57results about How to "Avoid missed broadcasts" patented technology

The invention discloses an air-suction-type seed sowing device for a seeding machine. The air-suction-type seed sowing device comprises a seed pickup device. The seed pickup device comprises a shell, a cover plate and a seed storage plate. A motor is arranged on one side of the cover plate. The output shaft of the motor stretches into the shell. A seed sowing disc is installed on the part of the output shaft in the shell. A plurality of seed suction ports I are arranged in the seed sowing disc. A seed outlet is arranged in the bottom of the shell. A seed inlet pipe is arranged on one side of the cover plate far away from the shell. A seed inlet is arranged in the cover plate. A sealing cover device is installed on one side of the shell far away from the seed inlet pipe. The sealing cover device comprises a boarding I. A baffle I is arranged on the boarding I. An air outlet I is arranged on the baffle I. An air damper corresponding to the position of the seed suction ports I which are arranged at the lowest position of the seed sowing disc is arranged in the boarding I. The air-suction-type seed sowing device additionally comprises a monitoring and control system which is used for monitoring whether the seed suction ports I suck seeds in real time and controlling the motor. Since the air-suction-type seed sowing device is driven by the motor, the defect that a floor wheel slips in the prior art is avoided, the situation of miss seeding can be automatically detected and the seeds can be replenished in time.

The invention belongs to the field of automatic agricultural equipment and in particular relates to a peripheral motor direct-drive device, a pneumatic type precise corn seed-metering device with the same, and a control method of the pneumatic type precise corn seed-metering device. The peripheral motor direct-drive device is suitable for a conventional pneumatic type precise corn seed-metering device, can perform seeding filling in advance and variable sowing and is convenient to adjust, is suitable for high-speed operation, and can be used for controlling the seed-metering device and the sowing amount thereof independently. The pneumatic type precise corn seed-metering device comprises the peripheral motor direct-drive device. Miss-seeding caused by slip of land wheels can be fundamentally avoided, and the sowing quality is improved; a seed-metering transmission system is simplified, and the production cost of a corn planter is reduced; the intelligent degree and automation degree of the corn planter are improved, the working efficiency is improved, and the labor intensity is reduced.

The invention relates to a pneumatic composite hole-type maize precision metering device. The pneumatic composite hole-type maize precision metering device is characterized by comprising an upper shell of a seed-metering device, a lower shell of the seed-metering device, a discharge plate, a conveying device, a gas distribution chamber shell, a seed pushing plate, a seed scrapping plate, a seed cleaning wheel and a feed shaft, wherein the upper shell of the seed-metering device and the lower shell of the seed-metering device are buckled together to form a round chamber; the gas distribution chamber shell is arranged on the outer side of the upper shell of the seed-metering device; positive pressure air enters the round chamber through a gas distribution chamber, so that the round chamber is full of positive pressure; the discharge plate is disc-shaped, and a plurality of guide grooves in curved strips type are evenly arranged at the circumference of the outer edge of the discharge plate; chamfering angles are arranged at the edges of the guide grooves; the lower surface of the discharge plate is clung to a seal ring inside an annular groove embedded into the lower shell of the seed-metering device; the combined holes are formed by the guide grooves which are not covered; the seed pushing plate is circular-arc-shaped, a strip plate is arranged at the edge of the lower segment of the seed pushing plate, and the outer edge of the seed pushing plate is tangent with the initial end of each guide groove; convex teeth of the seed cleaning wheel are clamped into the combined holes of the discharge plate to be meshed with the discharge plate, and rotate along with the discharge plate.

The invention provides a secondary seed suction assisting self-disturbance seed discharge plate for an aspirated-air type seed discharge device. The secondary seed suction assisting self-disturbance seed discharge plate comprises a plate body, and a mounting hole, locating holes, seed charge holes, seed stirring grooves and seed removal grooves are formed in the plate body; the mounting hole is formed in the center of the plate body, and the locating holes are formed in the periphery of the mounting hole; the seed charge holes are evenly distributed in the periphery of the plate body, and one seed stirring groove is correspondingly formed in the inner side of each seed charge hole; the seed removal grooves meshed with seed removal wheels of the seed discharge device are formed in the back face of the plate body, and the positions of the seed removal grooves correspond to the positions of the seed charge holes. The seed discharge plate can disturb static seed piles in the operating process, resistance among the seeds can be reduced, the single seed gets rid of constraint of the seed piles and can be adsorbed on the seed discharge plate easily, the seeds which are not adsorbed can be taken to certain height through the seed stirring grooves to fall off, the charge missing seed holes obtain the opportunity of secondary seed charge, therefore, the seed charge performance of the seed discharge device is effectively improved, and sowing missing and empty holes are avoided.

The invention relates to a seeding apparatus of agricultural machinery and provides a seed metering apparatus applicable to precise small-quantity sowing of small-granule seeds. The apparatus can arrange seeds into a line and sow the seeds in sequence. The apparatus comprises a seed filling box, a seed restricting separator plate, seed metering separation blades, a seed filling groove, a seed clearing piece, a hairbrush and a seed clearing slit, wherein the seed filling groove is an annular groove which can arrange seeds into a line, the seed restricting separator plate restricts the amount of seeds above the seed filling groove, reduces extrusion force on seeds and decreases the damage rate of seeds, the seed metering separation blades are low, which facilitates seed filling, the hairbrush is used to reduce damage to seeds, gaps are arranged between the hairbrush and the seed metering separation blades, so shearing force on seeds is reduced, and the seed clearing piece prevents seeds from being stuck in the seed filling groove, thereby preventing miss-seeding.

The invention relates to an intelligent single-grain seed metering device. The device comprises a correlation infrared sensor transmitting end and a correlation infrared sensor receiving end which arearranged at the inner side and the outer side of the circumference of each seed metering disc respectively, and a light source signal of the correlation infrared sensor transmitting end can reach thecorrelation infrared sensor receiving end through bottom holes of conical holes rotating to a vertical center line; a weighing sensor is arranged at the outer side of the bottom of each seed meteringdisc and used for weighing the weight of seeds rotating to the bottom of each seed metering disc; and the seed metering discs are connected with a main stepping motor, a seed metering area is provided with a fan-shaped protective plate capable of closing or opening a seed metering port of the seed metering area, and the fan-shaped protective plate is connected with an auxiliary stepping motor. According to the seed metering device, seeds in the conical holes of each seed metering disc are directly monitored and are regulated and controlled according to a monitoring result, so that the influence of interference factors is eliminated, the seed metering accuracy and the seed metering efficiency can be improved, and single-seed metering is realized.

The invention relates to a seed dibbler. Like a traditional dibbler, the seed dibbler adopts a rotary cultivator to pulverize soil and cover seeds, but is quite different from a traditional seeder about a seeding mechanism, and the seeding mechanism comprises a seeding shaft, a seeding tray, a seed-casting spoon, a lever, a tension spring and a touch wheel. The seeds are taken out form a seed box by a seed-fetching and casting mechanism and cast from the seed-casting spoon into a seeding pipe by utilizing the principles of acceleration and inertia so as to be sent to set positions. The seed dibbler can fetch precise number of seeds, uniformly cast the seeds in the soil, can adjust row distances and planting distances and is particularly suitable for seeding crops unsuitable for drill seeding, such as paddy, rape, soybeans, peanuts, corn, and the like.

The invention discloses a line spacing-adjustable plowing and sowing automatic control system. The bottom of a seed storage cylinder is provided with a plurality of discharging ports, the controller controls a sowing mechanism to cooperate with a plowing mechanism in position according to position signals of a first position sensor and a second position sensor on the basis of a line spacing needed by plowing and sowing in order to adjust the position of the plowing mechanism on a first installation shaft below the seed storage cylinder, the sowing mechanism is arranged in the corresponding discharging port, the plowing mechanism plows land and the sowing mechanism sows seeds in the seed storage cylinder to plowed grooves in the walking process of a combination machine, and the sowing mechanism is driven through the first installation shaft of the plowing mechanism to carry out intermittent sowing in order to realize sowing in the grooves according to a predetermined spacing.

The invention discloses a double-cavity chute seed-protection type rice precision hole seeding metering device, and relates to the technical field of seed-metering devices. The device comprises a seedbox, a discharge plate, a feed shaft, left and right shell bodies, seed-partition hairbrushes, a seed-protection chute, a seed-clearing hairbrush and the like; left and right seed filling chambers are formed among the left and right shell bodies, the left and right seed-partition hairbrushes and the discharge plate; a certain amount of spoon teeth and seed guiding strips are evenly distributed onthe edge of the end face of the round discharge plate, the discharge plate drives the spoon teeth, the guiding function of the seed guiding strips fills spoon-teeth-shaped holes with seeds, after seed clearing, the spoon teeth filled with the seeds enter the seed-protection chute to achieve the seed protection, and the seeds enter a seed inputting area to achieve the seed inputting depend on theown weight of the seeds; and the lower portion of a seed metering device body is provided with a seed unloading block capable of quickly removing redundant seeds. The double-cavity chute seed-protection type rice precision hole seeding metering device has the advantages that single-cavity seeding of hybrid rice and double-cavity seeding of conventional rice are achieved under the condition of notreplacing the discharge plate, the problems that remaining seeds in the seed filling cavities are cleared difficultly and the like are solved, the seed filling performance is good, the structure is simple, and the device not only can seed rice, but also can seed wheat, soybean and other subsphaeroidal crops.

The invention discloses a seed sowing device, and relates to the technical field of agricultural machinery. The seed sowing device comprises a seed box, a seed sowing disc, a seed scraper and a rotary shaft which is connected with the seed sowing disc, wherein the seed sowing disc and the seed scraper are arranged in the seed box, the rotary shaft extends out from the bottom of the seed box; a plurality of seed containing holes are uniformly formed in the seed sowing disc; a seed sowing hole is formed in the box bottom of the seed box; the seed sowing disc is provided with a tapered sleeve having a small upper part and a big lower part; the upper end of the tapered sleeve is sealed; an outer edge at the lower end of the tapered sleeve extends outwards in an axial direction so as to form a circular ring body; the bottom surface of the circular ring body props against the inner bottom surface of the seed box; the top end of the rotary shaft is connected with the upper end of the tapered sleeve; a plurality of support bars are connected between the rotary shaft and the inner wall of the tapered sleeve; a plurality of seed containing holes are formed in the circular ring body; and each seed containing hole is a tapered hole having a big upper part and a small lower part. Compared with the prior art, according to the seed sowing device disclosed by the invention, the rotary frictional force between the seed sowing disc and the seed box is sharply reduced, so that the energy consumption can be reduced; and the seed filling capacity of each seed containing hole is high, so that miss seeding is avoided.

The invention provides a hydraulic driving device for a draught fan of a pneumatic type seeding machine, relating to the technical field of pneumatic type seeding machines. The hydraulic driving device is characterized in that a power output shaft of a tractor is connected with an oil pump and drives the oil pump to rotate, power oil supplied by the oil pump is conveyed to a hydraulic motor by an oil pump outlet pipe and a hydraulic motor inlet pipe, the hydraulic motor drives the draught fan for seeding to rotate, and is communicated with an oil tank by a hydraulic motor outlet pipe, a hydraulic control element is arranged in a hydraulic system, and the running speed of the draught fan for seeding is controlled by the hydraulic control element. The hydraulic driving device has the beneficial effects of being matched with the tractor conveniently, ensuring the stable rotation of the hydraulic motor for driving the draught fan for seeding without limitation of the size of an oil valve of the tractor to finally achieve ideal seeding, and overcoming the phenomena of unstable wind power, seedling shortage and seedlingless ridges caused by turning, stopping, machine tool lifting and the like of the existing domestic pneumatic type seeding; besides, the hydraulic driving device has the characteristics of simple and compact structure, small occupied area, convenience in adjustment and reliability in working.

The invention provides a wheat no-tillage planter, which comprises a machine frame (1), a fertilization seeding device and a soil breaking device, wherein the fertilization seeding device comprises afertilizer box (2), a seed box (3), a seed discharging device (4), a seed discharging device (5), a fertilizer discharging pipe (6) and a seed discharging pipe (7), wherein the fertilizer box (2) andthe seed box (3) are arranged on the top of the machine frame (1); the fertilizer box (2) is positioned at the front part of the seed box (3); the seed discharging device (4) is arranged inside the fertilizer box (2); the seed discharging device (5) is arranged in the seed box (3); the fertilizer discharging pipe (6) is arranged at the bottom of the fertilizer box (2); the seed discharging pipe (7) is arranged at the bottom of the seed box (3). Through the structure optimization, the phenomena of driving wheel slipping and mud adhesion to the driving wheel are avoided; the work efficiency of arotary blade is improved; the requirement of high efficiency and high-quality seeding of wheat under the conditions of stalk field return and wet and sticky soil can be met.

The invention relates to the field of agricultural machinery, in particular to a seeding machine with a rotary dibbling function, comprising a rotary shaft, a plurality of dibbling devices connected side by side to the rotary shaft, and at least two travelling wheels driving the rotary shaft to rotate. Each dibbling device comprises a rotary reeling cavity and a rotary reel disposed in the rotary reeling cavity, the rotary reel is driven by the rotary shaft to rotate so that seeds passing through a seed inlet into the rotary reeling cavity are removed from a seed outlet, and the rotary reel comprises a rotor and a plurality of reeling sheets evenly distributed on the periphery of the rotor; the seed inlet is formed by fitting a left retainer and a right retainer and is disposed at the rotary reeling start of the rotary reeling cavity; the seed outlet is formed by fitting a left retainer and a right retainer and disposed at the rotary reeling end of the rotary reeling cavity.This machine can prevent seed jamming and seed damage so that the seeds are kept intact and unharmed during rotary reeling; the rotors can rotate smoothly and flexibly, effectively improving seed dibbling effect.

The invention discloses an intelligent control hydraulic-drive aspirated-air type wheat seeding device. The intelligent control hydraulic-drive aspirated-air type wheat seeding device comprises a rotary cultivator connected with a tractor, a fertilizer apparatus and a seedling apparatus which are connected with the rotary cultivator, and further comprises a negative-pressure type draught fan positioned on the rotary cultivator. The negative-pressure type draught fan is provided with a double-sucker with the adverse aspirated-air directions. The double-sucker is connected with an air pipe of the seeding apparatus. The negative-pressure type draught fan is driven by a high-speed hydraulic motor. The fertilizer apparatus and the seedling apparatus are driven by a low-speed hydraulic motor I and a low-speed hydraulic motor II, and each hydraulic motor is connected with a main controller. The high-speed hydraulic motor, the low-speed hydraulic motor I and the low-speed hydraulic motor II are driven by a hydraulic power pack on the tractor. The intelligent control hydraulic-drive aspirated-air type wheat seeding device is not manually operated by a person, and the artificial intelligentcontrol hydraulic drive is realized through the main controller and a man-machine interface. In the different driving speeds of the tractor, the revolving speed real-time tracking of seeding and fertilizing shafts is realized, and the uniform and accurate fertilizing and seeding can be guaranteed.

The invention relates to a seeding unit provided with an auxiliary seed clamping device. Improvements are made on the conventional pneumatic seeding unit. Aiming at the problem of severe loss of local air current in a negative-pressure air chamber due to large irregular gaps of a pneumatic air-suction seeding unit acting on irregular large-diameter crop seeds and mold holes, a pneumatic seeding unit is provided with the auxiliary seed clamping device. Adsorbed single seeds can be clamped stably before falling into a seed outlet, the seeding unit adsorbs the seeds through negative pressure, the auxiliary clamping device carries and delivers seeds, and the local air current loss of the negative-pressure air chamber is reduced by reducing the working area of the negative-pressure air chamber, so that the energy loss is reduced as a whole.

The invention belongs to the technical field of agricultural seeding machinery and relates to a pneumatic cup type and scoop type precision seed-metering device suitable for potatoes. The key point of the pneumatic type and cup-scoop type precision seed-metering device adopts a combined seed-metering mode of a pneumatic type and a cup-scoop type. The pneumatic cup type and scoop type precision seed-metering device is characterized by comprising an intermittent feeding mechanism, a seed box and a pneumatic type and cup-scoop type mechanism; a maltese mechanism and a seed transport chain form the intermittent feeding mechanism; a first gas chamber housing and a second gas chamber housing form a circular gas chamber housing through a bolt; a plurality of curved strip seed suction pipes are uniformly arranged in the circumference of the outer edge of the second gas chamber housing, a seed suction cup is connected to each of the seed suction pipes, bearing pedestals are mounted on two sides of the gas chamber housing, and a transmission chain wheel is fastened on each of the bearing pedestals through a bolt; a seed-metering shaft is a hollow shaft, the circular gas chamber housing is mounted on the seed-metering shaft, and a negative air flow enters the circular gas chamber housing through a gas inlet, so that the circular gas chamber is filled with negative pressure; and by virtue of the structural design, potato seeds on the seed suction cup lose the negative pressure suction at the moment and are fed dependent on the gravity. The pneumatic cup type and scoop type precision seed-metering device provided by the invention can realize simple grain precision seeding, and miss-seeding is reduced.

The invention discloses a transmission mechanism of a seeder, which comprises an input transmission shaft, a first sprocket wheel, an output transmission shaft, a second sprocket wheel and a chain. The first sprocket wheel is arranged on the input transmission shaft; the second sprocket wheel is arranged on the output transmission shaft; and the chain is arranged on the first and the second sprocket wheels. The transmission mechanism of the seeder is characterized in that: the input transmission shaft is connected with the wheel hub of a tractor rotating wheel; the output transmission shaft is connected with the main shaft gearbox of the seeder; and the chain is provided with a floating tension device. In the transmission mechanism of the seeder of the invention, the input transmission shaft is connected with the transmission mechanism which enables the tractor to go forward, and the transmission chain is provided with the floating tension device which is used for tensioning the loosened chain at the traction section to realize the tension control for the chain, so the synchronization of the input and the output transmission shafts is ensured, the phenomena of miss-seeding and non-uniform seeding density are avoided, and the seeding quality of the farmland is increased.

The invention relates to the technical field of agricultural machinery and particularly relates to a novel dibbling machine. The novel dibbling machine comprises a hopper and a rotary stirring assembly, wherein the rotary stirring assembly comprises a rotary stirring cavity and a rotary stirring part; the rotary stirring cavity is of a non-sealed type cavity structure formed by matching a stopping plate with lateral stopping plates located on the two sides of the stopping plate; the rotary stirring part is arranged in the rotary stirring cavity; seeds entering the rotary stirring cavity from a seed inlet are pushed out from a seed outlet by virtue of automatic rotation of the rotary stirring part; the rotary stirring part comprises a rotary body and a plurality of stirring pieces which are uniformly distributed at the periphery of the rotary body; the hopper is connected to the seed inlet; the height difference is formed between the lateral stopping plates and the inner wall of the hopper located on the same side; one lateral stopping plate is provided with a blanking hole in the seed inlet; and a blanking region is formed between the blanking hole and the inner wall of the hopper located on the same side and is communicated with a material storage cavity of the hopper. With the adoption of the novel dibbling machine, the seed dibbling effect can be effectively improved, conditions of missed dibbling, scattered dibbling and the like are avoided, and the seed clamping and seed damage can be prevented.

The invention discloses a cost-saving sugarcane plantation method applicable to mechanical plantation and relates to the technical field of sugarcane plantation. The cost-saving sugarcane plantation method applicable to mechanical plantation comprises the following steps: cultivating sugarcane tissue culture seedlings till jointing at first; cutting off upper half parts of the jointed sugarcane tissue culture seedlings; taking lower half parts with 2-3 reserved jointing points and nutrient soil for seedling plantation; and arranging the seedlings by a seed planting device to a planting trenchand covering soil to complete the process. With the method disclosed by the invention, the survival rate of sugarcane seedlings is high, the seeding sowing amount is reduced, plant diseases and insectpests are reduced, the tillering ability is high, seedling emergence is orderly, the cost is low, and the method is applicable to mechanical plantation.