284 results about "Railway line" patented technology

A cable trough for installing cables alongside a railway line or other right of way is described. The cable trough is constructed using longitudinally oriented reinforcing fibers coated with polymeric resin that generally aligns the reinforcing fibers with the length of the cable trough. One or more connector clips may be used to secure respective portions of the cable trough to one another. The cable trough is provided with a cover that may be removably secured to an elongate channel to protect the cables housed within the cable trough. Elbows, corners, tees, and other connectors may be provided to run the cable trough in any desired direction. A method of installing cables in a cable trough is also described.

The invention provides a railway anomaly monitoring method and system based on unmanned aerial vehicle routing inspection, and relates to the field of data processing, the method comprises the following steps: obtaining railway routing inspection data collected by an unmanned aerial vehicle, extracting a monitoring instruction in the railway routing inspection data, carrying out parameter analysis on the monitoring instruction, and obtaining an anomaly monitoring parameter set corresponding to the monitoring instruction; performing spatio-temporal feature extraction processing on the plurality of spatio-temporal frame sequences, generating a spatial feature vector and a time feature vector of each spatio-temporal frame sequence, screening out at least one abnormal region from the plurality of spatio-temporal frame sequences based on a dynamic matching relationship between the abnormal monitoring parameter set and the spatial feature vector and the time feature vector, and performing abnormal region extraction processing on the abnormal region. And calling an anomaly identification model to perform conjoint analysis on the spatial-temporal characteristics of the abnormal region, generating a railway anomaly monitoring result, and mapping the railway anomaly monitoring result to a physical coordinate system of the railway line to generate an anomaly positioning report. According to the invention, the accuracy and intelligent decision of railway inspection anomaly detection can be improved.

The invention discloses a thunder-vision fusion multi-sensor collaborative sensing system along a railway and an installation and calibration method, and belongs to the technical field of intelligent traffic and environment sensing. Aiming at the problems of low target detection precision, poor multi-source data fusion timeliness, dependence on manpower on sensor installation and calibration and the like in a complex scene along a railway, the system provides an innovative architecture of'layered sensing-dynamic fusion-autonomous calibration '. The multi-modal sensor array of a laser radar, a millimeter-wave radar, a visible light camera and a thermal infrared imager is deployed; autonomous optimization of sensor pose parameters is realized by using track geometric constraint and a deep learning model; an edge computing node and a cloud collaboration platform are integrated, and real-time target tracking, intrusion early warning and equipment state diagnosis are supported. Experiments show that the target detection accuracy rate of the system is greater than or equal to 98.5%, the false alarm rate is less than or equal to 0.3% and the self-calibration error of sensor installation parameters is less than 0.05 degree in the scenes of rain and fog, night, high-speed movement and the like, which are improved by more than 40% compared with the traditional scheme.

The invention discloses a shared lock catch steel pipe pile cofferdam close to a bridge bearing platform under a high-speed railway line and a construction method, and the shared lock catch steel pipe pile cofferdam close to the bridge bearing platform under the high-speed railway line comprises a first lock catch steel pipe pile, a second lock catch steel pipe pile, a third lock catch steel pipe pile and a fourth lock catch steel pipe pile, the third lock catch steel pipe pile and the fourth lock catch steel pipe pile are connected with the first lock catch steel pipe pile and the second lock catch steel pipe pile. The lock catch steel pipe pile cofferdam is adopted to replace a double-wall steel cofferdam, the problems that the clear distance close to a bridge bearing platform is too small, and no space exists for independently arranging an overwater steel cofferdam are solved, and under the condition that two projects are both control projects and need to be constructed synchronously, a row of shared lock catch steel pipe piles are inserted in the middle to be used in the construction stage of the two bridge bearing platforms at the same time; an independent and separated cofferdam stress system is formed, the condition of synchronous construction of the two newly-built bridges is guaranteed, the using number of the steel pipe pile cofferdams is reduced, and material consumption is reduced.

The invention relates to a geoid-like model processing method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: dividing an area along a railway into a plurality of elevation reference areas according to terrain information and railway information of the area along the railway; according to the gravity data of each elevation reference region, obtaining elevation abnormal data of each elevation reference region; based on the elevation abnormal data of each elevation reference region, performing whole-line modeling processing on each elevation reference region to obtain a whole-line quasi-geoid model of the region along the railway; carrying out zoning modeling processing or zoning modeling processing on each elevation reference region on the basis of a full-line geoid-like model to obtain a target geoid-like model of each elevation reference region; the model precision of the target geoid-like model is higher than that of the full-line geoid-like model. By adopting the method, the model precision of the target geoid model of the region along the railway can be improved.

The invention discloses a railway line selection effect evaluation method and system based on artificial intelligence, and belongs to the technical field of railway intelligent line selection, and the method comprises the steps of data preparation, toughness feature extraction, climate toughness scoring and multi-dimensional effect evaluation. According to the method, line climate toughness feature extraction based on multi-source space-time toughness is adopted, line structure features, environmental conditions and climate disturbance are comprehensively analyzed, and the stability and adaptability of different line sections under different space-time scales are quantified, so that the overall toughness level of the line can be reflected more accurately; climate toughness scoring combining multiple disaster risks and dynamic correction is adopted, multiple disaster types and interaction influences thereof can be comprehensively considered in the line selection process, key fragile sections and potential risk points are identified through dynamic correction, and therefore a scientific basis is provided for line scheme comparison and optimization.

The invention discloses a rapid reinforcing device for a steel pipe pile close to a railway line slope, which comprises a vertical transmission rail mounted on a working vehicle, a walking mechanism capable of walking along the vertical direction is mounted on the vertical transmission rail, and the walking mechanism is connected with an assembly seat through a transverse telescopic arm; a slurry distribution mechanism, a drilling position adjusting mechanism and a drilling transmission mechanism are sequentially arranged on the assembling base downwards in the vertical direction, a driving mechanism is installed between the assembling base and the drilling transmission mechanism, the drilling transmission mechanism is provided with a plurality of output units, a clamping ring cutting mechanism is installed on each output unit, and the upper end of a steel pipe pile is clamped in the clamping ring cutting mechanism. According to the method, the soil body around the side slope close to the railway line can be integrally reinforced, the overall stability of the side slope is effectively improved, the preparation conditions of a construction site can be greatly reduced, the occupied road surface is reduced, the influence of construction on the surrounding environment is reduced, and the reinforcing efficiency is improved. The method is suitable for reinforcing the side slope of the road with the gravel-cobble soil filled roadbed.

The invention relates to a subway track line intelligent optimization method based on a hierarchical archiving differential evolution algorithm. The method comprises the following steps: obtaining an actual topographic change curve through topographic relief characteristics of a railway line design plane so as to construct a standardized coordinate axis model; obtaining a terrain height change sequence by discretizing the terrain height change of the coordinate axis model; determining technical limitation conditions of the rail according to a railway line design specification; selecting a construction type according to a construction rule and terrain information; calculating to obtain the total construction cost; according to the terrain height change sequence and the technical limitation condition of the rail, establishing a Ground object and preprocessing the Ground object; and an HAPI-DE algorithm model is established, and the Ground object is sent into the algorithm model to be evolved so as to obtain an optimal solution railway route and the lowest cost. According to the method, the optimal railway longitudinal section design scheme which is lower in cost, more accurate and more reliable can be obtained.

The embodiment of the invention provides a method and system for surveying and mapping the area of a peripheral area along a railway based on an unmanned aerial vehicle, and belongs to the technical field of area surveying and mapping. The method comprises the following steps: performing coordinate registration processing on laser point cloud data collected by an unmanned aerial vehicle and a railway red line vector diagram to obtain standard point cloud data and a red line reference boundary under a unified coordinate system; based on the standard point cloud data and the red line reference boundary, an edge point set of an actual occupied area outside the red line is extracted, and a closed boundary contour is obtained through fitting; based on the boundary contour obtained through fitting, unified plane projection and subdivision processing is executed, and a two-dimensional measurement grid used for area determination is generated; and based on the two-dimensional measurement grid, accumulating the area of each unit, and summarizing and outputting the total area and corresponding boundary coordinates of the red line external expansion region. According to the scheme, high-precision and full-process area surveying and mapping of the non-standard occupied area along the railway are realized, and the objectivity of boundary judgment and the stability of an area extraction result are improved.

This invention discloses a method and system for dust suppression during the loading of dry bulk cargo on railway lines. The method includes: if loading operations are detected to have commenced on the main railway line, determining the area to be suppressed based on on-site loading data; acquiring environmental information corresponding to the area to be suppressed, including wind direction information; determining the items to be loaded based on the on-site loading data, and determining the corresponding moisture content of the items; determining a control strategy for a spray system based on the wind direction information, moisture content, and the area to be suppressed, and adjusting the operating parameters of the spray system based on the control strategy to suppress dust during the loading process. This invention achieves precise control of dust pollution during railway loading, overcoming the limitations of traditional fixed dust suppression methods, and significantly improving pollution prevention efficiency and resource utilization effectiveness.

The utility model relates to the technical field of railway line measurement, in particular to a double-block type ballastless track detection device which comprises a mounting plate and a prism assembly mounted in the middle of the upper plate surface of the mounting plate, clamping assemblies used for clamping sleeper grooves are arranged at two ends of the mounting plate, and the two clamping assemblies are arranged side by side at intervals and are rotationally and symmetrically arranged; the clamping assembly comprises a door frame plate, the door frame plate comprises a cross arm part fixed to the lower plate face of the corresponding end of the installation plate and two vertical supporting parts arranged at the two ends of the cross arm part respectively, and a sliding rod capable of being telescopically positioned in the direction of the cross arm part is installed at the bottom end of one vertical supporting part. A first supporting piece and a second supporting piece which are used for supporting the two side walls of the sleeper groove in an abutting mode are fixed to the outer end of the sliding rod and the outer side of the bottom end of the other vertical supporting part respectively. The detection device can efficiently detect the sleeper in a prism detection mode.

This invention provides a static parameter measurement device for overhead contact lines based on an unmanned aerial vehicle (UAV) platform, belonging to the field of railway overhead contact line inspection technology. It includes a UAV body with a laser measuring device mounted on its top and a telescopic support mounted on its side. The UAV body includes a processor chip, and the laser measuring device is connected to the processor chip. After takeoff, the telescopic support secures the UAV, and the laser measuring device measures the overhead contact line. The measured data is transmitted in real time to the processor chip for processing and analysis, ultimately achieving high-precision measurement of the static parameters of the overhead contact line. By linking the top-mounted laser measuring device with the processor chip, it is possible to conduct inspections and parameter measurements on conventional railway lines outside of designated maintenance windows, achieving high-precision, non-contact distance or terrain measurement, suitable for complex environments, and significantly improving data acquisition efficiency.

The present application relates to railway line detection and flaw detection technical field, especially to a kind of railway line automation comprehensive detection and flaw detection equipment, including two rails and flaw detection car, still including C-shaped mounting plate, buffer assembly, waist detection mechanism and bottom detection mechanism, the inside of the C-shaped mounting plate is provided with head detection assembly, first fixed rod is transversely provided in the C-shaped mounting plate, the both ends of the first fixed rod are slidably connected with fixed sleeve, and the end of the two fixed sleeves away from each other is respectively provided with balance assembly.The advantages are that different detection components are set for different detection areas, so that the rail detection of different parts is more efficient and accurate, and different types of defects can be detected, the detection cycle is shortened, the head detection assembly maintains dynamic balance state by the cooperation of balance assembly and buffer assembly, effectively protects the probe from vibration damage, and improves the adaptability of probe to rail change and the stability of probe detection.

The invention discloses a digital railway network multi-source topological data comparison method, which comprises the following steps: S1, constructing a railway operation topological network based on train operation data to form a time sequence topological reference for reflecting the actual use state of a railway network; s2, constructing a railway physical topology network based on the infrastructure related data, wherein the railway physical topology network is used for describing railway lines, stations and engineering connection relations thereof; and S3, performing topology comparison and consistency analysis between the railway operation topology network and the railway physical topology network to form a topology check result. According to the method, the specific linear space-time continuity constraint of the railway network is introduced, the railway operation topology is constructed as the space-time reference, and the railway operation topology is gradually compared and reasoned with the physical topology data with heterogeneous sources, so that the automatic consistency analysis and checking among the multi-source topology data are realized, and the problem that the consistency of the multi-source topology data can only be checked manually item by item is solved. And large-scale and continuously updated engineering requirements are difficult to meet.

This application discloses a method, apparatus, device, and storage medium for correcting a line GIS model. The method involves acquiring ledger data of the line GIS model, including line data and primary equipment data. Based on this data, the effective coverage rate of the corresponding line in the GIS model is calculated, and a GIS single-line map of the effectively covered lines is created to analyze the line topology and effective coverage rate. Then, based on the effective coverage rate and the GIS single-line map, abnormal equipment data in the line GIS model is located. Using the effective coverage rate as an anomaly detection index, multiple abnormal lines in the line GIS model are detected simultaneously, effectively improving the efficiency of abnormal line detection. Furthermore, the GIS single-line map is used to quickly locate abnormal equipment in abnormal lines based on the line topology, effectively improving the efficiency of abnormal equipment location. Finally, the abnormal equipment data is corrected, thereby effectively improving the correction efficiency of the line GIS model.

The present application relates to a kind of railway widening roadbed through active fault method and system, belong to traffic engineering technical field, the method utilizes active fault rotation direction, average annual horizontal sliding rate and its included angle with the direction of railway line as parameter, calculates the displacement amount along the vertical line direction within the design annual use limit of railway, multiplied by design safety factor, obtains roadbed design widening value.The present application provides control basis for the determination of roadbed widening value when railway passes through active fault zone in the form of roadbed, guarantees the economy and safety of railway operation.

The invention provides a double-end internal combustion bolt wrench with two interchangeable arms and an adjustable distance, and belongs to the technical field of railway line maintenance and repair tools. According to the double-end internal combustion bolt wrench with the two interchangeable arms and the adjustable distance, power of the speed change device is transmitted to the transmission shaft through the swing arm, the inner end of the swing arm is hinged to the speed change device, the outer end of the swing arm is connected with the transmission shaft, and when the wrench is used, an operator can pull the swing arm according to the specific using environment and working condition, and the wrench is convenient to operate. The swing arm drives the transmission shaft connected to the outer end of the swing arm to move to a working position, and then drives the position of the sleeve installed on the transmission shaft to move, so that the function of adjusting the positions of the two sleeves on the double-end internal combustion bolt wrench is achieved. The internal combustion bolt wrench with the two interchangeable arms and the adjustable distance can adapt to position changes of bolts and nuts on the inner side and the outer side of a rail. Meanwhile, the two swing arms are hinged to the left side and the right side of the speed change device respectively, the two swing arms can be exchanged, and production and maintenance cost is reduced.

The invention provides a method and a system for quickly positioning railway intrusion personnel based on visual estimation, belongs to the technical field of target identification, applies an advanced monocular depth estimation and positioning method to rail transit, and solves the potential safety hazard of train operation caused by insufficient personnel intrusion position along the current railway. According to a pre-constructed target prior mapping relation between image pixel coordinates and actual geographic coordinates, after an invader is detected, the pixel coordinates of the invader are directly mapped to corresponding actual longitude and latitude positions; and if the target prior mapping information does not exist, calling a coordinate conversion algorithm according to the pixel coordinates to realize conversion from the pixel coordinates to latitude and longitude coordinates, realizing dynamic conversion from an image plane to a global geographic coordinate system, and obtaining actual latitude and longitude positioning of personnel invasion. According to the invention, high-precision positioning can be carried out on the invading personnel in the rail transit scene only by means of the monocular camera, so that the problem that personnel invasion is difficult to check in an existing system is solved, and the safe operation level of a railway is improved.

The present application belongs to the technical field of box girder support, and particularly relates to a railway box girder support system installation and disassembly method adjacent to an existing high-speed railway. In the installation and disassembly method, the support system is arranged between two adjacent pier columns and away from the high-speed railway line, so that the support system does not affect the operation of the existing high-speed railway line. A disc-type support is erected on the side of the two adjacent pier columns away from the existing high-speed railway line, a box girder cast-in-place formwork is erected on the disc-type support, the pouring of the concrete box girder is completed, after the cast-in-place box girder is completed, the box girder cast-in-place formwork on the cast-in-place support system is removed, the cast-in-place box girder is driven by the slide shoe to slide from the top of the disc-type support to the top of the pier column, then the lifting mechanism falls, and the cast-in-place box girder falls on the top of the pier column. The construction of erecting the box girder on the pier column adjacent to the existing high-speed railway line is completed, and the erection of the box girder and the operation of the existing high-speed railway line do not affect each other, which not only improves the construction efficiency, but also has less impact on the existing high-speed railway line.

This application provides a method for track grinding and sludge removal, comprising: a grinding vehicle and a sludge suction vehicle moving to the work area; the grinding vehicle lowering its grinding device and reciprocating between the start and end points of the work area to perform grinding operations; when the grinding vehicle reaches the end where the sludge suction vehicle is located, the sludge suction vehicle lowers its waste collection device; when the grinding vehicle turns back from the end where the sludge suction vehicle is located, the sludge suction vehicle follows the grinding vehicle to perform sludge suction operations. Using the above-mentioned track grinding and sludge removal method can effectively reduce maintenance time during track closures, improve grinding efficiency, achieve fully automated grinding and cleaning, reduce cleaning personnel and labor intensity, and efficiently absorb grinding iron powder, dust, and other contaminants, protecting the natural environment and human health.

The invention discloses a chain topology data link selection method based on Internet of Things equipment along a railway, which comprises the following steps: establishing a chain topology structure network, carrying out initialization setting on nodes in the chain network, and storing information of all other nodes in a signal coverage range of the nodes by the nodes; after monitoring the message, the node firstly judges whether the node is a target node for sending the message according to a target address in the message, and if so, the node analyzes and responds to the message content; if the node itself is not the target node but needs to forward the message, skipping step-by-step transmission and trying to directly establish communication with the target node to forward the message; and if the direct forwarding is unsuccessful, trying to obtain the optimal routing node, and forwarding the message to the target node through the routing node. Through the method provided by the invention, the communication stability and reliability of the whole link can be improved.

A railway vehicle monitoring and signaling system 30 includes trackside devices (e.g. track circuits 36 and signals Sx, Sy) for reporting Safety Integrity Level 2 (SIL2) data regarding the presence or

The invention relates to the field of comprehensive railways, in particular to a railway cable key point positioning device and method.The device comprises a cable, a cable identifier and a positioning terminal, the cable is arranged in a soil body, the cable is sleeved with a current transformer, and the current transformer is used for sensing a cable current magnetic field to generate electric energy; the cable identifier is arranged on the ground, and the cable identifier is arranged right above the cable; the positioning terminal is arranged in the cable identifier and comprises a sensor module, a central processing module, a communication module and a power management module, the sensor module is electrically connected with the central processing module, the communication module is electrically connected with the central processing module, and the power management module is used for supplying power to the central processing module, the sensor module and the communication module. According to the invention, the problems that the cable is damaged when buried and laid, the alarm is difficult to receive in time, the optimal maintenance opportunity is missed and the railway operation safety is seriously influenced are solved, the accuracy of the cable positioning position is ensured, and the reliability of four-electric railway facilities is improved.

The invention discloses a railway line environment multi-modal image target extraction method, which comprises the following steps of S1, acquiring a visible light image along a railway through an unmanned aerial vehicle, and performing three-dimensional field reconstruction based on NeRF to obtain a three-dimensional scene; s2, defining a target visibility evaluation function, and finding a visual angle enabling the target visibility evaluation function to be maximum; s2, using NeRF to render the image under the visual angle in the three-dimensional scene obtained in the step S1, and re-projecting a rendering result as an optimal visual angle image under the visual angle; s3, preprocessing data of different modes from different platforms, then converting the data and the optimal view angle image obtained in the S2 into a unified coordinate system, and obtaining a multi-mode coarse registration relation through affine transformation; and S4, target area selection and target extraction are carried out based on the improved Ground DINO network. The method effectively improves the reliability and robustness of a target detection result in a complex railway line scene.

The invention relates to a railway line side airwave active noise reduction system which comprises a multi-mode sensing module, a control module and an execution module which are deployed on two transverse sides of a noise reduction area line. The multi-mode sensing module comprises a microphone array and a laser velocimeter and is used for collecting noise signals and train speed signals and sending the noise signals and the train speed signals to the control module. The control module receives the noise signal and the train speed signal, obtains a self-adaptive anti-phase sound wave signal through calculation processing, converts the self-adaptive anti-phase sound wave signal into driving information and sends the driving information to the execution module; the execution module comprises airwave generating devices which are arranged in an array mode, and after the driving information is received, airwaves are sent out according to the power indication of the driving information. According to the invention, air waves with the same frequency and opposite phase as train noise are actively emitted, opposite consumption of low-frequency noise energy is realized, the problem that a traditional sound barrier is poor in low-frequency noise reduction effect is solved, frequency tracking and adjustment are realized, and accurate matching of opposite-phase sound waves and noise frequencies is ensured.

The invention provides a non-communication train safety protection method and device, and aims to solve the problem of low line resource utilization rate caused by fixed section blocking in the prior art and realize dynamic and accurate setting of a protection area of a non-communication train so as to effectively improve the utilization efficiency of a railway line. The non-communication train safety protection method comprises the steps that when a non-communication train loses communication, a train position report and train nearest relevant transponder information in a radio block center where the non-communication train is located are obtained; obtaining the route information of the non-communication train, and determining the current position information of the non-communication train based on the configuration information in the nearest relevant transponder information of the train; according to the route information and the current position information, determining protection subareas where a train estimation front end and a train protection rear end of the non-communication train are located; and when the protection subareas where the train estimation front end and the train protection rear end are located are the same protection subarea, the protection subarea where the train estimation front end is located is set as a protection area of a non-communication train.

The invention discloses an optical fiber distributed foreign matter monitoring system along a railway and a method of the optical fiber distributed foreign matter monitoring system, and belongs to the technical field of railway safety detection. The optical fibers are distributed at intervals, are in transmission connection with one another through optical fibers and cables, and are mounted on a protective structure net through optical fiber composite conduction assemblies to obtain foreign matter sensing and positioning data in real time; a plurality of radar-video all-in-one machines configured to collect radar video fusion data; the data monitoring center is in signal connection with the optical fiber composite sensor and the radar-video all-in-one machine and is used for receiving and acquiring data, detecting and analyzing the data and calling a pre-stored foreign matter monitoring and early warning scheme; and the inspection user terminal is in signal connection with the data monitoring center. According to the optical fiber distributed foreign matter monitoring system along the railway and the method thereof disclosed by the invention, real-time monitoring and early warning of foreign matter invasion events along the railway are realized.

The invention discloses a perimeter intrusion monitoring method and system for a tunnel portal high-speed rail line, and relates to the technical field of intelligent monitoring, and the method comprises the steps: obtaining a line tunnel portal sequence driving data set according to a high-speed rail line advancing tunnel portal sequence of a sorted target high-speed rail line, and carrying out the intrusion risk recognition, obtaining a tunnel portal sequence intrusion risk coefficient set; meanwhile, interference analysis is carried out on a high-speed rail line advancing tunnel portal sequence, a tunnel portal sequence interference factor set is obtained, a tunnel portal sequence intrusion risk coefficient set is corrected, and a preset video data capture frequency is determined based on the corrected tunnel portal sequence intrusion risk correction coefficient set; and then differentiated monitoring analysis is carried out on the high-speed rail line tunnel portal, and tunnel portal perimeter intrusion information is determined for early warning management and control. The technical effects that differentiated intelligent monitoring and analysis of the tunnel portal are achieved, the accuracy of intelligent monitoring and analysis and the processing efficiency of intrusion monitoring data are improved, and then the timeliness of early warning of the perimeter intrusion of the tunnel portal is ensured are achieved.

The embodiment of the invention provides a railway limit intrusion detection method and related equipment, and belongs to the technical field of railway detection. The method comprises the following steps: acquiring a track detection result of track detection and a railway line image; carrying out time difference matching according to the rail inspection result and the railway line image to obtain an image extrinsic parameter; performing image correction processing on the railway line image to obtain a distorted image; performing target detection according to the distorted image to obtain target information of the to-be-detected railway equipment; based on two different feature extraction algorithms, performing feature matching on the distorted image according to the target information to obtain a target feature set; performing triangulation on the target feature sets of the images along the different railways according to the image extrinsic parameters to obtain boundary position coordinates of the railway equipment to be measured in a track coordinate system; and according to the boundary position coordinates and the track detection result, carrying out intrusion detection to obtain an intrusion result. According to the invention, automatic detection can be realized, the accuracy and operation efficiency of limit invasion detection are improved, and data support is provided for track adjustment.

The invention belongs to the technical field of railway line maintenance equipment, and particularly relates to an auxiliary device for railway line maintenance, which comprises a worktable, two round rods, two side plates and a hydraulic telescopic rod are arranged at the top of the worktable, and an elbow is mounted at the output end of the hydraulic telescopic rod. The top of each side plate is provided with a limiting mechanism for limiting the top of the track, and the top of the workbench is slidably connected with two limiting plates corresponding to the side plates. The technical means that the hydraulic telescopic rod and the two limiting plates are matched is adopted, the hydraulic telescopic rod extends to push the trapezoidal plate and the elbow to be close to the bent portion of the track, the trapezoidal plate drives the inclined plate to slide, the rolling wheels and the moving rods drive the limiting plates to synchronously move towards the track side, synchronous linkage of track correction force application and lateral limiting is achieved, and the track correction efficiency is improved. And the lateral pressing force is adjusted and controlled by means of the stretching length of the hydraulic telescopic rod, and the lateral pressing force can be adaptively adjusted along with the correction process.