268 results about "Land leveling" patented technology

The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil treatment and improvement method which comprises the following steps: S1, early-stage investigation and planning; s2, physical improvement; s3, chemical improvement; s4, biological improvement; s5, irrigation improvement; s6, later monitoring and maintenance; according to the saline-alkali soil treatment and improvement method, a traditional single improvement mode is broken through, physical, chemical, biological and engineering technologies are fused, a systematic improvement scheme is formed, and physical improvement effectively improves the soil structure and accelerates salt discharge through land leveling, deep ploughing, upturned soil sunning and concealed pipe laying for drainage; a soil conditioner and an acidic material are precisely applied for chemical improvement, and the soil acidity and alkalinity and ion composition are adjusted; in biological improvement, salt is absorbed by virtue of salt-tolerant plants and microbial agents, and soil microbial communities are improved; a fresh water resource or salt water desalination technology is reasonably utilized for irrigation improvement, and salt leaching and water resource recycling are achieved; through the synergistic effect of multiple means, the salt content of soil can be more efficiently reduced, and the soil structure is improved.

The utility model discloses a novel double-row adjustable independent profiling ditching monomer, belongs to agricultural machinery, mainly relates to a seed ditching operation assembly on a seeding machine, and aims to solve the problems that two rows of existing seed openers are mechanically connected together, so that the land leveling effect is good, and the adverse situation that one row is deep and one line is arranged when ridge operation is carried out or a slope is not aligned with a ridge is caused. In the other way, two sets of single-row assemblies are arranged together to form a so-called double-row structure, so that the manufacturing cost is greatly increased, and in the other way, a double-row furrow opener is easy to block when the furrow opener raises a lot of sundries. All the defects of the machine type can be overcome; according to the basic design of the double-row furrow opener, the double-row furrow opener is divided into two independent furrow openers, the problem that one row is deep and the other row is shallow can be solved in a floating mode, the problem that blockage is prone to occurring is solved through the design that the two furrow opening discs are arranged in tandem, the problem that cost is high is solved by combining two single bodies into one single body, and the double-row furrow opener is mainly used for improving the seeding quality and further increasing the grain yield.

The invention relates to the technical field of land layout, and discloses a BIM platform-based land reclamation project automatic rapid layout method and system, and the method comprises the steps: obtaining the site topographic data of an excavation region, obtaining an original landform BIM model of a field based on the data, carrying out the screening, enabling the screened original landform BIM model of the field not to comprise a super-slope region, and carrying out the screening of the original landform BIM model of the field; arranging a terrace according to the contour line to obtain a field piece line, performing grouping based on the contour line interval where the height of the point cloud data is located, calculating a field surface design elevation, and establishing a preliminary terrace model on the basis of the original landform BIM model of the field piece based on the field piece line, the gross width of the terrace and the field surface design elevation; and establishing a ridge and ridge model on the basis of the preliminary terrace model according to the field surface clear width, the ridge width and the ridge height. According to the invention, a convenient, rapid and intelligent field distribution scheme is provided for a land leveling construction project in the hilly area, so that fine improvement construction of the terrace type terraced field in the hilly area is realized.

The invention discloses a restoration method for improving salinized grassland, and relates to the technical field of ecological environment restoration. Physically, a laser land leveling instrument is combined with topographic surveying and mapping to control the land flatness, and an intelligent irrigation and drainage system is constructed; chemically, a novel composite modifier is prepared to regulate soil; biologically, saline-alkaline tolerant grass seeds are treated to construct communities, and microbial agents are applied. And meanwhile, a monitoring network is constructed for precise monitoring and regulation, the cost is reduced by utilizing agricultural wastes and local materials, and sustainable development is realized. The method can effectively reduce the soil salinity, adjust the pH value, improve the vegetation coverage rate, increase the number of soil organic matters and microorganisms, and realize saline-alkali grassland soil improvement, vegetation recovery and ecological sustainable development.

The invention discloses a flat ground side slope profiling mower and a control method thereof. The flat land side slope profiling mower comprises a movable chassis, a side slope weeding device, a flat land weeding device, an obstacle avoidance weeding device and a control system. The side slope weeding device is arranged at the top of the movable chassis and comprises a mechanical arm and a side slope weeding mechanism; the land leveling and weeding device is arranged on the front face of the movable chassis and comprises a land leveling and mowing box and a land leveling and mowing mechanism. The two groups of obstacle avoidance and weeding devices are arranged on the two sides of the flat ground mowing box, and each obstacle avoidance and weeding device comprises a first wheel seat arranged on the flat ground mowing box, a second wheel seat arranged on the first wheel seat and an obstacle avoidance and weeding mechanism arranged in the second wheel seat; the first wheel seat is hinged to the flat ground mowing box. The profiling mower for the flat ground and the side slope has the advantages of being suitable for operation on different terrains such as the flat ground and the sloping field, meanwhile, accurate mowing operation can be achieved, and the mowing efficiency can be 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.

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.

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

The invention provides a saline-alkali soil salt elimination system and method based on straw formation, and belongs to the technical field of soil drainage and saline-alkali soil treatment. The system comprises a straw drainage body buried in the saline-alkali soil, a water collecting well buried in the saline-alkali soil and a drainage ditch formed by digging in the surface of the saline-alkali soil. The straw drainage body is communicated with the water collecting well, and a water pumping mechanism is arranged in the water collecting well and used for draining saline-alkaline water collected in the water collecting well into the drainage ditch; the method comprises the steps of S1, land leveling; s2, determining layout parameters and a scheme; s3, processing and manufacturing a straw drainage body; s4, mounting: digging a drainage ditch at a design position, laying a straw drainage body and mounting a water collecting well; s5, slope protection treatment of the drainage ditch slope; s6, crop planting; s7, soil salt leaching; s8, discharging water and salt; according to the method, the straw drainage body and the straw grass blanket slope protection are constructed by using the straw, the method is ecological and environment-friendly, the drainage and slope fixation effects are good, and favorable conditions are provided for saline-alkali soil treatment.

The invention relates to a movable field land construction leveling device, and belongs to the technical field of land consolidation. The movable field land construction leveling device comprises an external connecting frame, a driving motor is installed at the upper end of the external connecting frame, a balance weight leveling frame is hinged to one side of the external connecting frame, and a leveling tooth comb is fixedly connected to the lower end of the balance weight leveling frame; hard and large soil blocks can be stirred, guided and conveyed into the soil storage crushing bin to be damaged by the soil turning assembly, the soil blocks are damaged through the inclined assembly plate and the auger plate, the damage effect is improved under cooperation of crushing teeth, and due to the fact that the auger plate is located in the inclined assembly plate and has different positions, the gradual refining and crushing effect on the soil blocks is improved in an auxiliary mode, and the crushing efficiency is improved. In the land leveling process, fine soil is turned and loosened, caked soil is broken and loosened, the overall field loosening effect is achieved, and the land leveling efficiency is improved when the land leveling device is matched with the leveling assembly to level the land.

The invention discloses a dynamic extension neighborhood operation path planning method for a satellite navigation land leveler. The method comprises the following steps: S1, delimiting the size of a grid; s2, selecting a working starting point; s3, generating a neighborhood near the current grid, and planning a neighborhood matrix; s4, judging whether the current neighborhood covers the farmland earthwork grid diagram or not, if so, turning to step S8, and otherwise, turning to step S5; s5, judging whether grids meeting non-overload and non-no-load conditions exist in the current neighborhood or not, if the grids meeting the judgment conditions exist in the neighborhood matrix, sequentially storing the grids into an array for temporary storage, otherwise, expanding the range of the searched grids, and returning to the step S3; s6, selecting the next working grid with the minimum turning angle theta; s7, updating the data; and S8, judging whether all the grids are leveled or not, if all the grids are leveled, completing global path planning, and otherwise, returning to the step S3. According to the invention, the invalid working time is shortened, the turning frequency and angle are reduced, and the leveling operation efficiency is improved.

The utility model discloses garden land obstacle removing and leveling equipment, and belongs to the field of land leveling equipment.The garden land obstacle removing and leveling equipment comprises a vehicle body, a through groove is formed in the surface of the top of the vehicle body, a frame is fixedly mounted at the top end of the vehicle body, a mounting plate is fixedly mounted in the through groove, and a storage tank, an air cylinder and a protection box are fixedly mounted on the inner wall of the top end of the frame in sequence; the top end of the storage tank penetrates through the frame, a feeding frame and a water injection pipe are fixedly mounted at the top end of the storage tank, a spraying assembly is arranged between the storage tank and the mounting plate, and a stirring assembly is arranged in the storage tank; a mounting frame is fixedly mounted at the end of a piston shaft of the air cylinder, and a protection frame is fixedly mounted on the inner wall of one side of the mounting frame. Through cooperation of the driving assembly and the rotary tillage piece, the effect of rotary tillage of land is achieved, the effect of crushing large soil is achieved, then the reciprocating assembly drives the beating plate to beat the ground indefinitely, the effect of land leveling can be achieved, and the leveling efficiency of the equipment can be improved.

The invention relates to the technical field of agricultural machinery, in particular to a vegetable greenhouse ploughing and soil preparation all-in-one machine which comprises a swing structure, a rotary plough structure and a control system, the swing structure comprises a mounting frame, a main beam, a telescopic structure and a main beam driving structure, the main beam is rotationally mounted on the mounting frame, and the main beam driving structure is arranged between the mounting frame and the main beam; the main beam driving structure is used for driving the main beam to rotate, the telescopic structure is arranged on the main beam, the telescopic structure and the main beam driving structure can work in a matched mode, rotary plough blades transversely plough in a reciprocating mode, soil in a greenhouse can be ploughed only by advancing a tractor for one or two times, frequent back-and-forth turning and reversing are omitted, and the labor intensity of workers is reduced. The structure is not provided with a multi-connecting-rod rocker arm structure, during swinging, the rotary tillage structure linearly reciprocates, no dead angle exists when the rotary tillage structure is used in a greenhouse, obstacles such as stand columns can be avoided, and the rotary tillage structure is very suitable for being used in the vegetable greenhouse.

The utility model discloses a special traction type leveler for irrigated land, and relates to the technical field of land leveling, the special traction type leveler comprises a main frame body and a folding assembly used for changing the land preparation range, and the folding assembly comprises a U-shaped frame fixedly mounted in the middle of the top surface of the main frame body and a folding frame mounted on one side of the main frame body. By arranging the folding assembly, the device can be freely folded in the using process according to the size condition of land parcels, the flexibility degree of the device is increased, the device can adapt to the land parcels of different sizes and shapes, the same device can be applied to various different land leveling projects, the utilization rate of the device is increased, and meanwhile the device is convenient to use. The device can be freely adjusted according to the size of a land parcel, time and labor for repeated operation are reduced, operation efficiency is improved, in addition, due to the folding function, free adjustment can be achieved according to the size of the land parcel without excessive manual participation, manual adjustment and setting time is shortened, and labor cost is reduced.

The invention discloses a planting method for improving the yield and quality of panax notoginseng through alternate irrigation, and belongs to the technical field of panax notoginseng planting.The method comprises the steps of land selection and land leveling, ridging, seedling picking and transplanting, field and water and fertilizer management, digging and the like. The pseudo-ginseng seedlings are soaked in a mixed solution containing a bactericide, an insecticide and rooting powder, the transplanting survival rate of the pseudo-ginseng seedlings can be remarkably increased, vegetative growth is accelerated, plant individual development is achieved, and then the purposes of reducing the production cost and improving the yield and quality of the pseudo-ginseng are achieved.

The invention discloses an all-solid-waste-based cementing material for inducing chlorine salt in waste incineration fly ash by using active magnesium oxide and a preparation method of the all-solid-waste-based cementing material. According to the invention, active magnesium oxide is utilized to induce in-situ conversion of the chlorine salt in the waste incineration fly ash into the cementing material, so that the problems of unstable curing system and potential secondary environmental pollution caused by harmful impurity chlorine salt are effectively improved, and the reaction degree and strength development of the cementing system are promoted under the action of co-processing the copper-containing electroplating sludge; and meanwhile, it is guaranteed that the heavy metal leaching concentration of the system meets the GB / T 16889-2008 national safety landfill standard. The cementing material prepared by the invention is expected to be used as building materials for roadbeds, land leveling, pit backfilling and the like, effectively widens the value-added utilization mode of solid wastes, realizes efficient toxicity reduction of the waste incineration fly ash, has positive influence on the environment, society and economy, and has wide application prospects. And an innovative sustainable development mode is provided for resource utilization of solid wastes and green transformation of the building industry.

The invention discloses a method for improving the quality of cultivated land through mixed sowing of perennial beans, grasses and forage grass. The method comprises the steps that deep ploughing and soil turning are conducted, land leveling is conducted, and organic fertilizer is applied to serve as base fertilizer; the method comprises the following steps: determining a mixing ratio of leguminous forage grass to gramineous forage grass of 3: 7-1: 1, and carrying out mixing pretreatment on the two forage grass seeds, namely preparing a nano titanium dioxide solution containing various nutrients and trace elements, screening stress-resistant domesticated rhizobium, disinfecting, soaking, coating and the like; reasonably topdressing in the forage grass growth period; when the pasture grows to a specific stage, the pasture is cut for 2-3 times every year; after 3-5 years of continuous utilization, crop rotation is carried out, and deep ploughing and fertilization are carried out again. According to the seed mixing pretreatment mode, the operation process is simplified, the cost is reduced, balanced nutrition supply is guaranteed, synchronous germination of seeds and coordinated growth of seedlings are promoted, and the fertilizer utilization rate is increased. The screened adversity-resistant domesticated rhizobium enhances the stress resistance of mixed sowing grassland, improves the yield and quality of alfalfa, and further improves the overall quality of mixed sowing pasture.

The present invention proposes an ecological concealed pipe drainage structure for improving saline-alkali land and an application method thereof, which relates to the technical field of soil drainage and saline-alkali land management; the ecological concealed pipe drainage body includes a plurality of drainage units connected by assembly, and the drainage unit includes: an inner core layer, a skeleton layer, and a permeable filter cloth layer, etc.; an application method of an ecological concealed pipe drainage structure for improving saline-alkali land includes S1: land leveling; S2: determining layout parameters and plans according to the soil physical and chemical properties, basic data and specifications of the saline-alkali land; S3: processing and manufacturing the ecological concealed pipe drainage body; S4: installation; S5: planting crops on the saline-alkali land; S6: soil salt leaching; S7: drainage and salt removal; S8: anti-blocking and maintenance of the ecological concealed pipe drainage body and improvement of the air permeability of the saline-alkali land, etc. The present invention is green and environmentally friendly, has good drainage and desalination effects, is not easily blocked, can improve the air permeability of the saline-alkali land, and meets the technical requirements of the green development of the saline-alkali land.

This item is a leveling claw (component) used when leveling ground such as sand. This item has male threads on the outer peripheral surface of approximately half of the right side of the front view and approximately half of the left side of the back view. The item with the male threads is shown in the reference front view and reference back view showing the state with the male threads. This item is generally sold with multiple nuts pre-attached to the male threads of the mounting part, as shown in Reference Figure 1 showing the usage state. This item is used by attaching a predetermined number of items to the mounting part of a leveling work device via the mounting part, and then moving the working part to scratch the ground, as shown in Reference Figure 2 showing the usage state.

The invention provides an ecological restoration method for backfilling dehydrated slime into a bauxite goaf, which comprises the following steps of: backfilling filtered and dehydrated slime into the goaf, and covering soil; and then land leveling, slope treatment, soil improvement, irrigation and drainage engineering, field road construction, farmland protection, ecological environment protection, science and technology supporting service and other processes are carried out. Organic fertilizers (such as pig manure and chicken manure) and a biological silicon fertilizer are added on the basis of an inorganic fertilizer, so that the physical and chemical properties of soil are more effectively improved, and meanwhile, the risk of heavy metals in the soil is reduced; by implementing a terraced field slope descending measure in the goaf, the land is smoother, water and soil loss is effectively prevented, the soil fertility is kept, the repaired land can be returned to farmers for planting common crops such as corn, peanuts and cassava, the income of the farmers can be increased, and local agricultural development can be promoted.

The application relates to the technical field of agricultural machinery, in particular to a land leveler for fine and deep application of organic fertilizer, which comprises a device whole, a push leveler for land leveling is arranged on the device whole, a ditching shovel and a fertilizer pipe are arranged below the device whole, an arc bending block is arranged on one side of the fertilizer pipe close to the ditching shovel, a baffle is fixedly arranged in the fertilizer pipe, a hydraulic rod is fixedly arranged in the fertilizer pipe, a fixed sliding block is fixedly connected to the power output end of the hydraulic rod, a limiting pipe is rotatably connected to one side of the fixed sliding block, a torsional spring is arranged between the limiting pipe and the fixed sliding block, and a sliding rod is slidably connected to the limiting pipe. In the process of use, the arc-shaped scraper can scrape off the organic fertilizer adhered to the arc bending block in the fertilizer pipe, so that the fertilizer pipe is prevented from being blocked by the accumulated organic fertilizer.

1. The name of the design product: the body of excavator. 2. The use of the design product: used as a whole for earthwork excavation, loading, land leveling, crushing, demolition and other operations, and used locally for the body of excavator. 3. The design points of the design product: the body of excavator. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the design application is a partial appearance, the part requested for protection is the part without red coating, the above-mentioned colors are only for determining the protected part, and the design does not request protection of colors.

The application discloses a method and system for automatic land leveling control of excavators based on visual laser fusion, and relates to the field of automatic control of engineering machinery. The method obtains three-dimensional terrain point clouds of a working area through a binocular vision acquisition module, combines reference height signals of a laser leveling instrument and body posture data of an IMU, and constructs a global dynamic terrain model through a multi-sensor fusion algorithm. According to preset land leveling parameters, a target path for shovel operation is generated, joint control amounts of a swing arm, a dipper arm and a shovel are calculated in combination with kinematic inverse solution of the excavator, and finally, adaptive land leveling operation of the shovel is realized through a hydraulic actuator. The application solves the problems of traditional manual land leveling, such as dependence on experience, low precision and poor efficiency, significantly improves land leveling operation precision and efficiency, reduces labor intensity of operators, and is suitable for road subgrade leveling, building site excavation and leveling, farmland reconstruction and other scenes.

The utility model provides a land leveling device for land reclamation, which relates to the technical field of land leveling, and comprises a soil wetting mechanism, a leveling mechanism is fixedly inserted on the inner surface wall of the soil wetting mechanism, the bottom of the soil wetting mechanism is fixedly connected with a rolling leveling mechanism, the soil wetting mechanism comprises a frame main body, and the bottom of the frame main body is fixedly connected with wheels. According to the utility model, under the cooperation of the soil wetting mechanism, the top of the frame main body is provided with the water tank, the first connecting pipe is connected with the water outlet hole formed in one side of the outer wall of the water tank, one side of the outer wall of the first connecting pipe is connected with the water pump, water in the water tank is pumped out through the water pump, and then the water is conveyed into the spraying assembly through the second connecting pipe; and then the soil is sprayed out from the spray head at the bottom and sprayed on hardened soil, so that the soil viscosity is reduced, the fluidity of the soil is improved, the action efficiency is improved, a proper amount of water is beneficial to improving the physical properties of the soil, and the dustproof and moisturizing effects can be achieved.

The invention belongs to the field of millet planting methods, and particularly relates to a drought-resistant thinning-free precision sowing method and equipment for dry farming millet, and the sowing method comprises the following steps: carrying out land leveling operation on field soil after rotary tillage; the soil attaching side of the mulching film to be laid is coated with glue liquid along rows, a set of bonding rings arranged at intervals are formed on the soil attaching side through the glue liquid, and bonding points arranged at intervals are included in the bonding rings; the grain seeds are bonded through the bonding points; the method comprises the following steps: laying a mulching film, covering the mulching film with soil on two sides of the mulching film to press the mulching film and form a retaining wall, hammering and pressing the parts, provided with bonding rings, of the mulching film, and puncturing along the bonding rings and the middle parts of the bonding rings, so that grooves are formed in the bonding rings, water inlet holes are formed in the middle parts of the grooves, the bonding rings arranged along the row form a planting belt, and seeding is completed. According to the method, smooth seedling emergence of the millet can be guaranteed on the premise of not increasing the seeding rate, precision seeding is achieved, thinning work is omitted, and good drought resistance is achieved.

The invention relates to the technical field of tamping equipment, and discloses land leveling and tamping equipment which comprises a flat plate, an engine is fixedly mounted at the top end of the flat plate, a fixing box is fixedly mounted at the top end of the flat plate, and a rotating shaft is rotatably connected to the middle of the fixing box; transmission wheels are fixedly mounted at the front end of the rotating shaft and the output end of the engine, and transmission belts are in transmission connection with the surfaces of the transmission wheels. Fan blades are arranged on a rotating shaft, air inlet boxes are installed on the two sides of the device, when the device conducts tamping operation, rotation of the rotating shaft can drive the fan blades to rotate, suction force is generated in a fixing box, and external air is mixed with dust to enter the air inlet boxes through the combined action of a fixing pipe and a connecting pipe; therefore, dust generated in the working process is sucked into the air inlet box, the situation that dust is too much in the working environment is avoided, the situation that the dust is sucked by workers is avoided, and the health of the workers is guaranteed.

The invention discloses a land leveling device for citrus planting, which comprises a walking unit, the walking unit comprises a vehicle body, a camera is mounted on the top surface of the vehicle body, an adjusting rotation source is fixedly connected to the advancing side of the vehicle body, and the land leveling device further comprises a land preparation unit arranged on the advancing side of the walking unit. The mounting cavity plate is unfolded and closed for multiple times, the soil shoveling plate on the outer side of the mounting cavity plate covers the surface of the interplanting plant with soil not in the tree disc for multiple times, the covering uniformity and sufficiency of the interplanting plant are improved, and certainly, after the vehicle body treats one side of the citrus tree disc in the process, the vehicle body is operated to move to the other side of the citrus tree disc, and then the interplanting plant is planted. The vehicle body repeats the above process through the mounting cavity plate to treat the other side of the citrus tree disc, mowing and soil preparation of the citrus tree disc are achieved, harvesting, soil preparation and covering of multiple layers of interplanted plants are achieved at the position of the citrus tree disc through alternate treatment on the two sides of a citrus, and the soil preparation, soil burying and covering effect is improved.

The scarifier of the bulldozer for land leveling engineering comprises a bulldozing mechanism, and a scarifier mechanism is installed on the rear side of the bulldozing mechanism; the scarifier mechanism comprises a bracket connecting mechanism, three groups of multi-section linear driving mechanisms and three groups of cutter tooth angle driving mechanisms; the support connecting mechanism comprises a rotating stick, and the three sets of multi-section linear driving mechanisms are circularly and symmetrically installed on the outer wall of the rotating stick. And three groups of soil loosening cutter tooth mechanisms, three cutter tooth angle arc sliding mechanisms and three cutter tooth angle driving mechanisms are mounted on the three groups of multi-section linear driving mechanisms. According to the scarifier, the multi-section linear driving mechanism is adopted, the angle and the cut-in depth of the cutter teeth can be flexibly adjusted through control of the servo motor and the air cylinder, and when the adjacent cutter teeth of the cutter tooth set execute the scarification task, a coordinated cut-in angle is formed according to the contraction degree of the double-rod air cylinder, so that the scarification efficiency is improved. The coordination working mode can ensure that the cutter teeth work at the best angle when cutting into the soil, and the soil loosening efficiency is improved.

The utility model discloses a rotary tillage soil moisture leveling device for a soil moisture leveling plough, and belongs to the field of agricultural machinery. A plough frame and left and right plough shares mounted on the plough frame are arranged at the front end of the rotary tillage soil moisture leveling device, a double-end transmission gearbox is arranged above the plough frame, and the front side of the double-end transmission gearbox is in transmission connection with a power output device (such as a tractor). A rotary tillage knife rest, an upper soil retaining plate, a gear box, a knife shaft bearing seat assembly, a knife shaft, a soil shifting knife, a soil breaking knife, a rear soil retaining guide plate and the like are arranged at the rear end of the rotary tillage soil moisture leveling device. The gearbox is in transmission connection with the double-end transmission gearbox through a transmission device; the tool rest is connected with the plow frame through a special installation assembly and is provided with a suspension structure adapting to topographic relief. And the tail part is provided with an angle-adjustable soil plastering plate and an adjusting assembly. The machine can effectively adapt to different terrains, achieves efficient soil treatment and accurate soil moisture leveling, and is suitable for agricultural land leveling and soil moisture content treatment operation.

The invention belongs to the technical field of building construction, and discloses convenient and efficient building construction bulldozing equipment which comprises an adjusting mechanism, the adjusting mechanism comprises a first motor, a gear is rotationally connected to the first motor, and racks are engaged with the upper side and the lower side of the gear; through cooperation of the movable bulldozing plate, the fixed bulldozing plate and other structures, the size of the bulldozing plate can be adjusted conveniently, when large-area bulldozing is needed, the first motor can be started to enable the movable bulldozing plate to be unfolded, the single bulldozing amount is increased, the land leveling speed is remarkably increased, and the overall construction efficiency is improved; according to the bulldozing device, the movable bulldozing plate can be folded or unfolded at the edge or corner of a field according to needs, so that the bulldozing operation can be better attached to the boundary of the field, and the movable bulldozing plate can be folded when bulldozing is conducted in a narrow space, so that the adaptability of the bulldozing device is improved.