second relative to the ballast bed fixed part, wherein the adjustment of the displaceable part relative to the fixed part a slider or a system of slides is measured.
the surface of the ballast bed is used as a reference point for the measurement of the lowering of the thresholds, so that the settlement of the ballast bed itself, which can be caused for example by a compaction of the ballast bed, is not detected.
the measurement accuracy of this device is subject to a number of external influences, such as the change in the ballast bed surface caused by environmental influences at the measuring or reference point, so that at best relative shifts of the threshold when driving over the rolling load but not absolute values can be measured.
the present invention now aims to provide a device for measuring the reduction or settlement of the track superstructure of railway tracks, which can be integrated in a simple manner in existing diagnostic systems for monitoring the condition of a track and a continuous measurement of the reduction or settlement allows the track and their measured data collected in an evaluation circuit set maintenance intervals.
the monitoring device must be able to detect not only instantaneous subsidences when driving over the respectively monitored track section, which are caused by a reversible elastic deformation of the superstructure, but also, in particular, permanent and irreversible subsidence, which over a longer period Period occur.
the invention essentially consists in that a contactless distance sensor is provided which detects the distance to a measurement object, wherein one of the two parts sensor and measurement object with a stationary part of the track substructure and the other part with a part of the Superstructure is rigidly connected.
the track substructure here has the function of a foundation for the railway track and defined as stationary and fixed in its position point of reference for the measurement of lowering or setting the track superstructure.
the distance sensor itself or the measurement object whose distance to the distance sensor is to be detected is rigidly connected to the stationary part of the track substructure or to the superstructure.
the arrangement is preferably made such that the distance sensor with the stationary part of the substructure and the measurement object with a part of the superstructure rigidly connected is.
the distance sensor is stored stationary and stationary, so that its functionality is not affected by the vibrations or subsidence during the travel of the rolling load.
a particularly robust distance sensor is in this case achieved in that, as it corresponds to a preferred development, the sensor is designed as an inductive sensor and one with the rails or the Threshold-connected damping plate interacts as a measurement object.
reliable measurement results are achieved, which are also not affected by the effects of weather, such as, for example, between sensor and baffle plate reaching leaves or snow.
the damping plate can in this case be connected to the track superstructure, the lowering or settlement is to be connected to the rails or the thresholds, wherein in the region of a switch preferably can be made an arrangement on the housing of the points drive.
the senor is therefore arranged on a concrete foundation and in the region of a switch, in particular on the foundation of a switch pit.
the senor is preferably connected to an evaluation device, in which the distance measured values continuously supplied by the sensor during the passage of the track are stored and evaluated.
an evaluation device in which the data supplied by a plurality of measuring devices at a plurality of measuring points can be combined, so that the condition of the track or of the ballast bed can be assessed continuously over a longer track section.
the type of evaluation here can be adapted to the respective requirements, wherein, for example, a fixed limit value for the maximum allowable lowering or setting of the track superstructure can be specified and a warning signal is output when this limit value is exceeded.
the evaluation device has a minimum value memory in which the lowest value of the distance determined when driving on the track is stored, wherein changes of the measured smallest value, as well as at least one limit value for the smallest distance, are compared with each other and if exceeded - th this limit, a maintenance signal is generated.
This example shows the installation of the device according to the invention in the region of a switch.
the foundation of the switch pit is designated 1 and serves as a fixed and stationary reference point for the measurement of the distance of the foundation 1 arranged inductive sensor 2 from the track superstructure.
the track superstructure is in this case subjected during the crossing of the rolling load movements according to the double arrow 3 and long-term setting according to the arrow 4.
the points drive 5 is now rigidly connected in the area of the switch, which is firmly anchored, for example, in a trough sleeper, so that the point machine 5 also moves according to the arrows 3 and 4.
With the switch drive 5 is now a Bedämpfungsblech 6 rigidly connected, which cooperates with the inductive sensor 2, so that the sensor 2 provides a dependent on the distance a sensor current.

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Machines For Laying And Maintaining Railways (AREA)
Length Measuring Devices With Unspecified Measuring Means (AREA)
Electric Propulsion And Braking For Vehicles (AREA)
Continuous Casting (AREA)
Devices For Checking Fares Or Tickets At Control Points (AREA)
Platform Screen Doors And Railroad Systems (AREA)
Bridges Or Land Bridges (AREA)

EP03739841A 2002-07-09 2003-06-26 Dispositif pour mesurer l'enfoncement ou l'affaissement de la superstructure d'une voie ferree Expired - Lifetime EP1520075B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT03739841T ATE315131T1 (de)	2002-07-09	2003-06-26	Einrichtung zur messung der absenking bzw. setzung des eisenbahnoberbaues

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
AT10372002		2002-07-09
AT0103702A AT413114B (de)	2002-07-09	2002-07-09	Einrichtung zur messung der absenkung bzw. setzung des gleisoberbaues von eisenbahngleisen
PCT/AT2003/000178 WO2004005620A1 (fr)	2002-07-09	2003-06-26	Dispositif pour mesurer l'enfoncement ou l'affaissement de la superstructure d'une voie ferree

Publications (2)

Publication Number	Publication Date
EP1520075A1 true EP1520075A1 (fr)	2005-04-06
EP1520075B1 EP1520075B1 (fr)	2006-01-04

Family

ID=30004249

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP03739841A Expired - Lifetime EP1520075B1 (fr)	2002-07-09	2003-06-26	Dispositif pour mesurer l'enfoncement ou l'affaissement de la superstructure d'une voie ferree

Country Status (6)

Country	Link
EP (1)	EP1520075B1 (fr)
AT (2)	AT413114B (fr)
AU (1)	AU2003281374A1 (fr)
DE (1)	DE50302131D1 (fr)
TW (1)	TWI266819B (fr)
WO (1)	WO2004005620A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102004014282C5 (de) *	2004-03-22	2008-06-12	Db Netz Ag	Diagnose und Zustandsmonitoring im Überlaufbereich von Weichen, starren Herzstücken und Kreuzungen
CN102636147A (zh) *	2012-03-31	2012-08-15	铁道第三勘察设计院集团有限公司	铁路既有线变形监测方法
CN104652202B (zh) *	2015-02-13	2016-08-24	中铁第一勘察设计院集团有限公司	用于检定高速铁路轨道测量仪的测量装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB483081A (en) *	1936-09-11	1938-04-11	Edward Hailes Tustain	Means for measuring the deflection of railway sleepers under load to determine deficiency of ballast
DE3844663A1 (de) *	1988-05-04	1990-06-28	Strabag Bau Ag	Einrichtung zum ueberwachen und/oder steuern eines schienengebundenen verkehrs
NL1001971C1 (nl) *	1995-12-21	1997-06-24	Sotec B V	Inrichting voor permanente vastlegging van spoorstaafgeometrie.
ITMI981205A1 (it) *	1998-06-01	1999-12-01	Demetrio Federico	Struttura composta da uno strumento emittente-ricevente di raggio laser agganciato e scorrevole all'interno di un contenitore fissato

2002
- 2002-07-09 AT AT0103702A patent/AT413114B/de not_active IP Right Cessation
2003
- 2003-06-26 DE DE50302131T patent/DE50302131D1/de not_active Expired - Lifetime
- 2003-06-26 AT AT03739841T patent/ATE315131T1/de active
- 2003-06-26 EP EP03739841A patent/EP1520075B1/fr not_active Expired - Lifetime
- 2003-06-26 AU AU2003281374A patent/AU2003281374A1/en not_active Abandoned
- 2003-06-26 WO PCT/AT2003/000178 patent/WO2004005620A1/fr not_active Application Discontinuation
- 2003-07-04 TW TW092118289A patent/TWI266819B/zh active

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004005620A1 *

Also Published As

Publication number	Publication date
ATA10372002A (de)	2005-04-15
EP1520075B1 (fr)	2006-01-04
AU2003281374A1 (en)	2004-01-23
WO2004005620A1 (fr)	2004-01-15
AU2003281374A8 (en)	2004-01-23
ATE315131T1 (de)	2006-02-15
DE50302131D1 (de)	2006-03-30
TW200406521A (en)	2004-05-01
TWI266819B (en)	2006-11-21
AT413114B (de)	2005-11-15

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2005-08-03	RTI1	Title (correction)	Free format text: DEVICE FOR MEASURING THE SUBSIDENCE OR SETTLEMENT OF A RAILWAY SUPERSTRUCTURE ON RAILWAY TRACKS
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Publication	Publication Date	Title
AT411277B (de)	2003-11-25	Maschine und verfahren zum erkennen der schwellenlage eines gleises
EP0344145B1 (fr)	1994-03-30	Dispositif de détection de l'état des aiguilles ou des croisements des voies ferrées
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