4920results about "Spades" patented technology

The present invention discloses a direct-seeding machine for dry paddy fields with film covering and synchronous hole seeding for rice, which includes a frame, a rotary tillage device, a fertilizing device, a drip irrigation belt laying device, a film laying device, a soil covering device, a laser film cutting device, a seeding device, and an irrigation device provided on the frame. A depth limit assembly is attached to the front end of the frame, and a tractor support is attached to the top of the frame. The frame is connected to an agricultural machine via the tractor support. 【Effect】 The present invention has multiple functions, improves the stability, accuracy, and adaptability of the machine, improves the seeding quality of direct seeding in dry paddy fields with film covering for rice, and truly realizes the cultivation of direct seeding in dry paddy fields with film covering for rice. It solves the problem of difficult water injection during the process of direct seeding with film covering and hole opening in dry paddy fields, realizes water injection into the holes at the same time of seeding, greatly improves the seedling emergence rate of direct seeding with film covering and hole opening in dry paddy fields for rice, and can obtain complete and strong seedlings that are uniform.

The invention relates to the technical field of agricultural machinery, and discloses a straw returning strip rotary tillage, ridging and pressing device which comprises a lightweight connecting frame serving as an installation foundation of the device and integrally designed to be hollowed out; the laser radar is embedded in the front end of the lightweight connecting frame and is used for scanning the advancing direction and providing topographic data; according to the device, straw returning, rotary tillage, ditching, sowing and pressing are completed at a time, integrated operation is achieved, the time consumed by multiple times of land entering operation of a traditional agricultural machine is shortened, the efficiency is improved by 30%-40%, and through laser radar terrain scanning and sensor feedback, the working efficiency is improved by 30%-40%. The rotary tillage depth, the ditching depth and the pressing pressure are automatically adjusted, the manual intervention time is shortened, terrain self-adaption is achieved, and the device has the advantages of being high in practicability and capable of achieving terrain self-adaption.

The invention relates to the field of agricultural machinery, in particular to a multifunctional perennial root sugarcane management machine which comprises a rack, a gearbox, a stumping mechanism, a deep scarification mechanism, a rotary tillage ridge breaking system, a fertilization system, a pesticide application system and a fertilizer guide pipe. And a deep scarification mechanism and a rotary tillage ridge-breaking system which are symmetrical left and right, and a fertilizer application system and a pesticide application system which are symmetrical left and right are arranged behind the stumping mechanism. During operation, the machine is suspended, dragged and driven by a tractor, and a power output shaft of the tractor is connected with a power input shaft in front of the gearbox through a transmission shaft, so that a cutter head of the stumping mechanism, left and right rotary tillage cutter groups of the rotary tillage and ridge breaking system, the fertilization system and the pesticide application system are driven to perform stumping, ridge breaking and pocket loosening, fertilization and pesticide application; and meanwhile, the subsoiling mechanism is used for breaking and subsoiling soil between sugarcane rows, so that operations such as ridge breaking, pocket loosening, stumping, subsoiling, fertilization and pesticide application on perennial root sugarcanes are realized.

The invention discloses deep ploughing and soil crushing equipment for agricultural soil, and relates to the technical field of deep ploughing and soil crushing equipment. Comprising a cylinder, the cylinder is rotationally connected with a connecting assembly, an arc plate is fixedly connected to the outer side of the cylinder, a circular groove is formed in the outer side of the arc plate, a conical block is fixedly connected to the bottom of the arc plate, a fixing strip is fixedly connected to the inner wall of the cylinder, a circular rod is fixedly connected to the bottom of the conical block, and a sleeve is slidably connected to the outer side of the circular rod; the bottom of the round rod is fixedly connected with a reset spring, and the end, away from the round rod, of the reset spring is fixedly connected with a scraper. According to the deep ploughing and soil crushing equipment for agricultural soil, soil is dug up through an outer side arc plate and conveyed to the position near an inner fixing cylinder, the inner fixing cylinder rotates in the opposite direction, relative movement is formed between the inner fixing cylinder and the inner fixing cylinder, the shearing and kneading effects are generated, and then connection between soil particles is further damaged through crushing blocks on the outer side of the fixing cylinder; and therefore, the soil is crushed more finely.

The utility model belongs to the technical field of wind prevention and sand fixation, and particularly relates to a wind prevention and sand fixation grass scattering and laying device which comprises a frame, a ditching mechanism, a grass sowing mechanism, a seeding mechanism, a grass pressing mechanism and a spraying mechanism, and the ditching mechanism is arranged at the front end of the frame and comprises an electric push rod, two positioning plates, a connecting rod and a ditching moldboard. The rear end of the electric push rod is fixed to the frame, the top ends of the two positioning plates are hinged to the free end of the electric push rod, each positioning plate is provided with a plurality of positioning holes, the top end of the connecting rod is hinged to the front end of the electric push rod, and the middle of the connecting rod is hinged to the positioning holes in the two positioning plates. The grass sowing mechanism and the seeding mechanism are both arranged in the middle of the frame, and the grass pressing mechanism and the spraying mechanism are both arranged at the rear end of the frame. According to the device, automatic, accurate and uniform laying of the grass checks is achieved, the laying efficiency of the grass checks sand barrier is improved, the labor cost is reduced, and the device has important practical significance on environmental protection and desertification control.

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 discloses soil turning equipment for agricultural planting, and relates to the technical field of agricultural machinery, the soil turning equipment comprises a mobile vehicle body, a mounting groove is formed in the top of the mobile vehicle body in a penetrating manner, a driving motor is fixedly mounted on the outer wall of one side of the mobile vehicle body, and a soil crushing cylinder is arranged in the mounting groove. According to the soil turning equipment for agricultural planting, when soil turning operation is carried out, the driving motor drives the three digging buckets to continuously dig soil, the crushing sheets in the soil crushing cylinder are driven to crush the soil through cooperation of the large gear and the small gear, fine crushing and screening of the soil are rapidly achieved, it is guaranteed that the soil is loose and uniform, and follow-up agricultural operation is facilitated. Meanwhile, the sieve plate blocks the stones, the cross rods drive the staggered inclined rods to eject the stones to the surface layer through cooperation of the driving gear and the driven gear when the excavating bucket rotates by a specific angle, the stones are prevented from damaging the soil structure, and the stones are used for increasing the surface roughness of the soil, improving the wind and water resistance of the soil, reducing water and soil loss and maintaining fertile soil and stable structure of the soil.

The invention relates to a method for operating an agricultural implement (10), in particular an agricultural cultivator and / or an agricultural seed drill, comprising the step of: capturing sensor data relating to a current operating state of a roller (12) of the agricultural implement (10) by means of at least one sensory acquisition device (100).

The invention relates to the technical field of tea garden fertilization, in particular to a soil loosening, ditching, fertilizing and soil covering all-in-one machine for tea garden land, which comprises a vehicle body, a handrail part fixedly connected to the top of the rear end of the vehicle body in the moving direction, and a controller; the top of the vehicle body is fixedly connected with a fertilizer box; a fertilizing pipe is fixedly connected to the bottom of the vehicle body and communicated with the bottom of the fertilizer box, an electromagnetic valve is communicated in the fertilizing pipe, and the controller is used for controlling operation of the electromagnetic valve; a soil loosening assembly for loosening soil, an adjusting assembly for adjusting the soil loosening depth of the soil loosening assembly and a ditching assembly for ditching the soil after soil loosening are arranged on the fertilization pipe; a V-shaped bracket is fixedly connected to the side wall of the fertilizing pipe, and a soil covering assembly for performing soil covering operation on the furrowed soil is arranged on the bracket. The soil loosening device can adjust the soil loosening operation depth through the adjusting assembly.

A land reclamation and remediation device applied to land resource management belongs to the technical field of land remediation and comprises a tractor, a connecting rod is hinged to the rear end of the tractor, a connecting assembly is hinged to the other end of the connecting rod, and the connecting assembly is connected with the tractor through the connecting rod. The end, close to the tractor, of the connecting assembly is slidably connected with a soil turning assembly. Firstly, a first servo motor drives a soil turning knife to break soil hardening, a conveying assembly collects and conveys soil in time, the soil is finely crushed through a crushing roller, meanwhile, the soil turning depth can be flexibly adjusted through the synergistic effect of an electric push rod and a connecting frame, and the device adapts to different soil types and pollution degrees; the turning angle of the bucket is automatically adjusted along with the soil turning depth, the overall efficiency is improved, the labor cost is reduced, a solid foundation is laid for land reclamation and remediation work, the design improves the efficiency, intelligence and environmental protection of land remediation, and powerful support is provided for land resource management.

The invention provides a dry farmland soil layered fertilization device with fertilizer control and disturbance reduction functions. The dry farmland soil layered fertilization device with the fertilizer control and disturbance reduction functions comprises a frame. According to the dry farmland soil layered fertilization device with the fertilizer control and disturbance reduction functions, the deep plowshares and the two middle plowshares are arranged for ploughing, and the shallow-layer spreading pipes, the middle-layer spreading pipes and the deep-layer spreading pipes are matched for spreading fertilizers with different depths and different requirements, so that the utilization rate of the fertilizers can be increased; annular layered fertilization is beneficial to promotion of root development, reduction of fertilization times is beneficial to control of the fertilizer spreading amount, layered fertilization of wheat or corn with different depth requirements can be completed under the driving of the air cylinder, and when the shallow-layer spreading pipe, the middle-layer spreading pipe and the deep-layer spreading pipe are used for discharging materials at different depths, the fertilizer spreading amount can be controlled. And surface fertilizer accumulation at the position connected with the discharge port can be removed, so that the subsequent normal discharge is prevented from being blocked by crystals.

The invention discloses a rotary-burying-depth-adjustable straw rotary tillage returning machine, and relates to the technical field of straw rotary tillage returning machines, the rotary-burying-depth-adjustable straw rotary tillage returning machine comprises a second electric roll shaft, and a circular chuck is arranged on the outer surface of the second electric roll shaft; one side of the circular chuck penetrates through and is in threaded connection with a fastening bolt, one side of the circular chuck is provided with a square sliding hole, the inner wall of the square sliding hole is in sliding connection with a built-in sliding rod, and one end of the built-in sliding rod is fixedly connected with a rotary blade. The distance between a rotary blade and a second electric roller shaft, namely the rotary burying depth during working, is adjusted through a built-in sliding rod, the situation that due to the fact that part of soil is too loose, straw is difficult to be buried into the soil during ploughing, and the straw returning effect is affected is prevented, and when inclined thorn strips move, the inner area of a square sliding hole is cleaned in a penetrating mode; and the situation that excessive sundries are gradually accumulated in the square sliding holes to cause blockage and affect sliding adjustment of the built-in sliding rod after straw is subjected to rotary tillage for a long time is prevented.

The invention relates to the technical field of agricultural equipment, and discloses a deep soil improvement and fertilization device for traditional Chinese medicine planting, the deep soil improvement and fertilization device for traditional Chinese medicine planting comprises a case, a shunt pipe fixedly mounted in the case and a plurality of rotary digging drill bits arranged below the case, one side of the case is provided with a traction assembly for driving the case to move, and the rotary digging drill bits are of hollow structures; a multi-rotary-excavating-drill-bit parallel-connection structure is adopted, the outer side of each drill bit is provided with a spiral blade and is integrated with a hollow fertilization channel, synchronous rotary drilling of the multiple drill bits is achieved through the driving mechanism, fertilization operation can be synchronously completed in the process that the drill bits go deep into soil, and the low-efficiency mode that an insertion pipe needs to be repeatedly inserted and pulled in a traditional device is thoroughly changed; according to the device, an inclined soil penetrating design is combined with a self-rotating rotary excavating mechanism, so that the drill bit can penetrate deep soil with a small traction force, the rotary excavating drill bit can horizontally move in the soil in an inclined state, the fertilization operation can be synchronously completed in the process that the drill bit penetrates into the soil, and the fertilization efficiency is improved.

The invention relates to the technical field of seedling transplanting equipment, and provides a ridging mulch applicator convenient for high-quality planting, comprising a frame which moves on a ridge by means of an external power source; the rotary tillage unit is rotationally arranged relative to the rack, rotates by means of an external power source and is used for performing rotary tillage and soil loosening on the ridge land; the ridge fixing piece is arranged on the rack, the ridge fixing piece is located behind the rotary tillage unit when viewed in the moving direction of the rack, and after the rack moves, the ridge fixing piece forms an inserting table used for inserting seedlings on the ridge land; the soil guide part is arranged on the rack and located above the ridge fixing part, and the soil guide part is used for conveying soil raised by the rotary tillage unit in a rotary tillage mode to the position above the ridge fixing part; according to the technical scheme, the problem that potato seedlings are dead and lack of seedlings when the broken opening of a mulching film is not blocked or blocked tightly during seedling insertion in the prior art is solved.

The sowing depth control device for peanut breeding belongs to the technical field of peanut breeding and comprises a first connecting plate, one end of the first connecting plate is connected with a vehicle body, a plurality of ditching mechanisms are arranged at the end, close to the vehicle body, of the bottom of the first connecting plate at equal intervals, and a seed box is fixedly connected to the top face, away from the vehicle body, of the first connecting plate; a plurality of seeding mechanisms are arranged at the bottom of the seed box at equal intervals, each seeding mechanism comprises a first connecting pipe communicated with the seed box, a first adjusting part is arranged on each first connecting pipe, a second adjusting part is arranged below each first connecting pipe, and each second adjusting part is fixedly connected with the corresponding first connecting plate. When the device is used, the vehicle body pulls the first connecting plate to move, when the seeding depth needs to be adjusted, the ditching depth is adjusted through the ditching mechanism firstly, after adjustment is completed, the seeding depth is adjusted through the second adjusting part, meanwhile, the seeding quantity can be adjusted through the first adjusting part, and after seeding is completed, soil obtained after ditching is restored through the soil covering mechanism.

The invention discloses a soil secondary compacting device with an adjustable compacting range for agricultural seeding, and belongs to the technical field of soil compacting, the soil secondary compacting device comprises a frame, a support steel frame is fixed on the frame, and two groups of compacting mechanisms arranged front and back are arranged on the support steel frame; the pressing mechanism comprises a fixed support fixed to the supporting steel frame, a fixed pressing wheel is rotationally connected to the fixed support, and a plurality of movable pressing wheels which are sequentially arranged in the axis direction are arranged on one side of the fixed pressing wheel. The fixed pressing wheel and the movable pressing wheel of the pressing mechanism on the front side and the corresponding fixed pressing wheel and the corresponding movable pressing wheel in the pressing mechanism on the rear side are distributed in a staggered mode. And a shifting mechanism for adjusting the positions of the movable pressing wheels in the pressing mechanism and further adjusting the distance between the fixed pressing wheels and the movable pressing wheels and the distance between every two adjacent movable pressing wheels is arranged on the fixed bracket. By adjusting the position of the movable pressing wheel, the compaction range is rapidly adjusted.

The invention discloses a soybean controlled-release fertilizer and seed-fertilizer simultaneous-sowing layered fertilizer distributor, and belongs to the field of soybean planting. Comprising a bottom plate, and three discharging mechanisms are arranged on the lower surface of the bottom plate; three linkage mechanisms are fixedly connected to the front portion of the upper surface of the bottom plate. A driving mechanism is arranged on the right side of the upper surface of the bottom plate; deep scarification mechanisms are symmetrically arranged on the right side of the lower surface of the bottom plate front and back; first supports are fixedly connected to the left side of the lower surface of the bottom plate in a front-back symmetry mode, first rolling wheels are rotationally connected to the opposite sides of the two first supports through rotating shafts, a shaft rod is jointly and fixedly connected to the opposite sides of the two first rolling wheels, and a first transmission wheel is fixedly connected to the outer side wall of the shaft rod. According to the seed-fertilizer simultaneous-sowing layered fertilizer applicator for the soybean controlled-release fertilizer, the stirring mechanism is driven to work through transmission of the first roller, fertilizer caking can be effectively prevented, smooth discharging is guaranteed, and a good foundation is laid for follow-up sowing and fertilizer applying operation.

The present invention relates to the technical field of rotary tillage and seeding equipment, and discloses a rotary seeding and ditch-opening integrated machine, which includes a first frame. One end of the first frame is connected to a second frame. A height-lifting mechanism for adjusting the height of the second frame is provided between the first frame and the second frame. A pressing roller group is arranged at the bottom of the second frame. In the present invention, the first pressing roller and the second pressing roller perform pressing operations before and after the disc ditch opener opens the ditch respectively, so that the top surface of the ridge formed by the notch disc cooperating with the digging bucket disc for ridge ditch opening is leveled, and the side wall of the ridge ditch is leveled in cooperation with the pressing disc, avoiding the ridge from falling apart during the process of opening the planting ditch. The first pressing roller presses and cooperates with the soil distributing mechanism to level the soil surface. During the subsequent process of opening the planting ditch, the soil on both sides of the disc ditch opener is compacted, and while not compacting the soil density of the soil acting with the disc ditch opener, the soil excavated from the planting ditch is reduced, the space between the disc ditch openers is increased, and soil congestion is avoided.

The invention discloses a ridging, film mulching, hole sowing and soil covering all-in-one machine for potato breeder's seeds, and relates to the technical field of hole sowing of the potato breeder's seeds. A ridging mechanism is arranged at the bottom of the all-in-one machine body, and the ridging mechanism comprises a ridging soil turning plate and a ridging rotating wheel; a seeding mechanism is arranged on the left side of the bottom of the all-in-one machine body and comprises a seeding hopper, a fertilizer storage hopper and a water supply storage hopper; wherein a film covering mechanism is arranged on the right side of the bottom of the all-in-one machine body, and the film covering mechanism comprises a film releasing rotating shaft. According to the ridging, film mulching, hole sowing and soil covering all-in-one machine for the potato breeder's seeds, ridging and hole pressing operations of the potato breeder's seeds are achieved through movement of the all-in-one machine body, synchronous fertilization and water supply irrigation are achieved when the potato breeder's seeds are sown, and meanwhile hole opening mulching film outer covering is conducted after ridging is conducted; soil is conveyed by the soil shifting overturning spoon to press and cover the mulching film, so that the heat-preservation and moisture-preservation effects are improved.

The invention discloses a tea garden ditching and fertilizing all-in-one machine which adopts an electric crawler chassis which is independently driven on two sides, a fertilizing mechanism is located at the top of a whole machine frame, a ditching and earthing mechanism is located at the rear end of the whole machine frame, and the ditching depth can be adjusted by adjusting the length of a hydraulic telescopic rod; the control console is located at the front end of the whole machine frame and used for a driver to control the movement of the whole machine and the movement of all the mechanisms during driving, and meanwhile the ditching and fertilizing all-in-one machine for the tea garden can be controlled by selecting a wireless control mode under the condition that the road condition is simple. The ditching and fertilizing operation of the tea garden is more flexible; a wired and wireless combined remote control operation mode of ditching, fertilizing and earthing in the tea garden is realized; organic combination of the adjustable soil covering plate and the soil-splitting type fertilizing straight pipe is realized, and the soil crushing and covering link is more efficient; the ditching and fertilizing operation of the tea garden can be carried by a driver, and the complicated tea garden environment can be easily and timely adjusted in the operation process.

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 protective farming strip tiller, and belongs to the technical field of agricultural machinery. According to the protective tillage strip tillage machine, the mode that multiple sets of harrow blades are combined and staggered is adopted, the working efficiency of a machine tool is improved, and power fuel oil consumption is reduced. A machine frame is composed of a main machine frame and an auxiliary machine frame, and the main machine frame and the auxiliary machine frame are each provided with a harrow blade mechanism, a soil blocking mechanism, a traction beam damping mechanism and a soil crushing and pressing mechanism. According to the invention, a plurality of groups of harrow blades are arranged in a staggered manner, soil needing to be cultivated is repeatedly cut up and mixed, the harrow blades rotate in a passive manner, power output of a tractor is not needed, only traction force is needed, so that the operation speed is increased, and the power consumption is reduced. Besides, each group of harrow blades has a radian, and soil can be thrown to one side in the high-speed operation process, so that straws on the earth surface are shallowly buried, and the straws are stabilized and cannot be blown away by wind.

The invention discloses a saline-alkali soil straw smashing, injecting and returning machine and a deep burying treatment method, and relates to the field of straw smashing. The field returning machine comprises a front fixing frame and a rear fixing frame, a feeding area is arranged at the lower end of the front fixing frame, a telescopic plate is arranged at the lower end of the rear fixing frame, a protective side plate is installed at the lower end of the telescopic plate, and a front plowing roller and a rear plowing roller are arranged in the protective side plate; a feeding roller is arranged in the feeding area, a crushing roller is arranged at the end, close to the rear fixing frame, of the feeding area, a smashing area for smashing straw in a centralized mode is arranged at the end, close to the rear fixing frame, of the feeding area, a feeding area and a collecting area are arranged at the end, close to the rear fixing frame, of the smashing area, and the collecting area is fixedly connected with the rear fixing frame. A discharging area for discharging straw powder into a field ridge is installed in the protective side plate. Straw is collected in a centralized mode to guarantee the smashing effect, conveying is conducted through wind power after smashing, straw is deeply injected, and the straw returning effect is guaranteed.

The utility model relates to the field of agricultural mechanical equipment, in particular to a handheld seeder for small-particle leguminous forage grass. The utility model provides the handheld seeder for the small-particle leguminous forage grass, which can be used for conveniently adjusting and controlling the seeding spacing of forage grass seeds, improving the seeding efficiency and ensuring the seeding uniformity and consistency. A handheld seeder for small-particle leguminous forage grass comprises a support, a soil covering pressing wheel, a seeding rod and the like, the left side of the lower portion of the support is rotationally connected with the soil covering pressing wheel, and the lower portion of the support is rotationally and detachably connected with the seeding rod. When the support moves, the sowing plough turns over a planting field, meanwhile, the soil covering pressing wheel rolls, the sowing rod rotates, seeds are sown into the ploughed planting field, and the sowing distance can be controlled by changing the size of the belt roller. The effects of conveniently adjusting and controlling the sowing spacing of the forage grass seeds, improving the sowing efficiency and ensuring the sowing uniformity and consistency are achieved.

A representative system for preparing a field for planting includes: first disk blades, each exhibiting a first offset angle with respect to a tilling direction; second blades, each exhibiting a second offset angle with respect to the tilling direction; ripper shanks disposed behind the second disk blades; third disk blades disposed behind the ripper shanks, each exhibiting a third offset angle with respect to the tilling direction; fourth disk blades, each exhibiting a fourth offset angle with respect to the tilling direction; and a chopper reel disposed behind the fourth disk blades; wherein, with respect to magnitude, each of the first offset angle and the second offset angle is greater than each of the third offset angle and the fourth offset angle.

The invention relates to the technical field of agricultural machinery, and discloses an adjustable soil covering device for ginger planting, comprising: a mobile vehicle, the front side of the bottom of which is provided with a front wheel matched with the curved surface of a ridge, and the rear side of which is provided with a rear wheel with a ditch edge profiling structure; the central mixing bin is integrally formed in the middle of the mobile vehicle chassis, and a rotatable scattering disc is coaxially arranged in the central mixing bin. The mixing process of soil and fertilizer is innovatively integrated in the central mixing bin, and the fertilizer is sucked from a storage box through a Venturi negative pressure generator in a pneumatic conveying mode; the high-pressure fan provides airflow power to feed the materials into the mixing bin, non-blocking automatic fertilizer supply is achieved, the fertilizer and soil intersect in the bin, the materials are guided to spirally fall down by means of the tapered spiral flow guide column, the mixing path is prolonged, meanwhile, the ultrasonic vibration plate continuously vibrates to form lumps, it is guaranteed that the two materials are highly and evenly mixed, and the mixing efficiency is improved. And a mixed substrate with stable quality is provided for subsequent precise soil covering.

The invention discloses a large-scale planting rotary tillage fertilizer applicator, and relates to the technical field of agricultural tools, the large-scale planting rotary tillage fertilizer applicator comprises a rack, a transmission box is mounted at the upper end of the rack, transmission shafts are mounted at two ends of the transmission box, protection plates are mounted at two ends of the rack, and a driving shaft is rotatably mounted between the two protection plates; a plurality of rotary tillage blades are detachably mounted on the surface of the driving shaft, a stone crushing box is mounted at the lower end of the rack in front of the driving shaft, a partition plate is mounted in the stone crushing box, a crushing assembly is mounted between the partition plate and the stone crushing box, a plurality of arc-shaped sieve plates are mounted at the front end of the partition plate at equal intervals, and a stirring assembly is mounted in the stone crushing box above the arc-shaped sieve plates. Soil is turned over for the first time by arranging the soil turning roller, stone blocks are stirred into the stone crushing box through the arc-shaped sieve plate by using the stirring assembly, the two stone crushing rollers in the stone crushing box crush the stone blocks, the crushed stone blocks fall on the soil to change the soil structure, and the situation that the rotary tillage blades are abraded by large stone blocks is avoided.

The utility model relates to the technical field of cherry planting, in particular to a soil loosening device for cherry planting, which comprises a movable telescopic frame and a soil loosening mechanism arranged on the movable telescopic frame. The soil loosening mechanism comprises a lifting frame arranged on the movable telescopic frame, a driving assembly arranged on the lifting frame, a soil breaking assembly vertically arranged on the lifting frame in a sliding mode and a soil loosening assembly rotationally connected to the lifting frame. The soil breaking assembly and the soil loosening assembly are both in transmission connection with the driving assembly, the driving assembly drives the soil breaking assembly to move up and down, and the driving assembly drives the soil loosening assembly to rotate; the soil breaking and loosening functions are integrated on the same device, the driving assembly drives the soil breaking assembly and the soil loosening assembly to work cooperatively at the same time, and compared with a traditional mechanical or manual soil loosening mode with a single function, the soil loosening efficiency is improved, and the soil loosening operation of a large-area cherry plantation can be completed within a short time; and manpower and time cost are saved.

The invention discloses forestry land preparation equipment, and relates to the technical field of forestry protection, the forestry land preparation equipment comprises a cockpit, an obstacle removing assembly and a land preparation assembly, the horizontal longitudinal two sides of the bottom end of the cockpit are fixedly connected with first cross beams, and the bottom ends of the first cross beams are fixedly connected with second cross beams; the two horizontal transverse sides of the second cross beams penetrate through and are jointly and rotationally connected with a driving shaft, advancing wheels are arranged at the two ends of the driving shaft, and limiting grooves facing the outer side of the device are formed in one ends of the two first cross beams. By arranging the obstacle clearing assembly, obstacle clearing operation is conducted on the ground before soil preparation operation, the obstacle clearing capacity is adaptive to complex conditions of the ground, and then the working efficiency of the device is effectively improved; by arranging the adjusting mechanism, the inclination angle of the lifting mechanism can be freely adjusted, and then horizontal soil preparation operation on the ground with different gradients is achieved; a lifting mechanism is arranged, soil preparation operation is synchronously completed along with advancing of the device, and the soil preparation effect can be freely controlled according to the ground condition.

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.