63 results about "Soil sealing" patented technology

The utility model discloses a film-breaking, seedling-pulling and soil-sealing device which comprises a frame and a driving motor, the right front wheel is connected to the front cross beam through a synchronous sleeve, a connecting plate and a supporting plate are sequentially arranged on the left side of the synchronous sleeve, and 4-6 plowing moldboards are evenly distributed on the connecting plate; 4-6 soil moving barrels corresponding to the plowing moldboards are uniformly distributed on the supporting plate; an annular track limiting plate with a soil unloading groove in the top is further fixedly arranged on the front cross beam; a baffle inserting plate is arranged outside the left end of the outer side wall of the inner side wall, an L-shaped telescopic gear lever is inserted into the baffle inserting plate, the vertical part of the telescopic gear lever is sleeved with a compression spring, and the horizontal part of the telescopic gear lever is connected with the outer side wall of the track limiting plate through a rolling bearing; a soil receiving box is arranged on the front cross beam through a soil receiving box mounting frame; a film-breaking seedling-pulling soil-sealing mechanism is arranged on the inner side of the middle part of the front cross beam. The utility model has the advantages of film breaking, seedling digging and soil sealing operation, time saving, labor saving and high working efficiency.

The utility model provides an environment-friendly waterproof structure, and relates to the field of building waterproof structures. Two rows of top bolts symmetrically penetrate through the outer eaves of the left side and the right side of the flexible plastic waterproof pad, the flexible plastic waterproof pad is fixed to a roof through the two rows of top bolts, and a plurality of rows of planting grooves are formed in the top end of the flexible plastic waterproof pad at equal intervals; the planting groove is of a rectangular structure, the interior of the planting groove is filled with soil, and green plants and flower plants for greening and environmental protection are planted in the soil; a soil sealing plate is embedded in an opening in the top end of the planting groove in a sealing and covering mode, the whole soil sealing plate is of a U-shaped structure, two L-shaped clamping plates are symmetrically and downwards welded to the top ends of a left side plate and a right side plate of the soil sealing plate, and two soil filtering assemblies can intercept and filter residual and mingled soil in overflowing water through nylon filtering wires evenly and densely distributed on the two soil filtering assemblies; the soil content in the rainwater is further reduced, and the probability that a roof drainage system is blocked and the water and soil loss of soil in the planting groove are further reduced.

The utility model discloses a portable soil heavy metal analyzer which comprises a storage box and an analyzer body, the analyzer body is placed in the storage box, a box cover is movably hinged to one side of the storage box, a storage table plate is arranged in the storage box, a plurality of partition frames are arranged at the top of the storage table plate, and the partition frames are movably hinged to the box cover. Two vertical frames are arranged at the top of the storage table plate, vertical rods are arranged in the two vertical frames, and by arranging the separation frame, the vertical rods, movable blocks, vertical strips, a placement plate and a sealing cover, the two movable blocks can move upwards at one end of the corresponding vertical rod by holding a grab handle and pulling the grab handle upwards; due to the fact that the movable block and the placing plate are connected through the vertical strip, an operator can conveniently take and place the analyzer body, after the sealing cover is turned outwards, the multiple separation frames are exposed, soil sealing samples can be conveniently placed in the storage table plate, taking and placing of the samples and the analyzer body can be independently carried out, and more time is saved in the process.

The utility model belongs to the technical field of agricultural fertilization, and particularly relates to a soil sealing device for agricultural fertilization, which comprises a rectangular fixing frame, a connector is welded in the middle of one end of the rectangular fixing frame, a supporting plate is welded on one side of the top end of the rectangular fixing frame, and first electric hydraulic push rods are symmetrically mounted at the top end of the supporting plate. A supporting clamping plate is installed at the output ends of the two first electric hydraulic push rods, and a plurality of soil loosening hooks are installed at one end of the supporting clamping plate. The device is connected with a walking type tractor and is driven by the walking type tractor, when the soil loosening hook moves in soil, the device can have a fertilization function through cooperative use of a material storage box, a discharging pipe, a feeding hose and a material injection pipe, and meanwhile through use of a first soil sealing plate and a second soil sealing plate, the soil loosening hook can be conveniently and rapidly loosened. And soil pits dug by the soil loosening hooks can be backfilled and sealed, so that the fertilization operation of a user is facilitated, and the use performance of the device can be improved.

The present invention discloses a rotary tillage type cotton seedling soil sealing machine, comprising a compacted soil rotary tillage and crushing device, a rotary soil taking structure, a cotton seedling screening and soil sealing structure, and a soil covering and humidifying device. The present invention belongs to the technical field of cotton seedling soil sealing equipment, and specifically refers to a rotary tillage type cotton seedling soil sealing machine; the present invention first crushes the agglomerated soil, takes the crushed soil, and then feeds it through a dumping structure in conjunction with a spiral auger to achieve a one-way soil transportation and soil covering sampling effect, and in conjunction with the extrusion of the spiral auger, screens the covering soil to prevent large pieces of soil and rocks from hitting the cotton seedlings, and in conjunction with a centrifugal watering structure, increases the humidity of the covering soil and enhances the adhesion effect of the covering soil.

The utility model relates to the technical field of agricultural equipment, in particular to mulching film side soil sealing equipment which comprises a machine frame, a plurality of driving wheels are arranged on the machine frame, a film pressing wheel is installed on one side of each driving wheel, an edge sealing structure is arranged on each driving wheel, and each edge sealing structure comprises a fixing frame installed at one end of the corresponding driving wheel. A collecting frame is fixedly installed on the fixing frame, a front shovel is fixedly installed on the collecting frame, a pouring opening is formed in one side of the collecting frame, a supporting frame is fixedly installed on one side of the fixing frame, and a soil pressing wheel is arranged on the supporting frame. Through the arrangement of the edge sealing structure, soil on a mulching film can be pressed and held after the mulching film is sealed with the soil, and the soil sealing firmness of the edge side of the mulching film is improved.

The invention belongs to the field of pesticide chemistry application, and particularly relates to a weeding composition with synergistic interaction and weed resistance treatment and application thereof.The weeding composition is composed of bensulfuron methyl, benzobicylon, butachlor and fenclorim active ingredients, and the weight ratio of bensulfuron methyl to benzobicylon to butachlor to fenclorim is 1: (1-3): (20-40): (2-5). The dispersible oil suspending agent is prepared through dosage form processing, is diluted with water to form a homogeneous liquid, is applied in the early stage of rice germination acceleration and barnyard grass germination in direct seeding rice fields, and has an excellent prevention and treatment effect on amide-resistant moleplant seeds.

The invention discloses a soil covering structure for seedling transplanting. The soil covering structure comprises an outer cylinder, a fixed handle, an inner cylinder and a soil sealing unit, the fixed handle comprises a first vertical rod fixedly connected with the upper end of the outer cylinder, and the upper end, away from the outer cylinder, of the first vertical rod is further connected with a horizontal first transverse rod. The inner cylinder body is coaxially arranged on the inner side of the outer cylinder body, an annular cavity is formed between the inner cylinder body and the outer cylinder body, and a second vertical rod is fixedly arranged between the inner cylinder body and the first transverse rod; the soil sealing unit comprises a third vertical rod which is perpendicular to the first transverse rod and slidably connected with the first transverse rod, the third vertical rod penetrates through the first transverse rod, an annular soil sealing plate is arranged at the lower end of the third vertical rod, and the soil sealing plate is correspondingly arranged on the upper side of the annular cavity; in conclusion, a third vertical rod slides downwards and drives a soil sealing plate to slide downwards at the same time, so that the interior of an annular cavity can be pushed out, the part of soil just falls around the seedlings, then the part of soil is simply shaped through the soil sealing plate, and soil covering of the surface layer during seedling transplanting can be completed.

The invention relates to the technical field of traditional Chinese medicinal material planting, in particular to a traditional Chinese medicinal material epimedium under-forest cultivation device which comprises a traction control frame, a walking mechanism, an epimedium seedling containing hopper and a control module. The end part of the traction control frame is provided with a multi-directional adjusting mechanism consisting of a liftable bracket and a bulldozing telescopic piece, the multi-directional adjusting mechanism is connected with a soil sealing bracket, a follow-up driving motor on the soil sealing bracket drives an arc-shaped push plate (the arc-shaped push plate is V-shaped when being overlooked, and the height of the soil stirring plate is gradually changed from a wide part to a narrow part) with a soil stirring plate; a pneumatic control cylinder in the middle of the walking mechanism is provided with multiple sets of automatic clamping assemblies (including a second air pipe, a clamping supporting plate, a flow distribution air bin and a soft clamping / limiting telescopic plate), automatic fixed-distance lossless planting of seedlings is achieved, the roots are precisely and evenly covered with soil, the device is adaptive to under-forest complex terrains, the planting efficiency and the seedling survival rate are greatly improved, and the device is suitable for large-scale popularization and application. Meanwhile, the labor intensity of workers is reduced, and the large-scale cultivation requirement under the epimedium forest is met.

The utility model relates to the technical field of tea planting, in particular to a fertilizing and soil sealing device for tea planting, which comprises a soil sealing device, a rubbing frame is fixedly connected to the side surface of the soil sealing device, a push handle is fixedly connected to the upper surface of the rubbing frame, universal wheels are arranged at the bottom of the rubbing frame, and a guide frame is fixedly connected to the inside of the soil sealing device. A pushing rod is movably connected to the interior of the guide frame, a side support is fixedly connected to the side surface of the guide frame, a first motor is fixedly connected to the upper surface of the side support, and a rotating rod is fixedly connected to the output end of the first motor. Through the arrangement of the rotating rod and the pushing rod, the soil shovel can reciprocate when shoveling soil, so that the soil can cover a fertilization ditch more uniformly, the situation that local sealing soil is too thick or too thin is avoided, it is ensured that fertilizer is completely covered, and the overall quality and attractiveness of sealing soil are improved.

The invention relates to a ginger planting machine, comprising a traveling frame, a main frame installed on the traveling frame, and a furrowing and ridging device, a ginger planting device and a film covering device which are sequentially installed on the main frame from front to back, wherein the furrowing and ridging device, the ginger planting device and the film covering device are respectively connected to driving equipment on the main frame in a transmission manner; the furrowing and ridging device comprises a soil leveling auger, a soil pressing roller and a chain furrowing knife; the ginger planting device comprises a ginger mother conveyor belt and a ginger covering rotary knife, the end of the ginger mother conveyor belt is located directly behind the chain furrowing knife, and the ginger covering rotary knife is located behind the ginger mother conveyor belt; the film covering device comprises an arch support assembly and a film supporting assembly, the arch support assembly comprises an arch support box, an arch support mold, an arch support rod and an arch support clamp, the film supporting assembly comprises a ground film support and a ground film shaping mold, a furrowing knife wheel is arranged in front of the arch support mold, and a soil covering knife wheel is arranged behind the ground film shaping mold, and the ginger planting machine can complete six links of furrowing and ridging, applying base fertilizer, ginger planting, soil covering and ginger covering, applying herbicide and ground film covering at one time.

The present invention discloses a pit-type planting machine, comprising: a frame, a pit digging device arranged at the head end of the frame, a soil covering device installed in the middle of the frame, a planting device located at the end of the frame, and a transmission device fixedly installed on one side of the frame; wherein the soil covering device comprises a right soil covering shovel and a left soil covering shovel; the planting device is mainly composed of a planting connecting rod, a front duckbill and a rear duckbill connected to the planting connecting rod, and a hanging cup is arranged above the planting device; the front and rear spacing between the pit digging device and the planting device is one plant spacing, the soil covering device is located in the middle of the pit digging device and the planting device, and the front and rear spacing between the pit digging device and the soil covering device is half a plant spacing. The present invention not only effectively reduces the front and rear length of the planting machine and reduces the turning radius of the field, but also improves the land utilization rate and reduces the planting production cost.

The invention relates to the technical field of testing of through-the-earth transmission capacity of wireless electronic detonators, in particular to a through-the-earth testing device for wireless electronic detonators, which comprises an overground part and an optical fiber control module, and is characterized in that the overground part comprises a wireless communication module and an optical fiber control module, the wireless communication module is a radio frequency module with the frequency band of 433MHz and is used for remote instruction transmission, and the optical fiber control module is connected with the wireless communication module; the optical fiber control module comprises a battery, a controller and an optical fiber transceiver; the optical fiber control module is used for controlling signal conversion and power supply; the underground part comprises a device shell, an optical fiber communication unit, a wireless electronic detonator and a communication line, the device shell is used for bearing soil sealing pressure and does not interfere with low-frequency signals, the optical fiber communication unit comprises an optical fiber transceiver, a controller and a battery, and the first end of the optical fiber communication unit is connected with the optical fiber control module; and the second end of the light communication unit is connected with a debugging interface of the wireless electronic detonator through a communication line. The device provided by the invention can be used for repeated testing, saves the cost, and provides guidance for field engineering implementation of the wireless electronic detonator.

The pile feeder assembly with the replaceable pile cap comprises a dowel bar, the lower end of the dowel bar is connected with the pile cap, and a soil sealing device is arranged in the pile cap. An external thread is arranged on the outer wall of the lower end of the dowel bar; a connecting thread groove is formed in the center of the top of the pile cap in an inward concave mode, and internal threads are formed in the inner wall of the connecting thread groove; the soil sealing device comprises a sleeve with an opening in the upper end, and the upper edge of the sleeve extends outwards to form a circular-ring-shaped soil sealing plate; the sleeve can be arranged outside the connecting thread groove in a sleeving mode. The pile cap can be detached and replaced after being broken, and operation is convenient; the rod body of the dowel bar is provided with a graduated scale, so that the number of strikes can be conveniently recorded in the pile feeding process, and the rod body of the dowel bar is provided with an inclinometer, so that the inclination angle can be conveniently controlled when an inclined pile is fed; the annular pile pad is sleeved on the connecting thread groove, so that the pile pad can be conveniently fastened in the pile cap, and the pile pad can be effectively prevented from deviating and falling off; the soil sealing device can be automatically left on the pile top after pile feeding is finished, and pile top soil is effectively prevented from entering a pile core.

This invention provides a photovoltaic power station for use in coal mining subsidence areas. It includes multiple sets of photovoltaic modules arranged above the soil layer in the subsidence area, with each set of modules interconnected via structural connectors to form a continuous photovoltaic array. Each photovoltaic module includes multiple bases arranged on the soil at the edge of the subsidence pit, with photovoltaic support structures mounted on the bases. Counterweight stabilizing beams connect adjacent bases within each photovoltaic module. All structural connectors, counterweight stabilizing beams, and bases together constitute a soil sealing layer in the coal mining subsidence area. This invention can reduce the damage caused by subsidence in coal mining subsidence areas to the photovoltaic power station, while also providing better sealing of the soil layer and reducing the impact of natural wind on the soil.

The present invention provides a ternary compound herbicide and its preparation method and application, relate to the field of agricultural science and technology, the ternary compound herbicide provided by the present invention, is composed of specific high-efficiency flupyralid, 2,4-drop butyrate sodium salt and fluazifop-butyl. Through the inventor's research, it is found that the three are combined, not only the weed killing spectrum is expanded, and its mechanism of action is different, and the synergistic effect of co-application is significant. Through experimental observation, the contact effect of fluazifop-butyl, for high-efficiency flupyralid, 2,4-drop butyrate sodium salt enters weeds and opens up a channel, improves the absorption and utilization rate of medicament, is the main reason for its synergistic effect. And the three have soil sealing effect, compared with the existing application agents such as glyphosate, not only have higher prevention effect to unearthed weeds, also have certain sealing effect to unearthed weeds.

The utility model belongs to the technical field of soil sealing devices, and discloses a simple soil sealing device for dry sowing and wet discharging of cotton, which comprises wheels and a frame, the wheels are connected with the frame through fixing rods, a T-shaped handle is arranged at the upper end of the frame, a connecting cylinder is arranged at the lower end of the frame, two ends of the connecting cylinder are slidably connected with connecting rods, and the connecting rods are slidably connected with soil shoveling assemblies. A mounting frame is arranged below the connecting cylinder, and rollers are arranged on the mounting frame; according to the scheme, the frame is connected with the wheels through the fixing rods, the front wheel and the two rear wheels can be kept balanced and cannot topple over when not pushed, the connecting cylinder is arranged at the lower end of the frame, the connecting rod is connected to the connecting cylinder in a sliding mode, the soil shoveling assembly is connected to the connecting rod in a sliding mode, and the soil shoveling assembly can slide up and down on the connecting rod; the connecting rod can slide left and right on the connecting cylinder to adjust the distance and the height so as to adapt to different line spacing and soil shoveling heights.

The invention provides an ecological restoration material and a surface ecological restoration method, and belongs to the technical field of ecological restoration. The coal ash, the carbide slag and the construction waste in the soil sealing layer material can be subjected to gelation reaction with water to form a gel substance, the gel substance has the effects of retaining water and fertilizer and preventing penetration of plant root systems, the ecological restoration effect is improved, and the service life is long; the coal gangue in the soil filling layer material contains a large number of trace elements, the porous structure of the construction waste has rich fine pores, the stability is good, and plant growth is facilitated; coal gangue in the material of the planting layer is added with biomass waste and the like and then is pre-cured and activated to form nutrient soil, so that the growth of plants is facilitated; the material for ecological restoration provided by the invention not only can consume solid wastes such as coal gangue on a large scale, but also can provide a better soil structure and good water and fertilizer retention capability, promotes plant growth, and has an excellent ecological restoration effect.

The present application relates to the technical field of Chinese herbal medicine planting, in particular to a device for undergrowth cultivation of Chinese herbal medicine Epimedium, comprising a traction control frame, a walking mechanism with a planting drive wheel containing a detachable counterweight on the traction control frame, an Epimedium seedling holding bucket and a control module; a multi-directional adjusting mechanism composed of a liftable support and a bulldozer telescopic part is arranged at the end of the traction control frame, which is connected to a soil sealing support, and a curved push plate with a soil shoveling plate (V-shaped in plan view, the height of the soil shoveling plate gradually changes from the wide part to the narrow part) is driven by a follow-up drive motor; a plurality of automatic clamping assemblies (containing a gas pipe II, a clamping support plate, a flow distribution air chamber and a soft clamping / limiting telescopic plate) are arranged in the middle of the walking mechanism, the device realizes automatic distance setting and non-destructive planting of seedlings, accurate and uniform soil sealing of roots, adapts to complex undergrowth topography, greatly improves planting efficiency and seedling survival rate, reduces labor intensity of workers, and meets the demand for large-scale cultivation of Epimedium undergrowth.

The invention relates to integrated sesame rotary tillage, fertilization and seeding equipment which comprises a rotary tillage device, a soil leveling device, a seeding device, a ditching device and a soil sealing device which are sequentially installed below frame rods on the two sides of a machine frame from front to back, the soil sealing device comprises a soil sealing roller and an adjusting mechanism, and a support is arranged on the bottom face of the end of each side frame rod. The two ends of the soil sealing roller are rotationally connected between the middles of the frame rods on the two sides through roller shafts. A fertilizer bin is arranged above a rotary tillage bin of the rotary tillage device, and a fertilizer feeder is arranged at the bottom of the fertilizer bin; the seeding device comprises a plurality of seeders installed between two trapezoidal plates in the middle of the rack, a first right-angle steering gear is installed on a roller shaft at one end of a soil sealing roller, a stepless speed reducer connected with a first synchronizing shaft is installed on the outer side face of each trapezoidal plate, and a second right-angle steering gear is installed on a roller shaft at the other end of the soil sealing roller. A manual gearbox connected with the synchronizing shaft B is mounted on the end surface of the fertilizer bin; according to the seeding equipment, the stability and the driving efficiency of bidirectional driving of the soil sealing roller are ensured, and the soil covering and burying quality and the seeding quality of seeds are improved.

This utility model belongs to the technical field of soil sealing machines and discloses a chassis for a telescopic variable amplitude automatic height-adjustable obstacle-crossing soil sealing machine. It includes an outer frame, with a fixed support fixedly installed on one side of the inner side of the outer frame, and a movable support movably installed on the other side of the inner side of the outer frame. The movable support is hinged to the fixed support via multiple sets of rotating devices. Hydraulic cylinders are hinged to the middle of both ends of the outer frame, and the power output end of the hydraulic cylinders is hinged to the movable support. This utility model has a simple overall structure and can automatically adjust part of the height during the operation of the soil sealing machine to avoid obstacles, protect the drip irrigation tape, and improve the performance.

The invention discloses a water covering excavation foundation pit flow state solidified soil sealing bottom pouring system which comprises a pouring air bag system, the system is divided into a foundation pit body air bag and a diaphragm wall air bag, a connecting air belt is arranged at the connecting position of every two adjacent air bags, a pouring pipe connector is arranged at one end of each air bag, and an exhaust pipe is arranged at the other end of each air bag; the fluid-state solidified soil stirring and pumping system comprises an intelligent stirrer and a visual fluidity observation pipe, the visual fluidity observation pipe is used for detecting the fluidity of the fluid-state solidified soil in real time and feeding back a detection result to the intelligent stirrer, and the intelligent stirrer is used for adjusting the water-binder ratio of the fluid-state solidified soil according to the real-time fluidity; and the bottom sealing pressure real-time monitoring system comprises a distributed pressure sensor for feeding back the water pressure of the bottom sealing layer in real time. Through the pouring air bag system and the stirring and pumping system, pouring and pumping of flow-state solidified soil are achieved, the pressure sensor is arranged to monitor the pressure of bottom sealing confined water in real time, secondary grouting is conducted in time when the pressure is abnormal, and the stability in the foundation pit construction process is improved.

The invention relates to a stubble land no-tillage straw throwing and covering sesame precision seeder which comprises a smashing and throwing device, a fertilizing and seeding synchronous driving device and a ditching and soil sealing device which are arranged on the front portion of a rack, a synchronous wheel on the rack transmits power to a driving shaft through a gearbox, and the driving shaft drives a first synchronous shaft to rotate through chain transmission; the first synchronizing shaft drives the seed discharging assembly to synchronously operate for seed discharging, the driving shaft drives the second synchronizing shaft to rotate through the right-angle steering gear and the telescopic type, the second synchronizing shaft drives the discharging mechanism to synchronously operate for fertilizer discharging, power can be provided for sowing and fertilizer applying at the same time through rolling of the walking wheels, and the power composition of the sowing machine is simplified. The clockwise crushing teeth and the anticlockwise crushing teeth arranged in the crushing bin can synchronously and reversely rotate, stubbles left in ploughing are crushed from the two ends of the crushing bin and then thrown out, then the stubbles on the earth surface are crushed and cleaned out of a sowing area, the phenomenon that sesame seeds are wrapped by the crushed stubbles mingled in soil after sowing is avoided, and the sowing efficiency is improved. The emergence rate of sesames after sowing is ensured.

The invention belongs to the technical field of agricultural equipment, and discloses a telescopic variable-amplitude automatic height-adjusting type obstacle-crossing soil sealing machine which comprises a traction support, a fixed support is hoisted at the lower end of the traction support, rotary tillage supports are symmetrically arranged at the two ends of the fixed support in the length direction, and the two rotary tillage supports can move in the length direction of the fixed support. A motor reducer support is hinged to one side of the interior of the fixed support, two first driving sets which are symmetrically arranged at intervals and used for driving the rotary tillage support to move are arranged on the two sides in the width direction in the fixed support, and two flow dividing devices which are symmetrically arranged are arranged on one side of the rotary tillage support. Second driving sets are further arranged at the two ends of the fixed support in the length direction. The device is simple in overall structure, part of height can be automatically adjusted to achieve obstacle avoidance in the advancing work of the soil sealing machine, and when the flow dividing device needs to be lifted, lifting-returning dynamic adjustment can be automatically conducted, and the using effect is improved.

The utility model discloses a soil sealing device for agricultural fertilization, which comprises a butt joint block, and a connecting frame is fixedly connected below the butt joint block; the vertical rod is slidably installed on the side face of the connecting frame, and a sliding block is fixedly installed on the side face of the vertical rod; the limiting plate is fixedly installed on the side face of the connecting frame, a limiting mechanism is installed on the right side of the vertical rod, and the limiting mechanism comprises a fixing base, a stud and a rotary knob; the additional fixing mechanism is mounted on the side face of the connecting frame, and the additional fixing mechanism comprises a mounting seat, a screw rod, a clamping plate and a screw sleeve; the base is fixedly installed at the bottom of the vertical rod, and the soil sealing scraper knife is connected to the side face of the base through a connecting mechanism. According to the soil sealing shovel blade, the groove is formed, so that the soil sealing shovel blade can be connected with the frame twice, the frame cannot be damaged due to the groove, the firmness of the soil sealing shovel blade after the soil sealing shovel blade is connected with the frame can be improved, and the damaged soil sealing shovel blade can be replaced conveniently.

The invention discloses a plant protection unmanned aerial vehicle pesticide application method for relieving corn continuous cropping soil compaction, and the method comprises the following steps: 1, planning a soil compaction baseline, determining the soil baseline compactness, soil bulk density and porosity of a test field block, and planning a flight path of a plant protection unmanned aerial vehicle; 2, weeding before emergence: applying a soil sealing herbicide after corn sowing and before emergence; 3, middle-stage comprehensive flight prevention, wherein the pesticide is applied for the second time in the middle stage; 4, later-stage precise flying prevention is conducted, and in the middle and later periods of corn growth, a disease and pest prevention agent is sprayed; 5, evaluating the soil compaction slow-release effect, after the corn is harvested, measuring the soil compaction degree of the field, and comparing and analyzing the soil compaction degree data with the soil compaction degree data of a traditional agricultural implement in-field pesticide spraying contrast area; according to the method, through the complete operation processes of soil compaction baseline evaluation, pre-emergence closed weeding, middle-stage comprehensive flight prevention and later-stage precise flight prevention, flight parameters and pesticide schemes matched with corn canopy characteristics in all stages are optimized.

The invention discloses a northern cabbage type winter rape overwintering cultivation method which comprises the following steps: A, ploughing soil, removing stubbles in the soil, and then fertilizing before sowing; b, sowing is conducted from the last ten days of September to the first ten days of October; a precision seeder with a furrow opener is adopted for seeding, the furrow opening depth ranges from 5 cm to 10 cm, the seeding depth ranges from 2 cm to 3 cm, the line spacing ranges from 25 cm to 40 cm, and the seeding quantity per mu ranges from 0.2 kg to 0.4 kg; c, within 3 days after sowing, pre-emergence herbicide is used for soil sealing treatment; d, a mechanical soil covering machine is adopted for soil covering operation before overwintering water is poured, and the soil covering thickness is 1-2 cm; e, overwintering water is irrigated before overwintering, the daily average temperature of watering is selected to be 3-5 DEG C, the wind power of sprinkling irrigation is selected to be smaller than 4 levels, and the irrigation amount per mu is 30-50 m < 3 >; f, performing field management after reviving until maturing and harvesting. The method can overcome the defects in the prior art and improve the overwintering rate of the brassica napus.

The utility model relates to an overturning locking type soil sealing wheel height adjusting mechanism which comprises two soil sealing wheels symmetrically arranged in a V shape, a square barrel fixing rod and a square barrel lifting rod, the two soil sealing wheels are connected through a V-shaped shaft, the square barrel lifting rod is fixedly connected to the middle of the V-shaped shaft, the square barrel fixing rod and the square barrel lifting rod are sleeved in a sliding mode, and the square barrel fixing rod is connected with the square barrel lifting rod. A nut seat is fixedly sleeved at the upper end opening of the square cylinder lifting rod, a screw rod is coaxially connected in the nut seat, a bearing is mounted at the upper end opening of the square cylinder fixing rod, the upper end of the screw rod is rotatably sleeved in the bearing, and a hand rocker is mounted on an extension shaft at the upper end of the screw rod; according to the mechanism, the screw rod can be driven to rotate through the hand rocker, the screw rod drives the square barrel lifting rod to slide up and down in the square barrel fixing rod through the nut seat, height adjustment of the two soil sealing wheels is achieved, height adjustment of the soil sealing wheels can be simply and efficiently completed through the adjustment mode, and the adjustment precision is high.

The invention provides a method for accelerating aerobic stabilization of a refuse landfill, which belongs to the technical field of refuse landfill treatment, and comprises the following steps: arranging a leachate recharge well in a refuse layer, and arranging two water injection pipes at different positions in the leachate recharge well; covering the garbage layer with soil; and respectively refluxing percolate added with different microbial complex microbial inoculants into the water injection pipes with different adding positions. By adopting the acceleration method for treatment, the degradation time of organic matters in the garbage can be shortened, the stabilization of the garbage yard is accelerated, and the stable operation cost is reduced.

The utility model relates to the field of earthing storage tanks, and discloses an earthing storage tank lightning protection device which comprises a device wall, a lightning protection grounding system is arranged in the device wall, the lightning protection grounding system comprises a thick soil layer covering the interior of the device wall, a storage tank is arranged in the thick soil layer, and a grounding grid is laid on the outer wall of the storage tank in a surrounding mode. The upper layer of the thick soil layer is covered with a soil sealing layer, and the right side of the top end of the device wall is provided with an anti-thunder lightning arrester. According to the earthing storage tank lightning protection device, the thick soil layer, the grounding grid, the soil sealing layer, the lightning protection lightning arrester and the high-pressure water pump are arranged, the grounding grid is laid on the inner layer of the thick soil layer of the earthing storage tank in a surrounding mode, and the lightning protection lightning arrester rapidly disperses lightning current to the grounding grid through a cable in the lightning guiding process; by means of the design, lightning stroke energy can be guided into the ground, the automatic fire prevention capacity is achieved, and the problem that the storage tank is struck by lightning is solved.