70 results about "Mechanical weed control" patented technology

The invention relates to the technical field of agricultural machinery, in particular to an orchard intelligent all-dimensional mechanical weeding machine which comprises a frame, a controller is fixedly connected to the top of the frame, a camera is fixedly connected to one side of the frame, the controller is used for receiving image information collected by the camera, and an energy supply assembly for supplying energy to the mechanical weeding machine is arranged at the top of the frame. A driving assembly used for driving the mechanical weeding machine to move and a reversing assembly used for controlling the mechanical weeding machine to reverse are arranged at the bottom of the frame, and a monitoring assembly used for monitoring the current environment condition and an adjusting assembly used for adjusting the weeding height are arranged on one side of the frame; and a control system for controlling the mechanical weeding machine to operate is arranged in the controller. Orchard images are collected in real time through the camera and the recognition module, crops and weeds are accurately distinguished on the basis of the database established through data over the years, the weeding accuracy is improved, and meanwhile the possibility that the crops are accidentally damaged by the mechanical weeding machine is greatly reduced.

The present invention discloses a vibration mechanical weeding device based on machine vision, which relates to the field of agricultural machinery, and is specifically applied to intelligent field weeding of various crops in the agricultural field. The device consists of a three-point suspension, a body, a visual part, and an actuator. The device can be applied to weeding operations of various crops in different growth cycles. At the same time, the present invention adopts the traditional three-point suspension and hanging method of agricultural machinery, can be carried on various field walking platforms, and can adapt to various complex field environments. The device applies machine vision technology, deploys a visual recognition system on the device, and controls the terminal actuator to avoid seedlings and weed after identifying and locating seedlings and grass through a camera. At the same time, the device innovatively adopts a method of using a vibrating tooth comb to break the soil and bring the grass to the soil surface, which minimizes the damage to the ridge platform, and at the same time has the effect of loosening the soil, reducing the amount of chemical herbicides, protecting the ecological environment, improving the weeding efficiency, and reducing the weeding seedling injury rate.

The invention discloses an inter-plant mechanical weeding system and method for transplanted crops, and the system comprises an imaging system which comprises an imaging darkroom; the illumination system is located in the imaging darkroom and comprises a plurality of LED lamps; the weeding knife system is located on the rear portion of the imaging darkroom and comprises a servo electric cylinder, a rolling sliding rail and a weeding blade, and the servo electric cylinder drives the weeding blade to horizontally move on the rolling sliding rail when executing actions so as to achieve avoiding of crop plants and inter-plant weeding; the GNSS positioning system is used for acquiring the position information of the current device in real time; the crawler-type chassis system is used for enabling the system to advance according to a planned route; the power distribution control box comprises a power supply, a single-chip microcomputer and a microcomputer which are arranged in the power distribution control box. According to the system and the method, crops can be accurately positioned, the weeding efficiency is improved, the system and the method can be popularized to crop transplanting, and sustainable agriculture can be realized.

The invention discloses a machine-pesticide synergistic weeding device which comprises a mechanical weeding mechanism and a chemical weeding mechanism. The mechanical weeding mechanism comprises a mounting component, a friction wound assembly and a rotary driving mechanism, and the mounting component is connected with the walking device; the friction wound assembly comprises an outer friction cylinder body and an inner friction cylinder body, the outer friction cylinder body is fixedly connected to the mounting component, and a plurality of avoiding holes which are circumferentially arranged around the axis of the outer friction cylinder body are formed in the outer friction cylinder body; the inner friction cylinder body is arranged in the outer friction cylinder body, and the inner friction cylinder body is connected with the driving end of the rotary driving mechanism; the chemical weeding mechanism comprises a pesticide box, a pesticide conveying pipe and a plurality of pesticide spraying heads, and the pesticide spraying heads are located at the top between the outer friction cylinder and the inner friction cylinder. According to the machine-pesticide synergistic weeding device, machine-pesticide synergistic weeding is carried out, weeds are mechanically treated firstly, wounds are generated on the surfaces of the weeds, then herbicide is sprayed, and accurate, rapid and pollution-free weeding can be achieved.

The invention discloses an agricultural mechanical weeding device, and relates to the technical field of forestry, the agricultural mechanical weeding device comprises a weeder, the top of the weeder is fixedly connected with a motor, the top of the weeder is hinged with a push handle, two sides of the weeder are provided with rollers through a connecting shaft, and the bottom of the weeder is provided with a weeding adaptation mechanism. Therefore, when the rotary blade is used for weeding, the rotary blade can be automatically jacked up along with pits and uneven protruding stones on a road surface, and the situation that when the rotary blade cuts and crushes weeds, the sharp end of the rotary blade hits the stones and soil, and consequently the rotary blade cracks and splashes to hurt people can be effectively prevented; the situation that the lawn is in a state similar to alopecia areata due to the fact that the soil is damaged by the rotary blade is avoided, workers are protected, the soil in forestry work is also protected, and the wider adaptability of the weeder to various uneven road surfaces is improved.

The invention relates to a small paddy field intelligent weeding machine and a weeding method thereof. The small paddy field intelligent weeding machine comprises a satellite navigation system, a master control box, a three-wheel type chassis, a rice row guide device, a rice seedling robustness evaluation device, a weeding and detection integrated plant protection device and a pressing and swinging device. The satellite navigation system and the main control box are mounted above the three-wheel type chassis, and the rice row guide device for detecting the transverse position of rice seedlings, the rice seedling robustness evaluation device, the removal and detection integrated plant protection device and the pressing and swinging device are sequentially mounted below the three-wheel type chassis from front to back; the removing and detecting integrated plant protection device inclines from the front upper part to the rear lower part, and the pressing and swinging device presses the inclined part above the inclined part or further presses the inclined part downwards, so that the removing and detecting integrated plant protection device enters a seedling protection mode or a weeding mode; the three-wheel type chassis adopts a front wheel driving mode to realize steering or straight movement through differential control of a pair of driving wheels. According to the invention, high-quality mechanical weed control in the rice field is realized, and the seedling damage rate is reduced.

The invention discloses a corn and soybean strip-shaped composite planting method, and belongs to the technical field of agricultural planting. Comprising the following steps: step 1, preparing land: crushing the soil by using mechanical equipment, and uniformly releasing a nitrogen-phosphorus fertilizer into the dry land; 2, ridging and film mulching are conducted, after land preparation is completed, ridging is conducted, the ridge width is 160 cm, the ditch width is 60 cm, and the ridge height is 20 cm; a biodegradable weeding mulching film is selected as the mulching film; step 3, sowing management: corn sowing operation is carried out in late May, soybean sowing operation is carried out in mid-late June, and a planting mode is corn and soybean intercropping planting; the corn is planted on the ridge edge, and the soybean is planted on the ridge; 4, harvesting management, wherein harvesting is conducted after the corn and the soybeans are mature. The mulching film is covered with a biodegradable weeding mulching film; in the composite planting process, a continuous weeding barrier can be formed, weed growth is remarkably inhibited, and the defects of mechanical weeding and chemical weeding in the prior art can be overcome.

This hydraulically driven, intelligent paddy field weeding and cultivation unit is an agricultural machine. The unit is equipped with a pressure-fluid source system consisting of a herbicide liquid tank, a pump assembly, a towerless liquid supply unit, a hydraulic sensor, a safety valve, and a hydraulic solenoid valve; a mechanical weeding and cultivation system consisting of flexible hoses, fixed pipe clamps, rigid pipes, a cylindrical shaft, a sleeve, fixed blades, moving blades, a barrel-type nozzle, and spiral blades; a positioning and adjustment mechanism consisting of a micro-screw linear module, a Π-shaped frame, a transverse track, a slider, a motor, cylindrical gears, a base plate, and a rack; a weed identification and positioning system consisting of a weed identification sensor; and an automatic control box assembly. This unit achieves an intelligent combination of hydraulically driven shearing and pulverizing mechanical weeding and chemical weeding through liquid flow delivery. It features a novel, unique, and reasonable structure, excellent weed control effect, low pesticide residue on crops, and minimal environmental pollution.

The application relates to an intelligent weeding device based on visual navigation and a weeding method, and relates to the technical field of intelligent weeding devices. In order to solve the problems in the prior art that the transverse movement of a weeding machine in a field and the increase and decrease of the number of weeding components need to be manually adjusted during use, the working process is easy to cause damage to the field ridge, the use convenience of the weeding machine is reduced, mechanical weeding is mostly inter-row weeding, the effect on inter-plant weeds is not ideal, weeds cannot be intelligently identified, the working path of the weeding machine cannot be planned for efficient weeding and the like, the application comprises a connecting frame, a translation mechanism, a turnover mechanism and a visual navigation mechanism; one side of the connecting frame is movably connected with a weeding mechanism, and the other side is connected with a supporting wheel; the weeding mechanism comprises a rack, weeding shovels and weeding fingers; the rack is movably connected to the connecting frame; the rear side of the rack is provided with a plurality of weeding shovels and a plurality of weeding fingers; and the upper end of the rack is provided with the visual navigation mechanism. The application is used for farmland weeding.

The invention discloses an intelligent weeding robot for dry soil crops, and relates to the technical field of agricultural intelligent equipment. According to the robot, a solution integrating edge intelligent vision and self-adaptive control is disclosed for the requirements for accuracy and adaptability of weeding operation in a dry soil complex environment. The robot comprises a moving trolley, a weeding device, a weed recognition control module and a power battery, and the control module automatically controls the moving trolley to walk forwards according to a planned path and position information provided by a satellite navigation module and receives dry soil crop and weed photos shot by a camera in real time. The main control unit intelligently recognizes coordinate information of weeds and crops relative to the moving trolley and timely controls the laser weeding device or the mechanical weeding device to efficiently remove the weeds. The problems that a traditional weeding mode is low in efficiency and high in seedling damage rate are solved, and intelligent, environment-friendly and efficient weeding is achieved.

The agricultural mechanical weeding machine relates to the technical field of agricultural machinery and comprises a machine body, two rear wheels are rotatably connected to the rear portions of the front side and the rear side of the machine body, a front wheel set is fixedly connected to the left portion of the bottom of the machine body, and a cutting mechanism is fixedly connected to the bottom of the inner wall of the machine body. The right side of the machine body is fixedly connected with a handle, and the right side of the machine body is fixedly connected with a collecting mechanism. According to the agricultural mechanical weeding machine, by starting the second motor, the cutting blades can be driven to ascend and descend, meanwhile, the second gear and the first gear are meshed or separated, by starting the first motor, under the condition that the first gear and the second gear are meshed, the two cutting blades can be driven to rotate to cut weeds, and the weeding efficiency is improved. And under the condition that the first gear and the second gear are separated, the cutting blade cannot rotate at the moment, crops are better protected, and a better cutting effect is achieved.

The present invention belongs to the technical field of preparation of fluorescent tracers, and particularly relates to an amino acid derivative-rhodamine B conjugate, a preparation method thereof, and an application as a fluorescent tracer. The structural formula of the amino acid derivative-rhodamine B conjugate is as follows:. After the amino acid derivative-rhodamine B conjugate obtained in the present invention is directionally applied to crop plants as a fluorescent tracer, the crop plants can be fluorescently labeled, assisting the machine vision system to distinguish crops from weeds, and performing precise spraying or mechanical weeding according to the spatial distribution of weeds, realizing the automation and intelligence of weed control and reducing the usage amount of herbicides.

The utility model relates to a paddy field weeding machine combined with mechanical and pesticide liquid force driving, which belongs to agricultural machinery, and is characterized in that: a weeding liquid tank, a liquid pump assembly, a towerless liquid supply device, a hydraulic electromagnetic valve and an automatic control box assembly are sequentially installed on the upper part of a walking frame, a weed recognizer is arranged on the upper end of the hydraulic electromagnetic valve, the two ends of a liquid pipe A are connected with the liquid outlet of the weeding liquid tank and the liquid inlet of the liquid pump assembly respectively, the two ends of a liquid pipe B are connected with the liquid outlet of the liquid pump assembly and the liquid inlet of the towerless liquid supply device respectively, the two ends of a liquid pipe C are connected with the liquid outlet of the towerless liquid supply device and the liquid inlet of the hydraulic electromagnetic valve respectively, and a liquid-driven weeding unit is installed on the rear end of the walking frame; the machine realizes intelligent combination of liquid force driving shearing and smashing mechanical weeding and chemical weeding of liquid flow transportation, has novel, unique and reasonable structure, and has good weeding and weeding effect, less crop medicine residue and light environmental pollution.

The invention discloses an automatic seedling avoidance system and a seedling avoidance method for mechanical weeding between paddy fields, wherein the automatic seedling avoidance system comprises a data acquisition module, a trajectory planning module and a motion control module; the data acquisition module is used to acquire the actual position of each seedling and the longitudinal moving speed of a traction platform; the trajectory planning module is used to measure the motion and working data of a disc-type weeding tool; and the motion control module is used to send corresponding control instructions to the traction platform of the disc-type weeding tool. The automatic seedling avoidance system and a seedling avoidance method for mechanical weeding between paddy fields utilize the data acquisition module to acquire the seedling position information acquired by the visual module, and then the trajectory planning module plans in advance the weeding operation trajectory of the disc-type weeding tool relative to the geodetic coordinate system, thereby realizing precise control of the disc-type weeding tool, facilitating the weeding operation between facilities, and improving the weeding efficiency between facilities.

The invention provides a steam flame weeding machine and a using method thereof.The steam flame weeding machine comprises a rack, a mechanical weeding device, a steam weeding device, a remote control automatic driving device and a flame weeding device.Walking wheels are connected to the bottom of the rack, a power device is installed on the rack, the mechanical weeding device is installed at the bottom of the rack, and the steam weeding device is installed at the bottom of the rack. And the steam weeding device and the flame weeding device are arranged in front of the rack. Weeding is carried out in a mechanical, flame and steam physical mode, and environment pollution caused by chemical herbicides is avoided. The mechanical mode, the flame mode and the steam mode are combined for use, and different scene requirements are met. Due to the remote control design, the operation safety and convenience are improved, and an efficient, safe and environment-friendly solution is provided for garden maintenance and agricultural production.

The utility model belongs to agricultural machinery, and the rigid pipe and the sleeve are coaxial, the fixed blade is fixed on the outside of the sleeve, the cylindrical shaft is radially and axially positioned in the coaxial cavity of the rigid pipe and the sleeve and is peripherally rotatable, the lower end of the cylindrical shaft is located outside the lower end of the sleeve, the bucket-shaped nozzle is fixed on the lower end of the cylindrical shaft, the moving blade and the spiral blade are fixed on the outer wall of the bucket-shaped nozzle from top to bottom, the moving blade is located below the fixed blade and is in shearing cooperation with each other, the tangential through hole is opened on the tangent direction of the bottom end side wall of the bucket-shaped nozzle, and the tangential through hole is inclined upward from inside to outside as a whole.

The invention provides a farmland comprehensive planting method based on crop diversity and an ecological buffer zone, which comprises the following steps: firstly, constructing a crop strip relay intercropping and multi-variety mixed sowing system, carrying out intercropping or relay intercropping and inter-variety mixed sowing on different crops in a farmland, and then, constructing a layered vegetation and filter material coupled farmland ecological buffer zone, according to the method, ecological buffer zones of arbor, shrub and herbaceous composite vegetation are constructed on the boundary of a farmland or the two sides of a ditch, then ecological prevention and control measures of double-lamp double-wave-band trap lamps and natural enemy release are deployed, and by combining sex pheromone trapping, measures of release of natural enemy including trichogramma, biological preparation and botanical pesticide spraying and frequency vibration type insecticidal lamps, the natural enemy release and the natural enemy release are combined, so that the ecological buffer zones of the arbor, the shrub and the herbaceous composite vegetation are obtained. Finally, filter material recycling and farmland soil improvement measures are carried out, organic fertilizer and microbial agents are combined to be applied to soil, the use of chemical herbicides is reduced in a mechanical weeding mode, and in a word, the method has the advantages of being environmentally friendly, increasing and stabilizing the yield and not damaging the ecological environment.

The invention belongs to the technical field of fluorescent tracer preparation, and particularly relates to an amino acid derivative-rhodamine B conjugate, a preparation method thereof and application of the conjugate as a fluorescent tracer. The structural formula of the amino acid derivative-rhodamine B conjugate is as follows: # imgabs0 #. After the amino acid derivative-rhodamine B conjugate obtained by the invention is directionally applied to crop plants as a fluorescent tracer, the crop plants can be labeled by fluorescence, a machine vision system is assisted to distinguish crops and weeds, precise pesticide spraying or mechanical weeding is performed according to spatial distribution of the weeds, automatic and intelligent weed control is realized, and the labor intensity is reduced. The usage amount of herbicide is reduced.

The invention discloses an intelligent laser weeding robot which comprises a rack, a plurality of laser weeding modules, a mechanical weeding module and an intelligent control module. The laser weeding module comprises a frame-shaped seat body, and a plurality of laser modules and lighting devices are dispersedly mounted on the frame-shaped seat body; the laser module comprises a laser generator, a digital galvanometer and a controller, and the mechanical weeding module comprises a plurality of weeding components; the laser module and the weeding component are staggered in the left-right direction. The four corners of the frame-shaped seat body are connected with the walking rack through a damping sliding pipe mechanism, and a laser focus self-adaptive regulation and control mechanism and a binocular depth camera are further arranged; and the laser focus self-adaptive regulation and control mechanism comprises a field lens and a driving mechanism for driving the field lens to move up and down. According to the invention, the shock-absorbing slide tube mechanism effectively buffers the impact in operation, so that the influence of the terrain on the operation of the laser module is small; and the binocular depth camera is matched with the laser focus self-adaptive regulation and control mechanism, so that three-dimensional coordinates of weeds can be quickly obtained, the focal length can be adjusted, and stable operation and weeding precision of the laser module are guaranteed.

The invention discloses an inter-row mechanical and inter-plant laser combined weeding device, which relates to the technical field of agricultural intelligent equipment and specifically comprises a field walking chassis, a mechanical weeding system, a laser weeding system and a weed collecting system. The mechanical weeding system can accurately remove weeds between rows, and by means of a drawing mode and cooperation with negative pressure adsorption of the weed collection system, weed collection is achieved, and weed residue breeding is avoided; according to the laser weeding system, the types and positions of weeds are positioned through visual recognition, laser energy is precisely regulated and controlled in a non-contact scanning mode, weeds of different types and maturity are selectively ablated, and economic crops are prevented from being damaged while inter-plant weed inactivation is achieved; by means of mechanical-laser synergistic weeding operation, the problems that traditional inter-plant mechanical weeding operation is poor in environment adaptability, soil and crops are prone to damage, single laser weeding is large in energy consumption, efficiency is difficult to improve and the like are effectively solved, and cost reduction and efficiency improvement of complex farmland weeding operation are expected to be achieved.

The invention discloses an intelligent weeding robot for vegetable planting, which comprises a skeleton structure, a sliding table module mounted on the inner side of the skeleton structure, an electric push rod mounted through the sliding table module, a manipulator mounted at the telescopic end of the electric push rod, and an equipment supporting plate mounted at the top of the skeleton structure. A crushing device is installed at the position, close to the bottom, of the inner side of the framework structure, weeds grabbed by the mechanical arm are fed into the crushing device, driving motors capable of independently running are installed at the four corners of the bottom of the framework structure, driving wheels are installed at the output ends of the driving motors, and a control panel is installed at the front end of the framework structure; according to the equipment, independent moving devices can be arranged in three-dimensional directions to control the mechanical claws to move, the problem that the seedling damage rate is high due to irregular mechanical weeding can be solved, and intelligent and accurate weed removal is achieved.

The invention relates to the technical field of image recognition, and discloses an intelligent recognition weed prevention and control system. The system comprehensively obtains images and environmental parameters of field crops and weeds through a data acquisition unit by using an unmanned aerial vehicle and a ground camera in combination with an environmental sensor, an image analysis unit carries out denoising and enhancement processing on the acquired images, and precise weed recognition and positioning are realized through a deep learning convolutional neural network. The weed recognition and classification unit classifies the types and growth states of weeds according to analysis results, the prevention and control strategy making unit automatically generates a targeted prevention and control scheme according to the growth characteristics and environmental conditions of the weeds and sends out control instructions, and the strategy execution unit drives a pesticide spraying and mechanical weeding system according to the instructions. Precise operation is achieved, the monitoring unit tracks the system state in real time in the whole execution process, and therefore the purposes of reducing weeding labor cost and labor intensity and optimizing agricultural resource allocation are achieved.

The present application relates to the technical field of agricultural weeding equipment, and aims to provide a mechanical-laser collaborative weeding vehicle, which has the characteristics of precise weeding, no damage to crops and no chemical pollution. The technical scheme is a mechanical-laser collaborative weeding vehicle, characterized in that the weeding vehicle comprises a vehicle body, a laser weeding unit, a mechanical weeding unit, a navigation lighting unit and a controller.

The invention discloses a machinery and pesticide weeding mixed operation single body and belongs to agricultural machinery. A herbicide liquid tank, a tower-free liquid supply device, an automatic controller assembly and an electromagnetic valve are sequentially and fixedly mounted on an operating frame, a pesticide liquid pump is fixedly mounted on the automatic controller assembly, an actuator assembly is mounted on the lower side portion of the middle of the operating frame through a delta parallel mechanical arm, and a weed recognition sensor is mounted on the lower portion of the inner side of the operating frame through a support. The actuator assembly is mainly composed of a liquid conveying pipe, a hollow shaft stepping motor, a coupler, an upper planet belt wheel, a lower planet belt wheel, an n-shaped rotating shaft base, a planet wheel shaft, cow tongue texture imitating arc trapezoid outer rubbing plates A and B, stalk cutting movable blades A and B, a root cutting fixed blade, a stalk cutting fixed blade, a root cutting movable blade, a cow upper jaw texture imitating cylinder type center rubbing column, a fixing base, a nozzle, an upper sun belt wheel, a lower sun belt wheel and the like. According to the single body, mechanical weeding and pesticide weeding are combined into a whole through the bionic technology, the weeding effect is good, pesticide liquid is saved, pesticide residues in crops are reduced, and pollution to the environment is reduced.

The invention relates to the technical field of agricultural weeding equipment, and provides a crop visual row control device and a control method, and the device comprises a visual sensor which is arranged in front of a machine tool and is used for identifying crop rows; the strain sensors are arranged on the spring teeth of the intertillage single bodies and used for monitoring deformation; the attitude sensors are respectively arranged on the vehicle body and / or the machine tool and are used for monitoring relative attitudes; and the control unit is in communication connection with the visual sensor, the plurality of strain sensors and the attitude sensor and is used for receiving and processing sensor data. The device breaks through the limitation that a traditional mechanical weeding device depends on a passive structure or operator experience. The strain and attitude data are analyzed, judged and decided in real time through a fusion control algorithm, the lifting action of the electric push rod can be actively triggered under potential risks, passive damage is changed into active avoidance, the damage rate of components such as an intertillage shovel and spring teeth is remarkably reduced, the reliability of equipment is improved, and the service life of the equipment is prolonged.

The present application relates to the technical field of agricultural machinery, in particular to a mechanical weeding machine capable of lateral offset adjustment and a use method thereof. The mechanical weeding machine capable of lateral offset adjustment comprises a lateral offset adjustment device carried on a moving device; a weeding frame connected to the lateral offset adjustment device; an inter-row weeding device and an inter-plant weeding device installed on the weeding frame; an image acquisition assembly installed on the weeding frame, the image acquisition assembly being used to acquire relative position information of a working assembly and crop rows in a region to be weeded; and a control system electrically connected to the image acquisition assembly and used to control at least one of the lateral offset adjustment device, the inter-row weeding device and the inter-plant weeding device based on acquisition information of the image acquisition assembly. The mechanical weeding machine capable of lateral offset adjustment can simultaneously weed between and within crop rows, plays a role of loosening soil and weeding while protecting crops, and provides technical support for field weed management, reduction of pesticide use amount and development of green agriculture.

The utility model belongs to the technical field of agricultural mechanical equipment, and particularly relates to a seedling stage wormwood removing device which comprises a laser weeding assembly and a mechanical weeding assembly in order to solve the existing waste problem, the laser weeding assembly is located at the front end of a machine frame in the advancing direction, and the mechanical weeding assembly is located at the tail end of the machine frame in the advancing direction. The laser weeding assembly covers the inter-plant area of the planted plants, and the mechanical weeding assembly covers the inter-row area of the planted plants. According to the utility model, a weeding structure with front and back collaboration and partitioned operation is constructed, and the laser weeding assembly positioned at the front end can safely and accurately eliminate inter-plant weeds adjacent to seedlings by utilizing the non-contact and high-precision characteristics of the laser weeding assembly, so that the crop seedlings are effectively prevented from being damaged; then, the mechanical weeding assembly at the tail end conducts physical cleaning on the space between the rows, the problem that the density of weeds in the area is high is solved, and the device can complete precise removal of the weeds between the plants and large-area treatment of the weeds between the rows in sequence.

The invention discloses an active profiling mechanical weeding device between rice rows and plants, and the device comprises a profiling unit which comprises a boat-type floating plate and an adjusting mechanism in linkage with the boat-type floating plate, and is used for sensing the elevation change of a paddy field and a mud surface hardness signal; the inter-row weeding unit is arranged behind the profiling unit and comprises a frame body, a power source and inter-row weeding wheels driven by the power source, and the inter-row weeding wheels are rotationally installed on the frame body; the inter-plant weeding unit is arranged on the side of the inter-row weeding unit and comprises a chain and an adjustable elastic wire, one end of the adjustable elastic wire is connected with the frame body, and the other end of the adjustable elastic wire is connected with the chain. And a flexible chain is connected in series at the bending part of the buried end of the adjustable elastic wire. The device is high in profiling adaptability, efficient and thorough in synergistic weeding between rows and plants, and capable of self-adapting to the hardness of a mud surface to achieve balance of weeding and seedling protection; the structure is reasonable, adaptability is wide, mechanical weeding is green and environmentally friendly, cost can be reduced, and rice planting benefits are improved.

The invention relates to an active rotary-cut pressing and burying type paddy field inter-row weeding device. The weeding device comprises a suspension frame body, a grass pressing and seedling protecting part and a weeding part; the weeding component comprises a power transmission assembly, a rotary-cutting pressing-burying assembly and a soil-penetrating fixed cutter; when the weeding device moves forwards along with the machine tool, the weed pressing and seedling protecting component presses down weeds and then the weeds are attached to the ground, the rotary cutting pressing and burying assembly and the soil entering fixed cutter are matched to form supporting cutting, and after the weeds are cut and smashed, the cut weed segments are pressed and buried or picked out, so that re-growth of the weeds is avoided. According to the device, effective cutting and smashing of weeds can be achieved, meanwhile, the design of the rotary cutting, pressing and burying assembly is optimized, equal-sliding-cutting-angle cutting is kept when root systems, stems and leaves of weeds with different depths are cut after being pressed down, and the cutting quality is guaranteed; the supporting cutting mode can reduce the rotating speed of the rotary-cutting pressing and burying assembly, and soil hilling in the operation process is reduced; the high-efficiency mechanical weeding device for the paddy field can prevent weeds from growing again.

The utility model provides an automatic high -efficient environmental protection weeding device, including beam frame, three point suspension frame is installed on the beam frame, and the left and right sides of the front side of beam frame are symmetrically installed with land wheel frame, and land wheel is installed on land wheel frame, and a plurality of groups of weeding assembly are arranged on the rear side of beam frame, and all weeding assembly is arranged side by side interval, the utility model discloses above -mentioned, adopt modularization weeding assembly cooperation parallel four bar linkage profiling mechanism, ensure that the weeding rate of 95% or above is realized under 3cm standard depth, the combination of articulated beam frame and hydraulic steering system solves the tracking problem of non - straight crop line, controls seedling damage rate, the innovative three -section folding rear beam body design makes the transportation width reduce, and the work state conversion can be completed in a short time, the utility model discloses weeding device is suitable for large -scale farm continuous operation, and can satisfy the fine demand of small plot, and the whole course mechanical weeding prevents the use of pesticide, and the comprehensive operation and maintenance cost is reduced by 25% or more than traditional scheme, is the ideal equipment of modern green agriculture.