228results about "Fertiliser equipments" patented technology

The utility model relates to a small-sized seeder based on air suction technology, which comprises a rack, and further comprises an air pump, a seed feeding mechanism and a ditching unit which are arranged on the rack, and the seed feeding mechanism comprises an air suction shaft controlled by a driving motor, a seed metering device, a hopper and a seed receiving hopper; the air suction shaft is communicated with the air pump, the air suction shaft is communicated with a plurality of seed-metering devices, each seed-metering device is provided with a plurality of air suction hole groups with different diameters, and each air suction hole group comprises a plurality of air suction holes which are uniformly distributed along the circumferential surface of the seed-metering device; the lower part of the seed-metering device is arranged in a hopper, a seed receiving hopper is arranged on one side of the hopper, and seeds in the hopper are transferred into the seed receiving hopper through the seed-metering device; the furrowing unit comprises a plurality of furrow openers which can be movably arranged on the rack up, down, left and right, each furrow opener comprises a furrow opener body and a seeding hard pipe, and a seeding hose is communicated between the seeding hard pipe and the seed receiving hopper. According to the utility model, a series of operations such as ditching, seed metering, soil covering and pressing can be effectively carried out, so that the accurate sowing of specified vegetable seeds is realized.

The utility model belongs to the field of seed-metering devices, particularly relates to an air-blowing and electric-driven seed-metering device of a compound seeding machine, and aims to solve the problems that an existing spoon-type seed-metering device finger clamp seed-metering device cannot adapt to high-speed seeding, an air-blowing seed-metering device cannot be developed in China at present, all seeding machines corresponding to the first three seed-metering devices adopt a land wheel transmission technology, and the seeding efficiency is low. In order to solve the problem that land wheels are easy to slip if running at a high speed under high load or working land is wet and slippery, the utility model provides the following scheme that the seeding device comprises a seed box, a seeding wheel and a display mounted in a tractor cab, the seeding wheel can be mounted through a mounting mechanism, and the seed landing speed can be increased through an air blowing mechanism; according to the invention, a good seeding effect is achieved, the complexity, failure rate, cost and weight of a transmission system are reduced through centralized driving, the continuity of operation and the purchase cost of agricultural implements are ensured under the requirement of high-strength operation, all seeding trays can be replaced once, and the working efficiency is high when crops are switched.

The invention relates to the field of agricultural machinery, in particular to an air suction type precision seed sowing device based on coaxial transmission. Comprising an air-suction type seed metering mechanism and a seed guiding mechanism which are connected through a planetary gear mechanism, a planet carrier of the planetary gear mechanism is fixedly connected with a seed suction disc of the air suction type seed metering mechanism, and a sun gear of the planetary gear mechanism is fixedly connected with a seed guide belt wheel of the seed guide mechanism; the seed suction ports of the seed suction disc and the seed guide belt have the same linear speed, and the distance between the two adjacent seed suction ports on the seed suction disc is equal to the distance between the two adjacent seed guide partition plates on the seed guide belt. Only one power input shaft is needed to simultaneously drive the seed suction disc and the seed guide belt wheel to coaxially and differentially rotate, the rotating speed ratio of the seed suction disc to the seed guide belt wheel can be strictly controlled, the radius ratio of the seed suction disc to the seed guide belt wheel is designed, so that the linear speed of a seed suction opening is the same as that of a seed guide belt, seeds adsorbed on the seed suction disc can be accurately transferred to the seed guide belt, and the seed suction disc is prevented from being damaged. The seed guide belt conveys the seeds to the ground all the time, so that precise seeding is realized.

A solidification sowing method for a side slope grass planting area aims at solving the problems that in the solidification project of the side slope grass planting area, manual sowing efficiency is low, uniformity is poor, the method is difficult to adapt to complex side slope terrains, and labor intensity is high. Conventional mechanical sowing faces the problems that the sowing amount cannot be flexibly adjusted, and the slope solidification effect can be reduced due to continuous seed conveying. The method comprises the following steps that seeds are poured into a seed storage barrel, a corner motor drives a driving drive plate to rotate, the upper side wall of a fixed barrel communicates with the seed storage barrel, a five-groove wheel is driven to rotate when a round pin of the driving drive plate is embedded into a wheel groove of the five-groove wheel, and then a shaft A and a seed conveying roller are driven to rotate; air flow generated by the air blower enters the air blowing cylinder, seeds falling from the seed conveying cylinder to the air blowing cylinder are blown to a side slope, an operator pushes the supporting assembly with the universal wheels through the pushing handle, the device flexibly moves on the side slope, and uniform sowing is completed. The device is used for solidifying and sowing in the side slope grass planting area.

The utility model provides a feeding amount adjusting device of a seeding machine, and relates to the technical field of seeding machines. The feeding device comprises a sleeve shell, an adjusting knob, a motor, a threaded adjusting rod, a driving gear, a rotating wheel, a guide rotating sleeve, a seed metering groove wheel, a seed carrying plate, a pushing and pressing block and a traction spring; an adjusting knob is welded to the right end of the threaded adjusting rod; a seed carrying plate is welded and connected to the top end of the traction spring, and a seed metering grooved wheel is welded and connected to the bottom end of the traction spring; a rotating wheel is welded to the left side face of the seed-metering grooved wheel, a guide rotating sleeve is welded to the right side face of the seed-metering grooved wheel, and the guide rotating sleeve is in sliding connection with a pushing and pressing block; through the arrangement of a threaded adjusting rod, a pushing and pressing block, a guide rotating sleeve, a seed carrying plate and a seed metering groove wheel, the adjustment work of the seed conveying and feeding capacity in a groove of the seed metering groove wheel is achieved, and the problem that a traditional seeder cannot flexibly adjust the seed feeding capacity according to the seeding quantity requirement is solved.

The utility model provides an electric air-suction type high-efficiency high-seed-throwing-rate multifunctional seeder which is driven by a tractor, the tractor is matched with a high-power generator, and the output voltage of the high-power generator is determined by the number of seeding monomers; and each seeding unit adopts an independent electric fan and an air suction type seeding device. According to the utility model, the conditions that the existing air suction type seeding machine is of a power output driving fan structure, is influenced by the size of an accelerator of a tractor and clutch switching during gear shifting, often causes the phenomena of seed loss and miss seeding due to unstable wind power or wind power interruption, and does not have a matched air suction type seeding machine with the power of less than 90 horsepower are changed. Compared with a traditional air suction type seeding machine, the air suction type seeding machine can normally work in the field without reseeding, can save 2000-3000 seeds every day, can normally work when the rotating speed of a tractor is 900 revolutions or above, and can save fuel cost by 30% or above every day compared with the traditional air suction type seeding machine.

The present application belongs to the technical field of forage grass seeding machinery, and more particularly to a bean-forage grass seed mixed sowing device with surrounding air blowing type seed sowing. The present application aims to provide a bean-forage grass seed mixed sowing device with surrounding air blowing type seed sowing. The device is not affected by the shape and size of the seeds, and can mix and sow the seeds of multi-morphology forage grasses such as legumes and gramineae in the same row, and has good adaptability. The device can realize the smooth and orderly migration of legume and gramineae forage grass seeds in the tube, and improve the consistency of the sowing amount of each row and the uniformity in the row during the mixed sowing process. A bean-forage grass seed mixed sowing device with surrounding air blowing type seed sowing, characterized in that the device comprises a rack (1), a seed supply device (2) and a surrounding air blowing type seed sowing device (3).

The utility model discloses a portable manpower drive wheat ear row precision dibbler which comprises a storage hopper, a quantitative rotating roller, a driving wheel and a transmission wheel, the driving wheel is in contact with the ground, one end of the quantitative rotating roller is rotatably connected with a connecting rod, the transmission wheel is installed at the other end of the quantitative rotating roller, and the connecting rod is connected with the storage hopper. The driving wheel is rotationally connected to the other end of the connecting rod, the driving wheel is in transmission connection with the transmission wheel, a discharging port of the storage hopper is attached to the roller surface of the quantitative rotating roller, a quantitative groove is formed in the roller surface of the quantitative rotating roller, and the quantitative groove corresponds to the discharging port of the storage hopper in position. The driving wheel is arranged to drive the transmission wheel to drive the quantitative rotating roller to rotate, the multiple quantitative grooves are used for quantitatively separating wheat seeds, sowing is conducted, the sowing uniformity and efficiency are improved, the driving wheel is arranged, the good contact effect with the ground can be guaranteed, the situation of asynchronous rotation is avoided, and the sowing uniformity is improved.

The invention discloses a no-tillage reseeding machine for grassland ecological restoration, and relates to the technical field of agricultural machinery. The device comprises a reseeding machine, a seeding mechanism is arranged above the reseeding machine, the seeding mechanism comprises a driving motor arranged above the reseeding machine, a first bevel gear is fixedly installed on an output shaft of the driving motor, the first bevel gear is meshed with a second bevel gear, and the second bevel gear and the first bevel gear are fixedly installed on a discharging shaft and a stirring shaft respectively. The discharging shaft and the stirring shaft are connected through a transmission mechanism, the discharging shaft and the stirring shaft are both rotationally installed in the seeding box, the interior of the seeding box is in a chamfering type, and a plurality of first discharging openings are formed in the interior of the seeding box. By means of the seeding mechanism, efficient and uniform stirring and seeding of seeds are achieved, an accurately-designed discharging opening and a seed containing groove are effectively prevented from blocking, it is ensured that the seeds are evenly discharged, accurate seeding of grassland ecological restoration is achieved, the seeding efficiency and the seed utilization rate are improved, and waste is reduced.

The invention discloses an adjustable dry land wheat seeding device, and relates to the technical field of wheat seeding equipment, the adjustable dry land wheat seeding device comprises a support assembly, the support assembly is provided with a moving assembly and a seeding assembly, the seeding assembly comprises a seeding frame, the interior of the seeding frame is rotatably connected with a rotating disc, and the interior of the rotating disc is provided with a plurality of grooves; an adjusting assembly is arranged in the groove, the adjusting assembly comprises a fixed rod slidably connected in the groove, one end of the fixed rod is rotatably connected with a rotating plate, a driving assembly is arranged in the seeding frame, and the driving assembly drives a moving rod and the rotating plate to slide in the groove, so that the rotating plate can block part of the groove; according to the device, the grooves in the rotating disc are periodically matched with the feeding port and the discharging port, it is ensured that seeds are put according to needs, and the problem that the plant spacing is not uniform due to traditional continuous seed discharging is solved.

The invention relates to the technical field of forest seedling raising machinery, and discloses a seedling raising and sowing device capable of realizing synchronous application of a forest mycorrhizal agent along with seeds, and by driving two groups of discharging mechanisms of independent storage assemblies for respectively containing forest seeds and mycorrhizal agents to synchronously rotate, the discharging quantity of the two materials and the advancing speed of the device are completely rigidly bound; on the other hand, it is guaranteed that the discharging proportion is constant and accurately matched with the advancing distance from the mechanical structure, finally, the materials are fully mixed through spiral mixing blades in a discharging pipe and then synchronously fall out, and the mycorrhizal agent and seeds are synchronously applied along with the seeds in the same hole; and intermittent extrusion is formed on an extrusion plate on the sliding ring, the sliding ring is driven to drive a material baffle in the storage barrel to synchronously perform circumferential reciprocating turning along with the walking speed in cooperation with rebounding reset of a reset elastic piece in the arc-shaped pipe, and the materials are continuously homogenized to avoid blocking of a discharging channel due to caking and adhesion.

The present disclosure relates to a seed planting device, and envisions a grain sowing device (100). The grain sowing device (100) includes at least one grain sowing unit (104) mounted on a frame (102). The grain sowing unit (104), a container (108), a distribution mechanism (110) disposed in a housing (106), a drive shaft (116), and an outlet manifold (118). The distribution mechanism (110) includes an inner drum (112) and a drum cover (114). The inner drum (112) is configured with a first plurality of slits (113). The drum cover (114) is configured with a second plurality of slots (115). The inner drum (112) and the drum cover (114) are rotated to distribute seeds through the slots (115) to the outlet manifold (118). A drive shaft (116) connects the grain dispensing mechanism (110) with the PTO shaft for rotating the inner drum (112) and drum cover (114).

The present application relates to the field of agricultural seeding technology, specifically is a kind of automatic seeding machine of multi-species corn mixed seeding, including the frame that is towed in field by tractor, frame is arranged with four seeders that each ridge variety is different at equal intervals in front and back, and the pushing mechanism that is pushed by active scraping to push away redundant seed is arranged on seeder, and the remedial mechanism that prevents planting position from missing sowing, the present application adopts guiding assembly to repeatedly slightly move adjustment seed clamping plate clamping seed posture, realizes stable seed taking and prevents seed from falling and missing sowing, cooperate photoelectric sensor monitoring, synchronous motor fast rotation wave wheel, fastly complete wave wheel interval replacement, to thereby remedy the missing sowing caused by seed clamping plate not successfully taking seed, in addition, scraper can push down the redundant seed on seed clamping plate by active contact mode, and then realize precision stable seed taking, active seed cleaning and missing sowing fast compensation of grain by grain seeding operation, ensure that field emergence rate overall uniformity.

The utility model discloses a no-tillage planter finger-clip seed-metering electric drive structure, which relates to the field of finger-clip seed-metering electric drive, and comprises a motor support welding piece and a drive motor fixedly mounted on the right side of the motor support welding piece, the output end of the drive motor penetrates through the motor support welding piece, and a transmission chain wheel is arranged at the output end of the drive motor. A motor driving tooth bag is installed on the right side of the transmission chain wheel through a first cross-shaped round head bolt, and an elastic pad and a large gasket are arranged between the first cross-shaped round head bolt and the motor driving tooth bag. According to the finger clamp seed-metering electric drive structure of the no-tillage planter, the rotating speed of the motor is accurately controlled by adopting an intelligent control system, so that the finger clamp seed-metering speed and quantity are accurately controlled, the seeding precision is improved, the electric drive structure is relatively simple, the use cost is relatively low, the cost consumed by a user is reduced, and the finger clamp seed-metering electric drive structure is convenient to use by a worker and easy to master; the loss in power transmission can be reduced.

The utility model relates to the technical field of seeders, in particular to a transmission mechanism for a seeder. Comprising a rack, land wheels are rotatably mounted at the bottom of the rack, two mounting plates are fixedly mounted at the top of the rack, transmission wheels are rotatably mounted at the ends, close to the land wheels, of the mounting plates, and driving chain wheels are coaxially and fixedly mounted on the transmission wheels; a driven rotating shaft is rotationally mounted on the mounting plate, a driven chain wheel is fixedly mounted on the driven rotating shaft, and the driven chain wheel is in transmission connection with the driving chain wheel through a first chain; a standard chain wheel is further fixedly installed on the driven rotating shaft, a tensioning chain wheel capable of sliding up and down is rotationally installed in the middle of the installation plate, an output shaft is rotationally installed at the end, away from the land wheel, of the installation plate, and a plurality of speed change chain wheels different in diameter are fixedly installed on the output shaft. The angular speed of the output shaft is controlled through the transmission ratios of different variable-speed chain wheels, so that the seeder can cope with soil with different fertile degrees, and the applicability of the seeder and the utilization rate of the soil are improved.

The invention relates to the technical field of seeding machines, in particular to an intelligent monitoring corn seeding machine. Comprising a rack, and the lower end of the rack is fixedly connected with land wheels and furrow openers; a seeding mechanism is arranged between the furrow opener and the land wheel; the seeding mechanism further comprises a storage bin; a feeding hole is formed in the side wall of the storage bin; a seed metering wheel is rotationally connected into the storage bin; a driving motor is mounted at the upper end of the rack; by arranging the distance sensor, when the distance sensor detects that the height of seeds accumulated in the storage bin reaches one third of the height in the storage bin, the servo motor starts to drive the baffle at the discharge port to rotate, so that the discharge port is opened, and the seeds in the storage bin are discharged into the collecting box from the discharge port; therefore, a user does not need to manually clean the seeds in the storage bin, the cleaning difficulty is reduced, and the cleaning efficiency is also improved; furthermore, the progress of seeding operation is accelerated, and the seeding efficiency of corn seeding operation is improved.

The utility model discloses a uniform seeding device for agricultural planting, belongs to the technical field of waste gas treatment, and aims to solve the technical problems that although an existing hand-push type seeding machine in the prior art can output and discharge seeds into soil at a constant speed, a worker cannot push the seeding machine to move at a constant speed, and the seeding efficiency is low. Therefore, under the condition that the seeding time interval of the seeding machine is the same, the seeding interval distance of the seeds cannot be ensured to be the same, and the growth of subsequent plants is influenced. Comprising a base, a shell is fixedly connected to the upper side of the base, a connecting block is fixedly connected to the lower side of the shell, a rotating shaft is rotatably connected to the interior of the connecting block, rollers are fixedly connected to the front end and the rear end of the rotating shaft, discharging mechanisms are arranged at the inner end and the outer end of the shell, a seeding mechanism is arranged in the shell, and each discharging mechanism comprises a bearing installed at the front end of the shell; circular shafts are installed on the inner sides of the bearings, and a driving unit is arranged at the front end of the shell.

The utility model relates to the related technical field of Chinese yam planting, in particular to a spacing-adjustable seeding machine which comprises a seeding machine supporting plate, a material distributing barrel is fixed to the middle of the left side of the upper surface of the seeding machine supporting plate, a seed feeding opening is formed in the middle of the upper surface of the material distributing barrel, and a motor is arranged in the middle of the rear end of the material distributing barrel. And two spiral rotating rods are symmetrically arranged in the distributing barrel front and back, rectangular grooves are formed in the front end and the rear end of the surface of the right side of the distributing barrel correspondingly, and conveying belts are arranged on the right sides of the rectangular grooves correspondingly. The improved seeding machine capable of adjusting the distance is provided with a reciprocating screw rod and a seed barrel, and the reciprocating screw rod is driven to rotate through a power structure of a motor, so that a connecting telescopic rod in threaded connection can reciprocate up and down, and the bottom end of the seed barrel connected with a bearing is driven to move downwards to be inserted into soil; chinese yam seeds can be directly sown into the deep ditches, so that the subsequent growth environment of Chinese yams is ensured.

The invention discloses a soybean large-ridge close-planting multi-monomer seeding machine capable of increasing per unit yield, which comprises a main beam, a traction device mounted on the main beam, four air pipe support legs fixedly connected to the main beam, air pipes mounted on the air pipe support legs, a fertilizer box assembly mounted on the air pipes and fertilizer box support legs, a fan mounted on the traction device, and a fertilizer box assembly mounted on the fan. Six furrow opener assemblies are mounted on the square beam, and a gearbox assembly is mounted on the main beam; three groups of seeding units are mounted on the main beam, the two front seeding bodies and the two rear seeding bodies are arranged at intervals, each front seeding body comprises a first seeding part, each first seeding part is fixedly connected with a pressing long connecting frame, each rear seeding body comprises a second seeding part, an extension section assembly is mounted on each second seeding part, and each second seeding part is fixedly connected with a pressing short connecting frame. According to the large-ridge close-planting soybean seeder, the plurality of groups of seeding units are arranged at large intervals, and two front seeding bodies and two rear seeding bodies of each group of seeding units are arranged, so that the large-ridge close-planting effect of soybeans can be realized, and the seeding requirement is met.

The application discloses a corn seeding device and relates to the technical field of corn planting. The seeding device comprises a hand-held frame, a finger-clamping type seeder and an electric wheel. The finger-clamping type seeder and the electric wheel are arranged on the front and rear sides of the hand-held frame respectively. A rack capable of sliding in the front-rear direction and a water spraying head are arranged on the hand-held frame and between the finger-clamping type seeder and the electric wheel. The water spraying head is fixed relative to the rack. A half gear is matched with the upper portion of the rack. A transmission assembly one is arranged between the electric wheel and the half gear. An elastic member for impeding the rearward movement of the rack is arranged on the hand-held frame. A water storage tank fixed to the hand-held frame is further arranged. The water storage tank is connected with the water spraying head through a water pipe. The application can perform point water spraying on the accurate seeding position of corn seeds, and further improves the water-saving effect.

This invention discloses an intelligent seeding device for deep tillage and stratified fertilization, belonging to the field of agricultural planting machinery. It includes a mounting plate with two feeding mechanisms on its lower surface; hydraulic mechanisms symmetrically mounted on its upper surface; two soil-covering mechanisms at the front and rear of the mounting plate; a linkage mechanism between the two opposite soil-covering mechanisms on the upper surface of the mounting plate; a drive mechanism between the two hydraulic mechanisms on the upper surface of the mounting plate; and a furrowing mechanism on the left side of the mounting plate. Addressing the problem in existing technologies where seeding requires multiple dispersed processes—furnishing, fertilizing, primary soil covering, sowing, and secondary soil covering—and often necessitates reciprocating movement to complete stratified fertilization and sowing, this device achieves continuous operation of "fertilizing—primary soil covering—sowing—secondary soil covering" through the coordinated linkage of various mechanisms.

An electrically operated agricultural planting appliance (110, 202) is used with an agricultural vehicle (100, 204). The planting appliance (110) may include a generator (130) for generating electrical power to power electronic components (123, 203) located on row units (118) of the planting appliance (110), and to power other functions of the planting appliance (110), such as lifting and / or pivoting. Operating the planting appliance (110) via electric power instead of hydraulic power eliminates the need (12) for hydraulic conduits. A wireless data communication and control system is used with an agricultural planting appliance (110, 202) and an agricultural vehicle (100, 204). The system provides bidirectional data communication and control between a control unit (206) and the planting appliance (110). The system eliminates the need (12) for wiring, and also provides the ability to remotely communicate with and control the planting implement (110). A user may wirelessly and remotely control the planting appliance (110) by inputting a command into the control unit (206).

The present invention relates to a spreader, comprising: a storage unit including a storage body defining a storage space for accommodating a material to be spread, and a storage discharge hole penetrating a lower portion of the storage body; a spreading unit that spreads the material discharged from the storage discharge hole in a forward direction; a carriage unit connected to the storage unit or the spreading unit and supporting the storage unit or the spreading unit; and a moving unit connected to the carriage unit to move the carriage unit, wherein the spreading unit includes: a rotating unit that rotates the material to be spread; a cover unit covering upper and rear portions of the rotating unit and including a cover hole communicating with the storage discharge hole; a base coupled to the cover unit and accommodating the rotating unit; a motor unit, a portion of which penetrates the base from below to be connected to the rotating unit, configured to drive the rotating unit; and an adjustment unit slidably coupled to the cover unit to adjust a region through which the material to be spread is discharged to the exterior of the spreading unit.

This invention discloses a seed sowing device and a seeder containing the same, belonging to the technical field of sowing equipment. The seed sowing device includes: a roller assembly with a seed storage cavity inside, and multiple seed discharge outlets spaced circumferentially on the roller surface; multiple seed picking structures installed within the seed storage cavity, each with multiple seed picking holes; multiple seed feeding guide structures corresponding to the seed picking structures and installed within the seed storage cavity, each with multiple seed feeding guide grooves; and multiple guide groove feeding constraint structures detachably connected to the seed feeding guide structures, each located on the side of the seed feeding guide grooves facing the inside of the roller assembly and capable of opening and closing the seed feeding guide grooves. The seed sowing device of this invention facilitates adjustment of the seed dispensing amount and enables precise seed picking and dispensing.

The invention discloses a cotton soil bowl seedling raising and sowing device, belongs to the technical field of agricultural seedling raising mechanical equipment, and aims to solve the problems of low manual sowing efficiency, poor precision, high labor intensity and high cost of existing automatic equipment in a small-scale cotton soil bowl seedling raising scene. The device comprises a seeding mechanism, a force application mechanism and an electric control system, the seeding mechanism is linked with the transmission mechanism through a moving wheel, the transmission ratio is matched with the distance between adjacent soil pot seedling culture grooves, manual pushing, namely synchronous seeding, is realized, a seeding wheel disc is provided with double-specification staggered seeding grooves matched with cotton seeds, and a material guide bin is provided with a vibration shifting piece for preventing blockage; the force applying mechanism comprises an adjustable supporting rod and supporting legs and is suitable for operators with different heights; the electric control system monitors the seeding rate in real time through the counting sensor and the display screen. The device does not need external power, and is simple in structure, low in cost, low in seed waste rate, capable of greatly reducing the labor intensity and suitable for small-scale cotton soil bowl seedling raising requirements, and the seeding efficiency is 2-3 times that of manual work.

The utility model relates to the technical field of seed sowing, and discloses a corn hybrid seed sowing and soil covering device which comprises a mounting plate, a material collecting box is fixedly connected to the upper surface of the mounting plate, a discharging pipe is connected to the lower surface of the material collecting box in a penetrating mode, a motor is fixedly installed on one side of the discharging pipe, and the output end of the motor is fixedly connected with a sowing disc. A mounting frame is fixedly connected to the lower surface of the mounting plate, two connecting shafts are fixedly connected to one side of the mounting frame, connecting blocks are rotationally connected to the exteriors of the connecting shafts, a soil covering plate is fixedly connected to one side of each connecting block, and an adjusting assembly is arranged on one side of the mounting frame. According to the soil covering device, the soil covering angle of the soil covering plate can be conveniently adjusted, the angle of the soil covering plate can be conveniently adjusted according to the soil texture when seeds are sown, the seeds can be uniformly and appropriately covered with soil, and the soil covering angle can be conveniently increased according to the characteristics that sandy soil is large in soil particle and prone to loosening; and the thickness and the stability of soil covering can be increased.

The utility model relates to a seeding machine single body down pressure control hydraulic system, a hydraulic system and a seeding machine, and the seeding machine single body down pressure control hydraulic system comprises a tractor main control valve, a pressure valve, a proportional valve and a piston rod which is used for connecting an oil cylinder of a seeding machine single body, an oil outlet 1a of the tractor main control valve is communicated with a two-way oil port 3a and a pilot oil port 3b of the pressure valve and an oil inlet 5a of the proportional valve at the same time, an oil outlet 5b and a two-way oil port 5c of the proportional valve are communicated with a rodless cavity 8a of the oil cylinder at the same time, and a rod cavity 8b of the oil cylinder is communicated with a two-way oil port 3c of the pressure valve. And an oil outlet 5d of the proportional valve is communicated with an oil return port 1b of the tractor main control valve. According to the utility model, the technical problem that the seeding accuracy is difficult to guarantee as the seeding pressure of the existing seeding machine monomer cannot be effectively adjusted according to the hardness of soil can be solved.

The utility model discloses a self -propelled corn seeding machine through setting up seed metering device, point sowing device and gear transmission, and gear transmission includes the horizontal bevel gear of being fixed on the rotating pipe and the vertical bevel gear of transmission with it is engaged, and the second drive motor is through vertical bevel gear and horizontal bevel gear one -to -one transmission, and simultaneously provides power for seed metering device and point sowing device, can guarantee the dynamic disc rotation, and point sowing device completes once up and down stroke, guarantees the sowing accuracy, realizes seed metering and sowing simultaneously, and the mounting hole of vertical bevel gear is set up along the radial direction, can adjust the mounting position of crank connecting rod, and then realizes the stroke of point sowing device is adjusted, thereby changes the seed depth of sowing, and the setting of buffer sleeve, sleeve and duck bill device can avoid the duck bill device after every sowing seed is taken out the soil, guarantees the sowing efficiency.

This utility model relates to the field of agricultural machinery technology, and in particular to an air supply system for a pneumatic seeding and planter. It includes a fan unit, a motor unit, an energy storage unit, a generator unit, and a transmission coupling unit. The generator unit is connected to the tractor's pre-installed power output shaft via the transmission coupling unit. The energy storage unit is connected to the generator unit. The motor unit is electrically connected to the energy storage unit and is also connected to the fan unit. When this pneumatic seeding and planter air supply system is working, it converts the kinetic energy output from the tractor's power output shaft into electrical energy, which drives the fan unit to operate at a preset speed. This ensures the continuous and stable operation of the air supply system, significantly improving the seeding accuracy and quality of the pneumatic seeding and planter. The drive method used in this pneumatic seeding and planter air supply system will not damage the battery or electrical system, has no requirements on the tractor's specifications, is highly applicable, and is easy to implement and promote.