EP3426538A1 - Auslöseüberwachungseinrichtung für ein verformungsrohr in einer kupplung; verformungsrohr für eine kupplung und zugkupplung - Google Patents
Auslöseüberwachungseinrichtung für ein verformungsrohr in einer kupplung; verformungsrohr für eine kupplung und zugkupplungInfo
- Publication number
- EP3426538A1 EP3426538A1 EP17705879.9A EP17705879A EP3426538A1 EP 3426538 A1 EP3426538 A1 EP 3426538A1 EP 17705879 A EP17705879 A EP 17705879A EP 3426538 A1 EP3426538 A1 EP 3426538A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- deformation
- sensor
- monitoring device
- tube
- 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
- 238000012806 monitoring device Methods 0.000 title claims abstract description 65
- 230000008878 coupling Effects 0.000 title claims abstract description 28
- 238000010168 coupling process Methods 0.000 title claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 41
- 238000011156 evaluation Methods 0.000 claims description 36
- 230000003287 optical effect Effects 0.000 claims description 22
- 230000001419 dependent effect Effects 0.000 claims description 14
- 230000005291 magnetic effect Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
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- 238000010008 shearing Methods 0.000 description 13
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- 238000004804 winding Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004382 potting Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
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- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- SMNRFWMNPDABKZ-WVALLCKVSA-N [[(2R,3S,4R,5S)-5-(2,6-dioxo-3H-pyridin-3-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [[[(2R,3S,4S,5R,6R)-4-fluoro-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl] hydrogen phosphate Chemical compound OC[C@H]1O[C@H](OP(O)(=O)OP(O)(=O)OP(O)(=O)OP(O)(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)C2C=CC(=O)NC2=O)[C@H](O)[C@@H](F)[C@@H]1O SMNRFWMNPDABKZ-WVALLCKVSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
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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
- Tripping monitoring device for a deformation tube in a coupling; Deformation tube for a coupling and towing coupling
- the present invention relates to a tripping monitoring device for a deformation tube with two against a resistance telescoping pipe parts in a clutch, in particular traction coupling according to the preamble of claim 1 and a deformation tube for a clutch according to the preamble of claim 21 and a traction coupling, in particular in the form of a Scharfenberg Pull coupling with such a deformation tube.
- Clutches in particular Switzerlandkupplungen of the generic type, have shock protection, which protect the coupled by means of the clutch vehicle parts and the passengers or cargo from damage at high Auffahr füren.
- There are two ways to absorb the power namely destructive and regenerative.
- destructive force absorption deformation tubes are used, which have two against a resistance sliding into each other tube parts, in particular with a diameter comparatively smaller tube part, which can be inserted into the relatively larger diameter tube part under a correspondingly high thrust, which is the Einschiebvorgang the larger tube part expands and deforms and / or the smaller pipe part is compressed and deformed. In this deformation comparatively much energy is absorbed, which is desirable.
- the deformation tubes are monitored in practice by a visual inspection and / or sound sample.
- the deformation tube to be monitored must be freely accessible.
- the increasingly progressive integration of the deformation tube in the clutch or in the car parts to be coupled results in that not always all the areas to be monitored are freely accessible and thus the review is complex.
- the present invention is therefore an object of the invention to provide a tripping monitoring device for a corresponding deformation tube that detects early and sure a pre-damage of the deformation tube and signaled to avoid possible consequential damage and related failures of the overall system by non-scheduled maintenance measures.
- the trigger monitoring device should be characterized by a compact and inexpensive construction and ideally be mounted instead of the previous pins in or on the deformation tube.
- Trip monitoring device and a traction coupling specified with a corresponding deformation tube Trip monitoring device and a traction coupling specified with a corresponding deformation tube.
- an on-board diagnostic can be realized to allow the vehicle system early diagnosis and to simplify maintenance. In such an on-board diagnosis, the vehicle system automatically polls the trigger monitoring device or an evaluation device connected thereto.
- the installation of the trigger monitoring device is ideally carried out in the vicinity of the interface of the two telescoping tube parts of the deformation tube.
- an assembly can be done outside or inside the deformation tube.
- a release tube according to the invention for a deformation tube which has two counter-slidable tube parts in a coupling, in particular a traction coupling, a housing having a connection for connection to the deformation tube and at least one engagement surface for engaging a tubular member in its displacement includes opposite to the other pipe part of the deformation tube.
- the housing of the trigger monitoring device is deformable by attacking the pipe part on the attack surface.
- a sensor is now provided in or on the housing, which detects a deformation of the housing and which is further adapted to forward a deformation detection to an evaluation device.
- the housing of the tripping monitoring device has an electrical connection connected at least indirectly to the sensor for connecting an evaluation device.
- the evaluation device may be positioned in or on the housing, but also away from it.
- at least one electrical line in particular a plurality of electrical lines, may be provided for connecting the evaluation device to the sensor.
- at least one transmitter in particular a receiver and a sensor, for example integrated in a component, be provided which is connected to the sensor directly or indirectly via an intermediate control unit.
- the evaluation device can in turn be connected to a vehicle system in a communicating connection, wired or wireless. Alternatively, the sensor may be directly connected to the vehicle system.
- Several trigger monitoring devices or their sensors can be connected to a common evaluation device and / or several evaluation devices can be connected to the vehicle system in order to query a plurality of trigger monitoring devices accordingly.
- the evaluation device is set up to evaluate the deformation data detected by the sensor.
- the housing is in particular advantageously bent and / or sheared off by engagement of the one pipe part, in particular of the outer pipe part with a comparatively larger diameter, as a result of which deformation can be detected.
- the inner tube part which has the comparatively smaller outer diameter, to act on the engagement surface.
- the housing of the trigger monitoring device at least a stationary housing part and at least one relative to the stationary housing part displaceable and / or rotatable mobile housing part and the at least one attack surface is positioned on the mobile housing part, that this by attacking the pipe part on the attack surface is moved relative to the stationary housing part, wherein the sensor detects this movement.
- the mobile housing part is rotatably supported by the stationary housing part and has the shape of a cam, in particular comparable to a cam on a camshaft on.
- the tubular part acting on the engagement surface can rotate the cam-shaped housing part on the stationary housing part, for which purpose the stationary housing part advantageously has at least substantially a cylindrical shape which is encompassed by the mobile housing part or which is positioned coaxially with the mobile housing part via an axis of rotation of the mobile housing part ,
- the stationary housing part advantageously has an external thread on one axial end or is provided with a through bore running in the direction of the axis of rotation of the mobile housing part for forming the connection.
- the housing of the trigger monitoring device has at least one cylindrical End portion on or is generally designed as a cylinder and the connection for connection to the deformation tube is designed such that the cylindrical end portion or an axial end of the housing forming cylinder is held in a bore of the deformation tube.
- the cylindrical end portion or the axial end of the cylinder can be screwed radially from outside next to the tube part with the comparatively larger outer diameter in the tube part with the comparatively smaller outer diameter.
- a screwing from the inside into the tube part with the comparatively larger inner diameter is possible.
- an external thread is accordingly provided on the cylindrical end section or the axial end of the cylinder for forming the connection for connecting the trigger monitoring device to the deformation tube.
- the senor has a deformation element which is irreversibly deformed when the housing is deformed.
- the deformation element is broken off by the deformation of the housing, sheared off and / or torn.
- the sensor may comprise an electrical conductor which extends over the deformation element in such a way that its electrical conductivity or correspondingly its electrical resistance is changed during a deformation of the deformation element. This change can then be detected by the sensor and a corresponding signal or corresponding data forwarded to the evaluation device.
- the senor comprises an optical transmitter and an optical receiver, which are controlled by an optical signal generated by a Verfornnung the housing is dependent, are coupled together.
- the optical signal is changed, for example, the deflection of a light beam, which is detected by the sensor.
- a signal or data is accordingly forwarded to the evaluation device.
- the senor is set up to generate a magnetic field dependent on the deformation of the housing and to detect changes in the magnetic field accordingly.
- the senor is adapted to generate an electromagnetic resonant circuit and to detect changes in the electromagnetic resonant circuit, which in turn are dependent on the deformation of the housing.
- the senor comprises a pressure sensor which detects a dependent of the deformation of the housing pressure.
- a volatile medium in particular a fluid
- the engagement surface is positioned on the housing such that engagement of the tubular part on the engagement surface opens the housing and thereby releases the medium, the sensor for at least indirect detection of the presence and / or the amount of the medium in the housing is formed.
- the housing includes an electrically conductive fluid and the sensor has at least one or at least two electrodes in electrical communication with the fluid, and the sensor is configured to detect an electrical current flow and / or an electrical resistance, which is dependent on the presence and / or the amount of fluid in the housing.
- the senor changes of at least one physical quantity are detected whose value depends on the state of deformation of the housing. Based on the detected by the sensor changes the at least one physical quantity, the sensor generates corresponding data or signals can be determined by means of an evaluation, whether a deformation or an inadmissible deformation of the housing and thus an illegal telescoping of the two pipe parts has taken place.
- the signal or the data is stored in such a way and / or the physical size is irreversibly changed so that a return deformation of the housing or a return movement of the pipe parts to their starting position on this has no or no decisive influence.
- a further embodiment of the invention provides that an electrical switch or button is provided in the housing and is positioned such that it is actuated upon deformation of the housing.
- the switch is in particular designed to remain after its one-time operation in the deviating from its initial position - the operating position - regardless of whether he opens a previously closed circuit or closes a previously opened circuit.
- a status indicator in particular a flag can be set, which advantageously indicates permanently that the deformation has taken place. For example, this can also - advantageously permanently up to a manual switch off - a warning message can be generated or simply a warning lamp can be turned on, which can be positioned in the vicinity of the corresponding deformation tube or even away from this.
- an electrical circuit closed before the deformation of the housing or electrical conductor of the sensor is interrupted by the deformation of the housing, and in another embodiment an interrupted before the deformation of the housing electrical circuit or electrical conductor the sensor is closed by the deformation of the housing, which can be detected in each case by the evaluation device.
- an electrical conductor is applied to a deformation element, in particular vapor-deposited, or the deformation element is coated with an electrical conductor, and the deformation element is designed to be destroyed in a deformation of the housing of the trigger monitoring device.
- the deformation element is made of glass or another brittle material and / or has predetermined breaking points at which the destruction takes place or begins.
- An embodiment of the invention with a deformable or destructible deformation element wherein the deformation element can also be formed by the housing or is provided within the housing, has two electrodes and a contact element, wherein both the electrodes as well as the contact element are electrically conductive and the contact element is applied to the electrodes such that an electric current can flow from the one electrode via the contact element to the other electrode.
- the contact element is pressed by means of an elastic pressure element against the two electrodes.
- an elastic pressure element against the two electrodes instead of only a single contact element and / or only a single elastic pressure element also several corresponding elements may be provided.
- the deformation element forms an abutment for the elastic pressure element, such that in the deformation or destruction of the deformation element of this abutment is omitted or destroyed, so that the elastic pressure element no longer presses the contact element against the electrodes and thus the electrical connection of the two electrodes is interrupted ,
- a sensor conventionally used for other tasks such as temperature sensing such as a Pt sensor
- a heating cartridge comes into consideration.
- corresponding components have an electrical winding or a differently configured electrical conductor whose electrical resistance is at least changed when the component is deformed.
- the electrical conductor can be interrupted, depending on the positioning of the sensor in or on the housing.
- the corresponding change in the electrical resistance or the interruption of the electrical conductivity can be used as an indicator for detecting the deformation and can be tapped at an electrical connection of the component.
- the deformation of the housing of the tripping monitoring device generates a short circuit of an electrical connection in the sensor.
- the sensor comprises electrical conductors which are contacted electrically by the deformation of the housing. It is also possible, for example, to provide a winding of an electrical conductor in which individual windings abut each other during the deformation of the housing, which in turn changes the electrical resistance of the winding, which can be detected, in particular directly or indirectly via the electrical connection The latter, for example, via an induction change or the change of a magnetic field.
- At least one film may be used in the sensor, which tears or tears when the housing is deformed, thereby changing at least one electrical parameter, in particular its electrical resistance.
- At least one conductor is guided within a non-conductive, in particular sleeve-shaped component, and by deforming the sleeve-shaped component, the electrical conductor is interrupted or changed in shape such that its electrical resistance changes.
- the sleeve-shaped component is in particular made of a brittle material and / or has at least one predetermined breaking point. Accordingly, an electrical conductor can be applied to a nonconductive brittle material which breaks upon deformation of the housing and causes at least a resistance change in the conductor or the interruption of the conductor.
- a filler made of insulating ceramic or other insulating brittle material, such as glass or a Keramikverguss, wherein in the filler an electrically conductive material is introduced and a shearing and / or bending of Housing with the filler separates an electrical connection to the introduced or electrically conductive material.
- the housing from an insulating brittle material.
- the filler is then an electrically conductive material. When the housing is broken, the electrical connection made over the filler is interrupted or changed.
- the trigger monitoring device not only provides the quantity to be automatically detected as a function of its response, that is to say a deformation of the housing, but additionally optically signals that the deformation has taken place, so that it continues to operate Visual inspection the evaluation is additionally possible.
- An installation of the trigger monitoring device in or on the deformation tube can be done by any suitable measure, in addition to the measures described above of inserting or screwing through other positive or material connections, such as pressing, gluing, screwing or soldering / welding.
- a deformation pipe according to the invention for a coupling in particular for a traction coupling, has two pipe parts which can be pushed into one another against a resistance and a trigger monitoring device in the region of an interface between the two pipe parts, the trigger monitoring device being connected to the deformation pipe.
- a traction coupling according to the invention with a corresponding deformation tube is designed in particular as Scharfenberg coupling, wherein advantageously two couplings form a rigid connection during coupling, via which tensile and compressive forces can be transmitted.
- the deformation tube is in particular between a coupling head with a decoupling device and a pull / shock protection device, which can be mounted on the carriage, positioned.
- Figure 1 shows an embodiment of an inventive
- Figure 2 shows a board with predetermined breaking point, as in the invention for
- FIG. 3 shows an embodiment according to FIG. 1 with a circuit board according to FIG. 2;
- Figure 4 shows a deformation tube with an inserted
- Figures 5-11 show various cylindrical trip monitors with sensors detecting various physical quantities
- Figure 12 shows a further embodiment of an embodiment according to the invention with a so-called crash box as a housing
- FIG. 13 shows a further embodiment of an embodiment according to the invention with an electrically conductive liquid in the housing;
- FIGS. 14-16 possible arrangements of evaluation devices centrally or decentrally;
- Figure 17 is a schematic representation with an inside positioned in the deformation tube attack surface of the housing
- FIGS. 18-22 are further exemplary illustrations of possible embodiments of the invention.
- Fig. 23 shows an embodiment of the invention with two electrodes and a
- FIG. 1 shows schematically a possible design of a tripping monitoring device 1 according to the invention, which is arranged here on a first pipe part 3.1 of a deformation pipe 2 of a coupling 4, for example of a Schaku design.
- the Scharfenberg coupling (Schaku) is indicated schematically only in dashed lines.
- the first pipe part 3.1 has a smaller outer diameter than the further provided second pipe part 3.2 and is under deformation of at least the second pipe part 3.2 in this inserted, due to an externally acting pressure force, indicated here by the two arrows.
- the trigger monitoring device 1 comprises a housing 5, comprising a stationary housing part 12, which is mounted on the first pipe part 3.1, and a mobile housing part 13 which is rotatably mounted on the stationary housing part 12, here above the perpendicular to the first pipe part 3.1 Rotational axis 14.
- a housing 5 comprising a stationary housing part 12, which is mounted on the first pipe part 3.1, and a mobile housing part 13 which is rotatably mounted on the stationary housing part 12, here above the perpendicular to the first pipe part 3.1 Rotational axis 14.
- the mobile housing part 13 has an engagement surface 7 on which an end surface of the second pipe part 3.2 engages when the first pipe part 3.1 is inserted into the second pipe part 3.2 due to an external force.
- the mobile housing part 13 By engaging the second pipe part 3.2 on the engagement surface 7 and continued insertion of the first pipe part 3.1 in the second pipe part 3.2, the mobile housing part 13 is rotated on the outer circumference of the here cylindrical shaped stationary housing part 12, because the stationary housing part 12 with its terminal 6 rigid is connected to the first pipe part 3.1.
- the terminal 6 is formed by a through hole 16 in combination with a screw not shown here, which is screwed through the through hole 16 in the first pipe part 3.1.
- Other connection types are possible.
- a sensor 8 is provided, which is carried out in the embodiment shown, we follows:
- a board 26 which has a tear-off tongue 27, see also Figure 2.
- the tear-off tongue 27 has in particular a predetermined breaking point 28, but this is not absolutely necessary.
- an electrical conductor 19 in this case in the form of a conductor track, is provided, which extends beyond the break-off point of the tear-off tongue 27.
- the tear-off tongue 27 is a deformation element 18, over which the electrical conductor 19 extends.
- the tear-off tongue 27 protrudes from one housing part, here the mobile housing part 13, into the other housing part, here the stationary housing part 12, and is held stationary there, here by means of a spacer 29.
- the circuit board 26 is outside the tear-off tongue 27 in the other housing part is attached,
- the mobile housing part 13 performs a relative movement between the two housing parts 12, 13, here a rotation of the mobile housing part 13 on the stationary housing part 12, to a tearing of the tear tab 27 from the rest of the board 26 and thus to a severing of the electrical conductor 19th ,
- the electrical conductor 19 is connected to the electrical connector 30, which provides an electrical connection 10 for an evaluation device 9, the interruption of the electrical conductor 19 due to the change in the electrical resistance or the electrical conductivity can be detected and then on a twist of the mobile housing part 13 relative to the stationary housing part 12 are closed because of a retraction of the first pipe part 3.1 in the second pipe part 3.2.
- the evaluation device 9 is connected via electrical lines 1 1 to the electrical connection 10 of the sensor 8 in the housing 5 and in particular positioned away from the housing 5. However, this is not mandatory. By tearing the tear-off tab 27 from the board 26, the electrical conductor 29 is permanently interrupted, so that a possible pre-damage of the deformation tube 2 can be reliably detected, regardless of its return to its original position.
- the stationary housing part 12 may be cylindrical, in particular symmetrical about the axis of rotation 14 of the mobile housing part 13, and have an outer receiving surface for a bore of the mobile housing part 13.
- the mobile housing part 13 is axially mounted on the stationary housing part 12 and is connected by a clamping ring 31, which here for example by a snap ring 32 on the stationary Housing part 12 is held secured.
- the mobile housing part 13 is sealed relative to the stationary housing part 12 or the clamping ring 31, see, for example, the seals 33 shown here.
- the fact that the clamping ring 31 is latched over the rotational axis 14 on the stationary housing part 12, additional screws can be omitted for assembly ,
- FIG. 4 schematically shows a deformation tube 2, into which a cylindrical release monitoring device 1 is screwed, here from the outside into the first tube part 3.1 with a comparatively small outside diameter.
- the cylinder-shaped housing 5 of the trigger monitoring device 1 is deformed during retraction of the first pipe part 3.1 in the second pipe part 3.2, wherein this deformation is detected by means of a sensor not shown in detail in FIG.
- Possible embodiments of the sensor for a cylindrical configuration of the housing 5 are explained below with reference to FIGS. 5 to 11 and 13.
- the embodiments of the sensor are not limited to cylindrical housing 5 of the trigger monitoring device 1, but can also be used with differently designed trigger monitoring devices 1.
- the advantage of such a cylindrical design of the housing 5 is that the trigger monitoring device 1 can be used instead of the previous mechanical pins in the deformation tube 2.
- the housing 5 is for example pressed into a bore 17 in the pipe part 3.2.
- an external thread 15 can also be provided on the housing 5 at one axial end, which is screwed into the bore 17, which is correspondingly provided with an internal thread.
- Detail a is deviating the hole 17 designed as a blind hole, which is a possible option, in any embodiment.
- the tripping monitoring device 1 is positioned in the region of the interface 25 of the two pipe parts 3.1, 3.2, so that even a small relative displacement of the pipe parts 3.1, 3.2 leads to a response of the tripping monitoring device 1 leads.
- an electrical conductor 19, here in loop form, is again provided in the housing 5 in order to form the sensor 8.
- the electrical conductor 19 is embedded, for example, in a potting compound 34 in the housing 5.
- the electrical conductor 19 is severed or changes at least by deformation its electrical resistance. This can in turn be detected by an evaluation device, not shown here in detail, which is advantageously connected via the electrical line 11.
- two electrodes 24. 1, 24. 2 are provided in the housing 5, which generate an electrical capacitance in the sensor 8.
- the electrodes 24.1, 24.2 embedded in a potting 34.
- the electrical capacitance of the sensor 8 changes, which in turn can be detected in particular by a connected via the electrical line 1 1 evaluation (not shown).
- the distance between the two electrodes 24.1, 24.2 is changed by squeezing or buckling of the housing 5 or by shearing the housing 5, the active area of the electrodes 24.1, 24.2 is reduced, so that the capacitance changes.
- a sensor 8 which generates an inductance and is dependent on the deformation of the housing 5 Changes in the inductance detected.
- the sensor 8 has an electrical coil 35 and a ferromagnetic rod 36.
- the coil 35 and / or the ferromagnetic rod 36 may / may for example be re-embedded in a potting compound.
- the at least one ferromagnetic rod advantageously extends beyond the break point or shearing point of the housing 5 and thus beyond the engagement surface 7.
- FIG. 8 largely corresponds to that of FIG. 7, except that an electric coil 35 is respectively applied to the ferromagnetic rod 36 above and below the inflection point or the shearing region of the housing 5, that is to say the engagement surface 7 of the tubular part 3.2 by bending or shearing of the housing 5 due to the insertion of the first pipe part 3.1 in the second pipe part 3.2 of the magnetic flux and thus the coupling behavior of the two coils 35 is changed to each other, which is detected via the electrical line 1 1, not by means of a correspondingly connected here shown evaluation.
- the sensor 8 when deforming or shearing the housing 5, the sensor 8 is deformed in such a way that a pressure change takes place in the sensor 8.
- the pressure change is monitored by a suitable measuring device, shown here by way of example by the pressure sensor 22.
- the sensor 8 generates a magnetic field which changes as a function of the deformation of the housing 5.
- a magnet 37 is positioned in the housing 5, which on the other side of the break point or shearing point of the housing 5, ie especially beyond the attack surface 7, a magnetic sensor 38 faces.
- the magnetic sensor 38 no longer measures the same magnetic field as in the undeformed or non-sheared state of the housing 5. This can in turn be detected by means of an evaluation device 9 (not shown here).
- the senor 8 has an optical transmitter 20 and an optical receiver 21, here embodied integrally.
- an optical reflector 39 is provided with or without an optical filter.
- the sensor 8 is deformed such that the optical receiver 21 no longer detects the same reflections from the reflector 39 as in the undeformed or non-sheared state of the housing 5.
- the change in reflections is suitably monitored. in particular by means of an evaluation device, again not shown here.
- the optical transmitter 20 or optical receiver 21 could be arranged such that the transmitter and receiver are positioned on opposite sides of the Abscher point or Abknickuss of the housing 5.
- the housing 5 is designed as a crash box, that is to say it is deformed by moving the pipe parts 3.1 and 3.2 together.
- both a pressure sensor 22 and an optical sensor with optical transmitter 20 and optical receiver 21 are arranged to form the sensor 8 or with optical encoder 20 and receiver 21 opposite an optical reflector 39.
- the retraction of the pipe part 3.1 in the pipe part 3.2 does not predominantly in terms of shearing or bending of the housing 5, but the housing 5 is first compressed. Both types of deformation can be exchanged or combined with each other in the embodiments shown here.
- a volatile medium 23 here in the form of a liquid, is arranged in the housing 5 for forming the sensor 8.
- the volatile medium 23 is electrically conductive.
- two electrodes 24.1, 24.2 are immersed, such that they are electrically connected to one another via the volatile medium 23.
- the volatile medium 23 can not escape from the housing 5, this is correspondingly fluid-tight manner, for example here by means of the inserted closure 40. If now the first pipe part 3.1 is moved relative to the second pipe part 3.2, so the housing 5 is damaged and thereby opened the interior thereof, so that the volatile medium 23 exits.
- the electrical connection between the two electrodes 24.1 and 24.2 is interrupted, which in turn via the electrical line 1 1 by means of an evaluation device (not shown) can be detected.
- FIG. 14 shows a cylindrical design of the housing 5 of a trigger monitoring device 1 in the region of an interface 25 of two pipe parts 3.1, 3.2, with an evaluation device 9 positioned in the vicinity of the trigger monitoring device 1, which is connected to the trigger monitoring device 1 via the electrical line 11 is.
- the evaluation device 9 is connected to the housing 5 and is supported by the latter.
- the evaluation device 9 with a another control device, for example, a vehicle system 41, in particular in the form of a vehicle master computer to connect, as shown in the figure 16.
- the vehicle system 41 may also be connected directly to the sensor 8 or the trigger monitoring device 1, indicated in the figure 16 by the dotted line.
- a plurality of trigger monitoring devices which are respectively connected to a common evaluation device or each with its own evaluation device.
- An evaluation device can also query several trigger monitoring devices.
- FIG. 17 shows an embodiment in which the engagement surface 7 is positioned radially inside the deformation tube 2.
- the trigger monitoring device 1 mounted in the pipe part 3.2 with the comparatively larger diameter.
- At least the engagement surface 7 is located radially inside the pipe part 3.2 with a comparatively larger diameter.
- the trigger monitoring device 1 used is a conventional heating cartridge which has an electrical conductor 19 within a sleeve-shaped housing 5.
- An electrical connection 10 is provided for the electrical conductor 19, for example in an end cap 42.
- a welded end plate 43 or another suitable termination may also be provided at the opposite end of the housing 5.
- a filling material provided, for example, magnesium oxide, designated 44 here.
- a conventional temperature sensor is used as the trigger monitoring device 1, in particular with a Pt100 thin-film sensor or another suitable electrically conductive measuring element 45.
- the measuring element 45 is connected to the electrical connection 10 via one or two electrical conductors 19, so that at a kinking or shearing of the housing 5 of these conductors 19 is severed, whereby the electrical resistance of the sensor 8 and its electrical connection changes.
- an electrical conductor 19 is introduced into a tubular body 46, in particular made of ceramic or another brittle material.
- the tubular body 46 is terminated by two end caps 42, one of which is to the electrical terminal 10.
- the electrical terminal could also be provided elsewhere, for example on opposite ends of the body 46 so that the electrical conductor 19 extends linearly through the body would have to extend.
- the tubular body 46 may itself form the housing 5 or, as indicated by the dashed lines, again be enclosed by a housing 5. Upon deformation or shearing of the housing 5, the tubular body 46 breaks, so that the electrical conductor 19 is severed, which is detected via the electrical connection 10 due to the change in resistance or the change in the electrical conductivity.
- the electrical conductor 19 is applied as a helix or spiral on a brittle carrier 47.
- the application can be carried out by winding or vapor deposition or by other coating.
- the brittle support 47 is destroyed, thereby changing the capacitance or the electrical resistance of the electrical conductor 19 and thus of the sensor 8, which can be detected via the electrical connection 10.
- an electrical conductor 19 is vapor-deposited on an insulating sensor carrier 48 in order to form the sensor 8.
- the electrical conductor 19 is changed or interrupted on the sensor carrier 48 in its form, which in turn is detectable via the electrical connection 10.
- the carrier 48 may be plate-shaped or cylindrical. Other designs are possible.
- a housing 5 made of a brittle material is provided, for example made of glass or ceramic, wherein the housing 5 at the same time forms a deformation element 18 of the sensor 8.
- the deformation element 18 may be provided in addition to the housing 5.
- the sensor 8 has two electrodes 24.1 and 24.2, which are connected to one another via an electrically conductive contact element 49 adjoining these electrically conductive.
- the contact element 49 is thereby pressed by the elastic pressure element 50 against the two electrodes 24.1, 24.2, here in each case a front end thereof.
- the contact element 49 is plate-shaped, but this could also be different.
- the deformation element 18 forms an abutment for the elastic pressure element 50, here on a side facing the contact element 49, for example by a bottom portion of the housing-shaped, here cylindrical, deformation element 18.
- the elastic pressure element 50 relaxes because the abutment is eliminated. As a result, the contact element 49 is lifted off the two electrodes 24.1, 24.2 and the electrical connection between the two electrodes 24.1 and 24.2 is interrupted.
- a second elastic pressure element 51 can be provided which actively presses the contact element 49 away from the electrodes 24.1 and 24.2 when the abutment or the spring force of the first elastic pressure element 50 is removed.
- the contact element 49 may be connected to the elastic pressure element 50 or fixed in order to ensure a secure separation of the electrically conductive connection. It would also be possible, for example, to connect the contact element 49 to the region of the deformation element 18 in a tensile-resistant manner, which forms the abutment and is removed from the electrodes 24.1, 24.2 when the deformation element 18 is destroyed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measuring Fluid Pressure (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016203921.0A DE102016203921A1 (de) | 2016-03-10 | 2016-03-10 | Auslöseüberwachungseinrichtung für ein Verformungsrohr in einer Kupplung; Verformungsrohr für eine Kupplung und Zugkupplung |
| PCT/EP2017/053618 WO2017153149A1 (de) | 2016-03-10 | 2017-02-17 | Auslöseüberwachungseinrichtung für ein verformungsrohr in einer kupplung; verformungsrohr für eine kupplung und zugkupplung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3426538A1 true EP3426538A1 (de) | 2019-01-16 |
| EP3426538B1 EP3426538B1 (de) | 2020-01-22 |
Family
ID=58057138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17705879.9A Active EP3426538B1 (de) | 2016-03-10 | 2017-02-17 | Auslöseüberwachungseinrichtung für ein verformungsrohr in einer kupplung; verformungsrohr für eine kupplung und zugkupplung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11332170B2 (de) |
| EP (1) | EP3426538B1 (de) |
| CN (1) | CN108698618B (de) |
| DE (1) | DE102016203921A1 (de) |
| ES (1) | ES2781305T3 (de) |
| WO (1) | WO2017153149A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016215201A1 (de) * | 2016-08-16 | 2018-02-22 | Voith Patent Gmbh | Verformungsrohr für eine Kupplung, insbesondere Zugkupplung, und Zugkupplung |
| DE102019113907A1 (de) | 2019-05-24 | 2020-11-26 | Voith Patent Gmbh | Regenerative Energieabsorptionsvorrichtung, Kupplungs- oder Gelenkanordnung mit einer solchen Energieabsorptionsvorrichtung sowie Dämpfungsanordnung mit einer solchen Energieabsorptionsvorrichtung |
| CN110487164B (zh) * | 2019-07-26 | 2024-07-26 | 中国石油天然气集团公司管材研究所 | 一种非金属集输管线轴向变形在线监测装置 |
| EP3840551A1 (de) * | 2019-12-20 | 2021-06-23 | ZKW Group GmbH | Wagenmodul |
| CN112455374B (zh) * | 2020-11-11 | 2025-03-07 | 延锋彼欧(上海)汽车外饰系统有限公司 | 一种用于胎模支撑的柔性支撑装置 |
| DE102024126424A1 (de) * | 2024-09-13 | 2026-03-19 | Voith Patent Gmbh | Verfahren zum zustandsbasierten warten einer kupplungsanordnung eines spurgeführten fahrzeugs sowie überwachungssystem |
| CN119104297B (zh) * | 2024-10-15 | 2025-05-13 | 无锡宝亮机械有限公司 | 一种液压联轴器用测试装置及其测试方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1279709B (de) * | 1962-01-30 | 1968-10-10 | Schweizerische Lokomotiv | Stossvorrichtung fuer Schienenfahrzeuge |
| BE756205A (fr) * | 1969-09-22 | 1971-03-01 | Bergische Stahlindustrie | Dispositif destine a absorber des forces se manifestant par saccades |
| DE8608541U1 (de) * | 1986-03-27 | 1987-08-27 | Ringfeder Gmbh, 4150 Krefeld | Hülsenpuffer zur federnden Aufnahme von Stoßkräften, insbesondere für Schienenfahrzeuge |
| 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 |
| PL2072370T3 (pl) * | 2007-12-17 | 2010-12-31 | Voith Patent Gmbh | Urządzenie pochłaniające energię dla pudła wagonu pojazdu wieloczłonowego |
| CN201268311Y (zh) * | 2008-06-26 | 2009-07-08 | 南车戚墅堰机车车辆工艺研究所有限公司 | 机车车辆的密接式解钩装置 |
| CN201329871Y (zh) * | 2008-11-27 | 2009-10-21 | 青岛四方车辆研究所有限公司 | 扩张式压溃装置 |
| CN201484434U (zh) * | 2009-08-31 | 2010-05-26 | 北京铁道工程机电技术研究所 | 一种感知承载装置 |
| EP2601088B1 (de) * | 2010-08-06 | 2014-07-02 | Voith Patent GmbH | ENERGIEVERZEHRVORRICHTUNG INSBESONDERE FÜR EINE STOßSICHERUNG EINES SPURGEFÜHRTEN FAHRZEUGES |
| DE102011006621A1 (de) * | 2011-04-01 | 2012-10-04 | Robert Bosch Gmbh | Energieabsorptionseinheit und Vorrichtung zum Aufnehmen einer Energieabsorptionseinheit |
| DE102011007588A1 (de) * | 2011-04-18 | 2012-10-18 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Steuerungs-Kommunikation zwischen gekoppelten Zugteilen |
| PL2594452T3 (pl) * | 2011-11-21 | 2014-05-30 | Voith Patent Gmbh | Zespół sprzęgu dla czołowej strony pojazdu prowadzonego po torze |
| PL2687416T3 (pl) * | 2012-07-16 | 2015-02-27 | Voith Patent Gmbh | Zabezpieczenie przed uderzeniem, zwłaszcza w postaci zderzaka kolizyjnego |
| CN202987187U (zh) * | 2012-12-20 | 2013-06-12 | 齐齐哈尔轨道交通装备有限责任公司 | 车钩托梁磨耗板及车钩缓冲装置 |
| JP5865877B2 (ja) | 2013-08-23 | 2016-02-17 | 富士重工業株式会社 | 衝突検知装置及び衝突検知方法 |
| GB2517970B (en) * | 2013-09-06 | 2016-02-10 | T A Savery & Co Ltd | A buffer |
| GB2517986B (en) * | 2013-09-09 | 2015-07-22 | T A Savery & Co Ltd | A coupler |
| EP2949539B3 (de) | 2014-05-28 | 2021-04-14 | Dellner Couplers AB | Energieableitvorrichtung und Verbindungsvorrichtung mit solch einer Energieableitvorrichtung |
-
2016
- 2016-03-10 DE DE102016203921.0A patent/DE102016203921A1/de not_active Withdrawn
-
2017
- 2017-02-17 CN CN201780012477.3A patent/CN108698618B/zh active Active
- 2017-02-17 EP EP17705879.9A patent/EP3426538B1/de active Active
- 2017-02-17 ES ES17705879T patent/ES2781305T3/es active Active
- 2017-02-17 WO PCT/EP2017/053618 patent/WO2017153149A1/de not_active Ceased
-
2018
- 2018-09-10 US US16/126,694 patent/US11332170B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016203921A1 (de) | 2017-09-14 |
| US11332170B2 (en) | 2022-05-17 |
| ES2781305T3 (es) | 2020-09-01 |
| CN108698618B (zh) | 2020-02-21 |
| CN108698618A (zh) | 2018-10-23 |
| WO2017153149A1 (de) | 2017-09-14 |
| US20190023290A1 (en) | 2019-01-24 |
| EP3426538B1 (de) | 2020-01-22 |
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