51 results about "Railroad switch" patented technology

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.

Disclosed is a railroad switch device for moving railroad switch points. The device includes two spring assembly sets placed over two switch operation rods. The spring assembly sets move railroad switch points and keep railroad switch points against a stock rail. At least one sensor is mounted adjacent to two switch operation rods. The switch operation rods have a switch point position target connected to the switch operation rods. The switch point position target follows a movement of two throw rods. The two spring assembly sets provide a spring holding force to the two switch operation rods. The spring holding force provides a safe operation of a switch point position assembly by at least one of determining that the spring holding force is present in the moving railroad switch point, and pushing the spring holding force towards the switch point position assembly away from the at least one sensor.

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.

The opening and closing state of a turnout in a line can be more accurately and easily determined according to a shot image. A line detection device is provided with: a line detection unit that uses a line detection model, which is a learned model that inputs an image and outputs a line detection image as a result of line detection, to detect a line from an image captured by an image capturing device that captures an image of an area around a railway vehicle, and to output a line detection image; the turnout detection part is used for carrying out image processing on the line detection image, detecting a pair of triangular areas between the tracks from the line detection image, and detecting the turnout when the triangular areas are detected; outputting a determination image for determining the vertex of each of the pair of triangular regions as a switch for diverging a line into a plurality of lines or joining the plurality of lines; and a turnout state determination unit for determining the opening / closing state of the turnout according to the determination image by using a turnout state determination model, which is a learned model that inputs the image of the switch including the turnout and outputs the opening / closing state of the turnout.

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.

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.

A switch roller device and a switch point, relating to the technical field of railways. The switch roller device includes a first bracket, a second bracket, a rolling element, a first bushing assembly and a second bushing assembly; along the axial direction of the rolling element, the first bushing assembly and the second bushing assembly are respectively sleeved at both ends of the rolling element to form a roller assembly; both the first bushing assembly and the second bushing assembly include an eccentric sleeve; the eccentric sleeve includes a first eccentric sleeve portion, a second eccentric sleeve portion, a third eccentric sleeve portion and an eccentric sleeve cavity; the axis of the rolling element is not collinear with the axis of the eccentric sleeve; the eccentric sleeve is configured to be able to rotate and adjust around its own axis so that part of the rolling element protrudes from the surface of the first bracket facing away from the second bracket. The switch point includes the switch roller device. The present invention provides a switch roller device and a switch point to solve the technical problems in the prior art that the adjustment process of the roller height of the fixed-structure switch roller device is cumbersome and the adjustment speed is slow.

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.

The invention provides a narrow-gauge 50kg / m steel rail 6 single turnout, which comprises a concrete switch tie, and a switch group, a frog, a rail support sliding bed backing plate assembly and a III-type switch tie bolt assembly which are arranged on the concrete switch tie, the rail support sliding bed backing plate assembly is arranged between the concrete switch tie and the switch group, and the III-type switch tie bolt assembly is fixedly connected with the concrete switch tie; the rail support sliding bed backing plate assembly comprises a rail support sliding bed backing plate used for installing a straight stock rail and a curved stock rail and a sliding bed table rail bearing surface used for installing a straight switch rail and a curved switch rail, and rail gauge adjusting pieces are arranged between the straight stock rail and the rail support sliding bed backing plate and between the curved stock rail and the rail support sliding bed backing plate. The radius of a guide curve can be increased, and the overall length of the turnout is shortened; the point end of the switch rail is of a hidden point type structure, the point end of the switch rail can be protected from being punctured by wheels, and the switch rail can keep good vertical stability under the action of dynamic loads. The adjustable rail brace is arranged on the outer side of the stock rail, stability of the stock rail is enhanced, and camber is reduced. Railway operation safety is enhanced, and service life of steel rails and wheels is prolonged.

The safety protection frame is composed of a base groove top plate, a base groove outer side plate and a base groove inner side plate, the base groove outer side plate and the base groove inner side plate are connected with the two ends of the base groove top plate respectively, and an opening faces downwards. The protection groove is located on the outer side of the base groove inner side plate and composed of a protection groove top plate and a protection groove outer side plate, an opening faces downwards, one end of the protection groove top plate is connected with the outer side of the base groove inner side plate, and the other end of the protection groove top plate is connected with the top end of the protection groove outer side plate. The middle position of the top plate of the base groove is connected with a handle. The turnout stock rail is used as the base, and the stable and reliable safety protection device is arranged in the railway automatic turnout switch rail and stock rail action area, so that the problem that hands or feet of turnout maintainers are possibly injured by the turnout switch rail when the turnout is maintained is solved, and safety guarantee is provided for operation of the turnout maintainers.

A system allows operation of a mainline switch and one or more yard switches. The mainline switch can have vital functions and the yard switches may or may not be vital. The system can be implemented to route a train from a mainline to a rail yard track, where a route is designated and includes the mainline switch and the yard switch.

The present invention relates to the technical field of high-speed turnout switchgear paving, and particularly relates to a high-speed turnout switchgear paving tooling. The high-speed turnout switchgear includes a straight track, a curved track, and a switch machine. The high-speed turnout switchgear paving tooling includes: a first box body and a second box body, which are arranged opposite to each other. The upper surface of the first box body is provided with a first positioning area corresponding to the straight track, and one side of the first box body away from the second box body is provided with a first mounting bracket corresponding to the switch machine. The upper surface of the second box body is provided with a second positioning area corresponding to the curved track. Due to the preset first positioning area corresponding to the straight track and the second positioning area corresponding to the curved track, during assembly, the straight track and the curved track can be assembled to the corresponding positions. Compared with the prior art, it is more convenient and faster. At the same time, since there is no need to preset sleepers, there is no gap either, improving the safety factor during production, reducing the labor intensity, making the product positioning more accurate, and being conducive to the development of automation.

The utility model relates to the technical field of railway turnouts, in particular to a cross crossover turnout linear structure which comprises four sets of switches and a single-open frog, and the four sets of switches are arranged in parallel. The four groups of single frogs are intersected to form a rhombic crossed structure; the straight lateral track gauges of all the switches and the single-open frogs are 1435 mm, the rhombic cross structure comprises two acute-angle frogs and two obtuse-angle frogs, and the obtuse-angle frogs are directly connected with the heel ends of the single-open frogs. Procedures of production manufacturing and maintenance are simplified, the possibility of field design and assembly errors is reduced, and the labor cost of construction is indirectly reduced.

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.

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

The present invention provides a symmetrical turnout suitable for 762mm gauge 3.5 and a construction method thereof, wherein the symmetrical turnout has a total length a of 7720-7724mm and a front length a of 1 3551~3555mm, rear length a 2 The track width of the switch is 4167-4171 mm, and the switch is composed of a switch part, a switch fork and a guard rail part, wherein: the switch part includes two basic rails, two point rails and two switch rails, the point rails are connected to the switch rails, and both are located between the two basic rails, and the two point rails are curved structures, and the ends can alternately cling to the basic rails on the same side. The present invention provides a 762 mm track gauge symmetrical turnout, which can realize the smooth track change of the train and ensure the safety of the train.

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.

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.

The invention provides a switch point rail crack detection method and device based on fusion time-frequency domain characteristics, and relates to the technical field of point rail crack detection.The method comprises the steps that vibration signals of different knocking points of a switch point rail are obtained, and the vibration signals comprise force signals and acceleration signals; performing synchronous compression wavelet transform on the vibration signal to obtain a synchronous compression wavelet transform result; calculating a frequency response function of the vibration signal; constructing a multi-modal vibration signal fusion model; based on the acceleration signal, the frequency response function and the synchronous compression wavelet transform result, training the multi-modal vibration signal fusion model to obtain a crack damage identification model; and detecting the actual crack of the switch rail through the crack damage identification model to obtain a damage result of the actual switch rail. The problems that an existing detection method is low in sensitivity and high in measurement cost, and long-time real-time detection cannot be achieved are solved.

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.

The invention discloses a snow melting system for railroad switches and a control method thereof. The method comprises: acquiring environment information through a sensor, determining whether to perform a heating action according to the environment information, the environment information including temperature and humidity information and snowfall information; if determining to perform the heating action, outputting a preset control signal to an inverter power supply, to cause the inverter power supply to generate a high-frequency alternating current on an induction heating coil which heats a steel rail; determining a magnitude relation between a distance between the induction heating coil and the steel rail and a preset distance according to a collected output current of the inverter power supply, and controlling an output signal to the inverter power supply according to the magnitude relation to control a heating state; wherein the heating state include continuing heating and stopping heating. By the controller outputting the control signal to the inverter power supply to cause the inverter power supply to generate a high-frequency alternating current, to cause the induction heating coil to generate an alternating magnetic field, and heating the steel rail using eddy current generated by the alternating magnetic field, the advantages of high heating efficiency, rapid temperature increase, and low power consumption are achieved.

A switch roller device and a switch point, relating to the technical field of railways. The switch roller device includes a first bracket, a second bracket, a rolling body, a first bushing assembly, and a second bushing assembly; the first bushing assembly and the second bushing assembly are sleeved at both ends of the rolling body to form a roller assembly; the first bracket and the second bracket are cooperatively connected to form a bushing fitting hole and a receiving cavity; both the first bushing assembly and the second bushing assembly adopt eccentric bushing assemblies; the axis of the eccentric bushing assembly is not collinear with the axis of the rolling body; the eccentric bushing assembly can rotate and adjust around its own axis, so that the rolling body rotates synchronously with the eccentric bushing assembly, thereby causing part of the rolling body to protrude from the surface of the first bracket facing away from the second bracket. The switch point includes the switch roller device. The present invention provides a switch roller device and a switch point to solve the technical problems in the prior art that the adjustment process of the roller height of the fixed-structure switch roller device is cumbersome and the adjustment speed is slow.

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.).

The utility model relates to the field of rail accessories, in particular to a protection device of a turnout switch, which is characterized by comprising a covering steel plate and a fixing steel plate, a horizontal steel plate is arranged in the middle of the covering steel plate, vertical steel plates are arranged at the left end and the right end of the covering steel plate, and the horizontal steel plate and the two vertical steel plates jointly define a protection inner cavity. The horizontal steel plate can be hinged to the fixed steel plate in an upward overturning and opening mode, a receding notch is formed in the middle of the bottom edge of the fixed steel plate, and at least one elastic downward pressing piece is arranged at the hinged position of the horizontal steel plate and the fixed steel plate. The elastic pressing piece can elastically press the horizontal steel plate downwards so that the rear ends of the horizontal steel plate and the two vertical steel plates can be tightly pressed at the front end of the fixed steel plate. According to the utility model, the interference of external interference factors such as stones, freezing rain, accumulated snow or hail on the movement of the draw bar shaft below the stock rail can be greatly reduced, the rail replacement can be kept at high speed and accuracy for a long time, the inspection and maintenance are convenient, and the potential safety hazard can be reduced.

A one-machine, multi-point drive mechanism for a railway switch comprises: pull rods (100), at least comprising a first pull rod (101) and a second pull rod (102), the pull rods (100) being hinged to at least two traction points of two switch rails, one end of the first pull rod (101) being used to connect to a switching device (40); support seats (400), comprising a first support seat (401) and a second support seat (402); T-shaped connecting rods (500), hinged to the other end of the first pull rod (101), the T-shaped connecting rods (500) being hinged to the support seats (400); and long connecting rods (600), comprising first and second long connecting rods (601, 602), one end of a long connecting rods (600) being hinged to a first T-shaped connecting rod (501), and the other end being hinged to a second T-shaped connecting rod (502). A parallelogram mechanical structure having stable force transmission is formed by the T-shaped connecting rods (500) and the long connecting rods (600), the force is uniform, and a labor-saving structure is formed; the accuracy of a linear output of the displacement of the switch rails pulled by the pull rods at the traction points and actual range of motion values are satisfied. This achieves one-machine, multi-point driving, having smooth operation, a reduced number of switching devices at a switch, and a reduced electrical maintenance and repair costs.

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).