91 results about "Land improvement" patented technology

The utility model relates to a saline-alkali soil improvement system which comprises a monitoring mechanism, a salt discharging mechanism and an irrigation mechanism, the monitoring mechanism is erected above soil, the salt discharging mechanism and the irrigation mechanism are both buried in the soil, the irrigation mechanism is buried above the salt discharging mechanism, and the irrigation mechanism is communicated with a water and fertilizer integrated tank; the monitoring mechanism comprises a photovoltaic panel and a controller, the photovoltaic panel is in transmission connection with the photosensitive sensor driving motor, the photovoltaic panel is electrically connected with the controller and the irrigation mechanism, and the controller is in communication connection with the irrigation mechanism and the detection equipment. The technical problems that long-term effectiveness and sustainable development are difficult to achieve, water resources are wasted, and soil secondary salinization is caused due to the fact that drainage is not timely are solved.

The invention provides a water-retaining material as well as a preparation method and application thereof, and finds that corn glume has extremely high water absorption rate and can be used as an excellent water-retaining material. The glume is obtained by crushing corncobs and then carrying out winnowing and gradient sieving, and the particle size is 2-3mm. In order to effectively utilize the material, the obtained corn glume, a binder, an expanding agent and water are mixed and granulated to prepare water-retaining agent particles, and the water-retaining agent particles are easy and convenient to apply, high in water-retaining capacity and capable of effectively improving the water-retaining capacity of soil and improving the temperature, humidity, conductivity and bulk density of the soil; therefore, the method has important commercial value for soil and land improvement.

The invention relates to the technical field of land reclamation and remediation, in particular to a land reclamation and remediation device and method.The land reclamation and remediation device comprises two fixing frames, a soil shoveling and guiding cover, a first-stage screening mechanism and a second-stage screening mechanism. According to the land reclamation and remediation device, through cooperation of the soil shoveling and material guiding cover, the first-stage screening mechanism and the second-stage screening mechanism, the function of removing pebbles of different sizes in multiple stages during land ploughing is achieved, and the pebbles screened out in each stage are collected; and meanwhile, the soil shoveling and guiding cover and the first-stage screening mechanism are matched, the soil remediation depth can be increased, the soil is further crushed, the soil is refined, meanwhile, the soil and the stones are further separated, and therefore the soil remediation effect is improved. And the effect of screening the stones in the soil is improved.

The invention provides a method for improving land through cooperation of coal-based solid waste and agricultural waste, and belongs to the technical field of solid waste reutilization. According to the method, coal gangue and other solid waste are used as main raw materials, different application modes are provided for mine area land restoration and desertification land improvement, the scientific, reasonable, economical and safe ecological restoration mode is adopted, the requirements for mine area land desertification and ecological restoration of a mine area are met, and the method is suitable for popularization and application. And a feasible solution is provided for regions taking coal-based industry and animal husbandry as the pillar industry, and the ecological restoration effects of treating waste with waste and turning waste into wealth are achieved. Results of the embodiment show that when the method provided by the invention is used for land improvement, the volume weight and the field moisture capacity of the soil can be effectively improved, nutritional ingredients in the soil are greatly improved, and the improved soil meets the standard of Soil Environment Quality Agricultural Land Soil Pollution Risk Management and Control Standard (Trial) (GB15618-2018).

The present invention relates to the technical field of area measurement, and discloses a land area surveying instrument for land improvement, which includes a horizontal calibration mechanism. A comparison measurement mechanism is installed on the top of the horizontal calibration mechanism. A height measurement mechanism is installed vertically in the middle of the comparison measurement mechanism. A searchlight mechanism is movably connected to the top of the height measurement mechanism; by providing the comparison measurement mechanism and the height measurement mechanism, the present invention is beneficial to adjusting the area size extended by the comparison measurement mechanism by pulling out the length extension plates and width extension plates that are movably inserted into the top and bottom sides of the inner cavity of the basic measurement plate laterally. The area is set as S1. Then, the searchlight mechanism moves up and down along the surfaces of the first lead screw and the two limit columns. The height between the bottom surface of the searchlight and the top surface of the basic measurement plate is L1, and the height between the bottom surface of the searchlight and the top surface of the reference plate is L2. Then, through the proportional relationship S1 / S2 = L1 / L2, S2 is calculated, which is the area of the land block.

The invention provides a special data recording device for comprehensive land renovation, which comprises a lifting type driving mechanism, a ground host, layered sensing piles, guide buckles, micro sensing units and a multi-point data driving mechanism, and is characterized in that the layered sensing piles comprise shallow sensing node piles, middle sensing node piles and deep sensing node piles which are sequentially assembled and arranged; a plurality of guide buckles are used for supporting and positioning, each node pile is provided with a micro sensing unit and a multi-point data driving mechanism, and the micro sensing units are used for synchronously collecting soil humidity, conductivity, organic matter, particle distribution and temperature parameters. The multi-point data driving mechanism drives the micro sensing unit to reciprocate along the length range of the node pile so as to realize multi-point acquisition, and the lifting type driving mechanism controls the layered sensing pile to slightly lift, so that the position of a detection point is adjusted, and the sampling density is improved.

The invention discloses a global land comprehensive improvement coupling evaluation and decision optimization method and system, a medium and a product, and relates to the field of land improvement evaluation. The method comprises the following steps: extracting first data of each suitability index from basic data of global land comprehensive improvement to obtain an improvement suitability index; calculating the change rate of each benefit index according to the second data before renovation and the third data after renovation so as to obtain a renovation benefit index; the coupling coordination degree of the target geographic unit is calculated based on the improvement suitability index and the improvement benefit index, and when the target geographic unit needs to be optimized, a differential improvement optimization strategy for the target geographic unit is matched and generated from a preset strategy knowledge base according to the coupling mismatch type to which the target geographic unit belongs; and generating a resource allocation scheme with the expected comprehensive benefit maximization under the renovation resource constraint condition input by the user. By implementing the technical scheme, the suitability and the benefit of global land comprehensive improvement can be scientifically evaluated.

A method for identification of land improvements in a given parcel of land that includes generating a first training data set by clipping a large image of a parcel of land into individual parcel images each including images of improvements, and each improvement being labeled with an improvement type, providing the individual parcel images to a first classification model, training the first classification model based on the individual parcel images to identify unlabeled improvements in a parcel image and to obtain a multi-label classifier, generating a second training data set of images, and training a second, semantic segmentation model based on the second training data set.

The invention relates to the technical field of irrigation saline-alkali soil improvement, in particular to an irrigation saline-alkali soil improvement method based on straw adsorption and water conservancy regulation, which comprises the following steps: acquiring multi-depth soil parameters and surface meteorological data of an irrigation area, and establishing a soil water-salt dynamic migration coupling model; calculating a vertical moisture flux and a plowing layer net salt flux by using the model; calculating an accumulated salt return risk index to obtain a salt return risk grade; building a straw decomposition index by using multi-depth soil parameters; on the basis of the straw decomposition index, updating the soil water and salt dynamic migration coupling model; in response to the fact that the salt return risk level is a high risk, constructing an optimization objective function; resolving and optimizing the objective function to obtain an optimal irrigation strategy; outputting an optimal irrigation strategy to an irrigation control system, and feeding back the optimal irrigation strategy to the model as an irrigation rate; according to the invention, threats can be identified before a high-risk salt return event occurs, the timeliness and initiative of regulation and control are improved, and the balance between treatment benefits and economic cost is realized.

The invention discloses a natural recovery method and device for a historical remaining mine. The method comprises the following steps: receiving geographical location information and climate information of a to-be-recovered historical remaining mine; fusing and identifying the multi-source remote sensing data for the historical remaining mine, and determining the to-be-recovered region type of the to-be-recovered region; according to the to-be-recovered region type, determining a recovered target region type; superposing terrain, soil, hydrology and pollution data by using a geographic information system (GIS) to generate a recovery potential coefficient; the recovery potential coefficient is used for adjusting a recovery target; making an ecological restoration plan according to the restoration target, the geographic position information, the climate information and the target area type; according to an ecological restoration plan, a ground robot is used for land improvement and sensor laying, an aerial robot is used for sowing, deinsectization, nutrient spraying and microorganism putting, and an intelligent irrigation system is used for irrigation; monitoring information is obtained; and adjusting and refining the ecological restoration plan based on the monitoring information.

The invention discloses a loess region key section water and soil loss treatment method comprising the following steps: 1, carrying out landform analysis on a loess region to accurately identify a key section area with high risk of water and soil loss; step 2, carrying out terrace transformation on the key section by adopting a terrace type land reclamation technology, and introducing a water and soil conservation system and a drainage system at the same time; step 3, constructing a soil erosion prevention and control system mainly based on biological measures, including but not limited to vegetation restoration and application of a soil conditioner; 4, a water and soil loss monitoring system is established to monitor the treatment effect, regular maintenance is conducted through a maintenance mechanism, and the problems that a traditional water and soil loss treatment method is low in efficiency and not lasting in treatment effect are solved.

The invention relates to the technical field of land improvement, and discloses a plateau grassland ecological restoration land improvement machine which comprises a vehicle body and a rack. The soil turning assembly comprises a cutting piece and a soil turning roller, the soil is longitudinally and transversely cut through the cutting piece to obtain a net-shaped soil layer, and the soil turning roller is used for turning soil on the net-shaped soil layer; the groove assembly comprises a groove turning plough and two conveying pieces, the groove turning plough is used for ditching the soil layer after soil turning, and the soil after ditching is conveyed to the conveying pieces; the seeding assembly comprises a seeding box, a mixed seeding part and a soil covering part, the seeding box is mounted at the tail end of the rack through a regulation and control part, the mixed seeding part is used for mixing soil, seeds and fertilizer and conveying the mixture into the formed groove, and the soil covering part is used for covering soil on the groove. According to the plateau soil turning device, automatic soil turning, sowing, fertilizing and covering treatment are achieved for plateau soil, the soil turning efficiency and effect of plateau frozen soil are improved, uniform mixing of soil, seeds and fertilizer is achieved, the overall repairing efficiency is improved, and the labor amount is reduced.

The utility model discloses a ploughing device for land improvement relates to farming equipment technical field, including ploughing subassembly and mounting seat, ploughing subassembly and mounting seat are fixedly connected, mounting seat includes fixed plate and two semi-circular plate, two semi-circular plate are fixedly installed in fixed plate one end middle part both sides, the semi-circular plate is fixed in fixed plate one end middle part both sides, the semi-circular plate is fixed in fixed plate one end middle part both sides, the semi-circular plate is fixed in fixed plate one end middle part. And semicircular worm wheels are fixedly mounted in the middles of the two semicircular plates. When the ploughing angle is adjusted, the motor is started through external equipment to drive the worm to rotate, the sliding block is meshed with the semicircular worm gear, the worm can move along the angle of the semicircular worm gear, and the sliding block can also move along the sliding groove in the process. And then the fixed seat and the plowing angle of the whole plowing assembly connected with the fixed seat are driven to be adjusted, so that the device can be adjusted to the angle more suitable for turning and loosening soil according to the soil hardness, the plowing operation efficiency is improved, and the energy consumption and the operation time are reduced.

The utility model relates to the technical field of soil detection, in particular to a soil detection device for land improvement and ecological restoration, which comprises a box body and material boxes welded at four corners in the box body, transmission belts are arranged on two opposite sides of the box body, one end of each transmission belt extends into the corresponding material box, and the other end of each transmission belt extends into the corresponding material box. A first fixing plate and a second fixing plate are placed in the box body, storage boxes are arranged at the two ends of the first fixing plate and the two ends of the second fixing plate, the tops of the storage boxes correspond to the position of a material opening in the bottom of the material box, fixing frames are fixedly connected to the two sides, away from one end, of the conveying belt, and auger machines are slidably connected into the fixing frames; and when the tops of the storage boxes are completely separated from the bottom of the material box, the electric push rod is started, and the multiple storage boxes are driven to move out of the box body through the electric push rod, so that a worker can conveniently take a soil detection pen to detect soil in the multiple storage boxes, multiple times of soil collection can be eradicated, and the working time is shortened.

The invention relates to the field of surveying and mapping sampling, in particular to a land surveying and mapping and sampling device for land improvement and ecological restoration. The device comprises a fixing mechanism and a sampling mechanism, the sampling mechanism comprises a cover body, a bracket, a rotary drum rotationally arranged on the bracket, a sliding column clamped on the rotary drum in a sliding manner, a screw rod arranged at the bottom end of the sliding column, a connecting frame arranged at the bottom of the cover body, a fixed table arranged on the connecting frame and in threaded connection with the screw rod, a fixed ring arranged at the lower part of the screw rod, and a sampling assembly rotationally arranged at the bottom of the screw rod; the toothed ring is positioned below the sampling assembly; the plurality of rotating rods are connected between the fixed ring and the toothed ring; the driving mechanism I is arranged in the cover body and drives the rotating drum to rotate; the sampling assembly comprises a rotating plate and a sampling barrel, and the sampling barrel comprises a barrel body I and a barrel body II. The sampling barrel can be inserted into soil in the mode that drilling is conducted firstly and then insertion is conducted, the device is suitable for sampling of hard soil, and after the soil is taken out, the thickness of the soil layer is conveniently measured by opening the sampling barrel.

The application discloses a sludge directional hydroxyl radical wall-breaking drying and deodorization method and system, and belongs to the technical field of sludge harmless and resourceful treatment. The application generates hydroxyl radicals in-situ in a sludge system by nano-catalytic coupling with a weak electric field, and makes the hydroxyl radicals preferentially act on microbial cell walls and malodorous substances by precisely controlling the concentration of the hydroxyl radicals, the reaction time and the pH of the system, so that cell wall breaking, water releasing, dehydration drying and source deodorization are realized. Meanwhile, the deep oxidation and mineralization of macromolecular organic matter are inhibited, and the organic carbon source and nutrient components are maximally reserved. The moisture content of the treated sludge is significantly reduced, the sludge is odorless, the organic matter retention rate is greater than or equal to 85%, and the sludge can be directly connected with anaerobic digestion, aerobic fermentation composting or land improvement utilization. The application has the characteristics of fast treatment speed, low energy consumption, no secondary pollution and strong resource connection, solves the problems of long cycle of traditional processes, malodorous emission and organic matter loss caused by excessive oxidation, and is suitable for efficient pretreatment of high-organic sludge such as municipal sludge and food sludge.

The invention relates to the technical field of land improvement, in particular to a saline-alkali land pasture planting irrigation system which comprises a soil humidity detection module, a water source treatment module, an irrigation execution module and a control module. Wherein the soil humidity detection module is used for detecting real-time humidity data of soil, transmitting a detection signal to the control module in real time and judging whether the detection data of the soil humidity detection module is accurate or not, and then the control module outputs an adjustment instruction to the irrigation execution module for irrigation adjustment. Relatively stable comparison data are provided through physical detection of the humidity comparison unit, comparison is carried out in combination with data of the soil detection module, excessive deviation of the data of the soil detection module can be found in time, corresponding irrigation adjustment is adjusted, corresponding components are maintained or replaced, and it is ensured that an irrigation scheme meets soil requirements.

The utility model discloses green recycled paper for saline-alkali soil improvement, land temperature rise, fertilization and weeding. The green recycled paper comprises humic acid recycled paper, straw recycled paper and a mixture layer, the humic acid recycled paper is prepared by adding humic acid to straw recycled paper, and the mixture layer is placed between the humic acid recycled paper and the straw recycled paper; and the mixed material layer adopts a sheet structure formed by mixing a fertilizer and an oxygen producer. According to the technical scheme, raw materials of the green recycled paper are easy to obtain, the green recycled paper is degradable and environmentally friendly, good conditions can be provided for continuous growth of crops, the number of times of fertilization is reduced, and meanwhile the recycled paper can increase temperature and hinder growth of weeds when covering soil.

The present invention discloses a method for comprehensive land consolidation planning based on three-dimensional modeling and auxiliary decision-making analysis, which relates to the technical field of comprehensive land consolidation planning. Specifically, the method includes the following steps: based on a generated three-dimensional terrain model, identifying areas with continuous slopes and height-difference fractures at the slope foot, marking them as sensitive areas for sliding structure interference, and evenly dividing them into a number of sliding configuration sub-areas; obtaining and analyzing the slope sliding interference configuration information of each sliding configuration sub-area, evaluating the potential degree of sliding risk of each sliding configuration sub-area, and dividing each sliding configuration sub-area according to the evaluation results; based on the division results of each sliding configuration sub-area, respectively executing corresponding slope reinforcement measures and dynamically regulating them. The present invention solves the problem of risk misjudgment caused by unclear identification of the slope foot fracture, and achieves accurate identification of sliding slopes and dynamic reinforcement response.

The invention relates to the technical field of soil collection equipment, and discloses soil collection equipment based on land improvement and protection utilization, the soil collection equipment comprises a supporting transverse plate, a sampling mechanism arranged in the supporting transverse plate, and a balance adjusting assembly arranged outside the supporting transverse plate, and the balance adjusting assembly is used for adjusting the angle of the supporting transverse plate. The sampling mechanism is used for sampling soil perpendicular to the horizontal line, through the arranged sampling mechanism, during collection, a drilling cylinder assembly is installed in a supporting transverse plate, a hand wheel assembly is used for controlling the drilling cylinder assembly to drill into the soil firstly, then all components of a coring cylinder in the initial state are placed in the drilling cylinder assembly, and the coring cylinder is driven by the hand wheel assembly to drill into the soil; the hand wheel assembly is used for controlling the rotating assembly to rotate in the fixing assembly and driving the deformation assembly to deform, the coring barrel capable of collecting center soil is combined, and therefore the effects of improving soil resource utilization and protecting effectiveness are achieved.

This invention provides a micro-electric field synergistic graphite / humic acid saline-alkali land improvement system and its construction method. The saline-alkali land improvement system includes a saline-alkali land improvement fertilizer and a low-voltage power supply system. The saline-alkali land improvement fertilizer is a four-layer composite particle, consisting of a core layer, an inner transition layer, an isolation layer, and an outer layer from the inside out. The outer layer contains modified graphite that has undergone surface hydroxylation and magnetic field-induced alignment treatment. The low-voltage power supply system is used to apply intermittent direct current to the saline-alkali land improvement fertilizer, which is distributed in the soil in an intermittent manner, to establish a micro-electric field between adjacent amendment strips. The saline-alkali land improvement fertilizer of this invention solves the problems of salt rebound and short-term effects of single amendments, and significantly improves the improvement efficiency of severely saline-alkali land. By establishing a micro-electric field inside the soil, a directional driving force is applied to charged salt ions, causing them to quickly detach from the crop root zone and be efficiently captured and fixed by the functional components in the formula, thereby improving the desalination rate and improvement depth.

The invention discloses a compound seeder for improving saline-alkali soil through oats and a land improvement method of the compound seeder, and relates to the technical field of oat seeding equipment, the compound seeder comprises a frame, a plough share rotationally mounted at one end of the frame and a first motor fixedly mounted at the top of the frame and driving the plough share, and a discharging mechanism is arranged at the other end of the frame; a conveying mechanism is arranged at the bottoms of the discharging mechanism and the seeding mechanism; a cultivation mechanism is arranged at the bottom of the conveying mechanism; the discharging mechanism and the seeding mechanism guide a modifier and oat seeds into the cultivation mechanism through the conveying mechanism, and channeling, improvement and seeding of the saline-alkali soil are completed through the cultivation mechanism. The compound seeder for improving the saline-alkali soil of the oats, disclosed by the invention, can improve the survival rate of oat seeds planted under a saline-alkali condition and directly improve the saline-alkali environment, and has the effects of multiple functions and high efficiency.

The invention belongs to the technical field of land improvement, and particularly relates to an agricultural land improvement device which comprises a frame, and walking wheels are rotationally arranged at four corners of the frame; the topsoil crushing and transferring mechanism is arranged in the frame, the soil inlet end of the topsoil crushing and transferring mechanism is located below the front end of the frame, the soil outlet end of the topsoil crushing and transferring mechanism is located below the rear end of the frame, and the topsoil crushing and transferring mechanism is used for crushing and transferring topsoil of the land needing to be improved and repaired; the deep soil crushing and transferring mechanism is arranged in the frame, the soil inlet end of the deep soil crushing and transferring mechanism is located below the rear portion of the soil inlet end of the surface soil crushing and transferring mechanism, and the soil outlet end of the deep soil crushing and transferring mechanism is located above the rear portion of the soil outlet end of the surface soil crushing and transferring mechanism. The deep soil crushing and transferring mechanism is used for crushing and transferring the deep soil of the land needing to be improved and repaired. The agricultural land improvement effect can be improved.

The invention discloses a saline-alkali soil improvement vehicle and a use method thereof, and relates to the field of saline-alkali soil treatment. A saline-alkali soil improvement vehicle comprises a compartment, a connecting piece used for being connected with driving equipment is arranged on one side of the compartment, a front axle is rotationally connected to the lower end of the side, close to the connecting piece, of the compartment, and front wheels are symmetrically and fixedly connected to the two ends of the front axle; when the running speed of the vehicle is changed, the rotating speed of the front wheel shaft is changed and is transmitted to the second rotating rod through the first transmission assembly, so that the rotating speed of the spiral propelling blade is correspondingly changed, and the material conveying amount is dynamically adjusted, for example, when the running speed of the vehicle is increased, the rotating speed of the spiral propelling blade is increased, and the material conveying amount is increased; when the running speed is reduced, the rotating speed of the spiral propeller blades is reduced, and the material conveying amount is reduced, so that the problem that the feeding amount is too large or too small due to the change of the running speed is solved, the feeding amount of improved materials such as desulfurization gypsum can be more accurately controlled, and the improvement effect is improved.

The present invention relates to the field of computer technology, and specifically to a method and system for integrating land monitoring data based on a mobile laboratory. The method includes: collecting land improvement monitoring data based on multiple monitoring terminals to obtain land monitoring data under different standard interfaces; integrating the land monitoring data under different standard interfaces into a unified data format under the mobile laboratory information management system; storing and managing the land monitoring data in the unified data format as a means to ensure the orderly development of land improvement and improve the effectiveness of land improvement. The present invention improves the richness of the spatial resolution and temporal resolution of monitoring data while reducing the workload of in-field and office personnel for monitoring work and also reducing the probability of errors in the manual processing process.

The utility model relates to the technical field of land improvement agents, and discloses a white slurry soil improvement agent application depth control device which comprises a fixing plate, the top of the fixing plate is fixedly connected with a supporting seat, the interior of the supporting seat is fixedly connected with a first motor, and the other end of an output shaft of the first motor is fixedly connected with a rotating shaft in a sleeved mode. And the other end of the rotating shaft is fixedly sleeved with a rotating plate. By arranging the rotating shaft, the rotating plate, the sleeve rod, the rectangular rod and the protective shell, when the first motor starts to operate, the rotating shaft drives the rotating plate to rotate, the rotating plate extrudes and pushes the sleeve rod, and the sleeve rod drives the rectangular rod and the protective shell to move downwards under the limiting action of the fixing plate; and finally, a second motor drives a drill bit to move vertically downwards together, so that the depth of a hole drilled by the drill bit in the ground is adjusted, the depth of subsequent fertilization is further influenced, and the application effect of the land conditioner is improved.

The utility model discloses a saline-alkali soil improvement device, and belongs to the field of saline-alkali soil improvement devices.The saline-alkali soil improvement device comprises a device body, a pushing handle arranged on the device body, fixing frames symmetrically arranged at the end, close to the pushing handle, of the device body and a protection structure used for protecting a ploughing device; an adjusting structure is arranged on the device body and comprises a guide frame fixedly arranged at the bottom of the device body, a two-way lead screw rotationally inserted into the guide frame, sliding blocks symmetrically arranged on the two-way lead screw in a threaded and sleeving mode and fixedly connected with a fixing frame, and a hand wheel fixedly connected to one end of the two-way lead screw. Through the design of the adjusting structure, a user can easily adjust the distance between the two fixing frames, the device can adapt to various ploughing devices with different models and lengths, and diversified ploughing requirements are met. A user can easily adjust the distance between the fixing frames only by rotating the hand wheel, and professional tools or complex dismounting and mounting processes are not needed.

The utility model discloses water and soil loss prevention equipment for comprehensive land improvement, which comprises a wrapping layer, grass seeds are filled in the wrapping layer, a stabilizing layer is arranged at the top of the wrapping layer, a plurality of inserting rods are uniformly inserted in the wrapping layer and the stabilizing layer, and the tops of the inserting rods are jointly and fixedly connected with a baffle. By means of the structure, when the wrapping layer and the stabilizing layer are stabilized through the baffles and the inserting rods, the effects of blocking water flow and reducing water and soil loss are achieved. After the grass seeds grow to form a vegetation covering layer, water and soil loss can be further effectively prevented, the problem that water and soil cannot be well protected in the grass seed production period is solved, effective protection on the land is achieved, and the risk of water and soil loss is reduced.

The invention discloses a surveying and mapping survey device for land improvement, and relates to the technical field of land improvement, the surveying and mapping survey device comprises a surveying instrument main body, a mounting support, a supporting bracket and a bracket joint, the bracket joint is arranged at the lower part of the supporting bracket, the upper part of the supporting bracket is connected with the mounting support, and the mounting support is connected with the surveying instrument main body; the supporting support comprises an inner pipe and an outer pipe, the outer pipe is connected with the inner pipe in a sleeved mode, a connecting end is arranged on the lower portion of the inner pipe and connected with the support connector through a bolt, and a hinge joint is arranged on the upper portion of the outer pipe and connected with the installation support. According to the surveying and mapping investigation device for land improvement, different foundation working conditions can be matched according to needs through the replaceable support connectors, the carrying cost of measurement equipment is reduced, and the operation turnover efficiency is greatly improved; and due to the scientific arrangement of the connecting frame, the problems of positioning deviation and operation blockage in the joint switching process are further solved, and rapid and accurate switching of the joints is achieved.

The invention provides a land ploughing device for land reclamation, and relates to the technical field of land reclamation, the land ploughing device comprises a fixed seat, a supporting seat is welded to the bottom of the fixed seat, a rotating column is rotatably mounted on the supporting seat, a roller is fixedly mounted on the rotating column, and a fixed hanging lug is welded to the side of the fixed seat; the feeding assembly comprises a feeding pipe. According to the device, the land is ploughed to form ditches through the ploughing knife, fertilizer or other objects in the feeding pipe fall into the ditches after ditching, the fertilizer is covered along with falling of soil on the two sides, the fertility of the soil is increased through the fertilizer, and therefore the land improvement requirement is met, quantitative falling of the fertilizer is achieved through movement of the movable block during feeding, and the fertilizer is prevented from falling off. When the movable seat drives the movable block to control feeding, the fixed rod moves up and down in the feeding pipe to extrude, push and crush the fertilizer, so that the fertilizer can conveniently fall down, and the influence caused by accumulation of the fertilizer at the feeding pipe is avoided.