2634 results about "Seeder" patented technology

The invention belongs to the technical field of intelligent agricultural equipment, and discloses an intelligent monitoring control method for mini-tiller corn seeding. During seeding operation, the speed acquisition module acquires the operation speed and determines the seeding rotation speed and the fertilizer rotation speed, the seeding system and the fertilizer system perform seeding and fertilizer application operation, and the seeding monitoring module monitors the seed falling position and feeds back the real-time operation plant spacing; the seed and fertilizer amount monitoring system feeds back the residual amount of seed and fertilizer in real time, the operation state monitoring system monitors the pressure of an air path pipeline, the pressure of a press wheel and the sowing depth in real time, and the sowing depth regulation and control system performs active profiling; after the central control system comprehensively processes the information, the data are transmitted to the man-machine interaction system to be displayed and uploaded to the network storage platform for operation information recording; and performing multi-dimensional regulation and control by using the regulation and control model during operation of the seeder. According to the invention, real-time and accurate monitoring of the whole process of sowing operation can be realized, and the method plays an important role in improvement of transparency and intelligent level of mini-tillage corn sowing operation.

The invention discloses a vegetable planting robot which is characterized in that a rack of the vegetable planting robot can be horizontally and movably arranged on a fixing frame through a horizontal debugging mechanism, and operation components on the rack comprise a punching mechanism, a seeding mechanism and a soil shifting mechanism which are sequentially arranged from front to back; the punching mechanism and the sowing mechanism perform equidistant punching and sowing on field ridges, and the soil shifting mechanism performs continuous soil shifting; before the planting robot is used, the rack is adjusted to different horizontal positions through the horizontal debugging mechanism according to the width of a field ridge and the number of rows of vegetables to be planted on the width, and then one row of holes, seeds and soil are punched, sown and shifted on the positions of different widths of the field ridge. The debugging structure is designed corresponding to the planting scene of the field ridge structure, the planting efficiency is improved, and the burden of manual operation is reduced.

The invention provides an agricultural seeding machine, and relates to the technical field of seeding equipment, the agricultural seeding machine comprises a profiling frame installed on a rack, a furrow opener and a press wheel, the furrow opener and the press wheel are connected to the profiling frame, the profiling frame is a four-bar mechanism and is provided with a lower connecting rod and a first side connecting rod, and the furrow opener is rotatably connected to the first side connecting rod; a pressing wheel frame is hinged to the first side connecting rod, the pressing wheel is rotationally connected to the pressing wheel frame, and a pressing wheel spring is connected between the pressing wheel frame and the first side connecting rod; a locking rod is hinged to the first side connecting rod, a locking rod spring is connected between the locking rod and the first side connecting rod, a first locking tooth is arranged on the upper portion of the locking rod, a second locking tooth meshed with the first locking tooth is arranged at the end of the lower connecting rod, and a material stirring baffle is connected to the end of the locking rod. The material stirring baffle can rotate when stirring soil, so that the profiling frame is locked, the furrow opener cannot float upwards, the press wheel can roll and cross soil blocks, and the influence of vertical floating of the furrow opener in a short time on the furrowing depth can be reduced.

The invention relates to the technical field of agricultural intelligent equipment, in particular to a field sowing grain distance detection system and method based on computer vision, and the method comprises the steps that an image collection module collects 4KRGB and near-infrared data of a sowing area; the image processing module is used for processing and correcting the acquired image in real time; the grain distance feature deep learning analyzer strengthens seed feature extraction through an attention mechanism based on an improved YOLOv5 algorithm, accurately distinguishes weeds from seeds, and calculates a center distance deviation value of adjacent seeds based on a preset target grain distance; the positioning fusion module fuses Beidou positioning data and a visual odometer track, generates seed longitude and latitude and burial depth coordinates by using a high-precision farmland surface elevation model, and maps the seed longitude and latitude and burial depth coordinates to a farmland electronic map; and the dynamic regulation and control execution mechanism adjusts the rotating speed of the seeder or the seeding gap according to the grain distance deviation value and a priority strategy, and dynamically corrects the grain distance. Therefore, the problems of high detection error rate, single detection algorithm, poor data relevance and the like in the prior art are solved.

The utility model belongs to the related technical field of seed sorting machines, and discloses an air suction type precision seed-metering device and a seeder, the seed-metering device is characterized in that a seed box shell is detachably connected with a cover plate, a roller is coaxial with the seed box shell, and a first driving structure is used for driving the roller to rotate; seed selection holes are formed in the roller, seed metering holes are formed in the seed box shell, the seed metering holes and the seed selection holes are correspondingly formed in the axial direction, an air suction opening is further formed in the seed box shell, the air suction opening and the seed metering holes are sequentially formed in the rotating direction of the roller, and the air suction opening is connected with a fan through a pipeline; the ejection mechanism is used for stretching out to eject the seeds from the seed selection holes to the seed metering holes when the seed selection holes rotate to correspond to the seed metering holes. According to the utility model, airflow of the fan is directly used for adsorbing seeds, so that the principle that a negative pressure space needs to be created to adsorb the seeds in the existing scheme is changed, the structural complexity and the mounting volume are reduced, the requirement on the assembly precision of the seed-metering device is reduced, the power of the required fan is reduced, and the noise generated when the fan works is greatly reduced.

A seeding assembly for direct seeding comprising a support attached to the chassis of a seeding machine; load generating means supported on said support, and a seeding frame supporting a coulter blade and a double disc assembly comprising two furrow opening discs, the coulter blade and the double disc assembly being in a tandem arrangement, with minimum distance or spacing therebetween, and the coulter blade being partially located within the seeding frame, wherein the seeding frame is attached to the support through a parallelogram system, and the load generating means transmit load to the seeding frame through said parallelogram system, and wherein the coulter blade is partially located within the parallelogram system allowing the load applied to the seeding frame to concentrate more on the coulter blade so that said coulter blade penetrates the soil.

The present invention relates to the technical field of hydroponic vegetable planting. Disclosed is an automatic sowing device for hydroponic vegetables. The present invention comprises a loading mechanism; a spraying mechanism for spraying a nutrient solution to a planting board is arranged on a side surface of the loading mechanism; a sowing mechanism for sowing seeds is arranged on a side surface of the spraying mechanism; a positioning mechanism for positioning the planting board is arranged in the sowing mechanism; a feeding mechanism for feeding the seeds is arranged in the sowing mechanism, and the feeding mechanism is located directly above the positioning mechanism. In the present invention, the sowing mechanism is provided to automatically sowing seeds, and manual sowing is avoided, thereby improving the working efficiency; moreover, the feeding mechanism is provided to guide seeds, avoiding secondary placement caused by seeds not entering planting holes of a planting board due to deviation during sowing, improving the working efficiency; in the present invention, limiting wheels are provided to position the planting board, thereby avoiding the situation in which seeds cannot enter the planting holes of the planting board during sowing.

The invention relates to the technical field of crop seeding, in particular to a multi-crop compatible pneumatic precision seeder which comprises a rack, a liquid storage tank is mounted on one side of the top of the rack, two mounting boxes are fixedly connected to the outer side of the liquid storage tank, and motors are fixedly mounted outside the mounting boxes. The output end of the motor penetrates through the outer side of the mounting box and is fixedly connected with a fixed disc, a limiting block is fixedly connected to the external eccentric position of the fixed disc, a movable frame is slidably connected to the outer side of the fixed disc, and a connecting rod is fixedly connected to the outer side of the movable frame; seed feeding is accurately controlled through a pneumatic precision seeding technology, uniform seeding and accurate fertilization are realized by matching with the design of the planting box with a quantitative fertilization function and adjustable row spacing, the multi-crop adaptability is improved, and the equipment cost, fertilizer waste and environmental pollution are reduced.

The invention relates to the technical field of agricultural machinery, in particular to a crop layered fertilization intelligent precision plowing and sowing machine which comprises a rack, a walking driving part is arranged on the rack, a sowing machine is arranged on one side of the rack, a bearing frame is fixedly connected to the side, away from the sowing machine, of the rack, and a plurality of rotary tillage assemblies are transversely arranged on the bearing frame at equal intervals; a plurality of fertilization assemblies capable of vertically sliding are arranged at the bottom of the side, close to the rack, of the bearing frame, transmission assemblies are arranged between the soil retaining assemblies and the fertilization assemblies, and the transmission assemblies are used for reducing the impact force of the soil particles raised by the rotary tillage assemblies to the soil retaining assemblies and reducing the impact force of the soil particles raised by the rotary tillage assemblies to the fertilization assemblies. Transmission is converted into driving force for the height of the fertilizing assembly. The soil texture is fed back through the impact force of soil particles raised by rotary tillage and soil disturbance, so that the layered fertilization depth is adjusted in a linkage manner, and the defects of poor adaptability between the fixed layered fertilization depth and different soil properties and soil nutrient loss in traditional tillage and sowing are overcome.

The invention discloses a seeding device for dynamic variable rate fertilization and a variable rate fertilization seeding method thereof, and the seeding device comprises a walking mechanism on which a seeding mechanism and a fertilization mechanism are loaded; the seeding mechanism comprises a seeding wheel, and a plurality of grooves for receiving seeds are annularly and uniformly formed in the wheel surface of the seeding wheel; the fertilizing mechanism comprises a fertilizing wheel, and a plurality of grooves for receiving fertilizer are uniformly distributed in the wheel surface of the fertilizing wheel in the circumferential direction; wheel shafts of the sowing wheel and the fertilizing wheel are connected with a walking wheel rotating shaft of the walking mechanism through a transmission mechanism, when the grooves rotate to the upper side, the corresponding grooves can be filled with seeds or fertilizer falling by gravity, and when the grooves rotate to the lower side, the seeds or fertilizer in the grooves can fall by means of self weight to complete sowing; and the plurality of grooves in the fertilizing wheel can be independently dormant. According to the invention, on the premise of different seeding types and seeding densities, the fertilizing amount can be dynamically adjusted according to the land fertility distribution condition, and high-precision variable fertilization is realized.

The invention relates to the technical field of wheat seeding measurement and control, and discloses a seeding depth real-time measurement and control adjusting device and a measurement and control system of a wheat seeding machine, and the device comprises a furrow opener assembly which comprises a replaceable disc-type furrow opener or a shoe-type furrow opener, and a blanking assembly which is installed through a bolt and a rack and comprises a storage tank and a blanking pipe; the press wheel and the depth limiting wheel are used for dynamically adjusting the pressure and the height through a first hydraulic cylinder and a second hydraulic cylinder connected with the press wheel; the sensor group comprises a height sensor, a pressure sensor and an ultrasonic ranging sensor; and the controller is fixed on the upper surface of the rack. By integrating height, pressure, ultrasonic wave and laser radar multi-dimensional sensors and combining with the corrected stroke adjusting quantity of a Kalman filtering algorithm, the pressure and height of a press wheel and a depth limiting wheel are adjusted, and the dynamic sowing depth is adjusted, so that the robustness and precision of depth control in a complex farmland environment are improved, and the wheat sowing depth consistency is ensured.

The invention discloses a corn seeding control method based on Kalman filtering, and relates to the technical field of seeding control, and the method comprises the steps: obtaining the speed data of a seeding machine, and initializing a filtering parameter; updating a filtering parameter based on the speed data to obtain a real-time state variable, obtaining a real-time error covariance based on the filtering parameter, and obtaining a real-time Kalman gain based on the real-time error covariance and the filtering parameter; obtaining a real-time innovation covariance matrix based on the real-time state variable, and obtaining a real-time system noise covariance and a real-time observation noise covariance based on the real-time error covariance, the real-time innovation covariance matrix and the real-time Kalman gain; circulating the above steps until a first preset condition is met, and ending the circulation to obtain filtering data; the motor rotating speed of the seeding machine is obtained based on the filtering data, the seeding machine performs seeding based on the motor rotating speed, and the problem that the speed data is inaccurate due to the fact that an existing corn seeding machine processes speed information through extended Kalman filtering can be solved.

The utility model discloses an air-blowing type precision seeding device for an air-blowing type precision high-speed seeding machine, and belongs to the technical field of seeding machinery. The air-blowing precision seeder mainly comprises two air-blowing precision seeders which are connected together through a seeding device transmission connection structure, the air-blowing type precision seeder comprises a high-pressure side shell, a rotary seed disc, a low-pressure side shell, a high-pressure maintaining structure and a seed discharging structure; the high-pressure side shell and the low-pressure side shell are connected together to form an air-blowing type precision seeder shell; the seed metering structure comprises a seed metering pipe and a seed suction hole blocking body; the rotary seed disc is rotationally connected with the high-pressure side shell; the high-pressure maintaining structure and the seed suction hole blocking body are connected with the low-pressure side shell; the high-pressure maintaining structure comprises a low-pressure side shell and a low-pressure side inner shell, and the low-pressure side inner shell is rotationally connected with the low-pressure side shell; the seeding device transmission connection structure comprises a seeding device transmission shaft and a driven chain wheel or a driven gear. The device has the characteristics of high working reliability, long service life, low maintenance rate, energy conservation, consumption reduction and the like.

A row unit for a seed-planting implement includes a frame, a gauge wheel arm pivotably coupled to the frame, and a gauge wheel rotatably coupled to the gauge wheel arm. Additionally, the row unit includes a wobble bracket configured to engage the gauge wheel arm and a linkage arm coupled to the wobble bracket. Moreover, the row unit includes an actuator, a gearbox coupled to the actuator, and a threaded shaft coupled to the gearbox. In addition, the row unit includes an actuation arm having a first end and a second end opposed to the first end, with the first end forming a hook that directly couples to the linkage arm and the second end coupled to the threaded shaft such that the actuation arm transmits rotation of the threaded shaft into linear motion of the linkage arm.

A row cleaner connected to a strip till machine clears mulch and other debris in strip or low till planting. A row cleaner frame assembly includes a pair of row cleaner arms and a pair of clearing wheels having toe-in alignment. The pair of row cleaner arms share a common plane and are pivotally connected at a pair of pivot points common or close to the rotational axis of a cutting disc. The cutting disc is disposed intermediate the pair of row cleaner arms. The row cleaner arms are configured to maintain the clearing wheels in close-proximity to the cutting disc to provide stretch and cut row clearing operation. An actuator pivotally adjusts the row cleaner assembly relative to the cutting disc. A pivot limiter restricts pivotal travel of the row cleaner. A row closing section lever adjusts toe and / or camber of a closing wheel.

The invention discloses precise fertilizer-saving hole sowing fertilization equipment for a sunflower seeder and a control method, and relates to the technical field of fertilization. The tractor comprises a tractor body and further comprises a seeder supporting frame, a seeding mechanism is arranged on the seeder supporting frame, two seeding wheels are arranged in the seeding mechanism, and induction control assemblies are arranged on the seeding wheels; a fertilizer storage box is arranged on the seeder supporting frame, and two fertilization units matched with the inductive control assembly are arranged on the fertilizer storage box. The device has the advantages that the seeding position of the seeds can be accurately monitored in the sunflower seed planting process through traction of the tractor body, accurate feeding of the fertilizer is automatically completed when the fertilizer box moves to the position close to a seed planting point, diffusion and waste of the fertilizer in soil can be reduced, the fertilizer efficiency is concentrated in a root system distribution area, and the planting efficiency of the sunflower seeds is improved. Therefore, the fertilizer utilization rate is greatly improved, the planting cost is saved, and quantitative hole sowing fertilization of the fertilizer is realized.

The invention relates to the technical field of automatic control, in particular to a depth control system and method for a seeder in a hilly and mountainous area, and the system comprises a visual module which is configured to collect a visual image of a to-be-sown area according to a first preset frequency; a data processing module configured to: convert the visual image into a depth map using an image processing model; performing gridding processing on the visual image; for each column of grids, determining at least one piece of target surface elevation data corresponding to the grid based on the depth map; determining at least one first adjustment instruction based on the preset seeding depth and the at least one piece of target surface elevation data; and the control instruction output module is configured to issue at least one first adjusting instruction corresponding to each column of grids to the corresponding depth limiting adjusting mechanism. According to the system, independent and accurate control over the ditching depth of each ditcher can be achieved through the visual preview and intelligent control technology, so that the seedling emergence uniformity and the crop yield are improved.

The utility model discloses an air-blowing type precise high-speed seeding machine, and belongs to the technical field of seeding machinery. Comprising a seeder rack, and more than one air-blowing type precision seeder, a positive pressure generating device, a seeding box, a rotary seed disc driving device and a seed furrow opener are arranged on the seeder rack; the air-blowing type precision seeder comprises a high-pressure side shell, a rotary seed disc, a low-pressure side shell, a high-pressure maintaining structure and a seed discharging structure; the seed metering structure comprises a seed metering pipe and a seed suction hole blocking body; the rotary seed disc is rotationally connected with the high-pressure side shell, the low-pressure side shell is provided with a working pressure relief airflow discharge hole, and the high-pressure maintaining structure and the seed suction hole blocking body are connected with the low-pressure side shell; the high-pressure maintaining structure comprises a low-pressure side shell and a low-pressure side inner shell, the low-pressure side inner shell is rotationally connected with the low-pressure side shell, the seed suction hole blocking body is pressed and attached to the seed release position of the rotation track of the seed suction hole, and the seed suction device has the advantages of being high in working reliability, long in service life, low in maintenance rate, capable of saving energy, reducing consumption and the like.

The fertilizer applicator for sorghum planting comprises a rack, one end, corresponding to the advancing direction, of the rack is the front end, and the two sides of the front end of the rack are fixedly connected with connecting rods used for being connected with a seeding machine; the crushing box is fixed to the top of the rack, crushing rollers are rotationally connected into the crushing box, a power motor for driving the crushing rollers to rotate is fixed to the outer side of the crushing box, a plurality of discharging ports are formed in the bottom side of the crushing box, and a plurality of discharging pipes are connected to the inclined lower portions of the discharging ports. The spiral fertilizing mechanism is arranged on the rack and provided with a spiral for controlling the fertilizing amount, and the spiral is rotationally located in the discharging pipe and adjusts the fertilizing amount based on the rotating speed of the spiral; the lifting ditching mechanism is arranged on the rack on one side, close to the front end, of the spiral fertilizing mechanism, and the lifting ditching mechanism is used for ditching a fertilizing groove; the electrical cabinet is fixed to the rack and electrically controls the fertilization state of the spiral fertilization mechanism and the working state of the power motor. The sorghum planting machine can meet the efficient and accurate operation requirements of modern sorghum planting.

The invention relates to a self-adaptive seeding density regulation and control seeder, which realizes optimization of seeding parameters by dynamically adjusting seeding density, seeding quantity, seeding depth and fertilization quantity, realizes annular fertilization by rotating a fertilization pipe, synchronously operates the fertilization pipe and a covering shovel, concentrates fertilizer around plant root systems, promotes development and extension of the root systems, and improves the seeding density. High-pressure gas is used for assisting seeding and fertilization, blockage is prevented, smooth flowing of seeds and fertilizer is ensured, the quantity is accurately controlled through the metering seed box and the quantitative fertilization box, resource utilization is optimized, resource waste is reduced, and the crop yield and quality are improved; through dynamic adjustment of sowing parameters, annular fertilization, an anti-blocking function and synchronous combined action of seed and fertilizer, the planting quality is improved, it is ensured that seeds are located at the most suitable soil depth, diseases are reduced, the health condition of crops is improved, the yield and quality of the crops are improved, resource waste is reduced, and the intelligent level of agricultural production is improved by integrating the measures.

The invention discloses a depth-adjustable sowing device for traditional Chinese medicine planting, and relates to the technical field of traditional Chinese medicine planting.The depth-adjustable sowing device comprises a drill planter body, driving wheels are symmetrically and rotatably connected to one side of the drill planter body, a seed box is fixedly connected to the top of the drill planter body, and a plurality of discharging pipes are fixedly connected to the side, close to the driving wheels, of the seed box at equal intervals; a mounting plate is connected in the drill seeder body in an up-and-down sliding mode, a plurality of furrow openers are fixedly connected to the bottom of the mounting plate at equal intervals, a plurality of worms on a transmission rod are driven by a servo motor to rotate, worm wheels meshed with the worms and a rotating disc are promoted to rotate synchronously, and the same amount of traditional Chinese medicine seeds are filled in a plurality of feeding bins on the rotating disc. And then the pressed block is extruded by the pressing block to enable the round opening to be aligned with the discharging pipe, so that equal-quantity and equal-distance sowing of the traditional Chinese medicine seeds can be realized, the conditions of non-uniform seed density in the groove and inconsistent plant spacing in the groove when the traditional Chinese medicine seeds are sown by using a drilling method are avoided, and the land utilization rate can be effectively improved.

The invention discloses a corn and soybean compound seeder based on a cloud technology in the technical field of agricultural seeding equipment. The corn and soybean compound seeder comprises a dragging machine, a bracket is arranged at the tail of the trailer; a plurality of seeding mechanisms are arranged on the bracket; the seeding mechanism comprises a furrow opener, a seed metering assembly and a pressing assembly; the furrow opener is used for digging a planting groove in soil; a depth adjusting assembly is arranged on the furrow opener and is used for adjusting the depth of the planting groove; the seed discharging assembly is used for sowing seeds into the planting grooves; the compacting assembly is used for compacting soil; a mass center adjusting assembly is arranged in the pressing assembly; the mass center adjusting assembly is used for adjusting the mass center position of the pressing assembly in response to operation of the depth adjusting assembly; the system further comprises an acquisition unit and a cloud platform. The acquisition unit is used for acquiring soil information. The cloud platform is used for judging the seeding depth based on the soil information and controlling the operation of the depth adjusting assembly. According to the scheme, the sowing depth and the pressing strength can be accurately adjusted, and the seed germination rate and emergence rate are improved.

An improved bulk transfer system for an agricultural seeder or planter breaks up the central fill system into two stages for supplying a plurality of agricultural products simultaneously to an array of metering pods, each pod containing a plurality of metering assemblies. Firstly, there is a continuous transfer of agricultural product from a trailing product cart to intermediate mini tanks mounted on a central frame and located adjacent the seeding drills and plurality of metering assemblies. The pressurized mini tanks receive agricultural products on demand. Secondly, agricultural products are transferred on demand from the mini tanks to each of the corresponding metering assemblies along the seeding drill. This arrangement enables redistribution of the weight of the bulk of the product farther away from the seeding drills, allowing for greater tow-behind product volumes.

The invention provides a seeding mechanism, a control method thereof and a seeder. The seeding mechanism comprises a suspension type leveling mechanism, a seeding depth adjusting mechanism, the seeding mechanism and a control system, the suspension type leveling mechanism detects the angle between the seeding mechanism and the ground; the seeding depth adjusting mechanism is arranged on the seeding mechanism and detects a real-time seeding depth value; the control system compares the detected angle between the seeding mechanism and the ground with a preset value, and controls the suspension type leveling mechanism to adjust the angle between the seeding mechanism and the ground according to an angle comparison result, so that the angle between the seeding mechanism and the ground is adjusted to be within a preset value range; the control system compares the real-time sowing depth value with a preset sowing depth value, and controls the sowing depth adjusting mechanism to adjust the height between the sowing mechanism and the ground according to a sowing depth value comparison result, so that the sowing depth value is within a preset value range. The seeding angle of the drill seeder can be changed according to the ground environment, so that the drill seeder is relatively parallel to the ground, the seeding depth is monitored and controlled in real time, and the seeding precision and efficiency are improved.

A plant holder that is configured to hold multiple plant pots and that is rotatable so that the pots may be positioned on either side of the planter or positioned in a flat work-table like manner

The invention relates to the technical field of agricultural equipment, and discloses a peanut film mulching hole-free seeder which comprises an integrated frame, and a connecting frame is arranged at the front end of the integrated frame and used for being connected with a traction machine in a hanging mode; according to the device, a weakening point is accurately preset on a mulching film through a liftable micro hot needle, the traditional manual or mechanical hole breaking is replaced, a hole-free seeding mode of one hole and one point is realized, and the hole-free seeding efficiency is greatly improved. According to the method, the complex procedure of manual film breaking is avoided, the labor intensity is reduced, through the controllable design of the weakening points, it is ensured that peanut seedlings naturally break the mulching film, damage to roots is reduced, the emergence rate and the survival rate are increased, and meanwhile the problem of weed breeding or soil moisture loss caused by too large broken holes is effectively solved.

The present invention relates to the field of seed drill control technology, and discloses a sowing depth control device for corn no-till sowing with synchronized single-body movement. The device comprises a sowing depth detection system, a traction frame, a transverse tube, multiple contoured depth-limiting wheels, and multiple sowing units with mechanical parallelepiped contouring structures. The device also comprises a longitudinal adjustment mechanism fixedly connected between the sowing units and the transverse tube. The sowing depth detection system controls the movement of the longitudinal adjustment mechanism via multiple hydraulic cylinders, adjusting the lateral height of the sowing units by varying the height, thereby adjusting the sowing depth according to the terrain. The transverse adjustment mechanism is installed between the transverse tube and the traction frame. The sowing depth control device for corn no-till sowing with synchronized single-body movement can adjust the sowing depth in multiple directions, is suitable for sowing operations on various complex terrains, and can also adjust the posture of the seeder to ensure stable seeding by the seeder.

The utility model relates to the technical field of seeding machines, in particular to a seeding machine with a seed disc sweeping function, which is provided with a conveying component, a punching component, a seeding component and a seed feeding component, and the punching component, the seeding component and the seed feeding component are sequentially mounted on the top surface of the conveying component. The sowing component comprises a sowing assembly, a seed suction assembly, a seed disc assembly and a seed sweeping assembly, the bottom end of the sowing assembly is connected with the conveying assembly, the seed suction assembly and the seed disc assembly are both installed at the top end of the sowing assembly, the seed suction assembly is located above the seed disc assembly, and the discharging end of the seed conveying component is connected with the feeding end of the seed disc assembly; and the seed sweeping assembly is mounted on the seed disc assembly, so that peripheral seeds are swept to the notch through the seed sweeping assembly, the notch generated after the seeds in the seed disc assembly are sucked is quickly recovered, the seed suction assembly can suck sufficient seeds every time the seeds are sucked from the seed disc assembly, and normal seeding operation is ensured.

The utility model provides a single-opening potato seed bowl type uniform seeding unit of a potato seeder, which is characterized in that a mounting frame is mounted on a rack of the potato seeder, a potato seed hopper is mounted on a rear plate surface of a mounting plate of the mounting frame, a shield is mounted on a front plate surface of the mounting plate, and a potato guide cylinder is arranged in the shield; guide plates are arranged at the bottom end of the potato guide cylinder, and the two guide plates are respectively arranged at the joints of the linear sections on the two sides and the arc-shaped section at the bottom of the potato guide cylinder; a mounting seat is arranged on one side of the single-opening potato seed bowl of the conveying device, and a groove is formed in the outer edge, far away from the mounting seat, of the convex surface; a conveying belt is hung on a driving roller and a driven roller which are supported on the mounting frame, two rows of convex blocks are arranged on the annular inner surface of the conveying belt, and two rows of single-opening potato seed bowls are arranged on the annular outer surface of the conveying belt; the shaking device is installed on the installation frame and located below a driving roller of the conveying device and in a ring of the conveying belt. The seeder is high in seeding precision and good in row spacing uniformity.

The invention relates to the technical field of crop cultivation, in particular to a red bean plastic film mulching water-saving and fertilizer-retaining cultivation method, and aims to solve the problems that the integrity of an existing plastic film is damaged, the utilization efficiency of water and fertilizer is low, and the labor intensity of field management is high. The cultivation method is characterized by comprising the steps of soil preparation and bedding, base fertilizer application, laying of a drip irrigation belt below the center line of a ridge body, laying of a mulching film with prefabricated holes, accurate guiding of red bean seeds into the holes of the mulching film through a precision seeder, water and fertilizer integrated accurate management in the whole process, and prevention and control of diseases, weeds and weeds in combination with green prevention and control measures. By adopting the technical scheme, the utilization efficiency of water resources and fertilizers can be remarkably improved, stable performance of the mulching film is ensured, the labor intensity is reduced, and the effects of saving water, retaining fertilizers, saving labor, increasing yield and protecting environment are achieved.