877 results about "Plough" patented technology

The invention provides a land planning method based on data analysis, and the method comprises the steps: obtaining an initial distance matrix between land parcels in a farmland land parcel set around a town, calculating the direct connectivity between the land parcels and other land parcels based on a distance threshold value, and constructing an initial farmland ecological network topological structure diagram; the overall network connectivity, the node centrality and the average path length of the initial farmland ecological network topological structure diagram are calculated through a graph theory algorithm, so that the structural integrity of the ecological network is evaluated, and an ecological network structural evaluation index initial value is obtained; according to the adjusted distance matrix between the land parcels, recalculating the connectivity between the land parcels, reconstructing a farmland ecological network topology structure, and calculating various indexes of network structure integrity to assess an ecological network structure; and combining the plot connectivity and the land utilization efficiency to evaluate the feasibility and cost effectiveness of plough layer stripping and reutilization, and determining an optimal adjustment scheme.

The utility model belongs to the technical field of agricultural seeding machinery, and discloses a planting seeding device with a uniform fertilization function, which comprises a device main body and a transmission wheel, the transmission wheel is arranged at the lower end of the device main body, a furrow plough is arranged at the lower end of the left side of the device main body, and the upper end of the furrow plough is connected with a guide plate. The upper end of the guide plate penetrates through the device body, a threaded lead screw is connected to the upper end of the middle of the furrow plough, a transmission worm is connected between the two transmission wheels on the right side, a storage box is arranged at the upper end of the middle of the device body, and a discharging disc is arranged at the lower end of the middle of the device body. According to the planting and sowing device with the uniform fertilization function, the rotary discharging structure is arranged, fertilizer and seeds can be discharged at the same time at a constant speed and in a quantitative mode, the discharging structure is matched with a transmission wheel through a belt structure and provides power, the discharging speed can be adjusted in a self-adaptive mode according to the advancing speed of the sowing device, and the practicability is high. Therefore, the seeds can be sown and fertilized at equal intervals, and the operation convenience is improved.

The invention discloses a folding type rotary tillage and ridging all-in-one machine which comprises a machine frame, a rotary tillage device, a ridging device, a distance adjusting device and a compacting device, the rotary tillage device and the ridging device can be folded or unfolded at the same time, the distance adjusting device can adjust the distance between ploughing ploughs in the ridging device, and the compacting device can compact the ploughing ploughs in the ridging device. The problem of the single operation area of a traditional rotary tillage ridger can be greatly solved, the land rotary tillage and ridging effects of the rotary tillage ridger are effectively improved, the folding effect, the stability performance and the like of the rotary tillage ridger can be effectively improved by adopting the double-cylinder hydraulic folding system, the rotary tillage ridging operation efficiency and the operation quality are greatly improved, and the rotary tillage ridger is suitable for large-scale popularization and application. Structural design is reasonable, using is safe and reliable, and the failure rate is low.

The invention discloses a method for estimating total nitrogen of soil of different plough layers based on a field in-situ spectrum, and relates to the technical field of crop growth monitoring. Collecting soil samples of different plough layers in a field, and obtaining in-situ spectral data of soil; performing indoor analysis on the collected soil sample, and determining the total nitrogen content, the soil texture type and the porosity; classifying the soil samples according to the soil texture types, and respectively establishing correlation models between the total nitrogen contents of the soil with different textures and the in-situ spectral data; introducing a northern eagle optimization algorithm to improve a random forest and a generalized regression neural network to improve the prediction capability of the correlation model on the total nitrogen content of the deep soil; and constructing a comprehensive monitoring model by combining a surface spectrum inversion result and a soil vertical variation equation, so as to realize indirect high-precision estimation of the total nitrogen content of the soil in different plough layers. And a theoretical basis is provided for future soil total nitrogen deep monitoring model research, and a technical support and a theoretical decision are provided for rapid acquisition of deep soil nutrients in precision agriculture.

The invention belongs to the technical field of pepper seeding, and discloses automatic pepper seeding equipment with a planting spacing adjusting function, the automatic pepper seeding equipment comprises an equipment frame and rollers, the rollers are symmetrically mounted on two sides of the equipment frame, a furrow plough is arranged on the lower side of the front end of the equipment frame, and a movable frame is fixed at the upper end of the furrow plough; a positioning plate is fixed in the front end of the equipment frame, a positioning frame is fixed to the upper end of the positioning plate, a threaded lead screw penetrates through the middle of the positioning frame, a discharging mechanism is arranged in the middle of the equipment frame and comprises storage boxes, a discharging pipe, a first rotating rod and a limiting plate, and the storage boxes are symmetrically installed at the upper end of the middle of the equipment frame. According to the automatic pepper sowing equipment with the planting spacing adjusting function, the spacing can be controlled to sow pepper seeds in the advancing process of the sowing equipment by arranging the quantitative and constant-speed discharging mechanism, the sowing spacing is not influenced by the advancing speed of the sowing equipment due to the fact that the discharging mechanism is in linkage with the rolling wheels, and the operation convenience is improved.

The invention discloses a desilting device and a desilting method, and relates to the technical field of desilting, the desilting device comprises a walking frame, and a sludge pre-stabbing obstacle removing mechanism, an obstacle removing conveying mechanism, an upper layer sludge spiral collecting mechanism and a lower layer sludge loosening plough are sequentially arranged in the walking direction of the walking frame; the sludge pre-stabbing obstacle clearing mechanism is used for clearing obstacles and stabbing a sludge layer, the obstacle clearing conveying mechanism is used for upwards conveying the obstacles cleared by the sludge pre-stabbing obstacle clearing mechanism to the position above the water surface, and the upper-layer sludge spiral collecting mechanism is used for collecting upper-layer sludge from the two sides of the walking frame to the middle of the walking frame; the lower-layer sludge loosening plough is used for turning over lower-layer sludge punctured by the sludge pre-puncturing obstacle removing mechanism from the two sides of the walking frame to the middle, the walking frame is provided with a confluence cover at least partially covering the upper-layer sludge spiral collecting mechanism and the lower-layer sludge loosening plough, and the top of the confluence cover is provided with a sludge suction pump; therefore, the desilting effect is remarkable.

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.

The utility model relates to the technical field of hydraulic engineering construction machinery, and discloses a canal trench ditching device, which comprises a chassis structure, a trench digging mechanism, a trench digging mechanism, a trench digging mechanism, a trench digging mechanism, a trench digging mechanism and a trench digging mechanism, wherein the chassis structure is used for realizing operation on soft and hard alternate soil layers or undulating surfaces; the rotary tillage structure is mounted at the bottom of the chassis structure and used for crushing hard soil on the surface layer and removing weeds and broken stones to form a uniform and loose plough layer; the ditching structure is mounted at the bottom of the chassis structure, is positioned behind the rotary tillage structure and is used for realizing excavation of grooves with different depths; and the tamping structure is installed at the bottom of the chassis structure and located behind the ditching structure, comprises a soil shifting shovel for leveling soil discharged from the two sides of the ditching structure, and tamps the bottom of the groove and the side slope through vibration compaction of a plane tamping plate and a slope tamping plate. By integrating the self-adaptive terrain adjusting system and the combined type grooving mechanism, topographic relief and soil states can be monitored in real time, the ditching depth, gradient and section form can be dynamically adjusted, and one-time forming of a groove is ensured.

The utility model relates to the technical field of transplanting machines, and provides a small-sized transplanting machine for flue-cured tobacco planting, which comprises a vehicle body, a square groove is arranged at the top of the vehicle body, and a round rod II is fixedly arranged on the opposite side of the inner wall of the square groove. According to the soil breaking device, the limiting rod is pulled towards one side by hands, so that the limiting rod is separated from the interior of the limiting hole, limiting on the V-shaped strip is relieved, and the compression spring is stretched synchronously, at the moment, the V-shaped strip can rotate around the outer surface of the second round rod, the soil breaking plough moves downwards and is inserted into the soil, and when the soil breaking plough is inserted into the proper depth, the limiting rod is loosened, and the soil breaking plough can move downwards. The V-shaped strip is arranged in the limiting hole and inserted into the limiting hole under the reset acting force of the compression spring, so that the V-shaped strip is limited, pits with different depths can be dug according to the length of the flue-cured tobacco seedling, it is guaranteed that the rhizome of the flue-cured tobacco seedling is deeply inserted into soil, the situation that the flue-cured tobacco seedling is blown away by wind can be avoided, and then normal growth of the flue-cured tobacco seedling is guaranteed.

The invention belongs to the technical field of agricultural ecological monitoring, and discloses a cold region corn continuous cropping straw total returning full plough layer fertilization monitoring and adjusting system and method, and the system comprises a monitoring subsystem and a feedback adjusting subsystem which comprises a plurality of monitoring nodes. Each monitoring node comprises a plurality of sensor groups buried in different layer depths of soil; the feedback regulation subsystem comprises a data processing module and a diagnosis module; the data processing module is configured to generate a first monitoring parameter and a second monitoring parameter; the diagnosis module is configured to receive the first monitoring parameter and the second monitoring parameter and execute diagnosis conditions according to the planting stages of the first monitoring parameter and the second monitoring parameter; if the monitoring is in the planting period, executing a first preset adjustment measure; if the monitoring is in a non-planting period, executing a second preset adjustment measure in the monitoring; the system further comprises a storage module and a central processing unit. According to the invention, automatic and intelligent fertilization adjustment is realized.

The invention relates to a soil shaking and drag reduction furrowing device based on a monopterus albus motion bionic prototype. Comprising a plow frame, a furrow opening plow, a driving mechanism and a control system, the furrow opening plow is installed on the plow frame and used for conducting furrow opening operation after being dragged, and the driving mechanism is connected with the furrow opening plow and used for driving the furrow opening plow to shake to get rid of soil in the process that the furrow opening plow is subjected to resistance. The control system is used for detecting the resistance of soil in the advancing process of the plow frame and controlling the driving mechanism to act so as to drive the furrow opening plow to swing; according to the technical scheme, better soil crushing and throwing capacities are achieved, the stability of tilling depth can be guaranteed to a greater extent, the abrasion risk is reduced, the service life of the plough is prolonged, sticky and heavy soil attached to the plough surface can be thrown away, energy consumption is reduced, and the completeness of furrows is guaranteed.

The utility model discloses a ground leveling device for construction, which comprises a support, a lower plate body of the support is fixedly provided with a guide rod perpendicular to the lower plate body, and an upper plate body and the lower plate body form a certain distance and are connected to the guide rod in a sliding manner. The lower plate body is further rotationally connected with an adjusting rod, the adjusting rod is in threaded connection with the upper plate body, the leveling assembly is rotationally installed on the upper plate body, a boss and a supporting arm seat a are fixedly installed on a rotating shaft of the leveling assembly, and a supporting arm seat b is further slidably connected to the rotating shaft located between the supporting arm seat a and the boss. The support arm seat b is in threaded connection with a screw rod which is rotationally connected to the support arm seat a and the boss; a first supporting arm and a second supporting arm are fixedly installed on the supporting arm seat a and the supporting arm seat b respectively, plough-shaped teeth which are downward in the plumb bob direction are arranged on the first supporting arm at intervals, and plate-shaped teeth are arranged on the second supporting arm. Rotary tillage is conducted once through the multi-tooth supporting arm, then soil is leveled through the plate-shaped supporting arm, the soil flatness of the construction ground is improved, and later soil tamping operation is facilitated.

The invention discloses corn straw pressing and burying soil covering equipment, which belongs to the technical field of agricultural equipment, and structurally comprises a crushing bin, a shoveling and guiding bin and a residue collecting bin, a shovel head and a soil preparation transverse cylinder are arranged at the front end of the shovel guide bin and the rear end of the crushing bin respectively; a transmission belt is arranged on the inner side of the shovel guide bin; the bottom of the slag collecting bin is fixedly communicated with a snakelike guide pipe, the lower end of the snakelike guide pipe extends to the deep position of the ground, a spiral conveying shaft is rotationally installed in the snakelike guide pipe, and a ground breaking plough is arranged on the front side of the bottom of the snakelike guide pipe; according to the application, corn straws and corn stubbles dispersed all around on the ground can be collected in a centralized manner, the direct contact amount of hard soil blocks and the crushing part is reduced, and the crushed corn straws and corn stubbles are fully mixed with a straw degrading bacterial agent and then are applied to the ground in a closed injection manner, so that the crushing efficiency is improved; the situation that straw chippings remain on the shallow layer of the ground and become nutrients for breeding of germs and eggs is prevented, adverse effects on the health condition of crops are avoided, and normal growth and development of the crops are guaranteed.

The invention relates to the technical field of agricultural machinery, in particular to a ditching machine for soybean planting. The device comprises a walking tractor head, a furrow plough, a furrow cutter and a dumping plough, soil compaction mechanisms are rotationally installed on the two sides of the end, away from the furrow cutter, of the dumping plough, and each soil compaction mechanism comprises a compaction assembly and a ventilation assembly; according to the device, through the synergistic effect of the compaction assembly and the ventilation assembly, balance of soil compaction and ventilation is achieved, the compaction assembly can effectively compact the ditch wall, prevent soil from loosening and slipping and ensure the stability of the gully, and the ventilation assembly is provided with a plurality of ventilation holes in the compaction process through the design of ventilation rods and barbs, so that the soil can be effectively compacted, and the ventilation effect is improved. The soil is compacted and ventilated, so that the air permeability of the soil is ensured, the respiration and healthy growth of soybean root systems are facilitated, and the compaction and air permeability coexisting collaborative design not only improves the environmental quality of the soil, but also provides good conditions for the growth of soybeans.

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.

The utility model discloses a ridging device for a strawberry seedling raising field. The ridging device comprises a rack connected to the rear side of a tractor, a rotary tillage mechanism, a furrow plough and a ridging mechanism, wherein the rotary tillage mechanism, the furrow plough and the ridging mechanism are sequentially arranged below the rack from front to back. The ridging mechanism comprises two connecting rods, a connecting shaft, two land leveling rollers and two furrow shaping wheels; the two connecting rods are symmetrically arranged below the rear side of the rack, and a bearing is arranged on the inner side of each connecting rod; a connecting shaft is connected between the two bearings, and the middle of the connecting shaft is fixedly sleeved with a fixing ring. The two leveling rollers symmetrically and rotationally sleeve the two ends of the connecting shaft; the opposite ends of the two land leveling rollers are each fixedly provided with a furrow shaping wheel, the furrow shaping wheels are movably arranged on the connecting shaft in a sleeving mode, and the two sides of the fixing ring are connected with the side faces of the furrow shaping wheels through a plurality of pneumatic telescopic rods and used for adjusting the distance between the two furrow shaping wheels. In conclusion, the device has the advantages of novel structure, convenience in use, high efficiency, stability and the like.

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 invention relates to the technical field of cotton planting, in particular to a saline-alkali improvement device for dry sowing and wet discharging of cotton, which comprises a first frame body, a second frame body is fixedly mounted on the right side of the first frame body, an auxiliary frame is fixedly mounted at the right end of the bottom of the second frame body, and a positioning pressing wheel and a soil covering plough are respectively arranged at the left end and the right end of the bottom of the auxiliary frame. Through the effect of the improvement device and the improvement method, the problems that the growth situation of cotton seedlings is affected due to the fact that the soil is extremely prone to salt reversion due to the reasons such as many windy days, high temperature and fast water evaporation in cotton planting in arid areas are solved, and planters can grow more easily in order to guarantee the growth of cotton. The problems that soil salinization is aggravated, the salt tolerance of cotton is reduced, ecological restoration and sustainable development of the cotton industry are not facilitated and the like due to excessive spraying of water or abuse of various fertilizers including nitrogen fertilizers exist in the prior art.

The invention discloses an agricultural planting soil ploughing and fertility increasing treatment device, and relates to the technical field of agricultural planting, the agricultural planting soil ploughing and fertility increasing treatment device comprises a fixing frame, and a ploughing and fertilizing assembly is arranged on the fixing frame; through the cooperation of the plough claw and the rotary blade group, the rotary blade group moves to a position where fertilizer is applied previously, at the moment, the rotary blade group crushes and turns soil for the second time under the action of the motor box, and the soil with the fertilizer is crushed for the second time in the rotating process, so that the fertilizer is uniformly dispersed into the soil around the position where the fertilizer is applied, and the effect of increasing the fertilizer of the land is improved; through the arrangement of the rotating shaft and the roller, only when the semi-cylindrical groove of the roller rotates to the side away from the discharging groove and then rotates to the discharging groove, fertilizer enters the plough claw through the discharging hole, the funnel and the connecting pipe and then slides out of the discharging hole, the fertilizer is more evenly distributed in soil, and the usage amount of the fertilizer can be reduced; and the economic benefit of land fertility increasing is improved.

The utility model discloses a traditional Chinese medicinal material standardized ploughing and weeding device which comprises a box body, a walking wheel is arranged at one end of the lower portion of the box body, a first rotating shaft is fixedly connected to the inner side of the walking wheel, an air cylinder is rotationally connected to the first rotating shaft, and a third rotating shaft is fixedly connected to one end of the lower portion of the box body. A third rotating shaft is fixedly connected to one end of the inner side of the box body, a turning plough is rotatably connected to the third rotating shaft, a second rotating shaft is fixedly connected to the outer side of the turning plough, the extending end of the air cylinder is rotatably connected to the second rotating shaft, and a driving motor is fixedly connected to one end of the inner side of the box body. Meanwhile, a driving assembly and a bevel gear are arranged and can drive a rotating rod and cutting knives at the two ends to rotate, so that weeds can be smashed, ploughing and weeding integrated arrangement of the whole device is achieved, and the planting efficiency of traditional Chinese medicinal materials is improved.

The utility model relates to the technical field of agricultural instruments, in particular to a multipurpose combined plough which comprises a machine frame, a plurality of first installation frames and a plurality of second installation frames are fixedly arranged on the lower surface of the machine frame, the first installation frames and the second installation frames are arranged in a left-right staggered mode, and first subsoiling ploughs are fixedly arranged on the lower surfaces of the first installation frames. A second deep scarification plough is fixedly arranged below the second mounting frame, a first hydraulic rod for driving the second deep scarification plough to move front and back is arranged in the second mounting frame, and a soil covering wheel is arranged at the rear end of the rack and comprises a supporting shaft, a supporting wheel and a connecting blade. The first subsoiling plow and the second subsoiling plow which are adjacent in the left-right direction are located at the front-back staggered position, the second subsoiling plow enables additional plow tools to be arranged below the machine frame in the direction perpendicular to the plowing direction, the time for turning back and forth is shortened, and working efficiency is improved.

The invention provides an online self-calibration method and device for a tilling depth model, and the method comprises the steps: enabling a vehicle-mounted sensor to obtain the pitch angle change of a plough, the rotation angle value of a lifting arm and the elevation change of the plough in the length adjustment process of a rod piece of a suspension system of a tractor, and calibrating a tilling depth compensation model through the inclination angle change of the plough and the elevation change of the plough; the tilling depth compensation model is combined with a tilling depth detection model based on the rotation angle of the lifting arm, and online correction of the tilling depth value corresponding to length adjustment of the rod piece of the tractor suspension system is achieved. Manual data collection and post-processing are not needed, the model calibration accuracy is improved, and the calibration process is simplified.

The invention relates to the technical field of information, in particular to a black land plough layer thickness analysis method based on machine learning. The scheme has the advantages that double-frequency radar signals (200MHz low frequency and 2GHz high frequency) are combined with power amplification and a broadband antenna, a double-layer feature comparison model is constructed by utilizing the frequency sensitivity inversion characteristic of dielectric constant difference between a plough layer and a plough pan, interface details are captured in cooperation with a 1GS / s super-Nyquist sampling rate, a strong regression model is constructed in combination with an AdaBoost algorithm, and a high-precision feature comparison model is constructed. The method achieves the high-precision, non-destructive and large-area rapid detection of the thickness of the plough layer of the black land, and solves the problems that a conventional method is time-consuming and labor-consuming, is low in precision, and cannot give consideration to the penetration depth and resolution of a single-frequency radar.

The invention discloses a saline-alkali soil crop-soil system nutrient dynamic matching regulation and control method, relates to the technical field of agricultural planting, and aims to solve the technical problems of saline-alkali soil nutrient imbalance, limited crop nutrient absorption and low efficiency of a traditional regulation and control mode, and the method comprises the following steps: S1, preparation before sowing; performing layered deep scarification treatment on a plough layer of the saline-alkali soil, synchronously applying a salt control improvement material to a deep plough layer to improve a saline-alkali environment, and arranging a layered under-film drip irrigation system matched with crop root zone distribution; s2, monitoring in a whole growth period; in the whole growth period of crops, plough layer soil samples are collected in a layered mode, soil salinity and nutrient indexes are measured, meanwhile, the growth state of the crops is monitored, and the incidence relation between the soil indexes and crop growth is established. The method solves the problem that nutrient supply is disjointed with the requirements of the root zone and the growth period of the oil sunflower in the prior art, creates adaptive saline-alkali environment and nutrient conditions for the whole growth period of the oil sunflower, and guarantees normal growth and development of the oil sunflower.

The utility model discloses a ditching and fertilizing integrated device, which relates to the technical field of planting equipment and comprises a ditching mechanism and a fertilizing mechanism. The ditching mechanism comprises a handle and a ditching plough; the furrow plough is fixedly arranged at one end of the handle; the fertilizer spraying mechanism comprises a fertilizer box, a fertilizer outflow pipe, a push switch and a plugging sheet; the fertilizer box is fixedly arranged on the handle and is provided with a containing cavity, a feeding hole and a discharging hole; the fertilizer outflow pipe is communicated with the discharge hole; the other end of the fertilizer outflow pipe is positioned on the rear side of the furrow plough; a sliding groove is formed in the fertilizer outflow pipe, and the push switch is arranged in the sliding groove in a sliding mode; the blocking piece is rotationally arranged in the fertilizer outflow pipe, and the rotating axis of the blocking piece passes through the center of the blocking piece; the plugging sheet is connected with the push switch through a connecting piece; when the push switch moves in the direction away from the plugging piece, the push switch can pull the plugging piece through the connecting piece and enable the plugging piece to rotate. The working efficiency can be improved, and the labor input is reduced.

The utility model discloses a mini-tiller which comprises a handrail assembly connected with a mini-tiller body, the handrail assembly comprises a first handrail and a second handrail, the first handrail is fixed to the mini-tiller body, and the second handrail is connected with the first handrail through an adjusting limiting structure. The connecting angle between the second armrest and the first armrest is adjusted; the mini-tiller further comprises an auxiliary wheel assembly, and the auxiliary wheel assembly is connected with the mini-tiller body through an overturning structure so as to select whether the auxiliary wheel assembly is used or not. Compared with the prior art, the rotary cultivator has the advantages that the rotary cultivator is simple in structure and can adapt to the heights of various users, and the included angle between the first handrail and the second handrail can be selected according to the resistance of the land needing rotary cultivation so as to select a more labor-saving angle.

The utility model relates to a small Chinese cabbage seeder which comprises a ditching device, a seeding device, a soil covering device, a supporting device and a power device, the furrowing device is used for furrowing by using a plough, and the main part is the plough; the sowing device is used for sowing Chinese cabbage seeds and mainly comprises a seed storage bottle, a seed metering device, a base, a seeding slideway, a direct current motor, a transmission shaft and a coupler; the soil covering device covers a ditch with soil and mainly comprises a soil covering disc and a T-shaped connecting rod; the supporting device is used for supporting other devices and mainly comprises a right-angle steel frame, a bottom plate, a handrail, universal wheels, directional wheels, a driving shaft and a bearing seat. The power device provides power for advancing of the seeder and mainly comprises a direct current motor and a synchronous belt drive. According to the utility model, the integrated operation process of ditching, seeding and earthing is realized, the seeding precision and efficiency of pakchoi are improved, manpower and material resources are saved, and the pakchoi seeding machine has higher application value.

The invention relates to the technical field of agricultural motor vehicles, in particular to a soil loosening and landfill integrated driven trailer for saline-alkali plate breaking improvement. Comprising a frame, walking wheels are arranged on the two sides of the frame, lifting wheel mechanisms are arranged at the front end and the rear end of the frame, and the two lifting wheel mechanisms are arranged in a splayed shape; the lifting wheel mechanism comprises a supporting inclined rod which is obliquely arranged, the upper end of the supporting inclined rod is hinged to the bottom of the frame, a lifting wheel is fixed to the lower end of the supporting inclined rod, the push-pull rod drives the supporting inclined rod to rotate, and the distance between the lifting wheel and the frame is adjusted; when the device does not work, the push-pull rod pushes the supporting inclined rod to rotate anticlockwise until the lifting wheel makes contact with the ground, the ploughing system, the spiral plough set system and the straw discharging system are all located above the ground, and the walking wheels are suspended; in the working process, the push-pull rod pulls the supporting inclined rod to rotate clockwise till the lifting wheel is suspended, the walking wheel makes contact with the ground, and the ploughing system, the spiral plough set system and the straw discharging system reach the designated working depth.

The invention relates to the technical field of irrigation saline-alkali soil improvement, in particular to an irrigation saline-alkali soil improvement method based on straw adsorption and water conservancy regulation, which comprises the following steps: acquiring multi-depth soil parameters and surface meteorological data of an irrigation area, and establishing a soil water-salt dynamic migration coupling model; calculating a vertical moisture flux and a plowing layer net salt flux by using the model; calculating an accumulated salt return risk index to obtain a salt return risk grade; building a straw decomposition index by using multi-depth soil parameters; on the basis of the straw decomposition index, updating the soil water and salt dynamic migration coupling model; in response to the fact that the salt return risk level is a high risk, constructing an optimization objective function; resolving and optimizing the objective function to obtain an optimal irrigation strategy; outputting an optimal irrigation strategy to an irrigation control system, and feeding back the optimal irrigation strategy to the model as an irrigation rate; according to the invention, threats can be identified before a high-risk salt return event occurs, the timeliness and initiative of regulation and control are improved, and the balance between treatment benefits and economic cost is realized.

The invention discloses a farmland straw smashing post-processing device which comprises a rack and further comprises a connecting piece fixedly connected to one end of the rack; the two furrow ploughs are fixedly connected to the two sides of the rack respectively; the collecting unit is mounted at one end, far away from the connecting piece, of the rack; the covering unit is arranged on the side, away from the rack, of the collecting unit; and the transmission mechanism is mounted on the rack. The invention relates to the technical field of straw crushing post-treatment, and according to the farmland straw crushing post-treatment device, through cooperation of the furrow plough, the collecting unit and the covering unit, grooves deep enough are formed in a field, and crushed straws on the surface of soil are pushed into the grooves to be buried, so that on one hand, the crushed straws can be prevented from being blown away by wind; on the other hand, the buried smashed straw is more beneficial to deterioration, the straw returning effect is guaranteed, the straw becomes natural fertilizer of soil, and cultivation is facilitated.