102 results about "Residual soils" patented technology

The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a subsurface erosion particle system mechanical property testing method based on physical state reproduction and dynamic expansion, which comprises the following steps: S1, subsurface erosion test and fine particle collection: filling a sample soil body by using a subsurface erosion tester, and carrying out a seepage action test; s2, lossless sampling and CT image acquisition: carrying out lossless sampling on the residual soil sample after the subsurface erosion test, and acquiring a CT scanning image of a particle system of the residual soil sample; s3, image processing and structural feature extraction: processing the CT scanning image, and extracting structural features; s4, establishing a numerical model: establishing the numerical model to simulate the mechanical properties of the soil body; and S5, three-axis simulation and mechanical property calculation: carrying out a three-axis simulation experiment on the numerical model. According to the invention, high-precision modeling and intelligent analysis of the microstructure and mechanical behavior of the subsurface erosion soil body are realized, and the test efficiency and the reliability of engineering application are remarkably improved.

The invention provides a granite residual soil side slope intelligent anchoring system and an instability early warning method, and the system comprises a multi-source sensing monitoring module which is used for collecting side slope rock-soil body permeability parameters, anchoring structure states and environment data in real time; the dynamic osmotic analysis module is used for dynamically correcting the osmotic coefficient and dividing a saturation region according to the real-time osmotic parameters in combination with the disintegration characteristics of the granite residual soil; the intelligent anchoring regulation and control module is used for regulating the prestress of the anchor rod and the working state of the drainage hole in real time based on the permeation saturation area distribution and the anchor rod state data; and the CNN instability early warning module is used for fusing the multi-source sensing data through a convolutional neural network, outputting a slope instability index and triggering early warning. The technical problems that an existing side slope anchoring system cannot accurately capture the penetration sudden change and anchoring degradation coupling risk of granite residual soil under heavy rainfall, the early warning precision is low, and response lags are solved.

The invention discloses a small watershed nitrogen and phosphorus load accounting method based on key process parameter calibration, and the method comprises the steps: obtaining the basic geographic hydrological data of a target small watershed, the data comprising the areas of different land utilization types in the watershed, the flow length of a water collection region river channel, and the average flow velocity; based on the hydrology and water quality monitoring data of the long-time sequence of the catchment area, adopting a Bayesian inversion model to quantitatively identify the nitrogen and phosphorus output coefficient of each land utilization type; calculating a soil nitrogen and phosphorus output load in the catchment area, determining a natural reduction coefficient of a nitrogen and phosphorus first-order river, and calculating transport time of nitrogen and phosphorus from a starting point of a river channel of the catchment area to a water outlet and transport time of soil output nitrogen and phosphorus from a tributary estuary to the water outlet of the catchment area; and calculating the water collection area outlet nitrogen and phosphorus load. According to the method, the overestimation error caused by the fact that a production and pollution discharge coefficient method is adopted in a traditional method is remarkably reduced through fusion of'pollution source nitrogen and phosphorus entering the river-remaining soil output-along-the-way natural reduction 'ternary accounting, the accuracy of load accounting is improved, the feasibility and advantages of the technical scheme are verified, and the method is particularly suitable for small watersheds with deficient basic data.

The utility model discloses a soil layer sampling detection device, which belongs to the field of soil layer detection and comprises a central plate, support frames are fixedly connected to two sides of the central plate, a protective shell is fixedly connected to the side surface of one support frame, and a double-shaft motor is fixedly connected to the top of the other support frame. Through a double-shaft motor, a first driving mechanism, a second driving mechanism and a cleaning assembly, the double-shaft motor drives a driving rod and a lead screw to rotate, the lead screw rotates to drive a lifting frame and a sampling pipe to move upwards, then when the lifting frame moves upwards, a toothed rod is driven to move upwards, a bent toothed rod is driven to move downwards through a gear, and the bent toothed rod moves downwards to drive a push rod to move downwards; meanwhile, the driving rod rotates to drive the driving barrel to rotate, the driving barrel rotates to drive the downward-moving push rod to move downwards, then the push rod moves downwards to drive the push plate and the cleaning brush sleeve to enter the sampling pipe, the cleaning brush sleeve is rotated to clean the inner wall of the sampling pipe, and therefore it is avoided that soil left on the inner wall of the sampling pipe influences the accuracy of sampling detection next time.

The present invention relates to a special sampling device for soil in a peat swamp wetland, comprising a base plate, a slide plate symmetrically arranged on the bottom of the base plate, an arc-shaped pressure plate arranged on the rear side of the bottom of the base plate through a bracket, a push handle arranged on the front side of the top of the base plate, a drilling mechanism arranged on a fixed plate and the center of the base plate, a sampling mechanism arranged in the drilling mechanism, and a cleaning mechanism arranged in the sampling mechanism; the present invention can solve the following existing problems: the present invention separates and collects soil and moisture in a storage cylinder and a storage cover through the cooperation of a moving tube and a hollow round cake, and then cleans the storage cylinder and the storage cover with the collected water after the sampling is completed, thereby preventing residual soil from contaminating the sample; the present invention realizes sampling of soil at different depths in a peat swamp through the cooperation of an arc groove and an arc-shaped sampling plate, thereby reducing the labor intensity of staff; and also prevents soil from entering the cylinder and contaminating the inner wall of the cylinder through the cooperation of a strip block and a mud guard.

The utility model discloses a mountain area highway road shoulder earth accumulation removes device belongs to highway maintenance equipment technical field. Including the car body, the car body side fixedly be provided with two support plate, and the support plate is rotationally connected with the rotating frame on, and the rotating frame verticality is established, and the scraper fixed connection in the rotating frame below can remove the residual soil of the cleaning push plate working surface, and the spray head can be washed to the cleaning push plate working surface and is located on the support, and the spray head is towards horizontal direction, and the rotating frame that can drive the spray head to rotate to vertical downward direction is connected with the support plate through the rotating mechanism. The present application is through setting up the scraper and the lifting plate, can scrape the mud that adheres on the cleaning push plate quickly. Without manual intervention, the continuity and high efficiency of cleaning operation are guaranteed. At the same time, the rotating mechanism can drive the spray head to rotate, not only can reduce dust in the earth accumulation removal process, still can wash the cleaning push plate, one can achieve two effects.

The invention discloses a soil screening and impurity removing device for medicine mud. The soil screening and impurity removing device comprises a supporting frame, a screening part for screening soil is fixedly connected to the supporting frame, a collecting part for collecting impurities left in the screening part is arranged in the screening part, and a driving part for driving the collecting part to rotate and move is arranged on the screening part; impurities are collected during rotation through a collecting barrel and a stirring plate of the collecting part, the stirring plate turns over the impurities to enable the adhered fine soil to be separated, the impurities are screened out through a second screening hole and a third screening hole, when the collecting part moves to an AB area of the screening part along with the driving part, the impurities fall onto a flow guide plate through a large discharging hole, and therefore the impurities are removed. And residual soil particles in the impurities are further screened through fourth screening holes of the screening part, fine soil enters a discharging box to be discharged, large impurities are directionally discharged from a discharging groove along the inclined surface of a flow guide plate, accurate separation of the impurities and the soil is achieved through the collaborative design, the soil loss rate is reduced, and the impurity collecting process is simplified.

The sampling device comprises a mounting plate, a fixing frame and a mounting frame are sequentially arranged on the mounting plate from top to bottom, a sampling mechanism is arranged on the mounting frame, a sampling opening is formed in the position, opposite to the sampling mechanism, of the mounting plate, and the sampling mechanism comprises a sampling barrel and an extrusion block arranged in the sampling barrel. An extrusion assembly is arranged in the sampling barrel and drives an extrusion block to slide relative to the inner wall of the sampling barrel, so that the sample is extruded, and meanwhile, a lifting mechanism for driving the sampling mechanism to axially move is arranged at the bottom of the mounting frame. The problem that in the prior art, residual soil in a sampling barrel interferes with next soil sampling detection is solved.

A kind of foundation settlement calculation method considering construction leveling, comprising the steps of: determining the unloading amount, depth range and layer thickness of foundation pit excavation area;According to Boussinesq solution, the additional stress of the center of the jth layer soil caused by foundation pit unloading is calculated, and the self-weight stress distribution of foundation is calculated, the additional stress is obtained by MATLAB programming calculation;The total rebound amount is obtained by layer summation method;The soil particle volume of layer soil thickness is obtained based on the total rebound amount;The lower limit of soil plasticity index limit is taken as the moisture content of the rebound part of soil body, and the soil particle volume of the rebound part of soil body is obtained;The volume of the first layer of residual soil particles after construction leveling is obtained;The first layer settlement is calculated, and the total settlement after construction leveling is obtained by adding the settlement of other layers.The present application considers the construction leveling factor in foundation pit engineering to calculate the foundation settlement, deduces the pore ratio of pit bottom after construction leveling in theory, and saves a lot of time by programming calculation of additional stress, and avoids the error of manual table lookup value.

The invention relates to the technical field of soil pollution detection, in particular to soil environmental pollution detection sampling equipment which comprises a tubular protective shell and supporting legs mounted on the tubular protective shell. A mounting ring block is connected in the tubular protective shell in a sliding manner, and the tubular protective shell is connected with the plurality of first driving pieces through convex blocks; sampling interference and pollution are avoided by rotationally cutting obstructions through the conveying pipe, sealing in the soil conveying process is achieved through a corrugated pipe, a spiral sealing ring and an elastic ring, the device is prevented from being polluted, and workers do not need to make contact with samples; furthermore, after sampling, the second annular scraping block rotates along with the conveying pipe after friction is increased by means of a convex ball, the soil on the outer wall is scraped and thrown off, and after the water storage tank is matched with water conveying to wet the residual soil, the first annular scraping block scrapes and throws off for the second time, and disassembly and washing are not needed.

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 invention relates to the technical field of land leveling engineering, in particular to a high-precision land leveling operation device based on Beidou positioning, which comprises a driving chassis, the top of the driving chassis is provided with a cockpit, and the top of the cockpit is provided with a laser radar. And cameras are installed at the positions, located on the two sides of the laser radar, of the top of the driving chassis, a Beidou satellite navigation device is installed at the top of the driving chassis, and a first mechanical arm and a second mechanical arm are installed on the outer side wall of the cockpit. The excavator bucket is responsible for excavating and transferring a large-area soil layer, the clamping jaw is responsible for accurately clamping stones and normalizing soil, and the excavator bucket and the clamping jaw cooperate with each other, so that the problem that a single operation mechanism cannot thoroughly treat terrain defects is solved, the land leveling quality is greatly improved, a special collection hopper is arranged, centralized collection and transferring of stones and muck are achieved, secondary scattering is avoided, and the subsequent cleaning cost is reduced. And the working environment is optimized.

The invention relates to a residual soil slope instability intelligent identification method and system fused with multi-source monitoring data. The method comprises the steps of generating a plurality of historical health multi-source spatial-temporal feature tensors according to historical original monitoring data to obtain a training sample set, performing unsupervised training on a deep convolution auto-encoder model to obtain a health reference reconstructor, and calculating health error distribution reference parameters; generating a real-time multi-source spatial-temporal feature tensor according to the real-time original monitoring data, and calculating a real-time anomaly score in combination with a health reference reconstructor; and comparing the score with a dynamic early warning threshold, and when the judgment result is abnormal, generating structured early warning information based on the real-time multi-source spatial-temporal feature tensor and the reconstruction tensor. According to the method, multi-source monitoring data are fused, unsupervised learning is carried out by using a deep convolution auto-encoder model, and the like, so that the accuracy and reliability of instable judgment of the residual soil slope are improved, and the real-time performance of slope stability monitoring and the dynamic adaptability of early warning are enhanced.

The invention relates to the field of survey sampling, in particular to a soil body sampling device and method for penetrating through a tunnel in a broken fault zone, the device comprises a supporting framework, a mounting base, a sampling component, a first driving component and a second driving component, the sampling component comprises a sampling pipe and a mandrel, and a spiral blade is arranged on the outer wall of the mandrel; the sampling pipe sleeves the outer side of the core shaft, the sampling pipe and the core shaft are rotationally connected to the mounting seat, the first driving part is used for driving the sampling pipe to move along the height direction of the supporting framework, the movement of the sampling pipe drives the mounting seat to slide along the slide way so as to drive the core shaft to move, and the second driving part can drive the core shaft to rotate. And the mandrel rotates to discharge the sample. The device is reasonable in structural design and simple and convenient to sample, the risk that soil falls off or is disturbed in the lifting and transporting process can be remarkably reduced in the sampling process, the collected soil sample can be easily and completely taken out, and meanwhile, redundant or residual soil can be efficiently discharged.

The present invention discloses a shallow anti-scour and deep anti-slip support device for a granite residual soil slope, comprising a lattice beam reinforcement structure provided on the slope surface, a jet-jet anchor cable anchored within the slope and fixedly connected to the lattice beam reinforcement structure, FRP bars sleeved within the jet-jet anchor cable and fixedly connected to the lattice beam reinforcement structure, and a MICP bacterial solution and nutrient solution injected into the granite residual soil of the slope via the jet-jet anchor cable. The present invention also discloses a support method. The present invention utilizes a jet-jet anchor cable to perform MICP treatment on the granite residual soil slope, greatly facilitating the uniform infiltration of the MICP bacterial solution and nutrient solution into the surrounding granite residual soil, thereby improving the strength of the surrounding soil. Furthermore, by sleeve-jetting the FRP bars within the jet-jet anchor cable and anchoring the two together, a high-resistance and long-life anchor cable is formed, exhibiting improved anchoring and anti-slip performance, thereby increasing the anchoring force required for deep sliding of the anchor cable.

The utility model relates to the field of environmental treatment and discloses a soil in-situ ecological restoration treatment device which comprises a sleeve, a handle used for operating the sleeve is fixedly arranged at the top of the sleeve, a restoration agent injection pipe used for injecting restoration agents into soil is fixedly arranged at the circle center of the bottom of the sleeve, and a side plate is fixedly arranged on the outer wall of the sleeve. The outer wall of the sleeve is slidably sleeved with a ring sleeve, the device further comprises a residual soil cleaning assembly, through the designed residual soil cleaning assembly, especially the arrangement of a soil scraping ring, when the remediation agent injection pipe is pulled out of soil, residual soil on the outer surface of the remediation agent injection pipe can be effectively scraped away, and therefore it is avoided that after the soil is dried up, the resistance of being inserted into the soil again is increased; and continuous and efficient operation of the device is guaranteed, and the time of repairing operation interruption caused by maintenance is shortened.

The invention provides a dumping operation execution method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring first sensor data and second sensor data currently acquired by a first sensor and a second sensor; based on the first sensor data, identifying dumping line information of a current dumping line of a target dumping operation area, and based on the second sensor data, identifying residual soil information of residual soil in a preset range of the current dumping line; inputting a dumping point position set, the dumping line information and the residual soil information into a pre-trained dumping point position identification model, and obtaining a predicted dumping point position set and dumping operation constraint parameters output by the dumping point position identification model; and according to the predicted dumping point position set and the dumping operation constraint parameters, generating a dumping operation instruction and sending the dumping operation instruction to target dumping operation equipment. The intelligent degree of dumping operation can be improved.

The invention belongs to the technical field of building construction, and particularly relates to a supporting structure construction device and method.The device comprises a connector, and a rotating cylinder is arranged on the connector; the bottom end of the rotating cylinder is opened, the bottom surface of the rotating cylinder is fixedly connected with a mounting ring, and the bottom surface of the mounting ring is fixedly connected with a group of annularly and uniformly distributed drilling teeth; a lead screw is driven by a motor to rotate, so that the lead screw drives a driving disc to move downwards, the driving disc pushes out soil in a rotating cylinder, the effect of assisting in discharging the soil is achieved, and the soil is prevented from being clamped in the rotating cylinder; a connecting pipe is externally connected with a water pipe to inject water into the hollow groove, so that the water is sprayed out of the water outlet groove to enable the driving disc to move up and down, the inner wall of the rotating cylinder is cleaned, and the condition of caking caused by soil residue is prevented. By adopting the device, the rotary drilling can be quicker and more efficient when the rotary drilling is carried out on a soil layer or a rock layer, and the construction quality is improved.

The invention discloses a pollution detection device based on soil remediation, and relates to the technical field of detection devices.The pollution detection device comprises a box body, a water storage tank is arranged at the bottom of the box body, a moving plate is arranged in an inner cavity of the box body, a detection insertion rod is arranged at the bottom of the moving plate, and a cleaning assembly for cleaning the detection insertion rod is arranged in the water storage tank. According to the pollution detection device based on soil remediation, when a detection insertion rod moves upwards, a driving gear drives a series of components such as a driven gear ring to rotate synchronously, rotating bristles can effectively clean the outer wall of the detection insertion rod, and forward rotation of the bristles can achieve the effect of physical scraping of the bristles; stubborn stains and impurities adhered to the surface of the detection insertion rod are powerfully removed, and a foundation is laid for subsequent more thorough cleaning; the generated vibration is transmitted to the bristles, and the soil adhered to the bristles is shaken off, so that the design effectively solves the self-cleaning problem of the bristles, ensures that the bristles continuously keep good cleaning capability, and prevents the residual soil on the bristles from polluting the detection insertion rod again.

The invention relates to the technical field of a cloth net type microorganism synergistic degradation remediation method for pesticide residue soil, in particular to a cloth net type microorganism synergistic degradation remediation method for pesticide residue soil, which comprises the following steps: step 1, carrying out early-stage investigation and physical and chemical property analysis on polluted soil: firstly, investigating a target pesticide residue polluted soil area, and analyzing the physical and chemical properties of the polluted soil; determining the pollution range, the pollution degree and the types of pesticide residues; step 2, screening functional flora and constructing a synergistic degradation system; wherein the early investigation in the step 1 is accurate and clear in pollution information, a targeted basis is provided for subsequent repair, blindness of traditional repair is avoided, and the problem of microbial agent waste caused by extensive repair is solved. According to the multi-flora synergistic system constructed in the step 2, the environmental adaptability is improved through indigenous bacterium screening, the degradation spectrum is widened through flora metabolism complementation, and the defects that the degradation range of a single strain is narrow, and combined pollution is difficult to deal with are overcome.

The invention discloses rotary cultivator equipment with a soil crushing function, relates to the technical field of rotary cultivator equipment, and aims to solve the technical problem that the prior art cannot adapt to soil with different water contents, and the rotary cultivator equipment comprises a rotary cultivator body, a rotary tillage mechanism, a blade assembly, a wriggling assembly and a softening assembly. Through the collaborative design of the rotary tillage mechanism and the blade assembly, efficient soil crushing and multi-scene adaptation are achieved, when rotary tillage blades oppositely rotate to form a lower cone shape, the rotary tillage blades can precisely cut in and crush hard soil through cooperation of closed beating pieces and combined pieces, and the tillage efficiency of hardened land parcels is improved; when the beating pieces are oppositely rotated by virtue of centrifugal force to form an upper cone shape, the beating pieces are axially unfolded and the combined pieces are attached to the surfaces to form convex structures, so that the soil crushing area is obviously increased to adapt to soft soil operation; meanwhile, in the closing process of the beating pieces, the tips of the combined pieces automatically clean residual soil on the surfaces of the beating pieces, the situation that the conical shape is affected by gathering is avoided, and the adaptability of the equipment to different soil textures and the soil crushing operation efficiency are overall improved.

The utility model relates to the technical field of building construction equipment, and discloses a foundation pit backfill soil flattening structure which comprises a support, a pressing wheel is rotatably arranged in the support, a mud scraping strip for cleaning the pressing wheel is arranged on one side of the pressing wheel, a first rubber strip is fixedly arranged on one side of the mud scraping strip, a sliding plate is slidably connected to the interior of the support, and a second rubber strip is fixedly arranged on one side of the sliding plate. The sliding plate is connected with an elastic supporting assembly for supporting the mud scraping strip, and a driving assembly for horizontally driving the sliding plate is arranged on the inner wall of one side of the support. The support is fixed to the engineering vehicle, the engineering vehicle can drive the pressing wheel to rotate when moving, then backfilled soil can be rolled, elastic supporting can be provided for the mud scraping strip through the elastic supporting assembly and the sliding plate, the attaching degree between the first rubber strip and the pressing wheel can be kept, damage to the surface of the pressing wheel is avoided, and the service life of the backfilled soil is prolonged. Meanwhile, the roundness error of the pinch roller can be automatically compensated, and soil is not prone to remaining on the surface of the pinch roller.

The utility model discloses an efficient potato harvester which comprises a bottom plate, the side surface of the bottom plate is fixedly connected with a side rod, the upper surface of the side rod is fixedly connected with a first electric push rod, the output end of the first electric push rod is fixedly connected with a supporting rod, the upper surface of the supporting rod is fixedly connected with baffles, and the number of the baffles is two. A plurality of rollers are rotationally connected to the bottom of the baffle, one end of each roller penetrates through the baffle, the cylindrical surface of the end, penetrating through the baffle, of each roller is fixedly connected with a driven gear, the side surface of the baffle is fixedly connected with a third motor, and the output end of the third motor is fixedly connected with a third rotating shaft; and the cylindrical surface of the third rotating shaft is fixedly connected with a driving gear, the driving gear is meshed with one of the driven gears, and the upper surface of the baffle is fixedly connected with a bearing rod. By means of the structure, residual soil on the surfaces of the tuberous crops can be removed after the tuberous crops are harvested, and therefore the workload of follow-up tuberous crop treatment is reduced.

The application discloses a coal mine weathered broken water-rich surrounding rock grouting reinforcement effect detection device and method, and belongs to the field of coal mine roadway surrounding rock control safety. The coal mine weathered broken water-rich surrounding rock grouting reinforcement effect detection device comprises a box body, a detection recorder is arranged in the box body, a wire is fixed to one end of the detection recorder, a winding and unwinding assembly for winding and unwinding the wire is arranged in the box body, and a through hole is formed in the outer wall of one side of the box body. Through the cooperation of the winding and unwinding assembly, the reciprocating assembly, the cleaning assembly, the adjusting assembly and the collecting box, the wire can be quickly stored and arranged by the staff, the wire can be prevented from being knotted and wound together during storage, the normal operation of the mechanism is ensured, the wire winding is more uniform, the residual soil and dust on the surface of the wire can be cleaned and collected and treated during storage, the labor intensity of the staff is saved, and the work efficiency is improved.

The utility model discloses a basalt residual soil engineering characteristic detection device, and belongs to the technical field of basalt residual soil engineering characteristic detection, the basalt residual soil engineering characteristic detection device comprises a protection assembly and a basalt residual soil positioning assembly, the protection assembly comprises a basalt residual soil detection box, the outer surface of the basalt residual soil detection box is provided with two groups of supporting legs, and the supporting legs are arranged on the outer surface of the basalt residual soil detection box. A base is installed on the outer surface of each supporting leg, through arrangement of a hydraulic rod, a pressure sensor and a basalt residual soil testing plate, the equipment can carry out compression resistance detection on solidified basalt residual soil, and through arrangement of a bidirectional lead screw, a servo motor, a positioning plate and an anti-skid pad, the compression resistance of the solidified basalt residual soil can be detected; according to the device for testing the cured basalt residual soil, the device can position the cured basalt residual soil of different sizes, the stability of the cured basalt residual soil is improved, the accuracy of testing the cured basalt residual soil by the device is higher, and people can conveniently check the pressure borne by the cured basalt residual soil through the arrangement of the display screen.

The present invention discloses an agricultural film covering device for seedling cultivation based on bio-based materials, which relates to the field of plant protection technology. The device comprises a pulling block, the inner wall of which is fixedly connected to a positioning shaft, and the two ends of which are rotatably connected to wheels. The device also comprises: a soil burying device, the outer wall of which is rotatably connected to the outer wall of the pulling block; a rolling device, the outer wall of which is fixedly connected to the outer wall of the soil burying device. A punching device is provided in the rolling device, wherein the telescopic device relies on a second damping rod and a return spring to ensure smooth drilling of the drilling tube. The punching device enables the film covering device to punch holes at a fixed frequency, thereby improving planting efficiency. The cleaning device uses a magnetic sliding block attracted by a magnetic counterweight plate to drive a pushing block to clean residual soil in the drilling tube. With the help of inertia, centrifugal force and gravity, the drilling tube is kept unobstructed, ensuring smooth subsequent drilling work.

The utility model relates to the technical field of soil sampling, in particular to a soil sampling device which comprises a base, a discharging shell is fixed to the end face of the top of the base in a sealed mode, a limiting support is fixed in the discharging shell, a threaded motor is fixed to the top of the discharging shell, and a power output shaft of the threaded motor is fixedly connected with a threaded rod. The limiting support is in sliding connection with the threaded cylinder, the threaded rod is in threaded connection with the threaded cylinder, the end of the threaded cylinder is fixedly connected with the rotating motor, a power output shaft of the rotating motor is fixedly connected with the sampling rod through the coupler, and four threaded holes are formed in the base in a rectangular shape at equal intervals and are in threaded connection with the grounding rod. The gear is meshed with the gear ring to rotate, the gear ring drives the first support and the second support to rotate synchronously, the first support drives the scraper to rotate, the scraper scrapes a soil sample on the conical barrel to the position of the discharge port, and the brush rotates to clean the residual soil sample on the sampling rod.

The utility model discloses a plastic film residue recycling machine, which belongs to the field of agricultural mechanization, and comprises a front pull rod assembly, the rear side of the front pull rod assembly is fixedly connected with a main driving frame, the main driving frame is internally provided with a film lifting belt, the outer side of the film lifting belt is fixedly connected with a plurality of spike teeth, and the spike teeth are arranged on the spike teeth. A film removing plastic disc is arranged on the top of the front side of the film removing belt, a film removing disc is arranged on the rear side of the top of the film removing belt, a front packing belt system is arranged on the rear side of the film removing disc, and a rear packing system is arranged below the front packing belt system. According to the utility model, the film lifting belt is arranged, the plastic film removing disc is arranged at the top of the front side of the film lifting belt, and the plastic film removing disc is arranged at the rear side of the top of the film lifting belt, so that residual films in cut soil are lifted through the rotation of the film lifting belt and the spike teeth, and residual soil blocks on the residual films are removed through the running fit of the plastic film removing disc; the plastic film residue recycling device is simple and efficient, the plastic film residue recycling capacity is high, and soil residues are few.

The invention belongs to the field of soil pollution treatment, and particularly relates to a sampling auxiliary device for soil pollution prevention and treatment, the sampling auxiliary device comprises a base, the top of the base is fixedly connected with a support frame, and the top of the support frame is fixedly connected with a first motor; according to the sampling auxiliary device for soil pollution prevention and treatment and the operation method thereof, an electric telescopic rod controls a clamping block to move out of a clamping groove, when limiting of the clamping block is lost, a sliding plate can freely slide on a drill rod, and therefore a first motor can control a spray head to be aligned with the position of a feeding groove; the multiple feeding grooves are conveniently cleaned one by one, spraying is conducted through the spraying heads, residual soil in the feeding grooves is flushed, the outer sides of the feeding grooves are protected through the arranged cover boxes, water flow is prevented from impacting the feeding grooves to be splashed outwards, and slurry diffusion pollution is avoided; the filtered water is stored in the water storage cavity and is convenient to recycle.