177 results about "Theodolite" patented technology

The rotary kiln cylinder centerline measuring and adjusting device comprises a rotary kiln body, wherein several groups of measuring device assemblies are arranged inside the rotary kiln body, a laser theodolite is arranged outside the rotary kiln body, and a target plate is arranged inside the rotary kiln body; the measuring device assembly comprises a support shell, wherein two groups of support seats extending to the outside of the support shell are slidably arranged inside the support shell, a first ball seat is fixed to the outer wall of one side of the support shell, and a telescopic rod is rotatably arranged at the other end of the first ball seat; by rotating the handle, the inner rotating rod can be driven to rotate, and under the mutual cooperation of pushing the rotating rod and the inner sliding seat, one end of the two groups of support seats can be driven to slide into the support shell; at this time, the measuring device assembly is hoisted into the rotary kiln by a crane, and then the handle is released. Under the restoring force of the telescopic spring, the ends of the two groups of support seats can be made to tightly contact with the inner wall of the rotary kiln, thereby greatly improving the stability of the measuring device assembly.

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.

The invention discloses an optical aspheric optical axis calibration system and method based on a CGH, and belongs to the technical field of precision optical machine installation and adjustment. The system comprises an optical platform, wherein a first theodolite, an interferometer, a CGH and an aspherical mirror to be calibrated are sequentially arranged on the optical platform along a light transmission path; the aspheric mirror to be calibrated is provided with a calibration accurate measurement mirror. The first theodolite, the interferometer, the CGH and the aspherical mirror to be calibrated are all arranged on the position-adjustable platform. The method comprises the following steps: step 1, adjusting an alignment area of the CGH to be aligned with an interferometer; 2, adjusting the position of a to-be-calibrated aspherical mirror, and enabling the angle between the optical axis of the CGH and the optical axis of the to-be-calibrated aspherical mirror to be consistent with a theoretical angle; 3, calculating a theoretical pitch angle between the optical axis of the CGH and the aspherical mirror to be calibrated; 4, transferring the angle reference of the CGH to a first theodolite; and step 5, installing the to-be-calibrated fine measurement mirror on the to-be-calibrated aspherical mirror.

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.

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.

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.

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.

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.

The application relates to a turnover device for double-layer non-correlation light paths and a method for assembling and calibrating, relates to the field of optical detection and calibration, and solves the problems that in the prior art, when double-layer non-correlation light paths are assembled and calibrated, the risk of manual turnover is large, a theodolite needs to be used to transfer a reference in a turnover process and the like; the application provides the following scheme: a bottom plate, a first lifting cylinder, a second lifting cylinder, a third lifting cylinder, a first motor, a control system, an azimuth turntable and the like; all the lifting cylinders are fixed on the bottom plate, the first lifting cylinder, the second lifting cylinder, the fourth lifting cylinder and the fifth lifting cylinder are respectively located at four vertex positions of the bottom plate, the control system outputs two turnover lifting signals to the third lifting cylinder and the sixth lifting cylinder respectively, turnover driving signals are output to the first motor and the second motor, and the control system outputs a turntable driving signal to the azimuth turntable. The assembling and calibrating method is realized by using the device, and is also suitable for the field of reference transfer in a double-layer non-correlation light path turnover process.

The invention provides a satellite-borne product installation precision testing device and method. The satellite-borne product installation precision testing device comprises a single-machine product, a reference mirror LJ1 assembly, a satellite platform and a reference mirror LJ2 assembly. According to the invention, the assembly precision test of the satellite product is realized through a high-precision measurement system, and the assembly precision is rapidly calculated, and the adjustment direction and the adjustment amount are directly given in an Euler rotation angle mode, so that rapid calculation and accurate orientation adjustment are realized; a reference mirror is used as a measurement basis, an electronic theodolite is used as test equipment, industrial measurement software (SA) is matched for use, and the size requirement and the use method of the reference mirror are provided. The method has the advantages that the error rate of testing and adjusting is effectively avoided, and the method is simple, easy to understand and high in operation adaptability; the device is suitable for assembly precision test and adjustment of all aerospace products.

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 utility model belongs to the field of instrument calibration, and particularly relates to a high-precision calibration device for the spatial position and attitude of a satellite-borne optical camera. The device comprises a three-coordinate measuring instrument, a mounting shell, a laser theodolite, an accurate measuring mirror assembly, a large-aperture collimator and a beam splitter prism assembly, an imaging assembly mounting reference surface and an optical lens mounting reference surface are arranged on the mounting shell; an optical lens of a to-be-calibrated satellite-borne optical camera is mounted on the optical lens mounting datum plane, and an imaging assembly of the to-be-calibrated satellite-borne optical camera is mounted on the imaging assembly mounting datum plane; the accurate measurement lens assembly is installed on the satellite-borne optical camera. The large-aperture collimator is arranged on one side of an optical lens of the satellite-borne optical camera; the laser theodolite is arranged on one side of the satellite-borne optical camera; and the beam splitter prism assembly is arranged on an output light path of the laser theodolite. According to the utility model, the measurement precision of the space position attitude of the spaceborne optical camera is higher, and the adaptability is stronger.

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.

1. The name of the design product: sound (theodolite). 2. The use of the design product: for sound. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combination state figure 1.

The invention relates to the technical field of aeronautical survey, and particularly provides a photoelectric pod and inertial navigation installation deviation calibration method which comprises the following steps: fixedly connecting an inertial navigation and a photoelectric pod, ensuring that an inertial navigation coordinate system and a photoelectric pod coordinate system are consistent in three axes, and ensuring that the azimuth angle and the pitch angle of the photoelectric pod are zero, setting an auto-collimation theodolite, and calibrating the installation deviation of the photoelectric pod and the inertial navigation. Adjusting to enable an electric cross wire of a visible light camera of the photoelectric pod to coincide with a cross wire of a reticle of the auto-collimation theodolite, and recording a pitch angle and a roll angle of inertial navigation in a current state; and rotating the photoelectric pod by 90 degrees to be in a horizontal state, repeatedly adjusting the photoelectric pod, changing the polarity of the inertial navigation coordinate system, changing the course axis into a pitch axis, recording the pitch angle of inertial navigation and the pitch angle of the auto-collimation theodolite at the moment, and calculating the installation deviation. According to the method, the deviation calibration method is simplified, the calibration difficulty is reduced, the calibration cost is reduced, and the calibration precision is improved.

The application relates to the technical field of pre-construction detection, and discloses a building construction measuring device, which comprises a fixing mechanism and a base, the application aims at the problem that when a theodolite is in laser centering, the surrounding light is too strong to be observed clearly, the height position of the device is adjusted by rotating the threaded knob one to control the position of the connecting block two along the stretching position of the supporting leg one, the sliding block one drives the supporting arm to slide outward in the outward stretching process of the device supporting leg one, the supporting arm slides at the inner wall of the rotating block, the baffle is driven to rotate at the inner wall of the rotating block through the connecting rod while the supporting arm slides outward, the angle of the baffle can be adjusted to shield the light by adjusting the outward expansion degree of the supporting leg one, when the surrounding light is too strong in summer or the surrounding environment of the device, it is difficult to observe the clear infrared light point, the observation of the bottom infrared measuring point is affected, and a certain error is generated in the measurement result.

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.

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.

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.

The present application relates to optical system adjustment technology, in order to solve the existing adjustment method error, low precision, resolution inconsistency and other problems, and proposes a kind of adjustment method of multi-channel imaging system, comprising: according to the theoretical parameters of system design, preliminary building is carried out to multi-channel imaging system;The attitude of the transmitting end primary mirror is determined by the first theodolite, small aperture plane mirror and large aperture plane mirror, the spatial position of the transmitting end secondary mirror is adjusted by the second theodolite and cross hair scale plate, the image of cross hair scale plate is coincided with the center of the second theodolite after passing through the transmitting end primary mirror and the transmitting end secondary mirror in turn, the spatial position of the slit and light source is determined, the transmitting end optical path adjustment is completed;The receiving end optical path is adjusted according to the transmitting end optical path adjustment step, then the resolution plate is installed between the transmitting end optical path and the receiving end optical path, the spatial position of the imaging lens is adjusted, so that multiple imaging cameras can capture the sharpest image of the resolution plate, and the adjustment of multi-channel imaging system is completed.

The utility model discloses an angle measurement turntable, which comprises a Beidou third-generation positioning and orientation module and an information processing module which are arranged on an electronic theodolite main body, the Beidou third-generation positioning and orientation module is provided with a main antenna interface, and a slave antenna interface can be respectively connected with an external main antenna and an external slave antenna. The information processing module is connected with the multifunctional observation instrument, and the multifunctional observation instrument can aim at the external slave antenna through an infrared lens of the multifunctional observation instrument. According to the utility model, the Beidou third-generation positioning and orientation module is connected with the external main antenna so as to determine the accurate positioning of the own position, the infrared lens in the multifunctional observation instrument aims at the center of the external auxiliary antenna so as to realize the accurate orientation, and the accurate positioning of the target can be obtained after the target is observed and is further solved by the information processing module. The azimuth angle and the pitch angle can be precisely measured, and the device is high in precision, light in weight, high in integration degree and convenient to carry.

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.

The invention discloses an optical distortion calibration method and system based on full-view-field automatic sampling, and belongs to the technical field of optical meters.The method comprises the steps that a light source is turned on, and optical axis consistency adjustment is conducted on an optical module of a photoelectric theodolite; setting a scanning point array for target imaging; adjusting the direction of the measurement host, and calculating to obtain the synthesis angle of the target; acquiring a target azimuth angle and a pitch angle measured by equipment, calculating theoretical imaging positions of the target under different encoder pointing directions, and acquiring actual coordinate position data of the target; completing the collection of all sample points; performing polynomial fitting based on the theoretical miss distance and the actual miss distance of all the sample points to obtain a distortion coefficient of the lens; the distortion coefficient of the lens is written into an interpretation program for optical distortion calibration, and optical distortion calibration based on full-view-field automatic sampling is completed. According to the invention, the labor intensity and precision of distortion calibration can be reduced, the measurement efficiency is improved, and the calibration requirements of different optical configurations can be met.

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 application belongs to the technical field of theodolites, and discloses a theodolite special for geographic surveying and mapping, which comprises a mounting seat, a theodolite body and supporting rods, a central rod is fixed at the bottom center of the mounting seat, the supporting rods are three in number and are uniformly distributed about the axis of the central rod, a moving power assisting assembly is arranged on each supporting rod, the moving power assisting assembly comprises a supporting sleeve which is sleeved on the supporting rod and is in gap cooperation with the supporting rod, a mounting plate which is fixed to the lower end of the supporting sleeve and is sleeved on the outer side of the supporting rod, a universal wheel which is fixed to the bottom of the mounting plate, and a positioning rod which is fixed to the side wall of the supporting rod, a C-shaped groove which is matched with the positioning rod is formed in the side wall of the supporting sleeve, and an adjusting assembly for driving the positioning rod to shift from the bottom groove of the C-shaped groove to the top groove of the C-shaped groove is jointly mounted on the central rod and the supporting sleeve. The application changes the structure of the theodolite, and reduces the difficulty and physical consumption of the staff in moving the theodolite from one place to another.

The application discloses a combined measurement method for initial assembly and adjustment of an optical machine system, and relates to the technical field of optical machine system assembly and adjustment.The combined measurement method is applied to a combined measurement system.The combined measurement system comprises a laser tracker, three theodolites and a PSM assembly and adjustment microscope.The combined measurement method comprises the following steps: placing a target module at a theoretical position according to mechanical positioning; establishing a global coordinate system through the laser tracker, and determining the spatial coordinates of the curvature center of the target module in the global coordinate system; placing a cooperative target ball of the laser tracker at the spatial coordinates position of the curvature center of the target module; adjusting the PSM assembly and adjustment microscope to be autocollimation with the cooperative target ball of the laser tracker; adjusting the position of the target module based on a global measurement network formed by the three theodolites and the laser tracker, so that the curvature center of the target module coincides with the focal point of the objective lens of the PSM assembly and adjustment microscope, and the final position of the target module is determined.The application improves the initial assembly and adjustment efficiency.

This invention belongs to the field of precision optomechanical assembly and adjustment technology, and discloses a quantitative measurement system for the pointing accuracy of a laser sensor output beam based on a theodolite. The system includes: a laser under test, a standard cube, a small standard plane mirror, a parabolic reflector, a second optical platform, a laser photosensitive target paper, a laser target paper holder, a high-precision theodolite, a first optical platform, and a level. An off-axis imaging optical path is constructed on the first optical platform. The laser target paper is fixed to the focal plane of the parabolic reflector via the laser target paper holder. The laser under test is placed on the second optical platform, and the laser under test is adjusted so that the output beam is focused onto the laser target paper by the parabolic reflector. During measurement, after determining the laser's reference plane using the high-precision theodolite, the position of the laser's output beam spot is measured, achieving a quantitative measurement of the deviation between the laser output beam and the laser mounting base and reference plane. This invention can quickly and accurately measure errors, is easy to assemble, adjust, and test, and effectively ensures the consistency of batch products.

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.

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.

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.