EP3676449A1 - Betonschwelle für einen eisenbahnfahrweg - Google Patents
Betonschwelle für einen eisenbahnfahrwegInfo
- Publication number
- EP3676449A1 EP3676449A1 EP18740136.9A EP18740136A EP3676449A1 EP 3676449 A1 EP3676449 A1 EP 3676449A1 EP 18740136 A EP18740136 A EP 18740136A EP 3676449 A1 EP3676449 A1 EP 3676449A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete sleeper
- sensor
- recess
- concrete
- measuring device
- Prior art date
- 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
Links
- 241001669679 Eleotris Species 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 13
- 238000001514 detection method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
-
- 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 concrete sleeper for a railway track, with a sensor having a measuring device for detecting acting on the concrete sleeper during operation loads and / or deformations.
- a threshold is proposed, which is formed in two parts and has a trough-like base body in which a volumetric flask is mounted vertically movable.
- the top of the volumetric flask serves as a support for a rail.
- EP 2 602 169 A1 proposes a concrete sleeper which has fixed measuring devices.
- the measuring equipment is located inside the concrete sleeper.
- the conventional concrete sleepers with built-in sensors allow reliable detection of the loads occurring during operation.
- concrete sleepers are relatively expensive, which is why in practice only a small number of concrete sleepers can be equipped with it.
- the invention has for its object to provide a concrete threshold with which the detection of loads occurring during operation can be performed easier and more flexible.
- the concrete sleeper according to the invention enables the measuring device to be introduced as required, if a measurement is actually to be carried out. If no measurement is to be carried out, the concrete sleeper can be used like a conventional concrete sleeper which has no measuring device. In this way, any number of concrete sleepers according to the invention can be installed along a railway track, which are prepared and suitable for receiving a measuring device. If necessary, then one or more concrete sleepers according to the invention are provided with the measuring device.
- the measuring device is used in the respective exception of concrete sleepers. In this way, different sections of the railroad track can be examined.
- the invention has the advantage that only a single measuring device or optionally several measuring devices are required, which are not permanently installed and installed to perform a measurement at a desired position. However, since the measuring device or the plurality of measuring devices can be installed exactly at a certain point of the rail chassis to perform a measurement, is efficient use possible. In contrast, the mentioned conventional concrete sleepers only allow one measurement at the installation location of the corresponding concrete sleeper. This results in the advantage that the detection of loads occurring during operation can be performed simply, flexibly, purposefully and inexpensively.
- the recess is formed by a hollow profile, which is preferably integrally connected to the concrete.
- the hollow profile may be, for example, a metal profile, in particular a steel profile or an aluminum profile.
- the hollow profile forms an exact contact surface for the measuring device, so that measurements can be carried out accurately and reproducibly.
- the hollow profile is firmly connected to the concrete body of the concrete sleeper, so that loads acting on the concrete sleeper are transmitted directly to the measuring device via the hollow profile.
- a hollow profile designed as a metal profile has a higher modulus of elasticity than the concrete surrounding it. Due to the hollow profile, the reduction in stiffness caused by the recess in the concrete body is approximately compensated.
- the hollow profile is designed such that the concrete sleeper according to the invention behaves approximately like a conventional concrete sleeper without a recess.
- the implementation of a measurement by means of the concrete sleeper according to the invention thus enables a realistic detection of the loads acting on conventional concrete sleepers during operation of the rail track.
- a development of the invention provides that the hollow profile of the concrete sleeper according to the invention has a rectangular or square or round cross-section.
- Such hollow profiles are commercially available.
- the cross section is rectangular or square.
- a rectangular or square cross-section has an upper and a lower inner surface facing each other. These surfaces can be used to the measuring device to be arranged exactly at a desired position so that the loads occurring are transmitted from the concrete sleeper via the hollow profile to the measuring device.
- the senor of the measuring device is accommodated in a sensor housing which can be inserted or inserted into the recess.
- the sensor of the measuring device can thus be used either directly in the hollow profile, alternatively, the sensor can be accommodated in a sensor housing.
- the sensor housing protects the measuring system against environmental influences and ensures a high quality of the recorded measurement data.
- the sensor housing is optional. If the measuring device is used without sensor housing, the recess, in particular the hollow profile can be closed at the free end, for example by a plug, a flap, a lid or the like.
- the senor can be fastened or fastened in the recess in a form-fitting and / or non-positive manner by means of a clamping device.
- a sensor housing is provided in which the sensor is accommodated, it may alternatively be provided that the sensor housing can be fastened or fastened in the recess in a form-fitting and / or non-positive manner by means of a clamping device.
- the recess is formed by a hollow profile, the sensor or the sensor housing by means of the clamping device in the hollow profile is positively secured and / or non-positively attached. By the positive or non-positive attachment ensures that the loads occurring during operation, in particular vertical forces, on the
- Measuring device are transferred so that an accurate metrological detection of the loads is possible.
- the frictional attachment can also be done by a magnet.
- the clamping device can be inserted into the recess and, on the one hand, to a ner inner surface of the recess and on the other hand supported on an outer surface of the sensor housing.
- the clamping device can thus be inserted into the recess, optionally in the hollow profile, and clamped there.
- the clamping device may comprise a first clamping plate which cooperates with a second clamping plate such that by a longitudinal displacement of the two superimposed clamping plates relative to each other the total thickness is adjustable.
- the first and / or the second clamping plate is shaped so that the desired thickness change results in a longitudinal displacement of the two clamping plates.
- the concrete sleeper comprises the first clamping plate and the second clamping plate.
- one of the clamping plates can be firmly connected to the measuring device.
- One of the clamping plates can thus also be designed as an outer side of the measuring device.
- a clamping plate is integrally connected to the measuring device.
- the first clamping plate may have a threaded bore and the second clamping plate may be longitudinally displaceable by means of a screw passing through the threaded hole.
- the screw By turning the screw the required longitudinal displacement of a clamping plate can be effected, whereby the other clamping plate is moved, so that the total thickness of the two clamping plates changes.
- the two clamping plates in the recess in particular in the hollow profile, can be clamped.
- One of the clamping plates is supported on an inner side of the recess, in particular on the inside of the hollow profile.
- the other clamping plate is supported on the measuring device, optionally on a sensor housing.
- the clamping plates each have a ramp profile, wherein the two ramp profiles are at least approximately opposite to each other.
- a ramp profile has one or more inclined surfaces.
- the clamping plates may also have a sawtooth profile with a plurality of inclined surfaces.
- the two clamping plates could also be formed as wedge profiles, so that in a relative displacement to each other in the longitudinal direction, the required change in the total thickness is effected, whereby the clamping is achieved.
- the sensor housing may preferably be formed as a tube.
- the tube may preferably have a round or an angular cross-section.
- a variant of the concrete sleeper according to the invention provides that the recess is formed as a passage opening.
- the passage opening can be penetrated by the hollow profile.
- the passage opening preferably extends in the longitudinal direction of the concrete sleeper.
- a stop for the measuring device possibly also two stops, be present. In this way, it is easily possible to insert the measuring device exactly at a certain position in the longitudinal direction in the recess and lock there by means of the clamping device.
- a first measuring device starting from one end and a second measuring device can be used starting from the opposite end.
- the concrete sleeper can have two or more recesses which preferably extend inwards in the longitudinal direction from both ends.
- the recesses may be positioned so that the measuring devices below the slide nenauflagen the concrete threshold can be positioned.
- a measuring device in the threshold center preferably in the vicinity of the top of the threshold, be arranged.
- the sensor is designed as a laser sensor having a laser light emitting transmitter and a receiver, which are spaced from each other, wherein the laser sensor is adapted to a by a force acting on the concrete sleeper load and / or to detect a deformation.
- the laser sensor comprises a measuring path which is formed between the sensor and the receiver.
- the transmitter and the receiver are aligned so that the laser light is incident on a particular position of the receiver. If the sensor experiences a load, in particular a vertical force, this force causes a bending load to be exerted on the measuring device and the laser light to strike the receiver at another position. This deviation is detected by the sensor. The deviation depends on the load acting on the concrete sleeper. Accordingly, the load occurring can be detected and characterized by the evaluation of the sensor signal.
- the measuring device is positioned in the recess such that the sensor is at least approximately below a rail support surface or in the region of the threshold center. If necessary, corresponding sensors can be located under both rail support surfaces.
- the concrete sleeper it may be provided that it has a further sensor which is arranged on the surface or at least in the vicinity of the surface of the concrete sleeper, in its central region.
- This sensor may be a force sensor or a sensor for detecting a tensile or compressive load.
- the invention relates to a method for detecting loads and / or deformations acting on a concrete sleeper during operation on a railway track.
- the inventive method is characterized in that a concrete threshold of the type described exhibiting a recess for a measuring device is used, and the measuring device is removably inserted in the recess.
- the following steps can be carried out in advance: positioning at least one force sensor for several concrete sleepers for detecting interpolation forces, determining which concrete sleeper experiences the relevant, especially the largest, load, and inserting the measuring device into the concrete sleeper with the largest one Burden.
- 1 is a sectional side view of a concrete sleeper according to the invention
- 2 is a view rotated by 90 degrees in the longitudinal direction
- FIG. 3 is an enlarged view of the left half of Fig. 1,
- FIG. 5 shows a plan view of the sensor housing shown in FIG. 4
- FIG. 6 shows a view of the profile of the sensor housing
- FIG. 7 is a side view of a first clamping plate
- FIG. 8 shows the clamping plate shown in Fig. 7 in a view from below
- FIG. 9 is a side view of a second clamping plate
- Fig. 10 is a plan view of the second clamping plate shown in Fig. 9, and Fig. 1 1 shows an embodiment of a method according to the invention.
- Fig. 1 is a side view of a concrete sleeper 1
- Fig. 2 is a contrast rotated 90 degrees view of the concrete sleeper 1 in the longitudinal direction.
- the concrete sleeper 1 comprises a cuboid basic body 2 made of concrete. At both ends of the concrete sleeper 1 threshold blocks 4 are formed, in this area, the concrete sleeper 1 has a raised top 5 with a rail support 6.
- the concrete sleeper 1 is provided for a plurality of tie rods 7.
- a total of six tension rods 7 are provided, the number of tension rods is determined depending on the expected loads and can vary.
- the recess 8 is formed by a hollow profile 9.
- the hollow section 9 consists of a steel alloy and has a rectangular cross-section.
- the hollow profile 9 is arranged in the base body 2, that the longer rectangular sides are aligned in the vertical direction.
- the hollow section 9 is poured in the production of the main body 2 of the concrete sleeper 1, whereby it is firmly connected to the base body 2.
- the recess 8 formed by the hollow profile 9 is formed as a through hole and thus extends from one end of the concrete sleeper 1 to the opposite end.
- the recess 8 is adapted to receive a measuring device. Due to the configuration of the hollow profile 9 as a passage opening, a measuring device can be inserted into the hollow profile 9 from both ends of the concrete sleeper 1. The measuring device is used only when needed, if no measurement is to be made, the recess 8 is empty or hollow. To protect against environmental influences, the recess 8 can be closed with a stopper or a lid.
- Fig. 1 it is shown that in the recess 8 two measuring devices are used. Below each rail support 6 is in each case a measuring device.
- the measuring device 10 comprises a sensor housing 1 1.
- the sensor housing 1 1 is designed as a push tube and takes the sensor 12 in its interior.
- Fig. 4 is a sectional side view and shows the insertion tube designed as a sensor housing 1 1 with the sensor 12 disposed therein.
- Fig. 5 is a plan view of the sensor housing 1 1
- Fig. 6 is a view of the sensor housing 1 1 in the longitudinal direction.
- the sensor housing 1 1 has a plurality of openings 13 at its top.
- two longitudinally extending openings 13 are provided, in addition, two smaller openings 14 are present, which have an oval contour.
- the size, position and number of openings 13, 14 is selected so that the reduction in rigidity caused by the recess 8 in the base body 2 of the concrete sleeper 1 is at least approximately compensated by the sensor housing 1 1.
- the square profile of the sensor housing 1 1 is selected so that the designed as a slide tube sensor housing 1 1 is inserted into the hollow section 9, as shown in Figures 1 and 3.
- the sensor 12 is formed as a laser sensor.
- the laser sensor comprises a transmitter 15 and a receiver 16 spaced therefrom. Between the transmitter 15 and the receiver 16, a measuring path is formed.
- the transmitter 15 emits laser light incident on the receiver 16.
- the transmitter 15 and the receiver 16 are coordinated so that the laser light impinges on a specific point of the receiver 16.
- Fig. 1 it can be seen that the sensor 12 is located in the installed state exactly below a rail support 6.
- the vertical force is transmitted via the rail to the rail supports in the base body 2 of the concrete sleeper 1. This vertical force causes a force acting on the sensor housing 1 1 bending load.
- This bending load occurring between the transmitter 15 and the receiver 16 results in the laser light emitted by the transmitter 15 occurring at a different location on the receiver 16.
- a measuring signal supplied by the laser sensor is a measure of the bending load.
- the measuring signal gives the Deviation between the position on which the laser light without load occurs and the position at which the laser light is incident when loaded by a rail vehicle. Accordingly, it can be concluded by the detection and evaluation of the measurement signal supplied by the sensor 12 on the size and the time course of an occurring load.
- the sensor housing 1 1 is positively and / or non-positively coupled to the recess 8 and the recess 8 forming hollow section 9. In this case, the loads generated by the railroad crossing the concrete sleeper 1 are transmitted to the sensor housing 1 1 and the sensor 12. It is therefore essential that the sensor housing 1 1 is firmly received in the concrete sleeper 1.
- the sensor housing 1 1 accommodating the sensor 12 is fastened in the recess 8 in a form-locking and / or force-locking manner by means of a clamping device.
- the clamping device can be inserted into the recess 8 and comprises a first clamping plate 17, which is shown in a side view in FIG. 7 and in a view from below in FIG. 8.
- the clamping plate 17 At one end, which forms the outer end of the clamping plate 17 in the mounted state, the clamping plate 17 has an end section 18 angled off by 90 degrees, which is provided with a threaded bore 19.
- the clamping plate 17 has a ramp profile 20. Overall, as can be seen in FIGS. 7 and 8, there are two sections provided with the ramp profile 20.
- a first section is approximately in the middle of the first clamping plate 17, a second section is located at the inner end of the clamping plate 17.
- the ramp profile comprises in this embodiment, one or two ramps 21, starting from the plate-shaped base body of the clamping plate 17th extend obliquely downwards.
- the directional indication "below” refers to the mounting state.
- the sections having the ramp profile shown in Figures 7 and 8 are to be understood as examples only.A ramp profile may alternatively consist of a different number of individual ramps and the ramps may another angle of inclination have. It is essential, however, that the ramp 21 extends from the base body of the clamping plate 17 downwards and inwards.
- FIGS. 9 and 10 are side views showing the second clamp plate 22 in the assembled state.
- FIG. 10 is a plan view of the second clamp plate 22.
- the second clamping plate 22 has a section 23 angled off at 90 degrees at its outer end.
- the angled section 23 has a blind hole 24.
- the second clamping plate 22 has a ramp profile 25 which is formed on two sections. The positions of the ramp profile 25 having portions corresponding to those of the first clamping plate 17.
- the ramp profile 25 faces upward.
- the ramp profile 25 includes one or two ramps 26 inclined to the horizontal axis.
- a ramp 26 extends upwardly and outwardly from the main body 2 of the second clamping plate 22 with respect to the installed state.
- the directional indication "outside" designates an axial end of the concrete sleeper 1.
- the first clamping plate 17 and the second clamping plate 22 together form a clamping device 27.
- Fig. 3 the clamping device 27 in the assembled state, ie in the concrete sleeper 1, is shown.
- the clamping device 27 is mounted by the first clamping plate 17 and the second clamping plate 22 are placed on each other so that the respective ramp profiles 20, 25 are opposite.
- the two ramp profiles 20, 25 are approximately opposite to each other. Accordingly, the inclined ramps 21, 26 of the two clamping plates 17, 22 are each opposite.
- the clamping device 27 is - as shown in Fig. 3 - positioned on the top of the sensor housing 1 1 and used together with the sensor housing 1 1 in the hollow section 9.
- the thickness of the two-part clamping device 27 and the thickness of the sensor housing 1 1 is so on adjusted the clear height of the hollow section 9, that the clamping device can be inserted together with the sensor housing 1 1 from the outside into the recess 8 and the hollow section 9 of the base body 2 of the concrete sleeper 1. Subsequently, the clamping of the sensor housing 1 1 takes place by means of the Klemmvor- direction 27.
- a screw is screwed into the threaded bore 19 of the angled portion 18 of the first clamping plate 17. By turning the screw, its outer end passes into the blind hole 24 of the angled section 23 of the second clamping plate 22. By turning the screw, the second clamping plate 22 is displaced in the longitudinal direction relative to the first clamping plate 17.
- the second clamping plate 22 is moved into the interior of the recess 8.
- the opposing and mutually contacting ramps 21, 26 of the two clamping plates 17, 22 slide on each other, whereby the total thickness increases.
- the screw is rotated until the top of the first clamping plate 17 contacts the upper inner surface of the hollow profile 9. In this way, the clamping device 27 clamps the sensor housing in the hollow section 9.
- Fig. 3 it can be seen that the clamping effect causing ramp profiles 20, 25 are each at the point at which also the transmitter 15 and the receiver 16 of the laser sensor are.
- the clamping device 27 thus the sensor housing 1 1 and the sensor 12 comprehensive measuring device 10 is positively and / or non-positively connected to the base body 2 of the concrete sleeper 1.
- the screw is rotated in the reverse direction, thereby the two clamping plates 17, 22 are again displaced in the longitudinal direction, so that they can be removed together with the sensor housing 1 1 from the recess 8 ,
- the concrete sleeper 1 may optionally have a further, third sensor, which is mounted on the top of the concrete sleeper, in the middle. Such a sensor (not shown) serves to detect a tensile or compressive load.
- FIG. 1 shows a method for detecting loads and / or deformations acting on a concrete sleeper of a railway travel path during operation. In Fig. 1 1, an arrangement with a plurality of Betonschweiler 1 is shown.
- Each of the concrete sleepers 1 corresponds to the above-described concrete sleeper and has force sensors 28, 29 which are designed to detect support point forces and are arranged on the upper side of the concrete sleeper 1 in an intermediate position below the rails 30.
- the force sensors 28, 29 can also be installed later.
- the force sensors 28, 29 detect vertical forces that occur when driving on the railway track.
- the force sensors are shown in Fig. 1 1 only at a concrete threshold.
- the measuring device 10 is inserted into the identified concrete sleeper. Subsequently, by means of the measuring device 10, as described above, the loads and / or deformations which act during operation are determined.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Bridges Or Land Bridges (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Railway Tracks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017120071.1A DE102017120071A1 (de) | 2017-08-31 | 2017-08-31 | Betonschwelle für einen Eisenbahnfahrweg und Verfahren zum Erfassen von Lasten und/oder Verformungen |
PCT/EP2018/067898 WO2019042629A1 (de) | 2017-08-31 | 2018-07-03 | Betonschwelle für einen eisenbahnfahrweg |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3676449A1 true EP3676449A1 (de) | 2020-07-08 |
EP3676449B1 EP3676449B1 (de) | 2023-05-03 |
Family
ID=62904427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18740136.9A Active EP3676449B1 (de) | 2017-08-31 | 2018-07-03 | Betonschwelle für einen eisenbahnfahrweg |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3676449B1 (de) |
DE (1) | DE102017120071A1 (de) |
ES (1) | ES2951154T3 (de) |
HU (1) | HUE062959T2 (de) |
WO (1) | WO2019042629A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE537617C (de) * | 1928-11-07 | 1931-11-06 | Wirtschaftlichen Bahnoberbau M | Schienenstossverbindung mittels an die Koepfe und Fuesse der Schienenenden angeschweisster Laschen |
DE3844663A1 (de) * | 1988-05-04 | 1990-06-28 | Strabag Bau Ag | Einrichtung zum ueberwachen und/oder steuern eines schienengebundenen verkehrs |
DE4023745A1 (de) | 1990-07-26 | 1992-01-30 | Pfister Gmbh | Schwelle zur auflage von eisenbahnschienen |
DE10060380B8 (de) * | 2000-12-05 | 2006-02-09 | Ge Transportation Systems Gmbh | Verfahren und Vorrichtung zur Heißläufer- und Festbremsortung |
DE202005015790U1 (de) * | 2005-10-07 | 2005-12-29 | Neuroth, Bernd | Temperatur-Überwachungsvorrichtung für Radsatzlager |
DE202008012250U1 (de) * | 2008-09-16 | 2008-11-20 | Neuroth, Bernd, Colmenar Viejo | Temperatur-Überwachungsvorrichtung für Radlager von Schienenfahrzeugen |
DE102010009754A1 (de) * | 2010-03-01 | 2011-09-01 | Schenck Process Gmbh | Schwelle zur Auflage von Schienen |
FR2983812B1 (fr) | 2011-12-09 | 2015-06-05 | Sateba Systeme Vagneux | Support en beton instrumente pour rails de voie ferree |
PL3390723T3 (pl) * | 2015-12-17 | 2020-10-19 | Siemens Mobility Pty Ltd. | System pomiaru przemieszczenia torów kolejowych i sposób proaktywnej obsługi technicznej |
-
2017
- 2017-08-31 DE DE102017120071.1A patent/DE102017120071A1/de active Pending
-
2018
- 2018-07-03 EP EP18740136.9A patent/EP3676449B1/de active Active
- 2018-07-03 ES ES18740136T patent/ES2951154T3/es active Active
- 2018-07-03 WO PCT/EP2018/067898 patent/WO2019042629A1/de unknown
- 2018-07-03 HU HUE18740136A patent/HUE062959T2/hu unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019042629A1 (de) | 2019-03-07 |
DE102017120071A1 (de) | 2019-02-28 |
EP3676449B1 (de) | 2023-05-03 |
ES2951154T3 (es) | 2023-10-18 |
HUE062959T2 (hu) | 2023-12-28 |
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