36results about How to "Improve seeding uniformity" patented technology

An automatic sower for culturing seedlings in plastic trays features that the plastic trays are put on the streamline mechanism composed of conveying belts, and the basic soil applicator, seed sowing unit, covering soil applicator and soil pressing roller are sequentially arranged on the machine frame above said plastic trays.

The invention provides a wheat crop ridge seeding machine, relating to the technical field of agricultural machinery, in particular to a wheat crop seeding machine. A frame of the wheat crop ridge seeding machine is connected with a traction locomotive by virtue of a suspension traction frame at the front end, a driving wheel is arranged at the rear end of the frame, a seed storage tank is arranged at the upper part of the frame, a seed sowing device is arranged on the seed storage tank, and the driving wheel is connected with the seed sowing device and drives the seed sowing device by virtue of a transmission chain; the lower part of the frame is sequentially provided with a depth limiting wheel, a single-winged ridging plough, a ridging compacting machine, a seed opener, a ditch cleaning shovel and a ridge reshaping device; and the seed opener is connected with the seed sowing device by virtue of a seed drop tube. A suspension traction system, a ridge body moulding system and a precision drilling system of the seeding machine ensure earthing of a seeding trench to be uniform and ridge trench and ridge surface to be uniform, thus multiple processes such as ridging, sowing and the like can be completed at the same time, and agricultural requirements of high ridging quality, uniform seed discharging and consistent sowing depth can be met.

The invention relates to an electric self-propelled numerical-control plot drill seeder aiming to solve the technical problems that plot seeders in the prior art are nonuniform in seeding and not precise enough in row length control. The electric self-propelled numerical-control plot drill seeder comprises a walking mechanism, an automatic control device, a seed separation mechanism, a furrowing and seeding mechanism and a lifting mechanism, and the seed separation mechanism, the furrowing and seeding mechanism and the lifting mechanism are correspondingly arranged on the walking mechanism; the seed separation mechanism comprises a seed separation unit and a seed storage unit, the seed separation unit is arranged above the furrowing and seeding mechanism, and the seed storage unit is arranged above the seed separation unit; the walking mechanism is an electric walking mechanism; the seed separation unit comprises a seed separation disc, a seed separation servo motor or a seed separation stepping motor, and the seed separation servo motor or the seed separation stepping motor is arranged below the seed separation disc, and drives the seed separation disc to rotate; the electric self-propelled numerical-control plot drill seeder has the advantages of uniform between-row and in-row seeding, high degree of automation, stepless row length setting (arbitrary row length setting), high row length control accuracy, simple operation, high sowing efficiency and the like.

The invention relates to a paddy rice seedling-cultivation sowing machine belonging to a sowing machine. The paddy rice seedling-cultivation sowing machine comprises a bracing frame and a conveying guide rail arranged on the bracing frame; the paddy rice seedling-cultivation sowing machine also comprises a conveying motor, a soil paving apparatus, a soil brushing apparatus I, a water spraying apparatus, a sowing apparatus, a soil covering apparatus and a soil brushing apparatus II which are successively arranged on the conveying guide rail; and the paddy rice seedling-cultivation sowing machine also comprises an atomization apparatus arranged behind the soil brushing apparatus II and on the conveying guide rail. The atomization apparatus comprises an atomization box, a spray device and an electric control device; the atomization box is fixedly connected with two conveying guide rails; the spraying device comprises a water pump, a water suction pipe, a water outlet pipe, an atomization water pipe, an atomization nozzle and atomization water pipe positioning devices; the atomization water pipe positioning devices are arranged on two opposite sidewalls in the atomization box; the atomization nozzle is connected with the atomization water pipe; the atomization water pipe is positioned on the atomization water pipe positioning device; and the power supply of the electric control device is electrically connected with the water pump.

The invention discloses an aspirated-air type seed sucking plate used for hybrid rice seedling raising and seeding. The aspirated-air type seed sucking plate mainly comprises a frame I, a frame II, parallel air passages, an air cavity, an air pressure valve, a flexible pipe and the like. The seed sucking plate is formed by combining multiple groups of parallel air passages, seed sucking holes are distributed in the parallel air passages in a staggered manner, each parallel air passage is an independent air cavity, and air flow in the air cavity is uniform and stable. The aspirated-air type seed sucking plate disclosed by the invention can be applied to rice seedling raising and precise seeding of hybrid rice, seeding uniformity is effectively improved, and further seeding quality is improved.

The invention discloses a drum-type precise sowing device for hole sowing of vegetable seeds. The device comprises a switch, a stander, a feed hopper, a seed metering device, a brush, a rear walking wheel axle, wheels, a blanking hopper, an overrun clutch, a plurality of chains, a plurality of chain wheels, a front walking wheel axle and a motor, wherein the motor, the front walking wheel axle and the wheels are arranged at the front end of the stander; the rear walking wheel axle and the wheels are arranged at the rear end of the stander; the feed hopper, the seed metering device, the brush and the blanking hopper are arranged in the middle of the stander; the motor can be used for controlling the front walking wheel axle, the rear walking wheel axle and the seed-metering device by chain transmission. The drum-type precise sowing device has the characteristics of being simple in structure, convenient to operate and the like, and can be used for precisely and evenly sowing seeds at equal intervals.

The invention discloses a rice precise direct-seeding and cavitating device, which comprises a shell, a cavitating disk and a transmission shaft, wherein a disk cavity is formed in the shell, and the cavitating disk is arranged in the disk cavity; the cavitating disk comprises a connecting portion connected with the transmission shaft and a plurality of cavity partition plates radially extending out of the outer side of the connecting portion, a seed cavity is formed among every two adjacent partition cavity plates and a cavity wall of the disk cavity, a seed inlet for seeds to enter the seed cavities is formed in the upper portion of the disk cavity, and a seed output opening for the seeds in the seed cavities to be output is formed in the lower portion of the disk cavity; when the seed inlet is communicated with the seed cavities, the seeds can enter the seed cavities through the seed inlet; when the seed cavities are communicated with the seed output opening, the seeds in the seed cavities are output from the seed output opening. The rice precise direct-seeding and cavitating device disclosed by the invention is simple and reliable, convenient and quick to install, capable of effectively improving cavitation of sowing in line and capable of meeting different requirements of rice precise hole sowing.

The invention relates to a paddy rice seedling-cultivation sowing machine belonging to a sowing machine. The paddy rice seedling-cultivation sowing machine comprises a bracing frame and a conveying guide rail arranged on the bracing frame; the paddy rice seedling-cultivation sowing machine also comprises a conveying motor, a soil paving apparatus, a soil brushing apparatus I, a water spraying apparatus, a sowing apparatus, a soil covering apparatus and a soil brushing apparatus II which are successively arranged on the conveying guide rail; and the paddy rice seedling-cultivation sowing machine also comprises an atomization apparatus arranged behind the soil brushing apparatus II and on the conveying guide rail. The atomization apparatus comprises an atomization box, a spray device and an electric control device; the atomization box is fixedly connected with two conveying guide rails; the spraying device comprises a water pump, a water suction pipe, a water outlet pipe, an atomization water pipe, an atomization nozzle and atomization water pipe positioning devices; the atomization water pipe positioning devices are arranged on two opposite sidewalls in the atomization box; the atomization nozzle is connected with the atomization water pipe; the atomization water pipe is positioned on the atomization water pipe positioning device; and the power supply of the electric control device is electrically connected with the water pump.

The invention provides a garlic seeder. The garlic seeder comprises a rack, traveling wheels and a head, wherein the traveling wheels are mounted at the bottom of the rack; and the head is mounted atthe front end of the rack. The garlic seeder is characterized by further comprising a sowing mechanism, a duplex plough and a soil pressing roll, wherein the sowing mechanism is arranged in the middleof the rack and comprises a plurality of sowing openings; the sowing mechanism uniformly sows garlic seeds via the sowing openings; the duplex plough is arranged at the bottom of the rack and comprises a plurality of rows of plough heads; the duplex plough is positioned on the front sides of the sowing openings of the sowing mechanism and is used for implementing uniform ploughing; and the soil pressing roll is arranged at the rear end of the rack, can rotate in the up-down direction, and is positioned on the rear side of the duplex plough.

The invention provides a sowing mechanism for garlic. The sowing mechanism comprises a feeding bin, a feeding hopper, a rotary material sucking cylinder and sowing pipes corresponding to material sucking holes, wherein a stirring shaft is arranged in the feeding bin; a plurality of discharging openings are formed in the lower part of the feeding bin; the feeding hopper is arranged below the feeding bin; a plurality of guiding chutes which are in one-to-one correspondence to the discharging openings are formed in the rear end of the feeding hopper; an eccentric wheel is arranged at the front end of the feeding hopper and drives the guiding chutes to vertically jitter; the rotary material sucking cylinder is arranged on the rear side of the feeding hopper; at least one row of material sucking holes are formed in the outer wall of the rotary material sucking cylinder along the axial direction; each row of material sucking holes comprise the material sucking holes which are in one-to-one correspondence to the guiding chutes; an air suction channel communicating with the material sucking holes is arranged inside the rotary material sucking cylinder; the sowing tubes are arranged on therear side of the rotary material sucking cylinder; feeding openings are formed in the upper ends of the sowing pipes; a sowing opening is formed in the lower end of the rotary material sucking cylinder.

The invention discloses a planting method for realizing close planting and yield increase of summer corn, which comprises the following steps: step 1, pretreatment: harvesting wheat, crushing wheat straws, and uniformly spreading the wheat straws in a corn planting field; 2, seed selection: using a corn variety with a proper ripening period, early sowing in time, improving the sowing quality, and adjusting measures to local conditions; step 3, sowing: sowing by adopting an in-situ profiling corn no-tillage precision sowing machine, arranging a plurality of tillage bins between sowing rows, and arranging each tillage bin corresponding to the front and rear positions of the sowing machine. According to the planting method for realizing close planting and yield increasing of summer corn, a'in-situ profiling and air suction precision seeding 'technology and a'seedling strip arrangement and deep scarification fertilization' compound operation technology are adopted, and precise information regulation and control are assisted, so that precise regulation and control of seeding depth, single-grain precise seeding and layered deep fertilization are completed, and row spacing, seeding depth and fertilization depth are consistent.

The invention discloses an inner positive pressure combined seed metering device, which comprises a front housing, a rear housing, a seeding disc, a seed unloading wheel and a seeding shaft; the wall thickness of the seeding disc is evenly distributed along the circumferential direction A number of combined holes composed of filling grooves and inoculation holes; air holes are provided on the bottom of the filling groove of each combined hole, and an air hole channel is opened on the seeding tray at the position of each air hole, and the air hole channel includes a A curved channel and a horizontally arranged straight channel, the edge of the cover plate of the rear housing is provided with an arc-shaped through hole, and the other end of the straight channel runs through the rear and the arc-shaped through hole on the rear housing along the axial direction of the seed tray It is connected with the atmosphere through the arc-shaped through hole. The inner seed filling type is combined with the air pressure type. In the seed filling stage, the seeds are first filled into the filling groove, and then pressed onto the air holes. Due to the constraints of the applied force and the depth of the filling groove, the The seeds will not slip out within a certain range, which increases the time for the seeds in the filling groove to be pressed and attached to the air holes.

The invention provides a spiral bevel-gear seed-metering device, belonging to the technical field of agricultural machinery seeding machinery. The spiral bevel-gear seed-metering device structurally comprises a shell, a blocking wheel end cover, a seed-metering shaft, a seed cleaning device, a seed-metering wheel, a first retainer ring, a seed-metering wheel end cover, a blocking wheel, a seed guiding unit, a seed protecting plate, a second retainer ring and a belt which are in connection. The spiral bevel-gear seed-metering device is simple in structure and clear in operating principle. Seedsfall into a seed filling area from a seed-metering opening; the seed-metering shaft drives a spiral bevel-gear seed-metering wheel to rotate; the seed protecting plate is tightly attached to the outer contour surface of the spiral bevel-gear seed-metering wheel; the seed-metering wheel rotates to a seed falling area; the seeds enter the seed guiding unit and fall into a seed guiding groove; a seed guiding driving wheel drives a seed guiding driving wheel belt through the seed-metering shaft to move; the seeds in the seed guiding groove are driven by a seed guiding conveying belt to reach a seed feeding position; and the seeds fall into a seed ditch under the action of gravity. The spiral bevel-gear seed-metering device provided by the invention has the following advantages: seed filling is facilitated; meanwhile, the uniformity of seed metering is improved; the problem of pulsation is effectively solved; and through arrangement of a belt type conveying seed guiding unit, the plant spacing after seed feeding can be guaranteed to be uniform and accurate, and the plant spacing qualified rate of the seeds is greatly improved.

The invention discloses an air-suction vibration disk type field precise seeder for grains, and the seeder provided by the invention is mainly used for precise field sowing and seedling culture for small and medium particle grains of irregular shapes, such as super rice and the like. The air-suction vibration disk type field precise seeder for grains comprises a field travelling rack, a power source, a negative and positive air pressure source, a vibrated seed disk mechanism, a hand-held profiling sucking disk and a control unit, wherein the vibrated seed disk mechanism and the negative and positive air pressure source are installed on the field travelling rack; power is provided by a small gasoline engine; seeds are subjected to upward throwing movement to be mutually separated under theshock excitation of the vibrated seed disk; a seed disk vibration parameter is reasonably regulated, thus the seeds are in a 'boiling' moving state, thereby obviously enhancing the mobility, and reducing the seed adsorption resistance; a sucking disk panel is provided with profiling adsorption holes; and the shapes and arrangement modes of the adsorption holes can be changed according to different requirements of sowing objects. According to the invention, the precise field sowing and seedling culture for small-particle grains can be realized, the sowing effect and uniformity can be effectively improved, the seedling culture cost is lowered, requirements on seed sizes are low, and the seeds can be prevented from being damaged.

The invention relates to a grafted cistanche mechanical sowing method. A device used in the method is composed of a seed box, a feed opening, a synchronous transmission shaft, a feeding device, a feeding door, a sowing box, and a feeding trigger switch. According to the sowing method, a little amount of seeds is sprayed at small intervals of distance, namely seeds are sprayed once at every interval of distance. A proper distance between seed sowing is guaranteed, and at the same time, a sowing machine walks, so seeds can be continuously and uniformly sprayed. Precise mechanical sowing of cistanche seeds is realized. The grafting effect and sprouting effect are good. The mechanization of whole cistanche grafting process is realized. The problems that the planting cost is high and the seed waste is severe in the cistanche plantation industry are solved. Precious cistanche seed resources are greatly saved. The cistanche grafting cost is largely reduced. The development of artificial cistanche plantation industry is promoted.

The invention relates to an electric self-propelled numerical-control plot drill seeder aiming to solve the technical problems that plot seeders in the prior art are nonuniform in seeding and not precise enough in row length control. The electric self-propelled numerical-control plot drill seeder comprises a walking mechanism, an automatic control device, a seed separation mechanism, a furrowing and seeding mechanism and a lifting mechanism, and the seed separation mechanism, the furrowing and seeding mechanism and the lifting mechanism are correspondingly arranged on the walking mechanism; the seed separation mechanism comprises a seed separation unit and a seed storage unit, the seed separation unit is arranged above the furrowing and seeding mechanism, and the seed storage unit is arranged above the seed separation unit; the walking mechanism is an electric walking mechanism; the seed separation unit comprises a seed separation disc, a seed separation servo motor or a seed separation stepping motor, and the seed separation servo motor or the seed separation stepping motor is arranged below the seed separation disc, and drives the seed separation disc to rotate; the electric self-propelled numerical-control plot drill seeder has the advantages of uniform between-row and in-row seeding, high degree of automation, stepless row length setting (arbitrary row length setting), high row length control accuracy, simple operation, high sowing efficiency and the like.

The invention belongs to the technical field of rice machine-planting and planting, and discloses a quantitative machine-planting method for rice. According to the basic number of machine-planted seedlings per hole (cluster) under a specific yield target, according to the sowing method, the survival rate of machine-planted seedlings is calculated and the machine-planted seedlings are The utilization rate and the seedling rate of the seedlings in the seedling trays are used to determine the number of seeds sown in the trays. Positioning, quantitative and uniform sowing are carried out by means of hole seeding and drill seeding, and the machine-planting method of corresponding horizontal seedling times is matched. Realize the accurate digitization of seeding rate and improve the uniformity of the distribution of machine-planted seedlings.

The invention relates to a caterpillar band recess next-to-ground precise seed discharging device, and belongs to the field of agricultural machinery and equipment. The caterpillar band recess next-to-ground precise seed discharging device comprises a rack, wherein the rack is provided with a seed discharging cabin with a seed distribution hole; a seed discharging caterpillar band which can be connected with a driving mechanism is arranged in the seed discharging cabin; the lower part of the seed discharging caterpillar band corresponds to the position of the seed distribution hole; the caterpillar band is provided with at least row of recesses along the length direction of the caterpillar band; each group of recesses is connected through a seed unloading ditch; each seed unloading ditch forms an annular form along the length direction of the seed discharging caterpillar band; the width of each recess is greater than the width of the seed unloading ditch, and the depth of each recess is the same with the depth of the seed unloading ditch; the lower part of the seed discharging caterpillar band is provided with a sliver sheet; and one edge, which is far away from the seed unloading ditch, of the sliver sheet is fixed on the rear cabin plate of the seed discharging cabin. The caterpillar band recess next-to-ground precise seed discharging device changes a way of carrying out seed distribution after seed discharging into a way of simultaneously carrying out seed discharging and seed distribution, the seed discharging device is connected with a ditching device into a whole, a seed metering process and a seed distribution process are combined into a whole, so that a sowing quantity can be precisely controlled, and seedling space distribution can be precisely controlled.

The invention discloses a rice precise direct-seeding and cavitating device, which comprises a shell, a cavitating disk and a transmission shaft, wherein a disk cavity is formed in the shell, and the cavitating disk is arranged in the disk cavity; the cavitating disk comprises a connecting portion connected with the transmission shaft and a plurality of cavity partition plates radially extending out of the outer side of the connecting portion, a seed cavity is formed among every two adjacent partition cavity plates and a cavity wall of the disk cavity, a seed inlet for seeds to enter the seed cavities is formed in the upper portion of the disk cavity, and a seed output opening for the seeds in the seed cavities to be output is formed in the lower portion of the disk cavity; when the seed inlet is communicated with the seed cavities, the seeds can enter the seed cavities through the seed inlet; when the seed cavities are communicated with the seed output opening, the seeds in the seed cavities are output from the seed output opening. The rice precise direct-seeding and cavitating device disclosed by the invention is simple and reliable, convenient and quick to install, capable of effectively improving cavitation of sowing in line and capable of meeting different requirements of rice precise hole sowing.

The invention discloses a drum-type precise sowing device for hole sowing of vegetable seeds. The device comprises a switch, a stander, a feed hopper, a seed metering device, a brush, a rear walking wheel axle, wheels, a blanking hopper, an overrun clutch, a plurality of chains, a plurality of chain wheels, a front walking wheel axle and a motor, wherein the motor, the front walking wheel axle and the wheels are arranged at the front end of the stander; the rear walking wheel axle and the wheels are arranged at the rear end of the stander; the feed hopper, the seed metering device, the brush and the blanking hopper are arranged in the middle of the stander; the motor can be used for controlling the front walking wheel axle, the rear walking wheel axle and the seed-metering device by chain transmission. The drum-type precise sowing device has the characteristics of being simple in structure, convenient to operate and the like, and can be used for precisely and evenly sowing seeds at equal intervals.