97 results about "Soil resistance" patented technology

The invention discloses a grouting splitting pressure simulation device under high-ground and high-water-pressure conditions, and relates to the technical field of tunnel and underground engineering model tests. A first water permeable unit controlled by the water injection unit and a second water permeable unit controlled by the confining pressure unit are respectively arranged at two ends in the length direction, so that water pressure and stratum confining pressure are independently applied. The integrated grouting unit of the device is used for grouting soil in the box and is provided with a comprehensive detection unit, the comprehensive detection unit monitors various parameters such as grouting pressure, water pressure, confining pressure, flow, soil resistance and wave velocity in real time, and independent loading and accurate dynamic control of the grouting pressure, formation water pressure and formation stress can be achieved; therefore, the grouting process of the deep-buried tunnel under the conditions of different burial depths, high water head differences and complex grout characteristics can be simulated in a laboratory with high precision, and the technical bottleneck that the complex environment of high ground stress and high water pressure coupling is difficult to reproduce in a traditional test method is effectively solved.

The invention discloses a grounding resistance thermal-electric coupling prediction method and system suitable for various soil scenes. The method comprises the following steps: acquiring an electrode parameter, a soil parameter, a grounding fault parameter and initial temperatures of an electrode and soil; calculating an electrode current and a soil leakage current of the time step based on the electrode and soil resistivity of the time step; based on the electrode current and the soil leakage current of the time step, calculating the electrode temperature, the soil radial temperature distribution and the grounding potential rise of the time step by adopting a finite difference method; based on the electrode temperature and soil radial temperature distribution of the time step, updating the electrode resistivity and the soil resistivity of the time step + 1; if the end of the fault time is not reached, returning to continuously calculate the temperature of the electrode and the soil at the time step + 1; otherwise, outputting the electrode temperature and soil radial temperature distribution of each time step. According to the invention, thermal-electric dynamic coupling is considered, and accurate evaluation of the performance of the grounding system is realized.

The invention relates to the field of data analysis, in particular to a farmland soil compaction diagnosis method based on multi-source sensor data, and the method comprises the steps: carrying out the gradient energy feature construction and phase alignment cross-correlation evaluation of soil resistance depth curve data, and obtaining a gradient energy phase locking factor; carrying out rheological consistency coupling evaluation on the morphological characteristics of the soil resistance depth curve and the soil volume moisture content to obtain a rheological morphological coupling factor; performing joint correction on the basic Euclidean distance to obtain an adaptive similarity distance and executing clustering iteration; spatial modeling and prescription mapping are carried out on a clustering result and sampling point position information, so that a soil compaction accurate diagnostic graph is obtained, and a differentiated subsoiling operation instruction is generated; the method solves the problem that the existing Euclidean distance easily causes the characteristic dislocation of the compaction layer and the deformation of the rheological strength under the condition of farmland micro-topography fluctuation and water content difference to cause the distortion of the clustering partition.

The invention provides a Kirchhoff's law-based power distribution network line loss abnormity positioning method and device, and the method comprises the steps: obtaining the temperature, moisture content and salt content parameters of soil through a multi-sensor integrated monitoring probe, embedding a special temperature and humidity sensor for a frozen soil region in the top of the multi-sensor integrated monitoring probe, and embedding a soil moisture content TDR probe in the middle of the multi-sensor integrated monitoring probe, a salt content monitoring conductivity sensor is embedded in the bottom; constructing a permafrost region resistivity correction model based on the parameters; a dynamic compensation Kalman filtering algorithm is adopted to process a model output value, and the output dynamic correction soil resistivity is transmitted to a grounding electrode detector host; and the host fuses the correction value and the electromagnetic signal acquired by the electromagnetic signal receiving sensor, and outputs the distribution state of the grounding electrode. According to the invention, a multi-sensor integrated probe is used to acquire parameters to construct a model, and a correction value and an electromagnetic signal are fused after dynamic correction by a Kalman filtering algorithm, so that the detection precision of the plateau permafrost region is improved.

This invention discloses a method for dynamic perception and intelligent precise control of multimodal data in the sludge solidification construction process, belonging to the field of intelligent control of engineering machinery. This method collects the global pose of the machine body, driving power parameters, and visual image sequences containing high-position markers. Utilizing a vision-inertial fusion algorithm for engineering machinery with kinematic constraints, it calculates the real-time three-dimensional trajectory and attitude of the mixing head underground while resisting sludge obstruction and vibration interference. Furthermore, it discretizes the mixing trajectory to construct the effective sweep volume of micro-element trajectory segments and, combined with adaptive soil resistance indicators, establishes a physical closed-loop control model based on the target unit volume grouting density. This invention abandons traditional linear empirical control logic and solves the problem of uneven distribution of solidifying agent caused by the tilting and variable speed motion of the mixing head by real-time matching of sweep volume and grouting energy, achieving microscopic calculation control and full-process traceability of the construction quality of concealed works.

The utility model discloses a kind of conductor shielding terminal annular array ground structure, the utility model relates to electrical engineering technical field, the utility model, comprising: connecting end, the outer wall of the connecting end is slidably connected with annular device, the annular device is locked by rotating mode, the bottom of the annular device is fixedly connected with grounding device, the annular device includes receiving end;By setting the cooperation of annular device and grounding device, the contact of the circumferential array arrangement in receiving end inner wall is slidably connected with connecting end, forms 360 ° full circumferential conductive passage, compared with traditional single-point grounding mode, contact area is improved by more than 3 times, lock ring is rotated 30 ° by dialing dial piece, the locking of connecting end and annular device can be completed, main sharp cone cooperates bulldozing block design, soil resistance is reduced, can directly penetrate clay layer with greater hardness;Sub sharp cone is automatically unfolded in soil extrusion during soil entering, forms umbrella-like grounding network, the purpose of equivalent grounding area expansion.

The utility model relates to a heavy metal contaminated soil remediation agent spraying device, which comprises a frame, a front wheel and a rear wheel are respectively arranged on the frame, and the heavy metal contaminated soil remediation agent spraying device is characterized in that a soil turning device and a spraying device are respectively arranged on the frame; wherein the soil turning device comprises a mounting frame rotationally arranged on the lower side of the frame and a driving component for driving the mounting frame to swing and turn over, and a plurality of plowshares are arranged on the mounting frame at intervals in the direction from the front wheels to the rear wheels. The plowshares located on the mounting frame swing along with the mounting frame to form soil turning depths of different horizontal depths relative to the frame, so that the soil turning depths of the plowshares are controlled, the plowshares are arranged in a step-shaped progressive increase mode, layered soil turning is achieved, soil resistance is reduced, a repairing agent is sprayed to the turned soil in cooperation with the spraying device, and the soil turning efficiency is improved. Therefore, the remediation agent can be quickly and uniformly dispersed to remedy the soil.

The invention provides an equivalent circuit analysis method and system for soil resistance heating efficiency, and relates to the technical field of soil remediation. Resistivity distribution data and salt content distribution data of a pile space are obtained; calculating the ionic conductivity according to the salt content distribution data, and calculating the target conductivity of each grid unit; constructing a topological graph, and constructing a weighted adjacent matrix based on the topological graph; constructing a degree matrix according to the degree of each graph node to obtain a feature value sequence and a feature vector corresponding to each feature value; extracting a second small feature value from the feature value sequence as a connectivity index, and marking a mutation position as a weak connection interface; the blocking factor is determined by counting the number of graph nodes located at the weak connection interface, the equivalent circuit transmission efficiency representing the soil resistance heating efficiency is calculated based on the negative correlation between the connectivity index and the blocking factor, and accurate quantitative evaluation of the heterogeneous soil resistance heating efficiency is achieved.

This invention provides a method for simulating buckling of subsea pipelines based on the pipeline element method, addressing the problems of low computational efficiency, complex modeling, and low accuracy in existing methods. Based on Euler-Bernoulli beam theory, this invention models the pipeline as a series of efficient pipeline elements. Internal pressure is converted into equivalent temperature rise, and the effective thermal expansion force generated by the effective temperature rise is applied to both ends of the pipeline element to construct the total potential energy equation. The second derivative of the total potential energy equation is performed to obtain the tangent stiffness matrix of the pipeline element. An updated Lagrange method is used for coordinate transformation. The secant relationship is used to calculate the pipeline element and soil resistance. A Newton-Raphson incremental-iterative numerical program is established to perform nonlinear analysis of the pipeline, progressively solving for the deformation and stress of the pipeline under complex loads. This invention significantly reduces the number of elements, improves computational efficiency, and accurately simulates nonlinear pipe-soil interactions. It is applicable to various pipelines, including short pipes, long pipes, and corroded pipes, as well as complex working conditions such as high temperature and high pressure.

The utility model discloses a termite cave detector which comprises a shell, two protective sleeves are arranged on the outer wall of the shell, and each protective sleeve is of an internal hollow structure. A central cylinder is arranged in the shell, a spring detection structure is arranged at the bottom end of the central cylinder, and a detection needle head is arranged at the bottom end of the spring detection structure; the detection needle head of the spring detection structure is used for sensing soil resistance mutation (the density of the ant cave area is reduced), mechanical signals are directly fed back, the detection result of the ant cave area is obtained, the cotton thread sensing structure is used for triggering the indicating rod by means of sinking of the gravity block after moisture absorption, humidity changes are synchronously reflected, and through humidity changes of soil near the ant cave area, the ant cave area is detected. In the detection process, electronic elements or external energy sources are not needed, and therefore the termite cave detection device is suitable for long-term use.

The present application relates to a kind of rock-socketed foundation bearing capacity compensation design method considering rock mass constraint, comprising: establishing rock-socketed foundation calculation model, determine its consolidation boundary condition in rock layer;Calculate the horizontal soil resistance of triangle distribution produced when foundation rotates;Solve the resisting moment of horizontal rock resistance to base center;The deformation of base is decomposed into integral subsidence and rotating component;Determine the calculation formula of base zero stress point position, and establish base vertical pressure distribution model;Establish the overall balance equation group, and solve the foundation rotation angle and zero stress point position by iteration calculation;Calculate the maximum compressive stress of base and evaluate the bearing capacity compensation effect;Finally, section internal force analysis and reinforcement design are carried out.The present application provides additional resisting moment by quantifying rock mass constraint, effectively reduces the maximum compressive stress of base, provides theoretical basis and technical support for improving foundation bearing capacity and optimizing foundation size, and is especially suitable for rock-socketed foundation design in high intensity seismic region.

The invention discloses an inland waterway ultra-long steel sheet pile vibration piling device, and relates to the technical field of waterway engineering, the inland waterway ultra-long steel sheet pile vibration piling device comprises a piling hammer, the bottom of the piling hammer is provided with a steel sheet pile, a physical disturbance assembly and a gas-liquid energy regulation and control assembly, and the gas-liquid energy regulation and control assembly is arranged on one side of the outer wall of the physical disturbance assembly; under cooperation of the physical disturbance assembly and the gas-liquid energy regulation and control assembly, efficient and accurate pile sinking is integrally achieved, piling operation is more stable and reliable, by means of linkage of a high-frequency sound wave generator and a soil resistance monitoring probe and cooperation of flexible adaptation of a corrugated pipe, soil around the pile can be pre-disturbed through high-frequency vibration, pile sinking resistance is reduced, and the pile sinking efficiency is improved. The posture of the pile body can be corrected in real time through dynamic adjustment of a micro hydraulic actuator and a ball hinge joint in the pile sinking process, pile body bending caused by rigid collision is avoided, and meanwhile, high-pressure jet flow and an air film can be isolated and directly reach key areas around the pile through three layers of nested nozzles and inner and outer layer pipelines of the gas-liquid energy regulation and control assembly.

The invention relates to the field of slope supporting, and aims to provide a semi-prefabricated L-shaped rear supporting retaining wall and a construction method thereof. A semi-prefabricated L-shaped rear-supporting retaining wall comprises a plurality of H-shaped steel with openings opposite to each other. The steel partition plate and the H-shaped steel form a structure shaped like a Chinese character'wang ', and an inserting groove is formed between the steel partition plate and a slope-facing side flange plate of the H-shaped steel; the semi-prefabricated supporting retaining wall is inserted into the inserting groove; the L-shaped rear support comprises a first side plate and a second side plate, the first side plate is connected with the semi-prefabricated support retaining wall, and the second side plate is connected to the bottom of the first side plate; the formwork is arranged at the top of the first side plate, and a rear pouring area is formed among the formwork, the H-shaped steel and the partition plate; the semi-prefabricated supporting retaining wall comprises a concrete retaining wall and a first reinforcement cage, the first reinforcement cage is embedded in the concrete retaining wall, one side of the first reinforcement cage extends to the post-pouring area, and concrete is poured in the post-pouring area. The structure is good in stability and convenient to construct, and has good lateral soil resistance and supporting capacity.

The invention relates to a pile group foundation p-y curve correction method considering the frozen soil foundation rigid shell effect. The pile group foundation p-y curve correction method comprises the steps that a foundation is divided into an upper frozen layer and a lower unfrozen layer in the depth direction; based on the average ratio of the average soil resistance of the group piles of the unfrozen soil layer at the depth z of the frozen soil field to the average soil resistance of the group piles at the depth z under the natural unfrozen foundation condition in different horizontal displacement y states, the rigid shell effect influence coefficient is obtained; introducing into a natural unfrozen foundation pile group reference p-y curve model for correction, and constructing a corrected p-y curve model of an unfrozen layer in the frozen soil foundation; and in combination with a pile group p-y curve model in a frozen layer, a total pile group foundation p-y curve model is constructed and used for horizontal bearing analysis and design of the frozen soil foundation pile group foundation, so that the weakening rule of the development degree of the rigid shell effect on the horizontal bearing capacity of an unfrozen layer is quantitatively described, and the precision of horizontal bearing analysis of the pile group foundation is improved.

The invention belongs to the technical field of laying quality testing, and particularly relates to a submarine cable laying quality testing machine and a using method thereof.The submarine cable laying quality testing machine comprises a base pipe base, a top pipe base, a resistance measuring type positioning mechanism, a resistance increasing type slow descending mechanism and a butt-joint type protection mechanism, and the top pipe base is arranged above the base pipe base; the oppositely-closed protection mechanisms are arranged on the side wall of the base pipe base and the side wall of the top pipe base correspondingly, the resistance measuring type positioning mechanism is arranged at the bottom of the base pipe base, the resistance increasing type slow descending mechanism is arranged on the bottom wall of the base pipe base, and the resistance measuring type positioning mechanism comprises a prediction assembly and a soil inserting assembly. According to the quality testing machine for submarine cable laying and the using method thereof, the soil resistance below a cable laying area can be monitored in real time, the sunken cable can be protected, the dramatic increase of the traction force of the cable is avoided, and safe and stable operation of the cable is guaranteed.

This utility model discloses a multi-speed adjustment device for a micro-tiller, relating to the field of micro-tiller technology. It includes a speed control box, inside which are an input shaft and an output shaft. Both ends of the output shaft extend out of the speed control box and are equipped with connecting flanges. Multiple gears are mounted on the input shaft. A rotating tube is rotatably mounted outside the output shaft. A transmission gear is mounted outside the rotating tube, and multiple fixing blocks are mounted on the transmission gear. A transmission tube is sleeved on the output shaft, and a keyway is formed inside the transmission tube. A transmission key that mates with the keyway is provided on the output shaft. An installation groove is formed on the inner wall of the speed control box, and a support plate is slidably mounted inside the installation groove. Power is transmitted to the transmission tube through the fixing blocks and transmission blocks, driving the output shaft to rotate. By switching the engagement of different gears, multiple speed outputs of the output shaft can be achieved, adapting to different soil resistance and tillage depth requirements, and making gear switching faster.

This invention relates to an irrigation control method, mainly comprising: establishing a functional relationship fp between soil resistance Rx and soil voltage Vc; establishing a functional relationship fk between an irrigation index Ir and soil resistance Rx; a resistance-to-voltage conversion circuit converting the current soil resistance into a current soil voltage value; setting a reference irrigation index; obtaining a reference soil resistance value based on the reference irrigation index and the functional relationship fk between the irrigation index Ir and soil resistance Rx; obtaining a reference voltage value based on the reference soil resistance value and the functional relationship fp between soil resistance Rx and soil voltage Vc; irrigating the soil when the voltage difference between the current soil voltage value and the reference voltage value is zero; comparing the current soil voltage value with the reference voltage value; and controlling whether to irrigate the soil based on the comparison result. This invention can adapt to different soil compositions, expand its application range, and achieve energy-saving effects.

This utility model relates to the field of deep tillage shovel technology, specifically to a multi-angle deep tillage shovel that mimics root growth. It includes a shovel handle, a shovel plate fixedly connected to the bottom end of the handle, and shovel wings hinged to two opposite sidewalls at the lower end of the handle. An adjustment assembly for synchronously adjusting the tilt angles of the two shovel wings is also installed on the handle. The adjustment assembly includes two base plates slidably connected to the handle and an electric push rod fixedly installed on the outside of one sidewall of the handle. A connecting rod is hinged between the base plate and the shovel wing on the same side. This utility model uses a microcontroller to receive signals from a strain gauge force sensor indicating soil compression and controls the electric push rod to adjust the shovel wing angle to reduce resistance, achieving intelligent adjustment of the deep tillage angle based on soil resistance and enhancing the deep tillage effect.

The utility model provides a kind of medicinal material harvesting equipment, including harvester body, the symmetry of one side of harvester body is equipped with split type bearing seat, the inside of two groups of split type bearing seat is equipped with bearing, the inside of two groups of bearings is connected with fixed shaft, fixed mounting column is uniformly installed between two groups of fixed shaft, multiple groups of fixed frame are engaged with the outside of mounting column, and the top end side of fixed frame is inclinedly provided with shovel plate.The utility model can adjust the use angle of shovel plate according to the need of use by setting adjusting mechanism, and the angle of shovel plate is fixed under the self-locking characteristics of worm gear and worm, to prevent the angle deviation caused by soil resistance in operation, to ensure the stability of device use;By setting multiple groups of shovel plate and the fixed frame connected with shovel plate, under the cooperation of rubber pad and inner hexagonal bolt, the fixed frame connected with shovel plate can be quickly replaced according to the need of use, to simplify the process of shovel plate replacement or maintenance, while reducing the cost of maintenance.

The invention relates to the technical field of agricultural machinery cutters, in particular to a salt-corrosion-resistant rotary tillage stubble-cutting cutter which comprises a cutter shaft, the cutter shaft is provided with a cutter head, and the cutter head is provided with a rotary tillage cutter; the self-adaptive angle changing assembly comprises a self-adaptive angle adjusting mechanism and a resetting mechanism; when the angle of the rotary blade is adjusted, the energy storage assembly is used for converting kinetic energy generated when the angle of the rotary blade is adjusted into electric energy and compressed air and storing the electric energy and the compressed air; the soil attachment prevention assembly comprises a walking mechanism and a scraping mechanism. And when the walking mechanism drives the scraping mechanism to reset, waste gas released by the walking mechanism can be input into the self-cleaning assembly to clean the scraping mechanism. The rotary blade can automatically adjust the angle according to the soil resistance through the self-adaptive variable-angle assembly, saline-alkali soil on the blade shaft is removed in time in cooperation with the energy storage assembly and the soil attachment prevention assembly, the service life of the blade is remarkably prolonged, and the working reliability of the blade is remarkably improved.

This invention relates to the field of data analysis, and more particularly to a method for assessing farmland soil quality based on multi-source sensor information fusion. The method includes: constructing gradient energy features and performing phase-aligned cross-correlation assessment on soil resistance depth curve data to obtain a gradient energy phase-locking factor; performing rheological consistency coupling assessment on the morphological features of the soil resistance depth curve and soil volumetric water content to obtain a rheological morphology coupling factor; jointly correcting the basic Euclidean distance to obtain an adaptive similarity distance and performing clustering iterations; and performing spatial modeling and prescription mapping on the clustering results and sampling point location information to obtain a precise soil compaction diagnostic map and generate differentiated deep loosening operation instructions. This addresses the problem that existing Euclidean distances easily cause misalignment of compaction layer features and distortion of rheological intensity under farmland micro-topographic undulations and water content differences, leading to distorted clustering partitions.

This invention relates to the field of steel pipe pile technology and discloses a prestressed steel pipe concrete pile and its usage method, including an overall external mechanism, which also includes an overall chassis. The invention is designed with a bottom fixing mechanism. The soil characteristics from the soil surface to 40 cm underground are relatively dry, fine and have poor seismic resistance. The soil characteristics below 40 cm are moist, soft and have poor stability. According to the normal construction process of small villas, the foundation should be buried to a depth of 100 cm. When the foundation of this invention is being fixed, the bottom fixing mechanism extends outward due to soil resistance and stores a portion of the fine and dry surface soil inside the fixing column. After going deeper, it mixes with the moister soil underground, making the equipment more stable. It takes advantage of the large temperature difference between day and night in suburban areas, the poor thermal conductivity of the outer wall of the overall stone slab, and the low temperature. The overall condensation plate is a metal product with high thermal conductivity, which absorbs the surrounding temperature and prevents condensation from occurring inside.

The present application relates to the technical field of cathodic protection, in particular to a complex buried pipe network cathodic protection optimization method under current interference, comprising the following steps: collecting the data of soil resistivity, pipeline material and environmental humidity from differentiated industrial areas by adopting field sampling method, obtaining environmental parameter characteristics by analyzing the variability and correlation of the data.In the present application, the model can be accurately adjusted to various complex interference conditions by simulating the scene test of the environment, optimizing the distribution of current and potential, not only improving the stability of the cathodic protection system in the variable interference environment, but also realizing the fine adjustment of current and potential parameters through the simulation and multiple simulation tests of electromagnetic field data, significantly improving the corrosion prevention effect of buried pipe network and the overall efficiency of the system, ensuring the long-term safety and stability of buried pipe network in complex current interference environment through real-time monitoring and adjustment, significantly prolonging the service life of the facility.

In order to solve the problem that a traditional calculation method cannot accurately reflect non-limit soil pressure outside a pit and retained soil resistance release in the pit, the invention provides an improved incremental calculation method. The method comprises the following steps: firstly, decomposing an increment load between working conditions into a plurality of increment steps in a calculation process, and dynamically introducing calculation of a next increment step through a non-limit soil pressure difference value corresponding to the displacement of an enclosure structure in the previous increment step, so that the influence of non-limit soil pressure is effectively considered in an increment method; and secondly, the release process of the soil resistance is reflected through the soil spring stiffness change caused by unloading of the unexcavated soil body, so that the stress deformation condition of the foundation pit excavation enclosure structure can be more truly and efficiently calculated.

The application relates to the technical field of machine learning, in particular to a riverbank soil body in-situ resistance to scour test method based on an adversarial neural network algorithm. The method comprises the following steps: determining a to-be-tested soil body region, collecting initial three-dimensional terrain image data of the region to obtain pre-scouring terrain data, performing scouring through an in-situ scouring strategy, collecting final three-dimensional terrain image data of the region after the scouring is completed to obtain post-scouring terrain data, and collecting bed elevation time series data of a preset fixed point; inputting the pre-scouring terrain data, the post-scouring terrain data and the bed elevation time series data of the preset fixed point into an in-situ soil body resistance to scour prediction model to obtain a resistance to scour performance index of the region; and the in-situ soil body resistance to scour prediction model is obtained by training an adversarial neural network through a comprehensive training data set. The method solves the problem that the existing resistance to scour test lacks multi-source data fusion and process dynamic prediction capability of an erosion process, and greatly improves the efficiency and precision of riverbank resistance to scour evaluation.

The invention discloses an automatic method and system for lightning disaster risk assessment, and belongs to the technical field of meteorological disaster risk assessment. The method mainly comprises the following steps: automatically collecting soil resistivity, geographic information, thunder and lightning and thunder disaster historical data through a data interface; carrying out standardization processing and storage on the data; data updating is monitored based on a preset rule, subsequent analysis processes are automatically triggered, and automatic adjustment can be performed according to a preposed conclusion through mutual association of all the analysis processes; and finally, independently and integrally generating various analysis reports. The corresponding system comprises functional modules for implementing the steps. According to the invention, through an automatic triggering mechanism, the problems of dependence on manpower, low efficiency and poor consistency in the prior art are solved, full-process automation, intelligence and standardization of lightning disaster risk assessment are realized, and the assessment efficiency and reliability are significantly improved.

The invention discloses a method for dynamically sensing and intelligently and accurately regulating and controlling multi-modal data in a sludge solidification construction process, and belongs to the field of intelligent control of engineering machinery. The method comprises the following steps: collecting a global pose of a machine body, driving power parameters and a visual image sequence containing a high-position identifier, and resolving an underground real-time three-dimensional track and attitude of a stirring head while resisting mud shielding and vibration interference by utilizing an engineering machinery vision-inertia fusion algorithm introducing kinematics constraint; furthermore, the stirring track is discretized to construct the effective swept volume of the infinitesimal track segment, and a physical closed-loop control model based on the grouting density of the target unit volume is established in combination with a self-adaptive soil resistance index. According to the method, the traditional linear experience control logic is abandoned, the problem of non-uniform distribution of the curing agent caused by inclination and variable motion of the stirring head is solved by matching the scanning volume and the grouting energy in real time, and microscopic calculation control and whole-process tracing of the hidden engineering construction quality are realized.

This invention belongs to the technical field of subsea pipeline structure stress and in-situ stability. It discloses a model pipeline system capable of accurately measuring the stress on subsea pipelines. The system has a symmetrical structure and includes a model pipeline body, end support structures, a two-dimensional total force sensor measurement assembly, a dynamic pressure measurement sensor, a maintenance window for the model pipeline system, fixed tie rods, and a pressure sensor mounting body. The pressure sensor mounting body is located between the two model pipeline bodies. This invention can highly integrate various sensors into the same model pipeline testing system, greatly improving experimental testing efficiency. Furthermore, this invention enables simultaneous measurement of the hydrodynamic forces and soil resistance experienced by the model pipeline, making research on the in-situ stability of subsea pipelines a practical possibility.

The invention provides a full-automatic intelligent transplanting machine and method, and the method comprises the steps: carrying out the evaluation of the planting adaptability of a target transplanting plot through ground surface environment data, screening out a target to-be-planted point comprising a loose structure region, a stable humidity region and a safe ground surface slope region, and generating a transplanting path suitable for the mechanical operation condition of the target transplanting plot; identifying the adaptability information of the soil penetration depth of the transplanting execution mechanism of the intelligent transplanter and the attitude stability of the seedling body in the transplanting process based on the multi-modal sensing data; performing real-time correction on a mechanical arm execution path of the intelligent transplanter according to the adaptability information of the soil penetration depth and the attitude stability of the seedling body, and generating an execution control sequence; and performing adaptive correction on the transplanting action of the transplanter by taking the execution control sequence as a reference according to the soil resistance fluctuation fed back in real time in the transplanting process. By means of the scheme, real-time sensing and linkage control can be conducted on the working environment and the working state in the transplanting process so as to achieve dynamic optimization of the transplanting path.

The invention relates to a high-voltage power grid outage maintenance grounding protection system and an implementation method thereof. The system comprises an intelligent grounding pile module, a control module, a ground clearance detection unit and a safety interlocking unit. The intelligent grounding pile module comprises a grounding pile control host, a grounding pile body, a depth self-detection unit, a soil resistance detection unit and a positioning unit. The control module is matched with the intelligent grounding pile module to receive the geographic position coordinates, verify the geographic position coordinates with a preset maintenance area, generate a grounding completion signal when the depth and the resistance value meet preset standards, and trigger an alarm and lock a subsequent operation authority when the depth or the resistance value does not meet the standards; the terrain clearance detection unit monitors the terrain clearance of an operator in real time; after receiving the grounding completion signal, the safety interlocking unit unlocks the ground clearance detection unit and dynamically controls the operation authority of the power grid switch equipment according to data returned by the ground clearance detection unit; according to the invention, more rigorous and safer maintenance operation guarantee can be realized.