124 results about "Rail inspection" patented technology

The invention discloses a high-precision defect detection system for a track inspection robot, which relates to the technical field of track inspection and comprises a multi-mode visual acquisition module, a time sequence synchronization module, a data fusion processing module and a defect identification output module, by adopting a multi-modal visual fusion detection technology, various modal visual technologies of visible light vision, infrared vision and ultraviolet vision are combined, fusion processing is carried out on all modal image data, visual defects such as cracks and abrasion on the surface of a track can be clearly recognized through visible light vision, and the visual performance of the track is improved. The infrared vision can detect temperature abnormity of a track component to find out potential poor contact and other problems, the ultraviolet vision can be used for detecting corona discharge and other phenomena, track information is comprehensively obtained, the accuracy and reliability of defect recognition are effectively improved, defects which are difficult to find in a single mode can be detected, and the detection efficiency is improved. And powerful support is provided for safe operation and maintenance of the track.

An intelligent fault-in-rail analysis method based on multimodal fusion learning. Ultrasonic analysis data of the rail and high-definition rail surface images taken by line scan cameras are exploited in combination to detect and display internal and surface faults of the rail through different renditions using multimodal data. Rail DEtection TRansformer (R-DETR) technology or a You Only Look Once (YOLO) inspection machine-learning algorithm are employed in a deep convolutional neural network to analyze B-scan and rail surface image data to recognize rail line faults. After obtaining expressive data through data enhancement by computer processing, faults are recognized and pinpointed using the deep convolutional neural network learning algorithm. Analysis results are corrected with expert systems. The disclosed automatic ultrasonic fault-in-rail inspection solves the problem of slow detection and difficulties in tracking faults in everyday routine maintenance while also protecting the safety of rail operation and maintenance personnel.

The invention discloses a control system and method for a steel wire traction type overhead rail inspection robot with a sliding contact line, and relates to the technical field of modern industry and infrastructure construction.The system comprises a steel wire traction control module and traction devices connected with the two ends of a rail through steel wires, the traction devices are provided with servo motors, and the servo motors are used for driving traction wheels to rotate; the movement control of the inspection robot along the track is realized; the sliding contact line power supply control module comprises a sliding contact line laid along the track and a power taking device carried by the inspection robot, and the sliding contact line is matched with the power taking device and used for providing continuous and stable power supply control for the inspection robot; the steel wire traction control module is further integrated with a steel wire tension real-time monitoring control unit, and the steel wire tension real-time monitoring control unit is electrically connected with the servo motor and used for dynamically adjusting the output power of the servo motor according to the tension data of the steel wire, so that the tension of the steel wire is kept within the preset optimal range. According to the invention, intelligent control of the inspection robot can be realized.

The present application relates to the field of railway inspection technology, and in particular to a rail inspection vehicle, comprising a vehicle body provided with wheels for running on rails; a detection mechanism, the detection mechanism being arranged on both sides of the vehicle body, the detection mechanism being located between two adjacent wheels on the same side, the detection mechanism comprising a mounting seat, a high-speed camera, and an ultrasonic flaw detection wheel, the mounting seat being connected to the vehicle body, the ultrasonic flaw detection wheel being arranged on the mounting seat, the ultrasonic flaw detection wheel being used to roll on the surface of the rails, the high-speed camera being arranged on the mounting seat, the mounting seat being provided with a photographic area, the high-speed camera being used to photograph the rails in the photographic area; and a control box, the control box being connected to the wheeled detection mechanism and the camera detection mechanism. The present application organically combines contact flaw detection with non-contact imaging to form a multi-dimensional data complementary mechanism, thereby achieving simultaneous detection of rail surface and internal damage, eliminating the influence of human factors on the detection quality, and significantly improving dynamic detection stability.

The invention relates to the technical field of rail inspection, in particular to a rail inspection vehicle with lifting and transverse moving functions. The second direction intersects with the first direction, the crawler belt transverse moving mechanism is installed in the cavity through a lifting mechanism, the lifting mechanism is used for driving the crawler belt transverse moving mechanism to ascend and descend, and the crawler belt transverse moving mechanism comprises a crawler belt support, a first crawler belt wheel, a second crawler belt wheel, a crawler belt and a power component. The first crawler wheel and the second crawler wheel are installed at the two ends of the crawler support respectively, the crawler is connected with the first crawler wheel and the second crawler wheel, the power component is installed on the vehicle body, and the power output end of the power component is connected with the first crawler wheel. The technical problem that in the prior art, a rail inspection vehicle cannot effectively achieve transverse movement and height adjustment is solved, and the working flexibility and adaptability of the inspection vehicle are greatly improved.

A rail inspection device is provided. The rail inspection device includes a traveling machine that travels along a rail and includes an optical system that acquires an image of an area of the rail being traveled; and a main body having the traveling machine installed on an upper surface and including an image analyzer that analyzes the image acquired from the optical system, wherein the image analyzer: sets at least one virtual area in the rail area image, extracts an item image of an inspection target item within the virtual area, and inspects the inspection target item by comparing the extracted item image with a normal image of the inspection target item.

The invention relates to a multifunctional detection vehicle suitable for rack rail railway track detection, and belongs to the technical field of track detection. The multifunctional detection vehicle comprises a main board, a walking device, an electromagnet device, a rack rail detection device and a steel rail detection device. The walking device drives the whole multifunctional detection vehicle to walk in the length direction of the track. The electromagnet device is used for increasing the friction force between the whole multifunctional detection vehicle and the track; the rack rail detection device detects surface defects of the rack rail; the steel rail detection device detects surface defects of the steel rail; the electromagnet device can enable the multifunctional detection vehicle to normally and stably run on a steep track section; the whole multifunctional detection vehicle can automatically and unmanned detect the states of the whole rail steel rail and the rack rail line at the same time, the detection accuracy of the rack rail railway track is improved, and the problem that manual inspection or unmanned aerial vehicle shooting inspection is adopted is solved; and the simultaneous detection of the line states of the steel rail and the rack rail cannot be realized automatically and unattended.

The invention discloses a single-wheel self-balancing rail inspection device and method based on sound detection. The single-wheel self-balancing rail inspection device comprises a single-wheel self-balancing rail inspection device body and a server terminal. The single-wheel self-balancing track inspection device is placed on a rail, the posture and the balance state of the inspection device are detected through a gyroscope in the moving process, a rail image is recognized through a tracking camera, and the single-wheel self-balancing track inspection device is controlled to keep a self-balancing state so as to perform tracking movement along the single rail. In the moving process, the rail is knocked at fixed time or fixed distance, sound is collected, sound data is transmitted to the server terminal for real-time sound detection, and the working condition of the rail is distinguished according to sound classification. According to the invention, the inspection device is driven by means of camera tracking, self-balancing control and single-wheel advancing, so that the inspection device can walk on a single rail and can be kept stable; meanwhile, sound generated by knocking the rail is collected, the sound is detected through a machine learning or deep learning method, the sound is recognized in a multi-classification mode, the rail working condition is judged, and sound-based rail abnormal working condition detection is achieved.

The invention belongs to the technical field of steel rail detection, and aims to provide a steel rail head profile registration method and system, electronic equipment and a program product. The method comprises the following steps: selecting a profile of an unworn area in an actually measured rail head profile of a to-be-detected rail head as a to-be-registered profile section, and selecting a profile of a profile area corresponding to the unworn area in a standard rail head profile as a reference profile section; performing primary registration on the to-be-registered profile section and the reference profile section, and obtaining an initial registration matrix for matching the to-be-registered profile section to the reference profile section; and correcting the initial registration matrix to obtain a corrected registration matrix, and then according to the corrected registration matrix, translating and / or rotating the actually measured rail head profile where the profile section to be registered is located according to the corrected registration matrix, thereby realizing registration between the actually measured rail head profile and the standard rail head profile. The method can be applied to a scene of trackless waist part data, and is high in registration precision and efficiency.

The invention provides a self-adaptive control method and system for a pipe gallery hanging rail inspection robot and the robot. The method comprises the following steps that robot motion state parameters are obtained through multi-source sensor fusion; establishing a three-dimensional composite dynamic model comprising a climbing dynamic model, a curve centrifugal compensation model and an energy recovery model; predicting and estimating the pose state of the robot based on an extended Kalman filter, generating a feedforward control quantity, and adopting a feedforward-feedback composite control algorithm; pID parameters are dynamically adjusted according to the real-time track curvature radius R and the gradient theta, and a torque instruction of a driving motor is generated; and executing regenerative braking energy recovery and the like. The operation stability and reliability of the pipe gallery inspection robot in the working process can be remarkably improved, specifically, sudden-change instability of the robot in the climbing process is improved, the shaking degree of the robot when the robot passes through a curve is greatly reduced, meanwhile, energy consumption is reduced, and the cruising ability of the inspection robot is prolonged.

The invention relates to the technical field of railway detection, in particular to a rail crossing device of a rail inspection vehicle. The first lifting mechanisms are installed on the two sides of the vehicle body and distributed on the vehicle body in the second direction, and driving wheels are installed at the lifting movable ends of the first lifting mechanisms and used for driving the vehicle body to move in the second direction; the second lifting mechanism is mounted at the bottom of the vehicle body, and supporting wheels are mounted at the lifting movable end of the second lifting mechanism; under the working state that the first lifting mechanism drives the vehicle body to be away from the ground, the second lifting mechanism can drive the supporting wheels to descend to be supported on the same plane with the driving wheels. According to the rail crossing device, transverse moving and rail crossing can be directly achieved, the inspection vehicle can be moved without special hoisting equipment, more labor is saved in the rail crossing process, normal train operation arrangement is prevented from being interfered, the rail crossing device is particularly suitable for rail switching requirements of special sections such as tunnels or bridges or remote areas, and the rail crossing device has wide application prospects and practical value.

The utility model discloses a walking positioning device of a rail inspection robot. The walking positioning device is installed on a chassis of the inspection robot through an external installation assembly. The walking positioning device comprises a gear, a rack and an encoder. The rack is installed on a track where the inspection robot walks, the gear is meshed with the rack, and the gear is connected with the encoder through cooperation of a gear shaft and an encoder shaft; in the walking process of the inspection robot, the gear rotates to drive the encoder shaft to rotate; the walking positioning device further comprises a meshing pressure adjusting piece, and the meshing pressure adjusting piece acts on the gear so as to adjust the meshing pressure of the gear and the rack. According to the utility model, the detection precision of the inspection robot during walking is improved, the positioning is more accurate, the disassembly, assembly and debugging are convenient, the pressing force of the positioning device can be adjusted, the detection operation can be continued without returning to the original point under the conditions of power failure and restart, and the detection efficiency of the robot is improved.

This disclosure relates to an inspection trolley (10) of a hydraulic valve (1) for shutting off a flow into a body of water, the valve comprising: a body (2), a guide rail (5) and a counter-guide rail (4), a sealing plate (19) substantially parallel to the counter-guide rail (4) or to the guide rail (5), in which the inspection trolley (10) comprises: a guide train (11) and a counter-guide train (12), a measuring frame (7) disposed between the guide train (11) and the counter-guide train (12), a reference sensor (18) configured to measure a distance between the inspection trolley (10) and the sealing plate (19), a guide sensor (21) and / or a counter-guide sensor (22), and a means for measuring a distance between the inspection trolley (10) and a horizontal reference plane (25). Abbreviated figure: Fig. 2

1. The name of this design product: explosion-proof rail inspection robot. 2. Purpose of this design product: explosion-proof rail inspection robot. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model relates to the technical field of steel rail welding seam detection, in particular to a profiling probe suitable for a steel rail welding seam, which comprises a mounting main body, the mounting main body comprises a first mounting surface, a second mounting surface and a peripheral side mounting surface, the first mounting surface is arranged on the upper surface of the mounting main body and is used for mounting a bracket, and the second mounting surface is arranged on the lower surface of the mounting main body. The second mounting surface is arranged on the lower surface of the mounting main body, the second mounting surface is used for mounting a profiling probe group, and the peripheral mounting surface is used for fixing an auxiliary probe and a shell. According to the utility model, the array profiling probe group is adopted and is well attached to the surface of the steel rail, so that more comprehensive and more detailed detection work can be completed on the premise that advanced detection equipment is not needed; and the support is further arranged and used in cooperation with other tools when needed, and detection of the steel rail, especially scanning work of a welding seam, is better completed.

The invention discloses a pull-type high-speed rail inspection device based on artificial intelligence, and the device comprises a multi-mode data collection assembly which integrates a high-definition camera, an infrared temperature sensor and a vibration sensor, moves along with the dragging of the device, collects the image, temperature and vibration data of a contact network and a rail in real time, and has a severe environment data noise reduction function; an AI intelligent processing unit; a digital twin mapping module; a dragging adaptation mechanism; and a data transmission and early warning terminal. According to the pull-type high-speed rail inspection device and method based on artificial intelligence, multi-dimensional data are stably collected through the multi-modal assembly and noise reduction is carried out, a DETR model optimized by the AI unit and semi-supervised learning are combined, the complex scene fault recognition accuracy is improved, millimeter-level fault mapping is achieved through the digital twin module, and the dragging mechanism is adaptive to different trains and damped; the data terminal guarantees communication and early warning, constructs a complete inspection link, reduces the omission ratio and the labor cost, and assists digital and intelligent upgrading of rail transit operation and maintenance.

The present application relates to the field of railway inspection technology, and in particular to a rail inspection robot, comprising a vehicle body, a vehicle frame comprising a vehicle frame, a front axle, a rear axle and wheels, the front axle and the rear axle being respectively mounted at both ends of the vehicle frame, and wheels being mounted at both ends of the front axle and the rear axle; a cross-track device comprising a first lifting mechanism and a second lifting mechanism, the first lifting mechanism being mounted on both sides of the vehicle frame, the first lifting mechanism being distributed on the vehicle frame along a second direction, a driving wheel being mounted on the lifting movable end of the first lifting mechanism, the second lifting mechanism being mounted on the bottom of the vehicle frame, and a supporting wheel being mounted on the lifting movable end of the second lifting mechanism; a high-speed camera detection device being mounted at one end of the vehicle frame; and an ultrasonic flaw detection device being mounted at the other end of the vehicle frame. The cross-track device enables the robot as a whole to move across different tracks, greatly improving inspection efficiency.

The utility model provides a steel rail detection device, which comprises a base, a peripheral detection mechanism and an end detection mechanism, and is characterized in that the base is used for supporting a steel rail; the periphery detection mechanism is arranged on the base and used for detecting the quality of the periphery of the steel rail. The end detection mechanism is arranged on the base and used for detecting the quality of the end of the steel rail. The end detection mechanism and the peripheral detection mechanism are arranged on the base, the end detection mechanism can carry out quality detection on the end face of the steel rail, and the peripheral detection mechanism can carry out quality detection on the top face, the side face and the bottom face of the steel rail. The steel rail detection device can obtain the boundary dimension and appearance defect information of the end face of the steel rail and the boundary dimension and appearance defect information of the periphery of the steel rail, and can generate a three-dimensional profile diagram according to the information, so that the manual operation amount is reduced, and the detection efficiency of the steel rail is improved.

The utility model provides a steel rail top surface multi-region corrugation measuring device and steel rail detection equipment, and belongs to the technical field of railway steel rail detection. In order to solve the problem of low detection reliability caused by single steel rail corrugation detection position, the utility model provides a steel rail top surface multi-region corrugation measurement device, which comprises a fixed bracket, the linear sliding table is arranged on the fixed support, a sliding block of the linear sliding table is connected with an extension arm, and the extension direction of the extension arm is the same as the sliding direction of the linear sliding table; the sliding block of the linear sliding table is further connected with an adjusting piece and a plurality of locking pieces. And the laser displacement sensor is arranged at the tail end of the extension arm, and the direction of a laser probe of the laser displacement sensor is perpendicular to the sliding direction of the linear sliding table so as to obtain steel rail corrugation data. The linear sliding table drives the laser displacement sensor to move in the width direction of the steel rail, so that multi-position detection is achieved, namely, multi-area corrugation data of the top face of the steel rail is obtained, and then the reliability of steel rail corrugation detection is improved.

The invention discloses a walking mechanism of a rail hanging inspection robot and the robot, the walking mechanism comprises a driving wheel set (2), a driven wheel set (3), a robot body (4) and a pivotal bearing (5), the driving wheel set (2) and the driven wheel set (3) are used for being hung on a rail and are connected with the robot body (4) through the pivotal bearing (5), and the driving wheel set (2) and the driven wheel set (3) are used for being hung on the rail and are connected with the robot body (4) through the pivotal bearing (5); the driving wheel set (2) and the driven wheel set (3) can rotate relative to the robot body (4). The universality, the stability and the durability of the hanging rail inspection robot in a complex rail environment are provided.

This invention relates to the field of rail inspection technology and discloses an ultrasonic non-destructive testing device for safety monitoring of rails in high-speed rail transit. The device includes: a support frame, shaped like a groove; an ultrasonic detector disposed within the support frame; two rail wheels fixed to the bottom centerline of the support frame; the travel controller mounted on the support frame and used to control the travel speed of the rail wheels; a first telescopic movement unit disposed on one side of the two rail wheels; a second telescopic movement unit disposed on the side of the two rail wheels away from the first telescopic movement unit; and a control module electrically connected to the ultrasonic detector and the travel controller, the control module being used to control the travel controller based on the ultrasonic signals collected by the ultrasonic detector. This invention achieves coordinated optimization of detection and motion.

1. The name of the design product: track inspection robot. 2. The use of the design product: robot for inspection. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The present application provides a track detector, which comprises a main beam assembly; the main beam assembly comprises a main beam piece, a first track surface running wheel and a first track gauge measuring wheel arranged on the left end of the main beam piece, and a left and right sliding unit arranged on the right end of the main beam piece and capable of sliding transversely along the main beam piece. When the track is in an arc state, the left and right sliding unit slides left and right relative to the main beam assembly, so that the first track gauge measuring wheel and the second track gauge measuring wheel can respectively contact the inner wall surface of the left and right tracks. Thus, the present application can obtain the real track gauge through one track gauge sensor. In addition, the side beam assembly can vertically float up and down relative to the main beam assembly, so that the first track surface running wheel and the second track surface running wheel can respectively contact the track surface of the left and right tracks. Thus, the present application can obtain the real super-elevation value and the horizontal value through one horizontal sensor, so that the number of sensors used by the track detector is small, and the system is simple and the measurement is accurate.

The invention belongs to the technical field of railway station intelligent inspection equipment, and discloses a railway station environment-based hanging rail inspection robot which comprises an inspection robot body moving on a hanging rail robot hanging rail, and the hanging rail robot hanging rail is mounted below a truss or a net rack through a hoop mounting structure; the inspection robot body adopts an up-down split structure, the upper part of the inspection robot body is a driving cabin, and the lower part of the inspection robot body is a detection cabin carrying a double-spectrum holder; a laser module and an ultrasonic module are arranged at the front end of a cabin body of the detection cabin; the hoop mounting structure comprises angle steel fixed on the hanging rail of the hanging rail robot, a hoop mounted on the truss or the net rack, a hoop clamping plate connected with the hoop, and a connecting plate connected between the angle steel and the hoop clamping plate through bolts. According to the invention, the robot can quickly deploy different types of supporting systems of the railway station, and stable inspection operation in a complex structure environment is ensured in combination with closed-loop control of an environment sensing system and an execution mechanism.

The invention relates to the field of high-pressure oil rail inspection, in particular to an automatic inner hole depth inspection and linkage marking system and method for a high-pressure oil rail, and the system comprises a fixing unit, a measuring unit, a marking unit and a control unit. The fixing unit locks the high-pressure oil rail. The measuring unit and the marking unit are installed near the fixing unit, and oil sprayer base inner hole depth inspection and high-pressure oil rail marking are completed. The control unit is connected to the fixing unit, the measuring unit and the marking unit. And for the detected high-pressure oil rail, the control unit uses the marking unit to mark the high-pressure oil rail. On the contrary, only detection disqualification is prompted. The invention also comprises a method. According to the invention, automatic depth inspection of the fuel injector seat and automatic marking linkage and inspection are realized, and only qualified products are marked, so that the labor cost is greatly saved, missing inspection and result judgment errors caused by manual judgment of inspection results are reduced, the inspection quality is improved, and unqualified products are prevented from entering the next process. And unqualified products can be effectively prompted.

This utility model discloses a rail coating thickness measuring instrument, relating to the field of rail inspection technology. The instrument includes a mounting plate, a testing mechanism, and a positioning mechanism, with a rail body positioned below the mounting plate. The instrument moves along the rail body via casters on the mounting plate, eliminating the need for manual operation. This significantly reduces the physical strain and difficulty of prolonged hand-held operation and avoids positional shifts and data fluctuations caused by hand tremors, ensuring the stability and accuracy of coating thickness measurement data. It is particularly suitable for continuous testing of long-distance rails, minimizing interruptions. Simultaneously, guide wheels embedded in grooves on both sides of the rail body provide precise positioning for the thickness measuring instrument as it moves the mounting plate, preventing lateral shift during testing.

The present application relates to a kind of compact rail inspection trolley, by double-wheel part A, foldable part B and single-wheel part C, double-wheel part A, foldable part B and single-wheel part C are sequentially connected, and constitute T-shaped structure rail inspection trolley main body;Tray part of double-wheel part A is installed on push rod installation adjusting limiting plate by push rod part, recessed connecting shaft sleeve is provided on the BC connecting plate of foldable part B, recessed connecting shaft sleeve and convex connecting shaft sleeve are connected by connecting shaft, foldable part B rotates around connecting shaft to realize folding and unfolding assembly function, prism prism column part is installed at prism column installation groove, when foldable part B is rotated to folding position, prism prism column part can be placed in the inner cavity of foldable part B, double-wheel part A is stacked on the upper part of folding part;The present application is quickly and conveniently disassembled, and after folding storage, external size greatly reduces, so that the external size of transport box is small, small in size, light in weight, and convenient to use, move and transport.

1. Name of the Design Product: Suspended Rail Inspection Robot. 2. Use of the Design Product: A robot for performing inspection work. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Stereogram.

The invention belongs to the technical field of fan operation and maintenance, and particularly discloses a fan cabin hanging rail inspection robot multi-sensor cooperative detection method and system, multi-physical field data can be synchronously acquired through a multi-modal sensor array, and the data quality can be improved by performing layered preprocessing and cooperative calibration on the multi-physical field data. Reliable data support is provided for fault diagnosis; a diagnosis model fusing a graph neural network and an attention mechanism is adopted, the fault type under multi-factor coupling can be accurately recognized, and the intelligent level of operation and maintenance of a fan cabin is improved; the method can achieve the automatic recognition of fault types, fault degrees and fault related factors, provides a visual fault diagnosis result for operation and maintenance personnel, facilitates the operation and maintenance personnel to carry out the operation and maintenance work in a targeted manner, reduces the operation and maintenance difficulty and cost, and improves the operation and maintenance efficiency of a fan cabin. The adaptability and the expansibility are high, the operation and maintenance requirements of the fan cabin under different working conditions can be met, and the wide engineering application prospect is achieved.