98 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 angle-adjustable railway crossing digital monitoring device comprises a connecting sleeve, a threaded splicing groove is formed in the lower end of a protective cover, a fan cover is installed on the inner wall of the threaded splicing groove in an inserted mode, and a blowing fan is installed on the inner wall of the fan cover on the left side of the lower end of the protective cover. A solar panel is embedded in the upper end of the outer wall of the protective cover, an electricity storage mechanism is installed on the inner wall of the supporting base, and fixing bolts are inserted into the edge of the inner wall of the supporting base. According to the angle-adjustable railway crossing digital monitoring device, the monitoring camera body can be driven by the first servo motor to be adjusted up and down, the protective cover can be adjusted left and right, the monitoring camera body can be conveniently adjusted up and down, adjustment is more flexible, and the monitoring effect is better. And the protective cover and the sealing cover can completely cover the monitoring camera main body, the protection effect is good, and the air draft fan and the blowing fan can form a blowing and sucking channel, so that efficient heat dissipation is facilitated.

The utility model relates to the technical field of intelligent traffic, in particular to an intelligent traffic signal lamp device at a level crossing. Comprising side weighing sensing devices installed at level crossings on the two sides of a main road, a middle weighing sensing device is installed at the white straight line in the middle of the main road, button rods are arranged on one side of the side weighing sensing devices and one side of the middle weighing sensing device respectively, and control buttons are arranged on the button rods. The side weighing sensing devices, the middle weighing sensing device and the control button are respectively connected with the control device, the control device is in signal connection with traffic lights arranged at the level crossing, and the control device controls signal conversion of the traffic lights according to signals of the weighing sensors and the control button. The control device can accurately control the signal lamp, pedestrians can safely cross the road, potential safety hazards are eliminated, if the control device does not receive signals of the weighing sensor and the control button for a long time, green light passing is continuously kept on the main road, and therefore the passing efficiency of the main road is improved.

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 concrete crossing plate suitable for a meter-gauge railway and a level crossing track structure, and the concrete crossing plate comprises a crossing plate body which is provided with two track bearing grooves; the limiting plate is connected with the side wall of the side, close to the center of the crossing plate body, of the rail bearing groove and provides a limiting effect for steel rail installation; a mounting window is further formed in the limiting plate; and the cover plate is detachably arranged at the mounting window of the limiting plate, so that when the steel rail is mounted in the rail bearing groove through a fixing piece until the rail web of the steel rail abuts against one side of the limiting plate, the rail web of the steel rail, the limiting plate and the side wall of the rail bearing groove form a drainage groove structure. According to the concrete crossing plate, the situation that the crossing plate is upwarped and uneven under the long-term effect of vehicle impact loads can be avoided, the vehicle passing safety and smoothness are guaranteed, and the maintenance workload of the crossing plate in the operation period is reduced.

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.

A railroad crossing signal test system includes a power source, a timer device configured to provide periodic electrical pulses, and first and second relays. The first relay can be configured to alternately provide the periodic electrical pulses to a left and right light of the railroad crossing signal. The second relay can be configured to alternately change a polarity of a common connection between the left light and the right light of the railroad crossing signal. The test system also includes a first switch configured to test a bell of 'the railroad crossing signal, a second switch configured to enable flashing o f the left light according to the periodic electrical pulses, and a third switch configured to enable flashing of the right light according to the periodic electrical pulses. The system also includes test leads for electrically coupling the test system to test terminals of the railroad crossing signal

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.

To allow a user to easily determine a risk of occurrence of waiting for crossing in a route search to a peripheral facility.SOLUTION: A peripheral facility search section 114 searches for facilities related to genre information located within a predetermined range from a current position of an own vehicle on the basis of the genre information of facilities designated by a user. A peripheral facility candidate display control section 115 displays candidates of facilities related to one or more pieces of hit genre information. A route search section 112 searches for a route to the respective candidates of facilities related to the one or more pieces of genre information. The route search section 112 determines a risk of closing of a crossing when an own vehicle passes a crossing by referring to an estimated time when the own vehicle passes a crossing and time table data of a station ahead and behind across the crossing when the crossing is included in a route to the candidates of facilities. The peripheral facility candidate display control section 115 displays warning information for candidates of facilities other than those with a "low" risk of closing of crossings in the route.SELECTED DRAWING: Figure 1

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.

A railroad crossing signal test system includes a power source, a timer device configured to provide periodic electrical pulses, and first and second relays. The first relay can be configured to alternately provide the periodic electrical pulses to a left and right light of the railroad crossing signal. The second relay can be configured to alternately change a polarity of a common connection between the left light and the right light of the railroad crossing signal. The test system also includes a first switch configured to test a bell of the railroad crossing signal, a second switch configured to enable flashing of the left light according to the periodic electrical pulses, and a third switch configured to enable flashing of the right light according to the periodic electrical pulses. The system also includes test leads for electrically coupling the test system to test terminals of the railroad crossing signal.

The present invention provides a road structure in which a highway passes under a railway overpass and a method for converting a level crossing into an overpass, wherein the road structure includes a railway, an unconverted highway, an underpass overpass converted from a highway-rail level crossing, and an underpass highway consisting of an underpass section and a connecting section; the underpass overpass is located below the horizontal plane of the rails and crosses the railway, and has a preset distance from the highway at the original level crossing; the underpass section of the underpass highway is located below the underpass overpass; and the connecting section of the underpass highway is connected to the unconverted highway. The present invention ensures that the construction of converting a level crossing into an overpass does not affect the normal passage of the existing level crossing, does not hinder highway transportation and public travel, and at the same time minimizes the cutting of local land, providing more space for the development of surrounding towns.