EP3500474B1 - Verformungsrohr für eine kupplung, insbesondere zugkupplung, und zugkupplung - Google Patents

Verformungsrohr für eine kupplung, insbesondere zugkupplung, und zugkupplung Download PDF

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Publication number
EP3500474B1
EP3500474B1 EP17732832.5A EP17732832A EP3500474B1 EP 3500474 B1 EP3500474 B1 EP 3500474B1 EP 17732832 A EP17732832 A EP 17732832A EP 3500474 B1 EP3500474 B1 EP 3500474B1
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EP
European Patent Office
Prior art keywords
counter
deformation tube
securing element
sensor
tubular parts
Prior art date
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Active
Application number
EP17732832.5A
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German (de)
English (en)
French (fr)
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EP3500474A1 (de
Inventor
Minzhe SHI
Ioan Deac
Matthias Homann
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.)
Voith Patent GmbH
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Voith Patent GmbH
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Publication of EP3500474A1 publication Critical patent/EP3500474A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/20—Details; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element

Definitions

  • the present invention relates to a deformation pipe for a coupling, in particular a train coupling and a train coupling with such a deformation pipe.
  • Couplings in particular pull couplings of the generic type, have shock protection devices which protect the vehicle parts coupled by means of the coupling and the passengers or goods to be transported from damage if the approach speeds are too high.
  • deformation tubes are used which have two tube parts which can be pushed into one another against a resistance, in particular with a tube part which is comparatively smaller in diameter and which can be pushed into the tube part with a comparatively larger diameter under a correspondingly high thrust force, the larger tube part being pushed in during the insertion process expands and deforms and / or the smaller pipe part is compressed and deformed. A comparatively large amount of energy is absorbed during this deformation, which is desirable.
  • the deformation tubes are monitored in practice by a visual inspection and / or a sound test.
  • the deformation pipe to be monitored must be freely accessible.
  • the increasing integration of the deformation tube in the coupling or in the one to be coupled wagon parts mean that not all areas to be monitored are always freely accessible and the inspection is therefore time-consuming.
  • the previous monitoring is, as shown, limited to detecting whether one of the two tube parts of the deformation tube has been pushed axially into the other of the two tube parts. This detection also detects an only temporary critical deformation of the deformation tube, but there are other safety-relevant components of the deformation tube whose condition has an effect on the functionality of the deformation tube.
  • the two pipe parts which can be pushed into one another against a resistance are braced against one another.
  • a nut is conventionally provided which is screwed onto a tie rod.
  • the tie rod is fastened in one of the two pipe parts and extends in the longitudinal direction of the pipe parts through to an end face of the other pipe part.
  • the nut is screwed onto this end, which extends through the end face, so that the two pipe parts are braced against the resistance mentioned, which prevents them from being pushed into one another. If the nut now loosens, the bracing is insufficient and the two pipe parts can be adjusted from the desired alignment to one another. Conventionally, the nut or its seat on the thread is therefore checked from time to time by means of an endoscopy camera is expensive and is associated with restrictions in terms of control accuracy. In addition, there is a risk that a loosening of the nut will not be recognized for a long time.
  • EP 1 905 661 A1 discloses a coupling with the features summarized in the preamble of claim 1.
  • the present invention is based on the object of specifying a deformation tube for a coupling, in particular a tension coupling, of the generic type, which is improved in terms of its safety compared to the known embodiments.
  • deformation tube having the features of claim 1.
  • advantageous and particularly expedient configurations of the deformation tube and a tension coupling are specified.
  • a deformation tube according to the invention for a coupling has two tube parts which can be pushed into one another against a resistance.
  • the resistance is formed in that the first pipe part - inner pipe part - is pushed with one axial end into a radial expansion at the opposite axial end of the second pipe part - outer pipe part, in such a way that the end of the first pipe part strikes the second pipe part in the radial extension .
  • a sliding element can optionally also be connected to the first pipe part at the interface.
  • the deformation tube according to the invention has a securing element in the form of a screw or a nut which is screwed into a counter element or screwed onto a counter element and thereby braces the two tube parts against one another.
  • the counter element is a tie rod that has its first end on a first of the two pipe parts, for example the outer pipe part, or a structure supporting the first of the two pipe parts is connected and with a second end, which is opposite to the first end, penetrates an end face of the second of the pipe parts and the end of the penetration has a thread on which the securing element in the form of a nut is screwed on. Accordingly, the nut lies radially inside the second pipe part, in particular the inner pipe part.
  • a detection device is now provided which is set up to detect a twisting or twisting and axial displacement of the securing element and / or the counter-element with respect to at least one of the pipe parts.
  • the detection device makes it possible to detect a loosening of the securing element, in particular in the form of the nut, at an early stage and, if necessary, to signal this to a train driver or other maintenance personnel.
  • the detection device can have at least one shear element which is connected to the securing element and / or the counter-element through a bore, in particular radial bore, in at least one of the two pipe parts in such a way that a relative rotation or a relative rotation and axial displacement of the securing element relative to the tubular part causes the shearing element to shear off the securing element and / or counter element or shearing within the shearing element.
  • such a shear element is only provided in a bore, in particular a radial bore, in the inner tubular part and is connected to the securing element, in particular in the form of a nut.
  • the shear element can also be provided in a bore, in particular also in the inner tubular part, but possibly also in the outer tubular part, and be connected to the counter-element, which is designed for example in the form of the tie rod. This is because both a displacement and, in particular, a twisting of either the nut or the tie rod can lead to an undesired loosening of the tension between the two pipe parts.
  • the at least one shearing element is inserted into the respective bore, in particular radial bore, with a certain amount of play. A certain tolerance can thus be achieved before the shear element is sheared off.
  • the shearing element is glued to the securing element and / or the counter element.
  • the shear element in the adhesive connection is advantageously torn away when the displacement or rotation that is to be detected occurs.
  • the detection device only has a visible marking on the securing element and / or the counter-element and the corresponding of the two tube parts facing the marking comprises an inspection opening at the corresponding opposite position through which the marking can be seen . If the marking is no longer aligned in the originally specified relative position with respect to the inspection opening, in particular is no longer aligned centrally with respect to the inspection opening, an undesired twisting or undesired twisting and axial displacement of the securing element and / or the counter-element can be detected by visual inspection alone getting closed.
  • the marking can for example be a color marking.
  • the inspection opening can be closed, for example, with a transparent sealing plug or a removable sealing plug in order to prevent dust and / or other dirt from entering the deformation tube through the inspection hole.
  • the detection device can comprise at least one optical and / or electrical sensor which is mounted in at least one of the two tube parts and detects a twisting or twisting and axial displacement of the securing element and / or the counter-element.
  • a bore in particular a radial bore, is also provided here in at least one of the two pipe parts and the optical and / or electrical sensor is mounted in this bore or through this bore.
  • a closure body for the bore has the sensor. Another embodiment provides that the sensor is attached to an inside of the corresponding pipe part and faces the securing element or counter-element.
  • the energy supply of the sensor can take place locally by a battery or a rechargeable battery and / or by the electrical supply of the train when used in a train coupling.
  • energy harvesting i.e. the extraction of small amounts of energy from the environment, such as ambient temperature, vibrations, etc.
  • an electrical and / or optical transmitter can be provided in the electrical configuration on the fuse element and / or the counter element on its outer surface.
  • a transmitter can be formed by an electrical and / or optical transmitter, but alternatively also simply by a marking, for example in the form of coded strips or the like.
  • the sensor can then detect the position and / or signal strength of this transmitter and from this a rotation or a rotation and axial displacement of the Detect encoder and thus the securing element and / or the counter element.
  • an optical or acoustic display device can be connected to the sensor in a wireless or wired manner in order to detect a detected twisting or a detected twisting and axial displacement of the securing element and / or the counter element to signal.
  • Corresponding warning signals can be signaled to the train driver, for example.
  • a clear signaling of the response can be achieved in a mechanical solution, for example, in that said shear element, which is generally designed in particular in the form of a pin, falls out of the bore in the pipe part when sheared from the securing element or the counter element. If necessary, the shearing element can have a different color than the pipe part for even clearer signaling.
  • the electrical sensor can be designed both as an inductive or as a capacitive sensor.
  • a design as a magnetic or optical sensor is also conceivable.
  • a wide variety of electrical embodiments are conceivable.
  • the electrical and / or the optical sensor can be mounted on a support element which, when rotated or is deformed, destroyed and / or torn off when the securing element and / or the counter-element are twisted and axially displaced, so that the electrical and / or optical sensor is removed from its predetermined position.
  • This removal is detected by the sensor, for example due to a change in a capacitance, inductance or the interruption of an electrical current flow.
  • Other possibilities come into consideration, for example that when the sensor is removed from its position, an optical or electrical signal is no longer received.
  • a deformation tube 1 is shown, with a first tube part 2 and a second tube part 3.
  • the first tube part 2 is designed as an inner tube part, has a sliding element 4 at one axial end and is with this sliding element 4 in a radial expansion 5 of the second tube part 3 used, which is designed as an outer tubular part.
  • a further axial insertion of the first pipe part 2 into the second pipe part 3 is only possible with a simultaneous deformation of the second pipe part 3.
  • the first pipe part 2 and the second pipe part 3 are braced against one another in their starting position in the axial direction.
  • a securing element 6 is provided which is designed in the form of a nut which is screwed onto a counter element 7 in the form of a tie rod.
  • the securing element 6 could be designed in the form of a screw which is screwed into the counter element 7 in the form of a nut or some other component provided with a thread.
  • At least one radial bore 8, 9 is made.
  • One of the two radial bores 8, 9 can be sufficient. However, both radial bores 8, 9 can also be provided.
  • the radial bore 8 is provided in that section of the first tubular part 2 which surrounds the securing element 6.
  • the radial bore 8 accordingly faces the securing element 6 in the radial direction.
  • the radial bore 9 is provided in each section of the first tubular part 2 which surrounds the counter element 7. Accordingly, the radial bore 9 faces the counter element 7 in the radial direction.
  • a rotation or a twisting and axial displacement of the securing element 6 can be detected through the radial bore 8, and a rotation or a rotation and axial displacement of the counter element 7 can be detected through the radial bore 9.
  • a detection device is inserted into the corresponding radial bore 8, 9 or provided in the corresponding area.
  • FIGS. 2 to 8 show exemplary embodiments of the detection devices 10, each in connection with the radial bore 8.
  • corresponding detection devices 10 can also be found in the area of the radial bore 9 from FIG Figure 1 be provided in order to detect a rotation or axial displacement of the counter-element 7.
  • other positions of the detection device 10 are possible.
  • the detection device 10 comprises a shearing element 11, here in the form of a pin or tube, which is glued to the securing element 6 with an adhesive 12.
  • a shearing element 11 here in the form of a pin or tube, which is glued to the securing element 6 with an adhesive 12.
  • another material connection could also be selected, for example soldering or welding.
  • the shear element 11 protrudes through the radial bore 8, the radial bore 8 in particular having a larger inner diameter than the area of the shear element 11 enclosed by it, so that there is play between the shear element 11 and the first pipe part 2 and a shear of the shearing element 11 takes place only after bridging this play when rotating or axially displacing the securing element 6.
  • the detection device 10 has a marking 14 on the securing element 6, which is opposite an inspection opening 15 in the radial direction.
  • the inspection opening 15 is formed by the radial opening 8 and is closed by a closure 16.
  • the closure 16 is made transparent, for example, or comprises a transparent window and / or is detachably mounted in the inspection opening 15.
  • a flashlight 27 is used.
  • the radial bore 8 receives a sensor 17 which is designed here as an optical sensor, in particular as an optical movement sensor.
  • a transmitter or a marking 18 on the securing element 6 is assigned to the sensor 17 in such a way that the sensor 17 detects a change in position or movement of the transmitter or the marking 18.
  • the senor 17 has a warning light 19 which indicates when a change in position or movement has been detected.
  • the senor 17 has its own electrical energy supply 20.
  • a sensor 17 is also provided which detects a rotation and / or axial displacement of the securing element 6.
  • the control unit 22 in turn controls a display device 23, which is in particular also positioned in the driver's cab.
  • the sensor 17 is carried by a support element 24 which is mechanically connected to the securing element 6 and / or the counter element 7 and is destroyed, deformed or moved by twisting or by twisting and axially displacing the securing element 6 or the counter element 7, so that the position of the sensor 17 changes.
  • the sensor 17 is set up to detect this change in position, for example by interrupting or changing a capacitive coupling or an electrical contact with the fuse element 6 or the counter element 7 and this is detected by the sensor 17.
  • the sensor 17 can again be integrated in the form of an autarkic local solution or to a control device provided in the train analogous to the embodiment according to FIG Figure 6 be connected.
  • the sensor 17 is designed as a color sensor, which detects a marking 18 on the securing element 6 through the radial bore 8.
  • Magnetic, capacitive or inductive sensors are an alternative to color sensors.
  • further sensors for monitoring the acceleration and the temperature can be integrated in the sensor 17, shown here by way of example using the temperature sensor 25 and the acceleration sensor 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
EP17732832.5A 2016-08-16 2017-06-14 Verformungsrohr für eine kupplung, insbesondere zugkupplung, und zugkupplung Active EP3500474B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215201.7A DE102016215201A1 (de) 2016-08-16 2016-08-16 Verformungsrohr für eine Kupplung, insbesondere Zugkupplung, und Zugkupplung
PCT/EP2017/064479 WO2018033271A1 (de) 2016-08-16 2017-06-14 Verformungsrohr für eine kupplung, insbesondere zugkupplung, und zugkupplung

Publications (2)

Publication Number Publication Date
EP3500474A1 EP3500474A1 (de) 2019-06-26
EP3500474B1 true EP3500474B1 (de) 2020-10-21

Family

ID=59215742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17732832.5A Active EP3500474B1 (de) 2016-08-16 2017-06-14 Verformungsrohr für eine kupplung, insbesondere zugkupplung, und zugkupplung

Country Status (5)

Country Link
EP (1) EP3500474B1 (zh)
CN (1) CN109641599B (zh)
DE (1) DE102016215201A1 (zh)
ES (1) ES2834026T3 (zh)
WO (1) WO2018033271A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019101996A1 (de) * 2019-01-28 2020-07-30 Voith Patent Gmbh Zugkupplungshälfte und Verfahren zum Erfassen einer Drehposition des Hauptbolzens einer Zugkupplungshälfte
DE102019106961A1 (de) * 2019-03-19 2020-09-24 Voith Patent Gmbh Kraftübertragungselement für eine kupplung eines spurgeführten fahrzeuges sowie verfahren zum überwachen der funktionsweise einer kupplungsanordnung
CN109941304A (zh) * 2019-05-07 2019-06-28 中车青岛四方车辆研究所有限公司 指示件及压溃吸能装置
CN111891169B (zh) * 2020-08-12 2022-02-11 中车株洲电力机车有限公司 一种轨道交通车辆车钩缓冲吸能装置

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BE756205A (fr) * 1969-09-22 1971-03-01 Bergische Stahlindustrie Dispositif destine a absorber des forces se manifestant par saccades
RO119142B1 (ro) * 2001-10-26 2004-04-30 Dimitrie Dănuţ Otlacan Arc-amortizor
SE526663C2 (sv) * 2004-02-04 2005-10-18 Dellner Couplers Ab Draginrättning för tågkoppel samt deformationsrör härför
DE202005004502U1 (de) * 2005-03-17 2005-05-19 Faiveley Transport Remscheid Gmbh Zug- und Stoßvorrichtung für Mittelpufferkupplungen von Schienenfahrzeugen
DE502005002232D1 (de) * 2005-08-10 2008-01-24 Voith Turbo Scharfenberg Gmbh Energieverzehrvorrichtung mit erhöhter Ansprechkraft
ATE426537T1 (de) * 2006-09-28 2009-04-15 Voith Turbo Scharfenberg Gmbh Kupplungsstange zum ubertragen von zug- und stosskraften
CN202264797U (zh) * 2011-08-25 2012-06-06 南车戚墅堰机车车辆工艺研究所有限公司 扩张式吸能装置
DE102011081772B4 (de) * 2011-08-30 2021-04-01 Robert Bosch Gmbh Vorrichtung bzw. Fahrzeug mit einer Vorrichtung zur Befestigung eines Bauteils an einem Fahrzeugsträger
GB2517986B (en) * 2013-09-09 2015-07-22 T A Savery & Co Ltd A coupler
JP2015170489A (ja) * 2014-03-07 2015-09-28 住友電装株式会社 コネクタ
DE102016203921A1 (de) * 2016-03-10 2017-09-14 Voith Patent Gmbh Auslöseüberwachungseinrichtung für ein Verformungsrohr in einer Kupplung; Verformungsrohr für eine Kupplung und Zugkupplung

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Also Published As

Publication number Publication date
ES2834026T3 (es) 2021-06-16
WO2018033271A1 (de) 2018-02-22
CN109641599A (zh) 2019-04-16
EP3500474A1 (de) 2019-06-26
CN109641599B (zh) 2020-11-17
DE102016215201A1 (de) 2018-02-22

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