523results about "Gatherer machines" patented technology

The invention discloses a conjugate cam type residual film recycling machine picking device and a working method, the conjugate cam type residual film recycling machine picking device comprises a roller, the roller is fixedly installed on a center shaft, the roller is rotatably installed on a residual film recycling rack through the center shaft, conjugate cams are installed on the residual film recycling rack and at the two ends of the roller, and the center shaft is parallel to a spike tooth shaft; a plurality of spike teeth are mounted on the spike tooth shaft; the two ends of the spike tooth shaft extend out of the roller, the spike tooth shaft is rotationally connected to end plates at the two ends of the roller, the two ends of the spike tooth shaft are connected with the roller connecting device, the roller connecting device comprises a roller connecting boss, a first roller and a second roller, and the two sides of the roller connecting boss are connected with the first roller and the second roller through roller connecting arms. And the first roller and the second roller are in sliding fit with the conjugate cam so as to swing back and forth relative to the roller, so that the spike teeth extend or retract along access holes formed in the roller. The roller is prevented from being wound with a film in the picking operation process, and the operation stability and the operation quality of the machine tool are guaranteed.

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 a driving type straw cleaning device with an energy storage function of a no-tillage planter. The steering gear is installed on the rack, the input end of the steering gear is connected with a tractor power mechanism, the output end of the steering gear is in transmission connection with the additional rotating shaft through a first-stage transmission chain mechanism, the additional rotating shaft is rotatably installed on the rack through a bearing seat, and the bevel gear rotating shaft is rotatably installed on the lower side of the rack through a bearing seat. The additional rotating shaft is in transmission connection with the bevel gear rotating shaft through a secondary transmission chain mechanism, first bevel gears are fixedly installed at the two ends of the bevel gear rotating shaft, a second bevel gear is installed at one end of the straw cleaning mechanism, the second bevel gear is meshed with the first bevel gears, and the other end of the straw cleaning mechanism is rotationally connected with the rack. The straw cleaning device solves the problems that an existing straw cleaning device of the no-tillage planter is poor in cleaning of straw reserved on the earth surface, prone to blocking and large in soil disturbance quantity, and the straw cleaning single bodies are high in straw cutting and throwing capacity, small in soil disturbance and good in anti-blocking effect.

The utility model discloses a waste mulching film rapid recovery device which comprises a cart frame and a pushing handle fixedly arranged on the cart frame, a waste mulching film winding mechanism used for recovering mulching films is fixedly installed in the middle of the top end of the cart frame, and a swing mechanism is fixedly installed on one side of the joint of the cart frame and the waste mulching film winding mechanism. A telescopic guide wheel mechanism is fixedly installed on one side of the bottom end of the cart frame, and a folding mechanism used for shaking off soil on the surface of a mulching film is fixedly installed on the other side of the bottom end of the cart frame. The mulching film recycling mechanism moves, winds and recycles the mulching film along the mulching film, the recycled mulching film is neat, follow-up unified treatment is facilitated, recycling is stable, the missing amount of the mulching film is small, workers can conveniently clean the mulching film, soil cannot be compacted in the mulching film recycling process, and safety and practicability are achieved.

The present application provides a kind of active helical pushing type gap straw cleaning wheel for straw returning, including active blade rotating shaft, right helical gap blade group and left helical gap blade group, and gap blade group includes multiple helical gap blades.The intersection of right helical gap blade and left helical gap blade is fixed together, and symmetric to each other.Gap blade group is fixed with active blade rotating shaft, and helical blade contacts soil during operation, and pushes straw on soil to both sides, and the size of helical gap blade outer diameter and the rotating speed of active blade rotating shaft are changed to improve the returning efficiency of straw.The gap depth of helical gap blade is consistent and staggered, to improve the quality of sowing belt straw cleaning, form a more clean sowing belt, and the soil driven by blade can flow out of the gap to reduce the amount of soil.The present application efficiently cleans the straw on sowing belt under the premise of minimizing the amount of soil, improves the quality of no-tillage seeding, and is beneficial to crop yield increase.

The utility model relates to the field of agricultural machinery, in particular to a residual film picking and recycling straw beating machine, which comprises a main frame, a traction frame and traveling wheels, and a straw beating device, a residual film picking roller, a packing device and a transmission device are arranged on the main frame. The plastic film residue picking roller is characterized by structurally comprising a track disc device, a roller body, a center transmission rotating shaft, a shaft disc, a roller side plate, a film picking elastic tooth set, a film picking crank and a crank roller. The machine is reasonable in structure, economical and practical, and can realize the combined operation of picking, recycling and packaging the residual films and smashing and returning the straws to the field; in the picking process, the residual film picking roller can be utilized, the burden is small, the overall flexibility of the picking roller can be effectively improved, and the residual film picking operation efficiency is greatly improved; the special suspension traction frame is utilized to solve the actual problem that an included angle formed between power input and a transmission shaft is too small, and backward transmission of the locomotive is not facilitated, and flexible connection steering and transmission between the traction locomotive and the operation agricultural machine can be achieved.

The utility model discloses a residual film pick-up device and a residual film recycling machine formed by the same, which comprise a rack, a pick-up mechanism is arranged on the rack, and the pick-up mechanism comprises a film pick-up belt, hook teeth, a film pick-up roller A, a film pick-up roller B and a film pick-up roller C. The residual film pick-up device is characterized in that a film release roller B is arranged on the film pick-up roller B, the diameter of the film release roller B is larger than that of the film pick-up roller B, a film release roller A is arranged on the film pick-up roller C, and the diameter of the film release roller B is larger than that of the film pick-up roller C. The diameter of the film stripping roller A is larger than that of the film stripping roller C, a gap is reserved between the film stripping roller A and the film stripping roller B, the film stripping roller A, the film stripping roller B and the film stripping roller C form a fixed triangle, the film stripping belt is wound on the film stripping roller A, the film stripping roller B and the film stripping roller C and can bypass the gap between the film stripping roller A and the film stripping roller B, the film stripping roller B and the film stripping roller C are arranged above the film stripping roller A, and the film stripping belt is arranged above the film stripping roller C. The film lifting roller B is arranged in front of the film lifting roller C. The film lifting roller B is arranged in front of or over the film lifting roller A. The hook teeth are fixed to the film lifting belt and used for lifting the mulching film.

The invention relates to the technical field of agricultural machinery, in particular to a straw smashing and plastic film residue recycling combined machine which mainly comprises a traction frame, a main machine frame, walking wheels, a depth limiting roller and a transmission mechanism, and the main machine frame is provided with a straw smashing mechanism, a plastic film residue removing mechanism and a packaging mechanism and further provided with any one of three picking mechanisms. The picking mechanism comprises a film lifting ground roller, a first film removing roller, a second film removing roller, a film loosening and deslagging roller and a plurality of film lifting belts arranged side by side, and film lifting teeth are arranged on the film lifting belts at intervals; the packaging mechanism comprises an open type box body, and a plurality of rotating rollers are installed on the rear portion of the open type box body and are arranged in an inclined straight line mode. The plastic film residue recycling machine is reasonable in structure, economical and practical, the problems that an existing plastic film residue recycling machine cannot achieve crop straw smashing and returning to the field and residues in plastic film residues cannot be effectively separated are effectively solved, film removing is clean and high in efficiency, film removing and residue removing are completed at a time in a streamline mode, and efficient straw smashing and returning, plastic film residue picking and recycling and packaging work is achieved.

The invention discloses an elastic tooth licker-in type before-sowing surface layer residual film recycling machine, and relates to the technical field of agricultural machinery, the elastic tooth licker-in type before-sowing surface layer residual film recycling machine comprises a rack, a film collecting box, a contour wheel, a walking wheel and a transmission assembly, the rack is provided with an elastic tooth strip collecting device, and a residual film licker-in picking device is arranged behind the elastic tooth strip collecting device; a film removing and conveying device is arranged above the rear portion of the residual film licker-in picking device, the film collecting box is arranged behind the film removing and conveying device, and a residual film compacting device is arranged in the film collecting box. Residual film gathering and strip collecting under the combined motion rule of horizontal rotation and space angle change of the working part are achieved through the elastic tooth strip collecting device, the characteristics that the residual film is crisp, small and not easy to pick up before sowing are considered, the working part of the licker-in pick-up device is arranged to be an arc-shaped elastic tooth, the elastic tooth pricks the residual film in the working process, and the film removing and conveying device is arranged on the upper rear portion. When the pricking teeth move to the film removing area, the pricking teeth are hung and stroked into the film collecting box, and the residual film is compressed and packaged through the residual film compacting device after the residual film is collected.

The utility model relates to the technical field of mulching film recycling tools, in particular to a tobacco field mulching film recycling device. The device comprises a supporting frame, the supporting frame is of an inverted-U-shaped structure, the top of the supporting frame is connected with a handle, the two ends of the bottom of the supporting frame are rotationally connected with a film rolling assembly, the film rolling assembly comprises a plurality of rollers connected in sequence, and a plurality of film rolling teeth are arranged on the surfaces of the rollers in the radial direction. The whole device is supported by arranging the supporting frame, the film rolling assembly is arranged at the bottom of the supporting frame, a mulching film can be lifted through the film rolling teeth on the surface of the roller, the mulching film is fixed, and then film rolling is achieved; the supporting frame is rotationally connected with the film rolling assembly, so that the resistance between the film rolling assembly and the ground can be reduced while the mulching film is recycled, and the operation is more labor-saving.

The invention relates to the technical field of rotary cultivators, in particular to a rotary cultivator with a residual film recycling function. Comprising a front wheel; first rotating shafts are fixedly connected to one sides of the two front wheels, second rotating shafts are fixedly connected to one sides of the two rear wheels, a recycling machine shell is jointly and rotationally connected between the two first rotating shafts and the two second rotating shafts, and a tillage machine is arranged on one side of the recycling machine shell. Through cooperation of a water pump, a second threaded rod, a spraying bin and a spray head, broken films on a screen mesh plate can be dissolved, soil blocks can be decomposed, the problem that a large amount of time is spent on sorting residual films and straw by workers in the follow-up process is solved, a first motor, an air pump, a second motor and the water pump are controlled through a controller, and the working efficiency is improved. Complex residual film recovery and soil treatment processes are integrated into a highly automatic and intelligent operation system, the soil humidity, the residual film density and the impurity content are monitored in real time through a sensor, the suction force of an air pump and the water pressure of a water pump are intelligently adjusted, and soil moisture loss and energy consumption are reduced to the maximum extent while it is ensured that residual films are efficiently recovered.

The invention relates to the technical field of seedling planting machines, and provides a Chinese herbal medicine seedling planting machine which comprises a moving frame, a handle is fixedly connected to one side of the top end of the moving frame, and moving wheels are arranged at the bottom end of the moving frame; a motor is started to drive a belt to rotate, the belt drives a second rotating wheel to rotate, the second rotating wheel drives a rotating rod to rotate, the rotating rod drives a rotating belt to rotate, the rotating belt drives a rake rod to climb on soil, and the soil is loosened, so that a conical soil inserting head can be more easily inserted into the soil; the harrow rod can stir hard objects such as branches or stones on soil, then the hard objects are shoveled up through the harrow rod, then the harrow rod is driven to convey upwards through rotation of the rotating belt, and when the harrow rod is located at the top end of the rotating belt, the hard objects in the harrow rod slide into the collecting box to be collected through inertia of the hard objects. Therefore, the conical soil inserting head can be prevented from being contacted with a hard object when being inserted into the soil to damage the port of the conical soil inserting head so as to influence planting.

The invention relates to the technical field of agricultural soil improvement, in particular to an agricultural soil improvement device and a method thereof.The agricultural soil improvement device comprises a crushing mechanism, the crushing mechanism comprises a crushing conveying part, a screening part, a scraping part, a collecting part and a leveling part, and after soil is crushed through the crushing conveying part, the soil is conveyed into the screening part; in the using process, the screening component is used in cooperation with the scraping component, stones and garbage can be discharged into the collecting component, then soil is discharged, the soil can be evenly discharged through a first discharging net and a second discharging net, agents are mixed under the use of the mixing component, and when a rotating rod is rotated through a driving motor, the rotating rod is driven to rotate through the driving motor; the first gas injection part injects gas into the mixing box to increase the flow rate of discharged chemicals, and the second gas injection part can inject gas into a rotating opening through a limiting block, inject gas into a communicating pipe and pressurize chemicals discharged by a plurality of inclined spray heads, so that discharged soil fully absorbs the sprayed chemicals.

The utility model discloses a self-adaptive straw returning device, which belongs to the technical field of protective farming and comprises a main support, a mounting frame positioned at the bottom of the side edge of the main support and grass poking wheels rotatably mounted at two ends of the mounting frame, a first rotating shaft is rotatably mounted at the top of the inner side of the main support, and cantilevers are symmetrically mounted at two ends of the first rotating shaft. And a second rotating shaft is rotationally mounted in the middle of the two cantilevers. The first rotary connecting piece composed of the first mounting block, the first ball and the connecting rod is arranged between the mounting frame and the main support, and the second rotary connecting piece composed of the second mounting block and the second ball between the shock absorber and the mounting frame is matched, so that the mounting frame is in a movable connection state; and by means of the extrusion effect of the spring and the limiting effect of the shock absorber on the second ball bead, in the using process, the mounting frame can rotate with the connecting line of the first ball bead and the second ball bead as the axis, is attached to the ground and adapts to different terrains, and the practicability is higher.

According to the land reclamation and remediation device, the raking mechanism, the harrowing mechanism and the rotary tillage mechanism are arranged between the side plates on the two sides of the frame body, soil in a working area can be prevented from running to other places in the working process, and under the condition that the frame body is matched with the side plates, the problem that dust flies in the working process can be effectively solved. Furthermore, the raking mechanism, the harrowing mechanism and the rotary tillage mechanism are sequentially arranged in the length direction of the side plates, namely, the raking mechanism, the harrowing mechanism and the rotary tillage mechanism are sequentially arranged in the direction opposite to the advancing direction of the frame body, so that the land can be raked through the raking mechanism, the mulching film in the land is turned out, and then the mulching film in the land can be turned out. According to the device, the mulching film is turned out through the turning mechanism, then the ploughing mechanism hooks the turned-out mulching film to achieve the effect of cleaning the mulching film, and then the rotary tillage mechanism conducts rotary tillage on the land after cleaning is completed, so that large protruding blocks are smashed, follow-up planting of crops is facilitated, and the effective land remediation effect is achieved.

The invention belongs to the technical field of farmland reclamation, and particularly relates to high-standard farmland reclamation land leveling equipment which comprises a traction harrow body, a traction frame is welded to the front side of the upper surface of the traction harrow body, a coupler is fixed to the front side of the upper surface of the traction harrow body, and wheels are fixed to the four corners of the traction harrow body. The device is provided with the stone removing assembly, so that effective separation of stones, residual roots and larger soil blocks and soil particles can be realized, the influence of the stones on subsequent cultivation and irrigation operation is avoided, and the situation that the residual roots possibly carry diseases and pests to cause harm to crop growth is prevented; according to the device, the soil purity is guaranteed, the cultivability of the land is improved, the hindrance of subsequent farming operation is reduced, the situation that equipment is damaged or the operation effect is affected due to residual stones and residual roots during sowing, irrigation and other operations is avoided, and the safety and efficiency of farmland operation are improved.

A follow-up speed-increasing push, press, and throw integrated inter-row straw cleaning device suitable for no-till seeding units is mainly composed of a connecting frame, a straw pushing disc, a pressure and throwing disc, and a planetary gear transmission system. The straw pushing disc rotates around the center under the combined action of the device's own gravity and soil resistance, and the pressure and throwing disc is driven by the planetary gear transmission system to increase the speed of rotation. When the device moves forward at a fast speed, straw accumulates on the surface of the straw pushing disc. When the straw accumulates to the sweeping height of the pressure and throwing disc, the pressure and throwing teeth of the pressure and throwing disc press the accumulated straw and then throw it to the side and rear. The tooth profile curve of the pressure and throwing teeth is a combination curve of the Archimedean spiral and the Cartesian leaf line, which can realize the process of first pressing and then throwing the accumulated straw. The combined curve pressure and throwing teeth are straw sliding cutting and throwing rather than picking and throwing. On the one hand, it prevents the accumulated straw from crossing the straw pushing disc to cause blockage. At the same time, it ensures that the side-thrown straw has a low initial throwing velocity to avoid straw throwing to the adjacent sowing interval.

The utility model provides a land preparation machine for garden flower border construction, which belongs to the technical field of garden construction equipment and comprises a bearing plate, a U-shaped metal arm grip is arranged on one side of the bearing plate, a driver and an openable baffle are arranged on the upper end face of the bearing plate, and a soil cutting knife component is arranged below the openable baffle. The driver drives the earth cutting knife assembly to rotate through the transmission device; a containing box used for containing nutrient soil and fertilizer is arranged above the baffle capable of being opened and closed. The accelerator and the baffle switch are arranged on the U-shaped metal arm grip, the accelerator is connected with the driver, and the baffle switch is connected with the openable baffle; the soil preparation machine can effectively mix nutrient soil, fertilizer and soil in the working process, the soil improvement efficiency is greatly improved, and extra mixing operation time and cost are saved.

The stubble cleaning, soil loosening, sowing and pressing mechanism comprises a machine frame, a stubble cleaning and soil loosening assembly, a conveying assembly, a smashing and spreading assembly, a pressing assembly and a sowing assembly, and is characterized in that the machine frame comprises a supporting frame, a connecting frame is fixed to one end of the upper side of the supporting frame, and a lead screw groove is formed in the middle of the supporting frame; the middle of the upper side of the supporting frame is fixedly connected with a square plate. The seeding assembly comprises a row spacing adjusting motor, the row spacing adjusting motor is fixedly connected to one side of the connecting frame, the two ends of the inner side of a screw rod groove are movably connected with the ends of a two-way screw rod, a rotating shaft of the row spacing adjusting motor is fixedly connected with the ends of the two-way screw rod, and the two-way screw rod is provided with two sections of threads with opposite spiral directions; two sliding plates are arranged in the lead screw groove and are in threaded connection with the two ends of the two-way lead screw correspondingly, and the upper ends of the two sliding plates are fixedly connected with vertical plates correspondingly. According to the invention, various crops can be sown after wheat is harvested.

The utility model relates to the technical field of garbage cleaning, and discloses a garbage shoveling and soil separating device and a garbage cleaning vehicle. The conveying mechanism is arranged on the rear side of the bucket and comprises a conveying belt and a chain plate type lifting belt which are arranged in sequence, and the conveying belt is used for conveying soil and garbage and lifting the soil and the garbage through the chain plate type lifting belt; the outer box body is arranged on the rear side of the conveying belt, the chain plate type lifting belt is arranged at the front end in the outer box body, a screening mechanism is arranged on the rear side of the chain plate type lifting belt in the outer box body and comprises a screening plate, the chain plate type lifting belt lifts a mixture of soil and garbage to the screening plate, and the screening plate achieves separation of the soil and the garbage through screening; by arranging the shoveling mechanism, the conveying mechanism and the screening mechanism, garbage buried in soil can be efficiently shoveled out, and the garbage and the soil are effectively separated through the screening mechanism, so that the garbage cleaning efficiency and the environmental protection property are improved.

The utility model relates to the field of agricultural machinery, and particularly discloses a farmland mulching film cleaning device. Comprising a machine shell, a rotary tillage mechanism, a mulching film separation mechanism and a mulching film separation mechanism, a suspension connecting piece is fixedly arranged on the machine shell, the rotary tillage mechanism penetrates through the two sides of the machine shell and is horizontally arranged in the machine shell, the mulching film separation mechanism is arranged above the rotary tillage mechanism and is parallel to the rotary tillage mechanism, and the mulching film separation mechanism is arranged on the rear side of the rotary tillage mechanism. A mulching film separating mechanism penetrates through the top of the machine shell and is fixedly arranged on the rear side of the rotary tillage mechanism; the rotary tillage mechanism and the mulching film separation mechanism are in rotary fit, mulching films buried under soil can be turned out, then the mulching film separation mechanism melts and carbonizes the mulching films through flames, the mulching films in the cleaned soil are completely separated, and the problem that the mulching films are prone to breakage and fragmentation when the mulching films are cleaned in a traditional winding mode is solved. And the residual mulching film in the field can be directly treated in a burning manner, so that the pollution of the mulching film residue to the land and the influence of the mulching film residue on the growth of crops are reduced.

The utility model discloses a straw and mulching film recycling all-in-one machine, which relates to the technical field of agricultural machinery and comprises a frame body, a power driving structure and a hydraulic system are mounted on the upper front side of the frame body, and a conveying cavity and an ascending cavity are respectively mounted in the middle and on the middle rear side of the frame body. According to the straw and mulching film recycling all-in-one machine, straw can be driven to be conveyed to the rear side through the conveying structure in the conveying cavity, gaps between the multiple conveying rods on the conveying structure are used for screening out soil downwards, and when the conveying structure conveys the straw to the rearmost side, the soil is screened out; the conveying structure and the stirring plates in the ascending cavity can drive the straw to be conveyed upwards, finally the straw is collected into the collecting box, recycling of the straw and the mulching film is achieved, and pollution caused to soil is effectively reduced.

The utility model discloses a farmland residual mulching film recycling machine which relates to the technical field of waste recycling and structurally comprises a machine body, an absorption box is fixedly connected to one side of the top of the machine body, the bottom of the absorption box penetrates through the top wall of the machine body and is fixedly connected with an absorption opening, and a collection box is fixedly connected to the other side of the top of the machine body. A connecting pipe is jointly and fixedly connected between one side of the absorption box and one side of the collection box, a film taking mechanism is arranged on the inner side of the absorption opening, an air blowing mechanism is arranged on the surface of the machine body, and a negative pressure fan is fixedly connected to one side of the top of the machine body. According to the farmland residual mulching film recycling machine, the situation that soil particles and mulching films are recycled together can be reduced, the recycling quality of the mulching films is improved, the air blowing mechanism assists in rapid collection of the mulching films, and the recycling efficiency of the mulching films is improved.

The invention relates to the technical field of agriculture, in particular to a multi-item processing robot for modern agriculture, which comprises a tracked robot, a picking mechanical arm fixed at the top end of the tracked robot and a fixing frame fixed outside the top end of the tracked robot, when the multi-item processing robot for modern agriculture is used, the defects that an existing intelligent agricultural power machine is dispersed in function and only works on the surface layer can be overcome in a targeted mode, picking, mowing, root removing and preprocessing are integrated, the tracked robot serves as the moving basis, the picking mechanical arm can synchronously carry out crop picking, and the working efficiency is improved. The mowing mechanism at the bottom end of the fixing frame cuts off stems and leaves of weeds on the earth surface in advance, and sequential operation loss is avoided; the rotating assembly drives a limiting rack and a limiting gear to be linked through a limiting electric telescopic rod, and a rotating rod and a rotating frame are driven to adjust the soil penetrating depth of an inclined shovel plate to adapt to different scenes; the grass root shearing assembly drives a long rack by means of a reciprocating electric telescopic rod, and a double-gear rod and a single-gear rod are linked to enable a shear knife to cut off roots.

The utility model relates to the technical field of plastic film residue recycling, and discloses a plastic film residue recycling machine with a plastic film residue impurity removing device, which comprises a rack, and moving wheels are fixedly mounted at the bottom of the rack; the film lifting and conveying assembly is fixedly mounted in the rack; the film lifting and conveying assembly comprises a film lifting part and a conveying part; the film and impurity separation assembly is fixedly mounted at the bottom of the rack; and the membrane impurity separation assembly comprises a separation part and a movable part. The first motor drives the conveying rollers to move through the conveying portion, soil and residual films pass through the surfaces of the conveying rollers, some fine soil impurities fall to the bottom of the rack through gaps between the conveying rollers, when the conveying rollers make contact with the shifting rod, the shifting rod rotates with the movable rod as the circle center, then the position of the shifting rod is restored under the action of the torsional spring seat, and the conveying rollers are driven to move. The process can be repeated, the shifting rod is in continuous contact with the soil and the residual film at the top of the conveying roller, and the effect of accelerating falling of the soil impurities and the residual film is achieved.

The invention provides an agricultural soil fertilizer spreading device, and relates to the technical field of agricultural planting.The agricultural soil fertilizer spreading device comprises a movable rack, a soil covering structure, a storage barrel and a ditching structure, and the soil covering structure, the storage barrel and the ditching structure are sequentially arranged on the rack in the advancing direction of the rack; the bottom of the sowing pipe is connected with a plurality of sowing barrels which are distributed at equal intervals in the length direction of the sowing pipe, a discharging pipe is connected between the material storage barrel and the sowing pipe, and a feeding hopper is installed at the top of the material storage barrel; an impurity removal structure is further arranged on the rack; through the arrangement of the impurity removal structure, stones or weeds doped in dug soil can be removed and scraped, and the stones or weeds can be removed from trenches, so that crops are conveniently planted, the weeds can be prevented from absorbing part of nutritional ingredients of a fertilizer, the fertilizer efficiency of the soil is ensured, and the requirements of the crops for the nutritional ingredients are met; the growth of crops is promoted, so that the effective planting of the crops is facilitated.

The invention belongs to the technical field of agricultural machinery, and discloses a straw smashing and residual film recycling and packaging combined machine capable of collecting films through a similar synchronous belt, the straw smashing and residual film recycling and packaging combined machine comprises a rack, and a land wheel, a film lifting wheel and a film collecting assembly which are arranged on the rack, the land wheel is used for supporting and walking of the rack, and the land wheel is coaxially connected with a transmission arm; the other end of the transmission arm is coaxially connected with the film lifting wheel and is used for transmitting power between the land wheel and the film lifting wheel; according to the scheme, the land wheel and the film lifting wheel are coaxially connected through the transmission arm, the land wheel is used as a power source for walking of the rack, and the film lifting wheel is driven to rotate synchronously through transmission of the transmission arm when the land wheel rotates, so that the rotating speed of the film lifting wheel is consistent with the advancing speed of the land wheel; the phenomenon that residues of the mulching film cannot be collected in time due to the fact that the machine advances fast and the film lifting and stripping mechanism rotates slowly or the mulching film is torn and broken excessively due to the fact that the machine advances slowly and rotates fast is avoided; the problem that the speed of a film lifting wheel of an existing residual film recovery device is inconsistent with the speed of a carrier is solved.

The present invention discloses a method and device for preventing and controlling soil-borne diseases by burning crop stubble. The method comprises the following steps: S1. cutting and collecting the shallow soil layer where the stubble is located; S2. separating and processing the collected shallow soil layer, removing the soil carried by the stubble, and obtaining separated stubble and soil; S3. burning the separated stubble, and heating the separated soil with the high-temperature flue gas generated by the combustion; S4. mixing the ash from the burned stubble with the heated soil, and then returning the ash to the field. The present application utilizes the high calorific value characteristics of crop stubble, and the high-temperature flue gas generated by its combustion heats the surface soil, thereby killing the stubble and the diseased and insect eggs and pathogenic microorganisms in the rhizosphere soil carried by the stubble. It can also form a certain thermal contact killing effect on the diseases and insect pests in the soil, reduce the degree of damage caused by the diseases and insect pests, and thus achieve the purpose of green prevention and control of diseases and insect pests.

The utility model belongs to the technical field of agricultural machinery, and provides a farmland stone removing and crushing machine which comprises a machine frame, an excavating assembly arranged at the front end of the machine frame, a screening assembly arranged on the machine frame and located on the rear side of the excavating assembly, and a stone crushing assembly arranged on the machine frame and located at the discharging end of the screening assembly. The screening assembly is used for screening out a first component in the materials and conveying the first component in the materials to the stone crushing assembly to be crushed, and the crushed first component falls back to the farmland. The farmland stone removing and crushing machine provided by the utility model is simple in structure and reasonable in design, not only can screen out stones in soil, but also can crush the stones for reutilization, and does not cause waste of resources.