1487 results about "Tillage" patented technology

The invention relates to the technical field of agricultural machinery, and discloses a straw returning strip rotary tillage, ridging and pressing device which comprises a lightweight connecting frame serving as an installation foundation of the device and integrally designed to be hollowed out; the laser radar is embedded in the front end of the lightweight connecting frame and is used for scanning the advancing direction and providing topographic data; according to the device, straw returning, rotary tillage, ditching, sowing and pressing are completed at a time, integrated operation is achieved, the time consumed by multiple times of land entering operation of a traditional agricultural machine is shortened, the efficiency is improved by 30%-40%, and through laser radar terrain scanning and sensor feedback, the working efficiency is improved by 30%-40%. The rotary tillage depth, the ditching depth and the pressing pressure are automatically adjusted, the manual intervention time is shortened, terrain self-adaption is achieved, and the device has the advantages of being high in practicability and capable of achieving terrain self-adaption.

The invention relates to the technical field of cultivated land supervision, in particular to a big data-based cultivated land utilization supervision system, which comprises a pattern spot remote sensing interpretation module, a pixel state aggregation module, a boundary mutation recognition module, a time sequence cultivation fluctuation analysis module and a response priority pattern output module. According to the method, a time sequence label grid set is established through spatial boundary analysis and pixel index extraction of remote sensing image spots, state labels are introduced to classify pixel tillage evolution, an image spot state evolution chain and path structure is constructed on the basis of spatial aggregation, and a continuous fluctuation area is extracted through sliding window analysis of planting behavior factors in the image spots. A co-occurrence block of boundary disturbance and behavior fluctuation is positioned in combination with a space overlapping relation, a response urgency index is constructed after multiple indexes such as state density, disturbance range and duration period are quantified, multi-dimensional judgment and intervention priority ranking of the farmland utilization abnormal area are achieved, and the identification precision and response efficiency of farmland utilization changes are effectively improved.

The invention discloses a power system energy management method and equipment based on hydrogen energy hybrid power, belongs to the technical field of energy management, and is used for solving the technical problems that the random load characteristic of field operation of an existing tractor is complex, and a hybrid power tractor is uneven in ploughing and sowing under the complex terrain operation working condition and the tillage state. The method comprises the following steps: collecting multi-modal data of a farmland environment; performing vehicle speed prediction processing on the tractor under related environment characterization to obtain a dynamic prediction vehicle speed of the tractor; carrying out rolling optimization processing on the dynamic prediction vehicle speed under related output power to obtain the driving demand power of the tractor; and superposing the driving required power and the pre-obtained tillage tool required power to obtain the total required power of the power system, decomposing the required power in a frequency domain according to a formulated variational mode decomposition rule, and endowing the required power to a driving power generation system formed by a fuel cell, a power cell, a hydrogen internal combustion engine and a generator.

The invention relates to the technical field of agricultural machinery, in particular to a crop layered fertilization intelligent precision plowing and sowing machine which comprises a rack, a walking driving part is arranged on the rack, a sowing machine is arranged on one side of the rack, a bearing frame is fixedly connected to the side, away from the sowing machine, of the rack, and a plurality of rotary tillage assemblies are transversely arranged on the bearing frame at equal intervals; a plurality of fertilization assemblies capable of vertically sliding are arranged at the bottom of the side, close to the rack, of the bearing frame, transmission assemblies are arranged between the soil retaining assemblies and the fertilization assemblies, and the transmission assemblies are used for reducing the impact force of the soil particles raised by the rotary tillage assemblies to the soil retaining assemblies and reducing the impact force of the soil particles raised by the rotary tillage assemblies to the fertilization assemblies. Transmission is converted into driving force for the height of the fertilizing assembly. The soil texture is fed back through the impact force of soil particles raised by rotary tillage and soil disturbance, so that the layered fertilization depth is adjusted in a linkage manner, and the defects of poor adaptability between the fixed layered fertilization depth and different soil properties and soil nutrient loss in traditional tillage and sowing are overcome.

The invention discloses a soil structure intelligent improvement method and system, and particularly relates to the technical field of soil structure improvement. The method comprises the following steps: constructing a basic data set by collecting original soil sample data of a target cultivated land area, and reconstructing a soil structure state map by adopting a multi-dimensional feature mapping model after standardization and normalization processing; key structure deterioration indexes influencing the farming performance are extracted through structure pattern recognition; establishing a structure improvement adaptation model based on the key structure deterioration indexes and the crop root zone environment demand parameters, and determining an adaptation weight relation matrix; matching the soil structure improvement measures according to the adaptive weight relation matrix to form a soil improvement strategy; and applying the soil improvement strategy to the target cultivated land area, and updating the structure improvement adaptive model to realize continuous improvement of the soil structure of the target cultivated land area. And the soil structure state can be accurately evaluated, and differentiated and intelligent soil improvement strategy making and implementation can be realized.

The utility model discloses a field cultivation platform, which belongs to the technical field of cultivation equipment and comprises a work platform, a steering support mechanism and the like, and a cross beam of the work platform is a steel pipe and is fixedly connected with a beam frame and an end plate; the steering supporting mechanism comprises a rotating drum, an upper seat body, a lower seat body, a swing arm and a wheel set; through cooperative control of the first telescopic cylinder, the second telescopic cylinder and the third telescopic cylinder, the functions of height adjustment, flexible steering and off-ground steering assisting are achieved; an end plate is provided with an adjusting hole to adjust the terrain clearance of the platform, the stability is enhanced through the swing arm structure design, and the second telescopic cylinder expands the steering angle of the wheel set through a folding arm structure; the beam is of a sealed structure to form a hydraulic oil cavity, space is saved, and maintenance frequency is low. The farmland cultivation platform is flexible in steering, suitable for farmland operation in complex terrains and capable of efficiently completing tasks such as cultivation and transition, and adaptability and operation efficiency are greatly improved.

The invention discloses a farmland furrow three-dimensional point cloud data correction method and system based on a laser radar, and relates to the technical field of three-dimensional image processing based on the laser radar, in particular to a three-dimensional image geometric correction technology. The problems that original point cloud data directly obtained under the dynamic operation condition of an existing agricultural machine has geometric distortion, and the shape of a furrow cannot be truly reflected are solved; meanwhile, the problems that furrow quality evaluation seriously depends on low-efficiency manual means, the adaptability of an existing automatic technical scheme to an unstructured field environment is insufficient, and robust, real-time and high-precision perception of a real three-dimensional shape of a furrow cannot be achieved are solved. According to the method, dynamic tilt correction is carried out through real-time acquisition of point cloud and agricultural machine attitude information, boundary feature points are extracted, boundary lines are fitted, and a three-dimensional point cloud set of a single furrow is reconstructed by fusing a self-adaptive clustering algorithm of spatial prior. The method is suitable for the fields of farmland tillage and soil preparation quality detection, precision agricultural management, agricultural machinery intelligent operation and the like under the dynamic operation condition of agricultural machinery.

The invention relates to the technical field of soil improvement, and discloses a sandy grainfield soil organic matter quality improvement and increment method which comprises the following steps: comprehensively detecting soil, preparing an improvement material according to a comprehensive detection result, and deeply ploughing and returning the soil to the field; planting multifunctional intercrops, and crushing, turning and pressing the multifunctional intercrops into a soil layer to perform in-situ green manure returning from the full-bloom stage to the initial pod stage of the multifunctional intercrops; a polymeric organic-inorganic composite conditioner is applied; applying water, fertilizer and bacteria integrated regulation and control based on micro-spray irrigation; and high-stubble no-tillage straw covering and annual monitoring are implemented. According to the method, the organic matter, porosity and the like of the soil can be remarkably improved, and the ecological environment of the soil is remarkably improved.

The invention relates to the technical field of soil fertilization, in particular to a plain area dry farmland thick and fertile plough layer construction and productivity improvement method which comprises the following steps: in the first year, after corn is harvested, smashing straws, turning and burying the straws and returning the straws to the field, and in the next year, performing soil preparation and sowing by adopting flat-planting wide-narrow-row planting or ridge-planting uniform-row planting; in the second year, after the corn is harvested, the whole straw or smashed straw covers and returns to the field, straw row-collecting no-tillage sowing is carried out in the next year, and flat-cropping wide-narrow row planting is adopted for sowing; in the third year, after the corn is harvested, the whole straw or smashed straw covers and returns to the field, straw row-collecting no-tillage sowing is carried out in the next year, and flat-cropping wide-narrow row planting is adopted for sowing. Through the implementation of the technical method, the thickness of a plough layer of the dry farmland in the plain area is increased by 13-15 cm, the nitrogen fertilizer utilization rate is increased by 10%-15%, and the soil fertility level is increased by 0.5-1 grade.

The invention relates to the technical field of crop straw treatment and soil improvement, in particular to a rice straw returning method for improving soil fertility, which mainly comprises the following steps: crushing rice straws, soaking with a sodium hydroxide solution, and drying; then selecting specific strains, mixing and fermenting to prepare a microbial agent; preparing a composite additive in proportion; within 1-2 days after the rice is harvested, the pretreated straw, the microbial agent and the composite additive are applied to the field, deep ploughing is conducted, and irrigation is conducted; and finally, performing rotary tillage and soil preparation after straw decomposition, and monitoring and adjusting the pH value of the soil when next-stubble crops are planted. According to the method, straw is pretreated, lignin is destroyed through a sodium hydroxide solution, the particle size is accurately controlled, drying is conducted in cooperation, the microbial decomposition efficiency is improved, straw and soil are fully mixed through accurate ploughing in the field, decomposition is accelerated into nutrients, the straw can be powerfully decomposed through a microbial agent, and the soil micro-ecology is improved; the composite additive supplements various nutrients and enhances the water and fertilizer retention capability of soil.

The present application provides a kind of active helical pushing type gap straw cleaning wheel for straw returning, including active blade rotating shaft, right helical gap blade group and left helical gap blade group, and gap blade group includes multiple helical gap blades.The intersection of right helical gap blade and left helical gap blade is fixed together, and symmetric to each other.Gap blade group is fixed with active blade rotating shaft, and helical blade contacts soil during operation, and pushes straw on soil to both sides, and the size of helical gap blade outer diameter and the rotating speed of active blade rotating shaft are changed to improve the returning efficiency of straw.The gap depth of helical gap blade is consistent and staggered, to improve the quality of sowing belt straw cleaning, form a more clean sowing belt, and the soil driven by blade can flow out of the gap to reduce the amount of soil.The present application efficiently cleans the straw on sowing belt under the premise of minimizing the amount of soil, improves the quality of no-tillage seeding, and is beneficial to crop yield increase.

The invention discloses a soil flame sterilization method and device. The sterilization method comprises the steps that the rotary tillage speed and the rotary tillage depth of rotary tillage operation and the temperature and the humidity of operation soil are obtained in real time; performing a layered disinfection strategy on the operation soil based on the rotary tillage depth, and dynamically adjusting combustion parameters of sterilization flame based on the collected temperature, humidity and rotary tillage speed of the operation soil; wherein the layered disinfection strategy is that the combustion mode of sterilization flame is dynamically adjusted according to the rotary tillage depth. According to the method, the rotary tillage speed and the rotary tillage depth are collected in real time, sterilization layers are dynamically divided in combination with the rotary tillage depth, a layered disinfection strategy is carried out on operation soil, the temperature and humidity parameters of the soil are collected in real time, and the combustion temperature, duration and frequency are adjusted in real time through a closed-loop control algorithm; according to pathogen distribution characteristics and soil structure differences of soil at different depths, precise and efficient sterilization and deinsectization are achieved, and meanwhile energy waste and ecological damage are reduced.

The present invention discloses a soybean straw and forage grass-based soil fertility synergistic improvement device, and relates to the technical field of fertilization, the soybean straw and forage grass-based soil fertility synergistic improvement device comprises: a moving mechanism, one side of which is detachably provided with a carrier plate; the side, away from the moving mechanism, of the deflection plate is hinged to the carrier plate, and a first telescopic rod is hinged between the other end of the deflection plate and the carrier plate; the plowshare assembly is arranged on the side, close to the moving mechanism, of the deflection plate; the shallow layer rotary tillage assembly is arranged on the side, away from the moving mechanism, of the deflection plate; the first feeding assembly is arranged on the carrying plate and located between the shallow layer rotary tillage assembly and the plowshare assembly, and the device can give consideration to both the deep layer and the surface layer of soil.

The invention discloses a semi-solid-state complex no-tillage dry direct seeding method for crop seeds. The no-tillage dry direct seeding method comprises the following steps: S1, keeping a water layer of 1cm-5cm in a ditch, and paving straws obtained by harvesting preceding crops on a ditch surface; S2, applying a base fertilizer on the ditch surface paved with the straws and cleaning the ditch; S3, seeding the crop seeds on the ditch surface, and mixing the crop seeds with semi-solid-state biomass materials, a compound fertilizer and a biopesticide before seeding before seeding seeds, wherein the mixing mass ratio is that the crop seeds to the semi-solid-state biomass materials to the biopesticide is (1-10) to (70-800) to (1-3), and the moisture content of the semi-solid-state biomass materials is 40%-80%; and S4, after seeding the seeds, keeping the ditch surface at a dry state for 3-7 days. According to the semi-solid-state complex no-tillage dry direct seeding method, tillage and combustion of winter crop straws are not carried out, a whole land of field immersing water is not used for irrigation and the water immerses after the seeding, and the biological benefits are obvious; the working energy consumption is reduced, stubbles are not killed by pesticides, haze is reduced and the irrigation water is reduced.

The invention relates to the technical field of rotary cultivators, in particular to a rotary cultivator with a residual film recycling function. Comprising a front wheel; first rotating shafts are fixedly connected to one sides of the two front wheels, second rotating shafts are fixedly connected to one sides of the two rear wheels, a recycling machine shell is jointly and rotationally connected between the two first rotating shafts and the two second rotating shafts, and a tillage machine is arranged on one side of the recycling machine shell. Through cooperation of a water pump, a second threaded rod, a spraying bin and a spray head, broken films on a screen mesh plate can be dissolved, soil blocks can be decomposed, the problem that a large amount of time is spent on sorting residual films and straw by workers in the follow-up process is solved, a first motor, an air pump, a second motor and the water pump are controlled through a controller, and the working efficiency is improved. Complex residual film recovery and soil treatment processes are integrated into a highly automatic and intelligent operation system, the soil humidity, the residual film density and the impurity content are monitored in real time through a sensor, the suction force of an air pump and the water pressure of a water pump are intelligently adjusted, and soil moisture loss and energy consumption are reduced to the maximum extent while it is ensured that residual films are efficiently recovered.

The invention discloses an agricultural tillage land preparation machine which comprises a tractor body and a driving wheel, a rotary tillage assembly used for conducting rotary tillage on the ground is fixedly connected to the rear portion of the tractor body through a suspension device capable of being rotationally adjusted, and bearing wheels capable of keeping tightly attached to the ground are arranged below the tractor body. The detection assembly is used for detecting whether the height difference between the driving wheel and the bearing wheel changes or not. According to the invention, the bearing wheel is attached to the ground and cooperates with the detection assembly to detect the height difference between the bearing wheel and the driving wheel, so that the rotary tillage assembly can adjust the rotary tillage depth according to the soil height or humidity change, and the height between the rotary tillage assembly and the ground is adjusted according to the height difference change between the driving wheel and the bearing wheel; the rotary tillage depth of the rotary tillage assembly on the land is kept consistent, and the situation that the fertilizer is too close to or too far away from the seeds, and consequently the seeds are poor in development or die is avoided.

The invention relates to a detachable rotary cultivator, and belongs to the technical field of rotary cultivators, the detachable rotary cultivator comprises a rotary tillage mechanism detachably connected to the exterior of a tractor, the rotary tillage mechanism is composed of a rack, side plates, a rotary tillage shaft and rotary tillage cutters, and a soil loosening device used for pre-loosening soil before rotary tillage is arranged outside the side plates and the rack; a compaction structure used for conducting compaction treatment on the ploughed soil is arranged outside the machine frame, and a driving mechanism used for operating the rotary tillage shaft, the soil loosening device and the compaction structure in a linkage mode is arranged outside the side plates. The soil loosening device comprises a hinge seat fixedly connected to the top of the rack and a swing arm hinged to the interior of the hinge seat. The machine has the advantages of high efficiency, energy conservation, environmental protection and the like, integrated operation of soil pre-loosening, rotary tillage, compaction and spraying treatment is realized through a mechanical linkage principle, the rotary tillage resistance is remarkably reduced, the service life of a blade is prolonged, the soil quality is optimized, and the operation efficiency is improved.

The invention discloses a hydraulic folding type ditching and rotary tillage all-in-one machine which comprises a frame panel, a left side plate, a right side plate, a left arm rod, a right arm rod, a supporting plate, a gearbox, a rotary tillage mechanism, a ground breaking mechanism and a ridging mechanism. The rotary tillage mechanism comprises a rotary tillage part and a driving part, and the two ends of the rotary tillage part are rotationally installed on the left side plate and the right side plate; the driving part comprises a gear speed change mechanism and a chain transmission mechanism, the gear speed change mechanism is installed in the gearbox, and the chain transmission mechanism enables the output end of the gear speed change mechanism to be in transmission connection with the input end of the rotary tillage part; the ground breaking mechanism comprises a ground breaking support, a first hydraulic oil cylinder, an overturning part and a ground breaking part. The ridging mechanism comprises a ridging support, a ridging arm, a rear beam, a second hydraulic oil cylinder and a ridging part. According to the machine, soil breaking, rotary tillage and ditching are integrated, the functions are increased, and the working efficiency is improved.

The invention relates to the technical field of tillage equipment, and discloses a direct-drive power system of a low-altitude rotary cultivator and a control method of the direct-drive power system. A data acquisition module of the system acquires environment and operation data in the operation process of the low-altitude rotary cultivator; the expected cultivation parameter generation module builds a cultivation adaptive adjustment model, and inputs the collected data into the model to obtain expected cultivation parameters; the initial-stage control signal module generates an initial-stage control signal of the direct-drive power system based on the expected cultivation parameters; the initial execution module executes an initial tillage action according to the initial control signal; the deviation collection module collects actual cultivation data after the initial cultivation action and calculates the deviation between the actual cultivation data and the expected cultivation parameters; the control correction module corrects the initial control signal based on the deviation and generates a final control signal. The system adapts to a complex farming environment through self-adaptive adjustment and dynamic correction, the farming quality and the equipment stability are improved, and the precise farming requirement is met.

A multi-source organic material fertilizing device relates to the technical field of soil improvement, and comprises a rack, a composite cultivation assembly and an organic material rapid mixing and crushing assembly, the right side of the rack is fixedly connected with a mounting rack, and both sides of the rack are fixedly connected with moving wheels. According to the application, through the composite cultivation assembly, the ploughing depth of a tilling cutter is adjusted by utilizing a hydraulic cylinder, a control panel ensures that the tilling cutter stably ascends and descends, a positioning sleeve limits the moving track of the tilling cutter, a rotary tillage sowing mechanism immediately crushes soil after the tilling cutter performs ploughing, and organic materials are uniformly mixed into deep soil through a rotating pipe and a crushing paddle; synchronous operation of ploughing, rotary tillage and mixing is achieved, the tedious process that multiple devices are needed and multiple times of field operation are needed in traditional step-by-step operation is avoided, operation time and human input are reduced, the overall operation efficiency is improved, cost is reduced, and meanwhile it is ensured that organic materials are evenly distributed in soil through one-time deep mixing.

The invention relates to the technical field of transplanting and planting, and discloses an integrated transplanting device for transplanting and planting, which comprises a support rack, one side of the top end of the support rack is fixedly connected with a support frame, the other side of the top end of the support rack is movably connected with a micro-tillage mechanism, and the middle part of the top end of the support rack is fixedly connected with a seedling storage tray. A transplanting mechanism is arranged at the bottom end of the seedling storage disc, the side face of the transplanting mechanism is movably connected with the side face of the supporting rack, and a drip irrigation mechanism is movably connected to the side, close to the micro-tillage mechanism, of the middle of the supporting rack. During transplanting planting, the two rotary harrows rotate to fill and level up uneven positions on the surface of a farmland, so that the land is smoother, the drip irrigation mechanism automatically lays a drip irrigation tape after the land is smoother, and a seedling throwing mechanism in the transplanting mechanism automatically conveys transplanted seedlings in a seedling storage tray into the seedling planting mechanism for planting work. According to the transplanting machine, integrated micro-tillage transplanting work is achieved, and the transplanting machine is an efficient transplanting machine integrating the micro-tillage function, the pipe laying function, the transplanting function, the soil covering function and the pressing function.

The invention belongs to the technical field of agricultural microbial agents, and relates to an agricultural liquid microbial agent preparation method and a microbial agent, the method comprises the following steps: mixing bacillus amyloliquefaciens and trichoderma reesei, and carrying out primary aerobic fermentation; mixing a product subjected to primary aerobic fermentation with lactobacillus acidophilus subjected to expanding culture, and carrying out secondary micro-aerobic fermentation; and carrying out membrane separation treatment on the product subjected to secondary microaerobic fermentation, and concentrating the bacterial liquid. According to the microbial agent, through the synergistic effect of multiple strains, the inhibition rate of soil-borne pathogenic bacteria is increased, the occurrence rate of crop rhizosphere diseases is reduced, and then the yield and quality of crops are synergistically optimized. High-activity flora is reserved through gradient fermentation and membrane separation technologies, the continuous colonization capacity of thalli in deep soil is maintained in combination with biochar, a long-term stable field protection barrier can still be formed through flora interaction even if mechanical turning is not needed, and therefore disease prevention and control are achieved under the no-tillage or minimal-tillage condition.

The invention provides a full-row-spacing strip tillage machine and a method for realizing full-row-spacing seeding. A full-row-spacing strip tillage machine comprises a machine frame, a subsoiler, a subsoiler base, a lower suspension, a grass poking wheel, an adjusting land wheel, an upper suspension, a main gear box, an oil tank, a radiator, a pressing roller transmission box, a hydraulic motor, a pressing roller cover plate, a pressing roller, a pressing roller support, a side transmission box, a side plate, an adjusting land wheel installation base, a transmission shaft, a strip tillage cutter roller, a strip tillage cutter, a strip tillage cutter shaft and a hydraulic pump. According to the strip tillage machine, the two small strip tillage belts are adopted, the small leisure belt is clamped between the two small strip tillage belts, a large strip tillage belt and a large leisure belt of a traditional strip tillage machine are replaced, a farmer can find the corresponding sowing position on the strip tillage belt from 400-700 in the ridge distance, the problems that the ridge distance of the farmer is not uniform, and sowing is difficult are solved flexibly, and a foundation is laid for wide popularization of strip tillage protective tillage. By means of the machine tool and the method, full-row-spacing strip tillage operation can be achieved, full-ridge-spacing seeding operation is achieved on the basis, the problems that farmers are different in ridge spacing and difficult in operation are solved, and wide-narrow-row protective tillage is more operable.

The invention discloses a self-adaptive adjustment strip tillage machine, and belongs to the technical field of agricultural machinery. The strip tillage machine comprises a rack assembly, and a subsoiler assembly, a strip tillage assembly, a pressing assembly and a hydraulic source assembly are arranged on the rack assembly; at least one subsoiler assembly is provided with a soil moisture content detection device, the signal output end of the soil moisture content detection device is connected with a controller, the pressing assembly comprises a pressing roller frame hinged to the rack assembly, a pressing roller is installed on the pressing roller frame, a hydraulic motor is connected to the pressing roller, and a hydraulic position adjusting assembly is connected between the pressing roller frame and the rack assembly. The output end of the controller is electrically connected with the hydraulic source assembly, and the hydraulic source assembly is in hydraulic connection with the hydraulic position adjusting assembly and the hydraulic motor. The soil moisture content detection device can automatically detect the water content of soil, converts the water content of the soil into an electric signal and transmits the electric signal to the controller, and the controller can adjust the pressing force of the pressing assembly and the rotating speed of the pressing roller according to the water content of the soil.

The invention relates to the field of agricultural planting, in particular to an inflatable water-injection air column type mist cultivation planting groove which comprises a planting groove body and X frames, a groove cover is installed on the upper end face of the planting groove body, groove holes are symmetrically formed in the upper end face of the groove cover in a front-back mode, a plurality of X frames are installed above the groove holes from left to right, and the X frames are connected through transverse rods. A vine climbing net is arranged at the inner side end of the X frame, a laser perforated water hose is arranged at the bottom in the planting groove body, and a liquid supply pipe is installed on the right side end face of the laser perforated water hose. And the phenomena that the black material absorbs heat in the sun, air pressure in the air column rises and explodes, and crop root growth is affected by too high temperature are avoided.

The invention provides an after-wheat cotton ridging precision direct seeding machine and a seeding method.The after-wheat cotton ridging precision direct seeding machine comprises a rack, a rotary tillage stubble cleaning assembly, a ridging assembly, a seeding assembly and a pressing assembly, the rack is provided with a machine head and a machine tail which are arranged in the length direction of the rack, the rotary tillage stubble cleaning assembly is arranged at the machine head and used for breaking soil and cutting off wheat stubbles, and the ridging assembly is arranged at the machine tail; the ridging assembly is located behind the rotary tillage stubble cleaning assembly and used for forming a ridge body on a land parcel subjected to rotary tillage, the sowing assembly is arranged behind the ridging assembly and used for sowing on the ridge body, and the pressing assembly is arranged behind the sowing assembly and used for conducting soil covering and pressing on the ridge body subjected to sowing. According to the after-wheat cotton ridging precision direct seeding machine provided by the embodiment of the invention, the rotary tillage stubble cleaning assembly, the ridging assembly, the seeding assembly and the pressing assembly are sequentially arranged in the length direction of the rack, so that integrated combined operation of the whole process from wheat stubble land treatment to cotton precision seeding is realized.

The invention discloses a multi-degree-of-freedom programmable deep scarification mechanism and a control method thereof, belongs to the technical field of agricultural machinery, and aims at solving the problems that an existing deep scarification machine tool is fixed in movement track, single in operation mode, lack of multi-dimensional space movement capacity and lack of an intelligent closed-loop control system and the like. The mechanism comprises an initial pitching adjusting mechanism, a transverse translation mechanism, an operation depth adjusting mechanism, a posture fine adjusting mechanism, a shovel body rotating mechanism and a control system, and all the mechanisms are in hierarchical connection to form a collaborative operation system. The initial pitching adjusting mechanism is connected with the transverse translation mechanism, and the operation depth adjusting mechanism is connected below the transverse translation mechanism and can adjust the mechanism position and the tilling depth; the posture fine adjustment mechanism is of a four-hydraulic-cylinder space parallel connection structure and can drive the subsoiler to achieve multi-dimensional posture adjustment in cooperation with the shovel body rotating mechanism. The operation mode of the subsoiler can be programmable and reconstructed, the subsoiler can adapt to a complex soil environment, the traction resistance is reduced, the soil crushing quality and the operation precision are improved, and support is provided for precision agriculture.

The invention relates to the technical field of agricultural machinery, in particular to a self-propelled multifunctional dry land leveler and an operation method, and the self-propelled multifunctional dry land leveler comprises a machine body, a tillage component, a soil taking component, a conveying component, a stock bin, a soil discharging component, a land leveling device and the like. The tilling part is arranged at the front end of the land leveler, so that the tilling depth can be controlled according to elevation data; the soil taking component and the conveying component are arranged, so that surface soil after cultivation can be collected to the feeding end of the conveying component, and the soil is further conveyed to the stock bin through the conveying component; a soil discharging part is arranged, and soil in the stock bin can be evenly spread to the ground lower than the datum plane according to elevation data; the rear end of the machine tool is also hooked / dragged with the leveling equipment, and the final leveling operation process can be realized according to the elevation data.

The invention belongs to the technical field of crop planting, and particularly relates to a wheat and corn two-season-in-one-year shallow-buried drip-irrigation water and fertilizer integrated planting method and equipment, and the method comprises the following steps: after corn is harvested, corn straws are crushed and returned to a field, and then rotary tillage and compaction are performed to crush soil; wheat is evenly sown in a wide range, drip irrigation belts are laid in the middles of wheat sowing widths, the width of the wheat sowing widths is 30-50 cm, and the width distance between the wheat sowing widths is 15-30 cm; performing field management on the wheat until the wheat is mature and then harvesting; after the wheat is harvested, the corn is sown at intervals, the corn is sown on the two sides of the sowing width of the sown wheat, and wide and narrow rows are formed between the corn; performing field management on the corn until the corn is mature and then harvesting; the method can shorten the distance between the wheat seeds and the drip irrigation zone and between the corn seeds and the drip irrigation zone, is short in watering time after sowing, is beneficial to seedling emergence, seedling alignment and seedling strengthening of the seeds, and is beneficial to improving the crop yield.

According to the rice cultivation seedbed field surface terrain and cultivation depth integrated measurement method and the rice cultivation seedbed preparation equipment, a rotary cultivator serves as a measurement platform, and a double-antenna GNSS and an IMU are installed on a rack and a dragging plate respectively so as to measure the course angle, the pitch angle and the roll angle of the cultivator and the rotation angle of the dragging plate relative to the rack; establishing a vehicle body coordinate system; establishing a spatial position vector of the deepest soil cutting point of the rotating blade and a carriage profiling point under a vehicle body coordinate system; during rotary tillage operation, a homogeneous coordinate transformation method is adopted to synchronously measure three-dimensional coordinates of the deepest soil cutting point and the profiling point under coordinates of the east, north and sky, and a deepest soil cutting point set and a profiling point set are constructed; combining the two point sets, extracting plane coordinates of the farmland boundary, and arranging plane grid points; estimating the field terrain height of each plane grid point by using the profiling point set; and estimating the tilling bottom layer terrain height of each plane grid point by using the deepest soil point set, and calculating the tilling depth of each grid point. The invention has high efficiency and accuracy, and belongs to the mechanical agricultural equipment manufacturing technology.