1009 results about "Threshing" patented technology

The invention discloses a whole corn plant harvesting, separating and packing machine, which belongs to the field of agricultural machinery and comprises a frame assembly, a corn header is arranged at the front end of the frame assembly, and a corn ear peeling device, a corn cob collecting device, a corn cob transferring device and a corn cob threshing device are arranged on the rear side of the corn header. A corn kernel storage chamber is arranged on the left side of the corn cob threshing device, and a corn cob transfer device and a corn cob storage chamber are arranged on the rear side of the corn cob threshing device; a straw smashing and screening device is arranged below the corncob peeling device, and a soft material conveying track, a hard skin conveying track, a soft material packaging machine, a film winding device, a fermentation liquor spraying device and a hard skin squeezing and bundling machine are arranged on the rear side of the straw smashing and screening device. Whole corn plants are harvested through one machine, and after being harvested, the whole corn plants are separated according to material attributes and are not wasted any more, so that the whole corn plants are fully utilized; people are intellectual; the effort is made to the best; the whole corn plants are completely eaten and squeezed on one machine.

The low-damage corn threshing device comprises a roller main body and an upper cover plate arranged on the upper side of the roller main body, a main shaft connected with external driving equipment is arranged in the roller main body, the main shaft and the roller main body are coaxially arranged, and a spiral feeding opening is formed in an inlet of the roller main body; and a spiral blade is arranged at the spiral feeding port. Corn is threshed through the rigid-flexible combined threshing element and the thumb-preventing threshing element, the collision striking force on corn ears can be reduced, the kernel breakage rate is reduced, the corn threshing income is improved, meanwhile, the concave grid is innovatively designed, a conventional grid type concave grid is changed, and the threshing efficiency is improved. The round tube sleeve type combined concave grid with the square holes is innovatively designed, a nylon sleeve is installed on a round tube of the round tube sleeve type combined concave grid, a cylindrical steel tube is welded to the square holes of the square hole of the round tube sleeve type combined concave grid, the number of times of contact with corn ears is further increased, collision to grains is reduced, and the threshing rate of the corn grains is improved.

The invention belongs to the technical field of gramineous crop threshing, and particularly relates to a multi-stage threshing device with a good threshing effect. Crops are fed into the feeding hopper, the driving mechanism drives the feeding coarse threshing roller to rotate around the axis of the feeding coarse threshing roller, and the crops are subjected to coarse threshing through the feeding coarse threshing roller and conveyed to the first threshing conveying section of the first fine threshing roller. The driving mechanism drives the first fine threshing roller to rotate around the axis of the first fine threshing roller, and coarse-threshed crops are subjected to primary fine threshing through cooperation of the first fine threshing roller and the first sieve plate. Crops which are not completely threshed are conveyed to the second fine threshing roller through the window, the driving mechanism drives the second fine threshing roller to rotate around the axis of the second fine threshing roller, the crops which are not completely threshed are subjected to secondary fine threshing through cooperation of the second fine threshing roller and the second sieve plate, and stalks are discharged from the slag outlet.

The invention belongs to the technical field of agricultural machinery, and particularly relates to a wheat harvesting and straw deep burying and returning all-in-one machine which comprises a harvesting and threshing part, a walking part, a smashing part, a feeding part and a deep soil turning part. Soil is scarified through the deep soil scarifying part, then the ground wheat straw is buried to the bottom of the scarified soil through the feeding part, deep burying and returning of the wheat straw are achieved, the deeply-buried straw is decomposed in deep soil, humus is more easily formed, the content of organic matter in the soil is increased, and the yield of the wheat straw is increased. Deep burying can promote the formation of a soil aggregate structure and enhance the permeability and water and fertilizer retention capability of deep soil, so that surface hardening possibly caused by conventional returning to the field is avoided; a series of working procedures of harvesting, threshing, smashing and deep burying are achieved through the walking component, and then the convenience and efficiency of straw returning to the field are improved.

The invention discloses a self-propelled corn harvester and a corn harvesting method for hilly terrains, and relates to the field of corn harvesters, the self-propelled corn harvester comprises a threshing cylinder, a threshing shaft, a main roller, a plurality of auxiliary rollers and an auger filter plate, the threshing shaft is rotatably connected with the threshing cylinder, and center gears are installed at the two ends of the threshing shaft; the main roller and the auxiliary rollers are arranged in the threshing cylinder, the main roller is fixedly installed in the middle of the threshing shaft, planetary gears are installed at the two ends of each auxiliary roller, inner insection rings are installed at the two ends in the threshing cylinder, and the planetary gears are meshed with the corresponding center gears and the corresponding inner insection rings. Baffles are installed at the two ends of the interior of the threshing cylinder, the auger filter plate is arranged in the threshing cylinder, and a plurality of transverse screen holes are evenly formed in the auger filter plate. Through the overall structure arrangement, corn can be peeled and threshed, corn coats can be discharged from the threshing cylinder, and the corn threshing process is prevented from being affected by the corn coats.

The utility model relates to the field of harvesting machinery, and discloses a harvesting machinery, a threshing device and a concave grid thereof, the concave grid comprises a supporting frame, a plurality of longitudinal partition plates (3) and a plurality of grid strips (4), the longitudinal partition plates (3) and the grid strips (4) are connected to the supporting frame and mutually staggered and extend to form a grid, and a plurality of slots (31) which are distributed at intervals are respectively formed in each longitudinal partition plate (3). The grate bars (4) penetrate through the slots (31) to extend, and the portion, between every two adjacent slots (31), of each grate bar (4) protrudes towards the radial inner side. In the process that crop straw rotates along with the threshing cylinder, the concave grid is beneficial to separation of grains from the straw, the grain separation rate is increased, meanwhile, the amount of crushed straw and weeds carried in the separated grains is reduced, the risk that the grains are crushed or the surfaces of the grains are damaged is reduced, and the crushing rate and the loss rate of the grains are remarkably reduced.

The utility model provides a making device of fen-flavor golden sophora flower bud tea. The making device comprises a threshing assembly and an integrated furnace, an evaporation barrel, a gas conveying area and a liquid sealing area are arranged in the integrated furnace; the evaporation barrel is positioned in the gas conveying area; a supporting truss is connected to the upper portion of the threshing assembly, and a conveying rail is arranged below the supporting truss. The bottom of the threshing barrel is communicated with the evaporation barrel; a steam through hole is formed in the outer wall of the evaporation barrel; the gas conveying area is positioned above the liquid sealing area; the bottom of the stir-frying furnace is provided with a discharge port, and the liquid sealing area is sealed with the gas conveying area and the outer surface of the stir-frying furnace; according to the production line, the production process of the fen-flavor sophora flower bud tea is standardized, the time and the temperature between steps can be controlled, and an integrated sophora flower bud tea processing operation process which is standardized in yield, high in efficiency, high in automation speed and extremely high in controllability is formed; problems caused by manual operation can be solved, and the labor cost is reduced.

The invention relates to the field of agricultural machinery, and discloses a rice threshing device with a drying function, comprising: a crushing assembly used for preliminarily separating harvested rice so as to provide convenience for subsequent threshing operation; the extrusion assembly can automatically turn over rice to be threshed, and the double-face threshing function is achieved; the crushing assembly is used for crushing rice, the drying assembly is used for removing waste and dust generated in the threshing process and drying the threshed rice through a heating function, and the driving assembly is used for driving the crushing assembly and the telescopic assembly to synchronously operate to ensure that the threshing process is efficiently carried out; and the screening assembly is used for screening the threshed rice and waste materials generated in the threshing process, and further separation of the materials is achieved. Preliminary crushing is firstly carried out through the crushing assembly, the extrusion assembly achieves double-face extrusion through hydraulic control, it is ensured that grains fully fall off, the telescopic assembly can accurately adjust the threshing strength according to the variety and maturity of different rice, and the threshing efficiency is improved to the maximum extent.

The invention discloses a self-adaptive regulation and control method applied to a combine harvester. The combine harvester comprises a movable chassis, and a seedling pulling and harvesting device, a material conveying channel, a threshing device and a cleaning device which are mounted on the movable chassis; the cleaning device comprises a vibrating screen and a vibrating screen driving mechanism; the plurality of vibrating screens are tightly arranged; the vibrating screen driving mechanism comprises a central driving shaft and a plurality of eccentric shafts; the eccentric shafts and the vibrating screens are equal in number and are respectively connected through connecting pieces one by one; two ends of the eccentric shaft are respectively connected with the central driving shaft through electric push rods; one end of the connecting piece is rotationally mounted relative to the eccentric shaft, and the other end is fixed on the vibrating screen; all the electric push rods are connected with a controller; the method comprises the steps that distribution information of materials falling on each vibrating screen is obtained, and the left-right distribution condition of the materials is obtained; on the basis of the left-right distribution condition, all the electric push rods are adjusted to operate so as to adjust the amplitude of all the vibrating screens.

The invention provides a hybrid rice seed production female parent seed harvester and a control method thereof. Comprising a feeding quantity prediction device, a threshing device, a cleaning device flow guide strip angle adjusting device, a pressure monitoring plate, a scale sieve opening degree adjusting device, a seed loss monitoring sensor, a secondary residual seed quantity monitoring device, an air pressure monitoring device, an air inlet opening degree adjusting plate, an air distribution plate angle adjusting mechanism and a forward speed adjusting device. An entrainment loss monitoring sensor, a seed breakage rate monitoring sensor and a signal processing and control system are used for adjusting the angle of a flow guide strip, the opening degree of a scale sieve, the opening degree of an air inlet, the angle of an air distribution plate, the angle of a grass guide plate B and the advancing speed of the harvester, and the seed loss rate is reduced; the feeding quantity of the harvester at the next moment is obtained in advance through the feeding quantity prediction device, related working parameters of the cleaning device are adjusted in time, control lag is reduced, working parameters of the threshing device and the cleaning device are cooperatively adjusted, the threshing and separating performance is improved, and the seed loss rate is reduced.

To solve such a problem that there are areas that are difficult for a worker to see when looking straight ahead since conventional back monitors are arranged in such a way that they overlap with a portion of a glass window on the front side.SOLUTION: In a combine-harvester including: a travel vehicle body 2 having a travel device 4; a reaping device 15 for reaping grain culms from a farm field; a threshing device 6 for separating the grains by taking over the grain culms from the reaping device 15; a cabin 23 where a worker is seated; and a transparent member 40 which constitutes the front surface and the side surface of the cabin 23, there are provided a back camera 41 which images the rear of the machine body and a back monitor 35 which displays the image captured by the back camera 41, a ceiling interior panel 36 which covers from a cabin roof 25 of the cabin 23 to the upper part of the transparent member 40 is installed, the back monitor 35 is positioned such that it avoids the transparent member 40 of the front surface and side surface and overlaps with the ceiling interior panel 36, and the back monitor 35 is arranged so as to be biased towards one side of the left and right sides of the machine body with respect to the one side end of the left and right sides of a work seat 21 in the cabin 23.SELECTED DRAWING: Figure 1

The utility model discloses a self-propelled pepper harvester, and relates to the technical field of machine manufacturing. The fruit picking machine comprises a vehicle body, a cab, a cut-down assembly, an auger assembly, a conveying chain harrow, a primary fruit picking assembly and a secondary fruit picking assembly, the auger assembly is arranged at the front end of the vehicle body, the cut-down assembly is arranged at the top end of the auger assembly, the conveying chain harrow is arranged on the vehicle body, and the conveying chain harrow is arranged at the rear end of the auger assembly; according to the equipment, the spiral steel is arranged in the primary separation assembly and the secondary picking assembly to rotate for threshing, and the spiral steel also has a discharging and conveying function; by means of the design, the problem of pepper crushing is effectively solved, and the clean threshing process is achieved; the equipment performs longitudinal threshing (primary threshing) and transverse threshing (secondary threshing), and performs threshing work for two times on peppers, so that the threshing effect is remarkably improved, the crushing condition is reduced, the completeness of the peppers is kept, and the working efficiency is improved.

The utility model relates to the technical field of crop screening, in particular to a concave grid and a threshing roller, which comprise an arc-shaped frame, the arc-shaped frame comprises a first straight plate, a first arc-shaped plate, a second straight plate and a second arc-shaped plate which are sequentially connected end to end, and the concave grid further comprises a penetrating strip, a plurality of rotating holes are sequentially formed in the first arc-shaped plate and the second arc-shaped plate respectively along arc-shaped paths of the first arc-shaped plate and the second arc-shaped plate, the rotating holes in the first arc-shaped plate and the rotating holes in the second arc-shaped plate are arranged in a one-to-one correspondence mode and jointly install the penetrating strips, and the penetrating strips can rotate in the rotating holes. The concave plate sieve can reduce the breakage rate when materials are sieved.

The invention relates to the technical field of agricultural equipment, in particular to a corn ear and stalk collecting, packaging and film winding all-in-one machine which comprises a frame, a material collecting module and a recycling module are arranged on the frame, the material collecting module comprises a harvesting table, a cab and a grain storage box, and a stalk chopper is installed on the lower portion of the harvesting table; a stalk chopper is arranged on one side of the grain storage box, a stalk crusher connected with the stalk chopper is arranged on one side of the grain storage box, the recycling module comprises a stalk storage box and a packaging machine, a first conveying belt connected with the stalk storage box is arranged at the feeding end of the packaging machine, and a film winding device is arranged at the discharging end of the packaging machine. Compared with a traditional stalk and spike harvesting device, through modular design, stalk cutting, spike and grain separation, straw smashing and packaging and film winding integrated operation is achieved, device switching and manual intervention are reduced, and the straw mildewing risk caused by human errors is reduced.

The invention provides a cleaning device with an adjustable screening behavior suitable for densely-planted corn, and belongs to the field of corn harvesting machinery. Comprising an upper screen box, a shaking plate, a centrifugal fan, a crank connecting rod mechanism and a lower screen box, the centrifugal fan is fixedly connected with a harvester, the shaking plate is arranged above the centrifugal fan, one end of the shaking plate corresponds to a discharging port of a threshing device, the other end of the shaking plate is provided with the upper screen box, and the lower screen box is arranged below the upper screen box. The ends, close to the centrifugal fan, of the upper screen box and the lower screen box are connected through crank connecting rod mechanisms, the crank connecting rod mechanisms are symmetrically arranged on the two sides of the upper screen box and the two sides of the lower screen box, and a structural unit of the vibrating screen with the adjustable screen penetrating behavior is composed of an upper-section screen plate, a middle-section screen plate, a lower-section screen plate and an inclination-angle-adjustable screen plate. The throwing force of the front end area of the vibrating screen on mixture particles and the vertical speed of air flow on the screen are increased, the separation effect of impurities and grains is promoted, the grain penetrating through the screen is improved, and the low-loss and high-cleanliness purposes of corn grain cleaning are achieved.

The invention relates to the technical field of crop harvesting, and provides an ear picking plate gap detection and adjustment device and method and a harvester. The device comprises an angle sensor, a controller, a rack, a pull rod mechanism, an ear picking plate and a telescopic mechanism, the angle sensor is in communication connection with the controller, the angle sensor is fixedly connected to the rack, and a long-strip-shaped hole is formed in the rotating end of the angle sensor; one end of the pull rod mechanism is fixedly connected with the ear picking plate, and the other end of the pull rod mechanism is fixedly connected with a sliding piece which is slidably connected into the long-strip-shaped hole. The telescopic mechanism is fixedly connected to the rack, and the telescopic end of the telescopic mechanism is fixedly connected with the pull rod mechanism. According to the device, accurate detection of the gap between the ear picking plates can be realized, so that the gap between the ear picking plates can be conveniently and accurately adjusted to adapt to the current operation condition. The accurate gap between the ear picking plates can effectively reduce the conditions that grains fall off and ear heads are not picked completely, and excessive straw and other impurities are prevented from entering the threshing device.

The utility model provides a threshing cylinder clearance adjusting device and harvester, including concave plate, adjusting mechanism and control mechanism, adjusting mechanism is used for adjusting concave plate clearance, including adjusting lever and rocker arm, rocker arm one end is connected concave plate, adjusting lever rotates to drive rocker arm to adjust concave plate clearance; the control mechanism is connected with the adjusting rod and comprises a driving part for driving the adjusting rod to rotate and a gap value obtaining system for obtaining a gap value, the driving part comprises a connecting arm and an adjusting piece for driving the connecting arm to rotate, and the gap value obtaining system is connected with the adjusting mechanism and obtains the gap value of the lower concave plate; wherein the sensor is used for detecting and acquiring a first gap value of a concave plate gap and converting the first gap value into a first voltage value, and the controller is used for monitoring and judging the first gap value corresponding to the first voltage value. According to the threshing cylinder gap adjusting device and the harvester, operation is easy, the gap value of the lower concave plate can be monitored in real time, and the harvesting efficiency is improved.

The invention discloses a soybean low-crushing threshing multivariable collaborative optimization control method and system, and relates to the field of agricultural machinery automation control. The method comprises the following steps: acquiring grain harvesting and threshing related data at the current moment; based on grain harvesting and threshing related data, soybean low-crushing threshing multivariable cooperative control is carried out, and the rotating speed of a target roller and the opening degree of a concave grid are solved; and outputting a control instruction according to a solving result to realize online regulation and control of the rotating speed of the roller and the opening degree of the concave sieve. The intelligent level of the grain combine harvester can be effectively improved, high-quality and low-loss harvesting of grain harvesting is achieved, grain saving and loss reduction of grain harvesting are achieved, and agricultural economic benefits are effectively improved.

The invention discloses a mesh bag hoisting and unloading type rice straw integrated combined harvesting device and a harvesting method, and belongs to the technical field of rice straw integrated harvesting equipment. Comprising a harvester body composed of a crawler-type walking chassis, a driving control position, a harvesting component, an inclined conveying device, a threshing component, a threshing device, a separating device, a cleaning device, a residue processing device, a straw walker, a grain elevator, an engine, a transmission system, a hydraulic system and an electrical system. A threshing component is arranged in the middle of a chassis frame on the harvester body, and a lifting and unloading type mesh bag grain storage component is arranged on the right side of the harvester body. The whole-feeding type crawler belt combine harvester technology widely used in southern rice areas at present is introduced, part of complete mechanism components are applied, the technology and the manufacturing process are mature, and the quality is reliable. A grain tank and a grain unloading barrel are removed, and a grain storage mesh bag, a grass storage mesh bag, a straw guide component and an ensiling agent adding component are added, so that the manufacturing cost is lower.

The invention relates to the technical field of grain loss monitoring, in particular to a wheat harvesting loss monitoring system and method, and the system comprises an unmanned aerial vehicle monitoring module, a multi-mode sensor array, a signal processing module, an intelligent control module and a man-machine interaction terminal. The unmanned aerial vehicle monitoring module is used for scanning a field parcel, identifying a lodging area and a high-density area and generating a loss risk thermodynamic diagram, the loss risk thermodynamic diagram is imported into a harvester navigation system, and the high-risk area is harvested preferentially; the multi-mode sensor array comprises a piezoelectric grain sensor and an image sensor; the piezoelectric type grain sensor is mounted at the tail part of the cleaning sieve, adopts a vibration isolation device (such as a rubber pad) to reduce mechanical vibration interference, and detects a grain impact signal through a piezoelectric element; the image sensor is arranged on a header and a threshing outlet and is used for identifying missed cutting of wheat ears and damaged grains based on a deep learning algorithm; the intelligent control module comprises a loss rate calculation unit and a parameter optimization unit; the precision and the real-time performance are improved.

A gasoline engine rotates reversely to drive a threshing wheel and a threshing shaft, the threshing shaft is provided with a threshing cylinder in a threshing compartment, the threshing cylinder is provided with large round baffles at the two ends, a small round baffle in the middle, three steel pipes and the threshing shaft, the threshing cylinder is divided into three parts by the four round baffles, threshing nails are welded outwards on the three steel pipes, and the threshing nails are connected with the threshing roller. The other end of the threshing shaft penetrates out of the threshing compartment, is round, is milled with a small section of small plane and is provided with a transmission main umbrella wheel, the main umbrella wheel and a transmission main belt wheel are integrated, and the main umbrella wheel and the threshing shaft are fixed by a screw nailed on the small section of plane, so that the integrated screw of the threshing shaft and the transmission main belt wheel rotates along with the shaft after being fastened; when the screw is loosened, the threshing cylinder rotates; the height of the whole field grain piles can be controlled to be consistent according to needs, the grain piles are not crushed, and the stable yield of ratooning rice is ensured.

The invention discloses a real-time monitoring system and method for the total grain loss rate of a combine harvester, a grain header loss monitoring unit is arranged in a divider in the combine harvester and used for monitoring the header loss amount, and a grain cleaning loss monitoring unit is arranged on one side of a vibrating screen in the combine harvester and used for monitoring the cleaning loss amount. The grain entrainment loss monitoring unit is arranged on one side of a threshing concave grid in the combine harvester and used for monitoring the entrainment loss amount, the grain flow monitoring unit is arranged at an outlet of a vertical grain conveying auger in the combine harvester and used for monitoring the grain flow, and the signal processing integrated circuit and the vehicle-mounted industrial personal computer are both installed in a cab in the combine harvester. And the signal processing integrated circuit is used for calculating the total loss rate of the grains and displaying and storing the total loss rate on the vehicle-mounted industrial personal computer in real time. According to the method, the total loss rate of the grains is directly calculated by fusing cleaning loss, entrainment loss, header loss and grain flow monitoring data, the result is more accurate and close to reality, and the method is not influenced by fluctuation of working conditions such as the advancing speed and the cutting width of the combine harvester.

The invention discloses a mechanism and data fusion driven wheat and corn harvesting and threshing grain damage rate evolution prediction method. The method comprises the following steps: 1, acquiring response data of wheat or corn grain damage rate along with time change under different threshing working conditions based on a bench test; 2, on the basis of a discrete element simulation analysis result, constructing a wheat and corn threshing grain damage rate physical model to obtain response data of the grain damage rate changing along with time under different threshing working conditions; 3, constructing a wheat corn harvesting and threshing grain damage rate prediction model training data set; 4, establishing a wheat corn harvesting and threshing grain damage rate evolution prediction network model driven by mechanism and data fusion; 5, a loss function of the prediction model is established and trained, and an optimal grain damage rate evolution prediction model is obtained and used for predicting the grain damage rate of wheat and corn harvesting and threshing. According to the method, the evolution trend of the grain damage rate in the wheat and corn harvesting and threshing process can be accurately obtained in advance, and a basis is provided for wheat or corn harvesting and threshing self-adaptive damage suppression regulation and control.

The straw collecting and granulating device comprises a harvester body, a header assembly and a driving assembly, the driving assembly comprises an engine, a transmission assembly, a feeding assembly and a granulating assembly are arranged on the harvester body, the feeding assembly is connected with the right end of the header assembly, and the granulating assembly is connected with the right end of the header assembly. The feeding assembly comprises a feeding frame and a conveying mechanism, a first feeding port is formed in the left end of the feeding frame and connected with the header assembly, the granulation assembly is arranged below the feeding frame, one end of the transmission assembly is connected with the engine, and the other end of the transmission assembly is connected with the first driving shaft. According to the straw collecting and granulating device changed from the small-sized harvester, the small-sized crawler-type harvester is used as a main body for improvement, additional power is not needed, function conversion from threshing operation to straw collecting and granulating operation is achieved, and the straw collecting and granulating device is suitable for operation of small-area field parcels in the south, and flat-die granulating and field in-situ discharging of pure rice straw are completed.

The invention discloses an intelligent processing system for agricultural grain harvesting, and the system comprises a plurality of acoustic emission sensing units which are distributed in an array manner, are coupled to a threshing part, and are used for monitoring the micro-damage of grains; and the integrated multi-mode sensing unit is arranged on the grain conveying part and comprises a transmission type sensor for acquiring grain internal structure data, a spectrum sensor for acquiring grain surface chemical component data, a volatile organic compound sensor and a body moisture sensor. The system also includes a central data processor configured to: calculate a micro-damage index; generating a grain quality map; generating corruption risk features; and generating a system control signal for the agricultural harvesting device based on at least one of the microdamage index, the grain quality map, and the spoilage risk feature. The problems that internal damage cannot be monitored in real time, internal and external defects cannot be distinguished and moisture interference cannot be overcome in a harvesting field are solved.

An axial flow regulation system for grain harvesting machines for regulation of the distance between the threshing cylinder or rotor and the concave portions, and the axial displacement of the material harvested during threshing.

The invention discloses a synergistic planting method for spring green manure-winter wheat crop rotation synergistic soil improvement, and relates to the technical field of crop planting, and the method comprises the following steps: S1, carrying out soil preparation treatment on three test fields in the first ten days of June in the current year, and then dividing areas in the three test fields to respectively sow six green manure crops; s2, in the first ten days of September, the upper portion of the green manure is cut up and evenly spread on the spot, and then green manure stubbles are turned and pressed through a small machine; s3, applying a ternary compound fertilizer as a base fertilizer on October 20th in the same year, and sowing wheat after 3 days; and S4, harvesting the wheat by adopting a harvester in the next year, and performing threshing and warehousing operation. The method has the advantages that the soil fertility is improved by turning and pressing green manure, the saline-alkali soil structure is effectively improved, the yield and quality of winter wheat are effectively improved, and environment friendliness is achieved.

The utility model discloses a multistage speed change structure for a threshing device of a multi-crop seed combine harvester, which comprises a stepless speed change mechanism and a stepped speed changing box which are connected with each other, and an output shaft of the stepped speed changing box is connected with an axial flow roller shaft. According to the speed change structure, the stepless speed change mechanism and the stepped gearbox are used together, the requirement for a larger speed change range of a threshing device of the seed combine harvester can be met, the speed change structure can be greatly suitable for harvesting of various crops of different types, and applicability is greatly improved.

A dynamically operated concave threshing bar system, method, and apparatus wherein one or more threshing bars within a concave can dynamically move to various positions in real-time based on one or more conditions such as the type crop being harvested and on a determination by a combine harvester's computerized system, artificial intelligence (AI) system, or upon the operators' input, among others. The concave can include a concave frame having a pair of arcuate side members, a threshing bar, and an actuator coupled to the threshing bar, wherein the actuator can be configured to move the threshing bar along the arcuate side members of the concave frame.

The utility model discloses an intelligent ginseng fruit picking robot with an autonomous cruising function, which relates to the technical field of intelligent agricultural equipment and comprises a ground rail group, a gantry frame, a guide rail group, a picking execution mechanism, a gas absorption and collection device and a control system. The picking execution mechanism comprises an air suction type clamping and shearing picking execution mechanism and a picking execution mechanism connecting platform; according to the utility model, a complex agricultural planting environment of ginseng can be overcome, rapid and stable movement can be realized, and components of each part in the control box control motors, steering engines and sensors to work orderly. The air suction type clamping, shearing and picking executing mechanism effectively picks ginseng fruits in different scenes and in different poses, the ginseng fruits are threshed by rotating the clamping vibrator, finally, fruit grains are sucked into a collecting box through the air pressure suction pump device, and picking is completed. The intelligent ginseng fruit picking robot can effectively perform automatic picking, can effectively replace a manual picking mode, and promotes healthy and rapid development of the ginseng industry.