431 results about "Threshing machine" patented technology

The invention relates to a corn thresher. The device comprises a machine frame, threshing mechanisms and a driving mechanism, the machine frame is provided with a plurality of sets of threshing mechanisms, each threshing mechanism comprises a charging barrel, a threshing hopper and a centering assembly, the charging barrels are fixedly installed on the machine frame in the vertical direction, the threshing hoppers are installed at the bottoms of the charging barrels, and the centering assemblies are fixedly installed on the machine frame. A centering assembly used for adjusting the axis position of a corn cob is further installed on the charging barrel, and the corn cob and the threshing hopper can be kept concentric through the centering assembly. Driving mechanisms in one-to-one correspondence with the threshing mechanisms are installed on the machine frame, corn cobs can be punctured and fixed through the driving mechanisms, the corn cobs are driven to rotate and ascend and descend, and therefore the corn cobs are threshed in cooperation with the threshing hopper. According to the scheme, mechanical centering can be conducted on the corn cobs, assistance of workers is not needed, the axis of the corn cobs and the rotation center of the corn cobs are recombined, and the threshing quality is guaranteed.

The invention discloses a self-propelled soybean plot thresher, and belongs to the technical field of soybean threshers, the self-propelled soybean plot thresher comprises a pull-out mechanism for pulling out soybean plants and shaking off soil on the soybean plants, and the pull-out mechanism is provided with a lifting mechanism for lifting the soybean plants with soil removed and a separating mechanism for separating soybeans from the plants; the pulling-out mechanism can automatically pull out soybean plants in soil, soil carried by the soybean plants is automatically removed in cooperation with the soil shaking module, then the soybean plants are crushed through the separating mechanism, soybeans are separated from the plants, and then the soybeans are independently collected through the characteristics that the surfaces of the soybeans are smooth and spherical. The automation degree is high, and the continuity is good; the separating mechanism can drive the threshing machine to move, soybean plants are pulled out, soil is removed, the soybean plants are crushed, and the soybeans and the plants are separated and collected while the threshing machine moves, and self-walking is achieved.

The invention relates to the technical field of intelligent agriculture, in particular to an intelligent multifunctional grain threshing method and system. The method comprises the following steps that a conveying belt device is controlled to evenly convey grains to be threshed to an inlet of a threshing device, a photoelectric sensor is controlled to detect the number and speed of the conveyed grains, and grain conveying data are generated; generating threshing strength and speed parameters according to the grain conveying data, and respectively obtaining threshing strength parameter data and threshing speed parameter data; performing threshing operation of the thresher according to the threshing strength parameter data and the threshing speed parameter data, and monitoring the pressure of the cavity of the thresher to obtain threshing pressure data; and performing threshing effect evaluation according to the threshing pressure data to obtain threshing effect evaluation data, and performing optimization adjustment on the threshing strength parameter data and the threshing speed parameter data according to the threshing effect evaluation data to obtain real-time threshing optimization parameter data. The threshing efficiency can be improved, and the grain quality can be guaranteed.

The utility model discloses a full-automatic green prickleyash lower pile type threshing machine, belongs to the technical field of agricultural machinery, and relates to mechanical equipment for picking and threshing green prickleyash. The device mainly comprises a crawler, a mechanical arm, a multi-layer automatic threshing device and a collecting frame. The crawler is arranged below the thresher and is used for moving the whole thresher; the mechanical arm is arranged above the threshing machine and used for shearing pepper branches and conveying the pepper branches into the multi-layer automatic threshing device; the multi-layer automatic threshing device is used for automatically threshing pepper branches; the collecting frame is used for collecting Chinese prickly ash fruits; according to the green prickleyash harvester, full-automatic piling type picking and threshing integration of green prickleyash is achieved, full automation of the green prickleyash harvesting process is achieved, the labor intensity of green prickleyash picking is greatly reduced, and the green prickleyash picking efficiency is improved.

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.

The utility model relates to an on-line blade structure sampling device, which comprises a rack, a sampling device and a sampling device, the hopper is movably arranged on the rack; the driving assembly drives the hopper to reciprocate between a first position and a second position; when the hopper moves to the first position, the hopper can cut off and receive the blades penetrating through the receding window, and when the hopper moves to the second position, the blades fall down and penetrate through the receding window. The crushed leaves are discharged by the leaf threshing machine and penetrate through the receding window in the rack in the process of falling towards the conveying belt, the hopper can reciprocate between the first position and the second position on the rack under the action of the driving assembly, in the first position, the hopper cuts off the falling leaf structure and receives the leaves, in the second position, the hopper cuts off the falling leaf structure, and in the third position, the hopper cuts off the falling leaf structure. After sufficient leaves are received, the hopper is moved to the second position to stop receiving, so that the leaves processed by the threshing machine can be sampled integrally and uniformly, the sampling is more uniform, and the accuracy of subsequent detection results is ensured.

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.

A threshing mechanism of the small-grain type bean combine harvester is used for separating grains from straw and threshing the grains, a screening mechanism is located below the threshing mechanism and used for receiving the grains, and a first receiving mechanism and a second receiving mechanism are sequentially arranged below the screening mechanism. The material screening mechanism enables grains to be conveyed from front to back through vibration, the grains which are successfully threshed leak the material screening mechanism and fall into the first material receiving mechanism, the first material receiving mechanism is connected with the grain box to collect the grains, and the grains which are not successfully threshed fall into the second material receiving mechanism from an outlet of the material screening mechanism. The second material receiving mechanism is connected to the threshing mechanism and is used for conveying unsuccessfully threshed grains back to the threshing mechanism for re-threshing operation; and the discharging fan works to provide wind power, so that the straws and the threshed shells are blown to the grass collector at the output end. The process of screening and threshing is mechanically completed, seed collection and impurity collection are completed, manual operation is replaced by a machine, the harvesting efficiency is improved, and the labor cost is reduced.

The utility model provides a corn threshing device, which relates to the technical field of corn threshing devices and comprises a device body and a threshing mechanism, a dredging mechanism is mounted at the bottom of the threshing mechanism, the threshing mechanism comprises a mounting frame, a threshing box is fixedly connected to the surface of the mounting frame, and corn kernel discharge holes are formed in the bottom of the threshing box. According to the device, a third belt wheel is driven by rotation of a first transmission shaft to rotate, similarly, a second connecting belt and a fourth belt wheel are made to rotate under the rotation effect of the third belt wheel, and at the moment, the fourth belt wheel drives a second transmission shaft and a cam to rotate; under the pushing action of a cam, a limiting head and a connecting plate reciprocate up and down, the connecting plate reciprocates up and down to drive a push plate and a dredging rod to move up and down, a corn kernel discharging hole in the bottom of the threshing box is pulled and inserted back and forth through the dredging rod, and the corn kernel discharging hole is prevented from being blocked.

The utility model provides a corn thresher capable of reducing abrasion of a corn baffle on a threshing side and improving threshing efficiency and effect, and relates to the technical field of agricultural machinery. The corn thresher comprises a threshing bin and at least one threshing roller arranged in the threshing bin, the threshing bin comprises a corn baffle and a cover plate, the corn baffle is arranged on the side face of the threshing roller, the corn baffle is covered with the cover plate, the corn baffle and the cover plate define the threshing bin, the corn baffle is provided with a material blocking part bent towards the interior of the threshing bin, and the material blocking part is arranged on the threshing bin. Protruding threshing strips are installed on the inner side face of the material blocking part of the corn baffle on the threshing side. The service life of the rice baffle is prolonged.

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 relates to the technical field of corn seed processing, in particular to a corn husking and threshing device which comprises a lifting conveying mechanism, a husking mechanism, an air blowing mechanism and a threshing mechanism, and a plurality of sets of supporting legs are arranged on the two sides of the husking mechanism and the two sides of the threshing mechanism respectively. According to the corn husking machine, by arranging the air blowing mechanism and the corn husk discharging opening, residual corn husks in the husking bin are discharged in a centralized mode, and the subsequent working procedures cannot be affected; differential type threshing is adopted, the differential threshing principle is utilized, clusters are made to generate ordered composite motion, it is guaranteed that grains are threshed in order, the low-impact and efficient threshing effect is achieved, the breakage rate is low, the non-threshing rate is low, and corncobs are intact; a group of first husking rollers and a group of second husking rollers are arranged in a U shape, so that corn ears can be stably supported and coated, the friction force is reduced in the husking process, and the integrity of corn kernels is protected.

The utility model discloses a combine harvester thresher for lentils, which comprises a frame, a motor driving component is mounted in the frame, and a self-walking wheel and a steering wheel are mounted on two sides of the bottom end of the frame respectively. Through the arrangement of the threshing and stem-breaking roller, the threshing box, the crushing roller, the group handrail, the threshing cylinder and the threshing nails, the automatic threshing effect is achieved, under the driving cooperation of the conveying belt, harvested hyacinth beans can be effectively conveyed to the threshing and stem-breaking roller, the threshing and stem-breaking roller is composed of the 12-angle crushing roller and the box body, and the threshing effect is good. In the threshing cylinder, the threshing roller is composed of six groups of threshing nails, each group of threshing nails comprises 16 threshing nails, the threshing roller is matched with a threshing shell provided with a transverse threshing cylinder to complete threshing, beans are completely separated from bean shells, and the bean shells, the stems and the leaves and all the beans are sent out from the lower portion of the threshing roller. Therefore, the threshing efficiency is improved.

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.

The utility model relates to the field of agricultural harvesting machinery, and discloses a threshing device which comprises a feeding roller and a threshing mechanism which are sequentially arranged in the incoming material direction, the threshing mechanism comprises a threshing cylinder, the rotating direction of the threshing cylinder is perpendicular to the incoming material direction, and the rotating direction of the feeding roller is perpendicular to the rotating direction of the threshing cylinder. A feeding part and a threshing part are sequentially arranged on the threshing cylinder in the incoming material direction, the feeding part comprises a feeding conical cylinder, a spiral blade is arranged on the feeding conical cylinder, and a reinforcing blade is detachably mounted on the spiral blade. According to the threshing device, crops can be pre-threshed, meanwhile, the threshing cylinder can be conveniently overhauled, the threshing effect and the threshing quality are improved, and the maintenance efficiency of workers is further improved. In addition, the utility model further relates to a harvester comprising the threshing device.

The utility model discloses a cyperus esculentus primary selection threshing separation device, and belongs to the technical field of agricultural machinery. The utility model aims to provide a cyperus esculentus primary selection threshing and separating device which improves the cyperus esculentus separating effect by changing threshing and separating equipment. One end of a threshing bin is a separated bean leaf outlet, and the other end of the threshing bin is an unseparated bean leaf inlet; a threshing separation main shaft and a screen drum shaft are installed on the two side walls of the threshing bin through bearings, a main shaft gear and a screen drum shaft gear are installed on the threshing separation main shaft and the screen drum shaft respectively, a threshing mechanism is installed on the portion, inside the threshing bin, of the threshing separation main shaft, and a screen drum is installed on the portion, inside the threshing bin, of the screen drum shaft. The utility model has the beneficial effects of simple structural design and small running resistance. The combined design of the arch teeth and the spike teeth can effectively improve the threshing rate and the harvesting efficiency of corn kernels, reduce the kernel damage rate, remove soil and part of grass through the screen drum, and reduce the phenomenon that screen holes are blocked.

The utility model relates to the technical field of agricultural machinery, and discloses a double-roller thresher convenient for collection, which comprises a rack, a thresher cylinder is fixedly mounted at the top end of the rack, a collection box is placed at the top end of the rack, and a first roller and a second roller are movably mounted in the thresher cylinder. A fence is installed in the threshing machine barrel, a feeding pipe is installed on the right side of the top end of the threshing machine barrel, a feeding hopper is fixedly connected to the top end of the feeding pipe, a discharging opening is fixedly connected to the bottom end of the threshing machine barrel, and a cob discharging opening is formed in the left side of the front end of the threshing machine barrel. According to the double-roller thresher convenient to collect, cobs can be collected through the collecting bag at the bottom of the cob discharging opening, threshed grains can be discharged from the discharging opening, corn grains can enter the collecting box, the collecting bag is taken down from the lower portion of the cob discharging opening during material taking, then the collecting box is taken down from the machine frame, and concentrated material collecting is achieved; the problem of inconvenient collection is solved.

The utility model discloses a remote control self-propelled small-sized sugarcane threshing machine, which relates to the technical field of agricultural machinery and comprises a machine body side cross rod, a gasoline engine is fixed at the upper end of the machine body side cross rod, a power input shaft is arranged on the surface of the gasoline engine, and a transfer case is in transmission connection with the surface of the power input shaft. The two sides of the transfer case are in transmission connection with a first power shaft and a second power shaft respectively, the other end, opposite to the transfer case, of the first power shaft is in transmission connection with a speed changer, the gasoline engine is used for outputting power, and the threshing function and the self-walking function of the threshing machine can be achieved at the same time; the steering of the threshing machine and the rotation stop of the threshing roller can be remotely controlled through the control cabinet; in addition, the wheel distance between the front axle and the rear axle in the walking device is the same as the width of a sugarcane ridge for planting sugarcanes in hilly and mountainous regions at present, so that the walking device is convenient to move in sugarcane fields.

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 utility model discloses an electric small-sized corn thresher, which comprises a supporting seat, a corn thresher and a corn thresher, the threshing cylinder comprises an annular connecting cylinder and threshing teeth arranged at the top of the connecting cylinder, one end of the connecting cylinder is connected with the mounting hole in an inserted mode, the threshing teeth are fixed to the other end of the connecting cylinder, the threshing teeth are right triangle teeth, the right-angle sides of the threshing teeth are parallel to the axis of the connecting cylinder, and the multiple threshing teeth are arranged around the axis of the connecting cylinder at intervals; the motor is fixed on the supporting seat, and the output end of the motor is in transmission connection with the connecting cylinder; the feeding hopper is mounted on the supporting seat, the feeding hopper is erected above the threshing cylinder, and the axis of the feeding hopper is coaxial with the axis of the threshing cylinder.

The application discloses a micro semi-feeding double-row combine harvester, which comprises a frame, a cutting knife mechanism arranged at the lower part of the frame, and a threshing mechanism arranged at the upper part of the frame, and further comprises a supporting mechanism, a weeding mechanism, a longitudinal conveying mechanism, a first transverse conveying mechanism and a second transverse conveying mechanism. The micro semi-feeding double-row combine harvester can convey the rice ear part to the rear feeding groove through the longitudinal conveying mechanism before cutting the rice stem, and after the cutting knife mechanism cuts the rice stem, the rice stem can be transversely moved along the drum shaft under the conveying of the first transverse conveying mechanism and the second transverse conveying mechanism, and the threshing drum acts on the rice ear part to realize threshing during the transverse movement of the rice stem. Since the rice ear part of the cut rice is directly fed into the falling drum for threshing, compared with the prior semi-feeding combine harvester, the intermediate conveying mechanism is cancelled, the structure of the whole machine is simpler, the energy consumption is lower, and the weight of the whole machine is lighter.

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 utility model relates to the technical field of combine harvesters, and discloses a corn peeling and threshing combine harvester. Comprising a control mechanism, a main body mechanism is arranged on the surface of the control mechanism, a threshing mechanism is arranged on the surface of the main body mechanism, the control mechanism is located in the main body mechanism, the threshing mechanism is located on the left side of the main body mechanism, the control mechanism comprises a motor, and a switch is arranged on the front side of the motor. According to the corn peeling and threshing combine harvester, a switch is pressed down to start a motor to drive a rotating shaft to rotate, the rotating shaft rotates to drive a rotating disc B and a rotating rod located in a protective shell to rotate through a crawler belt, so that a driving gear and a driven gear are driven to rotate, and then two spiral rolling shafts are driven to rotate in the direction away from the center under supporting of a rotating frame; meanwhile, the rotating rod drives the triangular plate and the threshing rod to rotate with the triangular plate as the center, so that the peeling and threshing functions are started, time and labor are saved, and operation is convenient.

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.