Automated control system of geometric parameters of cross-ties
SUBSTANCE: linear guide with a sliding carriage is installed on a framework. Laser range profilometers with the possibility of moving them to change the position by the conveyor are mounted on the carriage. Laser scanners fixed on a bracket with one laser emitter and two receivers of the reflected signal, which are installed in the laser scanners, are used as the laser range profilometers. The receivers read the reflected signal simultaneously of the same cross-section of a reinforced concrete cross-tie. Minimum two laser scanners for simultaneous measurement of two or more reinforced concrete cross-ties are fixed on the carriage.
EFFECT: simplification of the system and measuring process and an improved performance and efficiency of the system operation due to the provision of a possibility to measure the parameters of two or more cross-ties at the same time.
The invention relates to measuring devices for special purposes, in particular to devices for measurement and control of geometrical parameters of concrete sleepers, affecting the strength and reliability of rail track.
A device for measuring geometrical parameters podrelsovoe areas of concrete sleepers (options):
- option 1, characterized in p. 1 formula, containing casing, the ends of which are mounted catchers, handle transportation, right and left pillars on which there are four anchor screws, one of which is fixed sensor linear displacement, the handle is oriented, one of which has a button, and the base with a fixed controller and the battery compartment;
- option 2, which differs from the first by the fact that the supports are made with two pivot screws and the sensor is linear on each of them, handle orientation, one of which has a button, the base with a fixed controller and the battery compartment, and the stand is fixed through the vertical rods in the Central part of the housing (RU, patent for invention №2246570, CL E01B 35/02, B61K 9/08, publ. 2003).
The drawbacks are:
- lack of measurement accuracy and the number of controllable parameters, due to the use of contact is the main method of control;
- low efficiency measure associated with direct human participation in the audit process.
Known automatic continuous control of geometrical parameters of the sleepers, adopted as a prototype, installed on the frame automated mechanism for longitudinal linear movement, comprising a bearing linear guide with the first movable carriage on which are fixed four laser profilometer, the system is equipped accommodated in the housing of an automated mechanism for transverse linear movement, fixed on the first movable carriage laser meter holes, while automated mechanism for transverse linear movement of the carrier equipped with the second guide of the movable carriage, and to bring it into action is the servo stepper motor, laser profilers mounted on one end of the first movable carriage, and automated mechanism for transverse linear movement of another laser profilometers and automated mechanism for transverse linear movement of rigidly mounted to the frame (RU, patent for useful model №100479, CL B61K 9/08, publ. 2010).
Disadvantages of the system are:
- a large number of measuring devices and the presence of lateral movement with the carriage, and so is vodom with laser meter for measuring holes complicates the system and the measurement process, increases the loop;
- a large number of measuring devices in the transverse direction of the guide line and the large dimensions of the system does not allow the measurement of parameters of the two sleepers at the same time, which is installed on the production line, which requires an increase in time of the working cycle and reduces the performance and efficiency of the system.
The technical result of the invention is the simplification of the system and process of measuring and improving the performance and efficiency of the system by providing the possibility of measuring parameters of two or more of the sleepers at the same time.
This technical result is ensured by the fact that the system of automated control of geometrical parameters of the sleepers, contains mounted on the frame of a linear guide with a movable carriage of the actuator with a sensor for measuring the movement on the carriage mounted laser profilometers for measuring concrete sleepers can be moved to change the position of the conveyor; as laser profilometers use mounted on a bracket laser scanners with a laser transmitter and two receivers of the reflected signal, which is installed in the laser scanners, angle, symmetrically with respect to the optical axis of the laser emitter, and preemnichestva the reflected signal at the same time the same cross-sectional concrete sleepers; on the carriage fixed at least two laser scanner for simultaneous measurement of two or more concrete sleepers.
In Fig.1 shows the end view on the linear guide system, and Fig.2 is a side view of the linear guide.
The system of automated control of geometrical parameters of the sleepers, containing mounted on the frame 1 of the linear guide rail 2, with the movable carriage 3 from the actuator 10 with a sensor for measuring displacement 11, on the carriage 3 mounted laser profilometers for measuring concrete sleepers 7, 8 can be moved to change the position of the conveyor 9; as laser profilometers use mounted on a bracket 4 laser scanners 5, 6 with one laser emitter 14 and the two receivers of the reflected signal 12, 13, which is installed in the laser scanner 5, 6, angle α is symmetric with respect to the optical axis of the laser emitter 14, moreover, the receivers 12, 13 of the scanner 5 simultaneously reads the reflected signal of the same cross-sectional concrete sleepers 7, and the receivers 12, 13 of the scanner 6 simultaneously reads the reflected signal of the same cross-sectional concrete sleepers 8; on the carriage 3 via a bracket 4 secured at least two of the laser scanner 5, 6 for simultaneous measurement of two or more concrete sleepers 7, 8.
Systems for the automated control of geometrical parameters sleepers works as follows.
Before carrying out measurements in accordance with the technology of concrete sleepers 7, 8 conveyor 9 are installed in the position of their measurement, with a remote control system command is issued to activate the actuator 10 automated longitudinal linear movement of the carriage 3 with the laser scanner 5, 6, and starts the scanning of concrete sleepers 7, 8. Depending on the number of measured parameters of concrete sleepers 7, 8 the number of laser scanners 5, 6 may be one or two for one scanned concrete sleepers, and the number of simultaneously scanned concrete sleepers can be from one to two or more depending on the technological process. When moving the carriage 3 and the simultaneous movement of the laser scanner 5, 6 are measured many dimensional cross-sections along the entire length of concrete sleepers 7, 8, under which specialized computer software builds three-dimensional models of concrete sleepers 7, 8, to compute all the necessary geometrical parameters. The use of scanners 5, 6 of the two receivers 12, 13 and one laser emitter 14 when reading profile sleepers eliminates the influence of the shadow areas when constructing a three-dimensional model, to improve the accuracy of measurement, to simplify the measurement process, reduce p is peppery dimensions measuring equipment, to improve the performance and efficiency of the system by providing the possibility of measuring parameters of two or more concrete sleepers 7, 8 at the same time.
The system of automated control of geometrical parameters of the sleepers, containing mounted on the frame of a linear guide with a movable carriage of the actuator with a sensor for measuring the movement on the carriage mounted laser profilometers for measuring concrete sleepers can be moved to change the position of the conveyor, characterized in that the laser profilometers use, mounted on a bracket laser scanners with a laser transmitter and two receivers of the reflected signal, which is installed in the laser scanners at an angle symmetrically with respect to the optical axis of the laser emitter, and the receiver reads the reflected signal at the same time the same cross-sectional concrete sleepers; on the carriage fixed at least two laser scanner for simultaneous measurement of two or more concrete sleepers.
SUBSTANCE: method employs a laser beam consisting of pulses with duration of not less than 1 ns, which are generated from a plurality of waves by phase synchronisation and interference. Laser pulses with duration of 1 ns or less are generated by synchronising mode components and coherent interaction thereof on a propagation path. Pulse-periodic optical pulses are generated from the plurality of continuous mode components, wherein the repetition of said pulses is determined by the spectral composition of the laser radiation. The pulse sequence is detected by a photodetector as presence (or absence) at given moments in time of a radiation pulse by chirping the spectral frequency of the laser radiation. A binary code is generated to transmit information.
EFFECT: longer range of optical communication owing to improved transmission of signals through attenuating portions of a path.
FIELD: physics, optics.
SUBSTANCE: invention relates to instrument-making and is intended for forming laser raster of control systems, laser aiming devices and can be used in controlling, landing and docking aircraft, guiding ships through complex shipping channels, detecting optoelectronic devices from "flare" and remote control of robotic devices. The method of forming laser raster is based on successive diffraction of a laser beam at two acoustooptical deflectors mounted in series and turned by 90 degrees relative to each other, where high-frequency control signals f1(t)and f2(t) are transmitted to the control inputs of said deflectors and where the laws of variation of said signals are given in the form of linear variation of control frequencies, and the number N of rows or (and) columns is selected as an integer value based on the condition N=k·Tc/τ, where k=1.0-2.5, Tc is the row formation time, τ is the time constant of the deflector, calculated as τ=d0/ν, d0 is the light aperture of the deflectors, ν is the acoustic wave speed.
EFFECT: high uniformity of laser raster intensity, high information value of the laser system and enabling the turning of laser raster about its centre.
SUBSTANCE: electronic space scanning method includes projecting structured laser illumination formed by multiple laser line generators lying at fixed angles relative to each other, detecting said illumination with a matrix photographic recorder which successively captures frames with illumination and without illumination for subsequent background differentiation, transmitting an image of the illumination lines to a computing device and determining, by the computing device, a three-dimensional scene image using a triangulation method. Scanning is carried out by successively turning on one or more structured laser illumination lines.
EFFECT: obtaining a three-dimensional model of a scene portrait.
FIELD: oil and gas industry.
SUBSTANCE: system includes a network of fluorescent lidars installed at oil and gas producing platforms, tankers transporting oil and vessels servicing the field; a network of automatic floating and monitoring complexes (MC) installed at the distance from the remote the oil and gas producing platform, and each complex comprises water-contacting sensors for registration of hydrocarbons, physical and chemical and hydrologic parameters of water and a submerged water-tight buoy placed, in particularly, under ice and containing a programmable controller with systems for acquisition, preliminary processing and transmission of data generated by the MC sensors; as well as a united automated information system (IS) with functions for acquisition, processing and storage of data generated by lidars and floating MCs. In the preferred embodiments the MC includes a fluorescent lidar placed in a submerged buoy having in the upper part a window transparent for probe and backscattered radiation.
EFFECT: development of a reliable system for early detection and monitoring of emergency oil spills at facilities of the offshore oil and gas field, including complicated conditions of in the Arctic region.
22 cl, 2 dwg
SUBSTANCE: submersible complex of monitoring of water bodies comprises a measuring buoy which is in immersion, particularly in the under-ice position, with a set of sensors contacting with water, which measure the physical and chemical and hydrological parameters of water, a compact fluorescent lidar placed inside the sealed buoy, programmable controller with the systems of collecting, preliminary processing and transfer of data generated by the sensors contacting with water and the lidar to the remote interfaces of the information system, at that the buoy has an optical window transparent for probing and reverse radiation, equipped with a cleaning brush and a screen that minimises ambient light.
EFFECT: providing automated obtaining and processing of a wide range of data on the parameters of surface waters with subsequent forecast of change in their condition, with high reliability, recognition and identification of various contaminants, notification of personnel of the controlled water bodies on increase in allowable levels of pollution and release of information required to make effective management decisions aimed at minimising the environmental risks.
14 cl, 2 dwg
SUBSTANCE: apparatus for acoustic presentation of spatial information comprises a signal generator, a radiation channel amplifier and a transmitter, right- and left-side ultrasonic transducers, first and second analogue-to-digital converters (ADC), first and second memory units, first and second digital-to-analogue converters (DAC), first and second amplifiers, right- and left-side headphones. The apparatus also includes a clock-pulse generator, first and second frequency dividers and a delay unit, first and second switches, a counter, first and second sets of scaling-temporal filters, as well as first and second adders. Outputs of the first and second memory units are connected to data inputs of the first and second sets of scaling-temporal filters, respectively, and outputs of the first and second adders are connected to the first inputs of the first and second DAC, respectively. The apparatus includes series-connected user acoustic analyser analysis unit (UAAAU), third memory unit and multiplexer, the outputs of which are connected to control inputs of the first and second sets of scaling-temporal filters; the second output of the UAAAU is connected to the second input of the multiplexer, and the input of the UAAAU is connected to the output of the clock-pulse generator.
EFFECT: improved object recognition.
FIELD: weapons and ammunition.
SUBSTANCE: invention relates to arms, namely to design of contact-free fuses of jet ammunition. Device includes two or more receiving-emitting channels positioned around longitudinal axis of device, each of which includes an electronic unit, an optic emission pulse source and a photoreceiver, all connected to the electronic unit. The optic emission source and the photoreceiver forming a receiving-emitting channel are positioned mainly close to each other. Optical axes of optical emission pulse source and photoreceiver are parallel and oriented at < 90° angle towards longitudinal axis matching movement speed vector of the object on which the device is mounted. Required number of emitters is determined by the ratio: n ≥ 2π/(α+b/R), where: n is the number of emitters; α is divergence angle of emission beam; b is the minimum dimension of approaching object; R is a definite measured distance between objects.
EFFECT: enhanced accuracy of determination of moment when a definite distance between objects drawn together is achieved, improved interference protection, reduced weight, dimensions and power consumption.
SUBSTANCE: underwater video filming is carried out with a narrow frontal laser illumination of the organisms. The organisms observed in the frame are counted using a computer analysis of images in the video file or visually. At that all the organisms in the scanned water column are continuously recorded, and the individual depth of location and size of each organism, as well as the vertical distribution of the organisms of each size group are determined.
EFFECT: improvement of accuracy determining the vertical distribution of planktonic organisms and their dimensional structure.
FIELD: radio engineering, communication.
SUBSTANCE: method involves scanning space by turning an active spacecraft rigidly fitted with a laser locator on a pitch or yaw channel until a passive spacecraft is detected. The beam width of the probing radiation of the laser locator in the scanning direction is minimal, and in the perpendicular direction, its divergence angle is equal to the angular dimension of the field of view. The passive spacecraft is detected in the instantaneous field of view of a multi-element receiver of the radiation of the laser locator. This field coincides with the beam pattern of the laser locator.
EFFECT: high reliability by excluding optical and mechanical scanning using moving components.
FIELD: radio engineering, communication.
SUBSTANCE: system comprises a laser, a double-coordinate acoustic-optical deflector, comprising the first and second anisotropic acoustic-optical cells turned relative to each othe by 90°, the third anisotropic acoustic-optical cell, a telescope and a measuring channel, made of a polarising light-dividing unit, a telescopic system, two pairs of optical wedges, a position sensitive photodetector, a wave plate λ/2 and an optical splitter. Downstream the double-coordinate acoustic-optical deflector there is a polarising light-dividing unit installed with a roof, consisting of a prism in the form of a parallelogram BS-0 with the following components glued to radiation-deflecting faces - a triangular rectangular prism AR-90 and a prism in the form of a parallelogram BkS-0 with a roof on an inclined face, and downstream the third anisotropic acoustic-optical cell there is an optical splitter with a roof representing a prism in the form of a parallelogram BS-0 with the following components glued to radiation-deflecting faces - a triangular rectangular prism AR-90 and a triangular rectangular prism 9 BkR-180 with a roof on a cathetus. The wave plate is installed on the way of radiation propagation as it is reflected from the roof of the polarising light-dividing unit.
EFFECT: increased stability of system operation.
SUBSTANCE: system of installation of a previous element, then the subsequent element into a base comprises a setting stand with a displacement direction, at least one measuring post installed at the first sign for topographic survey and a unit for direction of the setting stand movements. The method of installation of a previous element, then the subsequent element into the base consists in the fact that at first nominal positions are identified, in which the elements are to be installed into the base, depending on a theoretical trajectory. Then absolute error is determined in position of the previous element relative to the nominal position, into which the previous element is to be installed. Afterwards the setting stand is automatically sent to the assigned position, in which the subsequent element is to be installed, depending on absolute error of positioning determined for the previous element, to reduce the relative error of the subsequent element positioning relative to the previous element.
EFFECT: reduced relative error of installed elements positioning.
9 cl, 4 dwg
SUBSTANCE: invention relates to metrology and can be used for automated control of the rail deflection, for example, in straightening the rail prior to welding the seamless rails. The device incorporates a measuring platform accommodating three optical pickups to keep its front and rear ends and centre, and a measuring device connected to the said pickups. The device comprises also the strips optically contrast relative to the rail surface, arranged on the platform beneath the rail, and a mechanism shifting the rail relative to the immovable measuring platform. The optical pickups are shadow column instruments to record the rail shadow projection against the background of the contrast strip.
EFFECT: possibility of measuring vertical and horizontal rail deflection in straightening.
6 cl, 3 dwg
FIELD: railway transport; track gauge measurements.
SUBSTANCE: proposed multipurpose gauge contains rod, fixed and movable stops, handle with tie-rod guide, device for determining railway track gauge with scale and device for determining distance between working faces of core and guard rail and distance between working faces of check rail and guard rail furnished with scales, respectively, carriage for checking ordinates of transition curves, width of troughs and side wear of rail head furnished with end piece with scale and mating with scale on tie-rod. Proposed method of checking comes to the following: check measurement of gauge is carried out by means of carriage whose end piece is fixed relative to CHECK position notch made on end piece. Then carriage is shifted to side of movable stop until end piece comes in contact with side working face of rail head and readings are taken from carriage scale relative to GAUGE CHECK position notch found on rod. Then gauge is measured by known method. Difference between readings obtained by known method and check measurement should not exceed gauge measurement error. Correspondence of readings is determine by comparing track gauge measurements and measurements of distance between core and guard rail or measurement of distance between check rail and guard rail. Difference between any values of gauge readings and distance between working faces of core and guard rail or distance between working faces of check rail and guard rail should be fixed.
EFFECT: improved maintenance of track gauge and quality of measurements.
FIELD: applications of measuring apparatus or devices for track-building purposes.
SUBSTANCE: control method involves setting survey points and determining coordinates of above points in X, Y, Z coordinate system; placing measuring station near structure and determining measuring station position in X, Y, Z coordinate system relative at least one survey point; determining distance and angle between above insertion device and measuring station with the use of above measuring station; calculating insertion device position on the base of above distance and measuring station position; moving insertion device to provide coincidence of above members with predetermined member insertion points along insertion axis. Insertion device comprises lever, which may perform longitudinal and rotational movement in three mutually perpendicular directions. The lever holds members to be inserted in the base and comprises mirrors to determine positions of the lever and the members in three dimensions with the use of measuring station.
EFFECT: increased accuracy and speed of insertion device arrangement on the base, simplified usage and reduced cost.
11 cl, 5 dwg
FIELD: railway transport; measuring facilities.
SUBSTANCE: invention relates to special purpose devices for measuring separate geometric parameters of reinforced concrete ties, i.e. propelling and canting of rail flats on reinforced concrete ties. Proposed device contains housing 1 with fitted-on transport handle 2, right-hand support 3 and left-hand support 4. First support screw 5 and second support screw 6 are installed on right-hand support 3, third support screw 7 and fourth support screw 8 are installed on left-hand support 4, right-hand catcher 9 and left-hand catcher 10 are installed on ends of housing 1, sensor 11 is secured on first support screw 5. Housing 1 carries also right-hand orientation handle 13 with pushbutton 15 and left-hand orientation handle 14. Base 16 is fastened in central part of housing 1, controller 17 and supply compartment 18 being secured on base 16. Device for measuring rail flat canting contains housing 1 with fitted-on transport handle 2, right-hand support 3 and left-hand support 4. First support screw 5 and second support screw 6 are installed on right-hand support 3. And third support screw 7 and fourth support screw 8 are installed on left0hand support 4. Right-hand catcher 9 and left-hand catcher 10 are installed on ends of housing 1, first sensor 11 is secured on first support screw 5, and second sensor 19 is installed on fourth support screw 8. Housing 1 carries right-hand orientation handle 13 with pushbutton 15, and left-hand orientation handle 14. Base 16 with fitted-on controller 17 and supply compartment 18 is secured in central part of housing 1. Moreover, support 21 is connected to housing 1 through vertical rods in central part.
EFFECT: improved efficiency of measurements, increased accuracy and provision of operative measurement of parameters under checking.
3 cl, 2 dwg
FIELD: railway transport; permanent way facilities.
SUBSTANCE: invention is designed for checking parameters of track. Proposed track gauge contains housing, device for measuring gauge width with movable and fixed stops to thrust against rail heads, rail level measuring device and device to measure ordinates and grooves of switches. Including vernier with stop to thrust against head of move-off rail or counterrail and interacting with digital indicators on gauge housing. Vernier is provided with additional stop to thrust against non-worn-out part of rail head. Rail side wear detector interacting with vernier is installed on gauge housing.
EFFECT: enlarged operating capabilities of track gauge, reduced errors in measurement.
2 cl, 3 dwg
SUBSTANCE: method comprises inspecting a portion of a railway line using a magnetic flaw detector mounted on a flaw detector car; identifying defects and structural components (bolt and welded joints of rails, metal rail plates etc), signals from which and positions of which are stored in a test card; using data on the structural components of the railway line for navigation during ultrasonic flaw detection of the same portion of the railway line; detailed analysis of objects identified by the magnetic flaw detector using an ultrasonic flaw detector; correcting the test card based on the flaw detection results.
EFFECT: high accuracy, quality and rate of detecting defects on rails.
2 cl, 5 dwg