265results about "Measuring apparatus" patented technology

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 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 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.

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.

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 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.

The invention discloses a double-block type sleeper laying fine adjustment system and method based on machine vision, and relates to the field of rail traffic engineering.The method comprises the steps that firstly, embedded metal measuring nails are arranged along a rail to serve as physical reference marks, and a stable three-dimensional coordinate system is constructed through back measurement, least square optimization and dynamic remeasurement; then, machine vision is used for collecting sleeper height, transverse center line position and pitch angle data in real time, and the corresponding relation between adjusting operation and parameters is synchronously recorded; kalman filtering noise reduction is carried out on the collected data, a normalized deviation cumulant is calculated based on a sliding window, and an error accumulation trend is identified through a continuous increasing situation; and finally, extracting high-frequency operation in an error accumulation period, calculating a unit operation quantity deviation change rate, and executing a differential adjustment strategy, including independent parameter adjustment, reverse compensation operation or pause operation, according to the unit operation quantity deviation change rate.

The application provides a positioning adjustment method, device and equipment of a track plate and a readable storage medium, relates to the technical field of measurement and control, and comprises the following steps: obtaining three-dimensional design coordinates of all measuring devices; establishing a plane equation based on the three-dimensional design coordinates; obtaining three-dimensional measurement coordinates of all measuring devices; determining elevation adjustment amounts of all measuring devices; calculating three-dimensional projection coordinates of all measuring devices; determining lateral adjustment amounts and longitudinal adjustment amounts of all measuring devices based on the three-dimensional projection coordinates and the three-dimensional design coordinates; and adjusting the position of a target track plate based on the elevation adjustment amounts, the lateral adjustment amounts and the longitudinal adjustment amounts of all measuring devices. The application can accurately obtain the position deviation of the current position relative to the plate plane by establishing the plate plane equation, calculating the deviation between the measurement position coordinates and the design coordinates to the directions parallel to the plate plane and perpendicular to the plate plane, and quickly and accurately adjusting the track plate to the design position by using the fine adjustment mechanism.

This specification provides a method, apparatus, and computer-readable storage medium for adjusting track smoothness. Based on this method, after acquiring dynamic detection data of a target track with mileage errors, the mileage in the dynamic detection data can first be corrected according to a preset correlation rule, using easily obtainable reference detection data of the target track, based on the principle of optimal correlation. This results in corrected dynamic detection data with satisfactory mileage positioning accuracy. Then, based on a preset multi-chord control optimization algorithm, the adjustment amounts for each measuring point are determined using the corrected dynamic detection data to ensure high track smoothness. Finally, the target track's smoothness can be adjusted based on the adjustment amounts for each measuring point. Thus, by acquiring and effectively utilizing dynamic detection data with high detection density that better reflects the true state of the track, the smoothness of the target track can be adjusted efficiently and accurately.

The invention discloses railway ballast track bed compactness detection equipment. The invention belongs to the technical field of ballasted track bed compactness measurement. The equipment comprises a rail traveling mechanism capable of traveling on a rail, a reciprocating traveling mechanism is mounted on the rail traveling mechanism, a positioning and scanning module and a measurement executing mechanism are mounted on the reciprocating traveling mechanism, the measurement executing mechanism comprises a plurality of multi-dimensional measurement units, and the multi-dimensional measurement units are actively inserted into a ballast track bed. A data processing module is installed on the back-and-forth walking mechanism, and the rail-mounted mechanism, the back-and-forth walking mechanism, the positioning and scanning module and the measurement executing mechanism are all connected with the data processing module. Accurate, rapid and continuous compactness detection is achieved, the detection efficiency and accuracy are remarkably improved, reliable data support is provided for track maintenance, and the track bed bearing capacity and the structural stability are ensured.

The invention discloses auxiliary equipment for railway ballasts, and relates to the technical field of railway ballast maintenance, the auxiliary equipment comprises a driving device, a material box, two clearing devices, two laying devices and two compacting devices; the running device comprises a vehicle body, a plurality of wheels and a first driving part; the material box is arranged at the top of the vehicle body, and a recycling space and a storage space are formed in the material box; the two clearing devices are arranged on the two sides of the material box correspondingly and each comprise a feeding hopper and a feeding assembly. The two laying devices are arranged on the two sides of the material box respectively, and each laying device comprises a discharging hopper and a first gate; the two compaction devices are arranged behind the vehicle body, and each compaction device comprises a compaction part and a second driving part; the compacting part is used for compacting and shaping the railway ballast, and the second driving part is used for driving the compacting part to move in the vertical direction. The efficiency and effect of reshaping and maintaining railway ballasts on the two sides of the track can be effectively improved, and meanwhile the cost can be effectively reduced.

The application discloses a screw lifting method and device of full closed loop servo control, and the method comprises the following steps: obtaining the settlement of each node based on zero position; calculating the correction amount of the torsion angle of each screw; calculating the target lifting amount of each node to generate the corresponding displacement given curve or stress given curve; performing synchronous lifting and monitoring real-time displacement; judging whether an unexpected situation occurs and locking the lifting at any time; controlling the servo motor of each node in a closed loop based on real-time displacement and real-time stress; filling the joint after the lifting is completed; storing the new elevation; the device comprises a base bed surface layer, a lifting installation position is arranged in the base bed surface layer, a lifting execution mechanism is arranged in the lifting installation position, a lifting end of the lifting execution mechanism is connected with a passive lifting unit, and a filling joint is filled between the passive lifting unit and the base bed surface layer. The application realizes high-precision lifting of a track structure and cooperatively controls the stress and displacement in a closed loop.

The utility model relates to the technical field of measuring devices, and discloses a measuring device for high-precision construction of a subway track, which comprises a total station main body, and a ball cup is fixedly mounted at the bottom of the total station main body; a base is arranged below the ball cup, a universal ball is fixed to the upper surface of the base, and a movable groove matched with the universal ball is formed in the bottom of the ball cup. A plurality of groups of ejector rods which are annularly arranged at equal intervals are arranged on the base in a sliding manner; a first spring is fixedly installed at the bottom of the ejector rod, and the other end of the first spring is fixedly connected with the base. According to the measuring device for the high-precision construction of the subway track, the total station main body can be leveled, limited and locked, the situation that the position deviation of the total station main body is affected by vibration generated in the construction of a subway tunnel is prevented, the horizontal precision is guaranteed, and the measuring requirement is met.

The invention discloses a multi-mode steering self-deformation tire type track laying operation vehicle and a construction method, and belongs to the technical field of track laying operation vehicles. A multi-mode steering self-deformation tire type track laying operation vehicle comprises an operation vehicle body, a vehicle frame and wheels are arranged on the operation vehicle body, a bearing frame is arranged on the operation vehicle body, and a material clamping unit is arranged on the bearing frame; a winch is arranged on the operating vehicle, and a steel wire rope connected with the bearing frame is wound on the winch; a detection plate is arranged on the frame, and a detection unit is arranged on the detection plate. According to the multi-mode steering self-deformation tire type track laying operation vehicle and the construction method, whether the positions of the two side edges of the track are aligned or not can be checked, real-time measurement can be conducted when the operation vehicle conducts track laying, in this way, after the situation that the position of the track is not accurate, the track can be repaired through the operation vehicle, and the repairing steps are simplified.

The invention relates to a high-speed railway ballastless track structure interlayer gap detection vehicle and a detection method, the detection vehicle comprises an image acquisition device, a mechanical arm, a track detection vehicle, an image processing system and a control device, the image acquisition device is connected with the track detection vehicle through the mechanical arm, the image processing system is electrically connected with the image acquisition device, and the control device is electrically connected with the mechanical arm. And the image acquisition device, the mechanical arm and the track inspection vehicle are electrically connected with the control device respectively. By the adoption of the detection vehicle and the detection method, on the basis that automatic detection of the gap between the ballastless track structure layers is achieved, the efficiency and precision of detection of the gap between the ballastless track structure layers are improved.

The present application discloses a kind of track leveling equipment for railway track laying construction, it is related to track traffic equipment technical field, the present application includes track and tamping car, further include: two leveling components, leveling component is used to the ballast around the sleeper is leveled and is handled, the leveling component includes fixed plate, and fixed plate bottom sliding installation has push flat plate, push flat plate is installed on ballast take-off mechanism, ballast take-off mechanism is used to the ballast around the sleeper is collected or the ballast of collected discharge according to the moving distance of push flat plate relative to fixed plate.Occupation is in: can be self-adapting leveling before tamping and real-time sensing ballast compactness and height, and utilize the displacement of push flat plate in leveling process automatically stepless regulation tamping vibration intensity, while the displacement of push flat plate can also trigger ballast take-off mechanism, realize the collection of excess ballast or the release filling of collected ballast, greatly improve tamping quality, energy efficiency and track laying precision.