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769 results about "Soil surface" patented technology

Surface soil contains water and air. When you pump water from under the ground surface, you cause some empty space to be formed in the soil.

Slow-release type ecological grass blanket for improving eroded inferior land and construction method of slow-release type ecological grass blanket

The invention provides a slow-release ecological grass blanket for improving an eroded inferior land and a construction method of the slow-release ecological grass blanket. The ecological grass blanket comprises a bottom intercepting layer, a nutrient slow-release layer, a seed triggering layer and a surface fixing layer which are sequentially arranged on the soil surface of the eroded inferior land. The bottom interception layer at least comprises a water-soluble lower film arranged on the soil surface and a first composite substrate layer arranged on the water-soluble lower film; the nutrient slow-release layer at least comprises an organic fertilizer mixture particle layer arranged on the first composite substrate layer and a water-soluble upper film arranged on the organic fertilizer mixture particle layer; the seed triggering layer comprises a degradable fiber lower net arranged on the water-soluble upper film and a composite seed belt arranged on the degradable fiber lower net; the surface fixing layer comprises a second composite substrate layer arranged on the composite seed belt and a degradable fiber net arranged on the second composite substrate layer. The ecological grass blanket provided by the invention is high in seed survival rate, good in uniformity, low in cost and capable of realizing sustainable ecological restoration.
Owner:JIANGXI ACAD OF WATER RESOURCES (JIANGXI PROVINCE DAM SAFETY MANAGEMENT CENT JIANGXI PROVINCE WATER RESOURCES MANAGEMENT CENT)

Deep learning-based SAR (Synthetic Aperture Radar) soil surface water content inversion method and device

The invention discloses an SAR (Synthetic Aperture Radar) soil surface water content inversion method and device based on deep learning, and the method comprises the steps: constructing a deep learning regression model for predicting the volume content of soil water through combining SAR data, auxiliary data and in-situ sensor data; a ConvNeXt model is adopted to construct a parallel convolution encoder to solve multi-source data with different input resolutions, and back scattering coefficients, spectral information, digital elevation model high-resolution data and soil sand content, sludge content, clay content and stacking density low-resolution data are fused into soil moisture estimation. And the inference capability of unknown data is improved. The model obtained by training can realize large-range and high-resolution automatic estimation of the water content of the soil surface layer. According to the invention, the influence of radiation transmission noise is avoided, the inversion precision of a vegetation coverage area is improved, and large-range high-resolution automatic processing of soil humidity products is realized.
Owner:AEROSPACE INFORMATION RES INST CAS

Systems and methods for an agricultural implement

An agricultural system can include an implement including a frame assembly. A basket assembly can be operably coupled with the frame assembly. A basket assembly actuator can be operably coupled with the basket assembly and the frame assembly. The basket assembly actuator can be configured to alter a position of the basket assembly relative to the frame assembly. A computing system can be communicatively coupled to the basket assembly actuator. The computing system can include a processor and associated memory, the memory storing instructions that, when implemented by the processor, configure the computing system to receive a defined soil finish, receive data indicative of a soil profile, determine a soil compaction limit based on the soil profile, and determine a defined basket assembly actuator position based at least partially on the soil compaction limit and the defined soil finish.
Owner:CNH INDUSTRIAL AMERICA LLC

Mailbox post protector with internal toolless interlock

A post protector is disclosed that provides protection for the lower portion of a mailbox post. Protection is provided against string trimmers and edgers and other impacting implements in a landscape environment. A shielded chamber receives latches that allow simple and concealed assembly without the need for fasteners or tools. In one embodiment, the post protector may be stacked for creating a unique visual effect and added protection. In another embodiment, perimeter flanges for pinning to a soil surface are provided. The structure provides an aesthetic complement to downspout protectors having a similar profile.
Owner:YARD ARMOR LLC

UV-based, in-situ soil carbon measurement system

A soil carbon measurement device (100) can include a subsurface support (110) configured to be inserted at least partially under a soil surface. The subsurface support can include an interior volume (114) and a. gas-permeable barrier separating the interior volume (114) from soil under the soil surface. The device (100) can also include an ultraviolet light source (1.30) positioned to expose the soil under the soil surface to ultraviolet light, and a carbon dioxide sensor (150) configured to measure a concentration of carbon dioxide in the interior volume (114) of the subsurface support (110).
Owner:UNIV OF UTAH RES FOUND

Soil fertility intelligent evaluation method and system based on image recognition

The invention discloses a soil fertility intelligent assessment method and system based on image recognition, and relates to the technical field of data processing, and the method comprises the steps: obtaining land image information of a to-be-assessed region, the land image information comprising a multispectral image, a thermal imaging image and an RGB image of the to-be-assessed region; carrying out image preprocessing on the land image information, and carrying out vegetation coverage and health assessment according to the multispectral image: speculating soil characteristics according to the RGB image: speculating the humidity change of a soil surface layer according to the temperature distribution of a thermal imaging image, and identifying a drought region and a region with sufficient moisture; integrating the high-resolution texture features of the RGB image, the spectral information of the multispectral image and the speculation result of the temperature distribution of the thermal imaging image to generate a comprehensive analysis result; and classifying soil types and evaluating fertility grades according to a comprehensive analysis result. The problem that in the prior art, in intelligent soil fertility evaluation, workers need to carry out on-site sampling examination is solved, and the technical effect of improving the soil fertility evaluation efficiency is achieved.
Owner:LINYI AGRI TECH EXTENSION CENT

A rotary seeding and ditching integrated machine

The present invention relates to the technical field of rotary tillage and seeding equipment, and discloses a rotary seeding and ditch-opening integrated machine, which includes a first frame. One end of the first frame is connected to a second frame. A height-lifting mechanism for adjusting the height of the second frame is provided between the first frame and the second frame. A pressing roller group is arranged at the bottom of the second frame. In the present invention, the first pressing roller and the second pressing roller perform pressing operations before and after the disc ditch opener opens the ditch respectively, so that the top surface of the ridge formed by the notch disc cooperating with the digging bucket disc for ridge ditch opening is leveled, and the side wall of the ridge ditch is leveled in cooperation with the pressing disc, avoiding the ridge from falling apart during the process of opening the planting ditch. The first pressing roller presses and cooperates with the soil distributing mechanism to level the soil surface. During the subsequent process of opening the planting ditch, the soil on both sides of the disc ditch opener is compacted, and while not compacting the soil density of the soil acting with the disc ditch opener, the soil excavated from the planting ditch is reduced, the space between the disc ditch openers is increased, and soil congestion is avoided.
Owner:HUAIBEI HUAFENG MASCH EQUIP CO LTD

Agricultural trench depth sensing systems, methods, and apparatus

ActiveUS12279546B2Acceleration measurement using interia forcesElectric potential based soil-workingSoil scienceUltrasonic sensor
An agricultural trench depth sensing system having a trench implement adapted to be disposed in a soil trench opened in a soil surface. In one embodiment an ultrasonic sensor detects a distance to an upper surface of said trench implement or a target disposed thereon. In another embodiment, said trench implement includes one or more fingers which rotate with respect to said trench implement to detect the soil surface relative to said trench implement. In another embodiment, said trench implement includes side sensors for detecting the sidewall of the soil trench.
Owner:PRECISION PLANTING LLC

Spraying device for grassland ecological soil remediation

The invention discloses a spraying device for grassland ecological soil remediation in the technical field of ecological remediation. The spraying device comprises a vehicle body, a storage assembly is installed at the top end of the vehicle body, a lifting cavity is formed in the vehicle body, a lifting assembly is arranged in the lifting cavity, a supporting plate is fixedly connected to the bottom of the lifting assembly, and a plurality of spraying assemblies are linearly arrayed at the bottom of the supporting plate; a pump assembly is arranged in the vehicle body; the spraying assembly and the storage assembly are both communicated with the pump assembly; and each spraying assembly comprises a rotating hole column fixedly connected to the bottom of the supporting plate, a spraying ring is annularly arranged on the surface of each rotating hole column, a plurality of spraying openings communicating with the storage assembly are formed in the bottom of each spraying ring, and a plurality of injection assemblies are arranged in each rotating hole column. Through cooperative assistance of the lifting assembly, the spraying assembly and the injection assembly, when the grassland surface soil is hard, spraying remediation can be conducted on the grassland soil surface, meanwhile, injection of liquid medicine can be completed by going deep into the grassland soil, and the ecological remediation effect of the grassland soil is improved.
Owner:GANSU QILIANSHAN NAT NATURE RESERVE MANAGEMENT CENT (GIANT PANDA QILIANSHAN NAT PARK GANSU PROVINCIAL ADMINISTRATION ZHANGYE BRANCH)

Rotary sowing and ditching all-in-one machine

The invention relates to the technical field of rotary tillage sowing equipment, and discloses a rotary sowing and ditching all-in-one machine which comprises a first machine frame, one end of the first machine frame is connected with a second machine frame, a lifting mechanism used for adjusting the height of the second machine frame is arranged between the first machine frame and the second machine frame, and a pressing roller set is arranged at the bottom of the second machine frame. The first pressing roller and the second pressing roller are used for pressing before and after furrowing of the disc furrow opener, so that the top surface of a field ridge formed by furrowing and furrowing through the notch disc and the digging bucket disc is flat, the side wall of the furrow is leveled through the pressing disc, the field ridge is prevented from scattering in the furrowing process of the planting furrow, and the furrow furrowing efficiency is improved. In the process that the first pressing roller is matched with the soil dividing mechanism to level the soil surface and the subsequent planting furrow opening process, soil on the two sides of the disc furrow openers is compacted, and soil dug out of the planting furrow is reduced, the space between the disc furrow openers is increased and soil blockage is avoided while the compaction is not performed and the disc furrow openers act on the soil compactness.
Owner:HUAIBEI HUAFENG MASCH EQUIP CO LTD

Transmission line engineering soil conditioner spraying mechanism and spraying method

The invention discloses a power transmission line engineering soil conditioner spraying mechanism and a spraying method, and the power transmission line engineering soil conditioner spraying mechanism comprises a walking vehicle, an adjusting assembly, a self-stirring structure, a spraying control structure and a spraying assembly. When common soil conditioner spraying equipment sprays dry hardened soil, a conditioner is difficult to fully permeate into the soil and is easy to float on the surface of the soil to cause rapid evaporation, a rotary soil sampling structure and a self-stirring structure are designed, and the soil conditioner can be rapidly evaporated through cooperative use of the rotary soil sampling structure and the self-stirring structure. According to the device, rotary circulating soil cutting can be carried out, meanwhile, soil is automatically stirred while the soil is dug, the effect of automatically scattering and mixing hardened soil is achieved, then a modifier can be fully mixed with the soil, and an extra power source is not needed.
Owner:QUZHOU GUANGMING ELECTRIC POWER ENG CO LTD

Soil humidity prediction system and method based on multispectral imaging

The invention discloses a soil humidity prediction system and method based on multispectral imaging, and relates to the technical field of soil humidity prediction methods. The system comprises a multispectral imaging device which is located near to-be-monitored soil and used for capturing a multispectral image of the surface of the to-be-monitored soil; the data processing module is connected with the signal output end of the multispectral imaging device and is used for receiving and processing the multispectral image data; the cloud server is used for receiving the multispectral image data processed by the data processing module through a wireless network and performing soil humidity prediction by using a soil humidity prediction model according to the processed multispectral image data; and the terminal equipment is used for receiving the data processed by the cloud server through a wireless network, displaying the processed data and displaying a soil humidity prediction result. According to the system and the method, a large number of sensors are not used, the cost is low, humidity prediction is performed through the prediction model, and the prediction accuracy is improved.
Owner:CHINA GEOLOGICAL SURVEY NATURAL RESOURCES COMPREHENSIVE SURVEY COMMAND CENT

Turf laying device for landscaping

The utility model relates to the technical field of turf laying, in particular to a turf laying device for landscaping, which comprises a sweeping board, and the edge of one side of the sweeping board is fixedly connected with an inclined guide flat pipe. The turf paving device has the advantages that the turf is guided to be paved in front of the ground through the guide flat pipes, water can be sprayed to the roots of the turf through the spraying pipes, so that the roots of the turf can be quickly supplemented with water, meanwhile, the ground can be wetted by the falling water, the water can be directly poured to the joint surface of the turf and soil, the joint effect of the joint surface is improved, and the service life of the turf is prolonged. Meanwhile, the irrigation efficiency is improved, water directly reaches the root system, water evaporation is reduced, and the cleaning roller rotating at a high speed drives the loosening teeth to smash the soil surface, so that the hardened soil surface is loosened, the laid turf can take roots conveniently, and the survival rate of the turf is increased; meanwhile, impurities such as large stones in the soil can be swept away through the dense dry loosening teeth, and the laying effect is improved.
Owner:HANDAN CITY GARDEN BUREAU

Soil carbon sequestration microorganism separation culture method under medium and high petroleum pollution stress and application

The invention discloses a soil carbon sequestration microorganism isolated culture method under medium and high petroleum pollution stress and application, and the isolated culture method comprises the following steps: dispersing medium and high petroleum pollution soil surface soil in sterile water to obtain an original bacterial suspension containing carbon sequestration microorganisms, and carrying out gradient dilution on the original bacterial suspension; respectively coating on a carbon-source-free solid culture medium for culturing, purifying a bacterial colony obtained by culturing, and carrying out step-by-step amplification culture on a single bacterial colony obtained by purifying in a carbon-source-free liquid culture medium. The method has the beneficial effects that the invention provides the method for enriching and screening the indigenous indigenous efficient carbon sequestration strains with the carbon sequestration function from the medium-high petroleum pollution soil sample, and the four strains which can survive in the medium-high petroleum pollution stress environment and have good carbon dioxide sequestration capability are obtained through the method; the strains have potential pollution reduction and carbon sequestration synergistic capability, and a new technical path can be provided for green remediation and carbon sequestration of petroleum-contaminated soil.
Owner:CHINA NAT PETROLEUM CORP +1

Farmland pollution monitoring system, underground leaching water amount monitoring method and underground leaching water amount monitoring device

The invention aims to provide a farmland pollution monitoring system, an underground leaching water quantity monitoring method and an underground leaching water quantity monitoring device, which can realize the real-time in-situ monitoring of the farmland nitrogen leaching water quantity under the condition that the soil moisture content is changed from an unsaturated flow state to a supersaturated flow state, comprising a soil moisture sensor, a soil pressure sensor, a rainfall sensor and a control box, the soil moisture sensors are arranged at different depths of soil; the soil pressure sensor is arranged on the surface layer of the soil; the rainfall sensor is arranged above the soil in an exposed manner; the soil moisture sensor, the soil pressure sensor and the rainfall sensor are electrically connected with the control box through sensor connecting lines and transmit data.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS

Collaborative and accurate collection system and method for required and consumed water of crops

The invention relates to a system and a method for synergistically and accurately collecting required and consumed water of crops. A wireless transceiver is mounted at the top of the upper water supply pipe, a soil surface water content sensor and a soil deep water content sensor are mounted on the lower water supply pipe, and a buried irrigation pipe is communicated with the lower water supply pipe between the soil surface water content sensor and the soil deep water content sensor; a crop bottom-layer temperature and humidity sensor and a crop top-layer temperature and humidity sensor are mounted on the upper water supply pipe, and the upper water supply pipe between the crop bottom-layer temperature and humidity sensor and the crop top-layer temperature and humidity sensor is communicated with a stem and leaf irrigation pipe; the water demand is more accurately obtained, comprehensive control is implemented, and corresponding buried irrigation or spray irrigation is started according to different water demand values during irrigation operation, so that the purpose of optimal water saving is achieved.
Owner:FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI

Soil deep humidity prediction system and method based on near infrared spectrum and federated learning

The invention belongs to the technical field of soil humidity prediction methods, and particularly relates to a soil deep humidity prediction system and method based on near infrared spectrum and federated learning. The system comprises a near infrared spectrum acquisition device, an auxiliary information acquisition module, an edge end data preprocessing module, a federated learning client module, a cloud federated aggregation server and a man-machine interaction and equipment control module. The method comprises the following steps: establishing a surface humidity estimation model by collecting soil surface near-infrared reflectivity and environment auxiliary information; a deep humidity prediction model is constructed in combination with a heat conduction equation and machine learning, and the accuracy is improved by adopting weighted fusion. A federal learning framework is introduced, local training and cloud aggregation of each agricultural machine are realized, data privacy is protected, and the model generalization ability is improved. The system does not need to destroy the soil structure, has the advantages of non-contact, high efficiency, safety and expandability, and is suitable for intelligent prediction of large-range deep humidity in farmland and linkage control of agricultural operation.
Owner:CHANGCHUN UNIV OF SCI & TECH +1

Height self-adaptive planting mechanism

The utility model discloses a height self-adaptive planting mechanism, and belongs to the technical field of planting. The device comprises a box body which is provided with a sliding block in a sliding mode, and the bottom of the box body is provided with a first duckbilled piece and a second duckbilled piece in a rotating mode; the guide rod is in sliding connection with the box body, the guide rod is provided with an annular guide groove for the sliding block to slide, and the annular guide groove comprises a transverse inclined groove and a longitudinal groove; and the transmission mechanism is used for connecting the sliding block with the second duckbilled sheet in a transmission manner. During sowing, seeds placed in the box body fall into the first duckbilled piece and the second duckbilled piece, the box body is controlled to move downwards, when the guide rod makes contact with the ground, the first duckbilled piece and the second duckbilled piece on the box body can conduct planting operation, and the seeds are planted in soil with the same depth away from the soil surface; the problem that the survival rate is affected due to the fact that the seeds are buried in too shallow positions or too deep positions of the soil is solved, and the sowing survival rate of the seeds or seedlings is increased.
Owner:SHANTOU UNIV

Full-automatic pipe-laying film-laying precision sowing all-in-one machine for vegetables on film

The invention relates to the technical field of agricultural machinery, and discloses a full-automatic on-film vegetable pipe laying, film laying and precision sowing all-in-one machine which comprises a rack, a fixing frame, a sowing mechanism arranged on the rack, a pipe laying assembly and a film laying assembly which are arranged on the fixing frame, and a film pressing mechanism arranged on the fixing frame, the soil covering assembly is arranged on the fixing frame; the sowing mechanism is used for sowing vegetable seeds. According to the full-automatic on-film vegetable pipe laying, film laying and precision sowing all-in-one machine, automation and integration of sowing, pipe laying, film laying and other operations are achieved, meanwhile, continuous and uniform pressure is applied to a mulching film through the film pressing wheel on the abutting assembly, the mulching film is laid flatly through the continuous and uniform pressure, wrinkles and bubbles are reduced, the film laying quality is improved, and the labor intensity of workers is relieved. By means of the arrangement, it is guaranteed that the mulching film can be tightly attached to the surface of soil, the film pressing wheels can conduct self-adaptive abutting and pressing according to the change of the terrain of the soil, the problems that the mulching film is too tight locally and torn are solved, and the laying effect of the mulching film is improved.
Owner:GASU POLYTECHNIC COLLEGE OF ANIMAL HUSBANDRYANDENG

Soil pollution treatment equipment

The utility model provides soil pollution treatment equipment, which relates to the technical field of soil treatment equipment and comprises a machine body, a storage barrel is arranged on one side of the machine body, a spray head is arranged on one side of the machine body, a rotating wheel is arranged at the bottom of the machine body, and an adjusting device is arranged between the machine body and the rotating wheel. A scattering device is arranged on one side of the machine body and comprises a connecting base, the connecting base is fixedly connected with the machine body, a motor is fixedly connected to one side of the connecting base, a first gear is fixedly connected to the output end of the motor, and the surface of the first gear is sleeved with a toothed chain; soil can be shoveled and scattered preferentially through the scattering device, then liquid medicine is scattered into the soil through the spray head, the situation that the liquid medicine is directly sprayed to the surface of the soil and cannot enter the deep position of the soil, the deep position of the soil cannot absorb the liquid medicine, and pollution treatment is affected is reduced, and the treatment efficiency of the deep position of the soil is improved.
Owner:QINGHAI BANGNING ENVIRONMENTAL TESTING CO LTD

A dust removal machine for rammed earth construction of hospital

The present invention belongs to the technical field of hospital construction, and specifically refers to a dust removal machine for rammed earth construction of hospital construction, including a fixed ring plate, a cleaning ring plate, a rammed earth port, a rotary dust collection mechanism and an increased dust suppression mechanism, wherein the cleaning ring plate is rotatably arranged on the outside of the fixed ring plate, the rammed earth port is arranged on the inner wall of the fixed ring plate, the rotary dust collection mechanism is arranged on the side wall of the cleaning ring plate, the increased dust suppression mechanism is arranged on the upper wall of the fixed ring plate, and the rotary dust collection mechanism includes a driving mechanism, a partitioning mechanism, a folding mechanism and a locking mechanism. The dust removal machine for rammed earth construction of hospital construction provided by the present invention can suppress the dust generated by the loosening of the surface layer of soil around the rammed earth construction due to mechanical vibration, reduce the generation of dust during the ramming operation, and can compact the loosened soil that has been changed into dust back to the surface layer of the soil.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

Precise-control intelligent breeding flower watering device

The invention relates to the field of intelligent breeding, in particular to an accurately-controlled intelligent breeding flower watering device. The problem to be solved is that in the breeding process, seedlings are inclined and bent during growth, and the quality of the seedlings is affected. According to the technical scheme, the intelligent breeding flower watering device capable of being accurately controlled comprises an incubator, a seedling raising ring and the like; a plurality of seedling rings are arranged on the incubator; according to the seedling raising device, a poke rod enters the inner side of the seedling raising ring to swing left and right in a small range, inclined seedlings are poked, the seedlings always grow towards the right upper position and the right center position, and it is guaranteed that the seedlings cannot incline during growth; the pushing sheet moves downwards to extrude the surface of the soil and drive the soil and the seedlings to move downwards, so that the soil and the seedlings fall off from the opened bottom plate to finish transplanting, and the transplanting time is effectively saved.
Owner:JIANGXI CHENGDING IND MFG CO LTD

Agricultural soil leveling and fertilizing machine and use method thereof

The invention relates to the technical field of soil leveling and fertilizing equipment, and discloses an agricultural soil leveling and fertilizing machine and a use method thereof.The agricultural soil leveling and fertilizing machine comprises a main body, the top of the main body is fixedly connected with a drive axle, the outer surface of an output shaft of the drive axle is sleeved with two belts, and the interior of the main body is rotationally connected with a crushing shaft; the front face and the back face of the crushing shaft penetrate through the outer wall of the body and extend to the outside, and the extending end of the crushing shaft is in transmission connection with the output end of the drive axle through a belt. When the two swing plates swing, soil on the two sides of an opened groove can be driven to swing, so that the soil in the wide position is loosened under reciprocating swing of the two swing plates, and the position of applied fertilizer behind the female plough is covered in a flowing mode; the condition that the fertilizer is exposed on the surface of soil due to the fact that the soil is difficult to return to the ditch during traveling fertilization is reduced, so that the soil leveling uniformity can be improved while the soil is leveled, and the soil leveling efficiency is improved.
Owner:鄄城县农业技术推广中心

Miss-seeding detection and reseeding method and system for potato hole digging seeder

The invention provides a miss-seeding detection and reseeding method and a miss-seeding detection and reseeding system for a potato punching seeder. According to the method, a three-dimensional motion track is collected through an inertial navigation device, and a seeding path topological graph is generated in combination with a mechanical trigger signal; spraying a fluorescence labeling substance to the surface of the soil at the tail part of the seeding machine, and marking a topological graph coordinate corresponding to the spraying moment as a miss-seeding risk area; capturing furrow track flight by using a spectrum, and mapping the image coordinates of the mark points to the coordinates of the miss-seeding risk area in the topological graph by identifying the spectral response signal of the fluorescence mark; generating a reseeding operation path curve based on the aggregation form of the miss-seeding risk area coordinates and the furrow extension direction; and driving the reseeding device to move along the curve, and when the positioning coordinate of the reseeding device coincides with the coordinate of the miss-seeding risk area, activating the seeding mechanism to execute single-grain reseeding and updating the state identifier. According to the application, the potato seeding leak detection and reseeding efficiency and the reseeding position accuracy are improved.
Owner:GANSU AGRI UNIV

Garden soil efficient remediation device based on garden soil texture

The invention discloses an efficient garden soil remediation device based on garden soil texture, and belongs to the technical field of garden soil remediation. Comprising a walking vehicle body, a soil transition unit, a fixed-thickness spraying unit, a smashing and throwing unit, a stone throwing unit, a powder throwing unit and a rotary tillage feeding part. The soil transition unit comprises a guide-in conveying belt and a first material throwing conveying belt, and a second material throwing conveying belt is arranged under the first material throwing conveying belt; a blanking gap is formed between the first material throwing conveying belt and the second material throwing conveying belt; the fixed-thickness spraying unit comprises a material collecting channel which is fixed to the output end of the guiding-in conveying belt and the periphery of the first material throwing conveying belt in a wrapping mode. The second material throwing conveying belt movably penetrates through the bottom of the inner side of the material collecting channel. According to the efficient garden soil remediation device based on the garden soil quality, soil blocks can be scattered, stone blocks can be directly thrown, soil in-situ remediation is achieved, an interlayer composite remediation system can be formed on the soil surface, and the remediation effect is good.
Owner:济南市公园发展服务中心 +1

Bridge manufacturing method and bridge

To improve the durability of a floor slab in a bridge.SOLUTION: The method for manufacturing a bridge 10 comprises: a foam resin layer formation step of directly injecting a foam resin raw material into a soil surface positioned below a floor slab 14 of the bridge 10 and forming a foam resin layer 20; and a concrete layer formation step of injecting concrete from a hole 26 bored in the floor slab 14 and forming a concrete layer 22 between the floor slab 14 and the foam resin layer 20. The hole 26 is filled with the concrete of the concrete layer 22.SELECTED DRAWING: Figure 1
Owner:INOAC HOUSING & CONSTR MATERIALS

Construction method of empirical formula of embedding depth under limit of high holding power anchor group

The invention relates to a construction method of an embedded depth empirical formula under the limit of a high holding power anchor group. The construction method comprises the following steps: S1, establishing a solid model of a finite element model of the high holding power anchor group; s2, working conditions of the finite element model are designed in a grouped mode, and the influences of the seabed surface mooring chain loading angle # imgabs0 #, the mooring chain dragging speed # imgabs1 #, the seabed soil surface undrained shear strength # imgabs2 # and the soil body undrained shear strength gradient # imgabs3 # on the embedding depth of the large holding power anchor set under the limit are analyzed; s3, according to all working condition analysis results of the finite element model, the limit embedding depth of the large holding power anchor group is obtained, and an empirical formula # imgabs4 # of the limit embedding depth of the large holding power anchor group is obtained through multivariate function fitting; and S4, setting a verification working condition through an orthogonal test method, comparing the empirical formula with a finite element analysis result, and verifying the reliability of the empirical formula.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD

Early warning method for riverway bank collapse based on soil surface displacement acceleration trend analysis

The invention discloses a riverway bank collapse early warning method based on soil body surface displacement acceleration trend analysis, and relates to the technical field of riverway bank collapse early warning. The method comprises the following steps: laying GNSS measurement site positions according to a potential risk area of river beach collapse and a transverse distance and a longitudinal distance of a collapse pit in a region where the GNSS measurement site positions are located; carrying out real-time traceability filtering and denoising calculation on the continuously online monitored soil body surface displacement data based on a Butterworth low-pass filter; carrying out real-time acceleration trend discrimination calculation on the filtered soil body surface displacement data, and carrying out risk grading early warning discrimination on bank collapse risk threshold values of different bank collapse risk grades by utilizing calculated linear acceleration trend intensity; and carrying out riverway bank collapse risk site survey and result verification according to a risk grading early warning judgment result. The method has important engineering application value in the aspects of river channel safety monitoring, disaster early warning, emergency management and the like, and scientific support can be provided for river treatment, dike safety maintenance, intelligent water conservancy construction and the like.
Owner:NANJING HYDRAULIC RES INST

Flower box

The utility model relates to municipal engineering, and discloses a flower box which comprises a base, a water pipe network, a fence, a first connecting part and three second connecting parts. The first connecting part is further provided with a water adding opening, namely, water is added into the water adding opening, enters the water outlet pipe through the first connecting part and the connecting pipe, flows out of the water outlet hole and enters the lower side part of the soil in the fence, and root systems of green plants and flowers in the flower box can absorb the water conveniently. The flower box can be matched with an opening in the upper portion of the flower box, and water is poured to the soil surface and seeps downwards in the soil. The flower box has the advantages that soil in the flower box can fully absorb water, production and survival of green plants and flowers are facilitated, and attractiveness of the appearance of the flower box is considered.
Owner:JIAXING JINHUI CONSTR CO LTD

Irrigation device and kit

An irrigation device and kit are provided comprising a water collection means having at least one inlet, a body having at least one outlet, an adapter to secure the body to the water collection means, and a gasket comprising a filter. The water collection means extends above the soil's surface and has a cap, the at least one inlet, and a collector. The body has a first and second end separated by a sidewall to define a reservoir in communication with the water collection means, any of which may extend below the soil surface. Water collected above the soil's surface may be transported from the water collection means through the filter to the reservoir and distributed through the at least one outlet disposed on the sidewall to the root system.
Owner:MAGRINI MASSIMO