65 results about "Level crossing" patented technology

The invention relates to a vision-based crossing container truck deadbolt state detection method, and belongs to the technical field of image processing. The crossing container truck deadbolt state detection method based on vision comprises the steps that an image of a lock hole area is obtained through a long-focus camera on a mechanical arm, and in order to judge the opening and closing state of a lock pin, edge features of the lock hole and the lock pin need to be extracted; based on the edge strength and in combination with keyhole priori knowledge, carrying out deadbolt state optimization judgment; lock pin state confirmation, result output and linkage control are carried out, a detection result is directly linked with a crossing control system to realize safety management and control of the container truck, and if the lock pin is in a locked state, the system forbids the container truck to pass through the crossing handrail and keeps closed; the container truck lock pin state detection method based on machine vision solves the problem that in an existing container truck lock pin state detection method based on machine vision, the detection precision of Hough transform is low under complex conditions such as uneven illumination, noise interference, lock pin contamination and slight deformation, and is used for improving the accuracy of container truck lock pin state detection.

A control device associated with an autonomous vehicle receives sensor data and detects that the autonomous vehicle is approaching a railroad crossing based on the sensor data. The control device determines a target lane to travel while crossing the railroad. The target lane is a lane that has available space with at least a length of the autonomous vehicle on the other side of the railroad as opposed to a side of the railroad where the autonomous vehicle is currently traveling. The control device instructs the autonomous vehicle to travel on the target lane. The control device determines that a train is approaching the railroad crossing and waits for the train to pass the railroad crossing. The control device determines that the train has passed the railroad crossing. The control device instructs the autonomous vehicle to cross the railroad.

The invention discloses a railway asphalt crossing laying method, and relates to the technical field of railway crossings. The method comprises the steps of firstly excavating a foundation pit in a crossing area; then, concrete is poured in the foundation pit to serve as a concrete cushion layer; after the concrete cushion layer is cured, a reinforcing mesh is laid on the concrete cushion layer; then, a sleeper is laid on the reinforcing mesh; then, connecting a steel rail on the sleeper; thirdly, concrete filler is poured into the gaps between the concrete cushion layer and the reinforcing mesh and between the concrete cushion layer and the sleeper in the foundation pit till the concrete filler reaches the bottom of the steel rail; and after maintenance of the concrete filler is finished, asphalt filler is laid on the periphery of the steel rail in the foundation pit. According to the railway asphalt crossing laying method, the railway asphalt crossing obtained through the laying method has the advantages of being good in stability, high in bearing capacity and short in construction period, and the problems that an existing railway crossing is poor in stability, long in construction period or insufficient in bearing capacity are effectively solved.

The utility model relates to a concrete platform plate and a level crossing, and the concrete platform plate comprises a reinforced concrete prefabricated plate, angle steel, hook nails, a hoisting sleeve, a guide steel plate and anchoring steel bars, marking points are arranged at the two ends of the longitudinal center line of the top face of the reinforced concrete prefabricated slab, and a lifting sleeve is embedded in the side surface. The periphery of the reinforced concrete precast slab is sealed by angle steel, and the angle steel is welded to form a frame, pre-buried in the surface of the reinforced concrete precast slab, flush with the surface of the reinforced concrete precast slab and welded and fixed to the reinforced concrete precast slab through hook nails. Anchoring steel bars are pre-buried in the reinforced concrete prefabricated slab, guide steel plates are pre-buried on the side surface, and the guide steel plates are flush with the surface of the reinforced concrete prefabricated slab and fixed to the anchoring steel bars in a welded mode. The concrete platform plate designed by the utility model can be suitable for crossings with various lengths and widths, adopts a prefabricated structure, is manufactured into a high-strength platform plate in a factory, solves the problem that the traffic is seriously influenced due to long construction period of the existing cast-in-place, and realizes the purpose that the pavement and traffic are realized during the construction.

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 invention discloses a level crossing priority passing control system, which belongs to the technical field of level crossing control, and comprises a comprehensive control box, a sensing device and a road warning device, a first sensing unit and a second sensing unit which are sequentially arranged on the two sides of a level crossing in the advancing direction of a train and have a certain distance from the level crossing are connected with a comprehensive control box, so that a signal that the train is about to arrive and a signal that the train leaves are transmitted to the comprehensive control box; and the comprehensive control box controls the road warning device to work so as to control whether the train passes in the road direction or not, so that the priority passing right of the train at the level crossing is ensured, and the smoothness of the road and the safety of the train when the train passes through the level crossing are ensured to the greatest extent. According to the level crossing priority passing control system, total and intensive control over equipment and facilities at the level crossing is achieved, and the working efficiency of all equipment at the level crossing is improved.

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.

The present invention discloses a structure for connecting an asphalt pavement and a steel rail at a level crossing of a tram, which is characterized in that: it includes a steel rail (1), a rubber damping material (2), a reinforced concrete base layer (3), a secondary cast-in-place reinforced concrete base layer (3'), an L-shaped reinforced concrete pavement (4), an asphalt pavement transition section (5), an asphalt pavement (5'), and a waterproof isolation material (6); and unique structures are respectively constructed on the outer side and the inner side of the steel rail (1), which can effectively reduce the impact of the tram steel rail on the asphalt pavement within the level crossing range, and improve the edge restraint of the pavement, preventing the influence of complex traffic at the level crossing on the asphalt pavement; a part of space is reserved between the steel rail and the asphalt pavement, which is convenient for construction and compaction, ensuring the compaction degree of the edge part of the asphalt pavement.

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.

The utility model relates to the technical field of railway signal equipment, in particular to a railway early-warning crossing wireless remote alarm device which comprises a supporting rod, an installation box is fixedly connected to the top of the supporting rod, two warning lamps are fixedly connected to the front side of the installation box, an early-warning sensor is fixedly connected to the top of the installation box, and the early-warning sensor is fixedly connected to the rear side of the installation box. A threaded rod is rotationally connected to the inner side wall of the mounting box, a penetrating plate is connected to the outer side wall of the threaded rod in a threaded and sleeving mode, a movable frame is fixedly connected to one side of the penetrating plate, a sliding inserting piece is slidably connected to the interior of the movable frame, and the two ends of the sliding inserting piece penetrate through the side wall of the mounting box and are fixedly connected with fixing strips; a rubber strip is fixedly connected to the side, close to the mounting box, of the fixing strip, and pulleys are rotationally connected to the two sides of the sliding inserting piece. By means of the technical scheme, the problems that dust is prone to adhering to the surface of a warning lamp in the prior art, dust particles can block light emitted by the warning lamp, and normal use of the warning lamp is affected are solved.

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.

In an embodiment, a system for detection of trains at railroad crossings is provided. The system comprises a field-deployed detection and reporting device comprising a microphone, a communication module, a microprocessor, and an application. When executed on the microprocessor, the application receives data describing sounds captured by the microphone and identifies frequencies of a first received sound. The application also transmits, based on the identified frequencies and a formula, a first message via the communication module. The first received sound is generated by a warning bell sounded at the railroad crossing. The first message is received by a backend server that issues a first broadcast based on receipt of the first message. The application further determines that the first received sound discontinues. Based on the determination, the application sends a second message via the module to the backend server which issues a second broadcast that the crossing is reopened.

Systems, methods, and other embodiments described herein relate to improving the communication of a railroad crossing warning. In one embodiment, a method includes identifying a railroad crossing in a path of a road user. The method further includes in response to determining that a train is approaching the road user at the railroad crossing, determining whether a warning mechanism of the railroad crossing satisfies a crossing threshold that is based, at least in part, on a safety condition of the warning mechanism. Moreover, the method includes controlling a display of the road user to output a virtual railroad crossing bar on the display according to the safety condition responsive to determining that the warning mechanism satisfies the crossing threshold.

The utility model provides a track signal lamp, the track signal lamp comprises a track terrain module, a circuit system and a crossing signal device, the track terrain module is connected with a track, and then a working scene of a railway crossing signal lamp (also called as a railway crossing protection signal device) can be simulated. On the basis, the circuit system is arranged at the bottom of the track terrain module and connected with the track, the track terrain module is provided with an electrical interface, the circuit system is electrically connected with the electrical interface, and the crossing signal equipment is electrically connected with the electrical interface, so that the circuit system can supply power to the electrical interface after receiving a signal; therefore, the circuit system can control the crossing signal equipment based on the position of the train model, simulation of different traffic scenes and special conditions is facilitated, the change and response of the track signal lamp can be visually displayed, the demonstration effect is improved, and the demonstration efficiency is improved. And the interactivity and interestingness of the O-proportion train model are improved.

A systems and method is provided for collecting, storing, and analyzing the status and operation of a railroad grade level crossing, and generating reports and alarms in response to status and current or predicted failures. The system includes a telemetry unit positioned at a railroad grade crossing, a data collector, and report generation engines.

A warning light sensor system for a railroad crossing including a warning light includes a process-based device configured to analyze received real time images of the warning light, determine, whether the crossing warning system is operating properly; and communicate a confirmation that the crossing warning system is operating properly prior to the train arriving at the railroad crossing.

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.

Railroad crossing object detection systems and methods include radar sensors detecting object presence, speed and heading in a different manner. A controller compares signal outputs from the different sensors to provide traffic control preemption signals and self-diagnose sensor problems. The sensor devices may include an ultra-wideband (UWB) impulse radar device and at least one reflective device providing failsafe object presence detection and object non-presence detection in redundant fashion with at least a second sensor device such as a side-fired radar device.

Method (300) and device for operating a vehicle, comprising a step of determining (310) an approach of the vehicle to a level crossing, a step of receiving (320) train movement data representing train movements in an area of ​​the level crossing, a step of integrating (330) the train movements into a digital map encompassed by the vehicle, a step of determining (340) a hazard potential for the vehicle, depending on the train movements, using the digital map, and a step of operating (350) the vehicle, depending on the hazard potential.

The subject invention relates to improving traffic safety at railway crossings by using traffic light signals to inform and warn road users of approaching a free and / or occupied railway crossing in advance. The new information method is based on increasing the information content for road vehicle drivers by providing and repeating light information earlier, which is achieved by introducing new traffic light signs in the railway crossing zone at standardized distances. The position of the signs represents the position of the standard vertical traffic signal used to secure the railway crossing. The production of traffic light signs is based on the use of standard materials, dimensions and other standard solutions.

A system for visual inspection of signal lights at a railroad crossing includes a data source comprising a stream of images, the stream of images including images of signal lights at a railroad crossing, an inspection module configured via computer executable instructions to receive the stream of images, detect signal lights and light instances in the stream of images, encode global information relevant to ambient luminosity and return a first feature vector, encode patch information of luminosity of detected signal lights and return a second feature vector, concatenate the first feature vector with the second feature vector and return a concatenated feature vector, and decode the concatenated feature vector and provide status of the signal lights.

A gearbox anti-drooping auxiliary device for replacing the driving wheelset of a train, comprising a gearbox support part and driving wheelset support parts fixedly arranged at both ends of the gearbox support part. The gearbox support part comprises: a channel steel cross beam and a gearbox adjustment and lifting assembly arranged on the channel steel cross beam. The gearbox adjustment and lifting assembly is used to position and lift the gearbox to prevent the gearbox from prolapsing. The driving wheelset support part comprises: wheels mounting brackets fixedly connected to both ends of the channel steel cross beam and a track wheel assembly mounted on the wheels mounting brackets. The track wheel assembly is used to drive the driving wheelset of the train to move on the maintenance track. The present invention can hold the gearbox when replacing the driving wheelset of the train, ensuring that the head of the gearbox does not droop and does not rub against the ground during the movement of the driving wheelset, improving the maintenance efficiency, reducing the manpower, and being applicable to level crossings and tracks with trenches, with a wide range of applications.

The prestressed concrete surface layer structure of the cross-shaped level crossing comprises an assembly type prestressed concrete surface layer and a cast-in-place self-stress surface layer, and the assembly type prestressed concrete surface layer is composed of a pre-tensioning plate; the crossroad is characterized in that the cast-in-place self-stress surface layer is arranged at the crossing part of the crossroad, and the assembly type prestressed concrete surface layer is arranged at the non-crossing part of the crossroad; the edge pre-tensioning plate is connected with the inner side pre-tensioning plate through a transverse self-stress seam, and a temperature seam is formed between the surface layer left center plate and the surface layer right center plate; and anchoring ribs welded with the self-stress transverse ribs and the self-stress longitudinal ribs are anchored at the outer ends of the edge pre-tensioning plates. According to the prestressed concrete surface layer structure of the cross-shaped level crossing, the expansive concrete in the cast-in-place self-stress surface layer is restrained by the self-stress transverse bars and the self-stress longitudinal bars in a two-way mode to generate two-way self-stress and can bear tensile stress in all directions, and the durability of a road surface of the cross-shaped level crossing is improved.

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.