476 results about "Threshing" patented technology

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 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 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.

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.

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 invention relates to the technical field of agricultural harvesting equipment, in particular to an awn crushing, threshing and cleaning device of a highland barley combine harvester. Wherein the threshing cylinder is divided into a front end awn crushing section and a rear end threshing section, two sections of spike teeth are driven to rotate reversely through a coaxial reversing mechanism, a feeding auger and an awn crushing fan are arranged at the front end, and material conveying and preliminary wheat awn scattering are synchronously achieved; an anti-blocking and unblocking roller device is assembled on the outer side of the arc-shaped concave plate, and screen hole clamping objects are carded in real time; a top cover plate of the threshing cylinder is provided with a sectional type material guide plate, a hydraulic spike tooth assembly and a feeding quantity sensor, and the material accumulation working condition is dynamically adapted; the controllable fan is provided with a variable frequency drive and an adjustable air guide plate, and the air speed and the airflow direction can be adjusted according to working conditions. All the modules work cooperatively through the controller, threshing-awn crushing-cleaning integrated operation of highland barley is achieved, threshing thoroughness, awn processing efficiency and cleaning precision can be improved, manual intervention is reduced, and the requirement for large-scale highland barley harvesting is met.

The utility model belongs to the technical field of threshing devices, in particular to a low-loss threshing device for soybean harvesting, which comprises a threshing box, the top of the threshing box is communicated and fixed with a drying box with an opening on one side, the top of the drying box is fixedly connected with an air heater, and an output pipe of the air heater extends into the drying box and is communicated and fixed with a rectangular pipe. The hot-air blower and the motor are started, the hot-air blower discharges hot air into the air outlet cover through the rectangular pipe to be discharged, soybeans driving a shell are conveyed into the filter box in the threshing box through the conveying frame, the soybeans are dried through the air outlet cover in the conveying process, along with continuous rotation of the circular plate, the process is repeated continuously, and therefore the soybeans can be completely threshed. According to the soybean hulling device, continuous impact is formed, so that soybeans are hulled, after multiple times of impact and hulling, hulls of the soybeans gradually fall off, clean soybeans are left, the soybeans are discharged through a discharging opening, the hulls are retained in a filtering box, and therefore the soybeans are firstly subjected to drying treatment and then subjected to threshing, and loss is reduced.

This invention relates to the field of forage seeds, disclosing an efficient and low-loss combined harvesting method and system for forage seeds based on the Internet of Things (IoT). The method includes: sending a detection laser from a combine harvester in the forward direction, and receiving the reflected laser in the combine harvester; constructing a density map and height map of forage plants in the forward direction; adjusting the height of the cutting module to obtain a cutting module with adjusted height; adjusting the perimeter of the conveying module using the height map to obtain a conveying module with adjusted perimeter; adjusting the size of the sieve aperture of the threshing module using the particle diameter to obtain a threshing module with adjusted sieve aperture; adjusting the wind speed of the separation module to obtain a separation module with adjusted wind speed; and completing the combined harvesting of forage seeds using the height-adjusted cutting module, the perimeter-adjusted conveying module, the sieve-aperture-adjusted threshing module, and the wind speed-adjusted separation module. This invention enables efficient and low-loss adjustment of the combine harvester through IoT technology.

The invention belongs to the technical field of harvesters, and particularly relates to an intelligent rice harvester based on remote control, which comprises a central control cab, a granary, a motorized crawler belt and a threshing plough, a grain unloading pipe is mounted on the outer wall of the granary, and a water storage tank is fixedly connected to the outer wall of one side of the central control cab; a mounting base is fixedly connected to the outer wall of the bottom of the water storage tank, a monitoring probe is fixedly mounted on the outer wall of the bottom of the mounting base, water mist nozzles are mounted on the outer wall of the bottom of the mounting base around the outer wall of the monitoring probe in an array mode, and the interior of the granary is monitored through the monitoring probe, so that the unloading time and progress are judged; reserve water is loaded in the water storage tank, when the outer wall of the monitoring probe is covered with dust, water flow in the water storage tank is opened and can be injected to the outer wall of the monitoring probe through the water mist spray head, impurities attached to the outer wall of the monitoring probe are washed away, the stability of the monitoring sight line is guaranteed, and workers can conveniently judge and unload grains.

The present invention aims to provide a combine harvester that can maintain good threshing performance by improving the feeding of grain stalks into the threshing device, even when a large amount of grain stalks are sent to the threshing device. [Solution] In a combine harvester, a threshing device 4 is mounted on the machine frame 1, in which a threshing cylinder 11 is pivotally supported in a threshing chamber 10, a plurality of grain stalk feeding guides 60 are provided in the threshing chamber 10, and a receiving net 12 surrounds the lower half of the threshing cylinder 11. The threshing device of the combine harvester is characterized in that the spacing La of the front grain stalk feeding guides 60a provided on the front end side of the threshing cylinder 11 is narrower than the spacing Lb of the intermediate grain stalk feeders 60b provided in the middle part of the threshing cylinder 11.

The invention relates to the technical field of corn harvesting, and discloses corn harvesting and threshing intelligent integrated equipment which comprises a harvester, a processing bin is arranged on the harvester, and a discharging pipe is arranged on the harvester. Reciprocating motion of the position of the discharge pipe can be achieved, the hopper of the whole transport vehicle can be evenly and fully paved finally, the utilization rate of the space of the hopper is greatly increased, when the width of the hopper of the transport vehicle is small, the stroke of the air cylinder can be controlled through the control assembly to be automatically adjusted according to the width of the hopper of the transport vehicle, and the working efficiency is improved. By means of the control assembly, the discharging pipe can make horizontal reciprocating motion above the vehicle hopper all the time, the discharging pipe is prevented from moving out of the vehicle hopper, corn kernels are prevented from being scattered out of the vehicle hopper, the deflection condition of the vehicle hopper can be monitored, a worker can be reminded to adjust the position of the vehicle hopper in time when the vehicle hopper deflects, a first vertical plate in the control assembly can be protected, and the working efficiency is improved. And the first vertical plate is prevented from being broken off by the inclined car hopper.

A manual sorghum threshing device belongs to grain threshing devices and comprises a first unit, the first unit comprises a protective glove, the protective glove comprises a finger portion and a palm portion, a protective plate is arranged on the finger portion and / or the palm portion, and spine protrusions used for increasing friction force are arranged on the protective plate; the second unit comprises two unit bodies of the same structure, the two unit bodies are hinged, a threshing plate is fixedly arranged relative to the inner side faces of the unit bodies, the other side of the threshing plate is an arc-shaped edge, and edge teeth used for threshing are arranged on the arc-shaped edge. After the two unit bodies are buckled, the threshing plates arranged on the two unit bodies are matched to form a ring structure allowing sorghum stalks to penetrate through. The small-scale sorghum threshing device can achieve small-scale manual sorghum threshing, is simple and reasonable in structural design, convenient to use and low in cost, and can achieve high-efficiency sorghum threshing, so that the labor intensity of manual threshing is reduced, and the manual threshing efficiency is improved.

The application discloses a combine harvester with a material differentiation processing function, which comprises a walking chassis, a ploughing and harvesting assembly, a material conveying assembly and a threshing and cleaning assembly arranged in sequence from front to back on the walking chassis; the threshing and cleaning assembly comprises a threshing device and a cleaning device arranged in an up-down mode; the cleaning device comprises a sieve body and a driving main shaft for vibrating the sieve body; the number of the sieve bodies is at least three, and all the sieve bodies are closely arranged in the axial direction of the driving main shaft; a driving member is connected between the driving main shaft and each sieve body, and the specifications of the driving members connected with the sieve bodies at different positions are different, so that the vibration parameters of the sieve bodies at different positions are different. In the application, the structural design of the cleaning device can fully meet the distribution characteristics that the materials falling from the threshing cylinder of the threshing device are more on both sides and less in the middle, and targeted screening processing of the differentially distributed materials is realized.

The utility model relates to the technical field of agricultural machinery, in particular to a re-threshing device and a harvester. The re-threshing device comprises a toothed plate assembly, a toothed plate seat assembly, a rotary connecting seat and an adjusting seat; the rotary connecting seat and the adjusting seat are both arranged on the toothed plate seat assembly; one end of the toothed plate assembly is rotationally connected with the toothed plate seat assembly through a rotary connecting seat; the other end of the toothed plate assembly is detachably connected with the toothed plate seat assembly through the adjusting seat, and the angle between the toothed plate assembly and the toothed plate seat assembly can be adjusted. The toothed plate assembly comprises a bottom plate and a plurality of threshing toothed plates, and the threshing toothed plates are arranged on the same side of the bottom plate; the toothed plate base assembly is provided with a plurality of adjusting grooves, and the threshing toothed plate penetrates through the adjusting grooves and is used for threshing grains. According to the utility model, the re-threshing device can be used for re-threshing different varieties of rice in different growth states, and diversified operation requirements are met.

This invention discloses a small-scale intelligent millet harvesting and sowing machine that solves the problems of low integration, insufficient targeting, complex operation, low efficiency, and poor terrain adaptability of existing millet harvesting machinery in hilly and mountainous areas. The invention includes an intelligent center and a vehicle body. A harvesting and material collection device, a transport and threshing device, a sowing device, and a fertilizing device are sequentially installed on the vehicle body. The inlet of the harvesting and material collection device corresponds to the inlet of the transport and threshing device. A non-destructive conveying device is connected to the outlet of the transport and threshing device, and the outlet of the non-destructive conveying device corresponds to a grain storage bin installed on the vehicle body. The grain storage bin is equipped with a grain mixing device. The sowing device is located between the harvesting and material collection device and the grain storage bin, and is equipped with a seed bin mixing device. This invention achieves unmanned and automated operation of the machinery, effectively ensuring the integration of field operations, and significantly reducing the input of human resources and the increased costs caused by frequent replacement of agricultural machinery.

To provide a combine harvester that can suppress grain stalks from becoming entangled in the harvesting device. [Solution] In a combine harvester, a traveling device (2) for traveling in a field is provided on the underside of a machine frame (1) on which an engine (E) is mounted, a harvesting device (3) for cutting grain stalks is provided on the front side of the machine frame (1), a threshing device (4) for threshing the harvested grain stalks is provided on the rear left side of the harvesting device (3), a control unit (5) for the operator is provided on the rear right side of the harvesting device (3), and a grain tank (7) for storing grain is provided behind the control unit (5) along with a camera (11). The camera (11) takes an image of the front of the combine harvester, and the controller (50) of the combine harvester estimates the posture of the grain stalk heads from the image taken by the camera (11) and calculates the entanglement rate of the grain stalks.

The invention discloses a picking and threshing harvester for black sesame bundles in hilly and mountainous regions, and belongs to the technical field of agricultural combined harvesting equipment. Comprising a chassis, a box body, a threshing device, a lifting device and a picking device, the box body is fixedly arranged on the chassis, the threshing device is installed in the box body, the lifting device is connected with a feeding opening of the box body, the picking device is arranged at the front end of the lifting device, and the threshing device comprises a baling assembly, a flapping assembly, a rod chain assembly, an active shaking assembly and a transmission assembly. The baling assembly is arranged at a feeding port of the box body, the flapping assembly is arranged behind the baling assembly, the rod chain assembly is arranged below the baling assembly and the flapping assembly, the active shaking assembly is installed on the rod chain assembly, and the transmission assembly is in transmission connection with the baling assembly, the flapping assembly, the rod chain assembly and the active shaking assembly. Segmented harvesting is carried out on the cut and aired black sesame bundles, and the loss rate, the breakage rate and the heterochromatic rate of black sesame seeds are effectively reduced.

The utility model discloses a kind of fresh corn threshing equipment, it is related to agricultural product processing equipment field, the technical scheme of the utility model includes feed cylinder, the feed cylinder is only for single corn axial sliding, the front end of the feed cylinder is provided with threshing structure;The threshing structure includes annular member and the threshing cutter fixed in the annular member;The annular member is coaxially rotating cooperation relative to the feed cylinder, the annular member is driven by motor;The threshing cutter is arranged in the annular member, the blade tip of the threshing cutter extends to the inside of the annular member, the blade tip direction of the threshing cutter is relatively the axis of the annular member and is staggered arrangement, just corn is sent into feed cylinder, and threshing can be realized, and threshing efficiency is high, and it is easy and simple to operate.

The application discloses a concave plate gap adjusting device of a combine harvester, and belongs to the field of agricultural machinery, which comprises a feeding auger, a threshing cylinder, a support, a bearing seat, a follower and a screening assembly. The support is fixedly connected with the bearing seat at both ends. The support is rotatably connected with the feeding auger and the threshing cylinder through the two bearing seats. The end, away from the bearing seat, of the feeding auger is connected with the threshing cylinder. A linear guide groove is correspondingly arranged on the support. The support is connected with the screening assembly through the linear guide groove and cooperates with the guide follower. The end, close to the bearing seat, of the auger is provided with a feeding inlet. The end, close to the bearing seat, of the threshing cylinder is provided with a discharge outlet. The threshing cylinder and the screening assembly are arranged. The gap between the threshing cylinder and the screening assembly can be adjusted through the screening assembly during the threshing process of the threshing cylinder, so that the threshing effect is improved.

The invention belongs to the technical field of fruit and branch separation equipment, and particularly relates to sea-buckthorn branch and fruit threshing equipment which comprises a bottom frame, a roller mechanism, a feeding hopper and a screening mechanism. The screening mechanism is arranged below the roller mechanism; the roller mechanism comprises a fixed cylinder, a first roller rotationally connected into the fixed cylinder and a conveying shaft arranged in the first roller, the fixed cylinder is fixedly connected with the bottom frame, and a discharging shell is arranged at the bottom of the fixed cylinder; a plurality of collision rods are arranged on the inner wall of the first roller, and a plurality of first leakage holes are formed in the surface of the first roller; spiral blades are arranged on the surface of the conveying shaft; one end of the conveying shaft is connected with a driving motor; when rotating, the conveying shaft drives the first roller to rotate back and forth through the transmission mechanism; by arranging the roller mechanism, the screening mechanism and the second roller, large branches, leaves, dust and small branches are separated out in sequence, so that sea buckthorn fruits are well separated, and separation is thorough and clean.

The present application relates to the field of corn food processing equipment, in particular to a kind of fresh corn kernel threshing device and its using method, including feed cylinder and mounting bracket, the feed cylinder coaxially fixed in the outer side of the mounting bracket end face, rotating ring is rotationally arranged in the middle of the mounting bracket, multiple groups of tool holders are arranged around the inside of the rotating ring, and multiple groups of holding frames are arranged in the middle of the rotating ring corresponding to the tool holder, and the rotating ring outside is provided with synchronous disc for supporting the holding frame;The outer circumference of the rotating ring is provided with annular mounting groove matched with the mounting bracket, and multiple groups of holding grooves for accommodating the holding frame are vertically penetrated in the middle of the rotating ring. Advantageous effects are that: the present application can adjust the inner diameter of annular cutter formed by multiple groups of tool holders in real time according to the diameter of different corn cobs, and then realize corresponding cutting and threshing of tender corn cobs, without manual sorting for size classification of corn cobs, more convenient to use, and corn kernel is more thoroughly separated, and the effect is better.

This invention discloses a self-propelled sunflower harvester based on a robotic arm for picking sunflower discs, relating to the field of sunflower harvesting. It includes a header, with several rotating frames mounted behind the header. A robotic arm for grabbing sunflower discs on the header is mounted on each rotating frame. A feeding plate is located behind the rotating frames. A reciprocating assembly is mounted on each rotating frame to drive the robotic arm to move back and forth between the header and the feeding plate. A rotating component is also mounted on each rotating frame to drive the rotating frames to flip and shake off impurities from the sunflower discs when the robotic arm is conveying them. A cutting component is mounted on the feeding plate to cut sunflower disc stem fragments into uniform lengths. This invention, through the coordinated action of the reciprocating assembly and the rotating component, achieves online shaking off of impurities and inverted conveying of sunflower discs, significantly improving the cleanliness of subsequent threshing.

The utility model discloses a kind of Chinese cabbage seed rapid collection devices, it is related to Chinese cabbage seed collection technical field, including collection box, the inside of collection box is provided with collection bin, the inside of collection bin is provided with screening structure, hinged door is hinged to the one side of collection box, threshing structure is provided on the hinged door, the threshing structure is used to make fruit pod from Chinese cabbage plant drop off, fruit pod skin is separated from Chinese cabbage seed, the threshing structure includes threshing bin, the threshing bin is opened on the hinged door, the upper side of the threshing bin is fixedly connected with threshing box, the inside of the threshing box is fixedly connected with fixed plate and slidingly connected moving plate, the side adjacent of the fixed plate and the moving plate is fixedly connected with tooth block, the inside of the threshing box is fixedly connected with symmetrical slide rod;The threshing structure set up can separate Chinese cabbage and Chinese cabbage seed, avoid the problem that Chinese cabbage and Chinese cabbage seed are more complicated to rub open manually.

The invention discloses a logistics simulation regulation and control method, device and equipment for a combine harvester and a medium, and relates to the field of combine harvester simulation, and the method comprises the steps: constructing a logistics simulation model, constructing an MPC model used for determining optimal operation input parameters based on a physical information ash bin model, and constructing a logistics simulation model; the physical information ash bin model is used for determining a prediction quality index, a prediction efficiency index and a prediction risk index based on a logistics simulation model according to operation input parameters and measurement disturbance parameters, and describing state updating of a threshing load level and a cleaning load level based on threshing effective processing capacity and cleaning effective processing capacity; and according to the current operation input parameter and the current measurement disturbance parameter, determining an optimal operation input parameter through an MPC model. According to the method and the device, the physical processes of threshing and cleaning of the combine harvester can be accurately coupled, so that accurate prediction of prediction indexes is realized in a wide load range, and the accuracy of optimization of operation input parameters is improved.

This utility model relates to the field of wheat threshing technology and provides an automatic threshing device for wheat breeding, including a threshing box. A rotating shaft is rotatably connected inside the threshing box. Two symmetrically distributed fixed discs are fixedly sleeved on the outer wall of the rotating shaft. Multiple evenly distributed toothed plates are fixedly connected between the two fixed discs. A feed inlet is provided at the upper end of the side wall of the threshing box. A guide arc plate is fixedly connected to the inner wall of the threshing box. A motor is fixedly connected to the bottom end of the inner wall of the threshing box. A fixed frame is fixedly connected to the side of the threshing box with the feed inlet. A first sliding plate is slidably connected to the inner wall of the fixed frame, and a thrust assembly is fitted between the first sliding plate and the fixed frame. A holding plate is fixedly connected to the first sliding plate, and a squeezing assembly is also provided on the first sliding plate. This utility model has the advantages of avoiding the injury to the human body caused by manually grasping wheat stalks for threshing and effectively improving work efficiency.

The present application relates to the technical field of agricultural machinery, and particularly relates to a double-system harvester for corn-soybean strip composite planting, which comprises a frame, a harvesting table, a corn conveying device, a soybean threshing system and a soybean conveying device; the harvesting table comprises a header support, a corn header and a soybean header; the header support is hinged to the frame and can swing up and down relative to the frame; the corn header is arranged on the header support; the corn header is at least one; the soybean header is arranged on the header support; the soybean header is at least one; the soybean header is arranged in parallel with the corn header; the corn conveying device is arranged on the frame and is used for conveying corn materials output by the corn header; the soybean threshing system is arranged on the frame and is used for soybean threshing and impurity removal; and the soybean conveying device is arranged on the frame and is used for conveying soybean materials output by the soybean header to the soybean threshing system. The present application can realize corn-soybean harvesting on the same machine.

The present invention relates to a rice seed dehulling and sorting device, and more specifically, to a rice seed dehulling and sorting device that improves work efficiency by allowing dehulling and sorting to proceed continuously by dehulling a dehulling machine for removing awns from rice seeds, and sorting chaff and husks from rice seeds from which awns have been removed through the dehulling machine, and then separating and discharging them through separate discharge lines. To this end, the present invention comprises a dehulling unit (10) for feeding rice seeds and removing awns from rice seeds, a conveying unit (20) for moving rice seeds discharged from the dehulling unit (10) to the upper side, and a sorting unit (30) for sorting and discharging rice seeds moved to the lower side through the conveying unit (20) into rice seeds, immature rice seeds, chaff, and husks. The dehulling unit (10) comprises a supply hopper (11) with an upper side open to feed rice seeds, and a falling... provided on the lower side of the supply hopper (11) The apparatus comprises a dehulling body (15) having a drive shaft and a plurality of blades inside a horizontal cylinder to remove awns from rice seeds, a discharge channel (15a) provided on the lower side of the dehulling body (15) to discharge rice seeds, and a first motor (17) mounted on a first ground support (19) provided on the lower side of the dehulling body (15) to rotate the drive shaft; the conveying unit (20) comprises a receiving hopper (21) that receives rice seeds dropped through the discharge channel (15a), a conveyor body (25) that moves rice seeds to the upper side of the receiving hopper (21), and a first hose (27) that moves rice seeds moved to the upper side through the conveyor body (25) to the lower side; and the sorting unit (30) comprises a downwardly inclined first-stage inclined body (41) that receives rice seeds fed through the first hose (27), and the It is composed of a downwardly inclined second stage inclined body (51) provided in the reverse direction at the lower end of the first stage inclined body (41), and a downwardly inclined third stage inclined body (67) provided parallel to the lower side of the second stage inclined body (51), and a first discharge path (43) for discharging rice seeds is provided at the lower end of the first stage inclined body (41).A second hose (45) for discharging chaff and husks separated from rice seeds is provided on the upper side of the first inclined body (41), a second discharge passage (52) for discharging immature rice seeds is provided on the lower side of the second inclined body (51), and a third discharge passage (59) for discharging husks is provided on the lower side of the third inclined body (67). The first discharge passage (43), the second discharge passage (52), and the third discharge passage (59) are provided on a second ground support body (31) in the form of a frame, a handle (35) is provided on the rear side of the second ground support body (31), a wheel (33) is provided on the rear lower side of the second ground support body (31), a connecting hole (21a) is vertically formed on the lower side of the side wall of the receiving hopper (21), and the passage gap of the connecting hole (21a) is adjusted. A rice seed sifting and sorting device is provided, characterized in that a spacing adjustment plate (22) is provided to slide on the upper side of a connecting hole (21a), a vertical elongated hole (22a) is formed on the spacing adjustment plate (22), and an adjustment bolt (23) is provided to be coupled to the vertical elongated hole (22a) to fix the position of the spacing adjustment plate (22).