70 results about "Railway level crossing" patented technology

The invention belongs to the technical field of an ITS (intelligent traffic system), in particular to a device and method for controlling speed of a BRT (bus rapid transit) with a bus exclusive lane. The device comprises a vehicle-mounted GPS (global position system) positioning module, an RF (radio frequency) wireless transmission module, a signal period time meter, a vehicle-mounted MCU (micro control unit), a display screen and a voice prompt device; the running speed range of the BRT at green light time regions between two adjacent crossing roads is calculated through the vehicle-mounted MCU by using the device, and a driver is reminded of controlling the speed within a running speed range as so to pass a level crossing intersection smoothly within the green light running time. The green light is on all the way under the condition that the signal lamp cycle period at the crossing road is not interfered and the traveling orders of other vehicles at normal operation are not disrupted, the stand-by time at the crossing roads of the BRT is eliminated, the aim of high speed, large traffic volume and arrival on schedule of the BRT is realized, the running quality and efficiency of the BRT are optimized, the stoppage at an intersection is eliminated, environmental pollution and energy consumption caused by the set-up procedure are reduced.

The invention relates to a tramcar highway crossing signal priority control method based on concentrated differential GPS positioning. The method includes the steps that a differential correction value is obtained through calculation by means of accurate position coordinates of a GPS reference station and actual GPS positioning information; differential correction is carried out on GPS positioning information of each tramcar, so that operation data of each tramcar are obtained; a city traffic signal control system carries out highway crossing signal priority control according to the operation data of the tramcars. According to the method, investment of grade crossing tramcar detection equipment can be saved, positioning precision of the tramcars is improved, and intelligent control of tramcar grade crossing signal lamps is achieved. The method can be smoothly integrated with the new-generation city traffic signal control system, and tramcar highway crossing signal priory control is achieved; the method is high in universality and suitable for the public traffic system of any bus rapid transit mode, concentrated differential GPS technique upgrading can be carried out on the tramcars with a common GPS positioning function, and positioning precision is improved.

The present invention provides a tramcar level crossing comprehensive control system which comprises a vehicle-borne signal module, a control center module, a level crossing control module, a road traffic signal module and a signal machine. The system has the advantages that through the information exchange among the vehicle-borne signal module, the control center module, the level crossing control module, the road traffic signal module and the signal machine, the system monitors a train running track in real time, information data of various aspects is integrated and an optimal tramcar running route is calculated, the efficient operation of the system is realized, and the safety of the system is improved at the same time.

The invention discloses an embedded track plate and a track structure comprising the same. The structure comprises the embedded frame track plate, steel tracks, an under-track rubber plate, a filling material, a limiting leveling layer, a base and a track bed base layer, wherein the base is fixed on the track bed base layer; the limiting leveling layer is arranged on the base; the embedded frame track plate is arranged on the limiting leveling layer; the steel tracks are arranged in track bearing grooves of the embedded frame track plate; track gage adjusting screws and steel track compression limiters adjust positions of the steel tracks in the track bearing grooves and fix the steel tracks in the track bearing grooves; the under-track rubber plate is further arranged between the steel tracks and the track bearing grooves; the track bearing grooves are filled with the filling material. The advantage that the track structure can be derived into an on-bridge track structure, a subgrade track structure, a tunnel-inside track structure, a level crossing track structure and a curved track structure according to the difference of using sites is realized.

The invention discloses an automatic early-warning monitoring system for railway level-crossing. The automatic early-warning monitoring system comprises a crossing barrier module, an infrared detection module, a control module and a second alarm device arranged on the crossing, as well as a first vehicle sensor, a second vehicle sensor and a first alarm device which are arranged on train tracks in sequence, wherein the first vehicle sensor is used for sensing whether a train arrives at the position of the first vehicle sensor or not; the infrared detection module is used for detecting whether pedestrians are in a crossing barrier or not; the crossing barrier module is used for preventing the pedestrians from passing; the control module is used for controlling the work of the first alarm device, the second alarm device and the crossing barrier module according to sensing results of the first vehicle sensor and the second vehicle sensor. The automatic early-warning monitoring system is simple in structure and convenient to use, saves manpower, and greatly avoids the occurrence of traffic accidents.

The invention relates to a railway crossing resin pavement device, comprising rail internal pavement panels (1) and rail external pavement panels (2). The rail internal pavement panels (1) are spliced and paved on a sleeper between two rails; a plurality of rail external pavement panels (2) are spliced along a rail extending direction; and the rail internal pavement panels (1) at the same side of the rails are fastened and connected through long bolts (6); each rail external pavement panel (2) is paved on the sleeper at the outer side of the rail; fastening bolts (7) are respectively arranged between each rail external pavement panel (2) and the rails at the same side; and the rail external pavement panels (2) at the same side of the rails are fastened and connected through long bolts (6) passing through each rail external pavement panel (2) along the extending direction of the rails. The railway crossing resin pavement device has the advantages of convenience in installation and maintenance, high firmness and durability, good stability, long service life, and low using and maintenance cost. With the adoption of the railway crossing resin pavement device provided by the invention, the maintenance period of the crossing pavement can be prolonged; the normal transportation order of the railway can be ensured; and the maintenance cost can be greatly saved.

The invention discloses an automatic coordination method of tramcar track signals and road signals, which comprises the following steps: a1, collecting tramcar operation information, track signals, level crossing video monitoring signals and road traffic signals in an operation track by using an Internet of things controller, wherein related information of the controller having access to the Internet of things can realize data interaction and collaboration through the Internet of things controller; and a2, when the tramcar passes through the level crossing for a certain distance, the track signal sending out a priority request passing signal. The automatic coordination method of tramcar track signals and road signals has the advantages that the fusion and analysis of bottom data are realized through the Internet of things controller, and the efficient and automatic cooperation of tramcar track signals and road signals is realized by adopting different priority schemes according to thereal-time traffic flow information of the level crossing to ensure that the tramcar passes through the level crossing preferentially. When the tramcar is ensured to pass through the level crossing preferentially, the traffic condition of social vehicles at the level crossing is considered comprehensively, and the influence on social traffic is minimized.

A railroad crossing gate with a gate assembly. An extendible member slides within an outer member with minimal friction. When the gate is in its open position, gravity retracts the extendible member to hollow member. When the gate is in its blocking position, gravity causes the extendible member to move out of the hollow member to a final blocking position.

A multi-computer vision recognition system for a level crossing obstacle is disclosed, comprising vision image systems, a position determination system, an obstacle determination resolution system and a power unit, where vision image systems which may operate all day long operate simultaneously, information of the single vision image systems is each computed by using the position determination system, and then the computed result is introduced to the obstacle determination resolution system for determination, whereby achieving an increased obstacle recognition result and a promoted obstacle recognition accuracy.

The invention relates the interweave and Z yarn intertexture flat surface loom and weaving method, comprising steel frame(1), steel strap(2,5), palm strap(12), fistular rod gripper(11), beating-up cylinder(7), steel strap motion tip(3, 4), connecting lever(6), steel strap motion cylinder(8,9), up-down wire(18,19) on frame, and yarn hole(2.5, 2.1) on steel strap. The loom comprises the following structures: steel strap(2,5) having N+1 pieces, steel strap motion tip (3, 4) crossing the two steel straps, the up end of connecting lever(6) is connected with steel strap motion tip (3, 4), palm strap(12) having N pieces, them interval exists in steel strap(2,5), handing N palm root (5.1), handing opening used for fistular rod gripper(11) between two palm eyes(12.1). The method is Z fabric on the base of bidimensional flat surface crossing stereoscopic. The invention makes the Z fabric crosses in bidimensional level crossing stereoscopic, reducing hair.

The present invention belongs to the field of railway traffic safety equipment, and is especially one sound controlled automatic warning device and method for unattended level railway crossing. The device consists of a monitor, an integrated control module, a sound and light telltale and a power source. The warming method includes monitoring and receiving the sound of train, digitalizing treatment, comparing and judging in an electronic chip, calculating the time for the train to reach the crossing, and sending out sound and light alarm signal to show the approach of train. The present invention has high antijamming capacity and high weather resistance, and is suitable for use in field environment.

A system to transform an input signal presented from a sensor into a spatial sequence characteristic of the signal. An input module of the system is configured to divide the input signal into a sequence of signal values and present them in order of production to the following stage. A comparator module coupled to the input module configured to accept each element value of the sequence of signal values. The comparator module has a multiplicity of individual comparators that generate binary values assembled into a word of bits. The word value correlates the input sequence element value with a vector of reference values to effect a level crossing sampler. The assembled word value is utilized to encode a memory address. The system effects the conversion of a signal into an ordered collection of spatial values, which are the addresses of memory locations.

The embodiment of the invention provides a speed reducing and way giving marker control crossing early warning system and method based on vehicle infrastructure cooperation. The system comprises a road vehicle vehicle-mounted controller, a central controller and a train vehicle-mounted controller. The road vehicle vehicle-mounted controller acquires road vehicle information in real time and sendsto the central controller, receives early warning executive information transmitted by the central controller and triggers a voice early warning module as well as performs corresponding voice early warning; the train vehicle-mounted controller acquires train information in real time and sends to the central controller; and the central controller receives the road vehicle information and the traininformation and obtains early warning parameters as well as judges whether the early warning executive information is sent to the road vehicle vehicle-mounted controller according to the early warningparameters. The system provided by the embodiment of the invention publishes early warning information of a first stage by calculating an early warning position in real time, judges whether early warning information of a second stage is sent according to a position where a train is located and a speed of the train and reduces a collision risk of the train with a motor vehicle by virtue of a voiceprompt, so that security of a grade crossing is improved.

A method of evaluating safety status of a railway level crossing includes: for the railway level crossing, analyzing probable factors of accidents occurring at the railway level crossing, and organically combining the extension principle, set pair analysis and hierarchical analysis to evaluate the safety status of the railway level crossing; dividing the factors into two levels by hierarchical analysis, and performing calculating to determine weights of two levels of indexes; scoring the railway level crossing through experts, and determining safety levels of the factors on the basis of the extension principle; according to the weights of the factors and their safety levels, and analyzing the safety status of the railway level crossing under the action of the factors, according to the principle of set pair analysis.

The invention provides rail cleaning equipment, which relates to the technical field of rail maintenance and comprises a frame, two flow dividing pieces, two cleaning devices and a walking device, thetwo flow dividing pieces are arranged on the two sides of the frame correspondingly and extend towards the front lower portion and the two sides. The two cleaning devices are arranged on the two sides of the frame correspondingly, located behind the flow dividing piece and used for sweeping sundries between the two rails to the outer sides of the rails. The walking device is arranged below the frame and located between the flow dividing pieces and the cleaning devices. The invention provides the rail cleaning equipment. Stones or other sundries in the rail are guided to two sides of the railthrough the flow dividing pieces arranged at the front end of the frame; and then the cleaning devices at the rear end of the frame is used for sweeping sundries between the two rails to the outer sides of the rails, so that the sweeping efficiency of the level crossing of the railway and the road is improved, the manual operation cost is reduced, the sweeping quality of the level crossing of therailway and the road is guaranteed, and the running standard of a motor train unit passing through a rail line is met.

A crossing gate mechanism includes a swingable gate arm, a rotatable gate arm shaft fixed to the gate arm, and an electronic sensor assembly coupled to the gate arm shaft. Rotation of the gate arm shaft corresponds with swinging of the gate arm. The electronic sensor assembly senses an angular position of the gate arm shaft and transmits a position signal corresponding thereto. The electronic sensor assembly includes a driving element that is attached to the gate arm shaft to rotate therewith. the electronic sensor assembly also includes a driven element that is driven by the driving element such that rotation of the gate arm shaft causes the driven element to rotate. The electronic sensor assembly is configured to generate the position signal based on a position of the gate arm shaft.

The safe and stable rail protection device comprises a base station arranged at a railway level crossing, reinforcing rails are arranged on the two sides of the base station in the railway direction, and traffic control assemblies are arranged on the other two sides of the base station; the lower portion of the reinforcing rail is connected with the top of the sleeper through a transition connecting base body. A limiting buffering assembly attached to the side face of the bottom of the reinforcing rail is arranged between every two adjacent sleepers, the transition connecting base body is provided with an assembling groove, the reinforcing rail is embedded in the assembling groove, and the two sides of the reinforcing rail are matched with limiting protrusions on the two sides of the assembling groove respectively. The limiting buffering assembly comprises two movable plate bodies arranged side by side, two springs are arranged between the two movable plate bodies side by side, a rubber column is arranged between the two springs, one end of the rubber column is connected with one movable plate body, and the other end of the rubber column abuts against the reinforcing rail. According to the sleeper, the situation that force transmitted downwards is too concentrated can be avoided, the problem that stress on the sleeper is too large is solved, and deformation and displacement of the rail due to stress can be avoided.

The invention discloses a safe and reliable railway level crossing control system which comprises a central controller, a communication network, a crossing terminal, a vehicle-mounted terminal and a management terminal. The central controller, the crossing terminal, the vehicle-mounted terminal and the management terminal are connected through the communication network. The invention further discloses a safe and reliable railway level crossing control method. The method includes the following steps: A, performing power-on self-test on the central controller and performing safety verification on the crossing terminal and the vehicle-mounted terminal; B, inputting a scheduling job order by the management terminal; C, selecting the crossing terminal meeting conditions by the central controller; D, indicating a locomotive to run towards an appointed crossing by the vehicle-mounted terminal, if a return instruction of the crossing terminal is received, enabling the locomotive to pass the crossing, and if the return instruction of the crossing terminal is not received, warning the locomotive to take braking measures by the vehicle-mounted terminal. The safe and reliable railway level crossing control system and the safe and reliable railway level crossing control method have the advantages that safety guarantee is powerful, automation level is high, operating efficiency is improved, adverse impact on road transportation is reduced and maintenance personnel is small in workload, and can be widely applied to railway transportation.

The present aspects refer to a method for prioritizing railway crossing flows comprising: defining residence location nodes, daily-activity location nodes and level crossing nodes within a zone of influence; generating a graph comprising the residence location nodes, daily-activity location nodes and level crossing nodes and a set of edges, wherein said edges connect the residence location nodes, daily-activity location nodes and level crossing nodes, generating a connected component containing residence location nodes, daily-activity location nodes and level crossing nodes; and obtaining a vector comprising the level crossing nodes in descending order of the value assigned to each level crossing node. The present aspects also refer to a memory storage medium comprising computer-executable instructions for implementing a method for prioritizing railway crossing flows.