897results about "Tilling equipments" patented technology

Methods, systems, and computer program products for implementing a soil analysis process. A set of soil data may be received at a device from one or more soil sensors. The one or more soil sensors may be coupled to a portion of an agricultural machine configured to be in contact with soil. The device may be configured to analyze soil when a portion of the one or more soil sensors is in contact with the soil. Spectral data and soil conductivity and / or capacitance data may be obtained based on the collected set of soil data. Analyzed soil data may be determined based on the spectral data and soil conductivity and / or capacitance data. The analyzed soil data may be provided to a user device configured to display a visual representation of at least part of the analyzed soil data.

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 utility model discloses a ditching and fertilizing device for planting, which comprises a mounting plate, a fertilizing mechanism is arranged at the bottom of the mounting plate, supporting legs are arranged at the bottom of the mounting plate, a soil covering mechanism is arranged on the inner side of the supporting leg on one side, and a crushing mechanism is arranged at the bottom end of the supporting leg on the other side. And the crushing mechanism and the fertilizing mechanism are provided with a transmission mechanism. According to the utility model, the crushing mechanism is arranged and can be linked through the fertilization mechanism and the transmission mechanism, and the crushing wheel is driven to perform pre-crushing treatment on the ground, so that the adjustable ditching structure performs ditching operation on the land, and the pre-crushing treatment is adopted, so that the soil is looser; furthermore, the adjustable ditching structure can move more quickly for ditching, the ditching efficiency is greatly improved, meanwhile, through belt transmission linkage, only one group of driving mechanism is needed, the equipment cost is saved, the electric energy is saved, and the use efficiency of the adjustable ditching structure is higher.

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 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.

A combined seeder for full straw mulching condition operation includes a frame, where a seeding and fertilizing mechanism is arranged above the frame, a pre-sowing pressing mechanism is arranged below the frame, a mechanical transmission mechanism is arranged in the middle of the frame, the two ends of the mechanical transmission mechanism are respectively connected with the furrowing mechanism and the vertical rotary tillage mechanism, the vertical rotary tillage mechanism is arranged in front of the frame, and the furrowing mechanism and a seeding profiling mechanism are arranged behind the frame. Th combined seeder for full straw mulching condition operation can complete the strip vertical rotation, crushed soil leveling, side deep fertilization, pre-sowing suppression, strip monomer profiling sowing in clean areas, and other processes in one operation under the full straw mulching condition, which greatly improves the operation efficiency and alleviates the problem of the tension of crop rotation.

The utility model relates to the technical field of agricultural machinery, and discloses a four-wheel-drive rotary cultivator capable of improving operation stability, which comprises a power assembly, a front gearbox, a rear gearbox, a front wheel shaft and a rear wheel shaft, the front wheel shaft and the rear wheel shaft are respectively and detachably connected with a walking wheel or a cultivation tool, and the power output end of the power assembly is connected with a power transmission part. 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 front gearbox drives the front axle, and the rear gearbox drives the rear axle. Through independent driving of the front wheel and the rear wheel, the operation stability of the rotary cultivator in different farmland environments is improved, and the soil plowing quality is guaranteed.

The invention discloses an agricultural deep ploughing and fertilization integrated device and a use method thereof, and relates to the technical field of deep ploughing and fertilization. According to the agricultural deep ploughing and fertilizing integrated device and the using method thereof, the agricultural deep ploughing and fertilizing integrated device comprises a moving table main body, a rotary blade driven by a motor is assembled in the moving table main body, and a storage box is assembled at the top of the moving table main body; and the spraying pipeline is rotationally connected to the side face of the moving table main body. According to the agricultural deep ploughing and fertilizing integrated device and the using method thereof, the moving table body is driven to move, meanwhile, a rotary tillage blade driven by a motor is started, rotary tillage can be conducted on land, and through cooperation of a cam, a first hydraulic bin, a first stress rod, a first transmission rod, a first spring, a connecting rod, a stress plate and a power rod, rotary tillage can be conducted; the liquid fertilizer can be repeatedly sprayed to the land through the spraying pipeline and the nozzles, so that the land is completely covered by the liquid fertilizer, and the fertilizing effect of the device is improved.

The invention provides a bionic stubble cutting knife, a bionic stubble cutting knife device and a design method, and relates to the technical field of agricultural machinery, the bionic stubble cutting knife comprises a knife disc base body and a plurality of knife teeth uniformly distributed along the circumference of the knife disc base body in the same direction, each knife tooth comprises a main cutting edge, a tooth tip, a knife back and a tooth root reinforcing rib which are connected in sequence, and the angle of the main cutting edge imitates the upper jaw of a earwig. The outer contour curve of the cutter tooth is formed by sequentially connecting a main cutting edge curve, a tooth top curve, a cutter back curve and a tooth root reinforcing rib curve in a transition mode, and the connecting points of the curves are tangent. The bionic stubble cutting knife device comprises a bionic stubble cutting knife, a connecting structure, a vibration reduction structure, a connecting spring and a driving device, and the vibration reduction structure adopts a two-stage composite vibration reduction system. Through a bionic cutting structure, a two-stage vibration reduction system and a flexible adaptive design, cooperation of efficient cutting, stable operation, cost reduction, efficiency improvement and environmental protection is achieved, a better solution is provided for agricultural stubble cutting operation, and technological upgrading of agricultural machinery equipment is promoted.

An overload protection device of a rotary cultivator is simple in structure, an overflow valve is mounted on an oil supply pipeline of a hydraulic motor, and when a rotary blade or a rotary blade shaft touches an obstacle which cannot be cut off, hydraulic pressure at an oil inlet of the hydraulic motor is increased suddenly, so that the overflow valve is opened to quickly release pressure, and the rotating speed and torque of the hydraulic motor are quickly reduced; therefore, impact is buffered, overload protection is achieved, and the rotary blade and the blade shaft can be protected. Meanwhile, after the rotary blade can rotate at a low speed to bypass an obstacle, the oil supply management hydraulic pressure is lowered, the overflow valve is closed, so that normal oil supply to the hydraulic motor is recovered, the working state of the rotary blade can be automatically recovered, manual operation is not needed, use is very convenient, and efficiency is high. In addition, a buffering assembly can be additionally arranged, the transmission tile is driven to be far away from the cutter shaft through hydraulic force generated when the oil pressure of the oil supply pipeline is increased suddenly, and therefore power between the rotary blade or the cutter shaft and the hydraulic motor is rapidly disconnected, impact force is rapidly buffered, and overload protection performance is further improved.

The utility model is suitable for the technical field of agricultural mechanical equipment, and provides soil loosening equipment applied to traditional Chinese medicine planting. The mounting frame is arranged on the frame, a rotating motor is fixedly mounted on one side of the mounting frame, a rotating rod is rotatably mounted on the mounting frame, one end of the rotating rod is fixed with an output shaft of the rotating motor, and a plurality of soil turning knives are arranged on the rotating rod; the storage box is used for storing chemical fertilizers and is fixedly mounted on the frame, a discharging pipe is arranged at the bottom of the storage box, and a proportional valve is arranged on the discharging pipe; and the fertilizer screening box is arranged on the frame, and the fertilizer screening box is positioned behind the soil turning knife. According to the soil loosening equipment applied to traditional Chinese medicine planting, automation and high efficiency of soil treatment and fertilization operation are achieved, precise application of chemical fertilizer is ensured, and the soil quality and the crop growth environment are improved.

This invention discloses a potato mulching planter, comprising a frame and a transmission mechanism. The frame is connected to a tractor via a three-point suspension. The frame is equipped with a rotary tillage and ridging device, a fertilization and pesticide application device, a pipe-laying and mulching device, a seed metering device, and a seed-planting device. The rotary tillage and ridging device includes a rotary tillage component and a ridging component. The fertilization and pesticide application device has a fertilizer pipe positioned in the middle of the rotary tillage component, which delivers fertilizer into the soil layer in the middle of the ridge. The pipe-laying and mulching device lays drip irrigation pipes and film on the ridge. The seed metering device has a seed metering component that sequentially feeds potato seeds into a duckbill-type seed-planting cylinder. The transmission mechanism drives the connecting rod assembly and the duckbill-type seed-planting cylinder to swing back and forth. The duckbill-type seed-planting cylinder pierces the film for seeding. This invention adopts a planting method of first covering the soil with film and then planting in holes on the film. This equipment integrates multiple functions such as rotary tillage, ridging, pesticide application, fertilization, pipe laying, mulching, seeding, and soil covering, greatly improving the efficiency of potato planting.

The present invention relates to a soil cultivation device (1), in particular a rotary harrow (2), comprising a frame (3a) on which rotationally driven soil cultivation tools (10) and, downstream thereof, a rolling unit (14) are arranged, wherein a substantially bar-like levelling element (15), the height of which is adjustable by an actuating mechanism (12), is arranged in the region between the soil cultivation tools (10) and the rolling unit (14), wherein, on the soil cultivation device (1), there is arranged a first sensor arrangement (23) comprising at least one sensor (25, 26, 27, 30), which sensor arrangement is designed and configured to detect a material excess occurring within the working width of the soil cultivation device (1), and a second sensor arrangement (24) comprising at least one sensor (29), which sensor arrangement is designed and configured to detect a work result generated by the soil cultivation device (1), wherein a control unit (21) assigned to the soil cultivation device (1) is designed and configured to evaluate the data received from the first sensor arrangement (23) and the second sensor arrangement (24) and, depending on the evaluation, to generate control signals for setting the soil cultivation tools (10), the levelling element (15) and / or the rolling unit (14).

The invention discloses a soil loosening and reseeding machine for treating and repairing degraded grassland through mixed seeding of various pasture, belongs to the technical field of soil loosening and seeding, and provides the following scheme that the soil loosening and reseeding machine comprises a seeding mechanism, a soil loosening mechanism is arranged on the seeding mechanism, the seeding mechanism comprises an upper support, and two seeding adjusting assemblies are arranged on the upper support; through transmission of the driving assembly and the arc-shaped toothed bar, the soil loosening assemblies can be transversely unfolded side by side, the soil loosening area is increased, the soil loosening efficiency is improved, the soil loosening assemblies can be vertically combined, meanwhile, through transmission of the soil loosening adjusting assembly and the rack, the soil loosening assemblies are distributed in a stepped mode, the soil loosening mode with the front shallow and the rear deep is formed, and the soil loosening difficulty is reduced; according to the mode, through flexible switching arrangement of the soil loosening assemblies, the soil loosening requirements of soft soil and hard soil are met, efficient adaptation of soil with different hardness is achieved, and the pertinence and the effect of soil loosening operation of degraded grassland are improved.

This invention discloses a rotary tiller with tire mark removal function, including a rotary tiller assembly, a rotary tiller frame, a suspension bracket fixedly connected to the front of the rotary tiller frame, a rotary tiller blade shaft rotatably connected to the rotary tiller frame behind the suspension bracket, and a plurality of rotary tiller blades arranged on the rotary tiller blade shaft; a tire mark removal assembly is connected to the rotary tiller frame, including a power box, a power input shaft rotatably connected to the power box, side transmission boxes fixed to the upper side of the rotary tiller frame at both ends of the power box, a first vertical shaft rotatably connected to the side transmission boxes, the power input shaft and the first vertical shaft being drively connected, a first blade holder fixed to the lower end of the first vertical shaft, and a plurality of first tire mark removal blades arranged on the first blade holder; this invention can loosen the tire compaction layer before the rotary tiller blades break the soil, achieving synchronous deep soil crushing in the tire mark area and the uncompacted slab, eliminating soil hardness differences, and ensuring that the tillage layer is uniformly and finely crushed as a whole.

The present application relates to the technical field of soil remediation, and particularly relates to a salt and alkali resisting and reducing equipment suitable for saline and alkaline soil, which comprises a mounting frame, a feeding assembly mounted on the mounting frame, a power assembly, the power assembly connected to the mounting frame, a soil separating plate connected to the power assembly and in a hollow shape, a conveying assembly for continuously conveying salt separating layer materials connected to the soil separating plate, a guide plate arranged on each side of the soil separating plate, a mounting cylinder fixedly connected to the lower part of the soil separating plate, and two outer arc plates in symmetrical distribution rotatably connected to the mounting cylinder. The two outer arc plates are pushed by two connecting rods to expand to opposite sides with the mounting cylinder as the center, and change from a combined shape to an acute angle shape, so as to push the powdery soil on the outer sides of the two outer arc plates to the two sides. At the same time, the two outer arc plates move out of the fan-shaped grooves with corresponding fan-shaped springs, so that the expanded outer arc plates and the fan-shaped springs separate a space for laying corn stalks at the lower part of the ploughing layer.

The application provides a wheat wide seedling strip seedbed preparation device and a monitoring system thereof, which comprises a single fixed seat, a front ditch opener fixed seat, a front ditch opener, a fertilizer spreading device, an anti-abrasion plate, a rotary tiller group, a side plate, a soil retaining plate, a rear ditch opener, a soil humidity sensor, a metal water pipe, a profiling mechanism, a spring damper, a transmission box and a motor. The single fixed seat is provided with a through hole, and the single body is fixed to a seeding machine frame through U-shaped bolts. The seeding machine can be installed with multiple single bodies. The spacing between the single bodies is adjusted to adapt to the wide seedling strip seeding operation of different row spacings. The soil disturbance and power consumption during operation are reduced through wide seedling strip rotary tillage. The monitoring system comprises a rotary tiller group power distribution monitoring system and a lower irrigation monitoring system. The rotary tiller group power is automatically adjusted with the change of the forward speed and the working resistance, so that the seedbed preparation operation effect is improved. Through lower irrigation of the seedling strip, the problem of uneven emergence caused by the inconsistent soil moisture content of different plots in the field is solved.

The utility model relates to the technical field of medicinal material planting equipment, and discloses a traditional Chinese medicinal material planting soil loosening device which comprises a carrying platform, the top end of the carrying platform is fixedly connected with driving equipment, and the output end of the driving equipment is provided with a soil loosening assembly; the soil loosening assembly comprises a transmission shaft, the transmission shaft is fixedly connected to the output end of the driving equipment, and two transmission gears are fixedly connected to the outer side wall of the transmission shaft. According to the soil loosening device, the transmission shaft provided with the transmission gear can be driven to rotate through the driving equipment, the right end of the carrying platform is connected with the mud cover through the adjusting rod, meanwhile, the middle of the mud cover is rotationally connected with the rotating shaft provided with the multiple sets of soil loosening teeth, and the two sides of the rotating shaft are fixedly connected with the driven gears; meanwhile, the outer sides of the driven gear and the transmission gear are connected through the transmission chain, so that when the transmission gear rotates, the rotating shaft and the soil loosening teeth can be driven to rotate, and soil loosening operation can be conducted on the planting land.

The utility model discloses a crawler rotary cultivator cutter shaft transmission structure which comprises a machine frame, a connecting mechanism composed of a plurality of connecting frames is arranged at the top end of the machine frame, a driving motor is arranged in the middle of the top end of the machine frame, a transmission shaft is arranged at the output end of the driving motor, and side frames are arranged on the two sides of the machine frame. Transmission mechanisms are arranged between the outer ends of the transmission shafts and the corresponding side frames, dynamic cutter shafts which are horizontally distributed are arranged between the side frames, and fixing shafts are arranged at the two ends of each dynamic cutter shaft. The two ends of the dynamic cutter shaft are connected with the fixed shaft through a flexible connecting assembly composed of a positioning ring, a butt joint plate and an elastic element. According to the cutter shaft transmission structure of the crawler rotary cultivator, the adaptability and the flexibility of the cutter shaft under complex working conditions are improved, impact damage is effectively reduced, the stability of power transmission is enhanced, and the service life of the cutter is prolonged.

The embodiment of the application discloses a kind of road green belt soil loosening devices, including mounting plate, drive motor, first fixed rod, fixed cylinder, soil loosening system and power system.Adopt the application, cleaning plate is inserted into the gap between the two blade bodies of breaking soil knife, the soil adhered on the two blade bodies is scraped by cleaning plate, then soil loosening knife rotates through between two third fixed plates, the soil adhered on soil loosening knife is pushed off by push rod, the soil adhered on soil loosening knife is scraped by multiple scrapers, then blade passes through the gap between two corresponding scrapers, and then the soil adhered on blade is scraped, guarantee the soil loosening effect of soil loosening knife and blade, solve the problem that existing soil loosening equipment is generally cleaned after work, and in the working process, the soil adhered on the tool is continuously wrapped, which leads to the decline of tool loosening effect, even makes the tool and soil into a round roller, completely loses the soil loosening effect.

The invention discloses an integrated ploughing and seeding device for vegetable planting, which comprises a base, a connecting frame is fixedly connected to the base, a mounting block is hinged to the connecting frame, electric push rods are symmetrically and fixedly connected to the base, the output ends of the electric push rods are fixedly connected with a U-shaped frame, a plurality of fixing blocks are arranged on the base at equal intervals, and the U-shaped frame is fixedly connected with the fixing blocks. The fixing block is slidably connected with the U-shaped frame, a transverse plate is fixedly connected to the side wall of the U-shaped frame, a sleeve rod is fixedly connected to the top surface of the transverse plate, and a seed storage box is fixedly connected to the machine base. The multiple sets of digging assemblies are arranged and driven by the electric push rod to achieve lifting adjustment, the requirements of different seeds for the planting depth can be met, the front-end digging assembly completes digging of planting pits firstly, the rear-end digging assembly pushes loose soil back into the pits to cover the seeds, the seeds are prevented from being exposed to the external environment, and the planting efficiency is improved. The seed loss caused by external factors is effectively reduced.

The application provides a stubble and soil breaking segmented vertical ultra-deep rotary tillage cutter, two rotary tillage units with opposite rotary directions are arranged side by side and both adopt a segmented structure design, namely, the upper segment cutter comprises a cutter head, a cutter shaft and a plurality of layers of cutter blade assemblies distributed along the axial direction of the cutter shaft, the upper segment multi-layer cutter blades cut the stubble from top to bottom in sequence during operation, and high-efficiency stubble breaking is realized; the lower segment cutter comprises a connecting plate and a plurality of circumferentially uniformly distributed cutter arms, a plurality of cutter teeth are uniformly arranged on each cutter arm in the axial direction, the cutter teeth on the plurality of cutter arms cut into the soil in sequence during operation, the peak value of resistance caused by the simultaneous entry of all cutting elements into the soil is avoided, and the operation power consumption is significantly reduced. The operation depth of the application can reach 30-50 cm, and the breaking operation of the stubble and the soil can be completed at one time; the plough pan is effectively broken, and the permeability of the soil is enhanced; the stubble breaking rate is greatly improved, the operation resistance and the power consumption are significantly reduced, and the organic unification of high-efficiency stubble and soil breaking and low-consumption operation is realized.

This invention discloses a Polygonum multiflorum (He Shou Wu) planting device, comprising a box body with a partition inserted in the middle of the box body. Above the partition is a planting section, and below the partition is a drainage section. The planting section contains an ultraviolet (UV) component and a cylindrical component integrating sterilization, watering, soil loosening, and heating, extending through the planting section to the outside of the box body. The drainage section contains a negative pressure drainage structure. This invention, by incorporating the UV component and the cylindrical component, achieves automatic soil turning and sterilization, integrating sterilization and bacteriostasis, watering, soil loosening, and heating into a simple structure, effectively improving the sterilization and bacteriostasis effect, further optimizing the growth environment of Polygonum multiflorum, and increasing the growth rate of Polygonum multiflorum.

The utility model belongs to the technical field of cutters for mini-tillers, and particularly relates to a cutter for a mini-tiller, which comprises a driving shaft and a mounting mechanism arranged above the driving shaft, and the mounting mechanism comprises a clamping component and a mounting component; the clamping assembly comprises a mounting seat, a mounting groove, a mounting rod, a tool support, a mounting hole and a fixing plate, the mounting seat is fixed to the outer surface of the driving shaft, and the fixing plate is mounted on the side wall of the mounting seat. Therefore, the locking screw is rotated to realize the mounting and dismounting of the cutter bracket, the operation can be quickly completed without using complex tools or spending a large amount of time, the standardized and modularized design is adopted, so that the cutter can be conveniently replaced and maintained, the service life of the cutter is prolonged, the direct mounting and dismounting through a bolt are avoided, and the production efficiency is improved. And the cutter bracket is abraded to a certain extent after long-time use.

In a tillage implement for being towed by an agricultural tractor across ground to be towed and having a main frame supporting a plurality of tillage units thereon in which each tillage unit includes a disc supporting arm mounted on the main frame, disc mounting assemblies support respective tillage discs on the disc supporting arms. Each assembly includes a mounting body forming a socket therein and a shaft partly received within the socket so as to support a tillage disc on a hub rotatable on a portion of the shaft protruding from the mounting body. The shaft includes a tapered shaft section received within a tapered socket section in the socket of the mounting body to securely and releasably mount the shaft relative to the mounting body.

The present application relates to the field of agricultural technology, and provides a preparation method of a straw-derived organic calcium conditioner and application of the straw-derived organic calcium conditioner in red soil hardening repair, solves the problem that existing conditioners do not have a slow-release effect, and the effect of red soil hardening reduction, acid improvement and crop yield increase after application of the conditioner is poor, and comprises the following steps: S1, raw material pretreatment and compounding: pulverizing rice straw and mixing the rice straw with oyster shell powder to obtain mixed raw materials; S2, pyrolysis treatment is performed on the mixed raw materials, and volatile components generated in the pyrolysis process are recovered through a condensation system; S3, organic acid activation: the pyrolysis and carbonization products are mixed with an organic acid activation liquid to obtain activated carbonization products; S4, chimeric and mechanical activation: the activated carbonization products are mixed with polyethylene glycol and subjected to ball milling treatment; S5, polymer cross-linking reaction: polyvinyl alcohol and citric acid are added and mixed for reaction; and S6, shaping and granulation: shaping treatment is performed to obtain the straw-derived organic calcium conditioner.

The application discloses a positive and reverse meshing tooth combined type bionic stubble device, which comprises a moving frame, a transmission shaft, a movable stubble cutter, a positive rolling type passive stubble cutter and a reverse rolling type active stubble cutter; a first side cutting blade and a fourth side cutting blade adopt a left mandible structure of a leaf-cutting ant, a second side cutting blade and a third side cutting blade adopt a right mandible structure of a leaf-cutting ant, the third side cutting blade of the positive rolling type passive stubble cutter and the fourth side cutting blade of the reverse rolling type active stubble cutter are rotationally engaged to realize first shearing operation, the second side cutting blade and the fourth side cutting blade are engaged to realize second shearing operation, and the first side cutting blade and the third side cutting blade are engaged to realize third shearing operation; the application realizes dynamic bionics of the leaf-cutting ant mandible cutting leaf movement form, has high stubble cutting rate, small cutting resistance, low energy consumption, high operation efficiency, long service life and suitability for root-soil complex farmland operation environment.