47 results about "Level crossing" patented technology

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 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.

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.

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.

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.

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.

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

The utility model provides an in-section level crossing protection system for railway wagon maintenance, which relates to the field of railway equipment maintenance, and comprises a tractor used for dragging a railway wagon to move on a rail, a central controller and a brake assembly are arranged in the tractor, and the central controller is connected with the brake assembly; the protection device is arranged on the road of the level crossing; the protection device further comprises at least two deceleration strips. The deceleration strip is laid on the highway pavement of the level crossing; the deceleration strip comprises a vehicle facing face facing the vehicle coming direction, and a warning lamp strip is arranged on the vehicle facing face. And the main control device is respectively connected with the warning lamp strip and the central controller. The deceleration strip is arranged to decelerate the vehicle in advance, and the warning lamp strip is arranged on the deceleration strip and is bound to be in the view of people in the vehicle, so that the people in the vehicle can easily notice the warning condition, decelerate and brake in advance.

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.

To provide an SRM guiding mechanism at a level intersection of guide rails, which can prevent accidents when a shuttle travels in a shuttle-type pallet-type automated multi-level warehouse.SOLUTION: In a shuttle-type pallet-type automated multi-level warehouse, an SRM guidance mechanism is provided in which X-axis guide rails and Y-axis guide rails are fixed by a buffer connection mechanism at a level intersection where a pair of X-axis guide rails, each of which is approximately rectangular prism-shaped and arranged in a first (X-axis) direction where a shuttle changes direction, intersect with a pair of Y-axis guide rails, each of which is approximately rectangular prism-shaped and arranged in a second (Y-axis) direction that is approximately perpendicular to the X-axis. This SRM guidance mechanism prevents accidents and noise while the shuttle is running.SELECTED DRAWING: Figure 2

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.

The invention provides a two-stage level crossing ADC circuit for SAR auxiliary work, which can realize higher bandwidth by reducing the precision of an LC ADC, improve the precision by combining with a successive approximation method in the SAR ADC, realize more than 11 significant digits in the bandwidth of 20kHz, realize two-stage level crossing detection, realize the first-stage level crossing detection, the second-stage level crossing detection, the third-stage level crossing detection, the fourth-stage level crossing detection, the fifth-stage level crossing detection, the fifth-stage level crossing detection, the fifth-stage level crossing detection, the sixth-stage level crossing detection, the fifth-stage level crossing detection, the sixth-stage level crossing detection, and the sixth-stage level crossing detection. Compared with a traditional framework, the method has the advantages that a window of second-stage level cross detection can be flexibly adjusted according to the amplitude of an input signal during second-stage level cross detection, so that the cross detection precision of any level is realized, and the detection precision is improved. The problem that effective signals are lost due to the fact that a window for first-level level detection is too wide is solved.

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.