31results about How to "Efficient Harvesting" patented technology

The invention relates to the technical field of harvesters, in particular to an intelligent harvester operation speed adjusting system which comprises a data acquisition module, a crop lodging detection and compensation module, a pesticide residue detection and avoidance module, a control and execution module and a display and feedback module. The data acquisition module detects environmental parameters in real time through a plurality of sensors; the crop lodging detection and compensation module dynamically adjusts the operation speed and path of the harvester; the pesticide residue detection and avoidance module is used for detecting pesticide residue conditions on crops and avoiding areas with high pesticide residues; the control and execution module generates a corresponding operation speed adjusting instruction; and the display and feedback module is used for displaying the current operation parameters and the adjustment state. According to the invention, the intelligent level and the overall operation benefit of agricultural mechanization are improved, and the accuracy, safety and high efficiency of harvesting operation are ensured.

The utility model provides a hydraulic system of a sugarcane pile cutting machine. The hydraulic system comprises a sugarcane pile cutting machine body, a walking hydraulic system, a working device hydraulic system and an auxiliary device hydraulic system. The sugarcane pile cutting machine body comprises a front conveying part, a rear conveying part, a material box, a supporting and falling device, a header, a root cutting device, a supporting and falling device oil cylinder, a hopper lifting oil cylinder and a material door opening and closing oil cylinder. The hydraulic system of the sugarcane pile cutting machine can stably and efficiently complete the functions of walking, harvesting and the like of the sugarcane machine, is mature and stable, is sensitive in action response, can efficiently complete action control and sugarcane harvesting, adopts semi-rigid connection in front and back conveying, does not need to additionally add a synchronizing device, and is simple in structure and convenient to operate. The sugarcane pile cutting machine can slide relatively to prevent parts from being damaged during overload, one-key unloading of the material box can be achieved, operation steps are reduced, time is saved, and the sugarcane pile cutting machine is multiple in working parts, complex in structure and movement, stable, reliable, good in economical efficiency and high in efficiency.

The invention discloses a water spinach harvesting and bundling machine, and belongs to the technical field of agricultural machinery, the water spinach harvesting and bundling machine comprises a cutter arranged at the front end of a rack, a feeding dial wheel is arranged behind the cutter, and a feeding channel is arranged along the conveying direction of the feeding dial wheel; a clamp seat is arranged in the feeding channel; a telescopic push plate is arranged in the clamp seat; a clamping plate matched with the push plate to clamp materials is arranged on the rack; a main bundling device and an auxiliary bundling device are arranged in the clamp seat; the main bundling device comprises a rotating disc, a mounting column is arranged on the rotating disc, and a film winding roller is arranged on the mounting column; a rotating shaft is arranged at the bottom of the rotating disc, and a bundling driven wheel capable of rotating unidirectionally is arranged on the rotating shaft; the auxiliary bundling device comprises a lifting seat, and the lower end of the lifting seat is provided with a clamping device used for cutting off and clamping the winding film and a magnetic attraction piece used for attracting the mounting column. According to the water spinach harvester, efficient harvesting of water spinach is achieved, the harvested water spinach is subjected to wrapping film compacting and bundling, the labor intensity is lowered, and losses in the harvesting process are reduced.

The invention discloses a targeted vibration litchi harvesting device and a harvesting method thereof. The targeted vibration litchi harvesting device comprises a three-axis synchronous belt mechanism, a vibration harvesting mechanism, a binocular vision mechanism, a fruit collecting mechanism, a shear fork lifting mechanism, a control cabinet and a crawler provided with a platform. The vibration harvesting mechanism is installed on a Z-axis sliding block of the three-axis synchronous belt mechanism and can meet vibration harvesting requirements of different frequencies and amplitudes, a collecting net bag of the fruit collecting mechanism is installed on the vibration harvesting mechanism, and a fruit collecting frame of the fruit collecting mechanism is installed on the platform. According to the mechanism, precise collection of litchi fruits during vibration picking and temporary refrigeration storage after picking can be completed, and a control system is arranged in the control cabinet; the crawler can drive the platform to a harvesting area. The device has the advantages of being high in picking efficiency, small in fruit damage, easy to control, large in picking range and the like, and efficient and accurate targeted harvesting can be conducted on litchis.

The invention provides a tree form identification-based forest and fruit tree body profiling flapping method, which can effectively flap each part of a tree crown in a shape imitating the shape of the tree crown, so that the net picking rate is improved, and high-efficiency automatic harvesting is realized. The method comprises the steps that an unmanned aerial vehicle flies according to a preset route, aerial photography is conducted on an orchard, the crown top view shape and size of each tree are determined, and the unmanned aerial vehicle sends the crown top view shape and size of the corresponding tree number of each tree to a console; when the chassis vehicle body moves, the crankshaft rotates, and the controller controls the stroke of the piston rod of each cylinder according to the shape and diameter of the flapped fruit tree crown, so that the top end of each flapping strip always moves from the edge part of the crown to the symmetry axis of the crown, and the top of the crown and the pole part of the symmetry axis are prevented from being missed in flapping. The tree crown symmetry axis refers to a symmetry axis which is parallel to the advancing direction of the chassis vehicle body and basically equally divides the top view of the tree crown.

The utility model discloses a tobacco leaf harvesting device which comprises a harvesting frame, moving wheels are arranged at the bottom of the harvesting frame, a pushing handle is arranged on the rear side of the harvesting frame, a supporting plate is arranged on the front side of the harvesting frame, a fixing transverse rod is arranged on the supporting plate, the two ends of the fixing transverse rod extend out of the outer side of the harvesting frame, and side plates are rotationally arranged at the two ends of the fixing transverse rod. A plurality of cutter shafts are arranged on the outer side walls of the side plates at intervals and rotate synchronously, blades are arranged on the cutter shafts, air cylinder bases are arranged on the two sides of the harvesting frame, air cylinders are rotationally arranged on the air cylinder bases, the push-out ends of the air cylinders are connected with the side plates through connecting rods, shaft covers are arranged on the supporting plates, distance adjusting rotating shafts are arranged in the shaft covers in a penetrating mode, and the distance adjusting rotating shafts are arranged on the distance adjusting rotating shafts. A first motor for driving the distance adjusting rotating shaft to rotate is arranged on the outer side of the shaft cover; the tobacco leaf harvesting height can be conveniently adjusted, and the tobacco leaf harvesting device can be well attached to tobacco plants, so that the harvesting effect and the harvesting efficiency are improved, and the problems pointed out in the background technology are solved.

The invention discloses a combined collecting agent and application of the combined collecting agent in reverse flotation desilicication of potassium feldspar, and belongs to the technical field of mineral processing engineering. The combined collecting agent is composed of sodium oleate and hexadecyl trimethyl ammonium chloride. When the total dosage of the agent is 1 * 10 <-4 > mol / L to 6 * 10 <-4 > mol / L, the pH value is 10.0, and the molar ratio of hexadecyl trimethyl ammonium chloride to sodium oleate in the combined collecting agent is 1: 3-1: 2, efficient reverse flotation separation of the potassium feldspar and the quartz can be achieved. The combined collecting agent has the advantages of being high in collecting capacity, low in production cost, small in agent dosage, good in selectivity, environmentally friendly, safe and the like, and the separation effect and the economic benefit are both considered. According to the method, the sodium oleate and hexadecyl trimethyl ammonium chloride combined collecting agent is used for flotation separation of the potassium feldspar and the quartz.

The invention relates to the technical field of intelligent beneficiation, and provides a beneficiation method for high-mud and high-silicon fluorite ores, which comprises the following steps of: roughing, grading and selecting for multiple times, returning tailings generated in the selecting process to the same layer of selecting process, and returning the scavenged concentrate in the scavenging process to the previous layer of scavenging process, so as to realize beneficiation of the high-mud and high-silicon fluorite ores. Overflow generated by middling regrinding directly enters the first scavenging process to be scavenged and discharged in advance, the influence on fine powder is reduced, and the whole-flow material flow direction closed loop in the fluorite ore flotation process is achieved. The invention further discloses a system, the flotation indexes that the CaF2 grade is 97.10% and the recovery rate is 82.27% can be obtained through the method and the system, fluorite concentrate reaches the acid-grade first-grade product standard, and efficient recovery of the high-silicon and high-mud refractory fluorite ore is achieved. Meanwhile, sodium carbonate is used as a pH regulator, acidified water glass is used as an inhibitor, modified oleic acid is used as a collecting agent, the fine powder quality and the recovery rate are remarkably improved for flotation of the high-silicon fluorite, and efficient utilization of refractory fluorite resources is achieved.

The utility model discloses a front reciprocating cutting type lavender harvester and belongs to the technical field of agricultural machinery. The harvester is composed of a four-wheel tractor, a lavender recycling car hopper, a reciprocating cutting mechanism, a horn-shaped gathering mechanism and an inclined conveying belt mechanism. The rear side of the four-wheel tractor is connected with a recovery hopper, and the front side is provided with a horn-shaped folding mechanism; the front side of the trumpet-shaped gathering mechanism is provided with a reciprocating cutting mechanism, and a rear outlet is connected with an inclined conveyor belt mechanism. In the working process, the four-wheel tractor drives the lavender to advance, the reciprocating cutting mechanism cuts the lavender, the horn-shaped collecting mechanism collects the cut lavender, and the inclined conveying belt mechanism conveys the cut lavender to the recycling vehicle hopper. The lavender harvester solves the problems that existing lavender harvesting is low in efficiency, large in damage and the like, and has the advantages of being efficient in harvesting, good in quality and the like.

The present application relates to the technical field of animal husbandry, and particularly relates to a high-efficiency shearing device for sheep grass. The present application provides a high-efficiency shearing device for sheep grass, which can effectively avoid the phenomenon of sheep grass winding the device and effectively reduce the waste of sheep grass during the shearing process, thereby efficiently shearing the sheep grass. The present application comprises a vehicle body, a fork block and a moving mechanism, etc. The fork block is fixedly connected to one side of the lower part of the vehicle body, and the moving mechanism is arranged on the vehicle body. The transmission column is driven to rotate to drive the rotating column to rotate, thereby driving the plurality of cutting knives to reciprocatingly swing. The reciprocating swing of the cutting knives will continuously open and close with the fixed knives and cut the sheep grass between the fork blocks, thereby cutting the sheep grass, so as to collect the sheep grass. Meanwhile, the rotation of the winding shaft will wind the cut sheep grass, and the cut sheep grass is wound onto the conveyor belt. The rotation of the conveyor belt will convey the cut sheep grass to the vehicle body to collect the cut sheep grass, thereby completing the shearing of the sheep grass.

The invention discloses a cotton field straw crushing and mulch film cleaning and returning machine, comprising a frame, a guide assembly, a circular saw blade, a roller, a crushing device, a film cutting assembly, a picking mechanism, a material transfer mechanism and a baler. The circular saw blade is used to cut the root of the straw. A pair of rollers can squeeze each other and convey the straw. The film cutting assembly comprises a film cutting knife and guide rails arranged in the left and right directions. The picking mechanism comprises a chain and multiple rows of picking claws. The material transfer mechanism comprises a horizontal rotating shaft and at least one row of material transfer claws. When the returning machine moves forward, the circular saw blade can effectively rotate and cut the straw; the cut straw is instantly chopped by the blade, and the crushing effect is very good; since there is a certain distance between the circular saw blade and the cotton field and they are kept parallel, the mulch film will not be damaged; the picking claws dig up the mulch film to separate the mulch film from the soil, the mulch film is cut by the film cutting knife, and then collected to the baler, the mulch film will not be crushed, and the mulch film has the value of repeated use.

The present invention relates to the technical field of microbiological devices, and in particular to an integrated device and method for microalgae cultivation, harvesting and oil preparation. Wastewater to be treated and an appropriate amount of microalgae cells are sequentially added from an injection port into a microalgae cultivation main chamber, and then the temperature, light, and stirring speed parameters are set according to predefined optimal culture conditions to start microalgae cultivation and wastewater treatment. The present invention realizes efficient and clean treatment of various types of wastewater, especially seaweed processing wastewater, and rapid harvesting of microalgae cells. The obtained biomass can be further used for the extraction of high-value active substances such as bio-oil and the development of microalgae biological products, thereby generating considerable economic benefits. In addition, by integrating the treatment of wastewater, the harvesting of highly economical microalgae, and the preparation of active substances, rapid separation of microalgae cells from culture fluid and efficient preparation of oil are realized, thereby effectively simplifying the harvesting process of large-scale microalgae cultivation and significantly reducing the harvesting cost.

The utility model provides a crawler-type sugarcane pile-cutting machine one-rod control workbin unloading hydraulic system which comprises a chassis, a workbin is installed at the top end of the chassis, workbin lifting oil cylinders for controlling the workbin to ascend and descend are installed on the chassis and located on the two sides of the workbin, two symmetrical material doors are arranged at the bottom of the workbin, and the workbin lifting oil cylinders are arranged on the chassis and located on the two sides of the workbin. Material door opening and closing oil cylinders are installed on the two sides of the material box, and the material box lifting oil cylinder and the material door opening and closing oil cylinders are controlled by controlling the material box discharging hydraulic system through a rod. The one-rod control material box unloading hydraulic system further comprises a first sequence valve, a second sequence valve and a one-link valve group. The hydraulic control system is free of electrical elements, cost is reduced, fault points are reduced, unloading and withdrawing of the material box and opening and closing of the material door can be completed through one control rod, misoperation is avoided, the number of the control rods or buttons is reduced, the whole hydraulic system is mature and stable, the action response is sensitive, and action control and sugarcane harvesting can be efficiently completed.

The invention provides a mechanical arm continuous picking sequence optimization method under visual guidance, and relates to the field of intelligent picking equipment, and the method comprises the steps: S1, firstly, constructing a spatial heterogeneous visual positioning system, and carrying out the target recognition and positioning of tomato fruits; then, three-dimensional coordinates of tomato fruit centroids are obtained, and a coordinate set of the tomatoes capable of being picked is obtained; s2, determining an objective function of an optimal path for the space traveling salesman problem, and performing optimization through an improved sparrow algorithm; and S3, starting a picking mechanical arm to realize sequential harvesting. According to the method, the optimal picking sequence of the tomato fruits can be effectively obtained, the purposes of reducing the length of the motion path of the mechanical arm and prolonging the response time are achieved, and therefore continuous picking of dwarf and close planting type fruit and vegetable crops with high efficiency, high precision, high success rate, low cost and low time consumption is achieved.

The triangular bisection drawing type safflower picking head comprises an installation frame and a shell, the shell is fixedly arranged on the installation frame, the shell is in a hollow cylinder shape, an upper cover is arranged at one end of the shell, the triangular bisection drawing type safflower picking head is characterized in that an air pipe opening is formed in the shell, a groove type cam, a track fixing disc and a cutter are sequentially arranged below the upper cover, and the groove type cam is connected with the track fixing disc. A cam contour groove is formed in the surface of the groove type cam, a dovetail groove is formed in the track fixing disc, the cutter is arranged on the cutter rest, the cutter rest is perpendicular to the track fixing disc, the cutter is arranged below the track fixing disc, a sliding block capable of being embedded in the dovetail groove and sliding is arranged on the cutter rest, and the sliding block is arranged on the track fixing disc. The sliding block on the tool rest is embedded in the dovetail groove, the tool rest above the track fixing disc can be embedded in the cam contour groove, the groove type cam rotates and can drive the tool rest to do reciprocating motion in the dovetail groove of the track fixing disc with the sliding block as a support, and the motion direction is the radial direction of the track fixing disc.

This application provides a method for flotation separation of chalcopyrite and pyrite, relating to the field of mineral flotation. The method involves mixing and flotation of the minerals to be processed, including chalcopyrite and pyrite, with a chalcopyrite collector to obtain chalcopyrite concentrate and pyrite tailings. The general structural formula of the chalcopyrite collector is: [Formula omitted]. This chalcopyrite collector utilizes the high selective affinity of its propyne ester group for copper-active sites on the chalcopyrite surface and its inertness to iron sites on the pyrite surface, achieving precise identification and collection of chalcopyrite from the molecular structure of the reagent, significantly improving the grade and recovery rate of the copper concentrate. The R group is a hydrophobic group facing the pulp, significantly enhancing the surface hydrophobicity of the chalcopyrite particles, thereby enabling them to adhere to flotation bubbles and float.

The present invention discloses an orderly harvesting header and harvester suitable for harvesting multiple crops, wherein a walking mechanism comprises an electric four-wheel chassis; a harvesting mechanism is arranged at the front end of the electric four-wheel chassis, and the harvesting mechanism comprises an orderly conveying device, an airflow-type straw pulling device and a combined cutting device; the orderly conveying device comprises a conveying bottom frame, one end of which is hinged to the front end of the electric four-wheel chassis, a plurality of conveying channels are arranged on the conveying bottom frame, and side conveying components are symmetrically arranged on both sides of the channels; the airflow-type straw pulling device comprises a cover shell, which is fixedly mounted on an end of the conveying bottom frame away from the electric four-wheel chassis through a mounting buckle plate, and a plurality of straw pulling components are arranged in the cover shell; the combined cutting device comprises a fixed blade, which is fixedly mounted on an end of the conveying bottom frame away from the electric four-wheel chassis, and a double movable blade component is slidably connected to the fixed blade. The present invention can reduce the harvesting damage rate of multiple crops, improve the consistency of the regenerated stubble, and realize orderly harvesting.

The invention discloses a device for orderly cutting, harvesting, multi-crop growing and fertilizing pea seedlings, which belongs to the technical field of pea seedling harvesting and comprises a harvesting device, a picking device, a conveying device, a vegetable basket, a fertilizing and watering device and a crawler self-propelled chassis. The conveying device is mounted right above the crawler belt self-propelled chassis and is used for conveying the cut pea seedlings to a vegetable basket; the vegetable basket is mounted behind the conveying device and is used for collecting the cut pea seedlings; the harvesting device is installed right in front of the conveying device and used for cutting pea seedlings in the field. The picking device is installed above the rear portion of the harvesting device and used for picking the cut pea seedlings to the conveying device. The pea seedling harvesting machine solves the problem that the labor intensity of workers is large in the pea seedling harvesting process, nutrients are supplemented to pea seedlings in time after the pea seedlings are harvested several times, the yield of the pea seedlings is increased, manpower resource waste in the pea seedling harvesting process is reduced, and the labor intensity of the workers is reduced.

This invention belongs to the field of mineral flotation technology, specifically disclosing a mineral processing reagent, and also relating to its preparation method and application. The mineral processing reagent provided by this invention includes the structure shown in formula (I). This mineral processing reagent, used as a collector in mineral flotation operations, has the characteristics of low foaming and strong collecting power, which can improve the flotation separation effect of minerals.

The invention relates to the technical field of microbiological devices, in particular to an integrated device and method for culturing and harvesting microalgae and preparing grease, and the method comprises the following steps: sequentially adding wastewater to be treated and a proper amount of microalgae cells into a microalgae culture main body chamber from a sample inlet; the method comprises the following steps of: firstly, selecting microalgae cells, and then setting parameters of temperature, illumination and stirring speed according to pre-determined optimal culture conditions to start microalgae culture and wastewater treatment, so that efficient cleaning treatment of various types of wastewater, especially seaweed processing wastewater, and rapid harvesting of the microalgae cells are realized; the obtained biomass can be further used for extraction of high-value active substances such as biological oil and fat and development of microalgae biological products, considerable economic benefits are generated, rapid separation of microalgae cells and a culture solution and efficient preparation of oil and fat are achieved through integration of wastewater treatment, high-economic microalgae harvesting and active substance preparation, and the method is suitable for industrial production. The harvesting process for large-scale culture of microalgae is effectively simplified, and the harvesting cost is remarkably reduced.

The invention discloses a method for preparing high-purity iron concentrate by improving the quality of high-zinc iron concentrate and reducing silicon. The method performs pulping and re-grinding treatment on the high-zinc iron concentrate to obtain re-grinded slurry; the re-grinded slurry is subjected to reverse flotation, the flotation concentrate is zinc concentrate, the flotation tailings are iron concentrate, and the flotation tailings are subjected to magnetic separation to obtain high-purity iron concentrate and high-silicon tailings. The high-purity iron concentrate obtained by the method has TFe>70%, Zn<0.05%, SiO2<0.3%, and the iron loss rate does not exceed 3%. The method is highly operable and has strong adaptability to raw materials. The tailings obtained by flotation do not need to be concentrated and re-grinded, and can be directly put into magnetic separation operation for deep impurity removal to obtain high-purity iron concentrate, saving energy consumption and water. The obtained iron concentrate can meet the original requirements of major steel companies for producing high-purity special steel, and solves the problems of poor dezincification effect of high-zinc iron concentrate, high energy consumption and poor indicators in the production of high-purity iron concentrate.

The invention discloses a halophage mycelium protein and a preparation method thereof.The halophage mycelium protein is prepared from, by mass, 20 million / g of halophage mycelium, 10% of plant protein, 10% of animal protein, 30% of organic matter, 10 million / g of active enzyme, 30% of amino acid and 20% of total nitrogen. The plant protein, the animal protein and the organic matter are used as auxiliary nutrient sources of the halophiles, so that the halophiles can be stimulated to generate more proteins, and the added active enzyme can be used for cracking halophile cells, so that the digestibility of the proteins is improved, and the release of cell contents is promoted; the amino acid can supplement essential amino acid in the culture process of the halophage mycelia, the structural integrity of the protein is ensured, the total nitrogen content serves as a measurement standard, the quality and yield of the protein are conveniently and more accurately evaluated, and meanwhile it is ensured that infectious microbes do not affect normal growth of the halophage mycelia.

The invention belongs to the technical field of mineral processing and beneficiation reagents, and particularly relates to a double-phenyl-bridged dihydroximic acid flotation collecting agent and a preparation method and application of the double-phenyl-bridged dihydroximic acid flotation collecting agent. The general chemical formula of the biphenyl bridged dihydroximic acid flotation collecting agent is HO-NHC (= O)-Ar-O-R-O-Ar-C (= O)-NHOH; wherein Ar is an aromatic ring group of which the ortho-position is provided with carboxyl or carboxylic ester group; and R is alkylene with 1-8 carbon atoms. The collecting agent with the double-benzene-ring double-hydroximic-acid structure is expected to have higher selectivity, more stable chelation capacity and higher hydrophobicity at the same time, so that the collecting agent shows excellent collecting effect and separation efficiency in the flotation process, and the defects that an existing hydroximic acid agent is insufficient in selectivity, poor in hydrophobicity and the like are effectively overcome.

Methods are provided for enhancing the genetic modification of target cells by automated centrifugal inoculation within a functionally closed cell processing platform. The process begins with the introduction of a cell suspension into a conical cell processing cartridge (CPC) that facilitates the settling and concentration of target cells. Genetic modification is achieved by injection of a gene transfer vector into the CPC, followed by controlled centrifugal inoculation, thereby enhancing vector-cell interactions by centrifugal force while maintaining optimal temperature and conditions. Optical sensors and automated feedback systems monitor and adjust centrifugation parameters to maximize transduction efficiency and cell viability. The methods include precise mixing, reagent delivery, washing to remove contaminants, and harvesting of genetically modified cells, all performed in a sterile environment. Additional features include buoyant microbubble separation, multi-modal centrifugation, and automated fluid handling via transfer syringe cartridges, ensuring efficient, contamination-free cell processing suitable for therapeutic applications.

The present invention discloses an intelligent and efficient vegetable defoliation harvester control system and method, which relates to the field of artificial intelligence application technology, including a distance judgment module, a defoliation control module, a collection control module and a threshold comparison module, wherein: the distance judgment module is used to detect the distance between the harvester and the vegetable plant, and if it is within the preset harvesting distance, the harvester is controlled to start harvesting; the defoliation control module is used to control the harvester to perform defoliation after comparing the vegetable plant image with the preset reference vegetable plant image; the collection control module is used to control the harvester to collect the defoliated vegetables; and the weight of the collected vegetables is judged; the threshold comparison module is used to compare the weight judgment result with the preset threshold value, and if the preset threshold value is reached, an alarm is turned on to control the harvester to suspend harvesting. The vegetable harvester of the present invention can automatically identify old leaves and remove them, further improving its intelligence level and operation convenience.

A method for pre-concentrating microalgae oil and preparing catalytic hydrothermal low-nitrogen biomass oil belongs to the field of biomass energy technology. Microalgae are cultured under light with rare earth elements and nanoparticles under external stress to obtain microalgae culture algae; mycelium balls with a diameter of 3-5 mm are cultured; the mycelium balls are added to the microalgae culture algae liquid for harvesting, and then heteropolyacids and molecular sieve catalysts are added to perform hydrothermal catalytic reaction, and after the reaction is completed, the reaction is cooled, the solid-liquid separation is performed, and the low-nitrogen biomass oil is finally obtained by extraction. The present invention achieves synergistic quality improvement, significantly reduces the O / C and N / C ratios, and the nitrogen content is less than 1.2%, with obvious quality improvement effect.

The application discloses a corn-soybean composite harvesting device, and relates to the field of agricultural machinery, which comprises a rack, a corn harvesting mechanism, a soybean harvesting mechanism, a corn aggregation transmission mechanism, a soybean aggregation transmission mechanism and a power mechanism, the corn harvesting mechanism is located on the front side of the soybean harvesting mechanism, the corn harvesting mechanism comprises a plurality of corn grain dividers, a plurality of corn harvesting assemblies and a plurality of corn cutters, the corn aggregation transmission mechanism is installed on the rack and located at the back of the plurality of corn harvesting assemblies, and the power mechanism is used for providing power for the corn harvesting assemblies, the corn cutters and the corn aggregation transmission mechanism; the soybean harvesting mechanism comprises soybean cutters, a plurality of soybean grain dividers and a plurality of soybean harvesting assemblies, the soybean aggregation transmission mechanism is installed on the rack and located at the back of the plurality of soybean harvesting assemblies, and the power mechanism is used for providing power for the soybean harvesting assemblies and the soybean aggregation transmission mechanism. The device can quickly and efficiently harvest corn and soybeans at the same time, and the adaptation range is increased.

This application relates to the field of kudzu harvester technology, specifically disclosing a method and system for adaptive adjustment of the soil entry angle of a vibratory shovel in a kudzu harvester. The method includes collecting intrinsic soil data and initial soil entry angle of the current working area; determining soil characteristic parameters, target vibration parameters, and target reference resistance corresponding to the intrinsic soil data based on a preset soil frequency resistance mapping table; inputting the soil characteristic parameters, target vibration parameters, and target reference resistance into a preset angle dynamic correction model, and outputting the target soil entry angle of the vibratory shovel; adjusting the angle of the vibratory shovel according to the difference between the target soil entry angle and the initial soil entry angle; and collecting the actual soil entry angle of the vibratory shovel in real time during the adjustment process, and dynamically correcting the adjustment deviation by combining a proportional-integral-differential error correction algorithm to adaptively adjust the soil entry angle of the vibratory shovel. The method achieves the high-efficiency and low-consumption operation requirements of the harvester by adaptively adjusting the soil entry angle for soils of different hardness.

The present application belongs to the technical field of forest fruit harvesting, and particularly relates to a tree-climbing vibration harvesting robot with a multifunctional arc-shaped plate and a use method, comprising a plurality of arc-shaped rack units, a plurality of arc-shaped rack units are enclosed into a circular rack, a self-adaptive positioning wheel mechanism, a climbing mechanism, a vibration mechanism and a power supply are fixedly installed on the arc-shaped rack unit, the vibration mechanism comprises a self-locking push-pull electromagnet, a vibration excitation unit, an arc-shaped plate and an anti-reverse thrust mechanism, through the synergistic effect of the self-locking push-pull electromagnet and the vibration excitation unit, the single arc-shaped plate integrates three functions of clamping, vibration excitation and power-off protection, the arc-shaped plate is retracted during climbing, the arc-shaped plate is pushed out to clamp the trunk and transmit vibration during harvesting, and the arc-shaped plate is pushed out to lock the trunk by the resetting force of the self-locking electromagnet in case of accidental power-off, safety protection is realized, and independent clamping hands, vibration exciters and anti-falling devices do not need to be respectively arranged, so that function multiplication is realized with extremely simple hardware.

The invention discloses a primary rutile ore reverse flotation dephosphorization collecting agent methyl oleate sodium sulfonate (MOS), and belongs to the technical field of mineral flotation. The collecting agent MOS is a bifunctional anionic surfactant containing a sulfonic acid group and an ester group at the same time. In a reverse flotation system, MOS can be selectively adsorbed on a Ca < 2 + > active site on the surface of apatite and does not interact with a Ti < 4 + > site on the surface of rutile, so that the floatability difference of apatite and rutile is remarkably enlarged, and efficient separation of apatite and rutile is achieved. The collecting agent has the advantages of being simple in synthesis process, high in selectivity and the like, efficient dephosphorization of primary rutile ore can be effectively achieved, theoretical support and economic value are provided for clean utilization and sustainable development of titanium resources, and the application prospect is wide.