90results about How to "Improve survey efficiency" patented technology

A mobile terminal-based site survey system and a method thereof are applied to the field of real estate and land site surveys. The system comprises a dispatching center, a wireless network, a mobile terminal, a survey operation module, a network, a cloud survey data base and a survey processing module. The method comprises the following steps: sending a survey task to the mobile terminal through the wireless network by the dispatching center; after the mobile terminal receives the task, carrying out site survey operation; generating survey data after the completion of the survey, and uploading to the dispatching center; and checking, accepting and processing the survey data received through the dispatching center. According to the invention, based on the mature technology of a mobile Internet and the mobile terminal, the work efficiency of site survey operation is improved; compared with the prior art, the site survey data is ensured to be real and complete; and the survey efficiency is improved 3-7 times compared with that of a traditional survey manner, the paperless survey is realized, and the equipment is simple.

The invention discloses a sludge detection method and instrument. The sludge detection method is used for detecting sludge inside water and comprises the steps that the density and liquid level of a detection point are obtained at a frequency in real time; whether the density is larger than a first threshold value or not is judged, or whether the variable quantity of the density reaches a second threshold value or not is judged; the liquid level of the current detection point is marked as the first depth, and the detection point is updated; the density, strength and liquid level of the updated detection point are obtained; whether the density reaches a third threshold value or not is judged, and whether the strength reaches a fourth threshold value or not is judged; the liquid level of the current detection point is marked as the second depth, and the difference value between the second depth and the first depth serves as the thickness of the sludge. According to the sludge detection method and instrument, a density sensor, a liquid level sensor and a strength sensor are used for measuring the density, liquid level and strength of any detection point in real time, so that the thickness of the sludge is determined. The sludge detection method and instrument have the advantages of being accurate in measurement, high in real-time performance and convenient to use, reducing a large number of labor and material costs, greatly improving reconnaissance efficiency and the like.

The invention provides a road fine design method. A plurality of digital cameras are carried on an unmanned aerial vehicle flight platform at high altitude above a road to generate a centimeter-levelthree-dimensional live-action model of the road; then the digital terrain model is extracted and imported into a BIM design platform for terrain visual analysis, horizontal and longitudinal geometricanalysis, road subgrade and pavement design and scheme comparison and selection, the design accuracy is improved, field survey work is reduced, the advantages of intelligence, high flexibility and visualization are achieved, field environment live-action simulation is achieved, and the safety of the design scheme is ensured; the survey efficiency and precision are improved while the labor intensity is reduced; schemes are quantitatively compared and selected, so that the engineering cost is reduced; three-dimensional visual service is provided for shortcut line decision making, accurate simulation is achieved, disordered phenomena such as disordered digging, disordered filling, disordered building and environment damage are avoided, and the method is green, energy-saving and environmentally friendly; the method can be used for road design, and can also be used for construction process monitoring, accurate calculation of engineering quantity change, potential safety hazard investigationand the like.

The invention provides a power line surveying and measuring technology which comprises the following steps of making and designing a plan draft, comparing the plan draft with a three-dimensional map and a satellite map, modifying the plan draft, determining a GPS (global positioning system) coordinate of a pole, surveying a plurality of coordinate points near the determined coordinate by a surveyor according to the advantages of a model helicopter, feeding back acquired information into a control room, transmitting the acquired information to a processor through a signal receiver, and displaying the acquired information, which serves as a reference of a final plan decision and is processed by a designer, on a display. Furthermore, the model helicopter is used for site surveying, so that the surveying efficiency is improved, and the working area of workers per unit is also enlarged; particularly, when a surveyor surveys a mountain land, the efficiency and the coverage area of the power line surveying and measuring technology are much higher than those of a conventional surveying technology, and the strength of the surveyor is greatly saved. The power line surveying and measuring technology is easy to operate and simple in structure and deserves popularization and application.

A vehicle remote damage survey and assessment system comprises a damage assessment terminal and a damage assessment centre. The damage assessment terminal and the damage assessment centre are connected via a wireless network. The damage assessment terminal comprises a microprocessor. The microprocessor is connected with an audio / video collecting module, a GPS module, a first display module, a Bluetooth module and a first information receiving and transmitting module. The Bluetooth module is connected with a Bluetooth printer via Bluetooth; the first information receiving and transmitting module is connected with the wireless network via a first wireless communication module. The damage assessment centre comprises a second information receiving and transmitting module. The second information receiving and transmitting module is connected with an audio / video storage server, a second display module and an input device; the second information receiving and transmitting module is connected with the wireless network via a second communication module. The vehicle remote damage survey and assessment system could effectively prevent the occurrence of an insurance fraud event.

The invention discloses a survey scheduling method for vehicle insurance, comprising the following steps: S1, an owner issues claim request information to an insurance company, wherein the claim request information includes owner information, vehicle information, type of insurance and accident location information; S2, the insurance company receives the claim request information, and classifies the accident according to the claim request information; S3, the insurance company determines surveyors and the number of surveyors according to the type of accident and the on-duty personnel information of the company, generates a survey task list, and sends the survey task list to the determined surveyors; S4, the notified surveyors go to the scene of the accident to acquire the claim information of the claimed vehicle, and sends the acquired claim information to a claim server of the company; and S5, the claim server of the company generates a claim solution according to the received claim information, and notifies the owner of the claim solution. By using the survey scheduling method, the problem that the vehicle insurance survey scheduling method in the prior art is of low personnel scheduling efficiency and low field survey efficiency is solved.

The invention relates to a car insurance surveying method and device. The method comprises the steps: receiving a car insurance case reporting request of a customer terminal; obtaining the data of a car insurance case according to the car insurance case reporting request; extracting the customer information and case condition information in the case data; obtaining a customer type matched with thecustomer information; determining corresponding car insurance surveying modes according to the case condition information and the customer type, wherein the car insurance surveying modes comprise online surveying and manual onsite surveying; and carrying out the surveying of the car insurance case according to the corresponding car insurance surveying modes. The method and device provided by theinvention achieve a purpose that no all cases need to be surveyed on site, can effectively improve the car insurance surveying efficiency, and greatly reduces the manpower consumption and cost.

The invention discloses a new type of surveying device for engineering cost. The wheel is a cylindrical structure with equal surfaces on both sides and a hollow center. The side surface and the side surface of the main body of the surveyor are movably connected by welding and form a convex shape. The width of the distance measuring wheel is 1.3cm. The inner hollow cylindrical structure, the top surface is set in the center of the top surface of the telescopic lock and forms a convex shape, and the height of the telescopic rod is 60cm-75cm. There is a voice player, the battery transmits electric energy to the main body of the player, and the digital display screen transmits the data to the processor through the transmitter, so that the processor can process the data, and the actuator controls the main body of the player through the circuit board to perform audio processing through the loudspeaker. Play, avoid recording errors in survey data, and effectively improve survey efficiency.

The invention relates to a home damage degree detection system based on image processing. The home damage degree detection system comprises a shooting bracket and image shooting equipment, wherein theshooting bracket is arranged in front of a building and is used for supporting the image shooting equipment; the image shooting equipment comprises a liquid crystal display screen, a CSI (Crime SceneInvestigation) output interface, an image acquisition component, a background detection component and a contrast control component; the shooting bracket is used for being erected in front of each building in turns; the image acquisition component is used for performing image data acquisition on the buildings so as to acquire building images; the shooting direction of the image shooting equipmentcan be adjusted to perform in-turn image data acquisition on different areas of the building so as to acquire corresponding building images. According to the detection system disclosed by the invention, the surveying speed of each wooden window of the building can be improved.

The invention provides a door and window point cloud shape detecting method and system based on laser point cloud data. The door and window point cloud shape detecting method based on the laser pointcloud data includes the steps of: pre-processing original point cloud data to obtain the point cloud data with gross errors removed and conducting edge extraction, determining the point cloud shape according to the result of edge extraction; projecting a 3D point cloud to 2D in the direction perpendicular to the plane of a door frame, dividing grids and extracting internal grids in the middle position, determining whether the number of points in the internal grids is greater than a preset corresponding threshold to know that the point cloud shape is a L shape if so and that the point cloud shape is another shape if not, splitting edge extraction results of the point cloud into four parts: up, down, left, and right, performing corresponding judgment fitting on the upper part and fitting theleft, right and bottom parts of the edge of the point cloud; fitting data and point cloud data to calculate fitting error point by point, calculating coefficient of determination, and extracting thefitting parameters of the coefficient of determination which meet the corresponding threshold. The door and window point cloud shape detecting method and system based on the laser point cloud data have the advantages of being simple, effective, high in precision, easy to implement and of important market value.

The invention belongs to the field of computer technology, in particular to a mesh division method based on big data analysis, a computer readable storage medium and a terminal device. The method comprises obtaining a set of candidate positions of a specified region, and a coverage area of each candidate position in the set of candidate positions; selecting each candidate subset from the candidateposition set, wherein the distance between the candidate positions in the candidate subset is greater than a preset distance threshold; calculating the comprehensive coverage amount of each candidatesubset to the designated area according to the coverage area of each candidate position, and selecting the candidate subset with the highest comprehensive coverage amount as the preferred subset; respectively calculating the object function values of various mesh partitioning modes of the preferred subset to the designated area, and selecting the mesh partitioning mode with the smallest object function value to carry out mesh partitioning on the designated area.

The invention discloses a geological survey instrument for geological engineering, which comprises a support plate, a chain belt, connection shafts, and a drill fixed seat. Four driving wheels are mounted on the front and rear ends of the bottom of the support plate, and the two drive wheels on one side of the support plate are connected by the chain belt; the two pairs of driving wheels at the front end and the rear end of the support plate are connected by the connection shafts; two driven gears are mounted on the connection shafts near the driving wheels at both ends; a double-shaft stepping motor is mounted above the two connection shafts on the bottom surface of the support plate; driving gears are mounted on both ends of the double-shaft stepping motor; the driving gears meshes witha corresponding driven gears; the upper part of the support plate is provided with a turnover plate; and both sides of one end of the turnover plate are hinged to a hinge plate mounted on the supportplate. The geological survey instrument for the geological engineering disclosed by the invention has the advantages of being convenient to move, strong in trafficability, strong in adaptability to complex environments, and high in work efficiency.

The invention discloses a foundation settlement calculation method based on a surface wave exploration technology. The method comprises the steps of carrying out field ground wave exploration, collecting and processing transient surface wave data, determining a foundation settlement influence depth, dividing a soil layer, determining the thickness of each layer of soil, the number of stratums andthe surface wave speed of each layer of soil body in a foundation settlement influence depth range, and determining the type of each layer of soil; respectively calculating a foundation depth influence coefficient, an additional stress coefficient of each layer of soil body caused by foundation stress, influence factors of each soil layer in the foundation settlement influence depth range and a settlement experience correction coefficient; and finally calculating to obtain the final settlement amount of the foundation. The calculation process of the method is simple and fast; required parameters come from transient surface wave investigation, drilling, sounding and the like are not needed, the field adaptability is high, nondestructive testing is achieved, equipment is simple, the investigation cost is low, the investigation efficiency is high, under the condition that an experience correction coefficient is not utilized, high calculation precision is still achieved, and high use and popularization value and wide application prospects are achieved.

The invention discloses a multi-population niche genetic method for feature selection. The hybrid filtering method is used to calculate the comprehensive feature importance of each feature, and the features whose comprehensive feature importance is not less than the set threshold are selected. According to the comprehensive feature importance, the probability of the selected features is calculated, and the preset number of initial populations is generated. By improving the selection, crossover and mutation steps, niche and migration steps are added, the optimization ability of the algorithm iseffectively improved. The multi-population niche genetic method for feature selection provided by the invention has the advantages of large detection space, large population diversity and high exploration efficiency, thereby improving the efficiency of searching for an optimal solution and reducing the occurrence of falling into a local optimal situation.

The invention relates to an exploration device, especially to a coal resource exploration device of a resource technology, and aims at providing the coal resource exploration device short in exploration time consumption. The coal resource exploration device comprises a trolley, a water tank, a water pump, a hard pipe, an exploration instruction, a drilling rod, a second rotation motor, an electric control valve, a third rotating shaft, a second belt pulley and a first rotation motor, the right side of the top of the trolley is provided with the water tank and a support, the water tank is positioned on left of the support, the internal bottom of the water tank is provided with the water pump, the water pump is connected to the hard pipe, the hard pipe is provided with the electric control valve, and the inner right wall of the support is provided with the first rotation motor. The exploration device is short in consumed exploration time, high in exploration efficiency, rapid in exploration and simple in operations.

The invention relates to a vehicle insurance risk sharing survey platform operated by a third party, comprising a survey mobile terminal, a loss determination management background and a dispatching center. The survey mobile terminal, configured to receive the scheduling task, takes a vehicle picture at the mapping location and a picture center of the mapping platform last time, and sends a live video request; the loss determination management background, configured to receive the video request, establishes a video connection between the loss determination worker and the surveyor, realizes real-time control of the operation of the surveying mobile terminal, and transmits the video to a video center; the dispatching center is used for realizing the case dispatching module, personnel management module, organization setting module and authority management module. The platform overcomes the problem that the insurance company can not dispatch the surveyors flexibly and quickly in remote areas where the surveyors are few or no, improves the efficiency of the vehicle insurance scheduling of the insurance company, and saves the human and material resources cost at the same time.

The invention discloses an information acquiring device for a traffic accident scene. The information acquiring device comprises a base frame (1) and a bottom plate (2) fixedly arranged on the upper end of the base frame (1), wherein a rotating plate (3) is arranged above the bottom plate (2), the front end of the rotating plate (3) is hinged with the front end of the bottom plate (2), an angle regulating mechanism and a rotating angle measuring mechanism are arranged between the rotating plate (3) and the bottom plate (2), a tray (4) is arranged at the upper end of the rotating plate (3) and is connected with the rotating plate (3) through a rotating pin roll (5), and an azimuth angle measuring module (6) and a distance measuring module (7) are placed on the tray (4). According to the information acquiring device, through measuring three-dimensional coordinates of a target point, accurate data support is provided for traffic accident scene drawing, so that a schematic diagram of the traffic accident scene is more accurate, objective and actual; meanwhile, the workload of measuring on the traffic accident scene is reduced, and the survey efficiency is improved.

The invention relates to a damage and leakage detection system for an impermeable layer of a refuse landfill. The system comprises a signal transceiver, a remote controller, a control box, a driving device, a base plate, bique rubber compound wheels and a detection component, wherein the control box is arranged on the base plate; a micro control module is arranged in the control box; the signal transceiver is arranged at the top of the control box and communicated with the micro control module through a logical circuit; the driving device is arranged on the base plate and communicated with the micro control module; the bique rubber compound wheels are arranged below the base plate, and each of the bique rubber compound wheels is composed of a bique ring and two rubber rings; a conductive component and a conducting solution are arranged in each bique ring; the detection component is arranged in the control box, communicated with the micro control module through the logical circuit and communicated with each conductive component through a conducting wire. The leakage detection system is suitable for leakage detection of naked membranes at bottoms and on slopes of refuse landfills with complex terrains, geomembranes covered with partially-dried pebble beds at bottoms and naked membranes at bottoms of leachate regulating tanks, the survey efficiency can be improved effectively and the missing rate is reduced.

The invention discloses a detection method using a gas measurement system, which comprises the following steps: s1, arranging a sampling measurement system, comprising the following steps: s11, arranging a multi-rod matrix dilution probe with a quick bypass device; s12, arranging a blowback calibration valve group; connecting the dilution sampling probe, the blowback calibration tee joint, the blowback electromagnetic valve and the calibration electromagnetic valve through a sampling pipeline to form a probe blowback and calibration gas transmission path; s13, arranging an equal-length samplegas transmission pipeline from the sampling probe to the sampling distribution unit interface; s14, arranging an internal gas path of the sampling distribution unit: enabling the sampling distributionunit to distribute the sample gas of each partition into two paths, wherein one path is connected to a mixing device, and the mixed sample gas is mixed by the mixing device and then continuously enters the mixed measurement analyzer; wherein the other path is connected into a partition patrol sampling group, and the sample gas of each partition enters a patrol measurement analyzer in sequence through the patrol sampling group; s15, respectively adjusting the lengths of pipelines of the mixed measurement analyzer and the patrol measurement analyzer, adjusting specific parameters such as mixedsample gas flow and patrol measurement sample gas flow, and ensuring the synchronism of partition patrol measurement and mixed measurement; s2, installing a control center; s3, enabling the controllerto start a uniform mixing sampling mode; s4, enabling the controller to start a partition patrol mode; and s5, testing the synchronism of partition patrol and uniform mixed sampling measurement, andputting into use after the synchronism is qualified.

The invention discloses a horizontal directional drilling engineering geological survey wire line coring turbodrill, and belongs to the field of engineering geological survey instruments. The wire line coring turbodrill comprises a drill rod, a wire line coring drill assembly, a drill bit, a turbine assembly, a rotating shaft and a support component, wherein the support component is positioned between the drill rod and the rotating shaft to provide radial support, the rotating shaft is connected with the drill bit through a connector instead of directly connecting the drill rod with the drillbit, rotors and stators of the turbine assembly are arranged in the axial direction of the drill rod in a staggered and spaced mode and are arranged in the cross section direction of the drill rod ina spaced mode, so that a slurry channel is formed, slurry enters the slurry channel, drives the rotors to rotate and further drives the rotating shaft connected with the rotors to rotate, furthermore,the rotating shaft drives the drill bit to rotate through the connector, so that the drill bit does not need to be driven by the drill rod to rotate, the drilling tool does not need to be subjected to direction-control deviation-rectifying work, and meanwhile exploration efficiency is improved.

The invention discloses a novel vehicle insurance loss assessment system in a traffic accident, which comprises a loss assessment terminal and a loss assessment center. The loss assessment terminal comprises a terminal display module, a video acquisition module, a GPS positioning module, a terminal information transmitting and receiving module and a processor, and the processor is respectively connected with the terminal display module, the video acquisition module, the GPS positioning module and the terminal information transmitting and receiving module; and the loss assessment center comprises a center information transmitting and receiving module, the center information transmitting and receiving module is connected with an audio and video storage server, a center display module and input equipment, and the center information transmitting and receiving module is connected with a wireless network by a communication module. The loss assessment terminal is mounted on an unmanned aerial vehicle and the unmanned aerial vehicle can drive the loss assessment terminal to fly in a space around a vehicle to be subjected to loss assessment; the bottom end of the unmanned aerial vehicle partially extends outwards to form a plurality of supporting feet, and inflatable buffer rubber mats are arranged at the bottom ends of the supporting feet. The system is convenient to operate, and can remotely carry out loss assessment on a damaged vehicle so as to avoid ceaselessly come and go in an accident place and save both time and labor.

The invention belongs to the field of computer technology, in particular to a mesh division method based on big data analysis, a computer readable storage medium and a terminal device. The method comprises determining a reference mesh radius of the designated area according to a region type of the designated area and a preset first correspondence relationship; determining a period in which the current system time is located, and determining an adjustment coefficient corresponding to the period in which the current system time is located according to a preset second correspondence relationship;adjusting the reference mesh radius according to the adjustment coefficient to obtain the adjusted reference mesh radius; acquiring a candidate position set of the designated area, and selecting a center position of each grid from the candidate position set according to the adjusted reference grid radius; carrying out the mesh division on the designated area according to the adjusted reference mesh radius and the center position of each mesh. The dynamic partition of the grid is realized, which greatly improves the efficiency of the auto insurance survey.

The invention discloses a terrestrial heat detection device for geological exploration, and relates to the technical field of geological exploration, the terrestrial heat detection device comprises a body, a controller device is fixedly connected to the outer wall of the top of the body, and a driving motor is fixedly connected to the outer wall of the top of the body and located on the left side of the controller device. The controller device is used for controlling operation of the driving motor, soil layer punching is facilitated, rotation is stopped when punching is conducted to a certain depth, a punching head and an auxiliary head can be stably inserted into the soil layer, the detection result is more accurate, the controller device is used for controlling a movable air cylinder to move downwards, the temperature of the soil layer is conveniently detected through an infrared temperature measuring sensor, and the working efficiency is improved. And the infrared temperature measurement sensor can be in contact with soil layers at different positions in the rotating process, the terrestrial heat detection range is wider, the detection result is more comprehensive and effective, the detected data information is transmitted to the display screen of the controller device through the wireless transmission module, observation by operators is facilitated, and the efficiency is higher.

The invention discloses a method for calculating the compression modulus of gravel-containing clay. The method comprises the steps: S1, a drill hole is formed in a clay sample of the gravel-containingclay, and the drill hole is located in the position, above the reference plane, with the first predetermined height; S2, a standard penetrometer is driven into the drill hole and driven into the clayby the first depth h1; S3, the standard penetrometer is driven from the first depth h1 to the second depth h2, the hammer number of the standard penetrometer driven by the predetermined depth value each time is recorded, and the hammer numbers of driving to the second depth h2 are accumulated to be recorded as the standard penetration experimental hammer number N; and S4, according to the measured standard penetration experimental hammer number N, the compression modulus, meeting the relation of Es=a*N+b, of the gravel-containing clay is obtained, wherein a and b are set positive parameter values correspondingly. Through the method, the problems of high cost and poor popularization of tests of the compression modulus of the gravel-containing clay are solved, the survey efficiency is improved, and the survey cost is lowered.

The invention belongs to the technical field of road survey equipment, and relates to a road survey device. According to the road survey device, a main body structure comprises an equipment box, a camera, a distance sensor, a server, a temperature-humidity controller, an angle sensor, a converter, a GPS module, a data switching exchange, a heater, a cold exhaust fan, a network wire interface, a power supply wire interface, a terminal, a storage battery and a temperature-humidity sensor. The road situation of a surveyed route can be automatically monitored in real time, images of survey nodes can be taken, data information such as widths, heights, longitudes and latitudes and radians of surveyed roads and barriers on roads can be surveyed, the data information validity can be verified in real time, operation such as data information recording, calling and query is supported, and moreover, due to a constant temperature and humidity environment in the heat-preservation type equipment box, normal operation of different components is ensured, and the integrality and the stability are improved; the road survey device is simple in structure, precise in survey result, visible and easy to use, good in stability, long in service life, high in survey efficiency, low in cost, good in application environment, and wide in application range.

The invention discloses a vehicle loss assessment system. The system comprises a loss assessment terminal and a loss assessment center connected with the loss assessment terminal through a wireless network, wherein the loss assessment terminal comprises a terminal display module, a video collection module, a GPS positioning module, a terminal information receiving and sending module and a processor; the processor is connected with the terminal display module, the video collection module, the GPS positioning module and the terminal information receiving and sending module; the loss assessment center comprises a center information receiving and sending module; the center information receiving and sending module is connected with an audio and video storage server, a center display module and an input device; and the center information receiving and sending module is connected with the wireless network through a communication module. The vehicle loss assessment system is convenient in operation, and can remotely perform loss assessment on a damaged vehicle, so that loss assessment personnel are prevented from ceaselessly coming and going on accident sites, and time and labor are saved.

The invention discloses an adjusting support convenient to install for a geographical survey sighting telescope, and relates to the technical field of sighting telescopes. The adjusting support convenient to install for the geographical survey sighting telescope comprises an adjusting cover, wherein a survey instrument is arranged on the outer surface of the top of the adjusting cover; a direction adjusting mechanism is arranged in the adjusting cover; and two sets of installation blocks are fixedly installed on the outer surface of the bottom of the adjusting cover. According to the adjusting support convenient to install for the geographical survey sighting telescope, foot rods, hinge plates, transverse threaded rods, nuts, supporting rods, limiting blocks and elastic springs are used in cooperation, so that the height of the survey sighting telescope can be adjusted according to surveyors of different heights, limitation is small, the surveyors are prevented from bending down for a long time, the waist injury is effectively reduced, the surveyor can survey the ground at the most comfortable height, and the fatigue of the surveyor in the surveying process is helped to be reduced.

The invention provides a multifunctional soil sampling device. The multifunctional soil sampling device comprises a soil sampling system, a resistivity testing system, a soil body strength testing system, a shell and a controller, the soil sampling system comprises a soil sampling pipe; the soil sampling pipe is arranged in the shell; the resistivity testing system is provided with a plurality ofannular electrodes, and the annular electrodes are installed on the inner wall of the shell from top to bottom through an insulating plastic layer; the resistivity test system is connected with the controller; the soil body strength testing system comprises a stepping motor, a torsion sensor and a shearing mechanism; the stepping motor is connected with the upper portion of the shell, the shearingmechanism is installed on the shell, and the torsion sensor is connected with the stepping motor and the controller. According to the invention, the resistivity and the shear strength of the soil body can be rapidly measured on the in-situ soil, the soil sampling work can be carried out, multiple functions are integrated, the geological survey efficiency is greatly improved, and the test cost issaved.

The invention discloses a panoramic-image-based dangerous falling rock surveying method, which comprises the following steps of distributing control points, acquiring a panoramic image of a construction site, and calculating attitude parameters and unit sphere center positions of the panoramic image under an engineering coordinate system for panoramic image orientation by combining with real coordinates of each control point; establishing a measurable three-dimensional visual environment of the panoramic image to obtain a three-dimensional panoramic image with a geographic reference by combining with a digital elevation model of the construction sites; identifying dangerous falling rocks, and extracting the information of the dangerous falling rocks. According to the method, the panoramic image of an engineering construction area is acquired, and a digital three-dimensional dangerous falling rock interpretation environment is established under the support of a high-precision mathematical model, so that a dangerous falling rock remote-sensing interpretation method is improved, and the distribution range, scale, spatial form and position of the dangerous falling rocks are accurately and efficiently determined; the method is proven to be effective by the actual application of railway construction projects such as the coal transportation passage from Sanmenxia to Jingmen and the railway from Xinjiang Baluntai to Yiergen.

The invention discloses a field survey device for architectural design. The field survey device comprises a base, and supporting legs are fixedly arranged at all the four corners of the bottom end ofthe base. The field survey device for architectural design is provided with a gradienter. Through cooperative use of an electric telescopic rod, a pull rod, a first sliding block, a first supporting rod and a second supporting rod, an operation table is driven to rotate, the angle of the operation table is adjusted, then the operation table is adjusted to a horizontal state under the cooperation indication of the gradienter, so that the accuracy of survey data of a construction field is improved, the survey data of a signal transmitter is displayed through a display screen, the data is conveniently observed and processed in time, and the data processing efficiency is improved. A solar cell panel is arranged to continuously supply energy to a storage battery, the cruising ability of the storage battery is improved, the surface of the solar cell panel is cleaned through a cleaning wheel, and the light transmittance of the solar cell panel is improved.