359results about "Measuring apparatus" patented technology

Described herein is a lightweight, power-efficient edge computing system, called the Autonomous Power-efficient Track Inspection System (APTIS), designed specifically for railroad track component inspection, and methods for making same, using an edge-computing device equipped with a custom computer vision model for meticulous track inspection that employs advanced deep learning and AI technologies, enabling automated detection and evaluation of the condition of various track components in concert with built-in cameras for surveillance.

The invention belongs to the technical field of data measurement, and discloses a high-speed railway ballastless track construction measurement method, which comprises the following steps of: carrying out internal reference and external reference calibration on a binocular camera of a track detection trolley; obtaining related data containing a binocular image, and carrying out space-time alignment processing on the related data so as to construct a prediction state vector; carrying out stereo matching on the binocular image to generate a prediction disparity map, and carrying out three-dimensional reconstruction on the prediction disparity map to obtain a track point cloud map; and extracting a track inner side point coordinate sequence and a track height program sequence from the track point cloud picture, and generating a corresponding track gauge table and a corresponding smoothness table. According to the invention, vision, three-dimensional reconstruction and inertial navigation technologies are integrated, and integrated detection of gauge, elevation and smoothness parameters is realized.

The invention discloses a turnout fine adjustment system and method, the system comprises a fine adjustment moving trolley, an elevation adjuster, a center line adjuster and an inclination angle detection trolley, the end part of the fine adjustment moving trolley is hinged with a cross beam capable of swinging and a lengthened beam, and the elevation adjuster is mounted on the cross beam; a visual camera and a laser distance measuring sensor are arranged at the bottom of the elevation adjuster; the center line adjuster comprises a double-thread telescopic rod and a transverse fine adjustment device, and the transverse fine adjustment device is detachably clamped on the double-thread telescopic rod and can drive the double-thread telescopic rod to rotate so as to enable the double-thread telescopic rod to extend or retract; the method comprises a turnout elevation fine adjustment method, a turnout center line fine adjustment method and a turnout elevation and center line fine adjustment method. Fine adjustment of the elevation and the center line of the turnout can be rapidly completed, manual auxiliary participation is reduced, manpower and material resources are saved, and the construction efficiency is improved.

The utility model discloses a railway ballast track bed resistance rapid measuring vehicle which comprises a vehicle frame arranged above a track, a front wheel set and a rear wheel set are installed on the vehicle frame in the length direction of the track at intervals, and the front wheel set and the rear wheel set are both rolled on two steel rails. Two fastener disassembling and assembling mechanisms are installed on the frame in the length direction of the rail at intervals, two rail lifting mechanisms are installed on the frame in the transverse direction of the rail at intervals, the two rail lifting mechanisms extend to the rail webs of the two steel rails respectively, and two hydraulic supporting mechanisms are installed on the frame and located between the two fastener disassembling and assembling mechanisms. A resistance measuring mechanism is installed on the frame and located between the two hydraulic supporting mechanisms. According to the utility model, the operation convenience can be effectively improved, the detection efficiency is greatly improved, and safety accidents are avoided. The device is suitable for the technical field of railway ballast track bed resistance detection.

The invention provides a construction method of a CRTS III type slab ballastless track, and relates to the technical field of high-speed rail construction, and the construction method comprises the following steps: mounting base plate steel bars, side forms, end templates and limiting groove templates, placing foam plates at expansion joints, and reserving track slab pressing and anchoring holes; base plate concrete is poured, and base plate concrete formwork removal, surface finishing, maintenance and expansion joint construction are carried out after pouring; constructing a geotextile isolation layer and an elastic cushion layer; limiting groove steel bars and self-compacting concrete layer steel bar meshes are installed, and track plates are placed; before and after the track plate and the base plate are fastened by the pressing device, the track plate is finely adjusted by the fine adjustment device; and a self-compacting concrete formwork is installed, self-compacting concrete is poured, and post-pouring treatment and curing are conducted. The track plate and the base plate are fastened through the pressing device, so that the track plate, the base plate and the self-compacting concrete layer are tightly attached in the self-compacting concrete pouring period, and the situation that reworking or track laying is difficult due to the fact that the floating amount of the track plate is too large is avoided.

A sensor device (3) for detecting strains in a linear infrastructure component (12), in particular a track rail, comprises a first sensor unit (16, 16') with a first support (28) and at least one strain sensor mounted on the first support (28) for detecting a strain at the first measuring point (19), a second sensor unit (17) with a second support (29) and at least one strain sensor mounted on the second support (29) for detecting a strain at the second measuring point (20), a coupling means (18) connected to the first support (28) and the second support (29) for defining a measuring distance (d) between the first measuring point (19) and the second measuring point (20) along a longitudinal direction (21) of the linear infrastructure component (12), a measuring arrangement (19) with the sensor device (3), a method, and an application device for applying the sensor device (3).

The embodiment of the invention provides a rail distance measuring device for rail transit, and relates to the technical field of rail distance measurement. A track distance measuring device for track traffic comprises a measuring body, two sets of moving assemblies, a marking assembly, a driving part, an auxiliary measuring mechanism and a sealing assembly, and the two sets of moving assemblies are located on the two sides of the measuring body respectively and used for walking on a track; the auxiliary measuring mechanism is mounted on one side of the measuring body, and two ends of the auxiliary measuring mechanism are respectively contacted with the inner walls of the two groups of rails. High-precision track gauge measurement is achieved through the measuring wheel and the encoder, track gauge abnormity is sensed in real time in combination with the side rolling wheel and the displacement sensor, automatic marking is achieved in cooperation with the pump body, the storage box and the liquid outlet pipe, and leakage is prevented through the sealing assembly in the non-working state; meanwhile, full-automatic control over rolling wheel avoiding, sealing relieving and liquid spraying marking is achieved through a driving part linkage mechanism, and the track detection precision, efficiency, the intelligent level and the device reliability are remarkably improved.

The invention relates to high-speed rail track design and matching thereof, in particular to a controllable ballastless track module and a track assembly. The ballastless track module comprises a transverse sleeve rod, two symmetrical notches are formed in the transverse sleeve rod, and the transverse sleeve rod is divided into two side sections and a center section through the notches; the inner rod comprises a movable rod body and two mounting grooves which are formed in the movable rod body and open upwards, the mounting grooves are formed in the positions corresponding to the notches so that the movable rod body can be partially exposed out of the notches, and the rails can be clamped in the mounting grooves; the fine adjustment devices are connected to the ends, away from each other, of the two side sections respectively, each fine adjustment device comprises a fixing mechanism, a vertical positioning mechanism and a transverse adjustment mechanism which can be independently disassembled and assembled, and the transverse adjustment mechanisms are arranged in the side sections and connected with the movable rod body; the movable rod body can be driven by the transverse adjusting mechanism to adjust the transverse position of the rail, and the vertical adjusting mechanism is connected with the fixing mechanism and the edge section so that the height of the edge section can be adjusted.

Systems and techniques for generating track geometry data (TGD) for railroad track analysis. In embodiments, rail profile data for each of the rails of a track may be obtained at regular intervals as a vehicle carrying the system traverses the track. The rail profile data may be validated, and reference points on the profiles of each of the rails corresponding to specific geometric features of the rails may be identified. The rail profile data may be filtered and processed to generate track geometry data. The track geometry data may include data for a plurality of data channels. The track geometry data may be transmitted to a backend system receives for further processing to determine rail defects, and to generate notifications and alerts based on the determined defects. The system utilizes machine learning algorithms and models for defect detection and validation.

The invention relates to a walking device and a control method for the walking device to pass through a harmful space of a turnout. Two groups of rail supporting mechanisms; four guide wheel groups; the track detection module is arranged at the end of the walking framework and used for collecting track characteristic data, and the track detection module is a laser radar or an image sensor; the control system is used for performing data processing on the track characteristic data, identifying harmful space of the turnout and automatically controlling loading and unloading of the track supporting force of the track supporting mechanism; and the mileage sensor is used for measuring mileage data D of advancing of the walking framework. According to the walking device, by arranging the track detection module, the track supporting mechanism, the mileage sensor and the control system, when the walking device passes through a turnout section, track supporting force borne by the guide wheel set is automatically unloaded and loaded, full-automatic avoiding of harmful space is formed, the risk of manual operation is eliminated, and the working efficiency is improved. And the transverse stability of operation of the grinding trolley and the safety of equipment are guaranteed.

The invention discloses a transparent soil vibration table pile type reinforced embankment working property simulation method, and relates to the technical field of geotechnical engineering. In order to solve the problem of internal visualization of working properties of an existing pile-supported reinforced embankment, the following technical scheme is provided: S1, adjusting and fixing a slope simulator; s2, realizing transparency of a soil body material; s3, filling a transparent reinforced embankment; s4, installing and fixing observation equipment; and S5, simulating rainfall, earthquakes and train loads. The transparent soil vibration table pile type reinforced embankment working property simulation method and scheme have the remarkable beneficial effects in the aspects of internal visual simulation, controllability and reducibility, instrument operation simplicity and convenience, comprehensive benefits and the like.

The utility model belongs to the technical field of rail bearing table detection, discloses a measuring device for a ballastless track rail bearing table, and mainly aims to solve the problems of low measuring efficiency and poor measuring precision of the conventional measuring device. According to the utility model, the walking module is adopted to carry out station change of the whole device, compared with a traditional mode of moving a measuring instrument by manpower, the mode is faster, the workload of measuring personnel can be reduced, and the measuring efficiency is improved; according to the utility model, the specific position of the current measuring device is positioned through the positioning module, so that the measuring module on the measuring device can accurately correspond to the ballastless track bearing table to be measured, and the measuring accuracy is ensured; according to the utility model, the same pair of ballastless track bearing platforms can be respectively measured through different measuring instruments on the plurality of groups of measuring modules by controlling the gradual movement of the measuring device, and final measuring data can be obtained by integrating and contrasting multiple measuring results, so that the measuring error is reduced, and the measuring precision is improved.

The invention relates to the field of measurement, in particular to a track span measuring tool. The measuring tool comprises a zero-position support used for being placed on the outer side of a far side rail, the zero-position support is provided with a zero-position fixing structure used for fixing the zero-position end of a measuring tape body, and the zero-position support is provided with a movable adjusting piece used for abutting against the outer side of the far side rail. The zero-position support is pulled by component force in the track direction of the pull force of the tape towards the near side, the zero-position support moves to the position closest to the tape shell by moving the adjusting piece along the outer side of the far-side track, in the state, a tape body of the steel tape is perpendicular to the track center line, whether the tape body of the steel tape is perpendicular to the track center line or not is not observed by human eyes, manual deviation is not prone to occurring, and the accuracy of measurement is improved. The measurement result is accurate.

Systems and techniques for railway track monitoring and defect detection. In embodiments, a system captures and processes rail profile data for detecting defects on a railroad track. An on-board rail profile capture system, mounted to a railroad vehicle, captures rail profile data at regular intervals as the vehicle traverses the track. The system includes profile capture sensors and an inertial measurement unit to capture rates and angles of the vehicle's orientation. A main computer receives the rail profile data and generates track geometry data. A backend rail profile processing system receives the track geometry data, processes it to determine rail defects, and generates notifications and alerts based on the determined defects. The system utilizes machine learning algorithms and models for defect detection and validation.

The present invention discloses a rail jaw surface test fixture and its application and a rail jaw surface test device based on the same, which belongs to the technical field of rail unevenness measuring devices. The rail jaw surface test fixture includes a slider, and a clamping block is provided at one end of the slider that fits with the top surface of the rail. When the slider moves along the rail, the clamping block is used to maintain the fit between the slider and the side of the rail; a sensor holder is provided at one end of the slider that fits with the side of the rail, and a seat hole is provided on the sensor holder for placing the sensor, and the seat hole is axially perpendicular to the rail jaw surface. In the rail jaw surface test device, a capacitive displacement sensor is installed in the seat hole. The rail jaw surface test fixture is used in the unevenness test of the rail jaw surface of a rocket sled, so as to achieve high-precision measurement in a small space of the rail jaw surface, and has the advantages of non-contact and no friction and wear, and meets the rail measurement requirements in the rocket sled field.

The utility model relates to the technical field of track detection, in particular to a track adjusting and measuring instrument. Comprising a plurality of reference detection plates arranged on a track, a vehicle support is arranged above the track, a shaft tube is fixed to the vehicle support and penetrates through the vehicle support, a rotating shaft rotatably penetrates through the shaft tube, wheels are arranged at the two ends of the rotating shaft, the wheels are in rolling connection with the track, a cross rod is arranged above the shaft tube, and the cross rod is connected with the track. The axle tube is fixedly sleeved with two first connecting blocks, a first annular chuck is arranged on one side of the wheel, second annular chucks are arranged at the two ends of the cross rod, and the second annular chucks are rotationally connected with the corresponding first annular chucks. Through a simple track measuring structure, the operation of regularly measuring the track and observing the running condition of equipment manually is avoided, the measuring efficiency is effectively improved, the labor cost is saved, the problems of the track can be found in time, the track is prevented from running with diseases, and the normal running of a material storage yard is facilitated.

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.

The compactor (1) compacts the ballast bed of a track, and includes a compaction unit (4) for compacting under the track (9), a leveling device (2) arranged between the running gear (8) for leveling and leveling the track and the switch (9), at least one leveling roller (6) whose height position is adjustable, and at least one leveling hook (7) whose height position is adjustable independently of the leveling roller (6). The leveling roller (6) and the leveling hook (7) are arranged on a common console (31), and the console (31) is guided by an actuator (17) so as to be slidable laterally with respect to the longitudinal axis (L) of the compactor. In order to provide advantageous working conditions, the console (31) is arranged on a guide carriage (10) by which the console (31) can slide along the lateral guide (16) transversely to the compactor longitudinal axis (L), and the console (31) is supported on the guide carriage (10) by a swivel drive device (12) so that the console (31) can be swivelled around a swivel axis (30) parallel to the compactor longitudinal axis.

The invention discloses an installation method and installation equipment for a steel coil trolley track. The installation method comprises the steps that measurement data of a rolling line datum point are obtained through a laser tracker arranged at a target position, and measurement data of a plurality of peripheral position points in the middle of a mandrel are obtained through the laser tracker arranged at the target position; establishing a three-dimensional coordinate system according to the measurement data of the rolling line datum point; performing circle fitting according to the measurement data of the plurality of peripheral position points, and determining the center point coordinate of the central part of the mandrel in the three-dimensional coordinate system according to the fitting result; and target position coordinates used for installing the steel coil trolley track are determined in the three-dimensional coordinate system according to the center point coordinates, and the steel coil trolley track is installed according to the target position coordinates. The technical problems that an existing method for installing the steel coil trolley track is large in error, tedious in operation and long in installation time consumption are solved.

A method for the remote control of several simultaneously operating track-mounted maintenance machines is described. A central control station (24) communicates in real time with decentralized control and communication systems (22) of the maintenance machines. The control station (24) includes a display unit (23) on which critical status data of the maintenance machines are displayed in separate windows. Each status change in the separate windows of the maintenance machines is displayed in real time along with information required to process the error message. After a plausibility check of the work data and, if necessary, a correction by the control station, the tamping machine operator at the control station (24) releases the maintenance work.

The application discloses a high-speed railway full-process digitalized screen cleaning construction method, and particularly relates to the technical field of high-speed railway digitalized construction, which comprises the following steps: S1, determining line design data and rechecking; S2, measuring the line and placing piles, cooperating with the screen cleaning work to operate according to the quality control standard, measuring the track surface elevation of the line after screen cleaning by means of an auxiliary measurement system combined with a distance measurement module, thereby controlling the elevation of the screen cleaning section in real time; S3, daily construction operation process; S4, performing preliminary tamping operation; S5, performing rough tamping operation; S6, performing fine tamping operation; S7, performing fine tamping operation again, after the completion of the second track gauge fine adjustment, performing tamping operation again by means of the fine tamping scheme prepared by using the inertial navigation operation fine measurement data, and performing stable tamping operation, and whether to perform reinforcing tamping is determined according to the TQI and fine measurement data and the like; S8, performing quality rechecking and analysis, and performing appearance arrangement and acceptance, and then performing project completion.

The utility model discloses a level meter for monitoring vertical displacement of a roadbed, and relates to the technical field of roadbed monitoring. The road monitoring system comprises a road subgrade and further comprises a monitoring assembly, the monitoring assembly comprises pile bodies linearly distributed on the slope surface of the road subgrade, photoelectric sensors are installed at the top ends of the pile bodies, and the multiple photoelectric sensors are linearly distributed along the axis of the pile bodies. A laser measuring instrument is replaced by the monitoring assembly, and compared with the prior art, the device has the advantages of being not prone to being affected by the external environment, high in vertical displacement detection accuracy and the like and has practicability.

The present application relates to a kind of adjustable measuring frame for subway track construction, it is characterized by including height balance measuring plate, track parallelism measuring plate, telescopic support and push-pull rod, the left and right ends of the telescopic support are connected with one track parallelism measuring plate, height balance measuring plate is arranged between two track parallelism measuring plates, first levelness measuring instrument is installed at the top of the height balance measuring plate, second levelness measuring instrument is installed at the top of two track parallelism measuring plates, track running wheel is installed at the bottom of the track parallelism measuring plate, mounting seat is fixed to the bottom of the telescopic support by connecting rod, spacing measuring mechanism is installed at the left and right ends of the mounting seat, running wheel is installed at the front end surface of the mounting seat, and the push-pull rod is movably connected at the rear end surface of the telescopic support.The design has the advantages of simple structure, easy to manufacture and practical and efficient.

According to the high-speed railway subgrade settlement distributed monitoring method and system, the high-speed railway subgrade settlement distributed monitoring method has the advantages that the technology is mature, the precision is high (millimeter level), layered settlement of different soil layers can be measured, data are visual and reliable, and the precision is extremely high (can reach 0.1 mm level); the optical fiber is a sensor and a transmission medium and can continuously sense deformation of any point along an optical fiber path, the spatial resolution can reach the meter level or even the centimeter level, the anti-interference performance is high, the corrosion resistance and the electromagnetic interference resistance are achieved, the long-term stability is good, and the real distribution is achieved; the method is suitable for long-term monitoring, can realize multi-parameter monitoring (combining with different demodulation technologies and simultaneously monitoring settlement, strain, temperature and the like), and the monitoring system has full-time-domain continuity: 7 * 24-hour uninterrupted monitoring, which is far better than the frequency and full-space distribution of traditional manual inspection.

Systems, methods, and machine-readable media to facilitate installation and adjustment of railway components are disclosed. Aligning of a railway anchor manipulator and a railway fastener installer with respect to a railway tie may be caused. The railway anchor manipulator may be slidably coupled with a frame assembly of a railway workhead, and may include anchor tools. The railway fastener installer may be slidably coupled with the main shaft structure, may include a hammer assembly, and may be operable to install railway fasteners through holes of a railway tie plate. The railway fastener installer may be caused to install the railway fasteners. The railway anchor manipulator may be lowered to a deployed position, and railway anchors may be adjusted with the anchor tools.

The application discloses a kind of double-block type ballastless track fine adjustment power rail row adjusting method, including track and main beam, each is provided with one fine adjustment unit at the end of main beam, fine adjustment unit includes leg main body, height adjusting assembly, height drive assembly, angle adjusting assembly, transverse adjusting assembly and transverse drive assembly, height drive assembly is arranged in height adjusting assembly, leg main body is arranged in the bottom of height adjusting assembly;Angle adjusting assembly one end is arranged on height adjusting assembly, transverse adjusting assembly is arranged at the other end of angle adjusting assembly;Transverse drive assembly is arranged in angle adjusting assembly;Detection unit is provided on track, detection unit includes traction trolley and measurement assembly;Adjusting method includes track laying, preliminary adjustment, fine adjustment and overall measurement.The method can realize efficient, high-precision, multi-dimensional collaborative adjustment, and has real-time detection, safety protection and position correlation function.

The present invention discloses a track plate fine-tuning system and operating method based on end-feedback detection, the fine-tuning system includes a track plate, both sides of the track plate are provided with fine-tuning claws, the fine-tuning claws include a first shell, a second shell and a third shell, the first shell is provided with a first screw, a first slider and a first connecting column, the second shell is provided with a second screw, a second slider and a second connecting column, the third shell is provided with a third screw, a third slider and a third connecting column, one side of the third slider is fixedly connected to a connecting plate, a power wheel is provided at the bottom of the frame, a prism is installed at the top of the track plate, a sensor mounting frame is installed on the frame, and a laser displacement sensor is installed on the sensor mounting frame. The present invention has a novel structure, reduces manual operation, has high adjustment accuracy for the track plate, can be accurate to 0.01mm at the end, greatly reduces the complexity of adjustment, and the device directly reads and calculates the adjustment data, effectively avoiding errors in manual verbal communication.

The present application relates to the technical field of track laying base mark lofting, and discloses an adjustable lofting device suitable for precise lofting of a track laying base mark; the adjustable lofting device comprises a sector plate, the horizontal angle of the sector plate is adjusted by rotating a threaded sleeve or an adjusting shaft, the top of the sector plate is provided with a transverse level and a longitudinal level arranged in a transverse direction, the inner end of a moving rod is arranged in a guide rail groove and is connected with a lead screw, and a nut is connected to the lead screw; the moving rod is driven to move in the guide rail groove by rotating the nut, the swing rod is swung, the hinge sleeve drives the mark end plane to move, the horizontal position of the sector plate is controlled with high precision by the three threaded sleeves and the adjusting shaft in cooperation with the transverse level and the longitudinal level, the moving rod is driven by the nut to control the swing rod to control the forward and backward movement and the left and right movement of the lofting rod and the prism to achieve precise positioning, the base mark of the track laying is accurately and quickly lofted to a position without the need for releveling, and the lofting process can be completed at one time without the need for gradual approximation.

This invention discloses an automatic construction device and method for ballastless track elevation pad blocks. The construction device includes a vehicle body, a control system mounted on the vehicle body, a material dispensing unit, a traveling device, a sensing device, a material flatcar, and a rotary motor. The material dispensing unit includes multiple dispensing components, each used to store elevation pad blocks of different thicknesses. A rotating component is located in the middle of the upper part of the vehicle body, and a rotary motor is installed inside the rotating component to drive its rotation. The multiple dispensing components are fixed to the outer periphery of the rotating component. This invention has a reasonable structure, simple operation, and modular design, enabling accurate and rapid distribution of specific elevation pad blocks of different specifications to corresponding sleepers. It avoids errors that occur with manual material dispensing, improves work efficiency without stopping the vehicle, reduces labor intensity, and automates the dispensing of elevation pad blocks during track laying and maintenance.

The utility model provides a prefabricated track plate fine adjustment system which comprises four sets of prefabricated track plate fine adjustment devices, the prefabricated track plate fine adjustment devices are arranged corresponding to the four corners of a prefabricated track plate respectively, two sets of the prefabricated track plate fine adjustment devices are located on the first side of the width of the prefabricated track plate, and the other two sets of the prefabricated track plate fine adjustment devices are located on the second side of the width of the prefabricated track plate. The measuring part comprises a measuring instrument and a prism, the prism is arranged on the top surface of the prefabricated track plate, and the measuring instrument is arranged on the mounting carrier and used for detecting mounting position parameters of the prefabricated track plate in real time; the upper computer is in communication connection with the measuring instrument and the prefabricated track plate fine adjustment devices so as to obtain the installation position information and can control the prefabricated track plate fine adjustment devices to operate so as to adjust the installation positions of the prefabricated track plates. The device has the advantages of high adjusting efficiency, high precision, labor cost saving and the like.