22 results about "Rail line" patented technology

This invention discloses an intelligent early warning system and method for railway line patrol safety based on edge computing, involving intelligent safety early warning in the railway transportation field, enabling real-time controllable emergency measures to minimize the negative impact of incidents. The edge computing-based intelligent early warning system for railway line patrol safety includes: a cloud platform for an intelligent patrol system along the railway line, network infrastructure units for the intelligent patrol system along the railway line, on-site edge intelligent early warning devices and traffic control units, and IoT video sensing infrastructure units. This invention aims to deploy edge computers to continuously analyze 24-hour video streams from surveillance cameras at key locations along the railway line, process data in real-time, reduce latency, promptly identify abnormal events, take temporary emergency measures as quickly as possible, and rapidly report abnormal events, effectively shortening response time, significantly improving the efficiency of handling abnormal events in railway transportation, enhancing the accuracy of emergency measures, and ensuring railway line safety.

A measurement vehicle (100) is provided with a first laser scanner (111) and a second laser scanner (112) that are used for measuring overhead wiring, and a first slide mechanism (115) and a second slide mechanism (116). When the measurement vehicle (100) travels on a road, the first slide mechanism (115) and the second slide mechanism (116) slide in the transverse direction to fit within the width of the vehicle, thereby placing the first laser scanner (111) and the second laser scanner (112) within the width of the vehicle. When the measurement vehicle (100) moves along a railway track to measure overhead wiring, the first slide mechanism (115) and the second slide mechanism (116) spread to the outside of the width of the vehicle to place the first laser scanner (111) and the second laser scanner (112) outside the width of the vehicle.

This invention discloses a rapid prediction method for rail rolling contact fatigue damage in the field of rail damage prediction technology. The method includes establishing a three-dimensional elastoplastic wheel-rail cyclic rolling contact finite element model, improving the cyclic plastic constitutive model, and simulating the stress-strain evolution of the rail. A rail stress-strain sample library is generated through parametric sampling and batch calculation. A Physically Constrained Generative Adversarial Network (PC-GAN) is constructed, embedding physical constraints such as contact force conservation and energy consistency into the loss function to achieve rapid and high-precision mapping from operating parameters to the stress-strain field. Based on the PC-AN prediction results, cumulative damage and fatigue life are calculated using an incremental multiaxial fatigue damage model, and a damage distribution map of the entire rail line is drawn, identifying high-risk sections. This invention deeply integrates physical modeling with intelligent algorithms, achieving an order-of-magnitude improvement in rail fatigue damage assessment efficiency while ensuring prediction accuracy, providing efficient and reliable technical support for rail life assessment and maintenance decisions across the entire rail line.

The present application relates to anti-slide pile reinforcing technical field, specifically relates to a kind of large-size rectangular broken anti-slide pile reinforcing structure of operating railway line.A kind of "concave" anti-slide pile repair structure of broken pile, including prefabricated steel guard wall, formwork support, embedded part, shear I-beam, steel reinforcement framework, the present application provides a kind of large-size rectangular broken anti-slide pile reinforcing structure with simple structure, convenient construction, good effect, after the stability discrimination safety of potential sliding surface, excavate a "concave" section pile hole in defect pile body and make steel guard wall, "concave" pile inlay shear I-beam and once cast concrete forming, form the inner package of defect pile body, under the premise of guaranteeing normal operation of railway line, realize defect pile reinforcing, prevent pile body defect continue to deteriorate, eliminate landslide instability hidden danger.

The application provides a vehicle SOC optimal scheduling method for smart rail line shared charging resources, relates to the technical field of rail transit scheduling control, and solves the unreliable charging scheduling problem of multi-line smart rail vehicles in a shared charging resource environment. The method establishes a rolling horizon scheduling framework and constructs unified state information of vehicles, depots and power grids. Then, the target SOC of the vehicle executing the next task is calculated, and the corresponding charging scheduling constraint condition is constructed. A space-time coupling model of the track and charging pile resources is further constructed to represent the space-time resource occupation constraint. Based on the obtained or constructed various information, a joint optimization model is constructed and solved to synchronously decide the parking track and time period of the vehicle, the charging pile allocation, the charging time length and the charging power, generate corresponding instructions and issue them. The application significantly improves the utilization efficiency of the charging resources under the multi-line shared depot, and improves the vehicle on-line punctuality rate and the system operation capacity guarantee ability.

This invention relates to the field of rail transit safety monitoring technology, and more particularly to an artificial intelligence-based rail line safety monitoring system. The system comprises modules for multi-source sensing and acquisition, edge computing, AI feature fusion, track state discrimination, and safety early warning output. These modules are sequentially connected and communicate with each other. The multi-source sensing module collects multimodal physical quantity data along the track. After edge computing preprocessing and spatiotemporal synchronization, the feature fusion module performs feature extraction and weighted fusion. The track state discrimination module outputs state classification and damage location results based on reconstruction error comparison. The early warning module outputs discrimination results and graded early warning information. The discrimination accuracy is not lower than a preset threshold determined by statistics of normal track states. This invention achieves accurate fusion of multi-source sensing data and accurate track state discrimination, improving recognition accuracy, stability, and reliability, reducing the probability of missed detections, efficiently capturing core safety hazards, and ensuring the targeted and effective nature of track monitoring.

The present application is a kind of traditional and fast grinding combined rail corrugation grinding method, which is suitable for the field of rail corrugation engineering technology.The method comprises the following steps: special detection is carried out on the rail before grinding, a corresponding rail corrugation treatment scheme is formulated according to the special detection result, the rail profile is ground by a traditional grinding car first, the wave length below 300mm is mainly treated, the surface fatigue disease is removed, and the rail head hardening layer is eliminated;then, the fast grinding car is operated, the wave length not less than 300mm is mainly treated, and the overall smoothness of the rail line is improved;the grinding operation scheme is designed, the corrugation mode process is optimized;the grinding operation is carried out according to the designed operation scheme, and the quality acceptance after grinding is carried out.The present application realizes efficient, high-quality and high-economy treatment of rail corrugation, is suitable for both ordinary speed railway and high-speed railway, can improve the wheel-rail contact relationship, prolong the service life of the rail, and improve the safety and stability of vehicle operation.

The invention relates to a portable, modular assembly for calibrating strain gauges applied to the rail for determining vehicle-induced dynamic loads on rail lines, for both lateral and vertical loads.

A fluidized bed, and a fluidized bed-based fly ash tank car for railways. The fluidized bed is supported by three support units, two partition plates (15) and two heads, forming a large-inclination fluidized bed structure having a plurality of air chambers and a plurality of material compartments. By combining the support of fluidization cloth and vibration applied to a first vent hole (211) and second vent holes (212) on the fluidized bed, powder remaining in a tank can be fully fluidized, thereby effectively solving the problem of excessive powder remaining in the tank during unloading, significantly increasing the vehicle unloading rate. The technical problems occurring when using existing railway transportation tank cars to transport fly ash, including a relatively small volume, and a relatively high residual amount after unloading and poor transportation economy caused by the horizontal conveying distance of railway cement tank cars failing to satisfy the requirements for long-distance unloading when the distance between the ground facility and the railway line exceeds 160 m, are solved.

The present application belongs to the technical field of underground mining area treatment, and particularly relates to a railway line tunnel crossing coal mine goaf treatment method, which comprises a grouting step, and a special grouting pipe is used in the grouting step, the special grouting pipe comprises a grouting pipe body and an exhaust hose, a channel for the exhaust hose to penetrate through is formed on the pipe wall of the grouting pipe body in the axial direction, and a detection port in communication with the channel is formed on the pipe wall of the grouting pipe body, a first inflatable air bag is arranged on the exhaust hose, and an inflation passage for inflating the first inflatable air bag is formed on the pipe wall of the exhaust hose in the axial direction; a detection assembly is arranged at the detection port, the detection assembly comprises a first distance sensor and an arc-shaped block matched with the detection port, the arc-shaped block is radially slidably connected to the detection port, the arc-shaped block is fixedly connected with the first inflatable air bag, an upper groove is formed on the arc-shaped block, and the first distance sensor is fixedly installed in the upper groove. The present application can not only grout and exhaust simultaneously, but also detect whether the goaf vault is subsided during the grouting process.

The utility model relates to a kind of for large castings multiple large iron type's sand-coated molding line, it belongs to mechanical field.The utility model includes iron type and model heating furnace device, iron type and model mould drawing separation mechanism, iron type sand shooting sand-coated device, iron type and model grabbing moving mechanism, variable rail transition transfer trolley mechanism and multiple load moving platform car, iron type and model conveying rail line one from right to left respectively have iron type and model heating furnace device, iron type and model grabbing moving mechanism, iron type sand shooting sand-coated device and iron type and model mould drawing separation mechanism;Iron type and model conveying rail line two from left to right respectively have the moulding station of iron type and model and multiple load moving platform car;Two transition transfer trolley rails are respectively equipped with a variable rail transition transfer trolley mechanism;Iron type and model mould drawing separation mechanism, iron type sand shooting sand-coated device are all through type.The utility model structure is reasonable, sand-coated casting quality is good, degree of automation is high, easy to install, satisfy use demand.

The application discloses a kind of wisdom rail line network synergic carbon reduction operation optimization method, system and equipment, it is related to urban public transport energy-saving scheduling and low-carbon operation technical field, it is based on the dynamics characteristics of wisdom rail vehicle and power grid carbon emission factor to construct the quantification model of fine section level energy consumption and carbon emission, utilize deep learning network to fuse multi-source data to carry out cross-line short-time passenger flow prediction, and real-time passenger flow demand, energy consumption carbon emission index and intersection signal phase time window constraint are unified into multi-objective collaborative optimization framework, by the mixed integer linear programming solution under rolling horizon, the joint optimization and dynamic closed-loop control of dispatch interval, section operating speed and road right strategy are realized, so that on the premise of guaranteeing passenger flow transport demand and service quality, the total energy consumption and carbon emission of wisdom rail line network are significantly reduced, and the energy-saving and carbon-reducing operation goal of line network level is achieved.

The application discloses a linear rectification calculation graph visual interaction method and system, obtains plane and longitudinal section linear segmentation information based on railway line linear fitting results; creates AutoCAD entity objects of each segmentation, and draws plane and longitudinal section line graphs on an AutoCAD graph interface; detects user interaction operations for local optimization adjustment of linear, including directly inputting adjustment parameters in a linear optimization function page or directly modifying entity objects on the plane or longitudinal section line graphs drawn on the AutoCAD graph interface; in response to the interaction operations, obtains linear parameters after optimization adjustment, and automatically updates the linear fitting result graph and the plane and longitudinal section line graphs drawn on the AutoCAD graph interface according to the linear parameters after optimization adjustment. The method supports dynamic optimization adjustment of linear based on plane and longitudinal section lines, and has the advantages of visual interaction, convenient operation and good user experience.

The utility model relates to a kind of feeding cutting device.It solves the problem that the existing technology guide rail line slot cutting machine is difficult to realize the simultaneous cutting of line slot and guide rail, and cutting stability is poor.It includes processing rack, and feeding slide platform mechanism is arranged on processing rack, and pneumatic punching and cutting mechanism and pneumatic cutting mechanism are respectively arranged at the other end of feeding slide platform structure and located at the both sides of feeding slide platform mechanism, height support structure for punching and supporting the guide rail to be cut is arranged at the front and rear sides of pneumatic punching and cutting mechanism, and cutting clamping mechanism for the positioning of line slot to be cut is arranged at the front and rear sides of pneumatic cutting mechanism.The utility model has the advantages that simultaneous cutting of guide rail and line slot can be realized, operation efficiency is improved, cutting stability is better, and cutting quality is improved.

This invention belongs to the field of intelligent monitoring technology for rail transit, and more specifically, relates to a track structure health detection system and its application method. The invention includes a vehicle, a track mileage coordinate measuring device, a dynamic excitation device, and a measurement recording and data acquisition device. The excitation force generated by the dynamic excitation device acts on the track structure, which includes rails and / or sleepers, / or ballast slabs, and / or base. The measurement recording and data acquisition device measures and collects data including track mileage coordinates, excitation force, and the vibration response of the track structure near the point of application of the excitation force. This invention also provides an application method. The track structure health detection system of this invention has a simple and compact structure and good applicability; the application method of this track structure health detection system is simple, quick, accurate, and efficient to operate, and can be widely used in the daily health detection of track structures for various rail lines such as high-speed rail, subway, and heavy rail, with a very broad application prospect.

FIELD: railways.SUBSTANCE: invention relates to the field of railway automation, telemechanics and communications. A temporary device for interval control of train traffic with movable block sections on a section equipped with a numerical code automatic block system comprises temporary entry signals at the boundaries of the section, sets of automatic blocking equipment with track circuits in mounting cabinets (ABTC-MC) equipment in temporary cabinets, sets of equipment for coordination and connection to the rail line, each of which is located in a track box, a temporary connecting cable between the temporary cabinets and the track boxes. In this case, each set of ABTC-MC equipment, located in a temporary cabinet, includes two control modules, modules for generating complex signals of continuous automatic cab signalling (CACS) or single-row CACS, inter-station communication, relay polling and relay control. Moreover, the set of ABTC-MC equipment, located in the first and last temporary cabinets, additionally includes a module for controlling the signals of the input traffic lights, and the set of ABTC-MC equipment, located in the last temporary cabinet and the cabinets installed between the first and last temporary cabinets, additionally includes modules for monitoring the track circuit.EFFECT: reduction in the loss of capacity of a section on a stretch during the course of track works.1 cl, 2 dwg

The application discloses a line design parameter automatic checking method and system for linear rectification calculation, parameter configuration is carried out on railway line design specifications, and a specification configuration file is generated; linear fitting is carried out on a railway line according to a plane and a longitudinal plane respectively, and plane fitting parameters and longitudinal plane fitting parameters to be checked are acquired; project configuration information of the railway line is acquired, the specification configuration file is parsed according to the project configuration information, and plane design specifications and longitudinal plane design specifications of the railway line are acquired; and the plane fitting parameters and the longitudinal plane fitting parameters to be checked are automatically checked based on the plane design specifications and the longitudinal plane design specifications. The fitting parameters that do not meet the requirements of the line design specifications are dynamically identified to prompt a user to optimize and adjust, and the software is high in automatic degree and smooth in algorithm through a joint linear fitting module, so that the workload of manual adjustment is greatly reduced on the basis of ensuring the accuracy of the line fitting result.

This utility model discloses a preheating device for railway rail welding, belonging to the field of railway rail preheating technology. A connecting platform is connected to the vehicle frame via a connecting frame, and the auxiliary vehicle wheels are propelled by moving wheels. Two induction heaters are installed on the connecting platform, with induction heating coils at their front ends. These induction heating coils are fitted onto the railway track. Multiple power supplies are installed on the vehicle frame, providing power to the induction heaters, thereby achieving the preheating operation of the railway rail welding area. This device, through its modular design of the mobile platform, power supply unit, induction heating unit, and ingenious heat dissipation structure with multiple coil designs, achieves convenient movement and precise positioning on the railway track. It utilizes induction heating technology to efficiently, uniformly, and controllably preheat the rail welding end, making it a key process equipment for ensuring the welding quality of seamless railway tracks. Its structure is stable, heat dissipation is good, and operation is relatively convenient, making it suitable for on-site welding operations on railway lines.

1. The name of the design product: light-emitting guide wire device for railway. 2. The use of the design product: guide, warning sign or contour indication for railway line and related facilities, visual guidance formed by light-emitting guide wire, improving recognition and safety in night and low-visibility environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This utility model provides a railway track transport vehicle, relating to the field of track transport vehicles. It includes a frame with rail wheels mounted underneath; a guide rail mounted on top of the frame; an adjustment assembly including a rotation adjustment component and a height adjustment component, the rotation adjustment component being slidably mounted on the guide rail, and one end of the height adjustment component being rotatably connected to the rotation adjustment component; a main rod rotatably connected to the other end of the height adjustment component; and two clamping assemblies, each including a sleeve, a fixing component, a connecting component, and rail clamps. The sleeve is fitted onto the main rod and fixedly connected to it via the fixing component, and the rail clamps are connected to the sleeve via the connecting component. Compared to traditional track transport vehicles, this utility model offers higher transport efficiency and more stable transport, reduces worker workload, saves labor costs, and improves economic benefits.

The application discloses a concrete frog structure and a manufacturing method thereof, and relates to the technical field of track transportation, so as to solve the problems of high maintenance cost and long time consumption after the damage of a pre-embedded part. The concrete frog structure comprises a concrete sleeper body and a frog bolt, and a bolt hole is formed in the concrete sleeper body; the bolt hole comprises an upper hole section, a middle hole section and a lower hole section which are connected in sequence from top to bottom; the cross section of the upper hole section is a first rectangle; the bolt head of the frog bolt is a second rectangle in cross section, the length of the second rectangle is smaller than the length of the first rectangle and larger than the width of the first rectangle, and the width of the second rectangle is smaller than the width of the first rectangle; a rotation stopping structure is arranged in the middle hole section and is integrally formed, and is used for limiting the rotation of the bolt head of the frog bolt in the horizontal direction. The concrete frog structure and the manufacturing method thereof provided by the application are used for abandoning the traditional pre-embedded sleeve or iron seat, and improving the maintenance efficiency, the maintenance cost and the availability of the railway line.

This utility model relates to the field of railway overpass bridge technology, specifically to a pier structure between railway lines, including pile foundations, a pile cap, precast pier columns, precast cap beams, supporting pad stones, and anti-falling beam blocks. The pile cap is disposed on the pile foundation, the precast pier columns are disposed on the pile cap and connected to it by grouting sleeves, the precast cap beams are disposed on the precast pier columns and connected to them by grouting sleeves, and the supporting pad stones and anti-falling beam blocks are respectively disposed on the precast cap beams. The advantages of this utility model are: it enables precast construction of piers between railway lines, greatly reducing on-site construction time and safety risks associated with construction near existing lines. It has high value for promotion and application.