33 results about "Soil survey" patented technology

The invention provides an intelligent layout method, system and device for a land survey control network and a medium, and the method comprises the steps: building a space-time dynamic terrain model based on the obtained measurement data of a construction region; generating a candidate control point set in the construction area according to a preset layout density requirement; based on the space-time dynamic terrain model, performing stability analysis on each candidate control point in the candidate control point set to obtain a stability index of each candidate control point; based on the space-time dynamic terrain model, any two candidate control points in the candidate control point set are used as candidate control point pairs for time sequence intervisibility analysis, and time sequence intervisibility indexes of the candidate control point pairs are obtained; establishing a multi-objective optimization model according to the stability index and the time sequence intervisibility index; and solving the multi-objective optimization model by adopting a multi-objective evolutionary algorithm, and outputting a control network layout scheme set. By adopting the method, the point distribution quality of the control network can be improved.

The invention discloses a frozen soil upper limit intelligent identification method based on multi-source data and deep clustering fusion, and belongs to the technical field of frozen soil exploration. The method comprises the following steps: firstly, collecting and preprocessing ground penetrating radar and high-density electrical method data, and registering with drilling data; constructing a sample data set by using a sliding window; constructing a double-branch convolutional auto-encoder to carry out unsupervised pre-training so as to fuse multi-source data features; on the basis, a clustering layer is introduced, a joint loss function combining reconstruction loss, clustering loss and supervision loss is adopted, semi-supervised deep clustering optimization is carried out, and underground media are divided into three types including a covering layer, a transition zone and frozen soil; and finally, automatically identifying the frozen soil upper limit depth of each point on the measuring line by using the trained model, and outputting a confidence coefficient. According to the method, the problems that a traditional method depends on artificial experience and is low in efficiency are solved, and intelligent, high-precision and high-efficiency identification of the frozen soil upper limit is achieved.

The invention discloses a land area measuring device and method for surveying, and relates to the technical field of laser measuring instruments.The land area measuring device comprises an unmanned aerial vehicle body, the bottom of the unmanned aerial vehicle body is provided with a measuring camera and a takeoff and landing support, the lower surface of the takeoff and landing support is fixedly provided with a fixing base, and the bottom end of the fixing base is fixedly connected with a mounting plate; and a protection assembly is arranged on the lower surface of the mounting plate. By arranging the protection assembly and the wind power transmission assembly, when the unmanned aerial vehicle flies, airflow pushes a spiral wind guide strip to drive a transparent protection cover to rotate slowly, impurities and dirt on the surface of the protection cover are scraped off in real time in cooperation with a rubber scraper, stains are prevented from blocking a measurement camera, and it is ensured that shot land measurement information is clear and accurate; the land area measurement precision is effectively improved; no extra energy consumption is needed for autonomous cleaning, cleaning power comes from natural airflow generated by flying of the unmanned aerial vehicle, no extra motor or other driving parts need to be arranged, energy consumption is saved, and autonomous and continuous cleaning of the protective cover is achieved.

The utility model discloses a spiral constant flow probe for radon survey meter soil survey belongs to nuclear radiation detection technical field, including intermediate connecting piece, and the bottom end detachable connection of intermediate connecting piece has the gas guide main pipe, and the upper surface of intermediate connecting piece is provided with the flowmeter connecting hole and short stick connecting hole, and the bottom end of intermediate connecting piece is the circular truncated cone structure and is provided with the outer thread, and the gas flowmeter is connected with radon survey meter still, and the bottom end of intermediate connecting piece is the circular truncated cone structure and is provided with the outer thread, and the utility model sets up and has the intermediate connecting piece of thread, and the leakproofness between intermediate connecting piece can pass through the thread promotion and the detection soil, to make the measurement result more accurate.

The utility model relates to the technical field of land survey point fixing devices, in particular to a portable land survey point fixing device. Comprising a sleeve, a pushing and pressing cylinder is sleeved with the sleeve in a matched mode, a handle is arranged at the top of a pushing and pressing cylinder body, a locking mechanism is arranged at the bottom of the pushing and pressing cylinder body, and a locking plate and a movable top plate in the locking mechanism jointly move to lock or loosen a positioning marker post; the point fixing device is light in weight and low in cost, operation can be completed by one person, and convenience is greatly improved.

The utility model provides a portable land surveying and marking device for landscape garden design. The portable land surveying and marking device comprises a marker; a central jack is formed in the center of the top of the central module, the marker is inserted into the central jack, and a plurality of edge supporting holes are formed in the top of the central module around the central jack; a plurality of supporting modules are provided around the central module, the central position of the top of each supporting module is provided with a top opening, the top of each supporting module is further provided with an agraffe, one end of each agraffe is hinged to the top of the corresponding supporting module, and the other end of each agraffe is buckled in an edge supporting hole of the central module. The portable land surveying and marking device for landscape garden design does not relate to carrying and carrying of heavy objects, is convenient to carry, easy and convenient to install and firm in fixation, can be used for landscape garden design and can also be used in other fields needing land surveying and marking.

This utility model belongs to the field of information collection technology, and particularly relates to a soil survey sampler. The sampler includes a sampling cylinder body with a sampling shovel detachably connected to its lower end. The shovel has a trapezoidal cross-section at its end. A cleaning mechanism is movably connected to the upper end of the sampling cylinder body. The cleaning mechanism includes a rotating block, a pushing rod, a pushing ring, a rotating rod, and a cleaning ring. One end of the pushing rod is fixedly connected to the end face of the rotating block, and the other end is fixedly connected to the pushing ring. The outer diameter of the pushing ring is the same as the inner diameter of the sampling cylinder body. A rotating hole is provided on the lower end face of the pushing rod, and one end of the rotating rod is placed inside the rotating hole and engages with it. The cleaning ring is sleeved on the outer circumferential wall of the rotating rod, and the other end of the rotating rod is rotatably connected to the sampling cylinder body. A guide rod passes through the cleaning ring and is fixedly connected to the sampling cylinder body. Compared with the prior art, this utility model enables the cleaning brush bristles to thoroughly scrape away residual soil from the cylinder wall, eliminating cross-contamination of samples.

1. The name of the design product: land surveying instrument. 2. The use of the design product: for land area measurement. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a soil layer surveying device for engineering surveying, which comprises a support, a top plate arranged at the top of the support, a hydraulic cylinder mounted at the top of the top plate, a lifting plate connected to the bottom of a connecting frame, and a drill cylinder rotatably connected to a position close to one end of the lifting plate, a drill bit is installed at the bottom end of the drill cylinder, a driving mechanism facilitating rotation of the drill cylinder is arranged on one side of the drill cylinder, one end of the drill cylinder penetrates through the interior of the support and is in sliding connection with the support, and a sampling mechanism facilitating stratified sampling of a soil layer is arranged on the inner side of the drill cylinder. The driving mechanism can drive the drill barrel to rotate so that the drill bit can drill into the soil layer, the sampling mechanism can conduct layered sampling on the soil layers of different depths, efficient drilling and accurate sampling of the soil layers are achieved, and then the soil layer exploration efficiency and the data reliability are improved through the structure.

The utility model provides a measuring device, and belongs to the technical field of land measurement. The high-adaptability territorial resource planning and measuring device comprises a fixing assembly and an adjusting assembly, the fixing assembly comprises a rotary supporting piece, a fixing plate, an elastic piece, a clamping plate and a tape measure, the fixing plate is fixedly connected to the top of the rotary supporting piece, and the adjusting assembly comprises a positioning flat plate, an inner threaded cylinder, a threaded rod, a positioning plate, a sliding sleeve and a hook. The internal threaded cylinder is fixedly connected to the top of the positioning flat plate, through the arrangement of the rotary supporting piece, the fixing plate, the elastic piece, the clamping plate and the measuring tape, the measuring tape can be conveniently disassembled and assembled to be used on the rotary supporting piece, the measuring direction of the measuring tape can be conveniently rotated and switched, and through the arrangement of the positioning flat plate, the internal threaded cylinder, the threaded rod, the positioning plate, the sliding sleeve and the hook, the measuring tape can be conveniently detached and assembled. The device can effectively adapt to soil measurement of different gradients, and the accuracy of measurement results is effectively guaranteed.

The application discloses a land surveying method and device based on multi-source data fusion, and relates to the technical field of surveying, which comprises the following steps: collecting three-dimensional geodetic coordinate data and three-dimensional space point cloud data, obtaining starting three-dimensional coordinate and ending three-dimensional coordinate of surveying, constructing a triangulated irregular network (TIN) terrain model and a shortest path search model on the ground, searching for a starting node and a target node in a weighted undirected graph, calculating the shortest path on the ground and the ground distance, rendering the TIN terrain model to draw the shortest path on the ground, and setting through points and forbidden areas to update the shortest path on the ground and the ground distance. The application breaks through the dependence of traditional land surveying on the line-of-sight condition by fusing multi-source data and constructing continuous digital terrain, intelligently calculates and visualizes the shortest path on the ground, avoids the error accumulation of manual segmented operation, provides interactive path replanning capability, and significantly improves the accuracy, efficiency and scientific nature of planning and decision-making of ground surveying under complex terrain.

This application discloses a method, apparatus, equipment, medium, and product for identifying and retroactively recognizing historical outflow of cultivated land, belonging to the field of land and resources survey and monitoring technology. The method includes: constructing a candidate base map of historical outflow of cultivated land based on multi-time-series land change survey vector data; generating a constraint layer based on multiple spatial constraint data; performing spatial intersection elimination based on the candidate base map of historical outflow of cultivated land and the constraint layer to obtain a candidate set after avoidance; judging the integrity of the topsoil based on the candidate set after avoidance and soil survey data to obtain a set of intact topsoil patches; identifying crop types in the set of intact topsoil patches based on multispectral remote sensing data to obtain a crop type identification result set; performing concentrated contiguous analysis on the patches in the crop type identification result set to obtain a contiguous optimization result set; and performing post-processing on the contiguous optimization result set to generate a cultivated land retroactive vector layer. The embodiments of this application can effectively improve the efficiency and accuracy of identifying and retroactively recognizing historical outflow of cultivated land.

The application discloses a land surveying method based on aerial image analysis and relates to the technical field of land surveying. The application solves phase jump error caused by sudden deformation of frozen soil through a quantum optimization framework, significantly improves the continuity of the deformation field, simultaneously fuses a classifier designed according to the temperature-elastic modulus attenuation law, enhances the recognition ability of the thermal driving deformation, combines an edge computing architecture with a parameter self-adaptive mechanism, realizes minute-level deformation early warning response, and further introduces a cross-modal fusion strategy to expand the monitoring dimension, effectively compensates for the scene limitation of a single sensor, and simultaneously supports a derivative application such as illegal building detection through a capsule network and a differentiable morphological operator.

The utility model belongs to the field of hydraulic engineering, and relates to soil investigation, in particular to a foundation rock soil sampling device for water conservancy and hydropower, which comprises a body, the body comprises a drill pipe and a drill bit which are used for being inserted into rock soil, a positioning plate is fixedly connected in the drill pipe, and the upper side of the positioning plate is fixedly connected with a miniature electric push rod. The lower end of the micro electric push rod penetrates through the positioning plate and is rotationally connected with a transmission rod, the end, away from the micro electric push rod, of the transmission rod is rotationally connected with a soil scraper, the upper end of the soil scraper is slidably connected with a sliding rail, the sliding rail is fixedly connected with the positioning plate, and a first groove allowing the soil scraper to penetrate through is formed in the side face of the drilling pipe and corresponds to the soil scraper. Soil scraping grooves are formed in the two sides of the soil scraper, soil discharging holes are formed in the bottom of the soil scraper, a soil collecting groove is formed below the soil scraper, and a second groove allowing the soil collecting groove to penetrate through is formed in the side face of the drilling pipe.

The utility model relates to the technical field of land exploration, in particular to a small-area land measuring device, which comprises a folding support, a measuring scale rotationally arranged on the folding support and an inserting rod connected with one end of the measuring scale and capable of being inserted into the ground, and the folding support is used for fixing the position of the measuring scale. The distance from the insertion rod to the measuring scale can be obtained by moving the insertion rod. Compared with a traditional measuring tape which needs to be straightened by multiple persons or a total station needs to be cooperated by a professional team, the operation efficiency is improved.

The application discloses a high-precision positioning method and system for land surveying, and relates to the technical field of land surveying. The method introduces a terrace step line segment set in the land surveying process, and constructs a terrace step section based on a plurality of boundary points continuously collected. The geometric relationship of the boundary points is modeled as a whole by using the consistency feature of the step extension direction and the stability feature of the step height level, so that the positioning result is no longer dependent on the instantaneous satellite positioning solution accuracy of a single boundary point, but can fully utilize the regular geometric structure of the terrace terrain itself to constrain and analyze the boundary points. In this way, in a complex measurement environment with shielding, multipath effect or satellite signal fluctuation, the influence of single-point anomalies on the overall measurement result can be effectively reduced, and the stability and reliability of the terrace boundary measurement result in terms of direction continuity and height consistency can be improved.

This invention relates to the field of petroleum exploration technology, specifically to a soil layer surveying device for petroleum drilling engineering surveying. It includes a main frame and further comprises: a hydraulic telescopic rod, symmetrically and vertically fixed to the main frame; a lifting drive frame, fixed to the top of the telescopic end of the hydraulic telescopic rod; a penetration clamping cylinder, located in the middle of the lifting drive frame, with open upper and lower ends for clamping and allowing the probe rod to pass through; and an auxiliary loading and unloading mechanism located above the penetration clamping cylinder. The auxiliary loading and unloading mechanism includes a loading and unloading sleeve coaxially arranged with the penetration clamping cylinder; a rotating drive ring is coaxially rotatably connected inside the loading and unloading sleeve. This invention integrates the functions of automatic probe rod supply, threaded connection, uniform speed penetration, segmented extraction, and automatic retrieval and storage, forming a complete closed-loop operation process. This reduces the frequent manual handling, alignment, and tightening of heavy physical labor and work interruptions in traditional exploration, significantly improving daily work efficiency.

The utility model discloses a land survey fixed point marking device which comprises a marker post, an electric push rod is fixedly connected to the inner side of the marker post, a pressing block is fixedly connected to the bottom end of the electric push rod, a piston block in sliding connection with the marker post is in contact with the outer side of the pressing block, and a pressure sensor in contact with the piston block is fixedly connected to the bottom end of the pressing block. The bottom end of the inner side of the marker post is fixedly connected with a fixing pipe, the bottom end of the outer side of the marker post is in contact with a fixing frame, and the inner side of the fixing frame is fixedly connected with a rubber sheet. After the marker post is inserted into the ground, the rubber sheet is controlled to continuously expand to tightly squeeze surrounding soil, so that the stability of the device after being inserted into the ground is ensured, the device can be prevented from inclining to the greatest extent when the device is subjected to external force such as external wind, and accurate alignment of a subsequent measuring instrument is ensured.

This invention provides a biomimetic climbing-type high slope geotechnical exploration drilling rig and drilling method, which can achieve reliable fixation on rough, loose, and uneven natural geotechnical slopes. A crawling arm is mounted on the machine body, including a telescopic arm and an anchoring claw. The telescopic arm is slidably mounted on the machine body, and its outer end is connected to the anchoring claw via a gimbal mechanism. A piercing structure is located at the lower end of the housing. An expansion sleeve is fitted outside the housing and connected to an expansion drive mechanism. A telescopic arm drive mechanism is located inside the machine body and connected to the telescopic arm. A drilling mechanism is mounted on the machine body, and a drill rod drive mechanism is connected to the drill rod. A control system is mounted on the machine body and electrically connected to both the crawling mechanism and the drilling mechanism. A battery module is mounted on the machine body and connected to the crawling mechanism, the drilling mechanism, and the control system.

A method, computer system, and a computer program for optimizing land surveying is provided. An associated method includes receiving a plurality of sensor data; receiving a plurality of commands associated with at least a site pertaining to the surveying data; analyzing the surveying data based on the plurality of commands; and rendering a 3D-mapping of the site based on the analysis.

The utility model belongs to the technical field of soft soil exploration sampling devices, and particularly relates to sampling equipment for soft soil area exploration, which comprises a first round rod, the first round rod is of a hollow structure, rectangular blocks are fixedly connected to two sides of the first round rod, a connecting mechanism is mounted on the lower side of the first round rod, and the first round rod is communicated with the connecting mechanism. A third round rod is clamped in the connecting mechanism, a sampling pipe is fixedly connected to the lower side of the third round rod, the sampling pipe is of a structure with an open lower side, a push plate is slidably connected into the sampling pipe, a second round rod is slidably connected into the first round rod, the upper end of the second round rod extends to the upper side of the first round rod, and the lower end of the second round rod penetrates through the connecting mechanism, the third round rod and the sampling pipe. The lower end of the second round rod is in threaded connection with the push plate. According to the utility model, the sampling pipe can be quickly replaced through the connecting mechanism, the replacement convenience is improved, the device is suitable for sampling pipes with different sizes and models, the time for changing the sampling pipe is shortened, and the working efficiency of soft soil sampling is improved.

The application discloses a kind of ground penetrating radar optimal frequency determination methods for detecting frozen soil, it is related to frozen soil survey technical field, including determining frozen soil type based on geological data, shallow soil dielectric constant is obtained using time domain reflectometer;Low-frequency ground penetrating radar detects frozen soil profile and position;Combined with dielectric constant, establish frozen soil simulation model, obtain radar image by multi-frequency scanning;Hilbert Huang transform processes image, draws instantaneous frequency-time curve, calculates three groups of errors;Analysis error determines the best antenna frequency, the method proposed in the application enhances the signal-to-noise ratio when ground penetrating radar detects frozen soil, reduces the influence of clutter on frozen soil reflection wave, clearly shows the range of underground frozen soil in radar image.

To provide a pile construction method for easily determining the maximum bearing capacity of each pile by a loading test using a pile construction machine and economically setting allowable bearing capacity to a long-term load on the basis of the actually found maximum bearing capacity in foundation pile construction of a small-scale building such as a detached house.SOLUTION: The method includes a process of pushing a pile (a) to a predetermined depth by a pile construction machine 1 on the basis of a ground investigation result, applying a load to a pile head by using the pile construction machine 1 as a reaction force, and determining the maximum bearing capacity of the pile (a) on the basis of the load and a settlement amount. Further, in principle, a step of setting the long-term allowable support force of the pile by using a predetermined safety factor of about 1.5 to 2.0 with respect to the maximum support force is performed for all or almost all piles to be constructed. According to the present invention, the actual maximum bearing capacity of each pile (a) is directly confirmed, and the pile can be designed with a safety factor smaller than a conventional one, so that the construction period can be shortened, the foundation can be designed with high accuracy, and the construction cost can be greatly reduced.SELECTED DRAWING: Figure 2

1. Name of the product in this design: Portable land surveying device (urban and rural planning). 2. Purpose of this design: For land area measurement. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to the technical field of land surveying and mapping tables, in particular to a land surveying and mapping table which comprises a surveying and mapping table body used for performing land surveying and mapping work in the field, an external thread column is fixedly connected to the bottom of the surveying and mapping table body, an internal thread sleeve is spirally connected to the outer side of the external thread column, and a ground gripping assembly is arranged at the bottom of the internal thread sleeve. The ground gripping assembly comprises a rubber layer, a fixing ring, a rubber ring, an anti-skid block and a ground gripping nail, the outer side of the inner threaded sleeve is fixedly connected with the fixing ring, the outer side of the fixing ring is fixedly connected with the rubber ring, and the ground gripping nail penetrates through the rubber ring. According to the surveying and mapping table, the surveying and mapping table body is suitable for the uneven ground composed of soil blocks, the universality of the surveying and mapping table body is improved, through the arrangement of the storage assembly, the used ground gripping nails and tools can be conveniently stored, and meanwhile the drawer can be conveniently and easily fixed.

This application discloses a method and apparatus for simulating snow runoff based on a SWAT model and remote sensing inversion, relating to the field of refined watershed runoff management technology. The method includes: performing cloud removal operations on optical remote sensing data of the target area to obtain cloud-free imagery; determining various satellite remote sensing parameters based on the cloud-free imagery using optical remote sensing and remote sensing inversion techniques; downloading various climate data for the target area based on ERA5 data; and simulating snow runoff in the target area using a SWAT model based on soil survey data, various satellite remote sensing parameters, and various climate data. This application's snow runoff simulation based on soil survey data, various satellite remote sensing parameters, and various climate data can improve the accuracy of snow runoff simulation in information-scarce areas.

The invention relates to a very-high-resolution seismic exploration system and method for dredging rock and soil, and the system comprises an electromagnetic pulse excitation subsystem which employs an electromagnetic-driven high-frequency controllable seismic source and generates broadband seismic waves through pulse-type energy release; the broadband signal acquisition subsystem adopts a high-sensitivity broadband geophone array, is matched with a distributed node acquisition system and is used for receiving seismic wave signals; the velocity field dynamic calibration subsystem is used for calibrating a seismic wave propagation velocity field in real time based on a multi-coverage observation system and a velocity analysis algorithm; and the geological interpretation subsystem is used for processing and interpreting the calibrated seismic data to generate a geological model. Cooperative work of key links such as seismic source excitation, signal acquisition, speed modeling and geological interpretation is achieved, the system integration degree and the field operation efficiency are remarkably improved, and stable technical support is provided for large-range and continuous dredging geotechnical investigation.

The invention relates to the technical field of agricultural soil exploration, and discloses a soil crushing and scattering device and method for agricultural geological exploration. The eccentric vibration table is arranged in the crushing cylinder and is correspondingly arranged below the feeding pipe; the ultrasonic cavitation mechanism is arranged on the inner side wall of the crushing cylinder and corresponds to the table surface of the eccentric vibration table; the high-voltage electric pulse crushing mechanism is arranged on the inner side wall of the crushing cylinder and corresponds to the table top of the eccentric vibration table. A hard soil block is vibrated through the eccentric vibration table, initial cracks are generated on the surface and in the soil block, then the initial cracks are expanded into a forked crack net through the ultrasonic cavitation mechanism, and the hard soil block with the forked crack net is crushed into soil particles through the high-voltage electric pulse crushing mechanism. Compared with the prior art, hard soil blocks can be crushed into soil particles, the crushing and scattering effect is better, and the device has a good application prospect and a wide application range.

This invention relates to the field of land surveying technology, specifically to a pile driving and excavation device for land surveying and positioning. The device includes a mobile unit with a vertically arranged guide frame fixedly mounted on its front side. A hammering mechanism is slidably mounted inside the guide frame along the vertical direction. Vertically extending slide rods are fixedly mounted on both sides of the guide frame, and each slide rod is slidably fitted with an anti-deviation mechanism. The two anti-deviation mechanisms are configured to move towards each other to clamp the pile rod and limit its lateral deviation. Anti-rebound mechanisms are respectively provided on both sides of the bottom of the guide frame. The hammering mechanism and the two anti-deviation mechanisms are connected by a common drive unit. When the drive unit drives the hammering mechanism downward to hammer the pile rod, the invention uses a rack and pinion meshing with a side gear to drive the arc-shaped pressure rod to flip and engage with the slot in the mounting base. Under the pre-tension of the elastic element, a mechanical self-locking mechanism is formed, effectively preventing the pile rod from rebounding and ensuring accurate and reliable pile driving depth.