EP1337816A1 - Dispositif de pesee pour vehicules sur rails - Google Patents

Dispositif de pesee pour vehicules sur rails

Info

Publication number
EP1337816A1
EP1337816A1 EP01947404A EP01947404A EP1337816A1 EP 1337816 A1 EP1337816 A1 EP 1337816A1 EP 01947404 A EP01947404 A EP 01947404A EP 01947404 A EP01947404 A EP 01947404A EP 1337816 A1 EP1337816 A1 EP 1337816A1
Authority
EP
European Patent Office
Prior art keywords
rail
weighing device
force
concrete
weighing
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.)
Withdrawn
Application number
EP01947404A
Other languages
German (de)
English (en)
Inventor
Peter Groll
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.)
Schenck Process Europe GmbH
Original Assignee
Schenck Process 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.)
Filing date
Publication date
Application filed by Schenck Process GmbH filed Critical Schenck Process GmbH
Publication of EP1337816A1 publication Critical patent/EP1337816A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/04—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles
    • G01G19/045—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles for weighing railway vehicles in motion
    • G01G19/047—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing railway vehicles for weighing railway vehicles in motion using electrical weight-sensitive devices

Definitions

  • the invention relates to a weighing device for rail vehicles according to the preamble of patent claim 1.
  • EP 0 500 971 A1 also discloses dynamic weighing methods for rail vehicles which do not require a complex track substructure. For this purpose, the shear stress in the neutral phase of the rail is recorded and evaluated. For this purpose, a weighing rail, which is applied with strain gauges, is welded into the rail network, in which case between the
  • Thresholds are arranged at least two strain gauges.
  • the wagon weight is determined by adding the weight signals by axis.
  • the wheel load causes the rail and the rail support to deflect
  • the train normally moves in a plane below the plane defined by the unloaded rail, while at the same time the rail deflection generates vibrations in the vertical plane between the sleepers.
  • this leads to changes in the vertical forces and thus to measurement inaccuracies, which can only be avoided by a larger number of measuring points.
  • such a weighing device is difficult to calibrate, since static weighing devices must be available for this purpose, which today are usually only available at a great spatial distance.
  • a weighing device for rail vehicles for static and dynamic weight determination in which force measuring cells are arranged between the rails and a cross member, by means of which the axle load of an overriding railway wagon can be determined.
  • the rails are each provided with three recesses arranged one behind the other in the rail foot and web, so that the rails are supported in an articulated manner on the load cells. Due to this articulated support of the two sections of each rail, an elaborate foundation or frame construction is required in any case, which absorbs the axle load relative to the ground.
  • the cross members obviously consist of double-T-shaped steel girders, which cannot be installed in the rail network without major renovation work.
  • a measuring section for rail vehicles is known from EP 0 468 397 B1, in which the measuring devices for determining the vertical forces acting on the rails are embedded in the rail sleepers, without a frame or a special foundation being provided.
  • the measuring devices consist of pressure transducers which are inserted into a hole in the sleepers below the rails. Due to the indefinable elastic behavior of ballast and subsoil, a clear load distribution to individual pressure transducers and sleepers is not possible while driving, so that dynamic weight determination is likely to be associated with not inconsiderable errors that affect the accuracy requirements. not meet the requirements, especially for a calibratable weight measurement.
  • the invention is therefore based on the object of creating a weighing device for rail vehicles which requires only minor structural changes in the rail network and with which high accuracy can nevertheless be achieved.
  • ballast gluing technology in track construction, in which the ballast bed is stabilized with an epoxy resin.
  • the epoxy resin is sprayed onto the ballast bed with a hardener, which penetrates into it due to its viscosity and sticks together the contact surfaces of the ballast stones.
  • This ballast bonding technology is used in track construction to increase the lateral resistance of railway sleepers in order to enable higher train speeds in the curves. In any case, it is not known to provide this ballast bonding for supporting a weighing platform.
  • the invention has the advantage that both a static and a dynamic weight measurement of rail vehicles is made possible by the force transducers on an almost standardized concrete sleeper below the continuous rails.
  • a weighing device can be calibrated in a simple manner even for dynamic weight determinations, without the need to use a weighbridge that is far away.
  • the invention also has the advantage that the weighing device is basically built on a standardized concrete sleeper, which can be mass-produced inexpensively and can be easily installed in the rail network.
  • a standardized concrete sleeper it is particularly advantageous that the prestressed reinforcement in the concrete sleeper can be kept largely undamaged, so that the sleepers form a torsion-resistant underlay that is necessary for accurate weight measurement.
  • such standard concrete sleepers advantageously also have a relatively high dead weight, so that natural swinging on the weighing line is largely damped when the vehicle is moving rapidly, thereby advantageously permitting highly precise dynamic weighing at a relatively high speed.
  • the use of the larger and heavier standardized turnout sleepers has proven to be advantageous, since they have a particularly torsion-resistant and vibration-damping effect and thus enable a very accurate legal-for-trade weighing.
  • Force transducers on the top of the concrete sleeper is also advantageously a side exchange of the force transducers possible for repair and maintenance work. It is particularly advantageous in the invention that the entire weighing device consists of only one or more sleepers with force transducers arranged thereon, which are installed in the normal ballast track bed like other sleepers. This eliminates the necessary transport problems of long track sections or of concrete or steel components, as are otherwise necessary for static weighbridges.
  • the invention has the advantage that the entire measuring technology can be fastened prefabricated on largely standardized concrete sleepers without great effort. Such pre-made sleepers can then be used in a simple manner Variable bridge lengths can be put together with, for example, a sleeper for a single-axle weighing or with eight sleeper for a three-axle bogie or forty sleeper for a complete, highly accurate wagon weighing.
  • Another advantage of the invention is that the sleeper is glued into a stabilized ballast bed, with no bridge construction being necessary, as is otherwise the case with concrete or steel bridges.
  • jumps in stiffness such as with concrete or steel bridges, can be avoided, since in a defined approach and departure area there is a continuous increase or decrease in stiffening, so that the excitation of wagon interference caused by the track position is minimized during the weighing process.
  • the force shunt effect can be corrected or reduced by the uninterrupted rail track. This also eliminates the need for rail switches that are otherwise necessary to determine the type of wagon in a weighing vehicle.
  • Fig. 1 a schematic weighing device with two
  • a weighing device for rail vehicles with two glued-in standardized concrete sleepers 2 is shown as a cross member in a bonded ballast bed 6, with a measuring eye as a shear stress sensor 1, 11 for force shunt correction in the area at the beginning and end of the measuring section in each rail 7 the threshold compartment is provided.
  • the two concrete sleepers 2, 8 shown are arranged in a ballast bed 6, as is customary as a rail track in railway construction.
  • the two concrete sleepers 2, 8, like other sleepers are arranged parallel to one another transversely to the direction of travel, these being surrounded by the stones representing the ballast bed 6.
  • the ballast stones are sprayed with a two-component epoxy resin-based adhesive with hardener, so that ballast bonding occurs due to the liquid adhesive penetrating into the ballast bed 6.
  • the concrete sleepers 2, 8 are also glued to the ballast stones.
  • This ballast bonding has so far been used to protect track construction work before gravel flight on high-speed routes and for stabilization at transition areas between gravel roads and permanent roads. In many cases, such ballast bonding is already provided for stabilization in curves, on switches and on the edges of roads in train stations.
  • ballast bonding has proven to be advantageous, which is carried out approx.
  • One wagon length before and one wagon length after the one or more concrete sleepers 2, 8 and, depending on the load, is to be carried out to a depth of 0.5 m.
  • the ballast stones stick together at their points of contact or edges so that a firm, stabilized ballast bed 6 is formed.
  • the stabilization of the ballast bed 6 is dependent on the amount and penetration depth of the two-component adhesive and the grain size of the ballast stones, a grain size of small ballast stones in particular increasing the stabilization.
  • ballast bed 6 Different degrees of stabilization of the ballast bed 6 can thus be produced, so that in particular a steady increase in stiffening or strengthening at the beginning and / or a steady decrease in the end of the weighing device is advantageous.
  • the concrete sleepers 2, 8 are glued to them, so that a non-positive connection between the concrete sleepers 2, 8 and the ballast bed 6 is also produced.
  • the concrete sleepers 2, 8 are essentially designed like standardized concrete sleepers, preferably like switch sleepers, only with the difference that fastening plates 22 are cast on their support side, on which the force transducers 3, 10 or the load cells are fastened under the rails 7. This is shown in more detail in Fig. 2 of the drawing. In Fig. 2, the same reference numerals as in Fig. 1 are used for the same parts.
  • the fastening plates 22 are made of a torsionally rigid steel sheet provided that contains reinforcing elements 28 on the underside, which are firmly integrated into the concrete body. In these fastening plates 22, threaded bores 27 are provided at the provided locations, through which the load cells 3, 10 are non-positively connected to the concrete sleeper 2, 8.
  • the concrete sleepers 2, 8 are preferably made of reinforced concrete and are manufactured in a concrete casting process under tensile loading of the steel reinforcement. However, the sleepers can also be made from other materials suitable for producing sleepers.
  • the concrete sleepers 2, 8 are surrounded above the mounting plate 22 up to the rail base with a cover 4, 9 made of sheet steel, under which the force transducers 3, 10 are protected and the cabling is carried out between the transducers.
  • Each switch box 24 of a threshold 2 is connected to the other thresholds 8 via a connection channel 5 which leads these devices to a central evaluation device 12.
  • the force measuring devices or load cells 3, 10 provided on the fastening plate 22 are provided on their upper side with connecting elements which establish a firm connection with the rail 7 lying above.
  • an adapter plate 15 with clamping connections 14 is preferably provided, the clamping connection being designed in the same way as is also common for connecting the rails 7 to the other sleepers.
  • the adapter plate 15 represents a connecting element, which is fixed or detachable (screw connection) to the force measuring device or load cell 3, 10 and permits adaptation of different rails or rail foot designs.
  • other connections tion elements are provided if this is necessary or advantageous due to the design of the force measuring devices.
  • the rails 7 are designed without interruption in the area of the weighing device and represent conventional travel rails.
  • the entire weighing device is preferably formed from six to eight sleepers with weighing devices located thereon, which are suitable for weighing railway wagons or other rail vehicles with up to three-axis bogies and a measuring section of four to five meters. For reasons of clarity, however, only two sleepers 2, 8 provided with weighing devices 3, 10 are shown in the exemplary embodiment described. To determine the weight of rail vehicles with only two axles, however, weighing devices on only one threshold 2 would also be sufficient. For special accuracy requirements and for the static weighing of complete railway wagons, weighing devices can also be provided on forty sleepers with a measuring distance of 25 m.
  • a so-called measuring eye is at the beginning and / or at the end of the measuring section in the middle between the first or last threshold 2, 8 provided with weighing devices and the neighboring threshold
  • Shear stress sensor 1, 11 provided in the neutral fiber of each rail 7. With such a measuring eye 1, 11, the shear stress that occurs when a vehicle axle rolls over in the neutral fiber of each rail 7 can be measured in a simple manner.
  • Such measuring eyes 1, 11 have proven to be advantageous since they are designed as a circular pickup unit with strain gauges.
  • These measuring eyes 1, 11 can advantageously be fastened in a bore in the neutral fiber of each rail 7 in a simple manner.
  • Such shear stress transducers can also be be be designed, for example, they can also be applied directly to the rail web.
  • shear stress sensors 1, 11 detect a force when crossing the axis of a rail vehicle in accordance with the force shunt effect, which falsifies the weighing result that is measured by the force measuring device on the sleepers 2, 8. This falsification by the force shunt effect is greater, the stronger this coupling to the force measuring device 3, 10 is. If only one weighing device 3 is provided on only one threshold 2, a relatively large force bypass error arises. In a weighing device with weighing devices 3 on several sleepers 2, 8, this force shunt error is reduced accordingly.
  • both the signals of the shear stress sensors 1, 11 and the force measuring devices 3, 10 of each threshold are fed to a central evaluation device 12.
  • the weighing device 3, 10 can first be statically calibrated.
  • the location-dependent secondary force effect is also detected by means of the shear stress sensors 1, 11.
  • a reference mass or the test device is placed at different positions on the measuring section.
  • this process can also be carried out automatically with a moving reference mass.
  • the correction functions derived from the shear stress measurements of the calibration process are stored in the central evaluation device 12.
  • the static weights can then be determined for unknown masses.
  • the weighing device 3, 10 can in turn be dynamically calibrated using these weights.
  • the thus determined dynamic correction functions are also stored in the central evaluation device 1 10th So it is Evaluation device 12 stored. It is therefore possible to calibrate such a weighing device statically and dynamically in a simple manner using known reference masses or a test device, as well as other unknown masses.
  • the weighing signal calibrated in this way in the central evaluation device 12 can be queried or displayed at its output 13 for further processing or for display by another device.
  • Recess in the rail foot and web can be reduced so far that their influence on the measurement result is only insignificant.
  • a recess is made in the rail foot and web in front of the first threshold 2 provided with weighing devices, but this does not interrupt the drive-over part, so that an articulated coupling is produced.
  • the force shunt effect is less, the further this joint is removed from the first measuring device 3 without bearings and the less bending stress is transmitted through the joint.
  • a certain shear stress must not be exceeded in this joint in order not to be damaged when driving over a permissible load, a certain force bypass effect cannot be prevented.
  • the shear stress sensors 1, 11 are also used as rail switches. For this purpose, with the help of predetermined center distances of known rail vehicles by the central evaluation device 12, the beginning and the end of each driving vehicle determined. The vehicle weight can then be determined in the evaluation device 12 from the known and measured center distances.
  • the evaluation device 12 determines non-roundness and flat spots on the wheels of the rail vehicles traveling over.
  • the weighing signals are separated from known interference components such as, for example, wagon vibrations or the sinusoidal movement in filter device 12 in filter device 12, and the wagons are added up.
  • the force shunt error determined by the shear stress transducers 1.11 is advantageously taken into account so that this sum of the signal components corresponds to the weight of the wagon or vehicle and can be displayed as such.
  • the evaluation device 12 By summing up the detected wheel contact force signals when crossing the measuring section, the evaluation device 12 forms an average value which would correspond to the signal curve of an exactly round wheel on the rail.
  • the vertical force fluctuations are related to the determined mean value in the evaluation device 12. Insofar as regular deviations such as wagon vibrations, sinus movement and comparable disturbance components have already been taken into account in the mean value, the deviation represents a measure of the out-of-roundness of the wheel being assessed. This out-of-roundness can then be displayed or signaled as an out-of-round defect if a predetermined limit value is exceeded.
  • the evaluation device 12 can also be designed so that a reference signal curve is determined from the detected and stored vertical force signals. Such a reference signal curve could be implemented by applying the rules of nonlinear dynamics with the help of arithmetic circuits. By comparing the reference signal curve with the actual signal curve of a wheel, the evaluation device 12 can then determine and display an out-of-roundness or a flat spot. In this case, the evaluation device 12 can also compare and evaluate the wheels rolling in parallel over the two rails 7 in order to increase the detection accuracy of the out-of-roundness. For example, there is a shift in the center of gravity on an axle if a wheel is out of round. Such criteria could also be used to assess the out-of-roundness.
  • the length of the measuring section or the overrun speed must be specified.
  • out-of-roundness or flat spots on wheels can already be determined from measuring sections with only one sensor.
  • Such a device for determining out-of-roundness and flat spots could be combined with a weighing device in such a way that it is used for non-roundness at normal driving speeds and for weighing at slow driving speeds.
  • the evaluation device would have to be given 12 limit load ranges for certain wagon types, which would be compared to the measured weight after its identification and a determined overload would be signalable or displayable.
  • the evaluation device 12 could be calculate the center of gravity of the measured axle loads and, after identifying the type of wagon, using the specified center distances and, if the center of gravity deviates from a specified range, also signal or display this.
  • the threshold 2 of the drawing shows a force measuring device as a sectional view of a section of a threshold 2 with a load cell 3 arranged thereon below a rail 7.
  • the threshold 2, on which the load cell 3 is arranged represents an almost standardized concrete sleeper, as is usually installed as a base for the rails 7 in a ballast bed 6. Because of the larger contact surface and the higher dead weight, a standardized turnout sleeper is advantageously used, the width of which is somewhat larger and the weight of which is somewhat higher than that of conventional rail sleepers.
  • These sleepers 2 are equipped with tension reinforcement elements, as are usually also arranged in turnout sleepers. This results in a particularly torsionally rigid design.
  • the threshold 2 used only differs in that it has a fastening plate 22 which is provided in the region of the rail fastening.
  • This fastening plate 22 contains reinforcement elements 28 on its underside, which are cast in on the top of the concrete sleeper 2.
  • This mounting plate 22 generally represents a flat steel plate, which represents a particularly flat and precise mounting platform under the rail 7 and contains the fastening elements with which the rail 7 or load cells 3 arranged below the rail 7 can be fastened to the sleeper 2.
  • these fastening elements can represent threaded bores 27 with which the load cell 3 is firmly attached to the fastening plate 22. The surface closes before the mounting plate 22 approximately with the upper edge of the upper contact surface of the threshold 2.
  • This mounting plate 22 can also be slightly embedded in the surface of the threshold 3 in order to gain additional mounting space under the rail 7. However, this lowering of the mounting plate 22 is only possible to the extent that the tensioning reinforcement within the concrete sleeper 2 is not weakened, so that the torsional rigidity of the sleeper 2 is maintained.
  • a mounting plate 29 is screwed onto this mounting plate 22, to which the force measuring device is attached as a load cell 3.
  • the load cell 3 is provided transversely under the rail 7, so that the rail 7 is supported on the load cell 3.
  • This load cell 3 contains a force introduction part 18, a deformation body 17, to which strain gauges 20 are applied, and a force discharge part 21, which is firmly connected to the assembly platform 29.
  • the load cell 3 is double S-shaped, so that the force introduction parts 18 and the force discharge parts 21 are simultaneously provided as force feedback elements.
  • the force introduction element 18 and the force discharge element 21 are separated from the deformation part by two horizontal slots 16, 26.
  • the deformation part 17 contains a mirror image of a center line four opposite horizontal blind bores 19, so that between the four bores 19 two separate vertical ones
  • the load cell 3 could also be designed as a simple S-shaped load cell, provided that lower accuracy requirements are sufficient or a larger number of load cells is provided.
  • clamp connection 14 is part of a connection element, which is designed as a separate adapter plate.
  • the adapter plate 15 is provided for a particular type of rail and is non-positively connected to the force introduction part 18 of the load cell 3 via a screw connection.
  • Load cells 3 with force feedback elements are advantageously provided, since in these the measured force is largely independent of the force introduction location, so that shifts in the center of gravity on the rail 7 have no influence on the measurement result. It is therefore advantageously also possible to use weighing beams with force feedback elements, the rail 7 being fastened to an upper force feedback element, while a lower force feedback element would have to be firmly connected to the surface of the fastening plate 22.
  • a sheet steel housing is provided as a protective cover 4, 9 above the sleepers 2 and at the level of the force measuring device 3, which surrounds the load cells 3, 10 and the associated evaluation devices on the surface of the upper side of the sleepers.
  • This protective housing 4, 9 runs in any case below the lower edge of the rail and can be removed for repair and service tasks.
  • an additional switch housing 24 into which the connecting cables of the force transducers 3, 10 and the measuring eyes 1, 11 are guided so as to prevent damage.
  • this switch box 24 there are also additional electrical circuits which are used for feeding and distance-independent signal conversion (A / D converter).
  • a tubular connection channel 5 is provided above the ballast bed 6 in the rail direction, through which the individual sleepers 2, 8 provided with load cells 3, 10 are electrically connected to one another and to the central evaluation device 12.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

L'invention concerne un dispositif de pesée pour véhicules sur rails, qui est fixé en premier lieu sur des traverses en béton (2,8) normalisées conventionnelles. Les traverses en béton (2,8) conventionnelles sont munies de plaques de fixation (22) en dessous du dégagement de rail, plaques de fixation sur lesquelles les capteurs dynamométriques (3,10) et les cellules de pesée sont fixés. Il est prévu comme capteurs dynamométriques (3,10) des éléments de retour de force reliés d'une part à la traverse (2,8) et d'autre part aux rails (7). Les traverses en béton (2,8) munies des capteurs dynamométriques (3,10) sont insérés par collage dans un ballast (6) stabilisé par collage. A cet effet, il est prévu des dispositifs de pesée comportant entre une et quarante traverses de béton (2,8) munies de cellules de pesée (3,10) qui permettent de déterminer le poids des véhicules sur rails ou de parties de ces véhicules, aussi bien sur le plan statique que sur le plan dynamique.
EP01947404A 2000-06-30 2001-06-26 Dispositif de pesee pour vehicules sur rails Withdrawn EP1337816A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000131092 DE10031092A1 (de) 2000-06-30 2000-06-30 Wägevorrichtung für Schienenfahrzeuge
DE10031092 2000-06-30
PCT/EP2001/007280 WO2002003040A1 (fr) 2000-06-30 2001-06-26 Dispositif de pesee pour vehicules sur rails

Publications (1)

Publication Number Publication Date
EP1337816A1 true EP1337816A1 (fr) 2003-08-27

Family

ID=7646850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01947404A Withdrawn EP1337816A1 (fr) 2000-06-30 2001-06-26 Dispositif de pesee pour vehicules sur rails

Country Status (4)

Country Link
EP (1) EP1337816A1 (fr)
AU (1) AU2001269094A1 (fr)
DE (1) DE10031092A1 (fr)
WO (1) WO2002003040A1 (fr)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
DE10229512B4 (de) * 2002-07-02 2004-05-27 Inwatec Gmbh Verfahren zum Erfassen von Radlasten von Schienenfahrzeugen und mobile Messeinrichtung
DE10305470A1 (de) * 2003-02-13 2004-08-26 Schenck Process Gmbh Meßstrecke zur Erfassung unterschiedlicher physikalischer Größen schienengebundener Fahrzeuge
DE10347812B4 (de) * 2003-10-10 2014-07-10 Hottinger Baldwin Messtechnik Gmbh Kraftmessvorrichtung zur Erfassung der Schienenbelastung
DE102004017613B4 (de) * 2004-04-07 2006-03-02 Hottinger Baldwin Messtechnik Gmbh Kraftmessvorrichtung zur Erfassung der Schienenbelastung
DE102004030742B4 (de) * 2004-06-25 2006-06-01 Schenck Process Gmbh Verfahren zur Ermittlung von Referenzgewichten mit einer dynamischen Gleiswaage
DE102005057473B4 (de) * 2005-11-30 2012-09-20 Schenk Process Gmbh Verfahren und Vorrichtung zur Erfassung von auf eine Schiene einwirkenden Kräften
RU2376561C1 (ru) * 2008-05-20 2009-12-20 Виктор Алексеевич ЛУЧКИН Рельсовая подкладка
RU2376559C1 (ru) * 2008-05-20 2009-12-20 Виктор Алексеевич ЛУЧКИН Способ измерения веса и диагностики железнодорожного транспорта под подошвой рельса с применением весовой рельсовой подкладки
RU2376560C1 (ru) * 2008-05-20 2009-12-20 Виктор Алексеевич ЛУЧКИН Весы для взвешивания подвижных железнодорожных объектов в движении и статике с применением рельсовой подкладки
DE102011086759B4 (de) 2011-11-21 2014-09-04 Bauhaus Universität Weimar Verfahren und Vorrichtung zur Ermittlung von Radlasten von Schienenfahrzeugen

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DE4023745A1 (de) * 1990-07-26 1992-01-30 Pfister Gmbh Schwelle zur auflage von eisenbahnschienen
DE4439342C2 (de) * 1994-11-04 1997-02-20 Deutsche Bahn Ag Anordnung zur Ermittlung unrunder Räder von Eisenbahnfahrzeugen
DE19859492A1 (de) * 1998-12-22 2000-07-06 Schenck Process Gmbh Wägevorrichtung für Schienenfahrzeuge
DE19861099A1 (de) * 1998-12-22 2000-07-06 Schenck Process Gmbh Wägevorrichtung für Schienenfahrzeuge

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
WO2002003040A1 (fr) 2002-01-10
AU2001269094A1 (en) 2002-01-14
DE10031092A1 (de) 2002-01-10

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