122 results about "Soil survey" patented technology

The invention discloses a deep sampling device for ecological restoration soil investigation, and relates to the technical field of sampling. The linkage mechanism is mounted on the sliding part of the first linear sliding rail and can automatically move along the guide rail part of the first linear sliding rail, and a rotatable connecting sleeve is arranged at the bottom of the linkage mechanism; the end portions of the sampling barrels are detachably connected in a sealed mode, a plurality of liquid injection holes are formed in the barrel wall of each sampling barrel from one end in the axis direction in a penetrating mode, and a plurality of non-penetrating liquid injection holes are formed in the side wall of the drilling barrel from the end, connected with the sampling barrels, of the drilling barrel inwards in the axis direction. The multiple sampling barrels are detachably connected in a sealed mode and suitable for sampling soil of different depths, sampling pollution is avoided through sealed sampling, after sampling is completed, a polymer curing agent is injected into the liquid injection hole to cure soil at the bottom end, the risk that the sampled soil slides down in the lifting process is avoided, and the sampling and collecting quality is guaranteed.

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 historical soil survey text-based land utilization information extraction method and system. The method comprises the following steps of: establishing a plant name dictionary of three land utilization types of paddy fields, dry lands and other forest lands in a research area; reading a vegetation description text Vi of a sampling point from a historical soil survey text of a research area, judging whether the Vi contains plants in a plant name dictionary or not, if so, assigning a land utilization type corresponding to the plant to a related variable of a species name, assigning a coverage value corresponding to full coverage to the coverage, storing the coverage in a species information list, and if not, assigning the coverage value corresponding to the full coverage to the species information list; otherwise, using a regular expression and an information extraction method to obtain names and coverage degrees of main species, and storing the names and the coverage degrees in a species information list; for each element in the species information list, extracting a corresponding life type from a preset plant website by using a web crawler technology; and inferring the land utilization type of the sampling point according to the life type and the corresponding coverage degree. The method is high in efficiency.

The invention relates to the technical field of land measurement equipment, and discloses a land resource land management measurement device with accurate measurement, which comprises a measurement rotating wheel for measuring land size by means of rolling of a circumferential surface, a U-shaped frame is arranged on the outer side of the measurement rotating wheel, and a wheel shaft of the measurement rotating wheel is rotatably connected with the U-shaped frame through a bearing seat; the cleaning unit is installed on the U-shaped frame and used for cleaning the outer surface of the measuring rotating wheel, a transmission unit is arranged on the outer side of one wheel shaft of the measuring rotating wheel, and an impurity removing unit used for blowing in the rolling process of the measuring rotating wheel is installed at one end of the U-shaped frame; dust and impurities attached to the surface of the measuring rotating wheel can be cleaned in the measuring process, it is guaranteed that no dust or dirt is accumulated on the surface of the measuring rotating wheel, and the measuring precision is guaranteed; and the designed impurity removal unit can perform injection in the rolling process of the measurement rotating wheel, so that the measurement rotating wheel is prevented from being blocked by small-particle impurities in the advancing direction of the measurement rotating wheel in the moving process.

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 regional scale soil carbon density and carbon reserve estimation method, medium and equipment, and relates to the field of soil survey statistics, and the regional scale soil carbon density and carbon reserve estimation method mainly comprises the following steps: extracting data required by a model, carrying out grid layer space superposition operation and statistical analysis, and calculating the carbon density and carbon reserve of the model; obtaining a soil carbon density spatial distribution diagram, further obtaining a grid-based soil carbon reserve spatial distribution diagram, and finally obtaining the soil carbon reserve of the whole research area by utilizing a grid statistical command. By implementing the regional scale soil carbon density and carbon reserve estimation method, medium and equipment provided by the invention, accurate estimation of the regional scale soil carbon reserve and carbon density can be effectively realized, and spatial distribution characteristics of the carbon reserve and carbon density can be visually displayed.

The utility model belongs to the technical field of sampling equipment, and particularly relates to soil survey sample sampling equipment which comprises a base and a frame fixedly mounted on the base, an electric push rod is fixedly mounted in the frame, one end of the electric push rod is fixedly connected with a supporting plate, and a box is fixedly mounted on the supporting plate. A stepping motor is fixedly mounted in the box body, the output end of the stepping motor is fixedly connected with a sampling cylinder, and the bottom end of the sampling cylinder is fixedly connected with a drill bit. According to the utility model, the electric push rod and the sampling cylinder are arranged, so that the soil investigation sample sampling equipment can automatically sample a sample, the electric push rod can push the support plate to move to enable the sampling cylinder and the drill bit to move downwards, the stepping motor can drive the drill bit to rotate through the sampling cylinder, and the drill bit can drill the soil after being in contact with the soil; and the drilled soil enters the sampling barrel to be collected, so that the purpose of automatically sampling is achieved, and the labor intensity is reduced.

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 invention discloses a soil data rapid extraction, integration and cartographic updating method and system based on a knowledge-enhanced large language model, and the method comprises the steps: carrying out the textualization processing of soil survey data and the construction of a knowledge base, obtaining background knowledge assisting the large language model in soil data extraction through RAG retrieval, and fusing the background knowledge with an input literature text; constructing an optimized soil data extraction prompt by utilizing a thinking chain prompt method, and accurately and quickly extracting soil data in literatures; cleaning and treating the extracted heterogeneous soil data to form standard and unified structured soil data, and integrating the structured soil data with historical soil data; and coupling environmental factor data influencing the soil, and drawing and updating the region by using an empirical Bayesian Criging regression method. The method can replace manual work to extract the soil data in the literature, and complete the cleaning and integration of the extracted data and the updating of the regional soil map, thereby greatly improving the efficiency of public source soil data acquisition and map updating.

The utility model relates to the technical field of measurement point fixing, in particular to a portable land measurement point fixing device which comprises a base used for moving, a pile outlet mechanism is arranged at the upper end of the base, the pile outlet mechanism comprises a first vertical plate and a second vertical plate which are fixedly installed at the upper end of the base, and a first servo motor is arranged at the upper end of the first vertical plate. An output shaft of the first servo motor is fixedly connected with a first belt pulley, the first belt pulley is in transmission connection with a second belt pulley through a belt, the second belt pulley is fixedly connected with one end of a first screw rod, and the other end of the first screw rod penetrates through the first vertical plate and is rotationally connected with a second vertical plate. The multiple sets of fixed-point marker posts can be fixedly installed on the collecting and storing barrel, the stored fixed-point marker posts can be conveniently printed out, the collecting and storing barrel is driven by the first servo motor and the stepping motor to move and rotate, and the fixed-point marker posts can be conveniently and continuously printed out.

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.

The invention relates to the technical field of measurement, in particular to a land surveying instrument and a using method thereof. The land surveying instrument comprises a land surveying instrument body; the device further comprises a wearing assembly. The wearing assembly comprises a mounting mechanism and a bandage mechanism; during specific use, the land survey meter body is mounted on the mounting mechanism, then the mounting mechanism is bound to an arm through the binding belt mechanism, finally, the land survey meter body is started and debugged, and after debugging is completed, a worker walks a circle along the edge of a land with the area needing to be measured with the land survey meter body. The measurement of the land area can be realized; by adopting the mode, the land survey meter body is bound to the arm of a worker, so that the land survey meter does not need to be held by hand when walking along the edge of the land with the area needing to be measured, the situation that the land survey meter cannot be held stably and falls off is avoided, and the problem that an existing land survey meter is prone to falling off from the hand of the worker and being damaged during outdoor measurement is solved.

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 present invention relates to the technical field of land surveying equipment, and discloses a high-precision construction land surveying device for national land space planning, comprising a hand pole, a mounting bracket arranged on the top of the hand pole, a measuring instrument arranged on the surface of the mounting bracket, and a vertical adjustment component arranged at the bottom of the hand pole, wherein the vertical adjustment component specifically comprises a grounding sleeve sleeved on the bottom of the hand pole, a connector flexibly connected between the hand pole and the grounding sleeve, a rotating groove provided on the inner wall of the grounding sleeve, a top supporting sleeve and a push spring slidably inserted into the storage groove. The high-precision construction land surveying device for national land space planning, by providing a vertical adjustment component, even if the grounding sleeve is in an inclined state when standing on the bottom surface, the rotating platform can still keep the horizontal platform upward and parallel to the horizontal plane due to the weight, so that the hand pole can be kept in a vertical state, and the measuring instrument is also kept vertical, and the influence of the ground environment is reduced, which is conducive to improving the measurement accuracy.

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.