1201results about "Tilling equipments" patented technology

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 relates to the technical field of orchard planting, in particular to an orchard intelligent gas explosion deep scarification fertilizer applicator which comprises a supporting table used for supporting a device body, a protective frame is mounted at the top of the supporting table, and a gas pressure controller used for soil gas explosion deep scarification and an automatic driving control controller are mounted in the protective frame. By arranging the fertilizing mechanism, the device can sow seeds while loosening soil through gas explosion, the gas pressure of a gas storage tank is controlled through a gas pressure controller, when the seeds move into a through pipe from a feeding pipe, the seeds slide directionally due to the arrangement of a wedge-shaped surface, and the position of a gas outlet plate is adjusted through an electric push rod; the multiple sealing blocks form a closed space for the partition plate area, the multiple limiting blocks divide the seeds in the multiple through pipes in a limited mode, and the multiple air outlets correspond to the multiple feeding holes, so that air impact acting force is released to the seeds, the seeds can be released through the discharging holes, and meanwhile the loosening effect can be generated on internal soil.

The utility model relates to the technical field of plowing devices, in particular to a plowing device. The problem that the distance between rotary blades on an intertillage device in the prior art is difficult to adjust is solved, and the practicability of equipment is improved. The device structurally comprises a fixing frame, one end of the upper side of the fixing frame is connected with a tractor, the fixing frame is further rotationally connected with a rotating shaft, the rotating shaft is connected with a plurality of plowing wheels in a sliding mode, a plurality of cutting blades are fixed to the peripheries of the plowing wheels, and the fixing frame is further provided with a distance adjusting structure used for adjusting the distance between the plowing wheels. According to the utility model, the design that plowing wheels are directly and fixedly arranged on the rotating shaft in the prior art is replaced, so that the distance between the plowing wheels can be adjusted according to the actual soil condition and the variety of cultivated crops, the best cultivation effect of the soil can be achieved, the pressure between the blade and the soil is reduced, the working efficiency is improved, and the labor intensity of workers is reduced. And energy loss is reduced.

Methods, systems, and computer program products for implementing a soil analysis process. A set of soil data may be received at a device from one or more soil sensors. The one or more soil sensors may be coupled to a portion of an agricultural machine configured to be in contact with soil. The device may be configured to analyze soil when a portion of the one or more soil sensors is in contact with the soil. Spectral data and soil conductivity and / or capacitance data may be obtained based on the collected set of soil data. Analyzed soil data may be determined based on the spectral data and soil conductivity and / or capacitance data. The analyzed soil data may be provided to a user device configured to display a visual representation of at least part of the analyzed soil data.

The invention discloses a rotary tillage coulter capable of reducing viscosity and resistance, and belongs to the technical field of agricultural machinery. Comprising a cutter shaft, a plurality of cutter sleeves are rotationally installed on the cutter shaft, cutters are installed in the cutter sleeves, and the installation directions of every two adjacent cutters in the circumferential direction of the cutter shaft are opposite; the moving assembly comprises a double-thread lead screw rotationally connected with the cutter shaft and a plurality of top plates sliding in the cutter shaft, two sets of adjusting plates are arranged on the double-thread lead screw in a threaded fit mode, the two top plates on the opposite sides are installed on the same adjusting plate, a plurality of connecting pipes are rotationally installed on the top plates, and the adjusting rods of the cutter sleeves are sleeved with the connecting pipes. The adjusting plate can be driven by rotating the double-thread lead screw to drive the top plate to move in the reverse direction or the same direction, then the cutter sleeve and the cutter are made to rotate around the axis of the sleeve through cooperation of the connecting pipe and the adjusting rod, and accurate adjustment of the cut-in angle is achieved; different rotary tillage requirements can be met, and the operation flexibility is improved.

A multi-source organic material fertilizing device relates to the technical field of soil improvement, and comprises a rack, a composite cultivation assembly and an organic material rapid mixing and crushing assembly, the right side of the rack is fixedly connected with a mounting rack, and both sides of the rack are fixedly connected with moving wheels. According to the application, through the composite cultivation assembly, the ploughing depth of a tilling cutter is adjusted by utilizing a hydraulic cylinder, a control panel ensures that the tilling cutter stably ascends and descends, a positioning sleeve limits the moving track of the tilling cutter, a rotary tillage sowing mechanism immediately crushes soil after the tilling cutter performs ploughing, and organic materials are uniformly mixed into deep soil through a rotating pipe and a crushing paddle; synchronous operation of ploughing, rotary tillage and mixing is achieved, the tedious process that multiple devices are needed and multiple times of field operation are needed in traditional step-by-step operation is avoided, operation time and human input are reduced, the overall operation efficiency is improved, cost is reduced, and meanwhile it is ensured that organic materials are evenly distributed in soil through one-time deep mixing.

The utility model discloses a ditching and fertilizing device for planting, which comprises a mounting plate, a fertilizing mechanism is arranged at the bottom of the mounting plate, supporting legs are arranged at the bottom of the mounting plate, a soil covering mechanism is arranged on the inner side of the supporting leg on one side, and a crushing mechanism is arranged at the bottom end of the supporting leg on the other side. And the crushing mechanism and the fertilizing mechanism are provided with a transmission mechanism. According to the utility model, the crushing mechanism is arranged and can be linked through the fertilization mechanism and the transmission mechanism, and the crushing wheel is driven to perform pre-crushing treatment on the ground, so that the adjustable ditching structure performs ditching operation on the land, and the pre-crushing treatment is adopted, so that the soil is looser; furthermore, the adjustable ditching structure can move more quickly for ditching, the ditching efficiency is greatly improved, meanwhile, through belt transmission linkage, only one group of driving mechanism is needed, the equipment cost is saved, the electric energy is saved, and the use efficiency of the adjustable ditching structure is higher.

The invention discloses a self-adaptive adjustment strip tillage machine, and belongs to the technical field of agricultural machinery. The strip tillage machine comprises a rack assembly, and a subsoiler assembly, a strip tillage assembly, a pressing assembly and a hydraulic source assembly are arranged on the rack assembly; at least one subsoiler assembly is provided with a soil moisture content detection device, the signal output end of the soil moisture content detection device is connected with a controller, the pressing assembly comprises a pressing roller frame hinged to the rack assembly, a pressing roller is installed on the pressing roller frame, a hydraulic motor is connected to the pressing roller, and a hydraulic position adjusting assembly is connected between the pressing roller frame and the rack assembly. The output end of the controller is electrically connected with the hydraulic source assembly, and the hydraulic source assembly is in hydraulic connection with the hydraulic position adjusting assembly and the hydraulic motor. The soil moisture content detection device can automatically detect the water content of soil, converts the water content of the soil into an electric signal and transmits the electric signal to the controller, and the controller can adjust the pressing force of the pressing assembly and the rotating speed of the pressing roller according to the water content of the soil.

The invention relates to the technical field of agricultural machinery, in particular to a self-propelled multifunctional dry land leveler and an operation method, and the self-propelled multifunctional dry land leveler comprises a machine body, a tillage component, a soil taking component, a conveying component, a stock bin, a soil discharging component, a land leveling device and the like. The tilling part is arranged at the front end of the land leveler, so that the tilling depth can be controlled according to elevation data; the soil taking component and the conveying component are arranged, so that surface soil after cultivation can be collected to the feeding end of the conveying component, and the soil is further conveyed to the stock bin through the conveying component; a soil discharging part is arranged, and soil in the stock bin can be evenly spread to the ground lower than the datum plane according to elevation data; the rear end of the machine tool is also hooked / dragged with the leveling equipment, and the final leveling operation process can be realized according to the elevation data.

According to the rice cultivation seedbed field surface terrain and cultivation depth integrated measurement method and the rice cultivation seedbed preparation equipment, a rotary cultivator serves as a measurement platform, and a double-antenna GNSS and an IMU are installed on a rack and a dragging plate respectively so as to measure the course angle, the pitch angle and the roll angle of the cultivator and the rotation angle of the dragging plate relative to the rack; establishing a vehicle body coordinate system; establishing a spatial position vector of the deepest soil cutting point of the rotating blade and a carriage profiling point under a vehicle body coordinate system; during rotary tillage operation, a homogeneous coordinate transformation method is adopted to synchronously measure three-dimensional coordinates of the deepest soil cutting point and the profiling point under coordinates of the east, north and sky, and a deepest soil cutting point set and a profiling point set are constructed; combining the two point sets, extracting plane coordinates of the farmland boundary, and arranging plane grid points; estimating the field terrain height of each plane grid point by using the profiling point set; and estimating the tilling bottom layer terrain height of each plane grid point by using the deepest soil point set, and calculating the tilling depth of each grid point. The invention has high efficiency and accuracy, and belongs to the mechanical agricultural equipment manufacturing technology.

A combined seeder for full straw mulching condition operation includes a frame, where a seeding and fertilizing mechanism is arranged above the frame, a pre-sowing pressing mechanism is arranged below the frame, a mechanical transmission mechanism is arranged in the middle of the frame, the two ends of the mechanical transmission mechanism are respectively connected with the furrowing mechanism and the vertical rotary tillage mechanism, the vertical rotary tillage mechanism is arranged in front of the frame, and the furrowing mechanism and a seeding profiling mechanism are arranged behind the frame. Th combined seeder for full straw mulching condition operation can complete the strip vertical rotation, crushed soil leveling, side deep fertilization, pre-sowing suppression, strip monomer profiling sowing in clean areas, and other processes in one operation under the full straw mulching condition, which greatly improves the operation efficiency and alleviates the problem of the tension of crop rotation.

The invention discloses a field plowing rotary cultivator, which relates to the technical field of agricultural machinery and comprises a machine body frame, a gearbox is fixedly connected to the interior of the machine body frame, and two connecting seats are fixedly connected to the surface of one side of the machine body frame. In the embodiment, the machine body frame is in three-point suspension connection with the tail of a tractor through the connecting seat, the input end of the gearbox is connected with the output end of the tractor, the transmission shaft drives the rotary blade to turn soil, the bearing seat supports the transmission shaft to avoid vibration, the baffle prevents soil from splashing, and the rotary blade is made of silicon nitride ceramic matrix composite materials and is reinforced by adding carbon fibers. The machine body frame is made of a high-performance resin-based composite material and a mixed reinforced material of modified epoxy resin, modified glass fibers and modified aramid fibers, and compared with a traditional metal frame, the machine body frame has the advantages that the weight is reduced, excellent corrosion resistance is achieved, rust-proof treatment is not needed, and the service life is prolonged. The device can be used for a long time in a humid and muddy field environment without being damaged.

The invention belongs to the technical field of corn planting, and particularly relates to a soil preparation and hole sowing all-in-one machine for post-wheat multiple cropping of corn. The stubble cleaning assembly is arranged on the front side of the fertilizer applicator; the plurality of seeding machines are arranged on the rear side of the fertilizer applicator; the multiple rolling assemblies are arranged on the fertilizer applicator and located on the rear sides of the multiple seeding machines correspondingly; the stubble cleaning assembly comprises a horizontal pushing part and a rotary tillage part arranged on the rear side of the horizontal pushing part, the rotary tillage part is detachably connected to traction equipment, and the horizontal pushing part can push wheat stubbles away from the working range of the rotary tillage part; when corn is sown in a wheat stubble field, hard stubbles and wheat roots in the wheat stubble field can be removed, the hard stubbles and the wheat roots are prevented from entering the operation range of the rotary cultivator to be smashed and then turned into soil, a breeding environment is prevented from being provided for germs and worm eggs, and the yield of corn is improved. The influence on the growth of the corn seeds caused by the rotting of the straws in the soil is avoided.

The utility model relates to the technical field of agricultural machinery, and discloses a four-wheel-drive rotary cultivator capable of improving operation stability, which comprises a power assembly, a front gearbox, a rear gearbox, a front wheel shaft and a rear wheel shaft, the front wheel shaft and the rear wheel shaft are respectively and detachably connected with a walking wheel or a cultivation tool, and the power output end of the power assembly is connected with a power transmission part. The front gearbox and the rear gearbox are mutually independent and are in independent transmission connection with the power assembly through the power transmission part; the front gearbox drives the front axle, and the rear gearbox drives the rear axle. Through independent driving of the front wheel and the rear wheel, the operation stability of the rotary cultivator in different farmland environments is improved, and the soil plowing quality is guaranteed.

The invention discloses an agricultural deep ploughing and fertilization integrated device and a use method thereof, and relates to the technical field of deep ploughing and fertilization. According to the agricultural deep ploughing and fertilizing integrated device and the using method thereof, the agricultural deep ploughing and fertilizing integrated device comprises a moving table main body, a rotary blade driven by a motor is assembled in the moving table main body, and a storage box is assembled at the top of the moving table main body; and the spraying pipeline is rotationally connected to the side face of the moving table main body. According to the agricultural deep ploughing and fertilizing integrated device and the using method thereof, the moving table body is driven to move, meanwhile, a rotary tillage blade driven by a motor is started, rotary tillage can be conducted on land, and through cooperation of a cam, a first hydraulic bin, a first stress rod, a first transmission rod, a first spring, a connecting rod, a stress plate and a power rod, rotary tillage can be conducted; the liquid fertilizer can be repeatedly sprayed to the land through the spraying pipeline and the nozzles, so that the land is completely covered by the liquid fertilizer, and the fertilizing effect of the device is improved.

The invention provides a bionic stubble cutting knife, a bionic stubble cutting knife device and a design method, and relates to the technical field of agricultural machinery, the bionic stubble cutting knife comprises a knife disc base body and a plurality of knife teeth uniformly distributed along the circumference of the knife disc base body in the same direction, each knife tooth comprises a main cutting edge, a tooth tip, a knife back and a tooth root reinforcing rib which are connected in sequence, and the angle of the main cutting edge imitates the upper jaw of a earwig. The outer contour curve of the cutter tooth is formed by sequentially connecting a main cutting edge curve, a tooth top curve, a cutter back curve and a tooth root reinforcing rib curve in a transition mode, and the connecting points of the curves are tangent. The bionic stubble cutting knife device comprises a bionic stubble cutting knife, a connecting structure, a vibration reduction structure, a connecting spring and a driving device, and the vibration reduction structure adopts a two-stage composite vibration reduction system. Through a bionic cutting structure, a two-stage vibration reduction system and a flexible adaptive design, cooperation of efficient cutting, stable operation, cost reduction, efficiency improvement and environmental protection is achieved, a better solution is provided for agricultural stubble cutting operation, and technological upgrading of agricultural machinery equipment is promoted.

The utility model discloses a mountain flue-cured tobacco pond forming machine, and relates to the technical field of flue-cured tobacco pond forming machines, the mountain flue-cured tobacco pond forming machine comprises a frame, a support is fixedly connected to the front side of the frame, a connecting frame is fixedly connected to the front end of the support, and movable front wheels are symmetrically arranged on the two sides of the bottom of the support; a driving box is arranged in the middle of the frame, a storage battery and a motor are arranged in the middle of the driving box, and a drill bit is connected to the output end of the lower portion of the motor; movable rear wheels are symmetrically arranged on the two sides of the bottom of the frame, a transmission mechanism is arranged between the driving box and the movable rear wheels, and the driving box can move up and down along with rotation of the movable rear wheels under the action of the transmission mechanism. Therefore, in use, the driving box drives the drill bits to move up and down to dig a mound, and the movable rear wheels rotate by a circle to sequentially control the drill bits to move up and down, so that fixed-distance dig is realized, the depth, size and distance of a pond pit are consistent all the time, and the dig effect is improved.

The invention discloses a height-adjustable standardized orchard obstacle avoidance mower, and relates to the field of agricultural machinery. The machine comprises a rack, a stubble mowing component, a fixed rotary tillage weeding component, an obstacle avoidance rotary tillage weeding component, a transmission system and a height adjusting system. The rack is connected with power equipment through the three-point suspension part, the stubble mowing part is arranged in the middle of the rack, the fixed rotary tillage weeding parts are symmetrically distributed on the two sides of the rack, and the obstacle avoidance rotary tillage weeding part is correspondingly arranged behind the fixed rotary tillage weeding parts and can transversely stretch out and draw back to avoid obstacles. The transmission system distributes power to all operation components, and the height adjusting system adjusts the height of the depth limiting wheel, the height of the fixed rotary tillage component, the height of the obstacle avoiding rotary tillage component and the height of the press wheel through a lead screw mechanism and an adjusting plate. The height-adjustable stubble mowing and interplant obstacle avoidance rotary tillage weeding integrated machine achieves interline height-adjustable stubble mowing and interplant obstacle avoidance rotary tillage weeding integrated operation, obstacle avoidance is reliable, height adjustment is flexible, and the height-adjustable stubble mowing and weeding integrated machine is suitable for efficient mowing and weeding of standardized orchards.

An overload protection device of a rotary cultivator is simple in structure, an overflow valve is mounted on an oil supply pipeline of a hydraulic motor, and when a rotary blade or a rotary blade shaft touches an obstacle which cannot be cut off, hydraulic pressure at an oil inlet of the hydraulic motor is increased suddenly, so that the overflow valve is opened to quickly release pressure, and the rotating speed and torque of the hydraulic motor are quickly reduced; therefore, impact is buffered, overload protection is achieved, and the rotary blade and the blade shaft can be protected. Meanwhile, after the rotary blade can rotate at a low speed to bypass an obstacle, the oil supply management hydraulic pressure is lowered, the overflow valve is closed, so that normal oil supply to the hydraulic motor is recovered, the working state of the rotary blade can be automatically recovered, manual operation is not needed, use is very convenient, and efficiency is high. In addition, a buffering assembly can be additionally arranged, the transmission tile is driven to be far away from the cutter shaft through hydraulic force generated when the oil pressure of the oil supply pipeline is increased suddenly, and therefore power between the rotary blade or the cutter shaft and the hydraulic motor is rapidly disconnected, impact force is rapidly buffered, and overload protection performance is further improved.

This invention discloses an agricultural tillage and soil-turning machine, relating to the field of agricultural machinery technology. The machine includes a fixed plate and tillage blades. A power shaft driven by a motor is rotatably connected inside the fixed plate. A mounting base is fixedly connected to the outside of the power shaft, and a mounting cylinder is fixedly connected to the outside of the mounting base. A hydraulic chamber is driven to the outside of the power shaft. A movable block is connected to the inner wall of the hydraulic chamber via an elastic telescopic plate. An arc-shaped rod is slidably connected to the side of the hydraulic chamber. By increasing the rotational speed of the power shaft, and in conjunction with the hydraulic chamber, elastic telescopic plate, movable block, arc-shaped rod, hydraulic chamber, force-bearing rod, transmission rod, spring, spring, limiting block, and limiting groove, this agricultural tillage and soil-turning machine can improve tillage efficiency while maintaining the stability of the tillage blades during use, thereby enhancing the tillage effect of the device under these conditions.

The utility model discloses a crop cultivation machine tool, a power traction mechanism takes a tractor as traction power, the tractor comprises a front frame and engine mounting frame welding group, a front wheel and steering group, a rear axle frame gearbox rotary cultivator general assembly, a rear frame, a positive and negative thread connecting rod, an oil cylinder and an engine, and the rear frame comprises a sliding outer square tube; the front frame and engine installation frame welding set comprises a front frame, an engine installation frame and a sliding inner square pipe, the engine is installed on the engine installation frame, the engine installation frame is installed on a sliding outer square pipe, and the sliding inner square pipe is sleeved with the sliding outer square pipe. The rear axle frame gearbox rotary cultivator assembly comprises a rear wheel set, a gearbox, a cultivation operation machine tool, a fixing square pipe and a height adjusting connecting device, the gearbox is hinged to a rear frame, the gearbox is in transmission connection with an engine through a V-shaped belt, the gearbox and the engine move synchronously, and the rear axle frame gearbox rotary cultivator assembly is simple in structure, small in size, flexible in operation and diversified in function.

The utility model is suitable for the technical field of agricultural mechanical equipment, and provides soil loosening equipment applied to traditional Chinese medicine planting. The mounting frame is arranged on the frame, a rotating motor is fixedly mounted on one side of the mounting frame, a rotating rod is rotatably mounted on the mounting frame, one end of the rotating rod is fixed with an output shaft of the rotating motor, and a plurality of soil turning knives are arranged on the rotating rod; the storage box is used for storing chemical fertilizers and is fixedly mounted on the frame, a discharging pipe is arranged at the bottom of the storage box, and a proportional valve is arranged on the discharging pipe; and the fertilizer screening box is arranged on the frame, and the fertilizer screening box is positioned behind the soil turning knife. According to the soil loosening equipment applied to traditional Chinese medicine planting, automation and high efficiency of soil treatment and fertilization operation are achieved, precise application of chemical fertilizer is ensured, and the soil quality and the crop growth environment are improved.

The application relates to a ridge pressing roller device which comprises a first adjusting seat, a second adjusting seat and a ridge pressing roller body; the first adjusting seat comprises a movable adjusting rod, the lower end of the adjusting rod is connected with the ridge pressing roller body, one end of the second adjusting seat comprises a first rotating shaft, the ridge pressing roller body is arranged on the first rotating shaft, the other end of the second adjusting seat comprises a first fixing assembly and a second fixing assembly, the first fixing assembly and the second fixing assembly are connected through a second rotating shaft, the first rotating shaft is arranged on one end of the second fixing assembly, when the ridge pressing roller body moves up and down, the second rotating shaft enables the ridge pressing roller body to move up and down, and the adjusting rod provides a moving space for the ridge pressing roller body. The ridge pressing roller body of the application can move up and down along with the height difference of the ridge, so that the ridge pressing roller body of the ridge pressing roller device of the application can adapt to the uneven ridge, and the ridge pressing effect is better.

An agricultural machine for arrangement on a vehicle, wherein during movement of the machine in the travel direction an area of soil at least between plants arranged parallel to the travel direction in row crops can be tilled by the machine, wherein the machine comprises a soil tillage tool, which is pivotable back, counter to the travel direction, about an axis of rotation running in a height direction of the machine out of a transverse direction arranged perpendicular to the travel direction and perpendicular to the height direction and / or is movable towards the machine in the transverse direction, an obstacle sensor by which obstacles can be detected, and comprises a control device, wherein when an obstacle is detected the control device can pivot the soil tillage tool back out of the transverse direction counter to the travel direction and / or move it in the transverse direction towards the machine.

The invention belongs to the technical field of rotary cultivator gearboxes, and discloses a rotary cultivator gearbox and a using method thereof.The space in a gearbox case is divided into a front chamber and a rear chamber through a vertical plate, an input shaft penetrates into the front chamber from the front plate, and the rear end of the input shaft penetrates through the vertical plate backwards and then is detachably connected with a driving gear; transition shafts are rotationally arranged on the two sides of the input shaft in the front chamber, the rear ends of the transition shafts penetrate through the vertical plate backwards and then are detachably connected with driven gears, the driving gear is meshed with the two driven gears, and an operation door is arranged on the rear wall of the rear chamber; the two first output shafts are arranged on the left and the right and penetrate through the two side walls of the front chamber respectively, the transition shaft is connected with first bevel gears in the front chamber, the indoor ends of the output shafts are connected with second bevel gears, the first bevel gears are meshed with the second bevel gears on the corresponding sides, and the installation directions of the two first bevel gears are opposite. The speed can be adjusted by replacing the three cylindrical gears in the rear chamber, and replacement and speed adjustment are convenient; the two bevel gear sets share loads on the two sides, the device is not prone to damage, and the service life is longer.

The invention discloses a contaminated soil remediation device, and belongs to the technical field of soil remediation devices.The contaminated soil remediation device comprises a neutralization reaction mechanism, the neutralization reaction mechanism comprises baffles fixed to the two sides of the bottom end of a cart, a first motor is fixedly installed on each baffle, and an output shaft of each first motor penetrates through the corresponding baffle and extends to a rotary drum; a second motor is installed at one end of the side wall of the rotary drum, an output shaft of the second motor is connected to the first rotary teeth, first gear plates distributed in a staggered mode are in meshing transmission in the length direction of the first rotary teeth, buckets extending to the outside of the rotary drum are installed on the first gear plates, and the adjacent buckets are fixedly connected through a cross beam. The technical problems that in the neutralization reaction, lime powder is usually in a powdery form, can only make contact with the surface of soil and cannot make effective contact with soil on the lower layer, then full proceeding of the neutralization reaction is affected, and the soil acidity remediation effect is not facilitated can be solved.

This invention discloses a potato mulching planter, comprising a frame and a transmission mechanism. The frame is connected to a tractor via a three-point suspension. The frame is equipped with a rotary tillage and ridging device, a fertilization and pesticide application device, a pipe-laying and mulching device, a seed metering device, and a seed-planting device. The rotary tillage and ridging device includes a rotary tillage component and a ridging component. The fertilization and pesticide application device has a fertilizer pipe positioned in the middle of the rotary tillage component, which delivers fertilizer into the soil layer in the middle of the ridge. The pipe-laying and mulching device lays drip irrigation pipes and film on the ridge. The seed metering device has a seed metering component that sequentially feeds potato seeds into a duckbill-type seed-planting cylinder. The transmission mechanism drives the connecting rod assembly and the duckbill-type seed-planting cylinder to swing back and forth. The duckbill-type seed-planting cylinder pierces the film for seeding. This invention adopts a planting method of first covering the soil with film and then planting in holes on the film. This equipment integrates multiple functions such as rotary tillage, ridging, pesticide application, fertilization, pipe laying, mulching, seeding, and soil covering, greatly improving the efficiency of potato planting.

The utility model provides a rotary cultivator convenient to adjust, which comprises a tractor and a bottom plate arranged below the rear end of the tractor, a bottom frame is arranged above the bottom plate, two sides of the upper surface of the bottom frame close to the tail end are respectively provided with a bearing seat used for fixing a transmission shaft, one end of the transmission shaft is provided with a side plate, and the other end of the transmission shaft is provided with a side plate. A side transmission box is mounted at the other end of the transmission shaft; rotary tillage rake teeth are installed between the side plate and the side transmission box, a second chain wheel is installed in the center of the transmission shaft, and the second chain wheel is in transmission connection with a first chain wheel located on the outer side of the clutch box through a first chain. According to the rotary cultivator, an installation structure different from a traditional rotary cultivator is adopted, the rotary cultivator can be installed on a small tractor under the condition that the functions of the tractor are not changed without being limited by a connector needed for installation of the traditional rotary cultivator, the rotary cultivator is suitable for mountainous regions, hills and the like, and the original tractor can be used for ploughing during farming; in slack seasons, a carriage can be hung to carry goods, and the burden of farmers is further reduced.