EP3573873B1 - Scotch block, sensor, and method - Google Patents
Scotch block, sensor, and method Download PDFInfo
- Publication number
- EP3573873B1 EP3573873B1 EP18707284.8A EP18707284A EP3573873B1 EP 3573873 B1 EP3573873 B1 EP 3573873B1 EP 18707284 A EP18707284 A EP 18707284A EP 3573873 B1 EP3573873 B1 EP 3573873B1
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- EP
- European Patent Office
- Prior art keywords
- brake shoe
- sprag
- position determination
- detected
- sensor
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 10
- 238000011156 evaluation Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 description 32
- 238000012544 monitoring process Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 7
- 206010017577 Gait disturbance Diseases 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 101100468543 Caenorhabditis elegans drag-1 gene Proteins 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
- B61H7/06—Skids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/10—Scotch blocks, skids, or like track-engaging shoes unattached
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/16—Positive railway stops
- B61K7/20—Positive wheel stops
Definitions
- the invention relates to a sprag position determination sensor arrangement and associated methods.
- a brake shoe is a three-dimensional body made of metal for braking / stopping rail vehicles. It is placed between the wheel of the rail vehicle and the top of the rail.
- a rail vehicle wheel drives onto a sprag
- the rail vehicle wheel continues to rotate on the sprag.
- the sprag is taken along by the rail vehicle wheel in the direction of travel of the rail vehicle.
- the pressure of the rail vehicle wheel on the wheel chock causes increased friction between the wheel chock surface facing the rail (underside) and the upper side of the rail, which leads to a reduction in the speed of the rail vehicle up to the point where the rail vehicle comes to a complete standstill.
- the profile of the underside of the sprag and the profile of the top of the rail are matched to prevent canting or derailing and to achieve optimal friction braking effect.
- a large number of three-dimensional sprag bodies have been in use for more than 100 years. Drag shoes are particularly important in shunting technology for rail vehicles.
- the wheel chocks also serve to secure a stationary rail vehicle against rolling.
- brake shoes connected to a brake shoe connecting element (rod), in which case one brake shoe body is placed on the left rail and the other brake shoe body is placed on the right rail of the pair of rails of the track.
- the document NL 6 616 684 A describes stationary braking systems for railroad cars using a sliding braking system.
- the system comprises a sprag (hereafter brake shoe) placed on a rail and equipped with an electrical switch located near the rail.
- the brake shoe and rail have interlocking guides that guide the brake shoe on all sides with a lock lengthways along the rail.
- the document DE 587 787 C describes a control device for chock brakes in shunting systems with a remote-controllable movable guide rail that brings the chock into the braking position and rest position and a chock that can be moved by an electric motor along the braking and avoidance route.
- the guide rail is provided with auxiliary contacts, which are closed by the guide rail when it moves into the rest position. The electric motor for returning the brake shoe to the beginning of the braking distance is activated.
- the document SU 1 733 309 A1 describes another drag detection arrangement.
- the task for sprags laid out on rails is therefore to monitor the position of a moving sprag to be detected as precisely as possible.
- a sprag position determination sensor arrangement according to the features of patent claim 1, which comprises a plurality of sprag position determination sensors that are used for the position detection of sprags and wherein the sprag position determination sensor arrangement is designed in such a way that the individual sprag position determination sensors are to be laid parallel to the rail or the pair of rails .
- the object is also achieved by a method for determining the sprag position of a sprag according to the features of patent claim 3, wherein the sprag position is determined by a sprag position determination sensor laid on a rail or a pair of rails.
- the current position of one, a large number of or even all of the chocks laid out in a marshalling yard can be monitored using an evaluation device.
- This possibility of monitoring the position of sprags or the lack of sprags at required positions can be used to issue warning messages or to intervene in the (semi) automated process when shunting at the marshalling yard or in sidings.
- the sprag element to be detected is branched off from the sprag body.
- the three-dimensional shape or the surface of the sprag element to be detected can be designed as desired, so that the position detection by the sprag position determination sensor or the sprag position determination sensor arrangement is facilitated.
- the sprag is designed for use on a pair of rails and comprises two separate sprag bodies which are connected to one another by a sprag connecting element.
- the sprag element to be detected is attached to the sprag connecting element, preferably centrally, such that the surface of the sprag element to be detected by the sprag position detection sensor is aligned parallel to the sprag bodies when used between a pair of rails.
- FIG. 12 shows a schematic representation of a sprag for use on a pair of rails with two separate sprag bodies connected by a sprag connector, wherein a sprag member to be detected is attached to the sprag connector.
- the figure 2 shows the stumbling block in a schematic representation figure 1 and a drag position detecting sensor.
- the figure 3 shows a schematic representation of a sprag position determination sensor arrangement.
- FIG. 12 shows, in a schematic representation, the functioning of the position detection of a moving sprag by a sprag position determination sensor arrangement.
- FIG. 1 shows a sprag 1 for use on a pair of rails 10 with two separate sprag bodies 2 connected by a sprag connector 3, wherein a sprag member 4 to be detected is attached to the sprag connector 3.
- the rigid drag shoe connector 3 is a rod with which the two sprag bodies 2 are mechanically connected.
- a sprag element 4 to be detected by a sprag position detection sensor 5 (not shown in this figure) is attached to the rod 3 approximately centrally between the two sprag bodies 2 .
- This sprag element 4 to be detected is branched off from the rod 3 .
- This branch can be designed as a tongue or extension of the sprag connecting element 3 .
- the sprag element 4 to be detected has an elongated shape, with the longitudinal direction of the sprag element 4 to be detected being aligned approximately parallel to the two rails 9 of the pair of rails 10 . Exact parallelism between the sprag element 4 to be detected and the rail 9 / pair of rails 10 is not important. It is essential that the sprag element 4 to be detected has a sufficiently large surface and such mechanical, electrical, magnetic and/or optical properties that enable the sprag position determination sensor 5 (not shown) to reliably detect the sprag element 4 to be detected. It is not important for the reliable position detection of the sprag element 4 to be detected that it is attached to the rod 3 in the middle.
- the figure 2 shows the drag 1 off figure 1 and a sprag position detecting sensor 5.
- the sprag position detecting sensor 5 is mounted on a track sleeper for safe locking and consists of a sensor element 6 and a sensor detector 7.
- the wheel chock element 4 to be detected moves between the sensor element 6 and the sensor detector 7.
- the function of the sensor element 6 and sensor detector 7 for detecting the position of the sprag element 4 to be detected can be based, for example, on optical properties of the sprag element 4 to be detected and on optical measurement principles.
- the sensor element 6 can be formed by a laser diode.
- the sensor detector 7 is adapted to the detection of the radiation emitted by the laser diode with regard to its detection. If there is no sprag element 4 to be detected between sensor element 6 and sensor detector 7, the detection of the laser radiation in sensor element 7 leads to the output of a first signal, which is interpreted and output by an evaluation unit (not shown) as "no sprag present at this position". If the wheel chock 1 or the wheel chock element 4 to be detected is passed through the space between the sensor element 6 and the sensor detector 7 as a result of being carried along by the rail vehicle, the laser radiation is blocked and its detection by the sensor detector 7 is blocked, which results in the output of a second signal, which is is interpreted and output by the evaluation unit, not shown, as "snag present at this position".
- the renewed detection of the laser radiation in the sensor element 7 leads to the renewed output of the first signal, which is then in turn transmitted by a non evaluation unit shown is interpreted and output as "no stumbling block present at this position".
- a chock position detection sensor 5 can therefore be used to determine whether a chock is in the position of the Drag shoe position determination sensor 5 is or is not.
- the sprag 1 For the function of the invention, i.e. the reliable detection of the position of a stationary or moving sprag 1, it is neither necessary for the sprag 1 to consist of two mechanically interconnected sprag bodies 2, nor for the sprag element 4 or sprag position determination sensor 5 or sprag position determination sensor arrangement to be detected 8 are located between the pair of rails 10 in the track.
- the determination of whether a sprag 1 or a sprag element 4 to be detected is located at the position of the sprag position determination sensor 5 or not can also be carried out with other sensors based on optical measuring principles.
- Various optical sensors for example other light barriers (apart from laser diodes/laser diode detectors), light grids, laser scanners, etc. with the associated detection devices, are known to the person skilled in the art.
- Proximity initiators etc. or identification sensors (oscillating circuits, Sofis) or switching contacts (spring contacts etc.) are known here, for example, if the sprag element to be detected consists of metal.
- Sensor element 6 and sensor detector 7 can also be located on the same side in relation to sprag element 4 to be detected. Then, for example in the case of methods based on optical measuring principles, the detected reflection of laser radiation by the sprag element 4 to be detected is detected by the sensor detector 7 and forwarded for evaluating the sprag position.
- the figure 3 shows a sprag position determination sensor arrangement 8 consisting of two sprag position determination sensors, namely the sprag position determination sensor 5 and the second sprag position determination sensor 11.
- the sprag position determination sensor 5 consists in turn of the sensor element 6 and the sensor detector 7, which, for example, as in figure 2 described, can be designed as a laser diode and laser diode detector.
- the second brake shoe position determination sensor 11 consists of the second sensor element 12 and the second sensor detector 13. Structure and functioning of the brake shoe position determination sensor 5 and the second brake shoe position determination sensor 11 are identical and already with regard to figure 2 explained.
- the second sprag position determination sensor 11 is offset in the direction of travel of the rail vehicle and thus in the direction of movement of the sprag 1 (both not shown here) in relation to the sprag position determination sensor 5 . If a rail vehicle or a sprag element 4 to be detected (not shown) first passes the sprag position determination sensor 5 and then the second sprag position determination sensor 11, the in figure 2 described second signal, which represents the position of the sprag at the position of the associated sprag position determination sensor, is first output to the sprag position determination sensor 5 and only later to the second sprag position determination sensor 11 to the evaluation unit. A quasi-continuous position detection of the moving sprag 1 can then take place on the evaluation unit and be used for further monitoring tasks.
- the figure 4 shows the function of the position detection of a moving sprag 1 by a sprag position determination sensor arrangement 8 consisting of five sprag position determination sensors (5, 11, 14, 15, 16).
- the structure and mode of operation of the sprag position determination sensors is identical to the description in Figure 2 and Figure 3 .
- the one taken along by the rail vehicle passes at a time t 1 Sprag 1 or the sprag element 4 to be detected the sprag position determination sensor 5.
- a corresponding signal output representing this position is carried out by the sprag position determination sensor 5 to an evaluation unit.
- the chock 1 carried along by the rail vehicle or the chock element 4 to be detected passes the second chock position determination sensor 11.
- a corresponding signal output representing this position is carried out by the second chock position determination sensor 11 to an evaluation unit.
- the sprag position determination sensor 5 outputs a signal to the evaluation unit which represents that no sprag element 4 to be detected is detected by the sprag position determination sensor 5 at time t 2 .
- the chock 1 carried along by the rail vehicle or the chock element 4 to be detected passes the third and fourth chock position determination sensor 14, 15.
- a corresponding signal output representing this position is transmitted by both the third and fourth chock position determination sensor 14, 15 to a Evaluation unit carried out.
- the sprag position determination sensor 5 and the second sprag position determination sensor 11 each emit a signal to the evaluation unit which represents that no sprag element 4 to be detected is detected by the sprag position determination sensor 5 and the second sprag position determination sensor 11 at time t 3 .
- the position of a moving sprag element 4 to be detected (sprag 1) can be determined quasi-continuously and output to an evaluation unit and/or monitoring unit connected to the evaluation unit for control purposes.
- the number of brake block position determination sensors to be implemented per track section is a question of dimensioning, as is the number of tracks equipped with brake block position determination sensors to be implemented, e.g. of a marshalling yard.
- the evaluation unit and/or monitoring unit generally receives the position detection reports from all drag shoe position determination sensors. From these position detection reports, a graded reaction with regard to the changes in the positions of wheel brakes can be triggered in the evaluation unit/monitoring unit. For example, warning messages can be triggered or a manual and/or automatic intervention in the hump operation of track hump systems can be triggered. Such monitoring/interventions are advantageous, for example, when maneuvering in a marshalling yard.
- the core of the invention is not limited to the configurations shown in the figures and correspondingly described.
- a single sprag body 2 could also form the complete sprag 1, which is then only laid on one of the rails 9 of the pair of rails 10.
- the blocking shoe body 2 itself could also form the blocking shoe element 4 to be detected.
- the sprag element 4 to be detected is also branched off from the sprag body 2 in such a sprag 1 consisting only of a sprag body 2, so that a sufficiently large surface area is available for position detection and/or the sprag element 4 to be detected with such Mechanical, electrical, magnetic and / or optical properties can be provided that enable reliable position detection.
- the branched off sprag element 4 to be detected forms, so to speak, a tongue or an extension of the sprag body 2.
- the sprag position determination sensor 5 or the sprag position determination sensor arrangement 8 can also be located exclusively on one side in relation to the sprag element to be detected.
- the sprag position determination sensor 5 or the sprag position determination sensor arrangement 8 can be arranged close to a rail 9 both between the pair of rails 10 and outside of the pair of rails 10 on the outside of a rail 9 .
- the proposed invention is not only suitable for detecting the position of wheel chocks 1 that are taken along by rail vehicles that are running properly.
- the proposed invention can also detect unrolling by placing a sprag 1 in front of a wheel of the rail vehicle. If an unrolling rail vehicle takes such a brake shoe 1 with it and this brake shoe 1 or its brake shoe element 4 to be detected passes a brake shoe position determination sensor 5 located close to the position of the parked rail vehicle, this unrolling can be detected immediately, a warning issued and safety measures to catch the unrolled rail vehicle be triggered immediately. In this way, the invention allows a reliable check for the presence of a track closure.
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Description
Die Erfindung betrifft eine Hemmschuhpositionsermittlungssensoranordnung und zugehörige Verfahren.The invention relates to a sprag position determination sensor arrangement and associated methods.
Ein Hemmschuh ist ein aus Metall bestehender dreidimensionaler Körper zum Abbremsen / Festhalten von Schienenfahrzeugen. Er wird zwischen Rad des Schienenfahrzeuges und Schienenoberseite gelegt. Beim Auffahren eines Schienenfahrzeugrades auf einen Hemmschuh dreht sich das Schienenfahrzeugrad auf dem Hemmschuh weiter. Der Hemmschuh wird von dem Schienenfahrzeug nach dem Auffahren aus seiner ursprünglichen Position auf der Schiene von dem Schienenfahrzeugrad in Fahrtrichtung des Schienenfahrzeuges mitgenommen. Durch den Druck des Schienenfahrzeugrades auf den Hemmschuh entsteht zwischen der der Schiene zugewandten Hemmschuhfläche (Unterseite) und der Oberseite der Schiene eine erhöhte Reibung, welche zur Verringerung der Schienenfahrzeuggeschwindigkeit bis hin zum vollständigen Stillstand des Schienenfahrzeuges führt. Profil der Unterseite des Hemmschuhs und Schienenoberseitenprofil sind aufeinander abgestimmt, um Verkanten bzw. Entgleisen zu verhindern und eine optimale Reibungsbremswirkung zu erzielen. Es ist eine Vielzahl von dreidimensionalen Hemmschuhkörpern seit mehr als 100 Jahren im Einsatz. Hemmschuhe sind insbesondere in der Rangiertechnik bei Schienenfahrzeugen von größerer Bedeutung. Die Hemmschuhe dienen darüber hinaus auch dazu, ein stehendes Schienenfahrzeug gegen Entrollen zu sichern.A brake shoe is a three-dimensional body made of metal for braking / stopping rail vehicles. It is placed between the wheel of the rail vehicle and the top of the rail. When a rail vehicle wheel drives onto a sprag, the rail vehicle wheel continues to rotate on the sprag. After the rail vehicle has moved out of its original position on the rail, the sprag is taken along by the rail vehicle wheel in the direction of travel of the rail vehicle. The pressure of the rail vehicle wheel on the wheel chock causes increased friction between the wheel chock surface facing the rail (underside) and the upper side of the rail, which leads to a reduction in the speed of the rail vehicle up to the point where the rail vehicle comes to a complete standstill. The profile of the underside of the sprag and the profile of the top of the rail are matched to prevent canting or derailing and to achieve optimal friction braking effect. A large number of three-dimensional sprag bodies have been in use for more than 100 years. Drag shoes are particularly important in shunting technology for rail vehicles. The wheel chocks also serve to secure a stationary rail vehicle against rolling.
Es ist ebenfalls bekannt auch zwei oder mehr Hemmschuhe hintereinander auf dieselbe Schiene zu legen, um die Brems- und / oder Entrollsicherungswirkung zu verstärken.It is also known to place two or more wheel chocks one behind the other on the same rail in order to increase the braking and/or anti-roll safety effect.
Auch ist bekannt einen ersten einzelnen Hemmschuh auf eine erste Schiene zu legen und parallel oder versetzt einen zweiten einzelnen Hemmschuh auf eine zweite Schiene zu legen, wobei erste und zweite Schiene ein Schienenpaar auf einem Gleis bilden, um die beschriebene Brems- und / oder Entrollsicherungswirkung zu verstärken.It is also known to place a first individual sprag on a first rail and parallel or offset a second to place a single drag shoe on a second rail, the first and second rails forming a pair of rails on a track in order to enhance the braking and/or anti-roll safety effect described.
Darüber hinaus sind auch mit einem Hemmschuhverbindungselement (Stange) verbundene Hemmschuhe bekannt, wobei dann ein Hemmschuhkörper auf die linke und der andere Hemmschuhkörper auf die rechte Schiene des Schienenpaares des Gleises gelegt werden.In addition, there are also known brake shoes connected to a brake shoe connecting element (rod), in which case one brake shoe body is placed on the left rail and the other brake shoe body is placed on the right rail of the pair of rails of the track.
Wesentlich ist jedoch, dass der Hemmschuh vom Betriebspersonal auf die Schiene gelegt wird. Eine automatisierte Überwachungsmöglichkeit einer Vielzahl oder gar sämtlicher auf einem Rangierbahnhof ausgelegter Hemmschuhe ist bisher nicht bekannt.However, it is essential that the stumbling block is placed on the rails by the operating personnel. An automated monitoring option for a large number or even all of the stumbling blocks laid out in a marshalling yard is not known to date.
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Es stellt sich somit die Aufgabe für auf Schienen ausgelegte Hemmschuhe, möglichst genau die Position eines sich bewegenden zu detektierenden Hemmschuhs zu überwachen.The task for sprags laid out on rails is therefore to monitor the position of a moving sprag to be detected as precisely as possible.
Die Aufgabe wird durch eine Hemmschuhpositionsermittlungssensoranordnung gemäß den Merkmalen des Patentanspruchs 1 gelöst, die eine Vielzahl von Hemmschuhpositionsermittlungssensoren umfasst, die für die Positionsdetektion von Hemmschuhen dienen und wobei die Hemmschuhpositionsermittlungssensoranordnung derart ausgelegt ist, dass die einzelnen Hemmschuhpositionsermittlungssensoren parallel zu der Schiene oder dem Schienenpaar zu verlegen sind.The object is achieved by a sprag position determination sensor arrangement according to the features of patent claim 1, which comprises a plurality of sprag position determination sensors that are used for the position detection of sprags and wherein the sprag position determination sensor arrangement is designed in such a way that the individual sprag position determination sensors are to be laid parallel to the rail or the pair of rails .
Die Aufgabe wird ebenfalls durch ein Verfahren zur Hemmschuhpositionsermittlung eines Hemmschuhs gemäß den Merkmalen des Patentanspruchs 3 gelöst, wobei die Hemmschuhpositionsermittlung durch einen an einer Schiene oder einem Schienenpaar verlegten Hemmschuhpositionsermittlungssensor erfolgt.The object is also achieved by a method for determining the sprag position of a sprag according to the features of
Die Aufgabe wird auch durch ein Verfahren zur Auswertung gemäß den Merkmalen des Patentanspruchs 5 gelöst, wobei die Hemmschuhpositionen mit einer Hemmschuhpositionsermittlungssensoranordnung gemäß Patentanspruch 1 oder 2 detektiert werden und wobei die so detektieren Hemmschuhpositionen in einer mit dieser Hemmschuhpositionsermittlungsanordnung verbundenen Auswerteeinheit ausgewertet werden.The object is also achieved by a method for evaluation according to the features of
Diese Lösungen der erfindungsgemäßen Aufgabe gewährleisten die Position eines oder mehrerer Hemmschuhe durch Positionssensoren festzustellen und in einer Auswerte- und / oder Überwachungseinheit zu überwachen.These solutions to the problem of the invention ensure that the position of one or more sprags is determined by position sensors and monitored in an evaluation and/or monitoring unit.
Darüber hinaus kann, wenn ein Hemmschuh beim Auffahren eines Schienenfahrzeuges auf ihn "mitgenommen" wird, die Positionsänderung dieses Hemmschuhs quasi kontinuierlich durch Positionssensoren erfasst werden. Das trifft selbstverständlich auch auf die kontinuierliche Erfassung einer Vielzahl von Hemmschuhen mittels Positionssensoren zu.In addition, if a chock is "taken along" when a rail vehicle drives onto it, the position of this chock can be changed almost continuously by position sensors are recorded. Of course, this also applies to the continuous detection of a large number of stumbling blocks by means of position sensors.
Darüber hinaus ist die aktuelle Position eines, einer Vielzahl von oder gar sämtlicher in einem Rangierbahnhof ausgelegter Hemmschuhe mit einer Auswerteeinrichtung überwachbar. Diese Möglichkeit der Überwachung der Position von Hemmschuhen oder aber des Fehlens von Hemmschuhen an erforderlichen Positionen kann zur Ausgabe von Warnmeldungen verwendet werden oder zum Eingriff in den (halb) automatisierten Ablauf beim Rangieren auf dem Rangierbahnhof oder in Gleisablaufanlagen genutzt werden.In addition, the current position of one, a large number of or even all of the chocks laid out in a marshalling yard can be monitored using an evaluation device. This possibility of monitoring the position of sprags or the lack of sprags at required positions can be used to issue warning messages or to intervene in the (semi) automated process when shunting at the marshalling yard or in sidings.
In den Unteransprüchen sind weitere vorteilhaft ausgestaltete Weiterbildungen aufgelistet.Further advantageous developments are listed in the dependent claims.
In einer ersten vorteilhaften Weiterbildung ist das zu detektierende Hemmschuhelement vom Hemmschuhkörper abgezweigt. Dadurch kann die dreidimensionale Form bzw. die Oberfläche des zu detektierenden Hemmschuhelementes beliebig gestaltet werden, so dass die Positionserfassung durch den Hemmschuhpositionsermittlungssensor bzw. die Hemmschuhpositionsermittlungssensoranordnung erleichtert wird.In a first advantageous development, the sprag element to be detected is branched off from the sprag body. As a result, the three-dimensional shape or the surface of the sprag element to be detected can be designed as desired, so that the position detection by the sprag position determination sensor or the sprag position determination sensor arrangement is facilitated.
In einer weiteren vorteilhaften Weiterbildung ist der Hemmschuh für den Einsatz auf einem Schienenpaar ausgelegt und umfasst zwei getrennte Hemmschuhkörper, die durch ein Hemmschuhverbindungselement miteinander verbunden sind. Das zu detektierende Hemmschuhelement ist an dem Hemmschuhverbindungselement, vorzugsweise mittig, derart angebracht, dass die von dem Hemmschuhpositionsermittlungssensor zu detektierende Oberfläche des Hemmschuhelementes parallel zu den Hemmschuhkörpern beim Einsatz zwischen einem Schienenpaar parallel zu den Schienen ausgerichtet ist. Dadurch können die die Hemmschuhpositionsermittlungssensoranordnung bildenden Hemmschuhpositionsermittlungssensoren in dem Gleis zwischen den Schienen auf den Gleisschwellen fest montiert werden, um eine sichere Detektion des zu detektierenden Hemmschuhelementes zu gewährleisten.In a further advantageous development, the sprag is designed for use on a pair of rails and comprises two separate sprag bodies which are connected to one another by a sprag connecting element. The sprag element to be detected is attached to the sprag connecting element, preferably centrally, such that the surface of the sprag element to be detected by the sprag position detection sensor is aligned parallel to the sprag bodies when used between a pair of rails. As a result, the braking shoe position determination sensor arrangement forming braking shoe position determination sensors in the track between the Rails are firmly mounted on the track sleepers to ensure reliable detection of the sprag element to be detected.
Weitere vorteilhafte Weiterbildungen des Verfahrens zur Hemmschuhpositionsermittlung nutzen die beschriebenen Weiterbildungen des Hemmschuhs bzw. der Hemmschuhpositionsermittlungssensoranordnung.Further advantageous developments of the method for determining the sprag position use the described developments of the sprag or the sensor arrangement for determining the sprag position.
Die oben beschriebenen Eigenschaften, Merkmale und Vorteile dieser Erfindung sowie die Art und Weise, wie diese erreicht werden, werden klarer und deutlicher verständlich in der folgenden Beschreibung in Verbindung mit den beigefügten Zeichnungen anhand von vier Ausführungsbeispielen erläutert.The characteristics, features and advantages of this invention described above, and the manner in which they are attained, will be explained more clearly and in a more understandable manner in the following description, taken in connection with the accompanying drawings, by means of four exemplary embodiments.
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Die
Für die Funktion der Erfindung, d.h. die sichere Erfassung der Position eines ruhendes oder sich bewegenden Hemmschuhs 1 ist es weder erforderlich, dass der Hemmschuh 1 aus zwei mechanisch miteinander verbundenen Hemmschuhkörpern 2 besteht, noch das zu detektierendes Hemmschuhelement 4 bzw. Hemmschuhpositionsermittlungssensor 5 bzw. Hemmschuhpositionsermittlungssensoranordnung 8 sich zwischen dem Schienenpaar 10 im Gleis befinden.For the function of the invention, i.e. the reliable detection of the position of a stationary or moving sprag 1, it is neither necessary for the sprag 1 to consist of two mechanically
Die Ermittlung, ob sich nun ein Hemmschuh 1 bzw. ein zu detektierendes Hemmschuhelement 4 an der Position des Hemmschuhpositionsermittlungssensors 5 befindet oder nicht befindet, kann auch mit anderen auf optischen Messprinzipien beruhenden Sensoren durchgeführt werden. Dem Fachmann sind dazu diverse optische Sensoren beispielsweise andere Lichtschranken (außer Laserdioden / Laserdiodendetektoren), Lichtgitter, Laserscanner etc. mit den zugehörigen Detektionsvorrichtungen bekannt.The determination of whether a sprag 1 or a
Auch können andere auf der Erfassung elektrischer, mechanischer und magnetischer Prinzipien beruhender Sensorsysteme eingesetzt werden. Beispielhaft sind hier, wenn das zu detektierende Hemmschuhelement aus Metall besteht, Näherungsinitiatoren etc. oder Identifikationssensoren (Schwingkreise, Sofis) oder Schaltkontakte (Federkontakte usw.) bekannt.Other sensor systems based on the detection of electrical, mechanical and magnetic principles can also be used. Proximity initiators etc. or identification sensors (oscillating circuits, Sofis) or switching contacts (spring contacts etc.) are known here, for example, if the sprag element to be detected consists of metal.
Sensorelement 6 und Sensordetektor 7 können sich auch auf derselben Seite in Bezug zum zu detektierenden Hemmschuhelement 4 befinden. Dann wird beispielsweise bei auf optischen Messprinzipien beruhenden Verfahren die erfasste Reflexion von Laserstrahlung durch das zu detektierende Hemmschuhelement 4 durch den Sensordetektor 7 erfasst und zur Hemmschuhpositionsauswertung weitergegeben.
Die
Die
Mit der Hemmschuhpositionsermittlungsanordnung 8 kann also quasi kontinuierlich die Position eines sich bewegenden zu detektierenden Hemmschuhelementes 4 (Hemmschuhs 1) bestimmt und zu Kontrollzwecken an eine Auswerteeinheit und / oder mit der Auswerteeinheit verbundene Überwachungseinheit ausgegeben werden.With the sprag
Die Anzahl der zu implementierenden Hemmschuhpositionsermittlungssensoren pro Streckenabschnitt ist eine Frage der Dimensionierung, ebenso wie die Anzahl der mit zu implementierenden Hemmschuhpositionsermittlungssensoren ausgestatten Gleise z.B. eines Rangierbahnhofs.The number of brake block position determination sensors to be implemented per track section is a question of dimensioning, as is the number of tracks equipped with brake block position determination sensors to be implemented, e.g. of a marshalling yard.
Die Auswerteeinheit und / oder Überwachungseinheit erhält in der Regel die Positionserfassungsmeldungen sämtlicher Hemmschuhpositionsermittlungssensoren. Aus diesen Positionserfassungsmeldungen kann in der Auswerteeinheit / Überwachungseinheit eine abgestufte Reaktion hinsichtlich der Veränderungen der Positionen von Hemmschuhen ausgelöst werden. So können beispielsweise Warnmeldungen ausgelöst werden oder es kann ein manueller und / oder automatischer Eingriff in den Ablaufbetrieb von Gleisablaufanlagen ausgelöst werden. Derartige Überwachungen / Eingriffe sind beispielsweise beim Rangieren auf einem Rangierbahnhof von Vorteil.The evaluation unit and/or monitoring unit generally receives the position detection reports from all drag shoe position determination sensors. From these position detection reports, a graded reaction with regard to the changes in the positions of wheel brakes can be triggered in the evaluation unit/monitoring unit. For example, warning messages can be triggered or a manual and/or automatic intervention in the hump operation of track hump systems can be triggered. Such monitoring/interventions are advantageous, for example, when maneuvering in a marshalling yard.
Der Kern der Erfindung ist nicht auf die in den Figuren dargestellten und zugehörig beschriebenen Ausgestaltungen beschränkt. So könnte ein einzelner Hemmschuhkörper 2 ebenso den vollständigen Hemmschuh 1 bilden, der dann nur auf einer der Schienen 9 des Schienenpaares 10 verlegt wird. Auch könnte der Hemmschuhkörper 2 selbst das zu detektierende Hemmschuhelement 4 bilden. Vorzugsweise, ist jedoch zur sicheren Positionserfassung, das zu detektierende Hemmschuhelement 4 auch bei einem solchen nur aus einem Hemmschuhkörper 2 bestehenden Hemmschuh 1 vom Hemmschuhkörper 2 abgezweigt, damit eine genügend große Oberfläche zur Positionsdetektion zur Verfügung steht und / oder das zu detektierende Hemmschuhelement 4 mit solchen mechanischen, elektrischen, magnetischen und / oder optischen Eigenschaften versehen werden kann, die eine sichere Positionsdetektion ermöglichen. Das abgezweigte zu detektierende Hemmschuhelement 4 bildet sozusagen eine Zunge oder einen Fortsatz des Hemmschuhkörpers 2.The core of the invention is not limited to the configurations shown in the figures and correspondingly described. Thus, a
Der Hemmschuhpositionsermittlungssensor 5 bzw. die Hemmschuhpositionsermittlungssensoranordnung 8 können sich auch ausschließlich auf einer Seite in Bezug zum zu detektierenden Hemmschuhelement befinden. Hemmschuhpositionsermittlungssensor 5 bzw. die Hemmschuhpositionsermittlungssensoranordnung 8 können dicht an einer Schiene 9 sowohl zwischen dem Schienenpaar 10 als auch außerhalb des Schienenpaares 10 auf der Außenseite einer Schiene 9 angeordnet sein.The sprag
Die vorgeschlagene Erfindung eignet sich nicht nur für die Positionserfassung von Hemmschuhen 1, die von ordnungsgemäß fahrenden Schienenfahrzeugen mitgenommen werden. Bei ruhenden Schienenfahrzeugen kann ein Entrollen durch die vorgeschlagene Erfindung ebenso festgestellt werden, in dem ein Hemmschuh 1 vor ein Rad des Schienenfahrzeuges gelegt wird. Nimmt ein entrollendes Schienenfahrzeug einen solchen Hemmschuh 1 mit und passiert dieser Hemmschuh 1 bzw. sein zu detektierendes Hemmschuhelement 4 einen sich dicht bei der Position des abgestellten Schienenfahrzeuges befindenden Hemmschuhpositionsermittlungssensor 5, kann dieses Entrollen unmittelbar festgestellt, eine Warnung ausgegeben und Sicherungsmaßnahmen zum Einfangen des entrollten Schienenfahrzeuges unverzüglich ausgelöst werden. In dieser Weise erlaubt die Erfindung eine zuverlässige Kontrolle auf Vorhandensein eines Gleisabschlusses.The proposed invention is not only suitable for detecting the position of wheel chocks 1 that are taken along by rail vehicles that are running properly. In the case of stationary rail vehicles, the proposed invention can also detect unrolling by placing a sprag 1 in front of a wheel of the rail vehicle. If an unrolling rail vehicle takes such a brake shoe 1 with it and this brake shoe 1 or its
Die Erfindung ist nicht auf das spezielle Ausführungsbeispiel beschränkt, sondern schließt weitere nicht explizit offenbarte vom Fachmann erkennbare Abwandlungen ein, solange diese im Rahmen der Ansprüchen sind.The invention is not limited to the specific exemplary embodiment, but includes further modifications that are not explicitly disclosed and that can be recognized by a person skilled in the art, as long as they are within the scope of the claims.
- 1 -1 -
- Hemmschuhdrag
- 2 -2 -
- Hemmschuhkörperdrag body
- 3 -3 -
- Hemmschuhverbindungselementsprag connector
- 4 -4 -
- Zu detektierendes HemmschuhelementDrag element to be detected
- 5 -5 -
- HemmschuhpositionsermittlungssensorDrag position detection sensor
- 6 -6 -
- Sensorelementsensor element
- 7 -7 -
- Sensordetektorsensor detector
- 8 -8th -
- HemmschuhpositionsermittlungssensoranordnungDrag position detection sensor assembly
- 9 -9 -
- Schienerail
- 10 -10 -
- Schienenpaarpair of rails
- 11 -11 -
- Zweiter HemmschuhpositionsermittlungssensorSecond drag position detection sensor
- 12 -12 -
- Zweites SensorelementSecond sensor element
- 13 -13 -
- Zweiter SensordetektorSecond sensor detector
- 14 -14 -
- Dritter HemmschuhpositionsermittlungssensorThird drag position detection sensor
- 15 -15 -
- Vierter HemmschuhpositionsermittlungssensorFourth drag position detection sensor
- 16 -16 -
- Fünfter HemmschuhpositionsermittlungssensorFifth drag position detection sensor
Claims (5)
- Brake shoe position determination sensor arrangement (8) comprising a plurality of brake shoe position determination sensors, at least comprising a• brake shoe position determination sensor (5) and a• second brake shoe position determination sensor (11), which is designed to detect the position of brake shoes (1) with a brake shoe element (4) to be detected such thatcharacterised in thato the individual brake shoe position determination sensors (5) are to be placed parallel to the rail (9) or the rail pair (10),o the second brake shoe position determination sensor (11) is moved in the direction of travel of the rail vehicle and thus in the direction of movement of the brake shoe (1) in respect of the brake shoe position determination sensor (5),
the brake shoe element (4) of the brake shoe passes both the brake shoe position determination sensor (5) and also the second brake shoe determination sensor (11) at one point in time. - Brake shoe position determination sensor arrangement (8) according to claim 1, which is designed so that the brake shoe element (4) to be detected is to be detected, said brake shoe element (4) being attached to the brake shoe connection element (3), preferably centrally, such that the surface of the brake shoe element (4) to be detected by the brake shoe position determination sensor (5) is aligned parallel to the brake shoe bodies (2) upon use between a rail pair (10) parallel to the rails (9),
wherein the brake shoe (1), the position of which is to be detected, is designed for use on a rail pair (10), and comprises two separate brake shoe bodies (2) which are connected to one another by means of a brake shoe connection element (3). - Method for brake shoe position determination of a brake shoe (1) with a brake shoe element (4) to be detected by means of a brake shoe position determination sensor arrangement (8) according to one of claims 1 or 2.
- Method for brake shoe position determination of a brake shoe (1) according to claim 3, wherein a brake shoe position determination sensor arrangement (8) according to one of claims 1 or 2 is placed on a rail (9) or a rail pair (10).
- Method for evaluating the brake shoe positions detected with a brake shoe position determination sensor arrangement (8) according to claim 1 or 2, in which the evaluation is carried out in an evaluation unit connected to said brake shoe position determination arrangement (8).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017204024.6A DE102017204024A1 (en) | 2017-03-10 | 2017-03-10 | Drag shoe, sensor and process |
PCT/EP2018/053507 WO2018162181A1 (en) | 2017-03-10 | 2018-02-13 | Scotch block, sensor, and method |
Publications (3)
Publication Number | Publication Date |
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EP3573873A1 EP3573873A1 (en) | 2019-12-04 |
EP3573873C0 EP3573873C0 (en) | 2023-06-07 |
EP3573873B1 true EP3573873B1 (en) | 2023-06-07 |
Family
ID=61283187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18707284.8A Active EP3573873B1 (en) | 2017-03-10 | 2018-02-13 | Scotch block, sensor, and method |
Country Status (4)
Country | Link |
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EP (1) | EP3573873B1 (en) |
DE (1) | DE102017204024A1 (en) |
RU (1) | RU2725865C1 (en) |
WO (1) | WO2018162181A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109204372A (en) * | 2017-07-06 | 2019-01-15 | 王荣英 | A kind of Intelligent iron shoe system |
DE102019127371A1 (en) * | 2019-10-10 | 2021-04-15 | Deutsche Bahn Ag | Brake shoe for rail vehicles |
CN110901685B (en) * | 2019-11-20 | 2020-11-13 | 淮南创大实业有限责任公司 | Anti-sliding device |
CN110901686B (en) * | 2019-11-20 | 2020-11-13 | 淮南创大实业有限责任公司 | Anti-sliding device |
CN115195808A (en) * | 2022-07-22 | 2022-10-18 | 首钢集团有限公司 | Railway safety stop device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1733309A1 (en) * | 1988-12-01 | 1992-05-15 | Новосибирский Институт Инженеров Железнодорожного Транспорта | Track informer of rail-road vehicle passing |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL65687C (en) * | 1900-01-01 | |||
DE421091C (en) * | 1923-09-19 | 1925-11-05 | Fernand Deloison | Locking device for railroad cars |
US1552942A (en) * | 1924-12-24 | 1925-09-08 | Lory M Moore | Rail lock or car stop |
DE558077C (en) | 1930-10-11 | 1932-09-03 | Wilhelm Von Lackum | Two-rail brake shoe with rollers and brake plate |
DE587787C (en) * | 1932-04-16 | 1933-11-08 | Siemens Schuckertwerke Akt Ges | Device for controlling wheel brakes in shunting systems |
NL6616684A (en) * | 1966-11-26 | 1968-05-27 | ||
CN201036996Y (en) * | 2007-04-15 | 2008-03-19 | 刘信 | Electronic intelligent slide-proof iron shoe |
DE102008021217B3 (en) | 2008-02-18 | 2009-08-06 | Rawie Gmbh & Co. Kg | Deceleration device for deceleration of rail vehicle, has braking device that is arranged at coupling element, where braking device comprises two brake shoes which are arranged on opposite sides of rail brake |
DE202010002778U1 (en) | 2010-01-18 | 2011-05-26 | Becorit GmbH, 45659 | Brake shoe for rail vehicles |
RU2469893C1 (en) * | 2011-06-15 | 2012-12-20 | Николай Иванович Кузин | Electrostatic track brake |
-
2017
- 2017-03-10 DE DE102017204024.6A patent/DE102017204024A1/en not_active Withdrawn
-
2018
- 2018-02-13 WO PCT/EP2018/053507 patent/WO2018162181A1/en unknown
- 2018-02-13 RU RU2019128241A patent/RU2725865C1/en active
- 2018-02-13 EP EP18707284.8A patent/EP3573873B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1733309A1 (en) * | 1988-12-01 | 1992-05-15 | Новосибирский Институт Инженеров Железнодорожного Транспорта | Track informer of rail-road vehicle passing |
Also Published As
Publication number | Publication date |
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EP3573873A1 (en) | 2019-12-04 |
WO2018162181A1 (en) | 2018-09-13 |
EP3573873C0 (en) | 2023-06-07 |
RU2725865C1 (en) | 2020-07-06 |
DE102017204024A1 (en) | 2018-09-13 |
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