39 results about "Railway level crossing" patented technology

A crossing gate mechanism includes an electric brushless direct current (BLDC) motor with a sensing device, a crossing gate arm operated via the BLDC motor, a motor brake coupled to the BLDC motor, wherein the motor brake is configured to hold the crossing gate arm in a position, and a controller configured to control the BLDC motor, wherein the controller is configured to control the BLDC motor to raise or lower the crossing gate arm in response to a gate control signal, and wherein, when the motor brake fails to hold the crossing gate arm in the position, the controller is configured to control the BLDC motor to hold the crossing gate arm in the position instead of the motor brake.

A method of controlling a gate system located at a railroad crossing includes receiving a track selection signal indicative of a service request to disable operation of the gate system. The method further includes receiving track status data indicating operational safety conditions for a segment of a track corresponding to the gate system. The method further includes determining whether the gate system satisfies predefined safety criteria based on the track status data. The method further includes determining whether to grant the service request based on whether the gate system satisfies the predefined safety criteria. The method further includes providing the service request to a dispatch server and receiving an approval message indicating to disable the operation of the gate system. The method further includes providing, to a controller configured to operate the one or more components of the gate system, instructions indicating to disable the operation of the gate system.

The utility model provides railway crossing electric fence door equipment, and particularly relates to the technical field of railway crossing fence doors, the railway crossing electric fence door equipment comprises a ground rail, a first fence door trolley and a second fence door trolley, according to the railway crossing electric fence door equipment, before a train arrives, a worker starts a remote control switch through a remote controller so as to start a motor; the first gear and the second gear are in meshed connection, so that the rotating shaft is driven to rotate, the first fence door trolley moves, the railway crossing is blocked through movement of the first fence door trolley, during installation, the number of the second fence door trolleys can be increased according to the width of the railway crossing, and when the second fence door trolleys are connected with the first fence door trolley, installation is convenient. The two fence door trolleys can be connected only by pulling the pin rod to compress the spring, inserting the butt joint block into the connecting block, loosening the pin rod, rebounding the spring and inserting one end of the pin rod into the pin hole, and therefore the two fence door trolleys can be connected, the two second fence door trolleys can be connected through the same method, and practicability is wider.

A method for preventing a turnout conflict of a railway is applicable to a railway controller and includes: receiving a first request from a first train and a second request from a second train for using a turnout within a time period; determining whether a first distance between a current position of the first train and the turnout is equal to a second distance between a current position of the second train and the turnout; and in response to determining that the first distance is equal to the second distance, determining a priority user based on first arrival information of the first train and second arrival information of the second train, where the arrival information includes whether the train arrives at a next parking station on schedule, ahead of schedule, or behind schedule when running at a maximum running speed.

The utility model discloses a fire isolation device around a railway crossing, and relates to the technical field of railway fire protection. Comprising a fixed fireproof plate, the fixed fireproof plate comprises two pairs of first arc-shaped grooves, each pair of first arc-shaped grooves are formed in different edges of the fixed fireproof plate respectively, and the two first arc-shaped grooves in the different edges are located in the different sides of the fixed fireproof plate respectively; the railway crossing fireproof plate has the advantages that the fixed fireproof plate and the movable fireproof plates on the two sides are used in cooperation, so that a proper unfolding mode can be selected according to the actual fire behavior of a railway crossing, in the case of small fire, the railway crossing fireproof plate is unfolded into a U shape to surround a fire source, and in the case of big fire, the railway crossing fireproof plate is unfolded into a line shape to stand on the periphery of a rail; meanwhile, by means of the first sealing structure and the second sealing structure, when the movable fireproof plate is unfolded, the seam between the movable fireproof plate and the fixed fireproof plate can be sealed in sequence, flames and high-temperature smoke are prevented from leaking from the seam, the fire isolation effect is further improved, and normal operation of the railway crossing is guaranteed.

A bridge piece that can be used as a hose bridge extender or a railroad crossing. An exemplary bridge piece has a body having an undercut proximate one side, which undercut is positioned near a track when used as part of a railroad crossing.

This prevents users who are already inside a level crossing from remaining inside the crossing. [Solution] Terminal 1 is a terminal used by a user and includes a location information acquisition unit 161 that acquires terminal location information indicating the location of terminal 1, a storage unit 15 that stores level crossing location information indicating the location of a railway level crossing, a detection unit 162 that detects the alarm sound of a level crossing, and a notification unit 164 that, based on the level crossing location information stored in the storage unit 15, determines that a level crossing exists within a predetermined range from the location of terminal 1 indicated by the terminal location information acquired by the location information acquisition unit 161, and when the detection unit 162 detects an alarm sound, notifies the user.

The utility model relates to a three-dimensional towed observation system structure for detecting underlying diseases of a railway crossing, which comprises an acquisition device, a traction device, an acquisition host and a vibration excitation device, the acquisition device comprises a plurality of sensors arranged in an array mode, the sensors in the same row are connected one by one, and the traction device is connected with the acquisition host. The traction device is connected with the acquisition device so as to drag the sensors, the acquisition host is connected with the sensors so as to receive measurement data acquired by the sensors, and the excitation device is arranged on one side of the acquisition device and is used for generating vibration data acquired by the acquisition device. The device has the advantages that a three-dimensional result can be formed through one-time excitation in an array type arrangement mode, meanwhile, a pull-type operation mode is adopted, the detection efficiency can be greatly improved, the detection precision can be improved by updating an existing two-dimensional data processing mode into a three-dimensional processing mode, and the interpretation accuracy of crossing underlying diseases can be greatly improved.

The present application relates to railway crossing management technical field, specifically to an automatic control railway crossing gate, including casing, rotating seat, first gate lever and second gate lever. The rotating seat is rotatably installed on the casing. The first gate lever is installed on the rotating seat and can rotate with the rotating seat. The second gate lever and the first gate lever are connected through a transmission member, the transmission member enables the second gate lever to rotate synchronously with the first gate lever, and the second gate lever can rotate relative to the first gate lever. The automatic control railway crossing gate utilizes the relative rotation of the first gate lever and the second gate lever, disperses the inertia impact force at the moment of rotating the first gate lever to drive the second gate lever to rotate, and utilizes the compressibility of gas to absorb part of the impact force, converts the instantaneous rigid impact into flexible buffering, reduces the stress borne by the connecting part of the rotating seat and the first gate lever, and prolongs the service life of the gate.

This invention discloses an intelligent detection and real-time early warning method and system for foreign object intrusion at railway crossings, belonging to the field of railway traffic operation technology. The method includes joint calibration of a visible light camera, an infrared camera, and a millimeter-wave radar. Based on the calibrated joint sensing devices, visible light images, infrared images, and radar echo signals are collected. An edge computing device detects and locates foreign objects at railway crossings based on the visible light images, infrared images, and radar echo signals. The edge computing device then evaluates the hazard level of the foreign object and issues an early warning based on the detection results. This invention achieves accurate identification and segmentation of foreign objects in complex scenarios through multi-sensor collaboration and an improved YOLO v8 network, significantly improving detection efficiency and response speed. Based on a multi-dimensional hazard scoring model, it achieves quantitative threat assessment and graded early warning, triggering alarms only for high-risk targets, avoiding resource waste, and significantly improving the intelligent level of railway safety management.

A device for detecting an approaching train at a roadway railway crossing and providing an intervention for avoiding a collision that avoids the need for crossing site approval, installations, etc. and associated hardware and installation costs. The device may be configured as a stand-alone device, as an accessory matable to a motor vehicle (e.g., via an OBD II port), or may be fully integrated into the motor vehicle. The device includes a microphone for receiving an ambient audio signal, and processes the audio signal to determine whether a train is present. If so, the device may provide an audible and / or visual warning signal to a vehicle driver, via the device itself or via components of the motor vehicle. In certain other embodiments, the device is configured to provide a control signal causing operation of braking, engine, steering or other vehicle systems to avoid a collision.

This invention discloses an automatic alarm system and method for dedicated railway crossings, belonging to the field of dedicated railway crossing control technology. The invention includes a detection unit, a control unit, an alarm unit, and a monitoring unit. This invention solves the safety hazards of unattended crossings in the prior art. By using sensors, the automatic crossing control technology achieves advantages such as precise alarm timing and the ability to adjust the alarm time based on actual transportation needs. Utilizing the traffic flow statistics function of electronic police systems, it monitors the traffic flow at railway crossings in real time, automatically counting the number of various types of vehicles passing through at different times, and analyzing the traffic conditions at factory crossings. This provides accurate reference data for logistics scheduling and road condition optimization. Simultaneously, monitoring cameras can monitor the status of on-site equipment and pedestrians and vehicles at the crossing, thereby ensuring the status of on-site equipment and preventing personnel and vehicles from rushing across the crossing.

The application relates to the technical field of sound intelligent control, in particular to an intelligent sound system and method; a first crossing mode, a second crossing mode and a third crossing mode are obtained according to the state of a crossing sliding door; first crossing data and first moving data of the first crossing mode are identified to obtain a first abnormal area and a first abnormal coefficient, and then first orientation data are determined by combining the first abnormal area with a first distance between the crossing sliding door; second crossing data of the second crossing mode are identified to obtain a second abnormal area and a second abnormal coefficient; second orientation data are determined according to a second distance between the second abnormal area and the crossing sliding door and the second abnormal coefficient; third crossing data and second moving data of the third crossing mode are identified to obtain a third abnormal area and a third abnormal coefficient, and then third orientation data are determined by combining the third abnormal area with a third distance between the crossing sliding door. The intelligent control of the railway crossing sound equipment is realized through the orientation data of different modes.

The present application relates to the technical field of radio wave signal transmission, and specifically discloses a railway crossing intelligent safety management early warning system, which is composed of a dispatching center device, a machine room device and a crossing device, and communicates, warns and controls information through an optical network switch, and the machine room device is provided with a track interlocking host computer, and further comprises an information acquisition processing and analysis module arranged in the machine room device and connected to the track interlocking host computer through a wireless communication connection of sensors, monitors and interphones arranged in the crossing device; the railway crossing intelligent safety management early warning system is arranged between the crossing device, the machine room device and the dispatching center device, and is used in combination with a crossing protection system platform software in the dispatching center device, image algorithm training and mask positioning technology are adopted to realize the railway crossing intelligent safety management function, and the time of train running in and out of the crossing is accurately calculated.

This invention relates to the technical field of railway crossing safety warning equipment, and discloses a multi-mode yellow flashing warning signal light for railway crossings. The light includes a column, with multiple indicator lights mounted on its outer wall. A control box is fixedly mounted on the outer wall of the column, and a solar panel is fixedly mounted on the upper surface of the control box. The solar panel is fixedly connected to a converter via an external connection cable, and the converter is fixedly connected to an independent power supply via the same external connection cable. A water inlet tank is fixedly connected to the outer wall of each indicator light, and a suspended ball is installed inside the water inlet tank. Multiple limiting rods are slidably connected inside the suspended ball, and multiple magnetic blocks are fixedly connected to the upper surface of the suspended ball. By sliding a baffle, the ventilation holes inside the control box are adaptively sealed, preventing external moisture from entering the control box and damaging the internal electronic components.

To provide a railroad crossing monitoring device capable of suppressing unnecessary issuance of warning when detecting an intruding object in a railroad crossing.SOLUTION: When it is determined that an intruding object is present in a railroad crossing based on a sensor signal input by a laser sensor (S5; Yes), a control device issues warning about the presence of the intruding object to a host device (S12) if an emergency call satisfies conditions to be required (S6, S9; Yes).SELECTED DRAWING: Figure 2

The embodiment of the invention provides a track level crossing risk management and control method and device, computer equipment and a storage medium, and the method comprises the steps: monitoring whether the step change of signal data collected by a pressure sensor disposed on a track in advance occurs in real time, respectively deploying pressure sensors at the track level crossing along the track at a preset distance forwards and backwards; under the condition that the step change of the signal data occurs, first alarm information is sent to prompt pedestrians and vehicles to avoid; determining whether the corresponding train is overspeed according to the signal data; under the condition that the train is overspeed, second alarm information is sent to prompt the train to decelerate, whether the train arrives at the rail level crossing or not and the current speed of the train can be determined through real-time monitoring of the pressure sensor, and risks possibly occurring at the rail level crossing are managed and controlled in real time.

The invention discloses a railway crossing pedestrian and traffic safety detection system and equipment based on machine vision, relates to the technical field of machine vision, and aims to solve the problems of many potential safety hazards, high cost and low efficiency of traditional manual guarding. The system comprises an image acquisition module (a crossing south-north high-definition camera, the resolution is greater than or equal to 1920 * 1080), an intelligent analysis module (an AI edge server, a deployment YOLOv11 model, and the mAP is greater than or equal to 90%), a signal detection module (a pressure sensor 1000 meters away from the crossing), an alarm control module (a PLC, an audible and visual alarm and the like) and a centralized control center module, and a monitoring area is divided into a forbidden area, a dangerous area and a waiting area. When a train approaches, multi-level early warning is triggered, and when abnormity (for example, a forbidden area target stays for more than 3 seconds), second-level alarm is triggered and transmitted to a centralized control center, and a fault-tolerant mechanism is further arranged. Equipment comprises acquisition, analysis, communication and storage equipment, unattended operation of the crossing is realized, the accident rate and cost are reduced, and the traffic efficiency is improved.

The invention belongs to the technical field of rail traffic safety protection, and discloses a level crossing safety protection system and a safety protection control method, and the level crossing safety protection system comprises a fixing assembly and a protection robot. The fixing assembly comprises fixing supports and magnetic attraction warning belts, the fixing supports are symmetrically arranged on the two sides of the tail end of a level crossing on the warehousing side, and the magnetic attraction warning belts are arranged on the fixing supports; the protection robot comprises an AGV trolley, a magnetic attraction part and a detection recognition part, and the AGV trolley is arranged at a charging position in the maintenance warehouse and can move in the maintenance warehouse. During defense organization, the AGV trolley moves to the side portion of the fixing support so that the magnetic attraction piece can be connected with the magnetic attraction warning tape, and the magnetic attraction warning tape is pulled to conduct defense organization. And after the locomotive warehouse-in and warehouse-out operation is completed, the AGV trolley returns to the fixed support to enable the magnetic attraction part to be separated from the magnetic attraction warning tape and returns to the charging position along the original path. The system is high in automation degree, can automatically achieve physical blocking of the level crossing area, and guarantees the safety of personnel and vehicles.

This invention belongs to the field of simplified grade-separated bridge technology, specifically relating to a simple grade-separated bridge with a cement-steel frame structure for railway crossings. It includes a main component and two ramp components connected to the opposite side of the main component. The two ramp components are symmetrically arranged. Pedestrian staircases are provided on both opposite sides of the main component, with each of the two pedestrian staircases corresponding to one of the ramp components. This invention, by setting up the main component, ramp components, and pedestrian staircases, forms a three-dimensional crossing system for railways and highways. The bridge deck system and pedestrian surface system are separated, allowing for separate passage for vehicles and pedestrians. Vehicles cross the railway via the carriageway and connecting surface system, while pedestrians and non-motorized vehicles pass independently via the pedestrian staircases and pedestrian surface system. Side railings, enclosure railings, and central railings provide all-round safety protection, completely eliminating direct conflict between trains and road users spatially and significantly reducing the probability of railway accidents.

The invention concerns a method for controlling a vehicle which can determine if the vehicle is located on a railway crossing and depending on the vehicle's speed or driving direction generate actions. The method comprises the steps to determine if the vehicle is located on a railway crossing; determine if the vehicle speed is below a threshold or if the vehicle is reversing; based on the combined outcome of the determinations, generate a vehicle control signal and / or generate a user information output. The invention further concerns a vehicle control system and an advanced driver assistance system.

To promptly grasp the location of a railroad crossing where power fault is occurring.SOLUTION: Railroad facilities for a railroad are configured to be subjected to backup by lead batteries so as to enable a railroad crossing to operate even when a blackout occurs. However, since the lead batteries have merely a function to backup the power supply, it is uncertain from a remote site whether the blackout is continued or is recovered. Moreover, it is difficult for a maintenance worker to grasp the railroad crossing where the blackout is occurring, and such a worker must confirm the situation at a site. Hence, upon discharging of a BBU 30, a monitoring device 40 is enabled to take out information from the BBU 30 by a communication or signal line. By taking out the information from the BBU 30 in this way, the state of the BBU 30 can be confirmed from a remote site, and when there is a BBU 30 that is in a discharged state, the monitoring device 40 also can identify the installation location of such a BBU, and notify a terminal 50 of the identified installation location. This enables the maintenance worker to grasp the installation location, and to immediately go to such an installation location.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of rail transit operation management, in particular to a railway level crossing safety protection device which comprises a fixing shell, a control panel is installed on the side face of the fixing shell, a rotating rod is rotatably connected to the inner wall of the control panel, a lantern ring is fixedly connected to the surface of the rotating rod, and a first torsional spring is sleeved on the surface of the rotating rod. The two ends of the first torsional spring are fixedly connected with the lantern ring and the control panel correspondingly, a handrail is fixedly connected to the surface of the rotating rod, a stopping device is arranged in the control panel and comprises a stabilizing plate, the stabilizing plate is fixedly connected to the inner wall of the control panel, and the inner wall of the stabilizing plate is rotationally connected with the rotating rod. The end, away from the rotating rod, of the rotating rod is fixedly connected with a gear. The anti-collision device solves the problem that when a vehicle is trapped between the handrails on the two sides of the railway level crossing and backs back by pushing the handrails to rotate, the handrails are prone to scratching the surface of the vehicle due to resetting of the handrails.

The application discloses a railway crossing gate system for railway traffic management, which comprises a road surface, a pre-buried channel is formed in the outer part of the road surface, a plurality of scissor lifting rods are installed in the inner part of the pre-buried channel, an upper fixing seat is fixedly connected to the scissor lifting rod, an intermediate supporting air bag is fixedly connected to the inner bottom wall of the pre-buried channel, a plurality of intermediate supporting air bags are arranged at intervals with the plurality of scissor lifting rods, and the outer part of the intermediate supporting air bag is communicated with a gas filling structure. The gas pump continuously sends gas to the inner part of the plurality of intermediate supporting air bags, so that the intermediate supporting air bag is expanded. The scissor lifting rod is lifted up by the intermediate supporting air bag in the case of expansion. After being lifted up, the scissor lifting rod is supported at multiple points. Even in the case of losing power, the gas stored in the inner part of the intermediate supporting air bag can form a blocking gate. Compared with a hydraulic system, the overall cost and maintenance time are reduced.

The utility model discloses a railway level crossing crossing safety intelligent defense assisting device which comprises an installation base face, a retractable door assembly is arranged on the top of the installation base face and comprises a plurality of door bodies, the door bodies are fixedly connected to the top of the installation base face and symmetrically distributed on the top of the installation base face, and the retractable door assembly is arranged on the installation base face. The two sides of the door body are fixedly connected with door stacks correspondingly, the two door stacks are fixedly connected to the top of the mounting base face correspondingly, and the two door stacks are symmetrically distributed on the two sides of the door body. According to the railway level crossing crossing safety intelligent defense assisting device, a retractable door, a folding door, an alarm, an alarm lamp, a net worker and security in-place electric control system and a dispatching console are integrated, intelligence and automation of crossing safety protection are achieved, opening and closing of the door can be automatically controlled according to different safety states, and the safety of the crossing is improved. And the in-place conditions of network workers and security guards can be monitored in real time in a crossing fortification state, so that the safety and real-time response capability of a crossing area are ensured.

The present invention relates to a structural element for a level railway crossing, such as a central slab or approach made of prefabricated hydraulic concrete slabs, wherein the crossing comprises a prefabricated central concrete slab; a first prefabricated side slab; a second prefabricated side slab, each arranged parallel to the sides of the prefabricated central slab and so as to leave the railway rails clear; and at least one concrete approach, wherein the approach is so efficient that with the passage of cars and trucks the approaches do not compact in such a way as to lower several centimeters with respect to the level of the concrete slabs, and wherein it is provided with a prefabricated hydraulic concrete anti-slip structural element to prevent slippage of the approach, improve settlement and anchorage on the crossing protection ramp.

The invention discloses a railway crossing monitoring control method and system based on data fusion and intelligent decision. The method comprises the following steps: performing parameter initialization and self-inspection; the method comprises the following steps: acquiring multi-source data related to a railway crossing, and analyzing and classifying the acquired data; based on the collected multi-source data, the station yard interlocking state is monitored in real time, and the position, speed and state of a train approaching a crossing are tracked; evaluating the safety state of the crossing area, and detecting the obstacle condition; according to the train approaching condition and the crossing state evaluation result, an early warning signal is generated, and crossing equipment is controlled to execute closing operation; continuously tracking the position of the train when the train passes through the crossing, and confirming that the train completely passes through the crossing area; and after the confirmation is passed, the crossing equipment is controlled to execute opening operation, and passing is recovered. According to the method, the states of the train and the crossing are sensed by fusing multi-source data, and the whole-process closed-loop control of the crossing is automatically completed based on intelligent decision. The traffic efficiency is obviously improved, and the operation cost is reduced.