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31 results about "Railroad switch" patented technology
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A railroad switch (AE), turnout, or [set of] points (BE) is a mechanical installation enabling railway trains to be guided from one track to another, such as at a railway junction or where a spur or siding branches off.
Railway switch fault diagnosis method, device and equipment
ActiveCN121030306ASubsonic/sonic/ultrasonic wave measurementWavelet coherenceSupport vector machine classifier
The invention relates to the field of railway fault diagnosis, in particular to a railway switch fault diagnosis method, device and equipment, and the method comprises the following steps: S1, collecting an original vibration signal of a switch, and decomposing the original vibration signal of the switch through variational mode decomposition to form a mode signal; s2, extracting multi-scale entropy features from the decomposed modal signal, wherein the multi-scale entropy features are respectively a multi-scale wavelet coherent weighted permutation entropy, a multi-scale weighted diversity entropy and a multi-scale Mel spectrogram fusion entropy; s3, the multi-scale entropy features are respectively used for training a support vector machine classifier, so that a plurality of independent diagnosis models are constructed, and a plurality of diagnosis results are obtained; and S4, integrating a plurality of diagnosis results through a decision fusion strategy of hard voting to obtain the fault type of the switch.
Owner:HUAQIAO UNIVERSITY
Switch point roller assembly
The disclosed solution generally relates to a switch point roller assembly. The switch point roller assembly is configured to be operatively connected to a switch point within a railway switch. The switch point roller assembly comprises a spring, a bolt assembly, a roller assembly, a housing assembly, and a base plate. The base plate may be secured such that the roller assembly is in substantial contact with a railway plate during movement of the switch point—such that the operation of the switch point is improved. As such, the switch point is more resilient to wear thus leading to decreased maintenance costs and increased safety for personnel, passengers, and property.
Owner:VOESTALPINE RAILWAY SYST GMBH +1
Switch Point Roller Assembly
The disclosed solution generally relates to a switch point roller assembly. The switch point roller assembly is configured to be operatively connected to a switch point within a railway switch. The switch point roller assembly comprises a spring, a bolt assembly, a roller assembly, a housing assembly, and a base plate. The base plate may be secured such that the roller assembly is in substantial contact with a railway plate during movement of the switch point-such that the operation of the switch point is improved. As such, the switch point is more resilient to wear thus leading to decreased maintenance costs and increased safety for personnel, passengers, and property.
Owner:VOESTALPINE RAILWAY SYSTEMS NORTRAK LLC
Rail mounting seat and switch
The utility model provides a rail mounting seat and a railroad switch, and relates to a rail transit technology. The track mounting seat comprises a base plate, a mounting sleeve and a fastener, the base plate is provided with a mounting hole, the mounting sleeve is arranged in the mounting hole in a penetrating mode and provided with a connecting hole, the connecting hole is eccentrically arranged relative to the mounting hole, and the fastener is arranged in the connecting hole in a penetrating mode so as to fix the base plate. The eccentric distance between the connecting hole and the mounting hole can be adjusted by replacing different mounting sleeves or adjusting the mounting directions of the mounting sleeves to change the mounting position of the base plate, so that the purpose of adjusting the base plate and the stock rail is achieved, the mounting difficulty is reduced, and the mounting efficiency is improved. And the gauge can be adjusted after the gauge of the stock rail and the tongue rail is changed due to abrasion in use, so that the gauge is kept.
Owner:INSTITUTE OF RAILWAY ARCHITECTURE CHINA ACADEMY OF RAILWAY SCIENCES GROUP CO LTD +1
A wing rail rotary tooth rail turnout mechanism
The application provides a wing rail rotating rack turnout mechanism, which comprises a switch part, a fixed guide rail part, a rotating rail part and a first rack rail; the switch part is used for realizing the switching of a straight side and a curve side of the turnout; the fixed guide rail part is used for realizing the butt joint between the switch part and the rotating rail part of the track; and the rotating rail part is used for connecting the track and the first rack rail. The turnout mechanism connects the rotating straight side rack rail, the rotating curve side rack rail and the wing rail into a whole, reduces the occupied space during the switching of the turnout, greatly reduces the number of movable parts of the rack turnout, realizes the switching of the rack turnout only through the switch and the thrust device, optimizes the action sequence of the turnout structure and makes the driving control simpler.
Owner:CHINA RAILWAY CONSTR HEAVY IND
Switch roller device and switch machine
Owner:CNR BEIJING RAIL EQUIP
DEVICE AND METHOD FOR MOVING THE SWITCHING LEGS OF A RAILWAY SWITCH
ActiveDE602021053520T2Railway traffic control systemsFluid-pressure devices for scotch-blocksBiochemistryCell biology
Owner:SILSUD SRL
Rail transit turnout control fault intelligent detector
InactiveCN120886883ARailway inspection trolleysRailway auxillary equipmentRail inspectionControl theory
The invention discloses a rail transit turnout control fault intelligent detector, which relates to the technical field of rail transit equipment and comprises a plurality of sleepers, stock rails A, B and C are fixedly connected onto the sleepers respectively, two switch rails are fixedly connected onto the sleepers, a railroad switch is arranged on one side of each sleeper, four transmission connecting rods are fixedly connected onto the railroad switch, and the transmission connecting rods are fixedly connected onto the railroad switch. The fault detection assembly comprises a railway inspection vehicle, the railway inspection vehicle is arranged on the stock rail A, and a vehicle handle is fixedly connected to the railway inspection vehicle; through operation of the fault detection assembly, the rail transit inspection vehicle capable of automatically and continuously moving is designed, the fit degree and the height difference are detected, visible signals and audible signals are fed back and reminded to inspection personnel, linear pigment visible signals with different colors are marked, the operation and the moving process are carried out synchronously, pause is not needed, and the working efficiency is improved. The problem of discontinuous limitation of manual detection is solved, and a continuous operation mode of mobile detection is realized.
Owner:JILIN COMM POLYTECHNIC
Switch frog with continuous running surface protected from longitudinal displacement of core relative to guard rails
FIELD: railway tracks.SUBSTANCE: invention is aimed at increasing the reliability of switch frogs with a continuous rolling surface. The frog comprises the guard rails, the movable core and the drive. The guard rails are rigidly connected to the core in the longitudinal direction through the support rails. Each support rail is welded to the guard rail at the front or mechanically attached using bolts, and at the tail end is connected to the core via an insert and a bolted connection with a longitudinal gap that provides compensation for temperature deformations.EFFECT: stability of the rolling surface geometry is ensured, and mutual longitudinal displacements of the core and guard rails are minimized.5 cl, 6 dwg
Owner:AKTSIONERNOE OBSHCHESTVO MUROMSKIJ STRELOCHNYJ ZAVOD
Switch machine state indicator
Aspects of the present disclosure generally relate to railroad switch equipment, specifically to a railroad track switch machine including a cover assembly with an external state indicator. More specifically, an electrical switch machine includes an electric motor and a gearbox for operating switches and rods for movement of a point, and a cover assembly for the gearbox, wherein the cover assembly comprises an external state indicator configured to display one or more internal states of the switch machine.
Owner:SIEMENS MOBILITY PTY LTD
Acceleration type No.9 turnout for urban rail transit
The utility model provides a speed-increasing type No.9 turnout for urban rail transit. The turnout comprises a switch, a guide curve, a frog, a guard rail and a switch tie, the turnout has a turnout plane line type; the overall length of the turnout plane line type turnout is 28.369 to 29.569 m, the front length of the turnout is 12.639 to 13.839 m, and the rear length of the turnout is 15.73 m; the plane line type of the turnout is a secant line type, and the secant line type is 14-35m in cut; the track gauge of the turnout plane line type full turnout area is 1435mm except that a track gauge structure in the cutting range of a switch rail head is widened; the radius of curvature of the center of the side strand in the turnout plane line type is 260-280 m, preferably 280 m. The straight passing speed can be increased to 120 km / h, the lateral passing speed can be increased to 43 km / h, the overall length, the center, the front length and the rear length of an existing turnout are kept unchanged, the occupied space of the turnout is kept unchanged, the construction cost is basically unchanged, the turnout can be used for newly building lines and reconstructing existing lines, and the line transport capacity is effectively improved.
Owner:CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD
Track switch heater and control system
A track switch heater and control circuit associated therewith, for use with a track switch is provided. The track switch heater includes a first heating element and a second heating element electrically connectable to a power source. The track switch heater further includes a heater control circuit electrically connected to the first heating element and the second heating element, the heater control circuit having an input control signal indicating a position of the track switch being in a first position or a second position. The heater control circuit independently controls power delivery from the power source to one of the first heating element or the second heating element based on the position of the track switch.
Owner:RAILWAY EQUIP CO INC
Systems and methods for monitoring and validating status of switch devices
PendingUS20250346268A1Classification yard switching systemsRailway traffic control systemsControl signalSwitchgear
Methods and systems for determining a status of switch devices in a classification yard. In particular embodiments, a set of switch event data associated with a switch may be analyzed to determine the performance of the switch during operations of each switch event. A status of the switch may be determined from the analysis of the performance of the switch during operations of each switch event. In embodiments, the analysis may include thresholding analysis that may be configured to determine a relationship (e.g., a deviation relationship) between real-world measurements during the switch events and expected measurements during the switch events for each switch event associated with the switch. In embodiments, the status of the switch may be used to ensure corrective action is taken on the switch (e.g., deploy maintenance personnel, report the status of the switch, send a control signal to the switch to deactivate, etc.).
Owner:BNSF RAILWAY COMPANY
Linear conveying system
The invention relates to a linear transport system (1) comprising a movable unit (10), a guide rail (2) for guiding the movable unit (10), and a linear motor (30) for driving the movable unit (10) along the guide rail (2). The linear transport system (1) has at least one switch (40). The switch (40) has at least one static entry element (50) with an entry motor module (51) and an entry rail element (52) belonging to the guide rail (2). The switch (40) also has at least two static turnout elements (60) each having a turnout motor module (62) and a turnout rail element (62) belonging to the guide rail (2). In addition, the switch (40) is provided with a switching device (41). The switching device (41) has at least two switching elements (70) each having a switching motor module (71) and a switching rail element (72) belonging to the guide rail (2). In a first position of the switching device (41), the entry element (50) is connected to the first exit element (63) via the first exchange element (73). In a second position of the switching device (41), the entry element (50) is connected to the second exit element (64) via a second exchange element (74).
Owner:BECKHOFF AUTOMATION GMBH
A switch machine
The utility model belongs to the rail sightseeing train track turnout switching technical field, concretely relates to a turnout switch, including first fixed track and second fixed track, the inside of first fixed track and second fixed track is provided with first frog and second frog, first fixed track, second fixed track, first frog and second frog are located the upper side of the sleeper, first fixed track and first frog are located the same side, second fixed track and second frog are located the other side, first fixed track and second frog are parallel to each other, second fixed track and first frog are parallel to each other, the below of first frog and second frog is fixedly connected with the translation plate, one side of translation plate is connected with electric push rod, through to electric push rod as turnout switching power source, apply to the tourism track turnout or mine turnout, realize the remote control of turnout change direction.
Owner:CHONGQING UBRAIL TRACK TRANSIT EQUIP CO LTD
Railway Switch Rod Support Assembly
A solution for a railway switch rod support assembly is disclosed. The railway switch rod support assembly comprises a plurality of hangers which may include a first hanger and a second hanger. The railway switch rod support assembly may further include a plurality of insulating layers. The plurality of insulating layers is configured to insulate the rail from electrical interference. Furthermore, the railway switch rod support assembly includes a roller assembly comprising an axle and a roller. The roller assembly is disposed between the first hanger and the second hanger. The railway switch rod support assembly also comprises a tension assembly configured to apply tension to the roller assembly. The tension assembly is disposed between the first hanger and the second hanger. As such, the disclosed solution improves safety and reduces maintenance costs.
Owner:VOESTALPINE RAILWAY SYSTEMS NORTRAK LLC
Thermoplastic polyester elastomer base plate for rail transit
The utility model relates to the technical field of railroad switch transportation, and discloses a thermoplastic polyester elastomer base plate for rail transit, which comprises a first buffer plate, a second buffer plate is arranged below the first buffer plate, and first buffer bent plates are arranged on two sides of the lower end of the first buffer plate. Second buffer bent plates are arranged on one sides of the two first buffer bent plates, first groove bodies are evenly formed in one sides of the two first buffer bent plates, second groove bodies are evenly formed in one sides of the two second buffer bent plates, first through holes are evenly formed in the middles of the first buffer plates, and second through holes are evenly formed in the middles of the second buffer bent plates. Second through holes are evenly formed in the middle of the second buffer plate, and mounting plates are fixedly connected to the periphery of the upper end of the first buffer plate. When the device is used for transporting the railroad switch, impact force generated by bumping of the railroad switch in the transportation process can be effectively buffered, and the situation that normal use of the railroad switch is affected due to collision and damage is avoided.
Owner:BEIJING ZKYT TECH CO LTD
Systems and methods for monitoring and validating status of switch devices
PCT designated stageWO2025235708A1Classification yard switching systemsRailway traffic control systemsControl signalSwitchgear
Methods and systems for determining a status of switch devices in a classification yard. In particular embodiments, a set of switch event data associated with a switch may be analyzed to determine the performance of the switch during operations of each switch event. A status of the switch may be determined from the analysis of the performance of the switch during operations of each switch event. In embodiments, the analysis may include thresholding analysis that may be configured to determine a relationship (e.g., a deviation relationship) between real-world measurements during the switch events and expected measurements during the switch events for each switch event associated with the switch. In embodiments, the status of the switch may be used to ensure corrective action is taken on the switch (e.g., deploy maintenance personnel, report the status of the switch, send a control signal to the switch to deactivate, etc.).
Owner:BNSF RAILWAY COMPANY
A turnout for rubber-tyred tram
The present invention relates to a turnout for a rubber-wheeled tram, which is formed by the cross-combination of two lines, a rubber-wheeled track and a guide rail; a guide rail is nested in the rubber-wheeled track, and the two are parallel to each other and maintain a fixed interval to form a rubber-wheeled tram track; the rubber-wheeled tram track is branched from one line into two lines to form a turnout; the rubber-wheeled track includes a rubber-wheeled rail and a guide rail; the rubber-wheeled rail and the guide rail are arranged in pairs and are parallel to each other and maintain a fixed gauge to form their own tracks; the turnout is located within the range of the switch, and the fixed interval between the rubber-wheeled rail and the guide rail is eliminated and a point rail is provided after the turnout is combined; the front section of the point rail is connected to a conversion device. The structural design of the present invention is simple and reasonable, and can meet the requirements of safe passage of rubber-wheeled trams, and mainly relies on the contact between the rubber wheel and the corresponding rail to carry the locomotive and vehicle, and the contact between the steel wheel rail and the guide rail to achieve the functions of guiding the locomotive and vehicle in the turnout area or emergency avoidance.
Owner:CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD
Method for upgrading the wooden structure of No. 7 symmetrical three-way turnout to concrete structure
The application discloses a kind of 7 number symmetry three open turnout wood changes concrete structure upgrading method, belong to turnout upgrading and reconstruction technical field.Adopt following anti-falling means: (1) adjustment point rail lower value;(2) cancel the rail brace of basic rail outside, and the length 320mm of elastic clip is used in switch section to press the inside of basic rail, and the elastic clip design elastic range is 7mm, and the pressure of buckling is not less than 11kN;(3) turnout is equipped with anti-derailing device;(4) middle frog toe heel end length 1400+2190mm, rear end frog toe heel end length 1550+2652mm;Vehicle straight direction passes through rear end two frogs, and guard rail cannot be separately set, so straight direction wheel flange groove straight section extends 150mm before theoretical point end to prevent the point end of opposite frog;(5) guard rail is manufactured using 43kg / m steel rail, and guard rail top surface is 12mm higher than basic rail top surface;Guard rail straight section wheel flange groove is 57mm, and opening section groove width is 85mm or 100mm.
Owner:HUBEI WUTIESHANQIAO TRACK EQUIP CO LTD +2
Railway switch interface
PCT designated stageWO2025234881A1Remote control for signallingRailway traffic control systemsCommunication unitElectrical battery
The invention relates to a railway switch interface for controlling railway switches during maintenance periods, the interface being configured for retrofit, temporary attachment to existing railway switch machines, the railway switch machines being arranged for remote control by train traffic control managers during normal operation or by manual cranking during maintenance by a local rail worker, the railway switch interface comprising: a power unit comprising a battery; a communication unit capable of receiving operational commands and transmitting status information; a coupling unit configured to interface directly with a manual cranking mechanism of the railway switch machine; a driving unit configured for driving the coupling unit to rotate and crank the manual cranking mechanism; and a control unit configured to manage operations of the motor unit based on received operational commands and to adjust the railway switch according to a received command; wherein the railway switch interface is configured to be installed and removed by a rail worker without requiring permanent changes to the railway switch machine, thereby enabling the railway switch to be operated remotely to reduce the need for manual cranking by rail workers and improve safety and efficiency during maintenance operations.
Owner:DUAL INVENTIVE HLDG
High-speed turnout switch structure and traction stroke optimization method
The application discloses a high-speed turnout switch structure and a traction stroke optimization method, proposes a reasonable control method for insufficient displacement based on a high-speed turnout switch rail conversion test, then researches and proposes an optimized design scheme of the switch structure, and finally matches and optimizes the switch traction stroke according to the optimized structure, so that the minimum wheel flange groove and the conversion force meet the requirements and the switch rail repulsion state deformation coordination performance is improved.
Owner:RAILWAY CONSTR RES INST OF CHINA ACAD OF RAILWAY SCI CO LTD +1
Method and apparatus for securing a railroad switch
A securement apparatus for securing a railroad switch including a box with an interior compartment. A portion of a switch stand of a railroad switch is received within the interior compartment and thereby engages with the box. The box includes at least one slot defined a wall of the box to receive a portion of the hand of the switch stand. The box includes an engagement member located within the interior compartment of the box. The engagement member engages and securing the portion of the switch stand. The box further includes a locking mechanism which engages with the box and a tether to securing the securement apparatus to the ground.
Owner:BENTE SAM
Apparatus and method for moving the point blades of a railroad switch
ActiveEP3865371C0Railroad switch
Owner:SILSUD SRL
Automatic driving system of monorail hoist driven based on digital twin and method thereof
The present disclosure belongs to the technical field of mining equipment, and in particular related to an automatic driving system of a monorail hoist driven based on a digital twin and a method thereof. The system includes a railroad switch sensor module, a positioning system module, a data transferring system, an intelligent control system, a digital twin system and an automatic driving module. The railroad switch sensor module is configured to sense the connection-position state of a movable track in a monorail hoist railroad switch track. The data transferring system is configured to transmit the data on the surface and underground. The method applies the digital twin technology to the automatic driving in the monorail hoist, reduces the input of personnel in the mine, and avoids safety accidents caused by irregular management or improper operation of the driver, through the deploying of the automatic driving module for the monorail hoist.
Owner:CHINA UNIV OF MINING & TECH +1
Rod adapter for a railroad switch assembly
PCT designated stageWO2025199525A1Rail switchesPoint operation from vehicleSoftware engineeringMachine
An adapter mechanically links a switch machine with a derail when a crowder is present. The adapter permits installation of the switch machine, having throw, locking, and point detector rods, and derail / crowder mechanisms in a variety of configurations. The adapter eliminates the need to weld a lug onto the point detector connecting rod for purposes of driving the crowder. Further, the adapter permits installation of all the components of the switch machine and derail / crowder mechanisms in the crowded space between tie rails.
Owner:APEX RAIL AUTOMATION
Turnout opening range vision measurement method and system
The invention discloses a turnout open range vision measurement method and system, and relates to the technical field of turnout open range detection, a line structured light 3D camera shoots images of a switch rail and a stock rail based on encoder signals, and after filtering and enhancement preprocessing, a switch is positioned through a trained target detection model, and a region of interest is extracted; judging the type of the railroad switch according to the center distance of the railroad switch, obtaining a steel rail region depth map through segmentation, extracting an effective detection region of the steel rail through morphological operation, and extracting and fitting the edge of the steel rail; obtaining a plurality of measuring points according to the intersection points of the center connecting line of the railroad switch and the edge of the fitted steel rail; the Euclidean distance of the intersection point of the turnout switch rail and the stock rail on the same side is calculated to serve as a measured open range value, error correction of the measured open range value is conducted according to the type of the branch frog, a result is marked in an original image, marking alarm is conducted on unqualified point positions, and a report is generated synchronously. According to the invention, high-precision, non-contact and real-time measurement of the turnout opening is realized, and the safety guarantee capability is improved.
Owner:CHENGDU JINGSHI HUAYAO TECH CO LTD
Method for reprofiling at least one switch blade in points laid in a railway track
A method for reprofiling a switch blade of a railroad switch laid in a railway track uses at least a first machining aggregate with a machining tool held on a machining vehicle. For the purpose of reprofiling, the switch blade to be reprofiled is arranged at a distance to a stock rail interacting therewith in a transverse direction, thereby forming a gap. A counterhold held on the machining vehicle is positioned in the gap, wherein during profiling the machining vehicle is guided along the switch blade and the latter is pressed onto the counterhold by the machining tool and supported there.
Owner:MATE GMBH
Simulation Method and System for Three-Dimensional Wheel-Rail Contact Model in Switch Area
ActiveCN121093722BDesign optimisation/simulationSpecial data processing applicationsNumerical stabilityElement model
This invention provides a simulation method and system for a three-dimensional wheel-rail contact model in a switch area, belonging to the field of railway engineering technology. The method includes: applying a gravity load to the wheel-rail finite element model of the switch area based on its structural contact characteristics to generate an initial static displacement field; applying an initial angular velocity to the wheelset based on the initial static displacement field; determining an asymmetric quasi-steady-state solution under the wheel-rail structural contact characteristics of the switch area based on the initial angular velocity application result; generating a dynamic relaxation file based on the asymmetric quasi-steady-state solution to record the steady-state displacement and stress state of each node in the switch area; loading the dynamic relaxation file as the initial state; simulating the process of the wheelset passing through the switch area; and outputting real-time dynamic response results. This invention effectively improves the numerical stability and physical consistency of the wheel-rail dynamic response in the switch area, providing a reliable foundation for accurately analyzing wheel-rail interaction and the safety performance of the switch area.
Owner:SOUTHWEST JIAOTONG UNIV
Simulation method and system for three-dimensional wheel-rail contact model in switch area
ActiveCN121093722ADesign optimisation/simulationSpecial data processing applicationsElement modelClassical mechanics
The embodiment of the invention provides a simulation method and system for a three-dimensional wheel-rail contact model in a railroad switch area, and belongs to the technical field of railway engineering. The method comprises the steps of applying a gravity load to a wheeltrack finite element model of a switch area based on structural contact characteristics of the switch area, and generating an initial static displacement field; applying an initial angular velocity to the wheel set based on the initial static displacement field, and determining an asymmetric quasi-steady-state solution under the contact characteristics of the wheeltrack structure in the switch area based on an initial angular velocity applying result; generating a dynamic relaxation file for recording the steady-state displacement and stress state of each node of the switch area based on the asymmetric quasi-steady-state solution; and loading the dynamic relaxation file as an initial state, executing process simulation of the wheel set passing through the switch area, and outputting a real-time dynamic response result. According to the scheme, the numerical stability and the physical consistency of the dynamic response of the wheeltrack in the railroad switch area are effectively improved, and a reliable foundation is provided for accurately analyzing the interaction of the wheeltrack and the safety performance of the railroad switch area.
Owner:SOUTHWEST JIAOTONG UNIV