20results about How to "Improve threshing efficiency" patented technology

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

The 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 discloses a threshing assembly of a rape combine harvester in the technical field of rape threshing, which comprises a box body, two springs are fixedly connected in the box body, a filter screen is fixedly connected between the two springs, two fixing rods are fixedly connected on the filter screen, one end of each fixing rod is provided with a moving wheel, and two sides of the box body are provided with track plates. The moving wheels are movably connected with the track plate, two stand columns are fixedly connected in the box body, protruding blocks are fixedly connected to the stand columns, a driving motor is installed on the filter screen, the output end of the driving motor is fixedly connected with a rotating rod, two cams are installed on the rotating rod, the cams are movably connected with the protruding blocks, and a plurality of dispersing mechanisms are arranged in the filter screen. A second-stage screening chamber is arranged on the inner side of the box body and located at one end of the filter screen, and a threshing assembly is arranged in the box body, so that the threshing efficiency of the equipment is further improved, the equipment is more convenient to thresh, and materials are prevented from being sucked by mistake in the threshing process.

The invention relates to the technical field of agricultural instruments, and discloses a rice threshing device convenient to clean, which comprises a frame body, a threshing bin arranged on the frame body and a storage box arranged below the threshing bin, the threshing bin comprises a box body, a bin cover is movably arranged on the box body, a feeding port is formed in the front wall of the box body, and a waste outlet is formed in the rear wall of the box body. A screen is arranged at the bottom of the box body; a roller is movably arranged in the box body, and a rotating wheel connected with the roller is arranged on the outer side of the box body; a gasoline rotating device is arranged on the side face of the box body and connected with the rotating wheel. The roller comprises a rotating shaft connected with the rotating wheel, the two ends of the rotating shaft are arranged on the box body, at least two round covers are arranged on the rotating shaft, at least two connecting rods are arranged on the round covers in a penetrating mode, and a plurality of protruding teeth are arranged on the connecting rods. Through holes are symmetrically formed in the tops of the side walls of the storage box. The device not only improves the threshing efficiency of rice and reduces the complexity of manual operation, but also makes an important contribution to the guarantee of seed purity.

The utility model discloses a millet harvesting thresher, including mobile car, be provided with the thresher subassembly on the mobile car, the thresher subassembly includes thresher cylinder, second motor, driving wheel, driven wheel and transmission belt, the thresher cylinder sets up on the mobile car, second motor fixed mounting is on the mobile car, the driving wheel is connected in the output of second motor, the driven wheel rotatoryly connects on the thresher cylinder, transmission belt transmission is connected on the driving wheel and driven wheel, one end of mobile car sets up in the filter component, the filter component includes fixed frame, mobile frame and filter plate, the fixed frame installs on the mobile car, mobile frame slidingly connects on the fixed frame, the filter plate installs on the mobile frame, to solve the operation of the thresher process in the background art not enough convenient technical problem.

The utility model relates to the technical field of agricultural product processing, and discloses an agricultural product primary processing threshing device which comprises a supporting table, the top of the supporting table is evenly and fixedly connected with arc-shaped supporting plates, the bottom surfaces of the arc-shaped supporting plates are fixedly communicated with discharging pipes, and connecting assemblies are arranged in the arc-shaped supporting plates. A material pushing assembly is arranged in the arc-shaped supporting plate, a material guiding plate is fixedly connected to the surface of the bottom of the supporting table, the connecting assembly comprises a bearing fixedly connected to the surface of the end of the arc-shaped supporting plate, and driven gears are fixedly connected to the surface of the inner ring of the end, away from the arc-shaped supporting plate, of the bearing. Connecting rings are fixedly connected to the inner ring surfaces of the ends, close to the arc-shaped supporting plates, of the bearings, and threshing cutters are arranged on the surfaces of the ends, away from the bearings, of the connecting rings. According to the threshing device, through the connecting assembly, the threshing knife can be quickly disassembled and assembled, the time for replacing the threshing knife is saved, the labor intensity is reduced, and the practicability of the device is improved.

The utility model discloses corn cob threshing equipment, and relates to the technical field of corn processing equipment. Comprising a shell, the shell comprises a feeding frame, a circular-truncated-cone-shaped discharging barrel is welded and fixed to the right side of the feeding frame, a threshing mechanism is arranged in the shell and comprises a threshing roller and a threshing roller arranged on the inner side of the threshing roller, and spiral blades are arranged on the inner wall of the threshing roller; shifting blocks which are uniformly distributed in a spiral shape are arranged on the outer wall of the threshing roller, a plurality of pluggable stripping mechanisms are installed on the threshing roller, the stripping mechanisms are uniformly distributed on the threshing roller in a spiral shape, and each stripping mechanism comprises an insertion block, an extrusion head and a spring. Through the arrangement of the threshing cylinder, the threshing roller and the stripping mechanism, corn cobs of different sizes or thicknesses can be threshed conveniently, it is guaranteed that the corn cobs can be threshed completely, and the threshing efficiency of the corn cobs is improved.

This invention relates to an elephant grass seed threshing device, comprising a frame, a storage device, a feeding device, a threshing device, a dehulling device, and a screening device. The threshing device includes a support, a threshing mechanism, and a threshing conveying mechanism. The threshing mechanism includes threshing rollers arranged vertically and a threshing drive mechanism. Multiple sets of threshing components are arranged on the threshing rollers. The threshing components on the upper and lower threshing rollers are staggered. When the feeding device delivers elephant grass inflorescences into the threshing device, the bottom of the inflorescence passes through the threshing mechanism first and then enters the threshing conveying mechanism. The threshing conveying mechanism includes conveying rollers arranged vertically and a threshing conveying drive mechanism, wherein the linear velocity of the conveying rollers is greater than the linear velocity of the threshing rollers. This elephant grass seed threshing device can automatically thresh elephant grass seeds, achieving a higher degree of automation.

The application discloses a flexible threshing device with adjustable threshing box of a wheat combine harvester, which comprises the threshing box, a transmission shaft one is horizontally arranged at the upper end of the threshing box, and a threshing mechanism is arranged at the middle part of the transmission shaft one. When threshing, the wheat combine harvester throws the wheat into the inlet of the left upper end of the threshing box through the conveying belt, the spiral feeding frame sends the wheat into the space between the two guide plates, when the transmission shaft one rotates, the fixed disc at the middle part drives the cutter to rotate through the lateral rods at the two sides, the cutter slides along the arc-shaped groove at the inner wall of the middle part of the two guide plates, and the guide plates can be expanded, when the two cutters move to the horizontal angle, the two guide plates are reset, with the timed expansion of the guide plates and the cutting of the long wheat in the rotating process of the cutter, the entering wheat cannot be blocked, and the wheat is threshed by the flexible threshing head outside the fixed disc, so that the threshing efficiency is improved, and the blockage during feeding is avoided.

The present invention discloses a harvesting, crushing and stubble-killing integrated machine, comprising a main body, on which a cutting table assembly, a threshing assembly and a stubble-killing assembly are arranged, the threshing assembly comprises a threshing body, on which a main threshing drum, a main concave mesh screen, a vibrating screen, a first cleaning fan mechanism, a second cleaning fan mechanism, a threshing augers, a secondary threshing augers assembly, a secondary threshing drum and a secondary threshing concave mesh screen are arranged; the stubble-killing assembly is arranged at the lower part of the main body, and comprises a stubble-killing frame, a stubble-killing rotating shaft and a stubble-killing knife assembly connected in a matching manner. Compared with traditional harvesters, the present invention can help farmers achieve high stubble-retaining operations, with a significant reduction in the amount of feed, a significant reduction in the grass-grain ratio, a threshing load of only 60% of normal operations, a significant reduction in the entrainment of rice straw with grains, a better threshing effect and a higher efficiency, and the threshing effect is enhanced, the threshing efficiency is improved, and at the same time, the remaining straw can be crushed and stubble-killing processed to achieve straw return to the field.

The invention discloses a ratooning rice threshing device and a combine harvester, and relates to the technical field of agricultural machinery, and the ratooning rice threshing device comprises a pre-threshing section and a threshing section which are connected with each other; the pre-threshing section comprises a pre-threshing roller, wherein flexible soft teeth are fixedly arranged on the peripheral face of the pre-threshing roller, and the flexible soft teeth are arranged in a radial mode in the radial direction of the pre-threshing roller. The flexible soft teeth comprise straight teeth and bent teeth, and bent parts are arranged at the ends, away from the pre-threshing roller, of the bent teeth and intersect with the straight teeth; first threshing gaps are formed between the straight teeth and the bent teeth, and the first threshing gaps are smaller than the average diameter of a threshed product. According to the invention, the pre-threshing section with the flexible soft teeth is arranged in front of the threshing section, so that grains which are easy to fall off are threshed, pre-threshing is carried out, and the threshing effect is improved. The flexible soft teeth are arranged to be in a straight tooth form and a bent tooth form, in the threshing rotation process, the straight teeth and the bent teeth which intersect with each other can generate a rubbing action better, and more grains can be threshed as much as possible on the premise that the integrity of the grains is effectively protected.

The utility model relates to a double-differential-speed axial flow roller threshing and separating mechanism and a grain harvesting machine, and the double-differential-speed axial flow roller threshing and separating mechanism comprises a threshing roller, a threshing concave plate, a separating roller, a separating concave plate assembly and a separating roller shaft, the threshing concave plates sleeve the outer side of the threshing roller at intervals, outer gear rings are arranged on the outer surfaces of the threshing concave plates, and the separation concave plate assemblies sleeve the outer side of the separation roller at intervals; the separation drum shaft is coaxially sleeved in the separation drum and the threshing drum, one end of the separation drum shaft is fixedly connected with the separation drum, and the position close to the other end of the separation drum shaft is rotatably connected with the threshing drum; the separating roller is in differential transmission connection with the threshing roller through the inner gear assembly. Sundry accumulation on the threshing chopping board can be reduced, the threshing efficiency and the threshing effect are improved, meanwhile, the rotating speed of the threshing cylinder is reduced through relative movement, the load of the cylinder is reduced, and the service life of the machine is prolonged.

The invention discloses an efficient low-loss corn threshing combined machine, and relates to the technical field of corn threshing. The corn thresher comprises a rack, the upper side of the rack is fixedly matched with a thresher body, the upper side of the thresher body is connected and communicated with a feeding hopper, and the lower side of the thresher body is connected and communicated with a discharging port; the sliding column and the first sliding plate are arranged at the bottom of the rack in a sliding fit mode, a second sliding plate is arranged in the sliding column in a sliding fit mode, a U-shaped plate is fixedly arranged on the upper side of the second sliding plate in a matched mode, and a U-shaped column is arranged on the upper side of the U-shaped plate in a rotating fit mode. By arranging the U-shaped column, the U-shaped column drives corn raw materials to slide upwards under the action of the U-shaped plate, the corn raw materials are driven to slide into the thresher through the rotating roller arranged in the U-shaped column to be threshed, in the process, the labor amount of workers is reduced, and the corn raw material threshing efficiency is improved; and the corn raw material threshing process is more convenient.

The utility model provides a threshing concave sealing plate convenient to disassemble and assemble and a harvester. A threshing concave sealing plate convenient to disassemble and assemble comprises a first sealing plate welding part, a second sealing plate welding part and a third sealing plate welding part, and one side of the first sealing plate welding part and one side of the third sealing plate welding part are each provided with a first connecting mechanism used for being detachably connected with a reinforcing plate. Second connecting mechanisms used for being connected with the first sealing plate welding part and the third sealing plate welding part are installed on the two sides of the second sealing plate welding part correspondingly. The two sides of the second sealing plate welding part are detachably connected with the other side of the first sealing plate welding part and the other side of the third sealing plate welding part through the second connecting mechanisms respectively.

The invention belongs to the technical field of soybean threshing, and particularly relates to a soybean semi-automatic low-loss single-plant directional threshing device which comprises a support, a threshing box is fixed to the upper side of the support, a lifting mechanism is fixed to the rear side of the threshing box, a swing mechanism is fixed to the lower end of the lifting mechanism, and a clamping mechanism is fixed to the lower end of the swing mechanism. A soybean plant is fixed at the lower end of the clamping mechanism; symmetrical adjusting mechanisms are fixed to the lower end of the inner wall of the threshing box, threshing plates are arranged on the side walls of the two adjusting mechanisms, and the lower ends of the two threshing plates are rotationally connected with the inner wall of the threshing box through shaft pins; according to the soybean threshing device, soybean plants are clamped and fixed through the clamping mechanism, and the soybean plants are driven to swing left and right in a reciprocating mode through the swing mechanism, so that the soybean plants collide with the threshing plate to be threshed, original manual threshing is effectively replaced, the soybean threshing efficiency is greatly improved, manpower is reduced, and the operation comfort of workers is improved.

The invention discloses a conveying primary threshing roller and a threshing device, and belongs to the technical field of gramineous crop threshing. The problem that in the threshing process of a threshing device in the prior art, crops are prone to being wound and stacked on a feeding threshing roller, and consequently a feeding port is blocked is solved. A threshing rib is arranged on the outer side wall of the roller body and comprises a connecting part and a feeding part, the connecting part is fixedly connected with the roller body, the feeding part is obliquely arranged relative to the connecting part, the inclination direction of the feeding part is opposite to the rotating direction of the roller body, and a feeding surface is formed on the surface, back to the roller body, of the feeding part. The conveying and primary threshing roller and the threshing device are used for auxiliary feeding and primary threshing of gramineous crops, the feeding part is obliquely arranged in the direction opposite to the rotating direction of the roller body, the situation that the crops are wound on the rake teeth and accumulated on the bent part to block the feeding port is avoided, the crops are smoothly pushed into the feeding port, auxiliary feeding is achieved, and the feeding effect is improved; crops are primarily threshed, and the threshing quality is improved.

The utility model provides a corn thresher capable of enabling corn cobs on the upper turning side of a threshing roller to move towards the lower turning side to enter the lower turning side so as to improve the threshing effect and efficiency of the thresher, and relates to the technical field of agricultural machinery. A corn thresher comprises a threshing bin and a main threshing roller installed in the threshing bin, the main threshing roller is provided with a threshing structure, one end of the threshing bin is provided with a feeding port, the other end of the threshing bin is provided with a corncob outlet, and the threshing bin is internally provided with a corn thresher which enables corn cobs on the upper rotating side of the main threshing roller to move towards the lower rotating side of the main threshing roller and enables the corn cobs to move towards the lower rotating side of the main threshing roller. The auxiliary structure is arranged on the lower turning side of the main threshing roller.

The utility model relates to the technical field of harvesters, in particular to a stepless speed change device for a threshing cylinder of a whole-feed combine harvester. A whole-feeding combine harvester threshing cylinder stepless speed change device comprises a harvester body and a threshing cylinder, a reversing transmission box is arranged in the harvester body, and a stepless speed change wheel is movably arranged in the reversing transmission box. The stepless speed change wheel is arranged between an engine output shaft of the harvester body and a roller shaft of a threshing cylinder, and a telescopic assembly is connected between the stepless speed change wheel and the reversing transmission box. The stepless speed change wheel can be pushed to move through the telescopic assembly, so that the contact radius of the second transmission belt, the third transmission belt and the stepless speed change wheel is increased or decreased, acceleration or deceleration of the threshing roller is achieved, stepless adjustment of rotation of the threshing roller is achieved, the threshing requirements of different crops are conveniently met, and the threshing efficiency of the threshing roller is improved.

The invention relates to a bark tree seed threshing machine which comprises a machine frame. The upper barrel body is arranged at the top of the rack; the bottom of the upper barrel body is communicated with a lower barrel body through a conveying pipe; a main shaft mechanism used for threshing is installed in the upper barrel body, bark tree seeds are guided into a feeding hopper and enter the upper barrel body, a motor is started to drive a driving wheel to rotate, the driving wheel, a lower wheel and an upper wheel are connected through a driving belt, and therefore the lower wheel and the upper wheel are driven to rotate, the upper wheel drives an upper rod body to rotate, and the upper rod body is driven to rotate. The upper rod body drives the upper column body and the grinding strips on the surface of the upper column body to rotate, meanwhile, the main shaft outer sleeve with a hole part is installed on the inner wall of the upper barrel body and used for improving the grinding effect, the three grinding strips can thresh bark tree seeds in the upper barrel body and move the bark tree seeds into the conveying pipe, the conveying pipe is inclined, the processed bark tree seeds in the upper barrel body are conveyed into the lower barrel body, and the grinding effect is improved. Along with the rotation of the lower rod body, the spiral conveying paddle is driven to further thresh the inner bark tree seeds of the lower barrel body, and meanwhile, the seeds can be conveyed to the discharge port to be discharged.

This utility model provides a threshing device for a harvester and a harvester in general. The threshing device includes a threshing box; a main extrusion roller rotatably disposed within the threshing box; multiple auxiliary extrusion rollers rotatably disposed within the threshing box and distributed circumferentially around the main extrusion roller, with a main threshing gap formed between the side walls of the auxiliary and main extrusion rollers; a driving component for driving the main and auxiliary extrusion rollers to rotate synchronously; and a transmission mechanism for connecting the main and auxiliary extrusion rollers, enabling them to rotate at different circumferential speeds. The auxiliary extrusion rollers can form a stable circumferential speed difference with the main extrusion roller, thereby improving the threshing efficiency of the threshing device, ensuring threshing quality, reducing the load on the main extrusion roller, and lowering the risk of damage to the main extrusion roller. The transmission mechanism allows multiple rollers to operate simultaneously with a single driving component, improving the utilization rate of the power source.