Method of measurement of composite support rack power lines
SUBSTANCE: method of measuring the position of the rack composite transmission tower includes measuring the angle of the composite strut support is held in its two sections for further evaluation by calculation of the spatial position of a support pillar in general by the formulas: , where the y - rack deformation, x - current coordinate cross-section bar, and a and B - factors to be determined by the results of the two measurements ; .
EFFECT: improving electric power supply reliability of consumers.
SUBSTANCE: process of determination of wheels angles of the vehicle including at least one axle (12-14) with the axle end with at least one wheel element (2a-b, 3a-b, 4a-b) at appropriate lengthwise side of said vehicle. This method includes determination of departure of wheel axle from perpendicularity relative to vehicle geometrical axial line. Besides, this invention covers the system to this end. Proposed method and system allow determination of departure from perpendicularity of vehicle wheel axles. Proposed method and system allow determination of departure from perpendicularity of vehicle wheel axles and other parameters of wheels setting.
EFFECT: determination of departure from perpendicularity of vehicle wheel axles without extra appliances, for example, reference attachments.
13 cl, 3 dwg
SUBSTANCE: present group of inventions relates to measuring equipment, and can be used to check the railroad, in particular to determine deviation of the railroad from the design position. Method of check of spatial position of railroad means that using the receiving and analyzing systems two images of space adjacent to the railroad are obtained. Using the processing and control block the reference mark is detected on the obtained images, and coordinates of the reference elements of the reference mark are determined by preliminary measurements of the mutual spatial position of the check elements. Then displacement of the check elements relatively to the base point of the devices coordinate system in vertical, longitudinal and transverse directions are determined, angles of rotation of the reference mark around the vertical and longitudinal axes, as well as angle of system rotation relatively to the transverse axes is measured. Set of obtained values of displacement of each check element relative to the datum point of the devices coordinate system is compared with the pre-measured mutual spatial position of the mass elements. Based on the results of such comparison the displacements of the reference mark in vertical, longitudinal and transverse directions are determined. Correction of the obtained displacements is made considering the obtained angles of rotation, and railroad position is determined.
EFFECT: reduced error of determination of the railroad position.
2 cl, 1 dwg
FIELD: physics, navigation.
SUBSTANCE: invention relates to a method and an apparatus for maintaining geodetic direction relative to the true meridian. The solution is based on that two optical systems having reflecting surfaces are placed on independent planes having a common vertical axis of rotation and linked by an optical beam into a single unit. A retroreflector is placed on one of the planes to obtain and monitor the maintained geodetic direction. Implementation of the method and setup of the apparatus when maintaining or restoring the direction is provided by rotating the two planes about each other to enable the beam to pass from a laser mounted in one of the optical systems through a predetermined optical path.
EFFECT: solution enables to reproduce the geodetic direction in both stationary mounting conditions and mounting on a location with minimum effort.
5 cl, 18 dwg, 1 ex
FIELD: physics, optics.
SUBSTANCE: invention relates to fibre optics and can be used for measurement of the angle of deflection of controlled object surface from datum level, profile and part surface curvature in machine building. Proposed device comprises radiation source, V-like waveguide system, two comparators, photo receiver and cylindrical optical adapter. Every waveguide fitted in said adapter allows the device operation in its particular range of angular positions which cover the required operating range of control surface angular position measurements.
EFFECT: expanded operating range of control surface angular position measurements.
SUBSTANCE: angle measuring device contains lens, matrix radiation receiver with calculating unit, and geometrical reference channel (GRC) containing lighting unit optically connected with the lens, having thee lighting sources with spacing 120°, collimator unit containing three input and three output pinhole apertures, and mirror-prism block creating with the applied on it collimator diaphragms the monoblock rigidly connected with the supporting surface of the angle measuring device and made in form of a isosceles hexagon truncated pyramid, which adjacent ribs are located at angle 120° to each other, and one of bases looks on the lens; in it input and output pinhole apertures are located on the side surfaces of the mirror-prism block, additionally provided with three angle-bar reflectors installed after the appropriate output pinhole aperture ensuring radiation input to the input lens aperture by means of reflection from the looking on it smaller base of the mirror-prism block, at that specified pinhole apertures are arranged such that axis of the output beam is directed at right angle to the side surface of the mirror-prism block.
EFFECT: increased accuracy of the device at simultaneous simplification of the lens optical system and decreasing of its weight and size.
FIELD: measurement equipment.
SUBSTANCE: invention relates to the field of measuring equipment, namely to optical devices for measurement of small angular movements of object. The diffraction method of measurement of angular movements consists in that the object with the reflector installed on it is illuminated with the laser radiation and the radiation is directed through a slot, forming behind it Fraunhofer's diffraction pattern. By separating from this pattern by the second slot or by the diffraction lattice the fragment containing phase inversion lines of various orders the interferential bands are obtained using which the angular position of the object are determined. The device for monitoring of angular movements implementing the offered method contains optically connected and series placed a laser source, a beam-forming arrangement, an auxiliary mirror, a beam splitter, a reflector mounted on an object of measurement, two slots turned to the angle α with reference to each other and a photodetector. Meanwhile the second slot separated the fragment of the diffraction pattern with phase inversion lines of different orders.
EFFECT: improvement of accuracy and range of angular measurements, and also simplification of design and adjustment of the device implementing them.
3 cl, 2 dwg
FIELD: measurement equipment.
SUBSTANCE: device comprises axle-mounted flange and dial, two reading channels, device for digital processing and averaging of results from reading channels, digital indicator. The reading channels contain respectively LEDs, condensers, verniers, photodetectors and interpolators. The dial has a circular transparent zone, circular measuring scale and zero mark scale. The verniers have transparent zones and scales. During rotation of the dial the photodetectors generate the signals SIN (α×N) and COS (α×N), where α - current angle of dial rotation; N - total of scale marks of the dial measuring scale. The interpolators generate two sequences of rectangular pulses shifted with reference to each other by quarter of their period in one or another side. The device for digital processing and averaging of results from reading channels averages the data with indicating by the digital indicator.
EFFECT: improvement of accuracy and recurrence of results of measurements, improvement of convenience of operation, minimising of time for measurements, possibility of automatic measurement of difference of angles of slant of two planes.
2 cl, 4 dwg
FIELD: measurement equipment.
SUBSTANCE: invention relates to methods and devices for measurement of angles in machine building, and also to devices of spacecraft navigation. The method to increase resolving capacity of measurement of angular coordinates of a glowing reference point by values of signals and serial numbers of photosensitive elements arranged symmetrically with the specified angular pitch relative to a certain axis, consists in increased speed of signal variation by the angle of the specified photosensitive elements. The multi-element receiver of optical radiation consists from at least three photosensitive elements arranged symmetrically with the specified angular pitch relative to a certain axis, at the same time photosensitive elements have devices that increase speed of their signal variation by the angle.
EFFECT: provision of the possibility to increase resolving capacity of measurement of an angular coordinate of a glowing reference point.
3 cl, 7 dwg, 1 tbl
FIELD: measurement equipment.
SUBSTANCE: autocollimator may be used for measurement of rotation angles relative to two axes orthogonal to autocollimator lens axis using one CCD-ruler. Autocollimator includes optical system of autocollimating mark image formation based on source of radiation, located in sequence condenser, mark, beam splitter and lens, photodetector in the form of CCD-ruler with control system including sync-pulse generator, and system for processing of videosignals from low-pass filter, video pulse former and video pulse fronts former, and unit of data processing. Mark and photodetector are installed in lens focal plane. Introduced series-connected are selector, peak detector, subtractor and power amplifier. Selector input is connected to low-pass filter output, and power amplifier output is connected to radiation source. Mark is designed as a set of continuous bars forming three horizontal zones, medium of which is designed from at least one vertical bar and at least one inclined side bar. Bars height is equal to zone height, horizontal sections of mark in various zones differ by quantity of bars sections or their mutual arrangement.
EFFECT: improving accuracy, compactness and reliability.
5 cl, 3 dwg
FIELD: physics, optics.
SUBSTANCE: invention relates to optic-electronic instrument making and may be used in optic-electronic instruments (OEI) for celestial orientation, comprising a matrix photodetector with charge accumulation. The solution consists in projection of a stellar sky area onto a photosensitive site of a photodetector via an image lens in three or more spectral ranges and calibration marks with varied exposition time, identification of stellar objects images in all spectral ranges and generation of a multispectral image of stellar objects by selection for each stellar object of an image of that spectral range, the average value of amplitude in which is highest, measurement of linear coordinates of star image centres and calibration marks and recount of linear coordinates of star image centres into angular coordinates o stars in a basic instrument system of coordinates with account of results of measurements of linear coordinates of calibration mark image centres.
EFFECT: increased accuracy of measurement of angular coordinates of stars due to increased signal/noise ratio by processing of star images in separate spectral ranges.
5 cl, 1 dwg
FIELD: control-mounting systems.
SUBSTANCE: device has laser fixed in body, images forming device made in form of intersecting filaments. Body is made in form of hollow prism, provided with cone at the end. Upper portion of cone is combined with center of apertures provided in coordinate lines system. Body is mounted with possible angular displacements around aperture center. Forming device filaments are made non-transparent and fixed in frames inserted in system. Frames are placed with possible displacement independently from one another in direction perpendicular to filaments.
EFFECT: higher precision.
FIELD: optical engineering.
SUBSTANCE: device has receiving optical module placed in series with optic signal delay unit and radiation unit. Axes of receiving optical module and radiation module are aligned. Receiving optical module additionally has mesh with luminous radial lines and transparent diaphragm which is disposed in point of crossing of lines of mesh and mounted in focal plane of first objective. Device also has photoreceiver, measurement data control and registration unit, illuminator, optical unit, fiber-optic divider and fiber-optic adder.
EFFECT: improved precision of monitoring of non-parallelism of axes; widened range of application.
3 cl, 3 dwg
FIELD: nuclear power engineering.
SUBSTANCE: in order to check component 10 such as nuclear fuel pellet of any diameter and length for perpendicularity and to obtain measurement results stable with time, this component is placed on supporting surface and distances separating diametrically opposite generating lines of component from read-our rod T, T' are measured at two different levels and in two measuring planes P, P' normal to one another by means of two pairs of laser micrometers A1, A2; B1, B2. Maximal deviation of component under check from perpendicularity is calculated on them.
EFFECT: enhanced precision of component check for perpendicularity.
12 cl, 4 dwg
FIELD: electronic engineering.
SUBSTANCE: device has coordinate scale having raster and code path of which the first one is represented as a chain of windows forming regular raster and the second one is represented as a chain of code windows, reading unit having illumination unit, analyzing raster mask, raster path photodetectors, and multi-element raster path photodetector. The raster path photodetectors, and multi-element raster path photodetector are connected to recording and analyzing unit, respectively. The reading unit has analyzing code mask being two window paths arranged so that succession period is a multiple of code step and window width is equal to the code step. The windows on the paths are shifted by a value equal to half code step.
EFFECT: eliminated ambiguity in reading coordinate code; high performance and accuracy.
3 cl, 6 dwg
FIELD: hologram interferometering of a flat object.
SUBSTANCE: the mode of hologram interferometering of a flat object is in making of a double exposure hologram of the surface of the object in counter rays. Then two images of the surface of the object reconditioned by the hologram are directed in an optical system in which one after another two direct Fournier-Frenel transform are carried out, interferograms of the images of the surface of the object are fixed. The object and the interferogram are located at such distances from the lenses that the in-focus image of the surface of the object in the surface of the interferogram is made and at the expense of variations of these distances and the focal distances of the lenses, measured sizes are divided and wishful sensitivities of measurements of travel and inclination constant along the whole surface are chosen.
EFFECT: ensuring constant surface and variable sensitivity, increased range of measuring of travel and inclination.
SUBSTANCE: device has lighting device, measured object, support line, optical system, photo-detector, analog-digital converter, measuring block, position indicator and drive. Additionally inserted are spring suspension, position detector for spring suspension, drive is made in form of drive for moving suspension, suspension is kinematically connected to support line on one side and moving drive and position indicator on other side.
EFFECT: higher precision, higher speed of operation.
2 cl, 7 dwg
FIELD: technology for adjusting rows of photo-detectors.
SUBSTANCE: device for adjusting row of photo-detectors has central light-emitting mark, projection optical system, row of photo-detectors, block for selecting signals from row elements, block for determining coordinate and controlling block. Device additionally includes two pairs of light-emitting marks, four blocks for determining maximal signals and two blocks for subtracting signals, while pairs of light-emitting marks are evenly spaced from central mark, adjacent marks of each pair are directed differently and are extensions of one another and are spaced from each other along row of photo-detectors.
EFFECT: possible control during adjustment of both linear displacements and rotation around optical axis of row, improved precision, decreased time required for controlling procedures.
2 cl, 5 dwg
FIELD: instrument engineering.
SUBSTANCE: method can be used at adjustment of on-board devices at objects of different purposes to provide high precision of navigation. Error angle of incoming normal of on-board device's reflector is measured relatively its longitudinal axis. Optical axis of first theodolite is adjusted along direction of object's longitudinal axis and along direction of incoming normal of on-board device's reflector. Second theodolite is mounted on left board of object in such a manner that first theodolite could be sighted on from the second one. Optical axes of theodolites are matched when first theodolite is disposed in area of sight of object's longitudinal axis. After that optical axes of theodolites are matched.
EFFECT: improved precision.
FIELD: measuring technique.
SUBSTANCE: pickup comprises multi-mode fiber light guide connected with the part whose angle of rotation should be measured, source of coherent radiation, device for input of radiation to the light guide, and TV camera that records the distribution of intensity of output radiation. The fiber light guide is bent in a plane perpendicular to the plane of rotation. A section of light guide between the radiation source and the initial point the bend is rectilinear. The axis of the rectilinear section of the fiber light guide is positioned at a minimum distance from the axis of rotation of the part.
EFFECT: prolonged service life and enhanced reliability.
FIELD: measuring technique.
SUBSTANCE: method can be used for checking angle of divergence of light beam. Light beam, having angle of divergence to be found, is focused in focal plane where two optical wedges are disposed. Wedges diverge light half-spots in different directions; spots are imaged by projection lens in registration plane. Part of beam is deflected into plane of image of source to be disposed at distance of 2f" from focusing system where size d2 of image of source has to be measured. Source is mounted in front of focusing system at distance of 2f', where f' is focal length of focusing system. Then sizes d1 of deflected spots are measured and angle of divergence Θ is calculated from relation of sinΘ/2=-1/+2[1/f' (d2xd1/d2+-d1)], where "+" sign is chosen in case of prefocal crossing of beams and "+" sign is chosen in case the beams cross behind focal plane.
EFFECT: improved precision of measurement.