WO2022126211A1 - Système et procédé de surveillance d'appareil de changement de voie ferrée - Google Patents

Système et procédé de surveillance d'appareil de changement de voie ferrée Download PDF

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Publication number
WO2022126211A1
WO2022126211A1 PCT/BR2020/050557 BR2020050557W WO2022126211A1 WO 2022126211 A1 WO2022126211 A1 WO 2022126211A1 BR 2020050557 W BR2020050557 W BR 2020050557W WO 2022126211 A1 WO2022126211 A1 WO 2022126211A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensors
sensor
switchgear
needle
monitoring
Prior art date
Application number
PCT/BR2020/050557
Other languages
English (en)
Portuguese (pt)
Inventor
Rodrigo DE SOUZA
Alessander CIDRAL BOSLOOPER
Original Assignee
Rumo Malha Sul S.A.
Connectrail Tecnologia E Serviços Ferroviários Ltda
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rumo Malha Sul S.A., Connectrail Tecnologia E Serviços Ferroviários Ltda filed Critical Rumo Malha Sul S.A.
Priority to PCT/BR2020/050557 priority Critical patent/WO2022126211A1/fr
Publication of WO2022126211A1 publication Critical patent/WO2022126211A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members

Definitions

  • the present invention refers to a monitoring system for a switchgear, which has a set of sensors and other components that ensure reliability of information related to the switchgear and its state and condition.
  • the present invention also refers to a method of monitoring a switchgear, which acts through several steps, also ensuring reliability of information related to the switchgear and its state and condition.
  • Such reliability of information mainly related to the state and condition of the switchgear advantageously allows a train to carry out an adequate and safe switch.
  • compositions and manual actuation drives by levers and rods, for example
  • springs and also electrical or electronic actuation are known in the state of the art.
  • AMV needles which are the components responsible for effectively changing the trajectory of the composition from a current route to the next one.
  • the needles move selectively tangent to each path. Thus, when touching one or the other path, the composition on it will remain or change its trajectory.
  • PI0610822-9 A2 discloses a device for checking the end positions of moving parts of a railroad switch, wherein at least one separate end position checking device is assigned to each moving switch part , wherein the end position checking device includes a stem and a checker housing into which the stem is inserted and wherein at least one limit switch is arranged to detect the two fine positions of movable switch part characterized in that that the shank in this part penetrating the housing, or the housing, comprises at least two axially spaced key flanks for actuation of said at least one limit key, wherein at least one of said key flanks is arranged to be axially displaceable with with respect to another of said key flanks and fixable in the respective position.
  • This reference also mentions the constructive and displacement characteristics of said device.
  • the MU 8400980-2 U reveals an improvement in AMV, characterized by an external configuration in a rectangular metallic box with a low-high profile, fixed to the sleepers by two feet, one in the front and the other in the back; inside there is a set of electrical, mechanical and hydraulic solutions that significantly increase the operational safety of the set, as well as its manual operation in the normal case or in the failure of the electrical set; the device is equipped with two sensors, positioned in order to recognize the position of the central drive axis of the device and determine if it is correctly positioned in the normal or reverse position when passing over the rails; when the electrical set fails, the manual activation of the hydraulic set provides the operational guarantee of the device and consequent traffic flow of the compositions.
  • This document also reveals a sensor for closing the needle tip: "characterized by the fact that, to ensure good closing of the needle tip, two position sensors are installed symmetrically in relation to the transmission shaft, fixed on a support , these sensors detect through a course wire installed on the articulation pivot, if complete closing of the needle tip has occurred; the sensors are fixed to the support through an articulated base, which allows the fine adjustment of the position of the sensors, within the allowed tolerances.
  • the sensors indicate the position of the points of the needles (normal position - free passage or reverse position - deviation), this information is essential for the train to pass over the device. ”
  • this document also discusses a control circuit aided by the indication of sensors and that also acts by turning off the motor pump when the piston stroke is not executed in the predetermined time, or the needle closing position is reached , preventing the hydraulic motor pump from failing, or any obstacle preventing the needle tip from closing; once the needle tip closure performed, the hydraulic circuit is turned off, returning the piston control valve to the neutral position, that is, without hydraulic pressure, the maintenance of the needle tip closing position will be guaranteed by the extended spring.
  • a device for checking the final position of moving parts of an AMV comprising a detection rod capable of being coupled to a moving part and a detection compartment containing a transmission which has an input member, an output member, interacting with at least one end position "switch" for detecting the two end positions of the AMV, characterized in that it comprises a lever whose first arm is actuated by the input member and the second arm drives the output member, while the transmission is configured to shorten the linear path of the output member with respect to the switching path of the sensing rod.
  • the device can be characterized by the fact that the end position switch comprises a spring-loaded trigger or interacts with a resilient actuation element.
  • Said device is arranged to be adjustable in the direction of linear movement of the output element and fixable in the respective position.
  • the document mentions the sliding lock associated with the end position detectors, with which the slide, when reaching the final position, interacts to push the sliding system, locking the final position of the AMV against the spring.
  • the sliding component associated with the adjustable end position is connected or coupled to the joint displacement movement.
  • US5253830 refers to a method for monitoring monitoring the condition of the AMV and detecting excessive wear in the internal regions of said AMV comprising the following steps: successive emission of a detection signal from a proximity sensor disposed in the region of the internal tracks of the AMV; said signals "measure” the separation distance between the inner and outer faces that make up the AMV (needle point); this value is compared with a reference value stored in memory (minimum separation distance); from the comparison, when a certain distance greater than the minimum is reached, an alarm is generated.
  • the method also provides for the configuration of a second value limit, greater than the first, for comparison with the measured value and generation of a second alarm.
  • the document also reveals a conversion of the detected signals into a digital signal for storage in memory for future comparisons, in addition to the treatment given to this memory (eg cleaning, data overlay).
  • An object of the present invention is to provide a system and method of monitoring a turn-off device for manual and/or spring-type AMVs.
  • An objective of the present invention is to provide a system and method for monitoring a switchgear equipped with a redundancy circuit.
  • An objective of the present invention is to provide a system and method of monitoring a lane switch configured to operate in dark stretches.
  • An objective of the present invention is to provide a system and method of monitoring a switchgear that are compatible with each other.
  • An object of the present invention is to provide a system and method of monitoring a switchgear, a railway line, a switchgear and a sensor all compatible with each other.
  • the objectives of the present invention are achieved by means of a system and method of monitoring a switchgear compatible with each other and with the other objects of the present invention, comprising a set of sensors, the switchgear being of a manual or spring-loaded type and configured to selectively move a needle from a current position to a second position allowing a train to change lanes, monitoring being based on verification steps to detect the positioning of said gear changing apparatus via.
  • a railway line equipped with at least one manual or spring-operated switchgear and comprising a set of sensors and being compatible with the other objects of the present invention.
  • a manual or spring-loaded lane changer configured to selectively move a needle from a current position to a second position allowing a composition to change lanes, the lane change being equipped with a set of sensors.
  • a sensor configured for monitoring a switchgear, the sensor being part of a set of sensors and compatible with the other objects of the present invention.
  • Figure 1 - is a representation of a section of railway provided with a monitoring system for a switchgear in accordance with the teachings of the present invention
  • Figure 2 - is a representation of a section of railway provided with a monitoring system for a switchgear in accordance with the teachings of the present invention
  • Figure 3 - is a representation of a section of railway provided with a monitoring system for a switchgear according to the teachings of the present invention, exemplifying a cut in said track;
  • Figure 4 - is a representation of a section of railway provided with a monitoring system for a switchgear according to the teachings of the present invention, highlighting holes already existing in a needle tip of the same;
  • Figure 5 - is a representation of an assembly step generating a switchgear monitoring system on a stretch of track in accordance with the teachings of the present invention
  • Figure 6 - is a representation of a section of railway provided with a monitoring system for a switchgear in accordance with the teachings of the present invention
  • Figures 7a, 7b and 7c - are representations of sections of railways provided with a monitoring system for a switchgear in accordance with the teachings of the present invention
  • Figures 8a and 8b - are representations of sensors according to the teachings of the present invention.
  • Figure 9 - is an example of reinforcements for sensors in accordance with the teachings of the present invention.
  • the present invention relates to a monitoring system for a switchgear, also known as AMV which, in the present context, is of the manual or spring-loaded type.
  • This apparatus is configured to selectively move a needle 12 from a current position to a second position allowing a composition to change lanes.
  • the AMV monitoring system hereinafter called just the system, is illustrated for example in figures 1 and 2, being configured to carry out at least two positioning checks of the needle 12, as will be better detailed later.
  • the AMV monitoring system comprises a set of sensors 11 as mainly exemplified in figures 6, 7a, 7b and 7c. Especially in relation to said set of sensors 11, it is worth noting that it can be installed on two track tracks as shown in figure 7c or on just one of the tracks. In both configurations the objects of the present invention are advantageously achieved.
  • These sensors are preferably positioned at the tip of the needle 12, in existing holes 100 (if any), as exemplified especially in figures 4 and 5.
  • the sensors of sensor set 11 are of the inductive type (composition and function). These proved to be satisfactory for the present invention, especially for being precise in their operation compared to other sensors and consequently for allowing to achieve the technical and functional advantages of the present invention with great precision.
  • the set of sensors 11 can also include sensors of other types, such as infrared, capacitive, transducers, among others.
  • each sensor of the sensor set 11 advantageously received a series of improvements and increments in its especially mechanical structure .
  • each sensor of the sensor array 11 is configured with reinforcements 200 including at least one of structural supports, sealing, lubrication and/or external and internal coatings. Obviously other improvements can also be implemented without changing the scope of the present invention.
  • the sensors of the sensor set 11 can also be inserted into enclosures such as boxes or cabinets made of various materials of high mechanical strength, for example metallic, as long as their performance is not impaired.
  • each sensor of the set of sensors 11 has a specific regulation.
  • the reading of each value measured by each sensor of the set of sensors is done individually and if any sensor changes, the set of sensors 11 itself accuses and reports an inconsistency.
  • At least a first sensor 13 of the set of sensors 11 is configured to perform a first check whether the needle 12 has reached the desired position when moving.
  • the first proximity check of the needle 12 takes place as it enters its magnetic field.
  • the first sensor 13 is able to check its distance and tell when it is in a suitable position to allow the passage of a composition.
  • At least a second redundancy sensor 14 is configured to perform a second verification if the needle 12 has indeed reached the desired position when moving.
  • the second redundancy sensor also composes the together with sensors 11 and acts similarly to the first sensor 13, i.e. identifying the positioning of the needle tip.
  • the sensors identify variations smaller than 3mm.
  • the set of sensors 11 is electrically connected to a central processor, which is provided with at least one processor configured to process information from said set of sensors 11 .
  • composition will only be allowed to proceed if at least the two checks described above confirm the correct positioning of the needle 20.
  • the operation can be validated and the activation of signaling 20 can be guaranteed.
  • the central processor is configured to also check local temperature data, voltage from an electrical power source (battery, for example), activation monitoring of signaling aspects (drive current level) and states of the inductive sensors and other additional data included.
  • the present invention may use data networks such as 3G, 4G, 5G, Wi-Fi, radio or similar to send the data to an external environment such as a cloud.
  • data networks such as 3G, 4G, 5G, Wi-Fi, radio or similar to send the data to an external environment such as a cloud.
  • the system object of the present invention is also configured to operate in dark stretches, that is, in stretches where there are not adequate conditions to carry out a remote monitoring using different data networks such as above mentioned.
  • the system is installed in a section of the road in which there are, for example, two trains in opposite directions passing, so that one train passes at a time.
  • the switchgear monitoring system 10 is then configured to allow the passage of a composition in one way and divert the other composition to another route, by means of signs.
  • the invention is implemented in other types of lanes with a single composition or more and which require a certain composition to change lines for some reason.
  • the electrical energy source is a 12V battery, for example, as this voltage is adequate to guarantee the functioning of the system components.
  • system components described may be electrically connected via underground cabling, for example.
  • This possible configuration is exemplified in figure 3.
  • the present invention also comprises a method of monitoring switchgear 10.
  • the common components of the system and monitoring method of switchgear 10 have the same characteristics and therefore will not be described again in detail below.
  • the switchgear 10 is of the manual or spring-operated type and configured to selectively move a needle 12 from a current position to a second position allowing a composition to change lanes.
  • said method is implemented by means of a set of sensors 11 with the same characteristics as mentioned above, that is, at least one first sensor 13 and at least one second redundancy sensor 14, both being of the inductive type and made with reinforcements 200 including at least one of structural supports, sealing, lubrication and/or coating.
  • the sensor array is installed on the lane next to the lane changer 10.
  • the method then comprises a step of activating the lane change device 10 positioning the needles with precision and variation of less than 3mm.
  • a first check consists of checking whether the needle 12 has reached the desired position when moving, in which the first check is made by the first sensor 13 of the set of sensors 11 .
  • a second check consists of confirming that the needle 12 actually reached the desired position when moving, in which the second check is performed by the second redundancy sensor 14.
  • the method further comprises a step of processing information from the set of sensors 11 by means of a central processor to which the set of sensors 11 is electrically connected.
  • the method further comprises an additional step of selectively enabling the signaling when the sensors of the sensor array 11 indicate that the needle 12 is accurately positioned, in which this step is performed by the central processor.
  • the central processor will enable a flag 20 that allows the composition to go ahead.
  • the central processor will enable a signal 20 that does not allow the composition to go forward.
  • the positioning of the needle 12 is measured in variations smaller than 3mm.
  • the method is specially configured to be implemented in a section of the road in which there are two trains in opposite directions and one train passes at a time.
  • it also comprises an additional step of allowing the passage of a composition through a lane and diverting another composition to another lane, in which this step is carried out through the selective enablement of signaling as already mentioned.
  • the invention is implemented in other types of lanes with a single composition or more and which require a certain composition to change lanes for some reason.
  • the method is then configured to allow a composition to pass through one lane and divert the other composition (or other compositions) to other lanes.
  • a railway line provided with at least one manual or spring-loaded switchgear 10 and configured to selectively move a needle 12 from a current position to a second position allowing a train to change lanes, the railway line being comprising a set of sensors 11 .
  • a manual or spring-loaded lane changer 10 configured to selectively shift a switch 12 from a current position to a second position allowing a composition to change lanes, the lane changer 10 being provided with a set of sensors 11 and being provided with the characteristics already described above is also an object of the present invention.
  • Said apparatus is compatible with the switchgear monitoring system 10, with the switchgear monitoring method 10 and also with the railway object of the present invention.
  • the present invention also contemplates a sensor configured for monitoring the switchgear 10 being part of a set of sensors 11, the switchgear 10 being manual or spring-loaded and configured to selectively moving a needle 12 from a current position to a second position allowing a composition to change lanes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

La présente invention concerne un système et un procédé de surveillance d'appareil de changement de voie (10), comprenant un ensemble de capteurs (11), l'appareil de changement de voie (10) étant du type manuel ou actionné par ressort et conçu pour déplacer sélectivement une aiguille (12) d'une position en cours à une seconde position, permettant qu'une composition change de voie, la surveillance étant effectuée sur la base d'étapes de vérification pour détecter le positionnement dudit appareil de changement de voie (10), ladite vérification étant assurée avec redondance.
PCT/BR2020/050557 2020-12-17 2020-12-17 Système et procédé de surveillance d'appareil de changement de voie ferrée WO2022126211A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/BR2020/050557 WO2022126211A1 (fr) 2020-12-17 2020-12-17 Système et procédé de surveillance d'appareil de changement de voie ferrée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2020/050557 WO2022126211A1 (fr) 2020-12-17 2020-12-17 Système et procédé de surveillance d'appareil de changement de voie ferrée

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253830A (en) * 1991-05-08 1993-10-19 Voest-Alpine Eisenbahnsysteme Gesellschaft M.B.H. Method for monitoring the condition of rail switch points
US20090045297A1 (en) * 2005-05-18 2009-02-19 Vae Eisenbahnsysteme Gmbh Device for checking the end positions of movable parts of a railway switch
US7577502B1 (en) * 2004-07-08 2009-08-18 J & A Industries, Inc. Proximity detection and communication mechanism and method
US8548654B2 (en) * 2005-12-22 2013-10-01 Hitachi, Ltd. Signaling system
US20140263863A1 (en) * 2013-03-13 2014-09-18 Alexander Muller Non-Contact Method To Detect Model Railroad Turnout Points Position
US9156479B2 (en) * 2004-01-02 2015-10-13 Donald Coy Beamon Hydraulic switch machine for railroads

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253830A (en) * 1991-05-08 1993-10-19 Voest-Alpine Eisenbahnsysteme Gesellschaft M.B.H. Method for monitoring the condition of rail switch points
US9156479B2 (en) * 2004-01-02 2015-10-13 Donald Coy Beamon Hydraulic switch machine for railroads
US7577502B1 (en) * 2004-07-08 2009-08-18 J & A Industries, Inc. Proximity detection and communication mechanism and method
US20090045297A1 (en) * 2005-05-18 2009-02-19 Vae Eisenbahnsysteme Gmbh Device for checking the end positions of movable parts of a railway switch
US8548654B2 (en) * 2005-12-22 2013-10-01 Hitachi, Ltd. Signaling system
US20140263863A1 (en) * 2013-03-13 2014-09-18 Alexander Muller Non-Contact Method To Detect Model Railroad Turnout Points Position

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