185results about "Topping machines" patented technology

The invention provides a digging and pulling combined type ginger harvester and a working method, relates to the field of ginger harvesters, and aims to solve the problem that ginger blocks are easy to mechanically damage when ginger is harvested at present, a combined mode of digging and clamping and pulling is adopted, a digging shovel loosens soil through a rotary digging action, conditions are created for ginger seedling extraction, and then the ginger seedlings are harvested; meanwhile, through the cooperation of flexible clamping and lifting effects of the clamping conveying channels on ginger seedlings, stable extraction of the whole ginger is achieved, the situation that an excavating component directly collides with ginger blocks to cause damage is avoided, a flexible clamping space is formed through opposite arrangement of the clamping conveying chains, the ginger seedlings can be reliably fixed, the ginger blocks cannot be extruded, and therefore the ginger seedlings can be stably extracted. The floating support which is obliquely installed can adapt to field terrain fluctuation, and the stability of clamping and conveying is kept; the subsequent ginger seedlings are stably transferred through the clamping side throwing channel, falling or collision in the conveying process is avoided, and the damage risk is further reduced.

The invention relates to the technical field of agricultural machinery, and discloses a pull-type ridge-imitating sweet potato seedling vine harvester and a method, the pull-type ridge-imitating sweet potato seedling vine harvester comprises a harvester shell, a seedling picking and cutting mechanism, a chopping mechanism, an auger mechanism and a throwing and blowing fan are sequentially arranged in the harvester shell, the seedling picking and cutting mechanism is used for picking seedlings and cutting the seedlings simultaneously, and the chopping mechanism is used for chopping the seedlings; broken seedling vines enter the auger mechanism after being crushed by the chopping mechanism, and then are conveyed to the throwing fan; the seedling picking and cutting mechanism is in butt joint with the front side of the chopping mechanism and comprises a seedling picking shaft, the height of the seedling picking shaft is matched with the height of ridge backs, disc cutters are arranged at the positions, close to the two ends, of the seedling picking shaft, and seedling picking rods are arranged on the inner sides of the disc cutters so as to pick creeping seedling vines in furrows or between ridges to the chopping mechanism; the disc cutter is arranged to cut off twined seedling vines at furrows, so that the situation that the seedling vines cannot be picked into the chopping mechanism by the seedling picking rod due to twining is prevented, and it is guaranteed that the seedling vines at the positions where the harvester passes can be picked up, chopped and then collected.

The utility model provides a flexible clamping carrot harvesting vehicle which comprises a vehicle body capable of moving in the field, a clamping conveying mechanism is arranged on the front portion of a chassis of the vehicle in the moving direction of the vehicle, the clamping conveying mechanism comprises a pair of conveying belts with the conveying path inclining upwards, and belts on the conveying faces of the two conveying belts make contact or are adjacent to each other. A clamping conveying path capable of being used for clamping a carrot leaf area on the ground and applying pulling force is formed, and supporting wheels used for supporting a belt are distributed on the two sides of the clamping conveying path in a staggered mode to form large clamping wheels. The pulling force of the clamping transmission path on the side part of the carrot leaf area is stable; according to the carrot harvester, by integrating advanced mechanical, electronic and automatic technologies, rapid, accurate and mild harvesting operation on carrots can be achieved, so that the overall production efficiency is improved, and loss is reduced.

The invention provides a root vegetable leaf cutting method and system based on deep learning, and the method comprises the steps: collecting image data of root vegetables, and positioning a cutting point through a meat quality detection model; and preprocessing the image data and training the leaf cutting decision model. And the photographing thread collects a harvesting real-time image by using a leaf cutting decision model, the flesh body detection model locates a tangency point and obtains a result, fruit objects are packaged based on the result and a timestamp, and the fruit objects are pressed into a real object queue. The prediction thread predicts and interpolates the queue position to obtain a smooth prediction object queue; and the decision thread identifies the cutting position and cuts the leaf of the rhizome. According to the method, boundary positioning tangency points are identified through the meat quality detection model, and chain mechanical pulling damage is avoided; the leaf cutting decision model is trained through preprocessing and the like to improve the image recognition robustness, and it is ensured that the leaf cutting lengths are consistent; predicting a thread interpolation smooth trajectory, and compensating time delay; and the decision-making thread performs cooperative judgment, so that the mistaken cutting risk is reduced, and the problem of root vegetable meat body protection is solved.

The invention provides an integrated combine harvester for tuber crops and onions. The integrated combine harvester comprises a compacting and seedling killing device, a digging and pulling device, a ground breaking and seedling picking device and a packaging device, the compacting and seedling killing device is used for completing preparation work before tuber digging and onion pulling operation, not only can compact soil ridges of tuber crops, but also can cut off seedlings of onions; the digging and pulling device 2 is used for digging tuber crops or onions from soil; the soil breaking and seedling picking device 3 is used for removing impurities difficult to separate in harvested mixtures in the conveying process, the packaging device 4 is installed at the tail of the machine body frame 5 and used for collecting separated tuber crops or onions, packaging the tuber crops or onions and then unloading the tuber crops or onions to the field, and shutdown unloading is avoided while skin breaking damage is reduced. High-efficiency and high-performance harvesting of tuber crops and onions is achieved, meanwhile, the labor cost during harvesting is remarkably reduced, and the economic benefits of farmers for planting tuber crops and onions are increased.

A chain tensioning mechanism for a beet leaf trimming vehicle includes a frame, a gearbox fixedly mounted on the frame, and main shafts connected to the output shaft of the gearbox via chain drives. The main shafts are rotatably mounted on the frame via bearings and have several trimming blades mounted on them. A connecting frame for connection to a tractor is fixedly mounted on one side of the frame, and a caster wheel is mounted on the other side. A side plate is fixedly mounted on the frame, and one output shaft of the gearbox and one end of one of the main shafts pass through the side plate. This invention features a simple structure and ingenious design. Tensioning wheels on an adjusting plate abut against the inner side of the chain, while the remaining tensioning wheels abut against the outer side. Under the elastic force of a tensioning spring rod, the chain is tensioned, preventing chain slippage, ensuring transmission efficiency, meeting practical needs, and suitable for widespread application.

An automatic topping control system for an agricultural harvester is disclosed, comprising a topping assembly having a cutting disc and a rotary drive source configured to rotatably drive the cutting disc. The system also includes an actuator for adjusting the cutting height of the cutting disc. Furthermore, the system includes a controller configured to monitor drive-related pressure parameters associated with the operation of the rotary drive source of the topping assembly. The controller is also configured to control the operation of the actuator to adjust the cutting height of the cutting disc based at least in part on the monitored drive-related parameters.

The present application relates to a kind of radish automatic harvesting device, more particularly to radish pulling equipment technical field, including harvesting car and first support frame, harvesting car rotationally connected with the first support frame being symmetrical along the longitudinal direction of harvesting car, first support frame inside is equipped with pulling component, harvesting car rotationally connected with the electric push rod being symmetrical along the longitudinal direction of harvesting car, the telescopic rod of electric push rod and first support frame rotationally connect, harvesting car is equipped with the taking component along the longitudinal direction of harvesting car in first support frame side away from, harvesting car is equipped with cutting component in the side close to taking component, harvesting car is equipped with storage component in the side close to taking component.The present application can be according to different regions, different planting mode and radish variety, by electric push rod to adjust the height of pulling component pulling radish, so as to facilitate the radish to be pulled out.

The invention relates to a cutting device (40) for cutting plants. The cutting device comprises at least one cutting unit (41) which has at least one probe element (21), fastened to a holding element (13), for determining an extent of a plant, at least one cutting element (22), fastened to a further holding element (11), for cutting the plant depending on the extent, and at least two frame coupling elements (4, 6). Here, at least one of the holding elements (11, 13) is coupled to a cutting device frame (1) by the frame coupling elements (4, 6). The holding elements (11, 13) are arranged movably relative to one another. The cutting device comprises an adjusting device (42) which is configured to adjust the holding elements (11, 13) relative to one another independently of a movement of at least one of the holding elements (11, 13) relative to the cutting device frame (1).

The present application belongs to the technical field of agricultural machinery, and particularly relates to a reed canary grass harvester. The reed canary grass harvester comprises a machine body, a moving device, a cutting device, a harvesting device, a screening device and a storage device. The moving device is used to drive the machine body to move in a predetermined direction. The cutting device is used to cut off the stems and leaves of the reed canary grass on the ground surface. The harvesting device comprises a first digging assembly and a second digging assembly. The second digging assembly is used to dig up the upper layer of reed canary grass, and the first digging assembly is used to dig up the lower layer of reed canary grass. The screening device is fixedly connected with the machine body. The storage device is fixedly connected to one end of the machine body. The height of the first digging assembly is adjusted, the cutting device cuts off the stems and leaves of the reed canary grass, the second digging assembly digs up the reed canary grass in the upper layer of soil, the first digging assembly digs up the reed canary grass in the lower layer of soil and enters the screening device to separate the reed canary grass from the soil and then enters the storage device. By adjusting the height of the first digging assembly, the problem that the reed canary grass growing in the deeper soil cannot be dug up is solved.

To provide a root crop harvester that can improve a working environment by restraining dust generated in association with work for harvesting crops, and restrain contamination of a machine body and harvests caused by the generation of the dust.SOLUTION: A harvesting device 3 is constituted so as to comprise: a raising part 31 for raising foliage parts of crops; and a pulling conveyance part 32 for clamping the foliage parts raised by the raising part 31, pulling them out of a field, and conveying them to a rear part of a machine body. A root crop harvester comprises an air blowing mechanism constituted so as to comprise a plurality of fan devices for blowing air. The air blowing mechanism is constituted so that air is blown downward and obliquely rearward at a position in a front part of the harvesting device 3 by a first fan device arranged in the raising part 31, and a second fan device arranged in the pulling conveyance part 32.SELECTED DRAWING: Figure 1

The invention discloses a cassava stalk cutting and collecting device which comprises a device body and an external power source, the external power source is used for outputting power to the device body, and the device body comprises a rack; a collection box; a connecting device; a gearbox; a driving sprocket; a clamping and conveying device; a bottom end cutting device; a shifting rod; provided is a branch cutting device. The device is specially used for cutting cassava stalks through the bottom end cutting device before cassava harvesting, then the cassava stalks are conveyed through the clamping and conveying device, part of main branches and branches are separated through the branch cutting device, classified collection is conducted based on the collecting box, and the cassava harvesting convenience and automation level is improved; the device main body completes integral linkage only through a power shaft output by a machine matched with traction or an independent power source, the labor intensity of manual cutting, collecting and carrying of cassava stalks is reduced while automatic operation is constructed, and the technical effects of high cost performance and improvement of harvesting efficiency in agricultural production are achieved. The development trend is the same as that in the current field.

The present invention relates to an automatic control device and method for digging depth, belonging to the field of information technology applied to agricultural machinery. The device includes a harvesting platform frame, an L-shaped forward-extending digging shovel, and a clamping conveyor chain. The harvesting platform frame is hingedly mounted with a depth-limiting wheel rocker arm at the rear end, and a depth-limiting wheel is mounted at the front end of the depth-limiting wheel rocker arm. The middle portion of the depth-limiting wheel rocker arm is hingedly connected to one end of a power push rod, and the other end of the power push rod is hingedly connected to the front lower end of the harvesting platform frame. The harvesting platform frame is equipped with an industrial camera facing the front garlic bulb area, and a displacement sensor is installed on one side of the power push rod. The signal output ends of the industrial camera and the displacement sensor are respectively connected to corresponding signal ports of a main control unit via a host computer and an analog / digital conversion module. The control output end of the main control unit is connected to the controlled end of the power push rod via a drive circuit. The present invention can intelligently, accurately, and automatically adjust the digging depth to an appropriate value, significantly improving the quality and efficiency of garlic harvesting, reducing energy waste, and lowering harvesting costs.

To solve such a problem that a work vehicle such as a carrot harvesting vehicle having a crane device is known, the crane device includes a suspension crane arm which is driven so as to protrude to suspend a carrot storage container, however the sufficient usability of the crane device is not necessarily realized in the work vehicle such as the conventional carrot harvesting vehicle.SOLUTION: A carrot harvesting vehicle comprises: a crane device 700 which has a suspension crane arm 710 which is driven so as to protrude to suspend a carrot storage container 650; a vehicle body inclination sensor 810 which detects vehicle body inclination; and a control device 900 which performs control of protrusion drive prohibition of the suspension crane arm 710 when it is detected that the vehicle body inclination exceeds a prescribed level.SELECTED DRAWING: Figure 1

The utility model discloses a ginseng harvesting all-in-one machine, and belongs to the technical field of ginseng harvesting equipment, in the process that a digging assembly is used for digging and harvesting one ridge of ginseng, a cutting mechanism cuts leaves of the other adjacent ridge of ginseng, the cut leaves are toggled to the position between the two ridges of ginseng by a toggling mechanism, and then the ginseng is harvested. According to the ginseng leaf recycling device, the blades are prevented from falling above the soil of the ridges of ginseng, then when the digging assembly digs the ridges of ginseng, the dug soil is prevented from being mixed with the ginseng leaves, and the ginseng leaves between every two ridges of ginseng can be recycled conveniently.

The application provides a multi-row garlic harvester, which comprises a harvester frame, a clamping rod conveying component connected with the harvester frame, a front guide component connected with the clamping rod conveying component, a root and sprout cutting component connected with the clamping rod conveying component, a belt conveying component in transmission connection with the root and sprout cutting component, a soil shaking screen component connected with a conveying side plate, a ratchet wheel soil removing component connected with the conveying side plate, and a stem and leaf crushing component connected with the harvester frame. The multi-row power transmission assembly realizes power transmission of multi-row harvesting, is convenient for disassembly, replacement and maintenance, the root and sprout cutting component quickly cuts off the roots and sprouts, the stem and leaf crushing component realizes crushing and cutting of the stems and leaves, prevents winding and accumulation, improves the garlic harvesting efficiency, the soil shaking screen component and the ratchet wheel soil removing component remove the soil of the roots and sprouts, and can realize crushing and removal of the soil blocks.

The utility model relates to the technical field of agricultural equipment, and discloses a root vegetable crop pulling-out and cleaning mechanism which comprises a base plate, a conveying assembly arranged on the base plate, a guiding pulling-out frame set arranged at the input end of the conveying assembly and a stem and leaf cutting assembly arranged below the output end of the conveying assembly. The conveying assembly is obliquely arranged on the base plate, the conveying assembly is provided with a soil cleaning assembly on the front side of the stem and leaf cutting assembly, a transmission box is arranged above the conveying assembly, and the guiding pulling-out frame sets are arranged on the two sides of the bottom end of the conveying assembly; the conveying assembly and the stem and leaf cutting assembly are connected to the output end of the transmission box, and a feeding opening is formed in the end of the guiding pulling-out frame set in a splayed closing-up mode.

Disclosed are a straw collection device and a crop harvester. The straw collection device comprises: an outer box body, comprising a cover, an outer wall, and an outer bottom wall, with an air outlet provided on the outer bottom wall; an inner box body, housed within the outer box body, with a straw inlet provided on the inner box body that communicates with the outside, and at least one through-hole provided on at least a portion of the inner wall of the inner box body; an upper partition plate installed in the outer box body, with a first air collecting chamber formed between the upper partition plate and the inner bottom wall of the inner box body to collect unpurified gas flowing out of the through-holes of the inner box body; a lower partition plate installed below the upper partition plate, with a second air collecting chamber formed between the lower partition plate and the outer bottom wall of the outer box body; and multiple air purification devices installed between the upper partition plate and the lower partition plate, with the air inlet of each air purification device communicating with the first air collecting chamber and the air outlet of each air purification device communicating with the second air collecting chamber. By installing the air purification devices in the box body that accommodates the straw, the air exhausted from the box body is purified, reducing pollution to the ambient air.

The application discloses a carrot pulling device, system and method based on lever mechanism torque self-adaption, and belongs to the technical field of vegetable harvesting machinery and artificial intelligence, which comprises a moving device, a collecting device installed above the moving device, a pulling device installed at the front end of the moving device, and a conveying device for connecting the pulling device and the collecting device; an environment sensing device and a controller are further installed on the moving device, the input end of the controller is connected with the environment sensing device, and the output end is connected with the moving device and the pulling device. The environment sensing device and the controller are fully utilized for information fusion, the data processing capacity of the device is strengthened, the environment sensing capacity is improved, manual participation is not needed, the pulling device realizes real-time monitoring and adjustment of torque output through self-adaptive torque, the needs in different situations are met, the carrots are prevented from being damaged, the quality is ensured, process parameters are collected and analyzed, torque output is automatically adjusted, and accurate positioning and accurate pulling of the carrots are realized.

To solve a problem with a conventional work vehicle that workability in selection work for crops passing through a crop conveying device is not necessarily satisfactory sufficiently.SOLUTION: A work vehicle is a digger picker work machine, and includes: a crop harvesting device 200 for harvesting crops, which is arranged in the space between right and left front wheels 110, and right and left rear wheels 120; a crop conveying device 300 for conveying the crops harvested by the crop harvesting device 200 backward through the space between the right and left rear wheels 120; and a crop storage body 400 for storing the crops conveyed by the crop conveying device 300. The crop conveying device 300 includes a crop scooping conveyer 310 for scooping crops upward. and is provided with a robot arm 510 for performing crop selection work for selecting the crops before the crops scooped by the crop scooping conveyer 310 are stored in the crop storage body 400.SELECTED DRAWING: Figure 1

There is a root vegetable harvester in which a Seo Yi-ra for loosening soil around root vegetables such as Japanese radish is provided, and the root vegetables are pulled out from a field while holding the stems and leaves of the root vegetables. To solve the problem that a conventional Seo Yi-ra loosens soil on the side of a root vegetable, does not cut unnecessary roots at the lower end of the root vegetable, causes the roots to bite into a field when pulling out the root vegetable, has large pull-out resistance and inhibits good pull-out operation. To provide a vegetable harvester capable of carrying out good pulling out operation by providing a Seo Yi-ra with functions for cutting roots at the lower ends of root vegetables.SOLUTION: In a vegetable harvester provided with a Seo Yi-ra (21) for loosening soil around a crop (D) such as a radish growing in a field, and a pulling and conveying device (7) for pulling the crop (D) out of the field while holding foliage parts of the crop (D), the Seo Yi-ra (21) is provided with a root-cutting part 21b for cutting roots (R) extending downward from a lower end of the crop (D), and the Seo Yi-ra (21) is configured to be switchable between a working state of being plunged into the field to loosen soil and a housed state of being housed near a machine body above the field.SELECTED DRAWING: Figure 1

The invention provides an airflow guide potato stubble treatment method used before harvesting of a potato machine. The airflow guide potato stubble treatment method is characterized in that the potato stubble treatment method is divided into the four stages of a fine seedling vine blowing stage, a seedling vine missing and killing suspension stage, a seedling vine supporting stage and a seedling vine and seedling stubble clamping and pulling and ridge pressing and compacting stage; the potato stubble processing device comprises a fan, a broken seedling blowing pipe, a seedling vine suspension pipe, a seedling supporting device and a flexible seedling pulling mechanism, and high-speed airflow blown out of an air outlet of the fan can continuously blow out uniform high-speed airflow through air holes formed in the inner side of a fork and the side face parallel to the fork-shaped plane of the broken seedling blowing pipe. An air inlet of the fan continuously sucks air flow at a high speed through air holes formed in the inner side of a fork through a seedling vine suspension pipe, seedling vines which are missed to be killed by the seedling killing machine are sucked up to be in a suspension state, the front end of a curved surface of the seedling supporting device extends between the two sides of a potato ridge and the seedling vines, and ridge-imitating dense soil pressing components of the flexible seedling pulling mechanism are pressed and attached to the top and the two sides of the potato ridge. High-quality and high-efficiency separation of the potato stubbles can be realized, and the separation burden of subsequent mechanically-harvested potato seedlings is relieved.

The invention belongs to the technical field of mechanical harvesting of garlic, and particularly provides a soil and film removing device for garlic and a harvester, and is characterized in that the soil and film removing device for garlic comprises a clamping rod conveying assembly (1) used for clamping stems of garlic and conveying the garlic; the cleaning assembly is arranged below the clamping rod conveying assembly and used for cleaning the heads of the garlic in the conveying process. According to the soil and film removing device for the garlic, in the garlic conveying process of the clamping rod conveying assembly (1), the heads of the garlic pass through the cleaning assembly, soil, residual films and the like attached to the heads of the garlic are cleaned, the situation that the soil or the residual films are wound or stacked on a rotating component of a harvester is avoided, and meanwhile impurities do not need to be manually removed.

This invention discloses a pickled mustard tuber harvester and harvesting method, belonging to the field of agricultural machinery technology. The harvester includes a frame, a walking mechanism, a leaf removal and root cutting mechanism, a tuber head sweeping and separating mechanism, a battery, and a control box. The leaf removal and root cutting mechanism includes a mounting frame, a rotary drive, a rotary cutter disc, and a root cutting blade assembly; the rotary cutter disc has blades and arrayed flexible striking elements; the root cutting blade is suspended behind the rotary cutter disc via a flexible connector. The tuber head sweeping and separating mechanism includes a roller with a sweeping rod, a drum with flexible striking elements, and a bottom screen plate. During operation, the rotary cutter disc first removes most of the stems and leaves, the flexible striking elements beat away the remaining stems and leaves, and the root cutting blade drags and cuts the roots; the sweeping rod sweeps the tuber heads into the drum, and the flexible striking elements tumble the tuber heads to separate the stems, leaves, and soil before outputting them. This invention achieves integrated operation of leaf removal, root cutting, collection, and cleaning; leaf removal is thorough without damaging the tuber heads; root cutting adapts to the ground surface; the structure is simple and reliable; and it improves the efficiency and quality of pickled mustard tuber harvesting.

The invention provides a vegetable harvester which can improve the efficiency of continuous harvesting operation and reduce harvesting loss without damaging vegetables or dragging the vegetables due to a structure for crushing soil when the vegetables are pulled out of the soil. The vegetable harvester is used for harvesting vegetables from soil and comprises a traveling machine body; a pulling and conveying device which is provided on the traveling machine body and pulls and conveys the vegetables from the soil; a soil crushing unit (500) that crushes soil in the vicinity of the vegetables to be pulled by the pulling and conveying device; the soil crushing part (500) is provided with a soil crushing blade (55) extending in the left-right direction of the machine body, and the soil crushing supporting part (501) supports the soil crushing part (500) at the position below the drawing and conveying device, the soil crushing part (500) is provided with the soil crushing blade (55) extending in the left-right direction of the machine body, and the soil crushing supporting part (501) is arranged in the range where the soil crushing blade (55) extends in the left-right direction of the machine body.

A self-propelled one-ridge double-row white radish combine harvester comprises a walking chassis; the clamping device is mounted on the walking chassis; the tassel supporting device is arranged in front of the clamping device and used for gathering and supporting tassel leaves of white radishes to be harvested and feeding the tassel leaves into the clamping device along with forward movement of the walking chassis; the aligning and tassel cutting device is arranged behind the clamping device, the clamping device clamps tassel leaves of the white radishes to be harvested and conveys the tassel leaves to the aligning and tassel cutting device, and the aligning and tassel cutting device cuts off and separates the tassel leaves from the white radishes; the transverse conveying device is located below the aligning and tassel cutting device, and the separated white radishes fall to the transverse conveying device; and the lateral conveying device is arranged on one side of the walking chassis corresponding to the transverse conveying device and is used for lifting and conveying the white radishes separated from the leaves to an accompanying transport vehicle. The white radish harvesting efficiency can be greatly improved, and the fruit breakage rate is reduced.

The soil turning and harvesting device comprises a frame, a connecting rod is arranged at the front end of the frame, wheels are arranged on the left side and the right side of the bottom end of the frame, a harvesting plate is arranged below the frame, soil collecting plates are arranged at the left end and the right end of the harvesting plate, an adjusting assembly is arranged at the upper end of the harvesting plate, a motor is arranged at the upper end of the frame, and the bottom end of the motor is connected with a transmission shaft. A collecting box is arranged on the rear side of the harvesting plate, fixing rods are arranged on the left side and the right side of the upper end of the collecting box, the upper ends of the fixing rods are fixedly connected with the frame, and a plurality of evenly-distributed through holes are formed in the surface of the bottom end in the collecting box; according to the angelica sinensis soil turning and harvesting device, the height of the harvesting plate can be adjusted, stems and leaves can be removed, and angelica sinensis can be collected.

The application provides a multi-row self-propelled beet harvesting device with soil lifting and impurity screening, which comprises a top removing cutting device, a soil lifting and conveying device, a soil screening and impurity removing device, a conveying device, a chassis walking device and a storage box. The top removing cutting device lifts beets from the soil and cuts the top leaves of the beets, separates the cut top leaves from the edible part of the beets, and drops the edible part of the beets back to the soil. The soil lifting and conveying device lifts the edible part of the beets dropped back to the soil and conveys them to the rear soil screening device. The soil screening and impurity removing device screens and cleans the edible part of the beets conveyed by the soil lifting and conveying device. The conveying device lifts the cleaned beets from the soil screening and impurity removing device and conveys them to the storage box. The application realizes the functions of beet lifting, leaf removing, impurity removing, conveying and harvesting, integrates multiple processes, reduces subsequent processing, realizes efficient top leaf removing and impurity cleaning during the beet harvesting process, and improves the efficiency and quality of the harvesting.

The utility model relates to the technical field of agricultural machinery, in particular to a ridge-like potato vine cutting machine knife roll, which comprises a knife shaft, more than three groups of mounting seats are axially arranged on the knife shaft at intervals, two adjacent groups of mounting seats are arranged in a staggered manner in the circumferential direction, and flail knives are arranged on the mounting seats. And the sum of the lengths of the more than three groups of mounting seats and the corresponding flail knives is gradually increased from the middle to the two ends of the knife shaft. According to the ridge-like potato vine cutting machine knife roll, more than three groups of mounting seats are arranged on the knife shaft in a staggered manner, the mounting seats are used for mounting flail knives with different lengths, the shorter flail knives correspond to the ridge top, the longer flail knives correspond to the ridge side, and the mounting seats with different length specifications and the flail knives are combined and reasonably arranged, so that the ridge-like potato vine cutting machine knife roll is formed. According to the potato vine cutting machine, ridge-like vine cutting is carried out on potato vines through multi-stage cutting diameters, the smashing effect is good, stubbles of the potato vines on the ridge tops are short, damage to potato blocks is small, meanwhile, operation is stable, impact is small, the stability of the whole machine is good, and vine removing completeness and precision are high.

The present disclosure provides a fertilization operation control method and apparatus, a medium, a device, and a system. The method comprises: acquiring a real-time concentration index parameter measured by a fertilizer solution measurement apparatus; on the basis of the real-time concentration index parameter, determining a target moment when a fertilizer solution concentration reaches the maximum concentration value; and upon determining the target moment when the fertilizer solution concentration reaches the maximum concentration value, adjusting the opening proportion of a control valve in real time on the basis of the real-time concentration index parameter and a target remaining fertilization duration corresponding to the target moment. The opening proportion of the control valve is automatically adjusted in real time on the basis of the real-time concentration index parameter and the target remaining fertilization duration, thereby reducing the number of manual adjustments of the control valve, and improving the convenience of use. By adjusting and optimizing a concentration attenuation rate in a fertilization process in real time, the fertilizer concentration changes more gently within different time periods, and the fertilization effect of the fertilizer solution is improved.