88results about "Theodolites" patented technology

The invention relates to the technical field of data processing, and discloses a 5G-A unmanned aerial vehicle track monitoring method and system for power grid inspection. The method comprises the following steps: acquiring 5G-A base station sensing data and cleaning to obtain a space coordinate sequence; converting the geographic coordinates into relative position coordinates, and performing dynamic slicing and standardization processing; extracting time sequence features through an LSTM model to determine a target category, and calculating a space deviation distance between a sensing track and a reported track; and according to the deviation distance and the matching result, determining a security situation and generating an alarm. According to the invention, accurate identification and safe controllable supervision of the low-altitude target in the power grid inspection area are realized.

A method performed by an apparatus associated with a moving object is introduced. The method may comprise obtaining data about a velocity of the moving object, a global positioning system (GPS) altitude, a GPS latitude, a GPS longitude, and a gradient associated with the moving object. The method may further comprise determining, based on integrating the data, an integrated altitude value, determining, based on the integrated altitude value, an observed inclination offset value, determining, based on the observed inclination offset value, inclination offset estimation data, automatically adjusting, based on the inclination offset estimation data, an inclination offset value of an inclinometer associated with the moving object, and outputting a signal indicating the adjusted inclination offset value.

The invention discloses a steel pipe pile support perpendicularity control device and a construction method, and belongs to the technical field of steel pipe pile construction. The device comprises a double-theodolite monitoring assembly, a hydraulic deviation correction execution assembly, a real-time data transmission assembly and a central control unit, all the assemblies work cooperatively to achieve whole-course accurate control over the steel pipe column vibration pile sinking process, and the problems that in the prior art, perpendicularity control precision is low, and adjustment lags behind are solved. The perpendicularity of the steel pipe column is monitored through the double theodolites in a 90-degree crossed mode, dynamic adjustment is achieved in combination with the hydraulic deviation correction frame, the steel pipe column perpendicularity deviation is controlled through the processes of datum positioning, graded pile sinking monitoring, real-time deviation correction and final hammer acceptance inspection, and the method is suitable for the scene of bridge cast-in-place related to high pier column support construction. And the construction safety and the engineering quality are effectively improved.

A surveying system comprises a base 3, a first alidade 7 mounted on the base and rotatable relative to the base about a first axis 9, a first optical instrument 17 mounted on the first alidade 7, wherein the first optical instrument is configured to emit a first beam 41 of measuring light, a second alidade 19 mounted on the base and rotatable relative to the base about a second axis 21, and a second optical instrument 25 mounted on the second alidade, wherein the second axis substantially coincides with the first axis. The first optical instrument includes a scanner 31, and the second optical instrument includes at least one camera 63.

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.

Range finding devices and target object management systems each having one or more features that enhance their functionality. In some embodiments, a disclosed range finding device includes a target object location area calculation unit that defines near and far edges and side edges of a target location area. In some embodiments, a disclosed range finding device is a passive range finding device that inserts a scale marker into an output image, varies the size of the scale marker in response to user actuation of a scale input, and determines the size of the scale marker and an estimated range to a target object. In some embodiments, a disclosed target object management system includes a processing unit operable to manage new location records for existing and new target objects via target object registers. Other embodiments are disclosed, as are corresponding methods and software.

Disclosed are a method and an astrophotographic apparatus for acquiring images of targets in a sky area. The method includes: step 1, an image acquisition device is driven through a controlled rotatable component to point to the position near a target in a sky area, and images of the sky area are acquired through the image acquisition device; step 2, the images of the sky area are analyzed to obtain the right ascension coordinates and the declination coordinates of the center point of images for synchronizing the coordinates to the controlled rotatable component; step 3, the image acquisition device is driven by the controlled rotatable component to point to a target position of the target right ascension coordinates and the target declination coordinates corresponding to the target celestial body to acquire the images; and step 4, an image processing is performed on the images to obtain the processed images.

The application discloses a tree breast height auxiliary measurement system and method, and relates to the technical field of breast height measurement.The navigation auxiliary module loads the navigation file of the corresponding measurement area before the measurement personnel work, and then the current all trees in the to-be-measured state are selected as the target trees in sequence to perform the auxiliary navigation, so that the target loss problem caused by the dense trees in the measurement area is completely avoided, and the real-time longitude and latitude of the tree when any tree is determined as the target tree is acquired to determine whether there is a detour, a virtual auxiliary tree is selected in front of the tree according to the determination result, and when the next measurement task is performed again, a visual guide arrow is generated to navigate to the auxiliary tree first, and then navigate to the auxiliary tree, so that the navigation interference problem of the traditional navigation caused by the failure to identify the detour demand of the forest area is effectively avoided, and the safety of the auxiliary navigation is further improved.

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.

The invention relates to the field of engineering surveying and monitoring, in particular to a scaffold body inclination monitoring device based on the Internet of Things, which comprises a plurality of sensor groups, a communication module group and a data processing device, and the sensor groups are in communication connection with the data processing device through the communication module group. The sensor group collects and uploads the inclination angle, the collection time and the longitude and latitude information of the target scaffold body along the horizontal X axis and Y axis, the data processing equipment receives and processes data, inputs a risk index R calculation formula to obtain a dumping risk index R, and judges whether an early warning signal is sent to the alarm terminal or not according to the dumping risk index R. The data processing device can also calculate the angular velocity, the angle change rate and the like, the collection frequencies of a plurality of sensor groups are aligned, a risk index R calculation formula can be adjusted through a weight coefficient change model, and the server can collect historical data to iterate the formula. The technical effects of accurately monitoring the inclination condition of the scaffold body, predicting the toppling risk and carrying out early warning in time are achieved.

The utility model provides a laser telegraph telescope system with image acquisition and display functions, which comprises a laser telegraph assembly, an image acquisition and processing assembly, an industrial lens, an industrial lens focusing mechanism, an image acquisition unit and an image processing and output unit, and the image acquisition and processing assembly is arranged at the rear end of an eyepiece of the laser telegraph assembly. The industrial lens is coaxially arranged at the rear end of the laser electric eyepiece, the industrial lens focusing mechanism is arranged outside the industrial lens and used for adjusting the focal length of the industrial lens, the image acquisition unit is connected to the rear end of the industrial lens and used for acquiring image data output by the industrial lens, and the image processing and output unit is arranged at the rear end of the image acquisition unit and used for outputting the image data. The image processing unit is electrically connected with the image acquisition unit and is used for processing and outputting image data; and the image display unit is electrically connected with the output end of the image processing unit and is used for displaying the image data. According to the utility model, telescope image acquisition and processing are added on the basis of the original laser telegraph, and are displayed through the display, so that operators can observe conveniently.

The present application belongs to the technical field of photoelectric measurement, and particularly relates to a station-target distance inversion method based on single-station image trajectory bending characteristics. The method comprises the following steps: S1: taking a single photoelectric theodolite as a measuring station, and obtaining a set of relative miss distance corresponding to a first group of target image sequences through an image processing method; S2: calculating a set of slopes corresponding to the first group of target image sequences based on an image trajectory bending feature extraction method; S3: calculating a set of first-order difference of slopes based on the set of slopes and a set of dimensionless distances, and obtaining intercepts corresponding to the first group of target image sequences; S4: obtaining intercepts corresponding to a second group of target image sequences and a third group of target image sequences respectively; and S5: selecting a corresponding branch of a Lambert W function to calculate the distance between the measuring station and a high-speed target based on the change rule of the intercepts corresponding to the three groups of target image sequences. The present application effectively solves the difficult problem of obtaining the station-target distance under single-station measurement, and has high algorithm sensitivity and low single-station measurement cost.

The invention relates to a method of repairing the surface of roads, highways, or other transport routes and earthworks in transport and civil engineering, using a method of recording and future functionality dependent adjustment of the cross-slope of the work of a construction machine depending on its spatial position, hereinafter referred to as slope replication, and a device for carrying out this method. In particular, it refers to the replication of the slope during the travel of a road milling machine or the laying of a construction layer by a road paver.

The present invention relates to a surveying instrument and method for accurately determining the distance to a, in particular retro-reflective, target in the close range for a specific setup of the surveying instrument, where the central part of the received ray bundle is shaded by a component of the optical unit of the surveying instrument. When targeting on the target in an on-target state, such as according to the state of the art, the accuracy of the distance measurement decreases in the close range, say the closer the target is located to the surveying instrument, due to spatial and temporal inhomogeneities of the beam profile. The present invention proposes to target on the target in a misaligned targeting state, such that the reflected measuring beam impinges on a part of the detector surface, which is not shaded, thereby leading to an increased measuring accuracy. By shifting the impinging position of the reflected measuring beam on the detector surface such, that it is shifted out of the shaded part of the detector, by averaging the distance measurement values of the spatially inhomogeneous beam profile. In order to further increase the measuring accuracy, the distance measuring values can furthermore be averaged over time. The present invention furthermore relates to a computer program product, wherein the computer program product is saved on a machine-readable carrier, particularly saved on a surveying instrument according to the present invention, or a computer-data-signal for the implementation of an inventive method.

The present disclosure provides a measurement method and system, a device, and a storage medium. The method is implemented by using the measurement system. The measurement system comprises a laser ranging module, an image measurement module, and a navigation module. The method comprises the following steps: acquiring measurement data of a point to be measured, the measurement data comprising first measurement data acquired from the laser ranging module, second measurement data acquired from the image measurement module, and third measurement data acquired from the navigation module; on the basis of the measurement data of said point, calculating at least one position measurement result of said point; and on the basis of the at least one position measurement result, calculating a final position measurement result of said point by using a preset measurement fusion algorithm. In the present disclosure, the measurement data of the laser ranging module, the image measurement module, and the navigation module are effectively fused, so that the accuracy of measurement of the spatial position of a point to be measured is improved.

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.

The utility model discloses a novel theodolite for surveying and mapping real estate, which comprises a triangular bracket, a base, control panels, an eyepiece, a main frame body, an objective lens, a horizontal frame and a lower jaw bracket, the base at the top of the triangular bracket is positioned and provided with the main frame body, and the front end and the rear end of the lower end of the main frame body are provided with the control panels; the novel theodolite for surveying and mapping of the real estate comprises a main frame body, an eyepiece and an objective lens are positioned and installed at the center position of the main frame body through a rotating shaft, a horizontal frame is positioned and installed on the outer side of the main frame body, and a lower jaw bracket is positioned and installed at the position under the eyepiece. The horizontal frame is overturned by 180 degrees through the main rotating shaft, the telescopic connecting rod is pulled to increase the height, at the moment, the height of the horizontal ball is not greatly different from the standing sight height of a human body, the horizontal ball can be observed through the supporting rod to rapidly judge the levelness, the height of the lower jaw bracket can be adjusted through the height adjusting turntable, and the arc-shaped bracket is matched with the inner sponge cushion to support the lower jaw.

The present disclosure relates to a surveying instrument and to a method of operating a surveying instrument for tracking of a target including a plurality of light emitting elements and / or a plurality of light reflecting elements configured to emit and / or reflect light radially. The surveying instrument includes a tracking unit configured to adjust a sighting axis of said surveying instrument towards said target by maintaining a predetermined distribution of signal levels on a light sensitive detector. The method comprises obtaining an error function representative of a misalignment of said sighting axis with respect to a reference point in the target as a function of an orientation of the target relative to said surveying instrument, receiving information indicative of an orientation of said target relative to said surveying instrument while tracking said target, retrieving an error from said error function based on the received information, and compensating for the retrieved error.

The present disclosure provides a surveying instrument. The surveying instrument comprises a center unit comprising an optical device and a front lens. The optical device is arranged to emit and / or receive light through the front lens along an optical axis (OA) of the center unit. The surveying instrument further comprises an alidade on which the center unit is rotatably arranged about a first axis (A1). The alidade comprises a tilt sensor arranged along a second axis (A2). The second axis is orthogonal to the first axis. The alidade further comprises an optical arrangement arranged to form an optical path from a first side of the alidade to an aperture arranged along the second axis at a second side of the alidade. The optical path bypasses the tilt sensor. The center unit is rotatable about the first axis to a predetermined rotational position (P1), in which the optical axis aligns with the optical path such that the optical device is arranged to emit and / or receive light through the aperture along the second axis.

The invention discloses a glass curtain wall sphere building double-curved-surface hollow glass installation process, which belongs to the technical field of building construction, and is characterized by comprising the following steps: step 1, clamp positioning and installation: S1, steel keel real-time monitoring, S2, three-dimensional data acquisition and processing, S3, glass size datamation and collision inspection, and S4, clamp angle calibration and production; 2, double-curved-surface hollow glass is positioned and installed, specifically, S1, glass pre-assembling and checking are conducted, S2, on-site hoisting installation is conducted, and S3, glass parameter datamation storage is conducted. Compared with the prior art, the double-curved-surface hollow glass has the advantages that high-precision positioning installation of the double-curved-surface hollow glass is achieved, and the problems of layer staggering and uneven stress existing in a traditional installation process are solved.

The invention relates to a surveying instrument (100). The surveying instrument comprises a central unit (110) comprising an optical device (120) and a front lens (112). The optical device is arranged to emit and / or receive light through the front lens along an optical axis (OA) of the central unit. The surveying instrument further comprises an alidade (130), the central unit being rotatably arranged on the alidade about a first axis (A1). The alidade comprises a tilt sensor (132) arranged along a second axis (A2). The second axis is orthogonal to the first axis. The alidade further comprises an optical arrangement (134) arranged to form an optical path (136) from a first side of the alidade to an aperture (138) arranged on a second side of the alidade along the second axis. The optical path bypasses the tilt sensor. The central unit is rotatable about the first axis to a predetermined rotational position (P1) at which the optical axis is aligned with the optical path such that the optical device is arranged to emit and / or receive light through the aperture along the second axis.

Provided is a method of identifying and detecting one selected target in a survey system in which a plurality of targets are present for one surveying instrument. Light emission cycles T1, T2, and T3 of pieces of identification light of respective optical transmitters of a plurality of targets are different from each other, a light reception cycle TA of an optical receiver of the surveying instrument is set to be equal to a light emission cycle of identification light of a selected target, and each time the identification light of the selected target is received, the identification light is accumulated and amplified, and an amplified signal is identified to detect the selected target.

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.

The application discloses a kind of measuring device and method, it is related to geographic mapping technical field, including pedestal, outer ring, inner ring and angular velocity measuring instrument, pedestal includes pedestal main body, first dial and support column, first dial rotation is set on pedestal main body, support column rotation is set on pedestal main body, north direction pointer and east direction pointer are fixedly arranged on the one end of support column close to pedestal main body, the other end of support column is rotationally connected with the fixed shaft of outer ring, outer ring can rotate around fixed shaft, and angle reading device is arranged on fixed shaft, angle reading device can read the rotation angle of fixed shaft, inner ring is rotationally connected with outer ring by inner ring shaft, inner ring shaft is rotationally connected with outer ring with inner ring fixed connection, angular velocity measuring instrument is fixedly arranged on inner ring.The measurement method of the application is implemented using the measuring device described above.The present application can more accurately measure the latitude of current position and local north direction, and is not susceptible to electromagnetic interference.

A total station includes a telescope and a tracking system for aligning an axis of the total station with a target. The tracking system includes a first emitter that emits first light toward the target and a first sensor that receives the first light reflected off the target. The first emitter and first sensor are horizontally offset from a lens center of the telescope. The tracking system also includes a second emitter that emits second light toward the target and a second sensor that receives the second light reflected off the target. The second emitter and second sensor are vertically offset from a lens center of the telescope. Corrective rotations are computed based on the received first light and the received second light.

A surveying system comprises a base 3, a first alidade 7 mounted on the base and rotatable relative to the base about a first axis 9, a first optical instrument 17 mounted on the first alidade 7, wherein the first optical instrument is configured to emit a first beam 41 of measuring light, a second alidade 19 mounted on the base and rotatable relative to the base about a second axis 21, and a second optical instrument 25 mounted on the second alidade, wherein the second axis substantially coincides with the first axis. The first optical instrument includes a scanner 31, and the second optical instrument includes at least one camera 63.

Provided is a surveying system 1 comprising: a distance meter 11 integrated with a telescope 6c and configured to measure a distance to a prism 8; an angle detector 12 for detecting angle of the telescope; a rotation drive unit 13 for rotating the telescope 6c; a camera 14 for acquiring an image in front of the telescope 6c; and a control arithmetic unit 30 configured to calculate coordinates of the prism 8 based on the distance and angle detected. The control arithmetic unit 30 sets a wearable article worn by an operator as a preliminary target, detects a person in the image to output an area including the person as an operator candidate, detects the preliminary target in the image, calculate a preliminary rotation angle based on a position of the first preliminary target in the image, and rotate the telescope 6c by the preliminary rotation angle.

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.

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.