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81results about How to "Thorough weeding" patented technology

Intelligent comprehensive crop weeding device and method

ActiveCN104904700AReduced walking speed range requirementsEasy to controlWeed killersAgricultural scienceAgricultural engineering
The invention discloses an intelligent comprehensive crop weeding device and method. The intelligent comprehensive crop weeding device comprises a rack, a vision and intelligent electric control system, a depth and height adjusting device, a line space weeding device, a plant space weeding device and an intelligent pesticide spraying device. A three-point suspension mechanism located on the rack is connected with a walking machine. The vision and intelligent electric control system is used for acquiring relative position information of a plant and plant space weeding shovel and a nozzle and controlling the work states of the plant space weeding device and the intelligent pesticide spraying device. The depth and height adjusting device is used for adjusting the embedded depth of a line space weeding shovel and the plant space weeding shovel and the height of a chassis of the rack. The line space weeding device and the plant space weeding device are used for removing weeds of the line space of plants and weeds between the plants. The intelligent pesticide spraying device is used for removing the weeds which grow at the roots of the plants and can not be removed by the plant space weeding shovel. By the adoption of the intelligent comprehensive crop weeding device and method, the plants are protected against damage caused by the plant space weeding shovel, the problem that crop growth is impeded by the weeds growing at the roots of the plants is solved, and the weeds of the line space and the weeds between the plants of crops are comprehensively removed.
Owner:JIANGSU UNIV

Vegetable field herbicide composition and preparation method and use of water emulsion thereof

The invention discloses a vegetable field herbicide composition and a preparation method and use of a water emulsion thereof. The water emulsion consists of the following components based on weight measurement ratio: 20 to 30g / mL of butachlor, 8 to 12g / mL of pendimethalin, 3 to 6g / mL of solvent, 3 to 5g / mL of emulsifier, 6 to 7g / mL of dispersing agent, 0.1 to 0.5g / mL of defoaming agent, and the balance of water. The water emulsion is prepared by the following steps: firstly dissolving the butachlor and the pendimethalin into a solvent; then adding the emulsifier and the dispersing agent and mixing into a uniform and transparent oil phase; mixing the water and the defoaming agent to form a uniform water phase; and shearing the oil phase in a high-shear dispersing mixer, simultaneously adding the water phase into the oil phase, and mixing uniformly to obtain the water emulsion of the vegetable field herbicide composition. The water emulsion of the vegetable field herbicide composition has the advantages of advanced and environment-friendly formulation, scientific and rigorous formula, functions of synergism and insecticidal spectrum extension, specialty in controlling weeds in Cruciferae vegetable fields, low harm to human body, livestock and plants, and safety for environment.
Owner:PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI +1

Maintenance-free type multifunctional longitudinal axial flow threshing and separation roller

The invention discloses a maintenance-free type multifunctional longitudinal axial flow threshing and separation roller, comprising a winding-proof grass coil, a spiral feeding plate, a tapered barrel, amplitude discs, a roller shaft, bolts, nuts, spring washers, threshing tooth rod assembling strips, grass discharging plates, a round barrel, an elastic shaft coupler and a spline wheel disc, wherein the tapered roller is welded at the front part of the roller shaft; the plurality of amplitude discs are arranged and are uniformly welded in the middle of the roller shaft; fixed holes are uniformly formed in the amplitude discs; the round barrel is welded at the rear part of the roller shaft; the winding-proof grass coil is mounted on the tapered barrel; the spiral feeding plate is welded on the surface of the tapered barrel; the threshing tooth rod assembling strips are fixed on the fixed holes of the amplitude discs through fastening bolts, the nuts and the spring washers; a plurality of threshing tooth rod assembling strips are arranged, and a plurality of grass discharging plates are arranged; and the grass discharging plates are uniformly welded on the surface of the round barrel, the elastic shaft coupler is fixed at the rear end of the roller shaft, and the spline wheel disc is connected with the elastic shaft coupler through a fastening part. The maintenance-free type multifunctional longitudinal axial flow threshing and separation roller has the advantages of simple structure, good utilization effect, wide market prospect and the like.
Owner:HENAN RICHUANG GENERAL MACHINERY MFR

Field weeder and weeding method

The invention discloses a field weeder and a weeding method. The weeder comprises a power chassis, a lifting hydraulic cylinder, a parallelogram suspension bracket, a weeding frame, a transmission assembly and a weeding unit, wherein the power chassis is connected with the weeding frame through the parallelogram suspension bracket, is connected with the parallelogram suspension bracket through thelifting hydraulic cylinder, and is used for vertically adjusting the work depth of the weeder; the transmission assembly is used for transferring power of the power chassis to the weeding unit through chain transmission; 4-8 groups of weed collection pawls are distributed on the weed collection screw of the weeding unit, have the pawl angle being 50-70 degrees, and are used for drawing inter-rowweeds and feeding the weeds into a weed chopping channel; a screwed weed chopping cutter comprises 6-10 groups of cutter teeth which are of a screwed structure and are used for chopping weeds and delivering the weeds into a feed channel; a two-way variable pitch auger comprises two groups of variable pitch screwed augers which rotate in opposite directions, is used for pressurizing and deliveringthe chopped weeds to the outlet of the feed channel and discharging the chopped weeds, and is used for covering weeds among plants. The field weeder has complete weeding operation, high work efficiency and good weeding effect.
Owner:ZHEJIANG UNIV

Digging type weeding apparatus convenient for replacing hoe

The invention discloses digging type weeding apparatus convenient for replacing a hoe. The digging type weeding apparatus comprises a supporting plate; the upper surface of the supporting plate is fixedly connected with the lower surface of a driving device through a first fixing rod; the right end of the driving device is in lap joint with the left side face of the outer wall of a U-shaped plate;the left side and the right side of the inner wall of the U-shaped plate are respectively and fixedly connected with first pulleys; opposite ends of the two first pulleys are in lap joint with the left side face and the right side face of a first movable rod; the right side face of the outer wall of the U-shaped plate is fixedly connected with the left end of a telescopic device; and the right end of the telescopic device is fixedly connected with the left side face of a fixed plate. According to the digging type weeding apparatus convenient for replacing a hoe, a threaded column, a first threaded cap, a second threaded cap, a third movable rod, a connecting rod and a fixed block act jointly, so that rapid disassembly and rapid fixation between the fixed block and the connecting rod are realized, a situation that a farmer disassembles the fixed block through a series of tedious operations is avoided, and therefore convenience is brought to the farmer for replacing the fixed block.
Owner:安徽睿科智能制造技术研究院有限公司

Dispersible oil suspending agent containing glufosinate ammonium, fluoroglycofen and haloxyfop-r-methyl and preparation method of dispersible oil suspending agent

The invention discloses dispersible oil suspending agent containing glufosinate ammonium, fluoroglycofen and haloxyfop-r-methyl and a preparation method of the dispersible oil suspending agent, belonging to the technical field of pesticides. The dispersible oil suspending agent contains glufosinate ammonium, fluoroglycofen and haloxyfop-r-methyl in a mass ratio of (1%-50%) to (1%-20%) to (1%-20%). The preparation method comprises the following steps: firstly grinding an emulsifying agent, a dispersing agent, glufosinate ammonium, fluoroglycofen and haloxyfop-r-methyl into powder with particle sizes of less than 0.01cm, adding the powder into a reaction kettle, heating, and uniformly mixing and dispersing; adding a thickening agent under a high-speed shear condition, grinding the mixture into powder with a particle size of less than 5 microns, adding a stabilizer, vegetable oil and deionized water into the reaction kettle, and uniformly dispersing and mixing, so as to obtain the dispersible oil suspending agent containing glufosinate ammonium, fluoroglycofen and haloxyfop-r-methyl. The dispersible oil suspending agent containing glufosinate ammonium, fluoroglycofen and haloxyfop-r-methyl has a remarkable synergistic effect.
Owner:安徽圣丰生化有限公司

Control method for sporadic plaques of spartina alterniflora in coastal wetland

The invention discloses a control method for sporadic plaques of spartina alterniflora in a coastal wetland, and is control for the sporadic plaques of the spartina alterniflora which is newly formedor formed in the early secondary invasion stage after restoration in the coastal wetland. Hydrological change characteristics of the coastal wetland are combined, and an environmentally friendly chemical agent is timely sprayed, so that accurate, effective and rapid elimination of the sporadic plaques of invasive species of the spartina alterniflora is achieved to prevent and control further spreading, the environmental and biological risk which may be generated in a chemical process is reduced, and a necessary and clear technical support and theoretical basis are provided for remedial management of residual small plaques after early-stage intercepting and large-scale treatment of the plaques of the newly formed spartina alterniflora and rapid prevention and control of the sporadic plaquesof the spartina alterniflora in the secondary invasion. The control method only needs to be implemented once, and the weed killing rate can reach 95%; no large-scale machinery is needed to facilitateoperation, the precise prevention and control can be implemented point-to-point, and the cost is low; the environmental and biological risk which may be generated in a traditional chemical control process is avoided.
Owner:EAST CHINA NORMAL UNIV

Crawler-type hillside orchard inter-row and inter-plant mixed weeding robot

The invention relates to the technical field of agricultural robots, and discloses a crawler-type hillside orchard inter-row and inter-plant mixed weeding robot which comprises a walking mechanism, a recognition device, an inter-row weeding device, an inter-plant weeding device and a control module. The walking mechanism, the recognition device, the inter-row weeding device and the inter-plant weeding device are controlled by the control module to cooperatively act; weeds between rows and plants can be synchronously cleaned at the same time, and the weeding efficiency is greatly improved; the weeding device can be specifically adjusted according to actual conditions such as row spacing and weed height, and weeding is more thorough; the crawler-type walking mechanism is adopted, so that the robot can walk on multiple terrains of a mountainous region, the practicability is higher, and the application range is wider; the camera assembly and the laser radar assembly are adopted for visual observation and information collection, the weeding robot can walk automatically and complete obstacle avoidance, autonomous operation and indirect operation in cooperation with the control module, the automation degree is higher, and control is easier.
Owner:CHONGQING UNIV OF ARTS & SCI

An intelligent all-round weeding device and method for crops

ActiveCN104904700BReduced walking speed range requirementsEasy to controlWeed killersPlant rootsElectronic control system
The invention discloses an intelligent all-round weeding device and method for crops, comprising a frame, a visual and intelligent electric control system, a depth and height adjustment device, an inter-row weeding device, an inter-row weeding device, and an intelligent spraying device. The three-point suspension mechanism located on the frame is connected with the walking machinery; the vision and intelligent electronic control system is used to collect the relative position information of the plants and inter-plant weeding shovels and sprinklers, and control the working status of the inter-plant weeding device and the intelligent spraying device; The depth and height adjustment device is used to adjust the depth of the inter-row weeding shovel and the inter-row weeding shovel and the height of the frame chassis; the inter-row weeding device and the inter-row weeding device are used to remove weeds between the rows and between the plants; intelligent spraying The medicine device is used to remove the weeds at the roots of the plants that cannot be removed by the weeding shovel between the plants. The invention protects the plants from being damaged by the weeding shovel between the plants, solves the problem that the weeds at the root of the plants hinder the growth of the crops, and realizes the all-round removal of the weeds between the rows of the crops and between the plants.
Owner:JIANGSU UNIV
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