37 results about "Level crossing" patented technology

A method for detecting the movement of a rail vehicle, in particular a freight or passenger train, in a warning zone (120) of a level crossing (100), characterized in that the method comprises: - Determining (10) a first temperature (210) in the warning zone (120) of the level crossing (100) or in a sub-area of ​​the warning zone (120) at a first time, - Determining (20) a second temperature (220) in the warning zone (120) of the level crossing (100) or in a sub-area of ​​the warning zone (120) at a second time, wherein the first time is prior to the second time, - Comparing (30) the first temperature (210) with the second temperature (220), and - if the comparison shows that the second temperature (220) is higher than the first temperature (210), the method further comprises: - Issuing (35) a warning signal (160), and - Initiating (37) a closure of the Level crossing (100) .

Disclosed are a control method and system for a level crossing device. The method comprises: dividing a level crossing train track into a plurality of track sections; obtaining a section state of each of the plurality of track sections; converting the section state of each track section into a logic variable, and, on the basis of the logic variables, determining a train travel state on the level crossing train track; and, on the basis of the train travel state, controlling a level crossing device on the level crossing train track. The control method for a level crossing device provided in the present invention is compatible with multiple requirements. On the basis of actual conditions and needs, the opening and closing of the level crossing can be automatically controlled using train running position, axle counting detection, and track circuit detection, and by receiving position information provided by an interlocking device, position information provided by an adjacent safety level crossing control system, and position information provided by an approach notification relay. The method includes group control functionality for adjacent level crossings within a region, and is configured with a manual control panel to provide emergency manual control capability.

The present invention relates to the field of traffic protection devices, and provides a rotating indication mechanism, a level crossing barrier mechanism, and a method for determining a discrete signal thereof. The rotating indication mechanism comprises a top plate movably disposed on a surface of a barrier main shaft and a trigger mechanism which is arranged on the top plate and cooperates with an indication switch; the trigger mechanism comprises a cam and a torsion spring, a first groove is provided on a side of the top plate close to the switch, the cam is rotatably arranged in the first groove by means of a rotating shaft, a second groove is provided within the first groove near a middle section of a side of the top plate, an opening is provided at a middle section of the cam on a side away from a cross-section of the cam, and the torsion spring is annularly arranged on the rotating shaft at a middle section of the opening of the cam and abuts against the second groove; and the indication switch makes and breaks a circuit by means of engagement with the cross-section of the cam and the torsion spring. An adjustable protruding surface is arranged on the barrier main shaft, so as to make the barrier main shaft more accurate in a horizontal or vertical position, and to better facilitate on-site installation and maintenance; and a buffer structure is arranged on the protruding surface of the barrier main shaft, allowing contacts of the indication switch to achieve greater travel, thereby making barrier-in-position indications more reliable and stable.

An improved railway roadway crossing support system uses a foundation pile, support brackets and connecting hardware to provide vehicle traffic road support separated from the railroad ballast and track support system. The improved railway roadway crossing support system separates the roadway support system from the track support system so that the roadway support system can last longer and be repaired separately from the track support system. In addition, the roadway support system may further be adjusted quickly and easily to the height of the railway track.

A method for the remote activation of railroad crossing signals includes determining a physical location of a client system. The method further includes determining, from a plurality of records of railroad crossing signals, an eligible railroad crossing signal that is within a predetermined distance of the physical location of the client system. The method further includes sending identification information about the eligible railroad crossing signal to the client system. The method further includes receiving, from the client system, an indication of a user selection to activate the eligible railroad crossing signal. The method further includes sending an activation signal to the eligible railroad crossing signal in response to receiving the indication of the user selection to activate the eligible railroad crossing signal.

Reduce power consumption. [Solution] The physical quantity of the alarm sound is measured, the measured value is stored, and the measurement information, which is a compilation of the measured values ​​of the physical quantity of the alarm sound for a predetermined number of level crossing operations, is transmitted to an external device for each predetermined number of level crossing operations.

The utility model discloses a railway crossing curve track gauge adjusting device relates to railway engineering technical field, it includes the screw rod of transverse between concrete integral ballast bed and steel rail, one end of screw rod is equipped with the pad iron, and the other end inserts and is equipped in the iron block, and the screw rod is equipped with flat washer, spring washer and nut assembly between the iron block and the pad iron. Compared with prior art, the utility model provides a railway crossing curve track gauge adjusting device that can maintain track gauge stability for a long time and reduce maintenance cost.

The utility model relates to the technical field of crossing container truck deadbolt state detection, in particular to a crossing container truck deadbolt state detection device which comprises an installation frame. The detection mechanism comprises a camera fixedly connected to the upper end of the surface of the mounting frame, first motors are fixedly connected to the two sides of the end of the mounting frame, and output shafts of the first motors are fixedly connected with movable frames; according to the device, through the light supplementing lamp, the camera can provide a physical light supplementing effect in various light environments such as nighttime, backlighting and strong light direct incidence, compared with an existing laser scanner which is prone to missing detection under light shielding, the mode ensures that the camera can clearly shoot the container truck lock knob state, and the detection accuracy of the container truck lock knob is improved. The detection effect of the crossing container truck deadbolt state is further ensured; and through the first motor and the second motor, the illumination angle of the light supplementing lamp is automatically debugged, and the light supplementing effect on the camera is improved.

The utility model discloses a train approach alarm device based on radar induction, which comprises a first alarm device and a second alarm device, the first alarm device is arranged on a train starting side of a first crossing, and the second alarm device is arranged on a train leaving side of a second crossing; each of the first alarm device and the second alarm device structurally comprises a support frame, a monitoring assembly, a sound-light alarm device and a signal transmitting and receiving device, the support frame is arranged on the ground on one side of the crossing, the monitoring assembly, the sound-light alarm device and the signal transmitting and receiving device are mounted on the support frame, the sound-light alarm device is electrically connected with the monitoring assembly, and the signal transmitting and receiving device is electrically connected with the monitoring assembly. The signal transmitting and receiving device is electrically connected with the monitoring assembly and the sound-light alarm device. And the signal transmitting and receiving device of the first alarm device and the signal transmitting and receiving device of the second alarm device are mutually transmitted through wireless signals.

Provided are a surveillance system, an information processing device, a fall detection method, and a non-transitory computer readable medium capable of improving the accuracy of detecting a person who has fallen down in a railroad crossing. A surveillance system according to the present disclosure includes a LiDAR sensor (10) that emits a plurality of laser beams with different ranges to a surveillance area, and outputs a detection signal indicating a detection status of an object by each of the laser beams, and an information processing device (20) that determines that the object has fallen down when the detection status by a laser beam with a shorter range than a predetermined range indicates that the object is detected and the number of laser beams detecting the object decreases.

The invention relates to a method for traffic control at a level intersection where traffic routes cross and the blocking and passage phases of the traffic routes are controlled by controlling a signal system by means of a controller, wherein at least one inbound traffic route leads to the intersection and is directed onto at least one outbound traffic route leading away from the intersection, wherein the method in a first traffic control mode of the controller comprises the following steps: - Detecting a flow capacity in the outflow traffic path starting from the traffic junction using at least one sensor of a sensor system, wherein the flow capacity defines a number of traffic participants that can be accommodated by the outflow traffic path without causing congestion at the traffic junction, and - Controlling the traffic signal system by means of a control system such that a passage phase is set for the inbound traffic route depending on the outflow capacity.

A railway crossing signal lamp test system includes a power source, a timer device configured to provide periodic electrical pulses, and first and second relays. The first relay may be configured to alternately provide periodic electrical pulses to a left lamp and a right lamp of a railway crossing signal lamp. The second relay may be configured to alternately change a polarity of a common connection between the left and right lights of the railway crossing signal lamp. The test system also includes a first switch configured to test an alarm bell of a railway crossing signal lamp, a second switch configured to enable flicker of the left lamp according to the periodic electrical pulse, and a third switch configured to enable flicker of the right lamp according to the periodic electrical pulse. The system also includes a test lead for electrically coupling the test system to a test terminal of the railway crossing signal lamp.

To provide technology to prevent accidents of collisions when wheelchair users cross railroad crossings.SOLUTION: An information provision device includes: acquisition means for acquiring speed information of a wheelchair approaching a railroad crossing barrier; calculation means for calculating the crossing time of the wheelchair at the railroad crossing based on the speed information and the crossing distance; and output means for outputting information regarding whether or not the wheelchair can cross the railroad crossing based on the crossing time and the time until the railroad crossing is blocked by the railroad crossing barrier.SELECTED DRAWING: Figure 1

To provide a useful technique for setting a detection object region regarding detection of a railroad crossing obstacle.SOLUTION: An obstacle detection system 1 detects a railroad crossing obstacle in a detection object region based on a detection result of a detection unit 11 for detecting an object on a railroad crossing. The obstacle detection system 1 includes: an apex positioning position input unit 153 for inputting an apex positioning position positioned regarding an apex position in the detection area when the detection object region is divided into a plurality of detection areas; an area setting unit 161 for setting ranges for every detection area based on the apex positioning position; and a determination unit 175 for determining a railroad crossing obstacle based on the area setting set by the area setting unit 161 and the detection result by the detection unit 11.SELECTED DRAWING: Figure 9

The embodiment of the utility model discloses an automatic protection device for a level crossing of a maintenance warehouse, which is characterized in that a control module is connected with a safety interlocking monitoring system of a bullet train station and is used for receiving a warehouse entering and exiting signal representing that a vehicle enters and exits the level crossing of the maintenance warehouse; the blocking modules are located on the two sides of a level crossing of the maintenance warehouse, connected with the control module and used for completing rod falling operation according to a first control signal output by the control module, and sensors are arranged on the blocking modules and used for collecting the in-out state of a vehicle and feeding the in-out state back to the control module; the blocking module is further used for completing rod lifting operation according to a second control signal output by the control module; the warning modules are located on the two sides of the level crossing of the maintenance warehouse, connected with the control module and used for sending out first warning information. According to the technical scheme provided by the embodiment of the utility model, physical blocking is realized through the blocking module, and the warning module is used for carrying out acousto-optic warning on an operator, so that the functions of automatic warning and whole-process protection are realized.

A method for the remote activation of railroad crossing signals includes determining a physical location of a client system. The method further includes determining, from a plurality of records of railroad crossing signals, an eligible railroad crossing signal that is within a predetermined distance of the physical location of the client system. The method further includes sending identification information about the eligible railroad crossing signal to the client system. The method further includes receiving, from the client system, an indication of a user selection to activate the eligible railroad crossing signal. The method further includes sending an activation signal to the eligible railroad crossing signal in response to receiving the indication of the user selection to activate the eligible railroad crossing signal.

The utility model relates to a prefabricated monolithic track bed for a level crossing. At present, a ballast bed of a level crossing is long in construction period, a concrete pavement panel is easy to crack, steel bars are exposed and even broken and easy to displace or move under frequent rolling of vehicles, and damaged parts of the ballast bed of the level crossing are inconvenient to replace and difficult to maintain. Two steel rails and a plurality of fasteners are arranged on the track bed, the steel rails and the fasteners are arranged in fastener grooves, and the track bed is formed by splicing more than one precast concrete track bed slab; rubber insertion strips are arranged on the two sides of the steel rail, the rubber insertion strips are fixed to the roadbed slab through rubber elastic strips, and detachable rubber cushion plates are arranged between the rubber insertion strips and the fasteners. A plurality of pieces of protection angle steel are arranged at the corner angles of the tops of the fastener grooves and on the two sides of the roadbed slab, and rubber cushion layers are arranged below the protection angle steel. The utility model can quickly construct, is not easy to damage, and is easy to maintain and repair.

The invention discloses a level crossing early warning method and system, and solves the problems of low level crossing safety early warning precision, misjudgment risk and low safety and passing efficiency in the prior art, and the method comprises the steps: carrying out the real-time monitoring of a level crossing far-end incoming train monitoring region and a level crossing site, and obtaining an incoming train signal; performing time-space correlation modeling based on a train coming signal, obtaining an image of a wheel and rail contact area, performing wheel-rail contact point feature extraction, and obtaining dynamic features of the wheel and rail contact area; according to the motion trail and the spatial constraint relation of the rails, train information and the motion direction are recognized; and when the train coming signal is matched with the identified train movement direction, a train approaching confirmation signal is generated, and train approaching early warning is carried out. The system integrates multi-source information, has a far-end early warning capability, can recheck coming vehicle information and perceive the site state of the crossing in real time so as to perform intelligent cooperative control, and improves the safety and passing efficiency of the level crossing.

Provided are a surveillance system, an information processing device, a fall detection method, and a non-transitory computer readable medium capable of improving the accuracy of detecting a person who has fallen down in a railroad crossing. A surveillance system according to the present disclosure includes a LiDAR sensor (10) that emits a plurality of laser beams with different ranges to a surveillance area, and outputs a detection signal indicating a detection status of an object by each of the laser beams, and an information processing device (20) that determines that the object has fallen down when the detection status by a laser beam with a shorter range than a predetermined range indicates that the object is detected and the number of laser beams detecting the object decreases.

Reduces the processing load on the receiving device. [Solution] Measurement information including measured values ​​of physical quantities is received from two or more level crossing physical quantity measuring devices that measure physical quantities related to the level crossing for each level crossing operation. The measured values ​​received from the two or more level crossing physical quantity measuring devices are stored together as level crossing operation information for each level crossing operation, and the level crossing operation information is transmitted to an external device.

A grade crossing control system (400, 600) includes a track circuit with a grade crossing predictor (GCP) system (40), and at least one auxiliary shunting device (420, 430) connected to the rails (20a, 20b) of the railroad track (20), wherein a railroad vehicle travelling on the railroad track (20) causes a change of impedance when entering the track circuit, wherein the at least one auxiliary shunting device (420, 430) detects a presence of the railroad vehicle travelling on the railroad track (20) and generates an auxiliary change of the impedance of the track circuit, and wherein the GCP system (40) generates grade crossing activation signals in response to the change of the impedance or the auxiliary change of the impedance of the track circuit. The auxiliary shunting device is provided to improve reliability in case of poor shunting. In a first implementation the auxiliary shunting device is an additional shunt (428) between rails and within the approaching distance (AL), wherein the shunt is switched on by a separate vehicle detector (422). In a second implementation the termination shunt (SI) is switched off by a vehicle detector (422) before the approaching distance (AL).

The application discloses a kind of crossing signal automation control method and system, the method is first according to the time that AGV normally runs through crossing determines crossing train approach notification time and train approach notification section length;Then set two train approach information collection points in approach section length, set the first approach section information collection point at the entrance of approach notification section, set the second approach section information collection point at the entrance of the emergency braking section of crossing.The application is based on the horizontal transport system and crossing signal system of automatic container terminal railway loading and unloading station, newly sets a set of automatic crossing signal system for each railway crossing, as the subsystem of terminal horizontal transport system VMS, not only enhances the safety control ability of container freight yard automatic horizontal transport system to automatic loading and unloading station traffic, to ensure crossing traffic safety, but also significantly improves the traffic efficiency of road and railway in loading and unloading station.

This makes it possible to perform tasks on laser radar easily while avoiding complexity in the system configuration. [Solution] The monitoring system of the present disclosure includes a laser radar that irradiates a monitoring area set up within a level crossing with laser light and receives reflected light from the irradiated laser light to obtain measurement results including the three-dimensional position coordinates of a plurality of measurement points within the monitoring area irradiated with laser light; a processing unit that is communicably connected to the laser radar and monitors the monitoring area by processing the measurement results; a power supply unit that is electrically connected to the processing unit and supplies power to the processing unit; and a box installed on the road surface around the monitoring area and housing at least one of the processing unit and the power supply unit. The laser radar includes a mounting portion that is attached to the box or another support installed on the road surface, and the height of the mounting portion of the laser radar is less than or equal to the height of the top of the box, with reference to the position on the road surface along the height direction perpendicular to the road surface.

The invention relates to the technical field of rail transit, in particular to a level crossing signal control safety protection method based on a random Petri network. The level crossing signal control safety protection method based on the random Petri network comprises the following steps: setting a DSPN model modeling basic rule; constructing a DSPN model adaptive to a level crossing signal system; setting a key scene and control logic of level crossing signal control, and embedding the control logic into the DSPN model to generate a control strategy; and performing simulation verification on the control strategy to obtain a feasible control strategy. According to the method, the level crossing is adapted through the uniform DSPN modeling rule, so that the modeling accuracy is improved; according to the method, the coverage degree of dangerous scenes is enhanced by setting the key scenes, differentiated control logics are pertinently set according to the key scenes, the pertinence of conflict scenes is improved, the safety of control strategies is judged through simulation verification, and the safety of level crossing signal control is improved.

This product is constructed by connecting multiple rail toys together to form a crossroads, and a barrier mechanism is incorporated into the product to raise and lower a barrier bar, allowing one vehicle to travel on one priority track to proceed first, while blocking the other vehicle from traveling on the other non-priority track. The vehicles are self-propelled, and the driving force of their wheels activates the barrier mechanism incorporated into the product by rotating rollers exposed on the track surface before and after the crossroads, or by freeing the rollers to temporarily stop the vehicle. As shown in the reference perspective view illustrating the usage state, when vehicle A on the priority track approaches the crossroads, it is temporarily stopped by the rollers of the barrier mechanism, and at the same time the rollers rotate to lower the barrier bar. After the bar is lowered, vehicle A resumes travel and passes through the crossroads, where it is temporarily stopped by the rollers exposed on the priority track surface after passing the crossroads, and at the same time the rollers rotate to raise the barrier bar. After the bar is raised, vehicle A resumes travel. On the other hand, when the barrier bar begins to descend, the rollers on the non-priority road surface located just before the intersection become free. When the other vehicle B reaches these rollers, the rollers rotate to temporarily stop it. When the barrier bar rises, the roller rotation stops, allowing vehicle B to resume its journey and pass through the intersection.

The utility model relates to a kind of railway crossing approach operation automatic safety protection device, belong to railway crossing protection technical field, this railway crossing approach operation automatic safety protection device, including road surface, the inside of road surface is built with railway track, the both sides of the road surface top close to railway track are pre-embedded and installed with automatic protection component, the top of the automatic protection component is fixedly installed with energy-saving component, the utility model is controlled by the linkage of laser sensor and automatic protection component, sound alarm, realizes the whole-process automation protection of "real-time detection-immediate early warning-active interception", when laser sensor monitors train approach, can trigger sound alarm to sound early warning synchronously, and drive servo motor to drive guardrail to descend quickly, form physical barrier, compared with the response delay of manual control in prior art, the protection action of the device is more rapid, can gain more time for road user to avoid.

An improved railway roadway crossing support system uses a foundation pile, support brackets and connecting hardware to provide vehicle traffic road support separated from the railroad ballast and track support system. The improved railway roadway crossing support system separates the roadway support system from the track support system so that the roadway support system can last longer and be repaired separately from the track support system.

ON-BOARD DEVICE FOR SECURING A LEVEL CROSSING ON A RAILWAY TRACK The invention relates to an on-board device (1) for securing a level crossing (2) on a traffic track (3) of a railway vehicle (4) comprising: a blade (7), called the safety blade, fixed at one of its ends to a drum (6) mounted rotatably, and configured to be able to be arranged according to a first mechanical configuration in which said safety blade can be wound around said drum (6), and a second mechanical configuration in which said safety blade is unwound from the drum and forms a rigid self-supporting barrier intended to secure said level crossing of the traffic track; guiding means (8.1) and shaping means (8.2) of said safety blade, configured to allow bidirectional tilting of said safety blade between the two configurations. Figure for the summary: Figure 1

This invention relates to the field of locomotive shunting safety technology, and discloses a dynamic verification system for shunting safety based on multi-source sensing and interlocking logic. The system includes: a positioning subsystem that collects real-time location information of personnel and locomotives via positioning terminals and modules and transmits it to the central control system; an equipment status sensing subsystem that deploys status acquisition units at key nodes to acquire and upload the physical status of anti-runaway devices, derailment devices, switches, and level crossings in real time; a central control system that stores shunting coupler plans and the expected status of track-related equipment and vehicle sets, and a built-in interlocking comparison module that verifies the consistency between the received physical status and the expected status to generate a comparison result; and a spatial relationship model established based on the personnel and vehicle positions, combined with the comparison result to generate linkage control commands, which are then sent to the ground signal execution unit to perform safety protection operations. This invention can improve the overall safety of the shunting safety protection system.