WO2007033637A1 - Systeme et procede de test de charge d'un arbre d'essieu - Google Patents

Systeme et procede de test de charge d'un arbre d'essieu Download PDF

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Publication number
WO2007033637A1
WO2007033637A1 PCT/DE2006/001507 DE2006001507W WO2007033637A1 WO 2007033637 A1 WO2007033637 A1 WO 2007033637A1 DE 2006001507 W DE2006001507 W DE 2006001507W WO 2007033637 A1 WO2007033637 A1 WO 2007033637A1
Authority
WO
WIPO (PCT)
Prior art keywords
force
wheelset
transmission element
shaft
wheelset shaft
Prior art date
Application number
PCT/DE2006/001507
Other languages
German (de)
English (en)
Inventor
Jürgen KLOCK
Sven Dostal
Martin Grosse-Hovest
Gerhard Fischer
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Priority to EP06791322A priority Critical patent/EP1926981A1/fr
Publication of WO2007033637A1 publication Critical patent/WO2007033637A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/08—Railway vehicles
    • G01M17/10—Suspensions, axles or wheels

Definitions

  • the present invention relates to a device and a method for load testing a wheelset, with a holding device in which the wheelset shaft can be rotatably mounted in the region of both ends, a drive means for a rotary drive of the axle in the holding device and a load device for the wheelset.
  • EP 0 232 855 B1 discloses a method and a device for testing rail vehicle wheels with which the load conditions occurring in practice in a rail vehicle wheel set can be simulated and thus rail vehicle wheel sets can be tested.
  • the device proposed in this document has a drum bearing with rail ring for driving the wheels of the wheelset and at least two radial loading devices.
  • the drum bearing is designed as a load drum for a targeted axial load of the wheelset during rotation of the axle.
  • the radial loading devices engage at one of the two free ends of the wheelset shaft via one of the two Wheelset bearings in which the shaft is supported.
  • the loading device described in the publication is very expensive due to the required load drum with rail ring. Furthermore, only the complete wheelsets, ie the
  • Wheelsets are checked with the attached wheels in this loading device.
  • the object of the present invention is to provide a device and a method for
  • the present device for load testing a wheel set shaft comprises a holding device in which the wheelset shaft can be rotatably mounted in the region of both ends, acting on the wheelset drive means for a rotary drive of the axle in the holding device and a loading device for the wheelset.
  • Loading device in the present device has a force transmission element and two forces connected to the force transmission element on line units.
  • the power transmission element which preferably comprises a roller bearing assembly for coupling to the wheelset shaft, encloses a wheel set shaft mounted in the holding device at one location and permits rotation of the axle set shaft in the holding device.
  • a first of the two force introduction units can exert a force acting vertically to the wheelset shaft on the axle.
  • a second of the two force introduction units can exert a force acting parallel to the wheelset shaft force at a distance to the axle on the force transmission element, so that with this acting parallel to the wheelset shaft force on the power transmission element, a bending moment can be exerted on the wheelset.
  • the force introduction units are preferably connected via joints with the power transmission element.
  • the loading forces comprise at least one force perpendicular to the gearset shaft, hereinafter referred to as vertical force F 2 , and a force acting parallel to the wheelset shaft on the force transmission element, hereinafter referred to as side force F ⁇ .
  • the vertical force is introduced directly into the examination cross-section, which is determined by the position of the power transmission element on the wheelset shaft.
  • the lateral force is introduced via a load lever in the wheelset shaft, which is determined by the distance from the center axis of the axle, in which the side force on Power transmission element attacks. This distance is preferably chosen so that it corresponds to the real rolling radius when using the wheelset shaft, ie with mounted wheels.
  • the present device and the present method can be generated in a simple manner from the vertical force and the lateral force resulting bending moment loads in defined cross sections of the axle.
  • this load can be simulated as on the real rail wheel.
  • the device has a simplified design compared with the device of the prior art mentioned in the introduction, with which nevertheless a simulation of the operating loads of a wheel set shaft is possible.
  • the device and the associated method can be targeted in highly stressed areas of axles of rail vehicles investigations for
  • Power transmission element arranged at the location of the wheel seat of the axle.
  • the torsion can be supplemented by additional arrangement of a drive and / or braking device.
  • a suitable control unit through which the different force introduction units and possibly braking and / or drive means are controlled, the forces acting on a complete wheel set loads can be simulated in the operational use.
  • These stresses result from the various load cases, such as. Bogenfahrt, straight ahead and points crossings and brakes and drive.
  • the present device and the associated method it is possible to perform targeted investigations in highly stressed, critical areas, for example, for crack propagation behavior, under similar loads. It can be specifically registered and evaluated with an operation-like load program, the emergence and development, especially the growth of fatigue cracks with increasing load cycles / number of revolutions of the wheelset.
  • the phase between the first crack, which can be detected, for example, by means of ultrasound during regular inspection, and the fracture of the shaft is an important parameter used to determine inspection intervals, for example during operation torn waves, is needed.
  • investigations into the proof of operational strength can be carried out up to the crack.
  • the contact fatigue can be simulated by adjusting the surface pressure corresponding to the original seat by means of the adjustable force transmission element and the choice of material pairing.
  • Fig. 1 shows an example of an embodiment of the present device
  • the original wheel set shaft 1 to be examined here is mounted in a holding device 3 which has two bearings mounted on a base plate.
  • Bearings may be the original wheelset bearings of axlebox 1 or replacement bearings.
  • the Wheelset 1 is driven by means of a drive motor 4 via drive belt 5.
  • the introduction of force takes place via a force transmission element with a roller bearing assembly 2 in order to load the section to be examined in a realistic manner.
  • this roller bearing assembly 2 engages the wheel seat to examine the load at this point.
  • the rolling bearing assembly 2 is adjustable in order to exert different pressing forces on the wheelset shaft 1.
  • the force generators 6, 7 are fastened to the frame 11 or to a cover plate connected to the frame 11.
  • the force generator 6 for vertical force introduction is in this example a hydropulse cylinder, as well as the force generator 7 for side force introduction.
  • the forces are measured by force transducers 8, 9 and controlled and controlled by a control unit, not shown, which receives the instantaneous measured values from the force transducers 8, 9 and the force generator 6, 7 controls suitable.
  • the control unit not shown controls and controls the speed of the shaft.
  • a torsion cylinder 13 is provided, which is connected to one end of the wheelset shaft 1 to exert drive or braking forces on the shaft, the lead to a torsional load. Also, this torsion cylinder 13 is controlled via the control unit to generate different loads.
  • any combinations of vertical and lateral forces corresponding to the operational use can be simulated in a simple manner.
  • the load on defined sections can be simulated. These sections can be real sections derived from measurements, but also synthetically based on existing load assumptions and route descriptions.
  • Figure 2 shows an example of the time course of the vertical force F z , the side force F ⁇ and the torsion T, as with the present device and the associated method for loading the axle in different sections can be simulated. Simulated stresses arise, for example, from the following load cases:
  • Rollers with static wheel load - Straight ahead with high vertical forces and side forces changing in both directions, points crossings with high vertical peak loads and changing lateral forces, left and right arches with corresponding vertical forces and inward and outward lateral forces, or torsional load from brakes and drive.
  • Figure 2 shows this the load cases of rolling with static wheel load (A), the straight spout (B), the bow trip in the left bend (Di) and the arc run in the right arc (D 2 ).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

La présente invention concerne un système et un procédé de test de charge d'un arbre d'essieu. Ce système comprend un dispositif de retenue (3) destiné à l'arbre d'essieu (1), un dispositif d'entraînement (4, 5) destiné à l'entraînement en rotation de l'arbre d'essieu (1) dans le dispositif de retenue (3) et un dispositif de charge (2, 6, 7) de l'arbre d'essieu (1). Le dispositif de charge comprend un élément de transmission de force (2) qui entoure à un certain endroit l'arbre d'essieu (1) monté dans le dispositif de retenue (3) et permet la rotation de l'arbre d'essieu (1) dans le dispositif de retenue (3), et deux unités d'application de force (6) reliées à l'élément de transmission de force (2), la première exerçant une force agissant verticalement sur l'arbre d'essieu (1) et la deuxième exerçant une force agissant sur l'élément de transmission de force (2) parallèlement à l'arbre d'essieu à une certaine distance de l'arbre d'essieu (1). Le présent dispositif a une construction simple et permet la simulation proche de la réalité de la charge d'un arbre d'essieu.
PCT/DE2006/001507 2005-09-20 2006-08-29 Systeme et procede de test de charge d'un arbre d'essieu WO2007033637A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06791322A EP1926981A1 (fr) 2005-09-20 2006-08-29 Systeme et procede de test de charge d'un arbre d'essieu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510044903 DE102005044903B4 (de) 2005-09-20 2005-09-20 Vorrichtung und Verfahren zur Belastungsprüfung einer Radsatzwelle
DE102005044903.4 2005-09-20

Publications (1)

Publication Number Publication Date
WO2007033637A1 true WO2007033637A1 (fr) 2007-03-29

Family

ID=37560974

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2006/001507 WO2007033637A1 (fr) 2005-09-20 2006-08-29 Systeme et procede de test de charge d'un arbre d'essieu

Country Status (3)

Country Link
EP (1) EP1926981A1 (fr)
DE (1) DE102005044903B4 (fr)
WO (1) WO2007033637A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2730908A3 (fr) * 2012-11-13 2017-03-01 DB Systemtechnik GmbH Procédé de détermination de la durée de vie résiduelle d'un arbre d'essieu ferroviaire au moyen de tests sur banc d'essai
CN109696317A (zh) * 2019-01-03 2019-04-30 中车齐齐哈尔车辆有限公司 用于变轨距轮对的试验设备
CN110937136A (zh) * 2019-10-25 2020-03-31 南京航空航天大学 一种飞机起落架缓冲器摩擦力试验装置及其试验方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009047364A1 (de) * 2009-12-01 2011-06-09 Industrieanlagen-Betriebsgesellschaft Mbh System zur Prüfung der Betriebsfestigkeit eines Probekörpers
DE102010017455B4 (de) * 2010-06-18 2013-11-07 Industrieanlagen-Betriebsgesellschaft Mbh Vorrichtung und Verfahren zur Prüfung der Betriebsfestigkeit eines Körpers
DE102012206606B3 (de) * 2012-04-20 2013-10-17 Bombardier Transportation Gmbh Untersuchung von Torsionsschwingungen an Radsätzen von Schienenfahrzeugen
DE102012025031A1 (de) * 2012-12-19 2014-07-10 Rolls-Royce Deutschland Ltd & Co Kg Testverfahren zur Ermittlung von Werkstoffkennwerten eines Prüfkörpers sowie Prüfkörper
AT513611B1 (de) * 2013-02-06 2014-06-15 Siemens Ag Oesterreich Prüfstand für Radsatzwellen
DE102013111526A1 (de) * 2013-10-18 2015-04-23 Bombardier Transportation Gmbh Verfahren und vorrichtung zur validierung einer dehnungsmessvorrichtung für einen radsatz eines schienenfahrzeugs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601259A1 (de) * 1976-01-15 1977-07-21 Fraunhofer Ges Forschung Einrichtung zur betriebsaehnlichen pruefung von radsaetzen
EP0232855A2 (fr) * 1986-02-10 1987-08-19 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Méthode et dispositif pour tester des roues de véhicule sur rails

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD51135A1 (de) * 1965-05-12 1966-10-20 Prüfstand zum Prüfen von Schienenfahrzeugen, deren Laufwerken und zugehöriger Aggregate
GB2266123A (en) * 1992-04-16 1993-10-20 Keith Ebbrell Dynamic monitoring apparatus for rail vehicle bearings
JP2004233284A (ja) * 2003-01-31 2004-08-19 Nsk Ltd 転がり軸受ユニットの診断装置及び診断方法
DE102004021488B4 (de) * 2003-06-04 2006-06-01 Windhoff Bahn- Und Anlagentechnik Gmbh Prüfstand für Drehgestelle und/oder Radsätze von Schienenfahrzeugen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601259A1 (de) * 1976-01-15 1977-07-21 Fraunhofer Ges Forschung Einrichtung zur betriebsaehnlichen pruefung von radsaetzen
EP0232855A2 (fr) * 1986-02-10 1987-08-19 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Méthode et dispositif pour tester des roues de véhicule sur rails

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2730908A3 (fr) * 2012-11-13 2017-03-01 DB Systemtechnik GmbH Procédé de détermination de la durée de vie résiduelle d'un arbre d'essieu ferroviaire au moyen de tests sur banc d'essai
CN109696317A (zh) * 2019-01-03 2019-04-30 中车齐齐哈尔车辆有限公司 用于变轨距轮对的试验设备
CN109696317B (zh) * 2019-01-03 2020-08-11 中车齐齐哈尔车辆有限公司 用于变轨距轮对的试验设备
CN110937136A (zh) * 2019-10-25 2020-03-31 南京航空航天大学 一种飞机起落架缓冲器摩擦力试验装置及其试验方法
CN110937136B (zh) * 2019-10-25 2022-10-11 南京航空航天大学 一种飞机起落架缓冲器摩擦力试验装置及其试验方法

Also Published As

Publication number Publication date
DE102005044903A1 (de) 2007-04-05
EP1926981A1 (fr) 2008-06-04
DE102005044903B4 (de) 2007-07-12

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