320 results about "Threshing machine" patented technology

The utility model discloses a lotus seed shed removing machine, including feed inlet, discharge port, twisting unit and transmission unit, twisting unit includes twisting drum, rubber rotor, wire brush strip, silica gel baffle strip, friction separation disc and drive motor, feed inlet is provided above twisting drum, rubber rotor is provided inside twisting drum, and the transmission unit is provided with the friction separation disc. A friction separation disc is arranged at the bottom of the rubber rotor, the bottom of the friction separation disc is connected with an output shaft of the driving motor, silica gel blocking strips are arranged at the edge position of the friction separation disc at equal intervals, and steel wire brush strips are arranged above the friction separation disc. The driven conveying belt is arranged below the friction separation disc, one end of the driven conveying belt is connected with the driving conveying belt through a transmission wheel, and the other end of the driven conveying belt is arranged above the discharging port. The lotus seed hulling machine can improve lotus seed hulling efficiency, reduce lotus seed damage and reduce manufacturing and maintenance cost.

This utility model discloses a corn threshing roller and a corn threshing roller assembly, belonging to the technical field of small agricultural threshers, mainly used for corn threshing. The technical problem to be solved by this utility model is to provide a corn threshing roller, including a rotating shaft and a supporting mechanism. A first layer of threshing ribs is arranged on the supporting mechanism with the rotating shaft as the center, and a second layer of threshing ribs is arranged outside the first threshing ribs. The supporting mechanism includes end supports arranged at the ends of the rotating shaft, and the first layer of threshing ribs is arranged between the end supports. The inner side of the first layer of threshing ribs has space for material passage. A corn threshing roller assembly is also provided, including a first and a second threshing roller arranged in parallel, forming a threshing channel between them. The first threshing roller is the aforementioned corn threshing roller, and the second threshing roller includes a second rotating shaft, a second supporting mechanism, and auxiliary threshing ribs. This utility model can improve the threshing rate and threshing efficiency, reduce the breakage rate, and improve the threshing quality.

The invention discloses a bidirectional clamping feeding type corn single ear thresher, which relates to the technical field of agricultural machinery and comprises a box body, the box body is divided into an upper cavity and a lower cavity through a workbench, clamping threshing devices are symmetrically arranged on the left side and the right side of the upper cavity, and an ear placing device is arranged between the two clamping threshing devices. A screen plate for screening corn kernels and corncobs is obliquely arranged in the lower cavity; the clamping and threshing device comprises a first sliding rail transversely arranged in the upper cavity, a clamping and threshing shell slidably clamped to the first sliding rail through a sliding rail base, and a first linear driving mechanism driving the clamping and threshing shell to reciprocate along the first sliding rail. The clamping and threshing module is arranged at the end, close to the ear placing device, of the clamping and threshing shell, and the composite driving mechanism is arranged in the clamping and threshing shell and drives the clamping and threshing module to move and rotate. According to the scheme, corn ears are clamped in a self-adaptive mode through the clamp, and feeding type or rotary rubbing type threshing is carried out through the self-adaptive cutter.

The utility model provides a self-propelled sunflower harvester, which belongs to the technical field of agricultural machinery and structurally comprises a self-propelled vehicle machine and a frame, a header is arranged at the front end of the frame, and a primary conveyor and a secondary conveyor are communicated with the rear of the header. The rear part of the secondary conveyor is communicated with a thresher; a screening mechanism is arranged below the thresher, and the screening mechanism is composed of a first-stage vibrating screen which is composed of a swinging fish scale screen and rushes backwards, and a second-stage vibrating screen which is composed of a swinging stepped dense mesh screen and rushes forwards; the screening mechanism communicates with the conveying and lifting mechanism. The conveying and lifting mechanism comprises a transverse auger and a bucket elevator. And the conveying and lifting mechanism is connected with the grain collecting hopper. The sunflower seed and sunflower disc separating device can achieve good separation of sunflower seeds and sunflower discs, the sunflower seeds and the sunflower discs are respectively conveyed in two paths during threshing, and simple and efficient threshing separation can be achieved. The threshing process is automatically completed, manpower and material resources are saved, and good harvesting and harvesting effects are achieved.

The utility model relates to the field of agricultural machinery, in particular to a small combine harvester special for mung beans, which is used for solving the problems that manual harvesting of mung beans in hills and mountains is low in efficiency and high in cost and traditional machinery is not applicable. The harvester comprises a chassis, a control system based on Arduino UNO, a harvesting mechanism, a conveying mechanism, a threshing mechanism and a cleaning mechanism. The harvesting mechanism is located in front of the chassis; the conveying mechanism is located behind and used for conveying the cut plants; the threshing mechanism is located on the upper side of the cleaning mechanism, and stalks and pods are separated through centrifugal force generated by rotation of a threshing roller; the cleaning mechanism is arranged on the upper side of the chassis and is driven by a belt wheel and a gear, and vibration of a combined sieve is matched with airflow of a cross-flow fan to separate pod shells from mung bean seeds; the chassis is provided with a storage box for storing mung beans. Working of the whole machine is remotely controlled by mobile phone software. Through threshing and harvesting integration, the efficiency is improved, and the mung bean quality is kept; the structure is compact and adapts to hilly terrains; the remote operation simplifies the control difficulty and improves the working environment of workers.

1. Name of the Design Product: Corn Thresher. 2. Use of the Design Product: For corn threshing and processing. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View.

The invention provides a high-water-content corn threshing mechanism based on a PLC system, and relates to the technical field of agricultural machinery. The device is composed of a power and transmission mechanism, a gap bridge mechanism, a feeding mechanism, a threshing mechanism, a control system and a machine shell. The power and transmission mechanism dynamically adjusts the rotating speed of an engine to realize linkage speed regulation of the whole machine; a chain harrow conveying assembly of the gap bridge mechanism stably conveys corn crops; the feeding mechanism guarantees continuous supply of crops; the threshing mechanism adopts an optimally designed longitudinal axial flow threshing cylinder, so that the threshing efficiency and quality are improved. The control system collects data in real time, calculates blockage risk factors based on a PLC, intelligently adjusts the speed and prevents blockage. By means of the high-water-content corn threshing mechanism based on the PLC system, the problems that due to the fact that traditional equipment depends on manual adjustment, the grain breakage rate is high, threshing is not thorough, and blocking is caused are solved, the operation loss rate and energy consumption are remarkably reduced, and the corn direct harvesting efficiency is improved.

The invention relates to the technical field of agriculture, in particular to a mechanized efficient tartary buckwheat harvesting method which comprises the following steps: cutting plants at a position 10-15 cm away from the ground by adopting a cutter-rower, and keeping the ground clearance of the bottom ears of formed strip paving at 20-30 cm to form a natural ventilation channel; the green seeds are cut and dried in the sun and then laid in the field for 3-5 days without turning over, uniform drying is promoted through the fluffy structure of the plants, and the green seeds are subjected to after-ripening and synchronous dehydration in the laid strips; a threshing machine is adopted to operate the aired strip-shaped laying, a threshing device of the threshing machine drives a roller with an elastic element at the rotating speed of 400-600 rpm, seeds are separated through mutual rubbing of plants under the large gap of 15-25 mm, the breakage rate of the seeds is smaller than 2%, and the comprehensive loss rate is smaller than 5%. And scientific harvesting opportunity, energy saving in the airing process and low loss of threshing operation can be achieved, and the efficiency, quality and economic benefits of mechanical harvesting of tartary buckwheat are greatly improved.

The utility model discloses a threshing mechanism for a corn thresher, which relates to the technical field of corn threshing and comprises a frame, a screen is fixedly mounted in the top surface of the frame, a receiving tray is fixedly mounted in the frame below the screen, a threshing mechanism body is mounted on the top surface of the frame, and the threshing mechanism body is mounted on the top surface of the frame. The threshing mechanism body comprises a bearing seat, under the cooperation of positioning pieces installed at the two ends of each installation rod and corresponding positioning grooves, installation and positioning of swinging hammers installed on the surfaces of the installation rods between the two installation discs are completed, and after positioning is completed, through the cooperation of positioning sleeves, corresponding positioning insertion blocks and threaded buckles, the swinging hammers are installed on the surfaces of the installation rods. The positioning sleeves are mounted and fixed on the surfaces of the corresponding mounting discs, so that the swinging hammers are mounted and fixed between the two mounting discs, mounting rods for mounting the swinging hammers are convenient to disassemble and assemble, and the problems that most mounting rods for existing threshing mechanism swinging hammers are fixed in a welding mode, and the swinging hammers are inconvenient to disassemble, assemble and replace are solved.

The utility model provides a corn seed thresher which comprises a threshing tank, a splash guard and a light swing plate, a support is installed at the lower end of the threshing tank, a bottom plate is installed at the lower end of the support, a servo motor is arranged on the left side of the upper end of the bottom plate, a driving wheel is installed at the left end of the servo motor, and a threshing shaft is horizontally installed in the threshing tank through a bearing. A spiral extrusion column is installed on the annular side face of the threshing shaft, and a plurality of threshing blocks are installed on the outer side of the spiral extrusion column, so that the problems that when corn is threshed by an original device, the corn needs to be manually scooped up and fed, the physical strength of workers is wasted, and meanwhile, the corn is splashed to surrounding people in the threshing process are solved; according to the electrically-driven swing type feeding structure, corn does not need to be scooped up and fed manually, labor is saved on the whole, and meanwhile, a splash-proof structure is arranged, so that corn kernels are effectively prevented from splashing to surrounding personnel.

The threshing machine smashing assembly comprises a smashing bin, a smashing roller, a sleeving ring, a mounting plate and a baffle, a maintenance groove is formed in the top end of the smashing bin, a bin cover is hinged to the edge of an opening of the maintenance groove, the smashing roller is movably mounted between the left inner side wall and the right inner side wall of the smashing bin, and limiting strips are fixedly connected to the upper side and the lower side of the surface of the smashing roller; a sleeving ring is movably connected to the surface of the crushing roller in a sleeving manner, a plurality of mounting grooves are uniformly formed in the surface of the sleeving ring in a circumferential array distribution manner, mounting plates are transversely and slidably connected to the inner sides of the mounting grooves, and crushing blades are fixedly mounted on the surfaces of the mounting plates; the distance and the number of the smashing blades are changed by freely adjusting the positions and the number of the sleeving rings, so that smashing operation of different degrees is conducted, the smashing blades are convenient to disassemble and assemble, and the practicability of the device is high.

The invention relates to the technical field of corn harvesters, and discloses a corn harvester with a low-loss threshing structure.The corn harvester comprises a machine body, a threshing shell is installed on one side of the top of the machine body, a threshing mechanism is arranged in the threshing shell, and the threshing mechanism comprises a corn kernel bin; the outer wall of the corn kernel bin is fixedly connected to the inner wall of the threshing shell, a material bin is arranged in the corn kernel bin, a fixing block is installed on the inner wall of the bottom of the material bin, a fixing base is rotationally connected to the top end of the fixing block, and a cylinder is fixedly connected to the top of the fixing base; the inner wall of the bottom of the threshing shell is fixedly connected with a supporting frame. According to the corn thresher, the hammer head rotating at a high speed is adopted, and an air blowing mechanism and a vibration mechanism in the auxiliary threshing assembly are combined, so that the flowing speed of corn in the barrel is effectively increased, the staying time of the corn in the barrel is shortened, the breakage rate of corn kernels is reduced, and the commodity quality and the subsequent processing and utilization value of the corn kernels are effectively improved.

The invention belongs to the field of millet harvesters, and particularly relates to a millet ear and stalk synchronous harvesting and threshing all-in-one machine which comprises a rack, walking wheels and a harvesting mechanism, the harvesting mechanism comprises clamping conveying belts and an ear pulling device, the clamping conveying belts are arranged in a bilateral symmetry mode to form clamping seams, a cutting-off device is further arranged at the tail ends of the clamping conveying belts, and the ear pulling device is arranged on the rack. The cutting wood extending above the clamping conveying belt is shifted to one side of the clamping conveying belt, and a header mechanism is further arranged and is connected with a threshing mechanism. The clamping conveying belt is adopted for clamping the whole millet, scions overhang above the clamping seam, along with advancing of the traction device, the millet moves to the scion pulling device along with the clamping conveying belt, the scions are pulled to one side of the clamping conveying belt through the scion pulling device, then the scions are cut off through the header mechanism and fall into the threshing mechanism, and then the millet is threshed. Synchronous harvesting and threshing operation of millet ears and stalks are achieved, the straw content during millet threshing is reduced, and the added value of millet planting is increased.

The utility model provides a discharge chute of a corn thresher and the corn thresher, which are convenient for winnowing corns discharged by the corn thresher and have a good winnowing effect, and relates to the technical field of corn threshers. The discharging groove of the corn thresher comprises a discharging groove body, and at least two layers of material dripping plates which incline in the same direction and are sequentially arranged in a bearing mode are arranged in the discharging groove body from top to bottom. For every two adjacent layers of material dripping plates, a gap is formed between the lower end of the upper layer of material dripping plate and the lower layer of material dripping plate so that a winnowing channel can be formed, an opening is formed in the lower end of the winnowing channel, and therefore air can enter the winnowing channel from the lower end of the winnowing channel, and an air outlet is formed in the high end of the winnowing channel. And besides the material flowing plate on the lowest layer, material blocking plates which are transversely arranged and used for blocking materials are correspondingly arranged above the other layers of material flowing plates, and gaps are formed between the material blocking plates and the corresponding material flowing plates so as to form material passing channels. The product quality of the thresher can be improved.

The utility model discloses a threshing machine which comprises a main machine frame, a main threshing cylinder and a track cylinder are arranged on the top of the main machine frame, and a gap of 8-15 mm is formed between the main threshing cylinder and the track cylinder. The track roller is arranged on the driving chain wheel and the driven chain wheel; a roller screen is arranged below the main threshing roller and the crawler belt roller, a middle-layer material collecting bin is arranged below the roller screen, a vibrating screen is arranged below the middle-layer material collecting bin, a threshing bin cover is arranged above the main threshing roller and the crawler belt roller, and a feeding hopper is arranged on one side of the main threshing roller of the threshing bin cover. A discharging baffle is arranged on one side of the crawler belt roller of the threshing bin cover. Through double threshing and an optimized separation process, the threshing efficiency and the crop processing speed are remarkably improved. Due to the improved separation and deslagging mechanism, the blockage phenomenon is effectively reduced, and the continuous operation of the machine is guaranteed. The energy-saving corn thresher is more energy-saving in the aspects of threshing, separating, deslagging and cleaning, and is favorable for improving the crop yield and the working efficiency.

The utility model relates to the technical field of corn yield measuring equipment, and discloses intelligent yield measuring equipment for corn plot breeding, which comprises a sequencing separator, an appearance data acquisition machine, a thresher, a hoister and a tester, the outlet of the sequencing separator is connected with one end of the appearance data acquisition machine, and the other end of the appearance data acquisition machine is connected with the thresher; one end of the shape data acquisition machine is connected to an inlet of the sorting separator, the other end of the shape data acquisition machine is connected to an inlet of the thresher, an outlet of the thresher is connected with one end of the elevator, and the other end of the elevator is connected to the tester. Corn ears are arranged in a row by a sorting separator and sent to an appearance data acquisition machine, then sent to a thresher for threshing, and then sent to a tester by an elevator to detect the moisture and the quality of the corn kernels, so that the appearance data of all corn ears in a cell, the moisture content of the corn kernels and the total quality of the corn kernels are obtained; and the yield measurement work of corn plot breeding can be conveniently and quickly completed.

The utility model discloses a threshing machine for sesame threshing, which relates to the technical field of agricultural machinery and comprises a box body, a feed inlet, an extrusion mechanism and a screening mechanism. The feeding port is fixedly formed in the left side of the box body, a discharging port is formed in the right side of the box body, and an extrusion mechanism used for sesame threshing is fixedly arranged at the front end of the box body. The synchronous motor drives the stirring wheel to rotate and extrude the floating ball to enable the sliding rod to slide, the reset spring enables the sliding rod to reset, the sliding rod drives the sieve plate to move up and down to screen sesame grains, the sliding door is pulled open, discharging is achieved through inclination of the sieve plate, overall operation is easy and convenient, work efficiency is improved, and convenience is brought to operators. Straw is rapidly thrown out of the box body through centrifugal force and the design of the guide plate, the straw and sesame seeds are efficiently separated, the threshing efficiency is improved, operation is easy and convenient, and practical production and application are facilitated.

A novel threshing machine comprises a harvesting machine frame, power equipment, a transmission device, a seedling pulling device, a cutting device, a threshing device, a conveying belt and a storage device, the power equipment is installed on the lower side of the harvesting machine frame, the transmission device is installed on one side of the harvesting machine frame and connected with the power equipment, and the transmission device is connected with the seedling pulling device, the cutting device, the conveying belt and the threshing device. The seedling pulling device is installed on the front side of the harvester frame, the cutting device and the threshing device are sequentially installed in the harvester frame, a discharging port and an impurity discharging port are formed in the lower side and the rear side of the harvester frame, the discharging port is provided with a filter screen, the input end of the cutting device is arranged relative to the output end of the seedling pulling device, and the output end is arranged relative to the input end of the conveying belt. The input end of the threshing device is arranged relative to the output end of the conveying belt, the output end is arranged relative to the discharging port, the storage device is installed on the outer side of the harvester frame, and the input end of the storage device is communicated with the discharging port. According to the design, the structure is simple, functions are diversified, and stability is high.

The utility model discloses a continuous type amomum tsao-ko threshing, ear-removing and grading device, relates to the field of amomum tsao-ko processing, solves the problem that an existing device cannot conduct full-automatic threshing and grading screening on amomum tsao-ko according to requirements, and adopts the following scheme that the continuous type amomum tsao-ko threshing, ear-removing and grading device comprises a threshing mechanism and a grading screening mechanism on the bottom side of the threshing mechanism; the threshing mechanism comprises a cylinder body and a grain separating assembly on the top side of the cylinder body, an inclined material guiding plate is fixedly installed on the bottom side of the grain separating assembly, and a discharging notch located in the top side of the material guiding plate is formed in the bottom side of the grain separating assembly; according to the continuous type amomum tsao-ko threshing, ear-removing and grading device, due to the arrangement of the threshing mechanism and the grading assembly on the inner side of the threshing mechanism, efficient fan blade striking can be conducted on amomum tsao-ko in the threshing mechanism, and therefore the efficient threshing effect is achieved; and the separated ear stalks and the amomum tsao-ko with different radiuses can be efficiently classified and screened by utilizing the screening roller group and the roller shaft.

The harvesting and threshing machine comprises two side plates which are oppositely arranged, a threshing part is arranged at the rear end between the two side plates, a threshing roller is rotationally arranged in the threshing part, an opening is formed in the front side of the threshing part, and a clamping and lifting part is arranged at the opening; the clamping grain lifting part comprises a mounting part connected with the threshing part, a plurality of clamping grain lifting bodies which are adjacent in sequence are arranged on the mounting part, a discharging opening is formed in the rear side of the threshing part, a transverse cutting knife assembly is arranged on the lower side of the clamping grain lifting part, a roller is rotationally arranged on one side plate, and the other side plate is rotationally arranged on the other side plate. A vertical cutter assembly is arranged on the side plate provided with the roller. The rape harvester has the advantages that rape on the side face of the harvester can be stably fed into the harvester to be harvested and threshed, and therefore the rape on the side face of the harvester can be effectively harvested.

The anti-blocking mechanism of the threshing machine comprises a material receiving barrel, fixing frames are fixedly connected to the two sides of an inner cavity of the material receiving barrel, embedded grooves are formed in the bottoms of the fixing frames, and filter screens are fixedly connected to the opposite sides of the two embedded grooves through elastic sealing connecting belts. And one side of the elastic sealing connecting belt is fixedly connected with the inner cavity of the material receiving cylinder. The utility model relates to the technical field of threshers. According to the anti-blocking mechanism of the threshing machine, during filtering, steel wire pull ropes are pulled to move up and down through electric hoists on the two sides respectively, a filter screen is driven to irregularly vibrate left and right below an embedded groove, vibration filtering is carried out, omission is prevented through arrangement of an elastic sealing connecting belt, and the anti-blocking mechanism is convenient to use. During vibration, a poke rod can be driven to poke in the crops, the descending speed of the crops is increased, and the filtered crops fall into the lower part and are output through a discharge port.

The utility model provides a pressing plate adjusting mechanism of a corn thresher and the corn thresher, and relates to the technical field of corn threshers. A pressing plate adjusting mechanism of a corn thresher comprises a mounting base, a floating plate, a pressing plate adjusting handle and a pressing plate contact piece. The floating plate is arranged above the mounting seat and is in vertical sliding connection with the mounting seat, and a compressible reset spring is arranged between the floating plate and the mounting seat; the pressing plate contact piece is arranged below the floating plate and is in vertical sliding connection with the floating plate, and a compressible receding spring is arranged between the pressing plate contact piece and the floating plate; the pressing plate adjusting handle is arranged on one side of the floating plate and hinged to the mounting base through a horizontal hinged shaft arranged between the two ends, an operation part is formed at one end of the pressing plate adjusting handle, and a pressing part connected with the floating plate to enable the mounting base to slide downwards is formed at the other end of the pressing plate adjusting handle. The pressing plate adjusting device can improve the pressing plate adjusting efficiency.

The utility model discloses a multifunctional gear-shifting type threshing machine which comprises a threshing machine body, a feeding port and a discharging port are formed in the threshing machine body, a threshing mechanism is installed in the threshing machine body, a gear-shifting mechanism is arranged on one side of the top of the threshing mechanism, and the gear-shifting mechanism comprises a plurality of installation plates. A guide plate is fixedly connected to the top end of each mounting plate through a mounting bolt, a locking bolt is fixedly connected to the bottom end of each mounting plate, and a locking hand wheel is arranged on each locking bolt. According to the multifunctional gear-shifting type threshing machine, constraint on the guide plate is relieved by rotating the locking hand wheel, then the guide plate is rotated, the angle of the guide plate is adjusted, after adjustment is completed, the locking hand wheel is reversely rotated, the guide plate is fixed, and adjustment of multiple gears is conducted; therefore, the threshing time in the threshing machine body can be adjusted according to different crops, the threshing effect is improved, and the threshing loss rate can be effectively reduced.

The present application provides a kind of corn threshing screening device, it is related to corn threshing screening technical field, including: screening plate is obliquely arranged in the discharge port below corn thresher, screening plate is provided with through slot in the surface of being penetrated up and down, the inner diameter of through slot is less than the outer diameter of corn cob;First conveying mechanism is arranged below screening plate, and first conveying mechanism is used to convey corn kernel to screening mechanism.Collecting cylinder is linked with the lower end of screening plate, for collecting corn cob.Corn is separated into corn kernel and corn cob by corn thresher and discharged to screening plate by discharge port, due to the inclination of screening plate, corn kernel and corn cob will slide down, in the process, corn kernel falls into first conveying mechanism along through slot, corn cob continues to slide along screening plate until falling into collecting cylinder, realizes the effect of automatic separation of corn kernel and corn cob.Corn kernel is further removed by screening mechanism Moldy corn kernel, so as to realize the effect of automatic screening of corn kernel.

The invention relates to the technical field of harvesters, and discloses a small crawler-type harvesting and straw collecting all-in-one machine suitable for mountain operation and a use method.The small crawler-type harvesting and straw collecting all-in-one machine comprises a bottom plate, a movement mechanism is connected to the bottom plate and used for driving a machine body to move, and a threshing mechanism is arranged on the bottom plate; the header descending stroke is increased, and the harvesting stubble height is reduced; trafficability and stability of the machine tool walking on mountainous regions and sloping fields are enhanced, and the risk of overturning during operation is reduced; threshed straw can be collected through a special straw conveying and recycling device, and straw waste caused by the fact that the straw is thrown to the ground is avoided. Ear heads and grains falling on the edge of the header when stalks are sheared are conveyed to the position below a spiral barrel of the header through a brush roller on the header, the ear heads are conveyed to a feeding opening along with rotation of the spiral barrel, and loss of the ear heads of the header is reduced; and the auxiliary cutting knife below the header is used for carrying out secondary shearing on the stubbles, so that the height of the straw stubbles is reduced.

The utility model discloses a spiral conveying type combine harvester structure which comprises a harvester body, two supporting panels are installed at the front end of the harvester body, a grain pulling wheel and a cutter are jointly installed at the front ends of the two supporting panels, a conveying mechanism is installed between the two supporting panels, the conveying mechanism is of a spiral conveying structure, and the grain pulling wheel and the cutter are arranged on the spiral conveying structure. Crops are spirally conveyed into the threshing mechanism through the conveying mechanism; in the process of conveying crops, the harvester relates to the technical field of harvesters, a conveying mechanism is arranged between two supporting panels, a plurality of screw rods are arranged in the conveying mechanism, the cut crops are conveyed into a supporting seat by a header screw propeller, and the crops are extruded and cut by the screw rods; and the crops are cut, so that the crops are more easily threshed after entering the threshing mechanism, the threshing efficiency of the crops is improved, and the blocking frequency of the crops in the threshing mechanism is reduced.

The invention relates to a rice and wheat in-situ yield measurement device, system and method, and relates to the technical field of yield measurement, the rice and wheat in-situ yield measurement device comprises a mounting assembly, a separation assembly, a detection assembly and a display module, feeding, threshing, impurity removal and detection structures are integrated into a whole, the structure is compact, an operation handle is held by hand to move to any point in the field, and operation is convenient. Rice and wheat crops are inserted into the feeding opening, the separation assembly can discharge impurities such as glume shells, stems and leaves to the periphery of the roots of the plants, a covering layer is formed, water evaporation is reduced, organic matter is supplemented, additional collection bags are not needed, and zero-material-consumption and zero-waste green operation is achieved; particle parameters and position parameters are obtained and displayed through the display screen immediately, a traditional threshing machine, a traditional cleaning machine and a traditional table type metering device do not need to be carried for dispersed operation, multiple times of detection can be carried out at the same place, and the accuracy of yield indexes is improved.

The utility model relates to the technical field of corn threshers, in particular to a drum-type corn thresher which provides a place for corn threshing through a threshing drum, conveys corn through a conveying device, threshes the corn through a threshing device and removes dust through a dust removal device. Comprising a supporting device; the corn thresher further comprises a threshing cylinder, a conveying device, a threshing device and a dust removal device, the threshing cylinder is installed on the supporting device, and the conveying device, the threshing device and the dust removal device are all installed on the threshing cylinder; the threshing cylinder provides a place, the conveying device conveys, the threshing device threshes, and the dust removal device removes dust.