EP2954298A1 - Prüfstand für radsatzwellen - Google Patents
Prüfstand für radsatzwellenInfo
- Publication number
- EP2954298A1 EP2954298A1 EP14701771.9A EP14701771A EP2954298A1 EP 2954298 A1 EP2954298 A1 EP 2954298A1 EP 14701771 A EP14701771 A EP 14701771A EP 2954298 A1 EP2954298 A1 EP 2954298A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheelset
- tested
- test
- test bench
- wheelset shafts
- 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.)
- Ceased
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
- Wheelset wheelset To test the strength of wheelset axles in test benches, circulating bending loads are typically introduced into the shaft to be tested.
- the wheelset shaft to be tested is fastened on one side to the foundation with the wheel disc.
- the force is introduced by means of an unbalance exciter, which is mounted at the free end of the shaft.
- the bending stress applied in the shaft corresponds to the actual stresses during operation only at one point of the shaft.
- the bending stress decreases continuously from the clamping point to the free end with the unbalance exciter. Due to the design, the test frequencies are limited to approximately 20 Hz.
- the invention has for its object to better adapt the test to the actual loads during operation of the wheelset. This is done according to the invention with a test stand with the following features:
- the natural frequency and thus the test frequency increases, depending on Mass ratios to approximately 80 Hz. Due to the bending moment introduction via the two wheel disks, an almost constant circumferential bending moment arises between the two wheel disks, as is present during operation. In the area of the wheel discs, 2 vibration nodes are set during operation. In this node, the candidate can be hung.
- test rigs for checking crankshafts use 4 ropes or rods.
- brackets and the ropes themselves have a natural frequency below the desired test frequency.
- test time and the test costs can be significantly reduced.
- the necessary measuring technology can be easily mounted on the shaft. This standard measurement technology is used
- FIG. 1 shows a test stand according to the invention with a wheelset shaft to be tested and 2 shows an exemplary sectional view of a test stand according to FIG. 1.
- the test stand shown in the figures comprises two holding consoles 1 with rubber bearings 2 in which the wheelset shaft 3 to be tested with two wheel disks 4 is mounted.
- the wheelset shaft 3 is in the expected range of the nodes on the consoles.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50089/2013A AT513611B1 (de) | 2013-02-06 | 2013-02-06 | Prüfstand für Radsatzwellen |
| PCT/EP2014/051763 WO2014122059A1 (de) | 2013-02-06 | 2014-01-30 | Prüfstand für radsatzwellen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2954298A1 true EP2954298A1 (de) | 2015-12-16 |
Family
ID=50029049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14701771.9A Ceased EP2954298A1 (de) | 2013-02-06 | 2014-01-30 | Prüfstand für radsatzwellen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2954298A1 (de) |
| AT (1) | AT513611B1 (de) |
| WO (1) | WO2014122059A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3098476A1 (de) * | 2015-05-27 | 2016-11-30 | Prisma Engineering Maschinen- und Motorentechnik GmbH | Elastisches lager |
| CN105954026B (zh) * | 2016-07-15 | 2018-10-02 | 芜湖赛宝信息产业技术研究院有限公司 | 橡胶支座寿命试验夹具 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3604186A1 (de) * | 1986-02-10 | 1987-08-13 | Fraunhofer Ges Forschung | Verfahren und einrichtung zur pruefung von schienenfahrzeugraedern unter betriebsaehnlichen belastungsbedingungen |
| DE102005044903B4 (de) * | 2005-09-20 | 2007-07-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Belastungsprüfung einer Radsatzwelle |
| DE102010060501A1 (de) * | 2010-11-11 | 2012-05-16 | Sven Henze | Eisenbahnwellen-Prüfstand |
-
2013
- 2013-02-06 AT ATA50089/2013A patent/AT513611B1/de active
-
2014
- 2014-01-30 EP EP14701771.9A patent/EP2954298A1/de not_active Ceased
- 2014-01-30 WO PCT/EP2014/051763 patent/WO2014122059A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| BERTINIA L ET AL: "RESONANT BENCH FOR FATIGUE TESTING OF STEEL DRILL PIPE CONNECTIONS", vol. AIAS 2012 - 005, 5 September 2012 (2012-09-05), pages 1 - 13, XP002723010, Retrieved from the Internet <URL:http://www2.ing.unipi.it/~a011216/Pubblicazioni/Articoli/2012_1.pdf> [retrieved on 20140408] * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014122059A1 (de) | 2014-08-14 |
| AT513611A4 (de) | 2014-06-15 |
| AT513611B1 (de) | 2014-06-15 |
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