1962 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 relates to the field of agricultural machinery, in particular to a multifunctional perennial root sugarcane management machine which comprises a rack, a gearbox, a stumping mechanism, a deep scarification mechanism, a rotary tillage ridge breaking system, a fertilization system, a pesticide application system and a fertilizer guide pipe. And a deep scarification mechanism and a rotary tillage ridge-breaking system which are symmetrical left and right, and a fertilizer application system and a pesticide application system which are symmetrical left and right are arranged behind the stumping mechanism. During operation, the machine is suspended, dragged and driven by a tractor, and a power output shaft of the tractor is connected with a power input shaft in front of the gearbox through a transmission shaft, so that a cutter head of the stumping mechanism, left and right rotary tillage cutter groups of the rotary tillage and ridge breaking system, the fertilization system and the pesticide application system are driven to perform stumping, ridge breaking and pocket loosening, fertilization and pesticide application; and meanwhile, the subsoiling mechanism is used for breaking and subsoiling soil between sugarcane rows, so that operations such as ridge breaking, pocket loosening, stumping, subsoiling, fertilization and pesticide application on perennial root sugarcanes are realized.

The invention provides an automatic navigation and positioning method for agricultural equipment, and the method comprises the steps: obtaining the root system residue distribution data of a previous crop and the soil hardening difference, building a correlation model of the crop root system residue distribution and the soil hardening difference, and determining a target tillage depth plan for the sowing of a next crop according to the correlation model; the operation track and depth parameters meeting the soil texture improvement requirements are applied to an automatic navigation and positioning system of agricultural equipment, and the operation process of the agricultural equipment is automatically controlled and dynamically adjusted; and based on the adjusted operation track and depth parameters, analyzing the long-term influence of an automatic navigation and positioning system of agricultural equipment on soil texture improvement in different growing seasons by tracking soil quality indexes, crop yields and root system distribution.

The present invention provides a deep tillage, pulverizing and soil loosening machine, which comprises a front traction device, a connecting mechanism, a rear floating fuel tank, a traveling mechanism and a deep tillage, pulverizing and soil loosening device. The front traction device is connected to the rear floating fuel tank through the connecting mechanism. The traveling mechanism is respectively hinged to both sides of the front traction device and the rear floating device. The deep tillage, pulverizing and soil loosening device is hinged to one side of the rear floating fuel tank. The connecting mechanism includes a front connecting block, a rear connecting block, a spherical plain bearing and a hydraulic cylinder connecting mechanism. The present invention has the advantages of better shock absorption effect, not easy to jam, and convenient for operators to construct.

The invention discloses an alpine grassland no-tillage restoration suitability evaluation method based on a 3S technology, and particularly relates to the technical field of data processing. Through the combination of multi-temporal satellite images and global positioning system data, the spatial dynamic change of the frozen soil layer of the alpine grassland and the long-term influence of the spatial dynamic change on vegetation growth are accurately obtained, and a frozen soil layer depth and distribution dynamic monitoring model is constructed based on multi-source remote sensing data and historical weather and soil temperature and humidity data. Analyzing the influence of freezing and thawing alternation on plant root growth; establishing a vegetation recovery potential index and a soil moisture supply index by combining the vegetation coverage and the dynamic change of the frozen soil layer, and generating a suitability partition map through a GIS spatial analysis and analytic hierarchy process; through field sampling and long-term vegetation growth monitoring data verification and model optimization, the accuracy of no-tillage restoration suitability evaluation is remarkably improved, and scientific and accurate decision support is provided for ecological restoration of alpine grassland.

The invention discloses a method for improving pasture productivity by optimizing a mixed sowing proportion and a sowing mode, which comprises the following steps of: performing rotary tillage on soil and applying humus before freezing in winter, turning over the soil and applying a base fertilizer after reviving in spring, then selecting leguminous plants and gramineous plants according to a weight ratio of 3: 7, respectively and uniformly mixing seeds of two functional groups, the method comprises the following steps: ditching, ridging and sowing gramineous plant seeds in line, sowing leguminous plant seeds in holes between two rows of gramineous plants 20-30 days after the gramineous plant seeds emerge, carrying out topdressing and pest and weed damage management after sowing, mowing the overground part of the grassland at the last stage of plant growth, and controlling the stubble height of the leguminous plants and the gramineous plants. By accurately optimizing the mixed sowing proportion and sowing strategy of leguminous and gramineous pasture and combining the complementarity of plant functional groups in ecological niche (time and space), an innovative pasture mixed sowing method is provided, and theoretical support and technical guarantee are provided for efficient and sustainable development of animal husbandry production.

The invention belongs to the technical field of intelligent agricultural equipment, and discloses an intelligent monitoring control method for mini-tiller corn seeding. During seeding operation, the speed acquisition module acquires the operation speed and determines the seeding rotation speed and the fertilizer rotation speed, the seeding system and the fertilizer system perform seeding and fertilizer application operation, and the seeding monitoring module monitors the seed falling position and feeds back the real-time operation plant spacing; the seed and fertilizer amount monitoring system feeds back the residual amount of seed and fertilizer in real time, the operation state monitoring system monitors the pressure of an air path pipeline, the pressure of a press wheel and the sowing depth in real time, and the sowing depth regulation and control system performs active profiling; after the central control system comprehensively processes the information, the data are transmitted to the man-machine interaction system to be displayed and uploaded to the network storage platform for operation information recording; and performing multi-dimensional regulation and control by using the regulation and control model during operation of the seeder. According to the invention, real-time and accurate monitoring of the whole process of sowing operation can be realized, and the method plays an important role in improvement of transparency and intelligent level of mini-tillage corn sowing operation.

The invention discloses a double-roller cooperative equal-seeding-depth rotary tillage, seeding and ditching all-in-one machine which comprises a double-shaft rotary cultivator, a traction hanging frame, a double-roller cooperative device, a 7-shaped knife roller and a transmission mechanism, the traction hanging frame is connected with the upper end of the double-shaft rotary cultivator, and the double-roller cooperative device is connected with the rear end of the traction hanging frame through a connecting rod and a hydraulic rod; the 7-shaped knife roller is connected with the rear end of the double-roller cooperation device, the transmission mechanism transmits power of a tractor to the double-shaft rotary cultivator, the double-roller cooperation device and the 7-shaped knife roller, the wrapping performance of soil on seeds is guaranteed, roots of the seeds can be attached to the soil in the germination period, in addition, the seeds are sown on the concave face, the sowing cavitation performance is good, and the sowing efficiency is high. The sowing depth is consistent, and automatic operation of agricultural automatic mechanical equipment in ridges is facilitated.

The invention discloses pelletized seed sowing equipment for micro soil dressing of saline-alkali soil. Comprising a rack, a furrowing blade, a press wheel, a material mixing piston pipe, a micro soil dressing storage box, a seed storage box, a first telescopic cylinder, a sliding sheet, a sliding rail, a material falling hole, a seed sticking hole, a sealing part, a seed supplementing box, a one-way valve, a main piston, an auxiliary piston, an auxiliary pipe, a second telescopic cylinder, a third telescopic cylinder, a connecting pipeline, a material outlet, a through hole, a fixing plate and a fixing support. A novel seed embedding and seed discharging structure is designed, micro soil dressing is pushed by the piston to enter the seed storage box for seed sticking, the requirement for seed characteristics is greatly reduced, and compared with a traditional air suction type seeder and a no-tillage seeder, the seeder is not limited by conditions such as the size, the shape, the density and the germination rate of seeds any more, and the seeding efficiency is greatly improved. Therefore, it is ensured that the seeds can be uniformly and moderately embedded, and the optimized embedding mode not only provides an ideal germination environment for the seeds, but also significantly improves the germination rate of the seeds.

The invention discloses a clamping jaw mechanism of an intelligent pomegranate tree sprout tillers removing device, and belongs to the technical field of agricultural machinery. The mechanism comprises a robot connecting rod, a base, a clamping jaw driving mechanism and a dynamic clamping mechanism. The dynamic clamping mechanism is composed of an elastic cloth belt and a rotatable rubber roller and is rapidly installed on a clamping jaw vertical rod through a lock catch, the elastic cloth belt can stretch out and draw back along with the diameter change of a trunk, the rubber roller rolls to be attached to the surface of the trunk, and bark is prevented from being damaged. The clamping jaw driving mechanism adopts a double-shaft-extension electric cylinder to drive clamping jaws to open and close, and precise clamping is achieved in cooperation with servo torque control. The clamping jaw solves the problems that a traditional clamping jaw is high in trunk damage risk, poor in adaptability and insufficient in terrain compatibility, has the advantages of being high in protectiveness, outstanding in dynamic adaptability, convenient and fast to maintain and the like, and meets the efficient automation requirement of pomegranate orchard sprout tillers removing operation.

The utility model discloses a multifunctional electric farming machine which comprises a tractor, a rotary tillage mechanism and a lifting bracket mechanism arranged at the rear end of the tractor and used for lifting the rotary tillage mechanism. The upper supporting rod and the lower supporting rod are used for being connected with the supporting connecting frame in a buckled mode, and the left connecting plate and the right connecting plate are arranged at the two ends of the upper supporting rod and the two ends of the lower supporting rod in a sleeving mode and used for being connected with the lifting bracket mechanism in a pivoted mode. An upper buckling groove and a lower buckling groove which can be buckled to the upper supporting rod and the lower supporting rod are formed in the upper end and the lower end of the two sides of the supporting connecting frame correspondingly, and a bolt set or a plug pin penetrates through the supporting connecting frame to be locked and fixed to the left connecting plate and the right connecting plate.

The clay grain seeding machine comprises a rotary tillage system and a seeding and pressing system which are arranged front and back; a plurality of convex rings coaxial with the central axis of the soil pressing roller are transversely arranged on the outer wall of the soil pressing roller at intervals; a soil covering device is arranged between the seeding system and the pressing system; a feather-shaped protective cover is arranged on the outer side of the soil covering device, and a plurality of soft skins are overlapped end to end to form a protective cover which is provided with a downward opening, surrounds the periphery of the soil covering cutter head and has a semicircular longitudinal section; the pressing roller is adjusted through the pressing pressure adjusting system; the pressing pressure adjusting system comprises two hydraulic adjusting units; the hydraulic adjusting unit comprises a hydraulic cylinder with a longitudinal central axis, and the hydraulic cylinder stretches out and draws back through a piston rod and can drive the pressing roller to rotate around the center where the front end of the pressing roller connecting side plate is hinged to the middle lower portion of the rear portion of the seeding pressing system side plate; a piston rod of the hydraulic cylinder is provided with two springs. The ditching quality is remarkably improved, the seeding quality is remarkably improved through soil covering of the spiral blades and floating pressing, and the device is particularly suitable for clay soil operation.

The invention discloses a rotary-burying-depth-adjustable straw rotary tillage returning machine, and relates to the technical field of straw rotary tillage returning machines, the rotary-burying-depth-adjustable straw rotary tillage returning machine comprises a second electric roll shaft, and a circular chuck is arranged on the outer surface of the second electric roll shaft; one side of the circular chuck penetrates through and is in threaded connection with a fastening bolt, one side of the circular chuck is provided with a square sliding hole, the inner wall of the square sliding hole is in sliding connection with a built-in sliding rod, and one end of the built-in sliding rod is fixedly connected with a rotary blade. The distance between a rotary blade and a second electric roller shaft, namely the rotary burying depth during working, is adjusted through a built-in sliding rod, the situation that due to the fact that part of soil is too loose, straw is difficult to be buried into the soil during ploughing, and the straw returning effect is affected is prevented, and when inclined thorn strips move, the inner area of a square sliding hole is cleaned in a penetrating mode; and the situation that excessive sundries are gradually accumulated in the square sliding holes to cause blockage and affect sliding adjustment of the built-in sliding rod after straw is subjected to rotary tillage for a long time is prevented.

The invention relates to the technical field of seedling transplanting equipment, and provides a ridging mulch applicator convenient for high-quality planting, comprising a frame which moves on a ridge by means of an external power source; the rotary tillage unit is rotationally arranged relative to the rack, rotates by means of an external power source and is used for performing rotary tillage and soil loosening on the ridge land; the ridge fixing piece is arranged on the rack, the ridge fixing piece is located behind the rotary tillage unit when viewed in the moving direction of the rack, and after the rack moves, the ridge fixing piece forms an inserting table used for inserting seedlings on the ridge land; the soil guide part is arranged on the rack and located above the ridge fixing part, and the soil guide part is used for conveying soil raised by the rotary tillage unit in a rotary tillage mode to the position above the ridge fixing part; according to the technical scheme, the problem that potato seedlings are dead and lack of seedlings when the broken opening of a mulching film is not blocked or blocked tightly during seedling insertion in the prior art is solved.

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

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 provides a grass winding prevention device for a rotary cultivator, belongs to the technical field of agricultural machinery, and aims to solve the problem that when an existing rotary cultivator performs rotary tillage operation on land, weeds or platycodon grandiflorum and the like are easily wound on the surface of a rotating shaft, and normal operation of the rotary cultivator is affected. Comprising a rotary cultivator body. The connecting frame is in bolted connection with the upper part of the rotary cultivator main body; the driving mechanism is in bolted connection with the interior of the rotary cultivator main body; the rotary tillage cutter shaft is fixedly mounted in the driving mechanism, and the rotary tillage cutter shaft is rotationally connected to the interior of the rotary cultivator main body; a plurality of groups of rotary tillage blades are arranged, and the plurality of groups of rotary tillage blades are in bolted connection with the interior of the rotary tillage cutter shaft; the connecting and cleaning assembly is arranged in the rotary tillage cutter shaft; and the cutter shaft cleaning assembly is arranged in the rotary tillage cutter shaft. The device has the advantages of being convenient to maintain, capable of avoiding grass winding, convenient to use and the like.

The utility model relates to the technical field of hydraulic engineering construction machinery, and discloses a canal trench ditching device, which comprises a chassis structure, a trench digging mechanism, a trench digging mechanism, a trench digging mechanism, a trench digging mechanism, a trench digging mechanism and a trench digging mechanism, wherein the chassis structure is used for realizing operation on soft and hard alternate soil layers or undulating surfaces; the rotary tillage structure is mounted at the bottom of the chassis structure and used for crushing hard soil on the surface layer and removing weeds and broken stones to form a uniform and loose plough layer; the ditching structure is mounted at the bottom of the chassis structure, is positioned behind the rotary tillage structure and is used for realizing excavation of grooves with different depths; and the tamping structure is installed at the bottom of the chassis structure and located behind the ditching structure, comprises a soil shifting shovel for leveling soil discharged from the two sides of the ditching structure, and tamps the bottom of the groove and the side slope through vibration compaction of a plane tamping plate and a slope tamping plate. By integrating the self-adaptive terrain adjusting system and the combined type grooving mechanism, topographic relief and soil states can be monitored in real time, the ditching depth, gradient and section form can be dynamically adjusted, and one-time forming of a groove is ensured.

The invention discloses a large-scale planting rotary tillage fertilizer applicator, and relates to the technical field of agricultural tools, the large-scale planting rotary tillage fertilizer applicator comprises a rack, a transmission box is mounted at the upper end of the rack, transmission shafts are mounted at two ends of the transmission box, protection plates are mounted at two ends of the rack, and a driving shaft is rotatably mounted between the two protection plates; a plurality of rotary tillage blades are detachably mounted on the surface of the driving shaft, a stone crushing box is mounted at the lower end of the rack in front of the driving shaft, a partition plate is mounted in the stone crushing box, a crushing assembly is mounted between the partition plate and the stone crushing box, a plurality of arc-shaped sieve plates are mounted at the front end of the partition plate at equal intervals, and a stirring assembly is mounted in the stone crushing box above the arc-shaped sieve plates. Soil is turned over for the first time by arranging the soil turning roller, stone blocks are stirred into the stone crushing box through the arc-shaped sieve plate by using the stirring assembly, the two stone crushing rollers in the stone crushing box crush the stone blocks, the crushed stone blocks fall on the soil to change the soil structure, and the situation that the rotary tillage blades are abraded by large stone blocks is avoided.

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

The invention relates to the technical field of agricultural machinery, and discloses a one-time deep ploughing four-wheel-drive mini-tiller applied to various working environments, which comprises a power assembly, a front gearbox, a rear gearbox, a front axle and a rear axle, the front gearbox drives the front axle, the rear gearbox drives the rear axle, and the front axle and the rear axle are respectively and detachably connected with a walking wheel or a ploughing tool. The power output end of the power assembly is connected with a power transmission part, and the front gearbox and the rear gearbox are mutually independent and are in independent transmission connection with the power assembly through the power transmission part; the power transmission part is composed of a first transmission part and a second transmission part, the first transmission part is hinged to the second transmission part, the first transmission part is in transmission connection with the front gearbox, and the second transmission part is in transmission connection with the rear gearbox; the front gearbox and the rear gearbox have the same number of gears, switching of a four-drive walking mode, a front-drive tillage mode, a rear-drive tillage mode or a double-drive walking mode is achieved by switching the gears of the front gearbox and the rear gearbox, and the deep ploughing quality and efficiency are improved.

The utility model relates to the technical field of tractors, in particular to a small and medium power bowing steering tractor which comprises a chassis, a front rack assembly, a front driving wheel, a rear driving wheel, a steering system assembly, a suspension assembly and a hydraulic lifting pipeline system assembly. The chassis comprises a tail end assembly, and an engine and accessory assembly thereof, a front box and waist bending and twisting assembly and a rear box assembly which are sequentially connected from front to back; the front box and waist-bending and waist-twisting assembly comprises a front box, a waist-bending shell, a waist-bending pin shaft, a waist-twisting outer shell, a waist-twisting inner shell, a reversing shell, a first bolt, a lining, a clamping spring, a second bolt, a third bolt, a clamping spring protection cover and a fourth bolt. The multifunctional tractor can be used for operation in hilly and mountainous areas, integrates common operations such as field cultivation, orchard operation and road transportation, is good in maneuverability, high in safety, high in stability and high in adaptability, and can realize multiple functions of the tractor.

The invention discloses a flame straw carbonization and rotary burying returning-to-field all-in-one machine which comprises a power mechanism and a rack, a straw carbonization mechanism for providing rapid incineration and carbonization flames is arranged on the front portion of a cavity of the rack, and a rotary burying returning-to-field mechanism capable of burying straw incineration and carbonization products into soil in a rotary mode is arranged on the rear portion of the cavity of the rack. A carbonization area cover plate of the straw carbonization mechanism and side protection plates on the two sides of the carbonization area cover plate are combined to form a relatively-closed straw carbonization area with an opening in the front side, and a rotary tillage cover plate of the rotary burying and returning mechanism and side protection plates on the two sides of the rotary tillage and returning mechanism are combined to form a relatively-closed rotary tillage and returning area. The smoke filtering mechanism can extract smoke entering the space between the straw carbonization area and the rotary tillage field returning area after straw incineration and carbonization and smoke generated when straw incineration and carbonization products on the rear side of the rotary tillage field returning area are mixed into soil, and the smoke and the smoke are discharged after being filtered. According to the all-in-one machine, straw can be rapidly carbonized and returned to the field after crops are harvested, the soil quality can be improved, the breeding risk of plant diseases and insect pests can be reduced, the sustainability of agricultural production can be effectively improved, and environment friendliness and high efficiency are achieved.