35 results about "Mechanical weed control" patented technology

The invention discloses a composite mechanical weeding machine, and belongs to the technical field of agricultural machinery. The composite mechanical weeding machine comprises a machine frame, a plurality of vertical rods are distributed in front of the machine frame, a movable frame is hinged to the lower parts of the vertical rods, a connecting shaft is rotatably connected to the lower part ofthe movable frame, and a plurality of first soil loosening plates are distributed on the connecting shaft. A reset tension spring connected with the machine frame is connected at the upward end of themovable frame, first connecting rods which correspond to the vertical rods one to one and can swing front and back are connected to the machine frame behind the vertical rods, weeding shovels are connected to the first connecting rods, and at least one group of first weeding assemblies are arranged on the lower sides of the weeding shovels. The first weeding assemblies comprise a plurality of first weeding teeth arranged in the same row, second connecting rods in one-to-one correspondence with the first connecting rods are connected to the machine frame behind the first connecting rods, weedpressing shovels are connected to the lower parts of the second connecting rods, at least one group of first weed pressing assemblies are distributed on the lower sides of the weed pressing shovels, and the first weed pressing assemblies comprise a plurality of first weed pressing teeth arranged in the same row. The composite mechanical weeding machine is simple in structure, capable of weeding between rows and good in weeding effect.

The invention discloses an automatic seedling avoidance system of a paddy field weeder based on deep learning and ADRC control. The system comprises an image collection module M0, an SSD algorithm-based rice seedling detection module M1, a seedling line fitting module M2, and an ADRC algorithm-based control module M3, wherein the image collection module collects rice seedling images, the rice seedling images are input into the rice seedling detection module M1, and detection and identification are performed by using an SSD target detection algorithm model so as to obtain an identification result; a seedling column line is fit according to the identification result, the position of a weeding wheel is optimized according to the input seedling column line information by using a maximum and minimum spacing optimization algorithm, so as to obtain a target position y<r> of the weeding wheel; and with the target position y<r> as a control target, the ADRC controller realizes active disturbance rejection control in weeding process, so as to minimize seedling damage ratio. The system improves control accuracy and reduces manufacture cost of the weeder without adding the sensor, and solves akey technological problem of intelligent, efficient, low-damage mechanism-based weeding in a complex paddy field operation environment.

The present invention relates to a device and a method for mechanical weed control, comprising an agricultural vehicle (10; 110) having a predetermined direction of travel and two opposite long sides, and a soil cultivation implement, which is fastened to the agricultural vehicle (10; 110), wherein the soil cultivation implement has at least one harrow (30; 130; 230) having at least one tine (44; 144; 244), which comprises a tine arm (45; 145), a tine tip (48; 148; 248) and a tine base (46; 146), and the tine tip (48; 148; 248) and the tine base (46; 146) are arranged at opposite ends of the tine arm, wherein the harrow (30; 130; 230) is connected, in the region of the tine base (46; 146), to a connecting element (32; 132), wherein the at least one tine (44; 144; 244) of the harrow (30; 130; 230) has a bend with a predetermined angle, and wherein at least the tine tip (48; 148; 248) projects beyond a long side of the agricultural vehicle (10; 110) and the tine arm (45; 145) is orientated at a predetermined angle to the direction of travel.

The invention discloses a fertilization and drug application vehicle with a mechanical weeding function in the technical field of agricultural machinery, which comprises a liftable middle fertilization box, and the left and right sides of the middle fertilization box are respectively hinged with a side fertilization box 1 and a side fertilization box Two, the side fertilization box 1 and the side fertilization box 2 can rotate in the front and rear directions; the rear sides of the middle fertilization box, the side fertilization box 1 and the side fertilization box 2 are respectively connected with fertilization and drug application components, and the fertilization and drug application components It includes a support rod, on which a number of fixed rods are arranged, the lower part of the fixed rod is connected with a weeding mechanism for mowing grass, the rear of the support rod is connected with an installation adjustment rod, and a number of hollow connecting pipes are arranged on the installation adjustment rod , the downward side of the connecting pipe is provided with a spraying pipe, and the connecting pipe communicates with the inner cavity of the spraying pipe; the invention can adjust the operation width according to actual needs, has strong adaptability and wide application range; the weeding effect is better.

A method for controlling weeds in paddy fields, which uses three kinds of duckweed, namely, multi-rooted purple duckweed, few-rooted purple duckweed and green duckweed as initial materials, after I-level cultivation and II-level cultivation, they are mixed in proportion and evenly sprinkled on irrigation water among the rice fields. The invention adopts an ecological method to effectively control the germination of weeds in paddy fields, greatly reduces the germination rate of weeds in the field, reduces the harm of weeds, and ensures the production of crops. It can effectively reduce the amount of chemical herbicides used in paddy fields, save the time of manual or mechanical weeding in the field, and at the same time avoid the occurrence of weed resistance and the destruction of ecological balance. purpose of sustainable management.

The invention belongs to the field of weed suppression bacteria, and particularly relates to a preparation method of a soil-recovering weed suppression bacteria, agricultural weed damage is prevented and controlled and soil is improved by utilizing produced microorganisms and metabolites thereof through a unique culture medium raw material ratio and a special technological process, and compared with manual and mechanical weeding, the method has the advantages that the cost is low, and the effect is good. The method has the advantages of low investment, high economic benefit, long period of validity and the like. Compared with a chemical herbicide glyphosate, the herbicide has the advantages of being safe to the environment, good in compatibility, free of phytotoxicity to crops, free of pollution to soil and capable of improving the soil and promoting the growth of the crops. The method has no influence on human and animal safety, and meets the requirements of sustainable green development.

The invention relates to a device for identifying deflection of rice plants by tactile perception, which comprises an upper casing, a lower casing, a tactile perception system, a data processing system, a profiling rod and a power source. The upper casing and the lower casing are sealingly connected, the profiling rod is fixed on the upper casing, and the power source and the data processing system are installed in the lower casing. The tactile perception system comprises two sets of bending sensors before and after, wherein the two bending sensors in each set are symmetrically mounted on theleft and right sides of the lower casing, and the bending sensors extends in the left and right direction. According to the deformation response law of the bending sensor, the tactile perception system realizes the identification and localization of the rice plants through the data processing system, and on this basis, the statistics of the planting amount of the rice plants are completed. According to the device for identifying deflection of rice plants by tactile perception, the deflection of rice plants between adjacent rice plants is calculated, and further the corresponding regulation ofthe weeding parts is guided to realize the weeding operation of the seedling avoidance machine, and the invention belongs to the field of crop identification.

The invention discloses a crop cultivation process in the technical field of agricultural machinery, which comprises the following steps: (1) using an automatic seeder to continuously sow the field, and performing flame weeding while sowing; (2) using a mechanical weeding mechanism to perform inter-row weeding Weeding; (3) inter-row fertilization; wherein, steps (2) and (3) are carried out simultaneously; the present invention is not easy to grow grass between the rows, and the weeding is more environmentally friendly and efficient.

The invention discloses a weeding device and a weeding method, which belong to the technical field of mechanical weeding. The weeding device includes a connection assembly, a global camera module, a local camera module, a main control system and multiple groups of weeding mechanisms; the global camera module is located at The distribution images of target economic crops and weeds are captured in the first area on the side of the direction of travel of the weeding device, and the local camera module captures images of green distribution in the second area on the side of the direction of travel of the weeding device; The distribution image of the weeds is used to obtain the distribution information of the target economic crops, and the weed distribution information is obtained according to the green distribution image and the distribution information of the target economic crops, and the action of the lifting drive and the weeding component is controlled according to the weed distribution information, so that the weeding component removes the weeds. Grass. The invention is used for mechanical weeding in the field, and can have higher weeding efficiency and better weeding effect on the basis of protecting the farmland environment and maintaining the growth of target economic crops.