86 results about "Soil survey" patented technology

The invention belongs to the technical field of land survey, and particularly discloses an aerial image analysis-based land survey method, which comprises the following steps of: performing preliminary evaluation on topographic features of a target area before aerial photography to determine a topographic type, and further flexibly adjusting aerial photography position parameters according to the topographic type in actual aerial photography. Therefore, the aerial image can better fit the terrain state of the target area, and the reliability and accuracy of the aerial image serving as a subsequent land size measurement reference can be guaranteed to the greatest extent, so that the problem of boundary extraction failure caused by terrain change during boundary extraction is remarkably reduced, the measurement deviation is reduced, and the overall precision of land measurement is improved. Meanwhile, dynamic land size measurement based on the aerial photography period is added after land size measurement is carried out through the aerial photography image, then land size change evaluation is carried out through the dynamic land size measurement result, the land size change can be found and quantified in time, and a scientific basis is provided for decision making.

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 relates to the technical field of land measurement, and provides a land resource land management measuring device which comprises two mounting boxes and a fixing frame, positioning marking assemblies are mounted in the two mounting boxes, sleeves are welded and fixed to the top end faces of the mounting boxes, adjusting rods are slidably connected in the sleeves, and the adjusting rods are movably connected with the fixing frame. A laser range finder is fixed in the fixing frame through bolts, a laser transmitter and a laser receiver are mounted on the laser range finder, a folding protection assembly is mounted in the fixing frame, the positioning marking assembly comprises a storage box and a connecting cylinder, a guide groove is formed in the side end of the connecting cylinder, and a positioning mark is mounted in the guide groove. A center rod and a supporting rod are welded and fixed to the bottom end of the connecting cylinder, a sliding block is hinged to the bottom end of the supporting rod, and the sliding block is slidably connected to the top of the pressing plate in a limited mode. By means of the technical scheme, the problem that in the prior art, a land measurement device cannot conduct automatic and stable fixed-point marking work on the measurement starting point and the measurement end point is solved.

The utility model relates to the technical field of environment treatment, in particular to a soil survey sample on-site preparation device which comprises a U-shaped frame, a partition plate which divides the U-shaped frame into a first area and a second area is connected in the U-shaped frame, a through hole which is communicated with the first area and the second area is formed in the partition plate, a tray is connected in the first area of the U-shaped frame, and the tray is provided with a through hole which is communicated with the first area and the second area. An inclined screening disc is arranged above the tray, the lowest edge of the surface of the screening disc extends to the through hole, so that samples which do not pass through the screening disc are obliquely conveyed to the second area towards the through hole, and the screening disc is connected to the tray and / or the partition plate. Obtained soil samples are preliminarily screened by introducing the inclined screening disc, after the samples fall to the screening disc in the first area, large-particle samples which do not pass through meshes under the action of gravity automatically roll to the second area, preliminary screening and separation of the samples can be conveniently completed, and time and labor are saved.

1. The name of this design product: Surveying and Mapping UAV (Geographic). 2. Purpose of this design product: for land surveying and mapping. 3. The key point of the design of this product lies in its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

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 invention belongs to the technical field of soil exploration, particularly relates to a soil exploration sampling device and method based on historical and cultural building protection, and aims to solve the problem of low efficiency caused by repeated drilling according to different sampling depths in exploration, the following scheme is provided: the device comprises a ground frame, and the upper side of the ground frame is fixedly connected with a sampling frame; a gravity drilling module is arranged above the ground frame, a bottom table is arranged at the lower end of the sampling frame, the bottom table is located on the upper side of the ground frame and fixedly connected with the ground frame, and a drilling outer protection assembly is arranged on the bottom table. According to the soil surveying and sampling device and method based on historical and cultural building protection, the gravity drilling module performs surveying and drilling operation through the gravity of the gravity drilling module, the drilling outer protection assembly can protect and support an external soil layer of a surveying hole, the sampling module can inversely contain the soil layer in the surveying hole, soil sampling is facilitated, and the sampling efficiency is improved. The repeated drilling operation is avoided, and the surveying and sampling efficiency is effectively 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.

The present invention belongs to the field of soil remediation, and specifically relates to a method for remediating organically contaminated soil using low-temperature thermal desorption in conjunction with low-dose persulfate, comprising: S1, soil survey to determine the target range for remediation; S2, clarifying the physical and chemical properties of the organic pollutants detected in S1; S3, determining process parameters; S4, arranging heating wells, extraction wells, and injection wells; S5, starting the heating wells and operating the in-situ low-temperature thermal desorption process; S6, injecting persulfate to degrade pollutants; and S7, detecting the effect of pollutant removal. The present invention, through the design of process modes and process parameters and the continuation of operating time, cleverly utilizes heating in a relatively low-temperature range to first remove volatile organic pollutants in the soil, while simultaneously rendering the soil's own organic active components inert. The residual heat is then used to activate persulfate and subsequently remove less volatile organic pollutants, effectively coupling physical-chemical remediation technologies and reducing remediation costs. The present invention is highly operational and has a high removal efficiency.

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.

The utility model relates to the field of land survey equipment, in particular to a fixed point marking device for land survey, which comprises a rotating shaft, a wheel fixed on the rear side of the rotating shaft, a sleeve roller sleeved in the middle of the rotating shaft, a handle fixed on one side of the sleeve roller, and a marking mechanism comprising a spiral arc plate fixed on the front side of the rotating shaft, the top of the spiral arc plate is slidably connected with a push rod, the front side of which is fixed with an ink cylinder. The rotating shaft rotates to drive the spiral arc plate to rotate in the clockwise direction, then the push rod and the ink cylinder are driven to move upwards and then fall down rapidly, the ink cylinder falls down rapidly, the thorn cone is inserted into the deep position of the land, the thorn cone makes contact with the land and then ejects the rotating ball upwards, and then ink in the ink cylinder flows out of the outer side of the rotating ball. Therefore, the ink mark is not easy to damage, the definition and the durability are improved, and the smooth proceeding of subsequent review and construction is facilitated.

The invention discloses a land measurement device for land and forest land management, and belongs to the technical field of land measurement, the land measurement device for land and forest land management comprises an unmanned aerial vehicle and a laser radar, the laser radar is fixedly arranged at the bottom of the unmanned aerial vehicle, and the laser radar comprises a host, a side panel and a radar head, the main engine is fixedly arranged at the bottom of the unmanned aerial vehicle, the side panel is fixedly arranged at the bottom of the main engine, the radar head is arranged on the side wall of the side panel, and a rainproof cover is arranged on the side panel and located outside the radar head; two rotating rings are arranged on the side wall of the rainproof cover, a connecting rod is arranged between the two rotating rings, a scraper is arranged on the side wall of the side, facing the rainproof cover, of the connecting rod, and the scraper abuts against the side wall of the rainproof cover. According to the invention, the rain cover is arranged outside the laser radar, and the wind generated in the flight process of the unmanned aerial vehicle is used for cleaning the raindrops outside the rain cover, so that the influence of the raindrops on the measurement process of the laser radar is effectively reduced.

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 present invention is a system and method for agricultural management-zone delineation to be done over broad geographic extents without overly-localized field-specific data. The instant innovation guides precision agricultural sampling and management by delineating enhanced management zones based upon remote sensing and artificial intelligence and combining the two with data derived from an existing countrywide soil survey database. In an embodiment, the instant innovation uses artificial intelligence from multiple sources to provide granular zone detail. Output of the present innovation can be aggregated to produce management zone sizes that have a level of uncertainty compatible with the needs of the customer-farmer and implementable given the capabilities of available equipment.

The present invention discloses a sample collection device for soil surveys, comprising a device body and supporting bases fixedly mounted on the left and right sides of the bottom surface of the device body; rotating guide rods are disposed within the supporting bases on both sides of the device body, rotatable laterally via bearings; lifting threaded rods are disposed vertically via bearings on both sides of the device body; and a guide plate is pre-set laterally above the device body; a recovery guide wheel is fixedly mounted on the inner outer wall of the rotating guide rod within the supporting base, and a guide gear is fixedly mounted on the outer outer wall of the rotating guide rod; and a drive mechanism is fixedly mounted within the guide plate. This sample collection device for soil surveys utilizes the weight of the device body to increase stability during sampling. Its overall structure is relatively simple, and its manufacturing cost is lower than that of commercially available electric sampling tools, thereby reducing sampling costs.

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 present invention relates to the technical field of soil survey sampling, and discloses a soil sampling device and a method for using the same, comprising: a main body and a disassembly part, wherein the main body comprises a sample pushing mechanism, and the disassembly part comprises a cleaning mechanism and a hard soil pushing auxiliary mechanism, wherein the cleaning mechanism is movably arranged at the bottom of the sample pushing mechanism, and the hard soil pushing auxiliary mechanism is movably arranged at the top of the sample pushing mechanism, and the hard soil pushing auxiliary mechanism comprises a connecting unit, a reversing unit, a winding and pulling unit, a transmission unit, and a pull rope unit, wherein the connecting unit is arranged on the surface of the sample pushing mechanism, and the reversing unit is arranged on the top of the sample pushing mechanism. The soil sampling device and the method for using the same can remove the soil sample inside the ring knife through the sample pushing mechanism after the ring knife has sampled, ensuring that the ring knife can sample again, thereby avoiding the need to carry more ring knives and avoiding the limitation of the number of samples on the number of ring knives during sampling.

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.

The utility model relates to the technical field of land measuring equipment, and discloses convenient land measuring equipment which comprises a telescopic sleeve, a handle is fixedly connected to the outer wall of the telescopic sleeve, a supporting column is slidably connected to the inner wall of the telescopic sleeve, a rotating shaft is rotatably connected to the interior of the telescopic sleeve, a first rotating handle is fixedly connected to the outer wall of the rotating shaft, and a second rotating handle is fixedly connected to the outer wall of the first rotating handle. A first shaft gear is fixedly connected to the outer wall of the rotating shaft, a second shaft gear is connected to the outer wall of the first shaft gear in an engaged mode, a first threaded shaft is fixedly connected to the lower surface of the second shaft gear, and a supporting assembly is arranged on the upper surface of the telescopic sleeve and used for supporting an adjusting structure. According to the utility model, the first fixing shaft drives the supporting column to perform telescopic lifting movement in the telescopic sleeve, so that the portability of the device during storage and carrying is achieved, the height of the measuring device can be adjusted according to different measuring requirements, and the effect that the measurement is more accurate and convenient is achieved.

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 present invention discloses a method and device for automatically refining the fuzzy positions of historical soil survey sampling points. The method mainly includes: performing structured processing on the scene description text of the target sampling point and the reference sampling point to obtain location information and geographic scene information; loading the geographic element vector layer to generate a geographic scene unit layer; eliminating scene units that are not adjacent to the sampling point through preliminary data screening; using the reference sampling point positioning data as an important reference standard, using the entropy method to obtain the geographic scene feature importance weight; matching the target sampling point with the scene unit one by one, and calculating the similarity between the target sampling point and each scene unit in the geographic scene unit layer based on the membership function and the feature importance weight, and then finding the scene unit with the highest similarity, and assigning the precise position of the target sampling point to the center point position of the scene unit. The present invention is time-saving and highly accurate.

This invention belongs to the field of soil survey technology, and in particular relates to a soil survey whole-section soil sample collection device, including a stainless steel frame. Support rods are welded and fixed to the inner sides of both the upper and lower ends of the stainless steel frame. A push-and-unload component is installed between two of the support rods. This invention allows for convenient and labor-saving vertical insertion of the stainless steel frame into the soil profile via a cutting section. Furthermore, by pulling the handle to the right, two protruding pillars move along an "L"-shaped guide groove at the top of the stainless steel frame, allowing the cutting plate to first rotate parallel to the baffle and then stably move to the right. This enables the separation and cutting of the collected soil sample from the soil, facilitating sample detachment and ensuring that the entire soil sample is collected in one operation. The operation is simple.

The present invention relates to the technical field of on-site basic soil survey, and specifically relates to a subgrade compaction degree detection method, device and system, including: obtaining the wet weight of the soil sample at the subgrade experiment site after repeated hammering and the dry weight after further drying to determine the current dry density of the soil sample; obtaining the density time series, humidity time series, pressure time series and applied pressure time series during the repeated hammering of the soil sample to determine the current fitting weight of the soil sample; adjusting the water content of the soil sample, and performing weighted curve fitting on the dry density of the soil sample at different water contents according to the fitting weights of the soil sample at different water contents, so as to obtain the maximum dry density and determine the compaction degree of the soil sample. The present invention generates a more accurate fitting curve to improve the accuracy of subgrade compaction degree detection.