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20 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
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
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
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
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
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
Railway track switch lubricating grease and preparation method thereof
PendingCN121780225AImproved fretting resistanceeasy to cleanLubricant compositionTrackwayRailroad switch
The invention discloses lubricating grease for a railway track switch and a preparation method of the lubricating grease, relates to the technical field of lubricating grease, and aims to solve the problem of developing special lubricating grease which is high in dropping point, resistant to vibration, wide in temperature range, free of heavy metal, long-acting and stable for the switch. Lithium 12-hydroxystearate and a rapid cooling process are utilized to form a crystal soap fiber network, so that the problems of failure of high-temperature melt flow and breakage of a vibration oil film are thoroughly solved; a PAO and naphthenic oil compound system is used for cooperating with composite nanoparticles, namely calcium carbonate is used for filling micro pits, sulfide generates a FeS chemical film, the fretting wear resistance and the self-cleaning performance of a switch rail and slide plate friction pair are remarkably improved, and wide-temperature-range adaptation is achieved; inactive thioester is introduced to be matched with the alkyl diphenylamine antioxidant and the succinic acid half ester antirust agent, so that the stability and the water spraying resistance of the colloid are synchronously improved on the basis of meeting the heavy metal-free environment-friendly standard, and the service life is prolonged.
Owner:KALBEC LUBRICANTS (LIAONING) CO LTD