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88 results about "Theodolite" patented technology

A theodolite /θiːˈɒdəlaɪt/ is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying, but they are also used extensively for building and infrastructure construction, and some specialized applications such as meteorology and rocket launching.

System for determination of line and level for trenchless construction

A line and level determination system for a trenchless construction apparatus has a block assembly which is attached by welding to a lead casing to be installed with the trenchless construction apparatus. The block assembly has a water inlet, a water outlet, a tilt sensor and a light emitting device disposed within the water outlet. A water hose has a first end attached to the water inlet and a second end attached to a water source. The line and level determination system has a controller connected to the tilt sensor and the light emitting device. The controller selectively energizes the tilt sensor and the light emitting device. Data from the tilt sensor is displayed on a screen of the controller. A surveying instrument, such as a theodolite, may be utilized to determine line from the illumination of the light emitting device into the casing.
Owner:PLG TECH INC

A large-scale flap machining center flap precision adjusting method

The present application relates to the technical field of installation and debugging of plate turning machining center, and discloses a large plate turning machining center plate turning precision adjustment method, comprising the following steps: step S1, pad iron pre-installation: installing adjustable pad iron on the back of the workbench base, and installing bottom pad iron on the bottom of the workbench base; step S2, initial adjustment: adjusting the adjustable pad iron to the middle value of the full stroke; adjusting the bottom pad iron to the three-equal-part strength state; ensuring that the foot rod is located at the center of the workbench base hole; and adjusting the adjustable pad iron on the upper end of the workbench base to be close to the two sides, wherein the present application adopts the adjustment sequence from the middle to the two sides and the corresponding upper and lower adjustment sequence, avoids stress concentration, solves the precision deviation problem caused by the chaotic existing adjustment sequence, clearly defines the torque parameters and precision standards of each link, avoids human operation differences, significantly improves the repeated precision, combines multiple detections of the theodolite, collimator and electronic level, sets a three-day continuous re-inspection mechanism, effectively avoids precision drift, and ensures the long-term operation stability of the equipment.
Owner:SHENYANG JINGRUI CNC MACHINE TOOL

Coaxial catadioptric infrared cryogenic optical system and its assembly and testing method

ActiveCN120686455BTheodoliteImaging quality
The application discloses a coaxial folding and reflecting type infrared cryogenic optical system and a mounting, adjusting and testing method thereof. The optical system is composed of a main optical system, a main system support frame, a rear optical path infrared lens group, an infrared lens group lens seat and a rear optical path mounting bottom plate. In order to improve the adjusting precision and simplify the adjusting freedom, precise adjusting equipment such as an interferometer, a laser tracker, a centering instrument and a theodolite is adopted, the main optical system and the rear optical path infrared lens group are first adjusted as independent units and then are precisely integrated and tested. In order to reduce the testing period and cost of the cryogenic optical system, a testing compensation lens is inserted into the cryogenic optical path, so that the cryogenic optical system can be imaged and tested and the image quality can be evaluated in a normal temperature and pressure environment. The method has the advantages of simple principle, high precision, short period and low cost and is suitable for the mounting, adjusting and testing of the coaxial folding and reflecting type infrared cryogenic optical system.
Owner:SHANGHAI INSTITUTE OF TECHNICAL PHYSICS CHINESE ACADEMY OF SCIENCES

High-precision control method for optical parameters of off-axis spliced sub-lens of primary lens of large astronomical telescope

The invention discloses a high-precision control method for optical parameters of an off-axis spliced sub-lens of a primary lens of a large astronomical telescope, and belongs to the field of advanced optical manufacturing and detection. According to the method, precise adjustment of a detection light path is achieved through different diffraction function areas of computer generated holography (CGH), and high-precision control over the curvature radius and the off-axis amount of an off-axis sub-mirror is achieved by combining distance measurement of a laser tracker and angle measurement of a theodolite. The method specifically comprises three stages of inspection light path coarse adjustment, fine adjustment and light path parameter measurement and processing, optical element space attitude adjustment is guided through a diffraction reference point of the CGH, and finally off-axis sub-mirror surface shape and optical parameter information are obtained. According to the invention, the problem of installation and adjustment precision in the detection of the large off-axis aspheric reflector can be effectively solved, and reliable technical support is provided for the manufacturing of the primary mirror and the spliced secondary mirror of the astronomical telescope.
Owner:NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE

Omnibearing angle measurement engineering construction measuring device

The utility model discloses an all-directional angle measurement engineering construction measuring device, which relates to the technical field of engineering surveying, and comprises a triangular bracket, a placing seat is arranged on the triangular bracket, a theodolite main body is rotatably arranged on the placing seat, an observation eyepiece is arranged in the middle of the upper end of the theodolite main body, and an observation lens is arranged on the observation eyepiece. According to the theodolite disclosed by the utility model, through the synergistic effect of the bidirectional threaded rod, the sliding piece, the adjusting block and the clamping plate in the adjusting assembly, the angle of the observation eyepiece can be accurately fixed, and in engineering construction measurement, the observation eyepiece can be accurately adjusted, so that the measurement accuracy is improved, and the measurement precision is improved. And the device can ensure that the angle of the observation eyepiece cannot be changed due to external force interference or self-looseness in the measurement process, so that the accuracy and the reliability of measurement data are ensured, and a reliable measurement basis is provided for construction engineering.
Owner:SHANGHAI MUNICIPAL HIGHWAY ENG TESTING CO LTD

Large-field-of-view swing-scanning type drop point miss distance extraction method based on background splicing

The invention relates to the field of image processing, and discloses a large-view-field sweep type drop point miss distance extraction method based on background stitching. According to the implementation scheme, the method comprises the following steps: 1, before a task, determining and searching a large-view-field area, and calculating a single-view-field view field angle; 2, slowly and horizontally scanning from left to right by the photoelectric theodolite, and splicing a background; 3, after the task is started, staring a preset drop point view field by the photoelectric theodolite, detecting a smoke column in a neighborhood on a horizon line, and extracting a drop point; and 4, outputting the drop point miss distance during staring or sweeping. According to the method, a background splicing-based large-field-of-view frame difference method and a strategy of staring detection first and then sweep detection are adopted, and the drop point miss distance is extracted by using the smoke column position. The method improves the detection capability of the target drop point of the visible light target in the target range.
Owner:QINGDAO XINGDAO XINT TECHNOLOGY CO LTD

Auxiliary observation device for theodolite

The utility model discloses an auxiliary observation device for a theodolite, which belongs to the technical field of surveying and mapping instruments, and comprises a mounting cylinder, an auxiliary observation device and an auxiliary observation device, the connecting seat is detachably connected with the mounting cylinder, two mounting surfaces are arranged on the connecting seat, and a reflecting mirror in the shape of a straight triangular prism is jointly embedded into the two mounting surfaces; the cover plate is detachably arranged on one of the mounting surfaces, an observation opening is formed in the cover plate, and a transparent lens is arranged in the observation opening; according to the scheme, an observer only needs to bend to lower the head and overlook the observation opening for observation, so that the observer is converted from head-up eyepiece observation to overlook observation, which is different from the mode that the observer squats or half squats to make the eyes and the eyepiece translate, the observation is more convenient, the comfort of the observer is improved, and the observation efficiency is improved. In addition, the situation that the observation effect is affected due to the fact that observers shake during observation is avoided, the observation accuracy is improved, and high practicability is achieved.
Owner:CHINESE PEOPLES LIBERATION ARMY ARMY ARTILLERY & AIR DEFENSE ACAD

A control system index evaluation method based on external fine measurement mode

The present application relates to a kind of control system index evaluation method based on external fine measurement mode, first based on analog star body builds external fine measurement system, provides control system index evaluation system environment.The angle between the two pointing target angles before and after the theodolite calibration analog star body maneuver is recorded The total time of maneuver, verify attitude control maneuver speed index.Using autocollimator measure the angle change of the initial pointing position of load simulator and the return position after maneuver, calculate the angle difference between the two stable positions before and after maneuver, combined with system error and random error, verify the attitude control precision index of control system.Using dual-frequency laser interferometer and analog star body form stable interference measurement optical path, from the imaging start time to the imaging end time, the stability of the real-time data measured by dual-frequency laser interferometer Angle, verify the attitude control stability index of control system, realize the index evaluation of spacecraft control system through external fine measurement mode, reduce professional requirements, good universality.
Owner:BEIJING INST OF CONTROL ENG

tripod

ActiveCN309885333STheodoliteLaser tracker
1. The name of the design product: tripod. 2. The use of the design product: used for fixing, buffering and height adjusting of instruments and equipment such as laser tracker, measuring arm, theodolite, etc. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 1.
Owner:SEASUN IND SUPPLY CO LTD

Dynamic index identification device and method for photoelectric theodolite

PendingCN121855572AMeet the needs of dynamic indicator identificationprecise positioningMeasurement devicesEnergy saving control techniquesTheodoliteEngineering
The invention provides a dynamic index identification device and method for a photoelectric theodolite. The dynamic index identification device comprises a plurality of flowing water lamp strip combinations, a main control module and an instruction sending module, and the flowing water lamp strip combinations and the main control module are in communication connection through the instruction sending module; the flowing water lamp strip combination comprises a plurality of flowing water lamp strips which are uniformly distributed on a flexible lamp strip, and is used for simulating target movement under the control of the main control module; the main control module can adjust the position, the speed and the acceleration of the flowing water lamp strip by issuing a control instruction, generate motion data of the simulation target relative to the photoelectric theodolite to be tested, receive measurement data of the simulation target measured by the photoelectric theodolite to be tested after the motion data meets the identification requirement, and send the measurement data to the control module. And comparing the measurement data with data corresponding to the control instruction to obtain a dynamic index identification result of the photoelectric theodolite to be detected. According to the invention, the speed and acceleration can be flexibly adjusted, the target can be accurately positioned, and the dynamic index identification requirement of the photoelectric theodolite can be met.
Owner:中国人民解放军95859部队

A high-precision calibration method, device and equipment for mapping camera interior orientation elements and a storage medium

The application provides a high-precision calibration method, device and equipment for mapping camera interior orientation elements and a storage medium. The method comprises the following steps: firstly, using a collimator and an electronic theodolite to independently calibrate the rotary table angle positioning error and the parallel light tube optical axis pointing deviation, respectively, to generate an error correction model and a space angle matrix, and converting the device system error into a known quantity that can be compensated; secondly, using a positive and negative mirror center-finding method to iteratively converge to determine the accurate intersection point of the sight axis and the target surface as the main point initial observation value and the sight axis reference angle, and eliminating the uncertainty of the main point; finally, starting from the reference angle to perform full field scanning and collection, and jointly substituting the corrected angle data, the angle matrix and the main point observation value into the collinearity condition equation for overall adjustment solution, so that the interior orientation elements and the distortion parameters purely reflecting the characteristics of the camera itself are solved under the premise that various system errors have been stripped one by one.
Owner:XIAMEN TIANWEI TECH CO LTD

Precision multi-point sensor position and attitude calibration brackets

ActiveUS12698988B2TheodoliteTotal station
Disclosed herein are systems, methods, and apparatuses for calibrating sensors of automated vehicles using calibration targets. A bracket holds the calibration targets and attaches to the automated vehicle proximate to a sensor being calibrated. For some sensors, such as GNSS antennas or similar device for receiving location data from a GNSS, a two-target bracket is fixed at the top of the automated vehicle, nearby the GNSS antenna. For IMUs or similar sensors, a three-target bracket is fixed at location of the automated vehicle proximate to the particular IMU, such as a passenger cabin or on the chassis of the automated vehicle. The calibration targets include a retroreflective surface that reflect signals, such as infrared signals, back to a theodolite (or total station). The theodolite or computer includes preprogrammed offset values indicating the relative positions of the sensor being calibrated and each of the calibration targets of the bracket.
Owner:TORC ROBOTICS INC

Large complex optical-mechanical system integrated space pose positioning method and system

PendingCN121804418AUsing optical meansTheodolitesTheodoliteAutocollimation
The invention discloses a large-scale complex optical-mechanical system integrated space pose positioning method and system, which are used for solving the problems of poor initial positioning precision and low efficiency caused by a built-in optical element and no exposed measurement basis in a modularized optical system. The method comprises the following steps: measuring a reference surface of an optical machine main body through a laser tracker to establish a global space coordinate system, and aiming through at least two auto-collimation theodolites and establishing a global angle coordinate system according to a global accurate measurement mirror; the method comprises the following steps: arranging a plurality of cooperative target seats and accurate measurement mirrors on a target module, and respectively acquiring actual spatial positions and angle postures of the target module under a global coordinate system; and comparing the actually measured pose with the theoretically designed pose, and manually adjusting the target module by using a six-degree-of-freedom adjusting mechanism until the pose deviation meets the tolerance requirement, thereby finally realizing rapid and accurate initial positioning. The method does not depend on an exposed optical surface of the module, and the installation and adjustment efficiency and reliability are remarkably improved.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Method for adjusting optical axis of large-caliber shipboard multi-spectral oil spill photoelectricity

The application discloses a kind of super-large caliber shipborne multispectral oil spill photoelectric optical axis adjustment methods, first, collimator theodolite and large-caliber collimator are aligned;Multispectral oil spill photoelectricity is placed between large-caliber collimator and collimator theodolite;Then, the high-power ultraviolet laser in cassegrain detection system is replaced by collimating 780nm light source, and the light emitted by collimating 780nm light source is focused to the target surface center of large-caliber collimator;Finally, by adjusting the position of multispectral oil spill photoelectricity, the optical axis of visible light imaging system and the optical axis of emission light path are parallel in order, the optical axis of mid-wave infrared imaging system and the optical axis of visible light imaging system are parallel, the optical axis of laser range finder and the optical axis of mid-wave infrared imaging system are parallel, to realize the optical axis adjustment of multispectral oil spill photoelectricity.The application can complete the optical axis adjustment of multispectral oil spill photoelectricity on the basis of existing caliber collimator, without the need to increase other equipment, reduce cost.
Owner:HEBEI HANGUANG HEAVY IND

Method for rapidly controlling folding deflection of block in dock

The invention relates to the technical field of ship modification, and discloses an in-dock block closure deflection rapid control method, which comprises the following steps of: 1, determining parameters of a block to be closed; step 2, adjusting ballast water; thirdly, the block to be folded is hoisted in; fourthly, sinking control is conducted on the hoisted block; 5, a cloud rail trolley is adopted to conduct fine positioning on the block; sixthly, the horizontal datum line of the block is adjusted in an auxiliary mode through a laser theodolite; seventhly, the second step to the sixth step are repeated from back to front, the warehouse block is sequentially hoisted, and finally the original ship bow block is hoisted until all the blocks to be folded are positioned; according to the method, through cooperative work division of the laser theodolite and the cloud rail trolley, the docking period is shortened, the block hoisting sequence from back to front is combined, the base line condition of the positioned block is dynamically monitored in real time through the laser theodolite erected at the tail after each block is hoisted, deviation accumulation and later reworking are avoided, and the quality risk is greatly reduced.
Owner:CHENGXI SHIPYARD

Ground space pointing accuracy test method for large defocus two-dimensional tracking detection system

The application discloses a ground space pointing precision testing method for a large-defocus two-dimensional tracking and detecting system, and solves the technical problem that the existing space pointing precision testing method for a two-dimensional tracking and detecting system is not applicable to the space pointing precision testing of a large-defocus two-dimensional tracking and detecting system, and comprises the following steps: adjusting the azimuth angle and the elevation angle of the large-defocus two-dimensional tracking and detecting system to be 0 degrees, aiming at the large-defocus two-dimensional tracking and detecting system by using a first autocollimation theodolite, adjusting the position of a second autocollimation theodolite, aiming at the large-defocus two-dimensional tracking and detecting system, then mutually aiming at each other by the first autocollimation theodolite and the second autocollimation theodolite, and finally calculating the space pointing azimuth error and the elevation error of the large-defocus two-dimensional tracking and detecting system according to the measured azimuth angle and the elevation angle.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

theodolite (civil engineering)

1. The name of the design product: theodolite (civil engineering). 2. The use of the design product: theodolite for engineering measurement. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Owner:JIANGXI COLLEGE OF ENG

Engineering angle bisector

The application relates to an engineering angle bisector for measuring an angle bisector of an angle formed by a target object in a triangular position relationship, which comprises a fixing module arranged on the target object, a measuring module arranged on the fixing module and used for measuring the angle formed by the target object, a laser module arranged on the measuring module and used for indicating the angle bisector of the target object, and observation target modules arranged on the two sides of the measuring module and used for assisting positioning. The measuring module and the laser module are installed on the target object through the fixing module, the two observation target modules are installed on the reference objects on the two sides of the target object as the auxiliary positioning points of the measuring module to determine the measuring angle, and the laser module indicates the angle bisector of the target object. The measuring method is simple, the structure is simple and convenient to carry and use, a theodolite or a total station is not needed for measurement, and the problem that the angle bisector determination operation is complicated when the target object is too large in volume or too high in height in current engineering construction is effectively solved.
Owner:CHINA RAILWAY ELECTRIFICATION ENGINEERING GROUP CO LTD +1

Astronomical science popularization explaining device

The invention belongs to the technical field of astronomical science popularization, and discloses an astronomical science popularization explanation device, which controls the movement of a telescope through a motor to ensure that the telescope can position and observe a target celestial body; the motor driving system ensures that the telescope can execute pointing and tracking according to user requirements; the laser indication system adopts a high-speed horizon theodolite design, is provided with a variable-color laser and is used for indicating a target celestial body in real time according to the output of the knowledge explanation system; the embedded hardware system comprises a master controller, a motor driver, a sensor and the like, and is responsible for overall operation and control of the device; the invention ensures the safe and reliable operation of the system. The laser transmitter provides a clear and stable laser beam, and the pointing mechanism can perform accurate adjustment, so that the laser beam is aligned with a target celestial body. And the celestial navigation and positioning module continuously updates the understanding of the system on the celestial sphere to realize the real-time tracking of the moving celestial body. And the safety protection mechanism protects the user and the equipment from potential hazards possibly caused by laser use.
Owner:BEIJING DONGGUAN ZHIYING TECHNOLOGY CO LTD

Level gauge for land planning and surveying and mapping of territorial space

The utility model relates to the technical field of level gauges, and discloses a level gauge for territorial space land planning surveying and mapping, which comprises a base, a through hole is arranged at the bottom of the base, a horizontal table is rotatably connected inside the base, and the lower end of the horizontal table penetrates through the through hole and is fixedly connected with a gravity ball. Positioning blocks are slidably connected to the interiors of the front, rear, left and right side faces of the base, one end of each positioning block penetrates through the base to be slidably connected with a positioning groove, the positioning grooves are formed in the outer wall of a horizontal table, a tripod is fixedly arranged at the bottom of the base, and a level gauge is arranged at the top of the horizontal table. According to the utility model, through the horizontal table, the gravity ball, the universal ball and the magnetic damper, the horizontal table rotates in the base, and the top of the horizontal table is flush with the horizontal plane and is rapid and stable; the surveying and mapping data are recorded through the theodolite I, the theodolite II and the laser range finder, so that the measurement precision and the leveling efficiency are improved.
Owner:SHANDONG HENGRUI LAND & SPACE PLANNING CO LTD

Process for controlling installation precision of multiple cylinders on conical surface

The invention discloses a process for controlling the mounting precision of multiple barrels on a conical surface. The process comprises the following steps: S1, setting out the trepanning and lofting size of an inclined surface of a cone, setting out a stable tool style, and setting out a precision detection node in a barrel section mounting process; s2, lofting on the inclined plane of the cone according to the connecting pipe; s3, a positioning hole is formed in the positioning center line of the transverse cone connecting pipe on the same side; s4, after tapping of the connecting pipes on the two sides is completed, a laser theodolite is used for scanning the tapping edges; s5, circumferential mounting angle quartering lines of the connecting pipes are marked on the connecting pipes with the coaxiality requirement in advance; s6, after the tapping inspection is qualified, the connecting pipes with the coaxiality requirement are assembled in pairs; s7, the connecting pipes need to be symmetrically welded in pairs at the same time; in production, a stable tool is used, data are detected according to a plurality of nodes, after precision deviation is found, a welding deformation control method is adopted for adjustment, the final forming precision is ensured, the installation precision of the connecting pipe on the conical shell ring is improved, and the construction cost is also reduced.
Owner:JIANGSU WATTS ENERGY ENG CO LTD

A measuring method for a wind tunnel honeycomb installation

The application provides a kind of wind tunnel honeycomb installation measurement method, comprising: the installation section of honeycomb is lofted on the inner wall of hole body and is marked;Electronic theodolite is erected, and two points are swept out on the top of hole body and are marked as two first mark points;Between two first mark points, steel wire is set, and two lead sinkers are arranged on the steel wire;The first honeycomb module at the middle position of the first layer is installed, and after adjustment, it is fixed on the hole body;Symmetrically install the second honeycomb module at the opposite sides of the first honeycomb module, and adjust;Second honeycomb module is fixed;Insert the probe into honeycomb tube;The pitch angle deviation of each point is measured;Install the honeycomb module of other layers;Electronic theodolite is erected, and measurement point is randomly selected, and base is made to be in contact with the end surface of honeycomb by precision depth gauge;The degree of precision depth gauge is measured, and the deviation of each measurement point is evaluated.The method solves the problem that it is difficult to determine the central axis due to the deformation of the hole body during assembly welding.
Owner:WUHAN YIYE STEEL STRUCTURE

Portable theodolite field calibrating device and calibrating method thereof

The invention discloses a portable theodolite field calibration device and a calibration method thereof, relates to the technical field of theodolite metering detection, solves the problems of low detection precision, complicated operation and difficult maintenance of the existing theodolite detection device, and comprises a heavy tripod, a middle shaft, a light pipe combination box, a detection device leveling mechanism and a computer, the portable theodolite on-site calibrating device is designed by taking an electronic internal focusing collimator as a core design and combining an integrated tablet computer and measuring software, has the characteristics of high detection precision and easiness in operation and maintenance, is small in size and convenient to carry and assemble, can be used for realizing on-site rapid calibration of a theodolite in various environments, and has a wide application prospect. According to the portable theodolite on-site calibrating device, the main collimator can be quickly subjected to auto-collimation calibration through the auto-collimation calibration mirror, the detection precision is improved, and the portable theodolite on-site calibrating device is simple to operate, easy to assemble and debug and simple to maintain.
Owner:AVIC GREAT WALL MEASUREMENT & TESTING (TIANJIN) CO LTD

A method for biasing a secondary null of a rotating reflector antenna

ActiveCN119726118BFix installation errorCorrection value corrects installation errorAngle measurementRadio transmissionTheodoliteRobotic arm
This invention provides a secondary null-position correction method for an offset rotating reflector antenna. First, a robotic arm is used to initially calibrate the null positions of the two axes, with the output shaft flange reference and the fixed shaft base mechanical reference as the calibration references. Second, in the component state, a cubic prism (prism accuracy not less than 5.5″) is attached to the antenna mechanism base and the Y-axis output shaft mechanical structure, respectively. A three-coordinate measuring machine is used to calibrate the error relationship between the coordinate systems of the two prisms and the mechanical reference coordinate system of the mechanism. Then, during the deployment test, a high-precision theodolite is used to measure the error relationship between the two prisms at the XY-axis (0, 0) position. The error between the Y-axis output shaft mechanical reference and the X-axis base mechanical reference is calculated using the aforementioned measurement errors, and the null-position correction value is updated. This eliminates the directional errors of the Y-axis output shaft mechanical reference and the X-axis base mechanical reference, thereby ensuring pointing accuracy.
Owner:AEROSPACE LONG MARCH LAUNCH VEHICLE TECH CO LTD

Modular tripod structure suitable for geodetic surveying

The utility model relates to horizontal measuring instrument support technical field discloses a modular tripod structure suitable for geodetic survey, including base, the bottom hinged of base has main support leg no.
Owner:马国瑞

Method for quickly and accurately adjusting center of rolling mill housing

The invention discloses a method for quickly and accurately adjusting the center of a rolling mill housing. The method comprises the following steps: manufacturing a measuring device: manufacturing a long-strip-shaped bracket; mounting a measuring device: respectively mounting a theodolite at proper positions of a central line of a rolling mill housing and a central line of a window, calibrating the theodolites with a central standard plate, mounting the measuring device in the middle of the housing needing to be adjusted, tightly attaching the head of an inside micrometer to the surface of the housing, and enabling the tail of the inside micrometer to be used for observation of the theodolites, a jack is installed at the bottom of the housing needing to be adjusted; and adjusting the center line of the memorial archway and the center line of the memorial archway window: slowly pushing the corresponding jack, so that the rolling mill memorial archway can drive the inside micrometer to slowly move towards the center line of the memorial archway together, and ensuring that the tail parts of the inside micrometers of the two sets of measuring devices coincide with the center line of the theodolite. The problem that a method for rapidly and accurately adjusting the installation position of the rolling mill housing to meet the installation requirement of the rolling mill housing is lacked at present can be solved.
Owner:SHANGHAI ERSHIYE CONSTR CO LTD +1

High-precision testing system and method for optical axis walking amount before and after vibration or impact test

The invention belongs to the technical field of optical detection, and relates to a high-precision test system and method for optical axis walking amount before and after vibration or impact test, and the system comprises a plane mirror, a transition plate, a collimator, an adjusting platform and a theodolite. A mounting interface for mounting the plane mirror is reserved in the transition plate, the photoelectric reconnaissance equipment is detachably connected to the top of the transition plate, the plane mirror is fixedly connected to the mounting interface, the transition plate is placed on the adjusting platform, and the adjusting platform is used for adjusting a detectable optical axis of the photoelectric reconnaissance equipment in the horizontal direction, the height direction and the inclination direction; the collimator and the theodolite are correspondingly arranged on the two sides of the adjusting platform, and the collimator, the detectable optical axis of the photoelectric reconnaissance equipment, the plane mirror and the theodolite are sequentially arranged in an aligned mode. The device can effectively detect the optical axis walking amount after equipment vibration or impact test in engineering practice, and has the characteristics of simple and feasible design, simplicity and convenience in operation, low detection cost, high detection precision, high practicability and the like.
Owner:HENAN PINGYUAN OPTO ELECTRONICS CO LTD

Integrated observation system of non-magnetic theodolite and quantum magnetic field strength meter

This invention relates to the field of seismic magnetic field measurement technology, specifically to an integrated observation system combining a non-magnetic theodolite and a quantum magnetic field strength meter. The system includes a non-magnetic observation module, a quantum magnetic field measurement module, a data integration module, a magnetic field analysis module, and an observation result reporting module. This invention generates an observation set by acquiring azimuth data from the non-magnetic theodolite, calculates magnetic induction intensity by combining this data with quantum magnetometer signals, integrates data sources to construct an observation group, analyzes data fluctuation trends and generates a report, and finally compares the data with historical records to output a complete magnetic field observation result report. By integrating a non-magnetic theodolite and a quantum magnetometer, this invention corrects azimuth angles and aligns data to address traditional measurement biases. It optimizes synchronization through time index matching and generates accurate reports based on frequency and fluctuation trend analysis. This approach avoids the data limitations of a single device and significantly improves earthquake monitoring accuracy, comprehensive analysis, and early warning capabilities.
Owner:YUNNAN SEISMOLOGICAL BUREAU

IMU coordinate system extraction method based on accelerometer and cubic mirror

The invention provides an IMU coordinate system extraction method based on an accelerometer and a cubic mirror, and belongs to a test calibration method in the field of navigation. The method comprises the following steps: respectively arranging IMUs (Inertial Measurement Units) at three positions (the X axis refers to the sky, the Y axis refers to the sky and the Z axis refers to the sky), measuring the elevation angle of a cubic mirror by using an auto-collimation theodolite when the IMUs are at each position, and recording the output of an IMU three-axis meter and the measurement result of the theodolite. According to the method, the recorded reading is processed by using a matched calibration algorithm, the precise installation deflection angle (the precision is superior to 30 '') between the IMU coordinate system and the cubic mirror coordinate system can be obtained, the IMU coordinate system is concrete and led out to a measurable entity of the cubic mirror, and the method has the advantages of being convenient to operate, accurate, small in error and high in practicability.
Owner:XIAN FLIGHT SELF CONTROL INST OF AVIC

Driving structure, theodolite thereof and astronomical observation equipment

PendingCN121477464ATelescopesTheodolitesTheodoliteAngular deviation
The invention provides a driving structure, a theodolite and astronomical observation equipment, and the driving structure comprises two groups of harmonic driving assemblies which are perpendicular to each other; wherein each group of harmonic driving assembly comprises a power source and a harmonic assembly connected with the power source; the harmonic assembly is used for transmitting power transmitted by the power source to the correspondingly connected output shaft through harmonic speed reduction; the output shafts comprise the horizontal shaft or the vertical shaft of the theodolite, each harmonic driving assembly is connected with one output shaft of the theodolite, the output shafts, correspondingly connected with the two harmonic driving assemblies, of the theodolite are different in type, a large-dead-weight lens cone can be effectively driven to rotate, the problem that an existing structure cannot drive the large-load lens cone is solved, and meanwhile the structure is simple and convenient to operate. The transmission precision of harmonic transmission is higher, the angular deviation in the driving process can be reduced, and the pointing control precision of the lens cone is improved.
Owner:ZW OPTICAL ZWO