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43results about How to "Reduce Harvest Loss" patented technology

Profiling anti-blocking leaf vegetable harvester and control system and method control thereof

The invention belongs to the field of agricultural machinery, and relates to a profiling anti-blocking leaf vegetable harvester and a control system and a control method thereof. The profiling anti-blocking leaf vegetable harvester comprises a reel assembly, a header assembly, a header chassis connecting assembly, a header chassis limiting assembly, a collecting device, two header adjusting assemblies, a chassis assembly, two ridge surface detecting assemblies and a control system, wherein the reel assembly is installed at the front part of the header assembly; the header assembly is connectedto the chassis assembly through the header chassis connecting assembly; the header chassis limiting assembly is installed between the header assembly and the chassis assembly; the collecting device is installed at the rear part of the chassis assembly; the two header adjusting assemblies are transversely and symmetrically installed between the header assembly and the chassis assembly and are usedfor adjusting the postures of the header assembly in the transverse direction and the longitudinal direction; and the two ridge surface detecting assemblies are transversely and symmetrically installed in front of the lower part of the header assembly. The functions of ridge surface self-adaption in the transverse direction and the longitudinal direction of the cutting height, reel rotating speedself-adaption operation speed, intelligent anti-blocking regulation and the like are achieved, low loss rate of leaf vegetable harvesting is guaranteed, and the leaf vegetable harvesting quality is improved.
Owner:JIANGSU UNIV

Header profiling device, control system and method thereof and harvester

The invention belongs to a header profiling device, a control system and method thereof and a harvester, and belongs to the field of agricultural machinery. The header profiling device comprises a profiling detection assembly, a header profiling adjustment assembly, a header lifting execution assembly, a header chassis hinge assembly and the control system. The profiling detection assembly is mounted in front of a header; the header profiling adjustment assembly is mounted at the front part of the header; the header lifting execution assembly is mounted between the header and a chassis; and the header chassis hinge assembly is arranged between the header and the chassis. Header position control in a transportation state and a header profiling harvesting operation state is realized throughthe header profiling adjustment assembly and the header lifting execution assembly; and the distance between a cutter and a ridge surface is detected by the control system for the profiling detectionassembly, the influence of the system profiling information lead amount is solved through a mathematical model, then the header profiling adjustment assembly is controlled to conduct transverse and longitudinal adjustment on the header so as to ensure that a certain distance can be kept between the cutter and the ridge surface, and the leaf vegetable harvesting loss and the cutter entering-soil damage caused by improper height adjustment of the cutter are reduced.
Owner:JIANGSU UNIV

Multifunctional drawer type header for grain combine harvester

The invention relates to a multifunctional drawer type header for a grain combine harvester. Each of left and right sides of the header is provided with a drawer type rear end and a drawer type front end, and left and right ends of a conveying device are connected with the left and right drawer type rear ends respectively. Left and right ends of a cutting device are connected with the left and right drawer type front ends respectively, and a divider is connected to each drawer type front end. The drawer type rear ends and the drawer type front ends form drawer type connection through inner drawer type slide rails and outer drawer type slide rails, and extension and retraction of the left and right drawer type front ends are controlled by header depth regulation hydraulic cylinders. Rear ends of left and right reel frames are rotatably connected to a shell of the header, left and right ends of an eccentric reel are connected with the left and right reel frames respectively, and the position of the eccentric reel is adjusted through a reel horizontal position adjusting hydraulic cylinder and a reel vertical position adjusting hydraulic cylinder. The multifunctional drawer type header is applicable to harvesting of crops different in type and height, quick switching of various crop harvesting modes is realized, harvesting loss is reduced, and utilization rate of the header is increased remarkably.
Owner:CHINA AGRI UNIV

Harvesting machine and harvesting platform thereof

The invention relates to a harvesting machine and a harvesting platform thereof. The harvesting platform includes a supporting shell having a bottom support wall, a left support wall and a right support wall, a cutter assembly and a crop-pulling transportation mechanism; the crop-pulling transportation mechanism includes a driving shaft located on the lower side on the rear end of the supporting shell and an upper transmission shaft located on the upper side on the front end of the supporting shell; the driving shaft and the upper transmission shaft are rotatably installed on the left and right support walls; annular traction elements having poking members are wound on the driving shaft and the upper transmission shaft in a transmission manner; and when the annular traction elements move,the parts, close to the cutter assembly, of the annular traction elements are used for poking crops into the shell, and the parts, away from the cutter assembly, of the annular traction elements are used for backward poking and transporting the crops to the device, located on the rear side of the harvesting platform of the harvesting machine, of the harvesting machine. The front sides of the annular traction elements can achieve the effects of poking the crops, and the rear sides of the annular traction elements can achieve transportation effects; and through the combination of the functions of crop-poking wheels and conveying devices in traditional harvesting platforms of harvesting machines, the structure of the harvesting platform of the harvesting machine can be simplified, and the size of the harvesting platform of the harvesting machine can be reduced.
Owner:HENAN UNIV OF SCI & TECH

Reel rotating speed adjusting device for reducing harvesting loss and control method

ActiveCN114342665AMatch forward speedForward speed matching adjustmentOutside dividersHydraulic motorElectric machinery
The invention provides a reel rotating speed adjusting device for reducing harvesting loss and a control method, a reel is provided with a reel adjusting device, and the reel rotating speed adjusting device further comprises a sensor, a hydraulic motor, a stepping motor, a controller and a height adjusting device; the hydraulic motor is used for driving the reel turntable to rotate; the height adjusting device is used for adjusting the height of the reel; the controller determines a reel speed ratio and judges whether the radius of the reel or / and the height of the header or / and the mounting height of the reel needs to be adjusted or not according to the reel speed ratio; the controller determines a target value of the rotating speed of the reel according to the advancing speed of the header; the controller obtains the output quantity through a fuzzy PID algorithm according to the rotating speed difference between the target value and the actual rotating speed of the reel, and the controller controls the proportional electromagnetic valve to adjust the opening degree according to the output quantity. When different crops are harvested, the rotating speed of the reel is matched with the advancing speed, the failure rate of the harvester is reduced, and header loss is remarkably reduced.
Owner:JIANGSU UNIV

Copying cutting platform for cutterhead of sugarcane harvester

PendingCN113498675AImprove accuracyReduce broken headHeadersHydraulic cylinderControl system
The invention relates to a copying cutting platform for a cutterhead of a sugarcane harvester. The platform comprises a cutterhead lifting system, a cutterhead driving system, a cutterhead height automatic adjusting control system and a rack. The cutterhead lifting system is arranged on two longitudinal beams at the front end of the rack. The cutterhead driving system is arranged on a bottom cross beam of the rack and is positioned at the rear end of the rack. The cutterhead height automatic adjusting control system is arranged on an inclined right cross beam of the rack. According to the platform, an angle sensor is adopted to measure the relative angle of a copying wheel and a copying rod, a controller calculates the actual height of the cutterhead through a cutterhead height mathematical model, then an electromagnetic reversing valve is controlled to be switched on and switched off, a hydraulic cylinder is controlled to stretch out and draw back, and the purpose of controlling the cutterhead height in real time is achieved. The hydraulic cylinder is used for automatically adjusting the height of the cutterhead instead of manual adjustment, the accuracy of the height of the cutterhead is greatly improved, and harvesting loss and sugarcane head breaking can be reduced. The platform is simple in structure, low in manufacturing cost, convenient to repair and maintain and high in practicability.
Owner:CHINA AGRI UNIV

A Multifunctional Drawer Header for Grain Combine Harvester

The invention relates to a multifunctional drawer type header for a grain combine harvester. Each of left and right sides of the header is provided with a drawer type rear end and a drawer type front end, and left and right ends of a conveying device are connected with the left and right drawer type rear ends respectively. Left and right ends of a cutting device are connected with the left and right drawer type front ends respectively, and a divider is connected to each drawer type front end. The drawer type rear ends and the drawer type front ends form drawer type connection through inner drawer type slide rails and outer drawer type slide rails, and extension and retraction of the left and right drawer type front ends are controlled by header depth regulation hydraulic cylinders. Rear ends of left and right reel frames are rotatably connected to a shell of the header, left and right ends of an eccentric reel are connected with the left and right reel frames respectively, and the position of the eccentric reel is adjusted through a reel horizontal position adjusting hydraulic cylinder and a reel vertical position adjusting hydraulic cylinder. The multifunctional drawer type header is applicable to harvesting of crops different in type and height, quick switching of various crop harvesting modes is realized, harvesting loss is reduced, and utilization rate of the header is increased remarkably.
Owner:CHINA AGRI UNIV

A header profiling device, its control system and method, and a harvester

The invention belongs to the field of agricultural machinery and relates to a header profiling device, its control system and method, and a harvester, comprising a profiling detection assembly, a header profiling adjustment assembly, a header lifting execution assembly, and a header chassis hinge assembly and control system. The profiling detection assembly is installed in front of the header; the header profiling adjustment assembly is installed in the front of the header; the header lifting execution assembly is installed between the header and the chassis; the header chassis hinge assembly is installed in the header between the chassis. The position control of the header in the transportation state and the harvesting operation state of the header copying is realized through the header copying adjustment assembly and the header lifting execution assembly; the distance between the cutting knife and the ridge surface is detected by the control system for the copying detection assembly The mathematical model is used to solve the influence of the advanced amount of system profiling information, and then control the header profiling adjustment assembly to adjust the header horizontally and vertically to ensure a certain distance between the cutter and the ridge surface, and reduce the blade height caused by improper adjustment of the cutter height. Harvest loss of vegetables and damage of knives into the soil.
Owner:JIANGSU UNIV

Floating header and a combine harvester comprising the same

The invention provides a floating header and a combined harvester with the same. The floating header comprises a slide plate group, a plate spring group and a fine adjustment floating mechanism. The slide plate group is positioned at the bottom of a header, and the fine adjustment floating mechanism comprises a cutter floating assembly; the fine adjustment floating mechanism comprises tension springs, a guide rod and roller trains; the slide plate group comprises a plurality of large and small slide plates; one end of each plate spring is fixed onto the corresponding slide plate, and the other end of each plate spring backwardly and downwardly extends to be hinged onto a rear main frame of the header by a hinge pin; one end of each tension spring is fixed to the end, which is close to a cutter, of the corresponding plate spring, and the other end of each tension spring is hung on a front lower main frame of the header by the aid of a long bolt; one end of the guide rod is hinged onto the plate springs, the upper portion of the guide rod is limited in the certain roller train, and the guide rod can slide up and down under the effect of the certain roller train; the roller trains are fixed onto frames on the side walls of the header. The floating header and the combined harvester have the advantages that the productivity can be effectively improved when grains are harvested by the combined harvester, and the grain harvest loss can be reduced.
Owner:NANJING AGRI MECHANIZATION INST MIN OF AGRI

A small creeping peanut digging harvester for mulching planting

The invention relates to a peanut harvesting machine, which is a small creeping peanut digging and harvesting machine for film-covered planting. A digging shovel (2) with a pointed front is arranged horizontally at the lower end of the front end of the frame, and the excavating shovel (2) ) to the rear cross bar configuration of the rectangular frame from the lower front to the rear upper toothed conveyor chain (3); respectively configure a guide plate (4) at the both sides of the toothed conveyor chain (3); A pair of toothed rotary cylindrical cylinders (7) are arranged between the guide plates (4): the toothed rotary cylindrical cylinders (7) are a plurality of rows of metal ring gears perpendicular to the axis protruding from the outer surface of the cylindrical cylinder. It is a triangular tooth plate protruding along the circumference, and the outer surface of the gear ring is covered with rubber coating; two left and right turning plates (8) are arranged behind the toothed rotary cylindrical cylinder (7), and the upper surface of the turning plate (8) Extending opposite to each other and the upper surface goes downwards through a rotating shape and smoothly transitions to the upper surface facing downwards. The invention overcomes the drawbacks of the prior art in domestic peanut fields covered with agricultural film that are easy to be entangled, clamped rods, and clamped fruits, and can give full play to the advantages of large-scale mechanized harvesting.
Owner:山东卧龙种业有限责任公司

Granulator

The invention relates to a granulator which comprises a pickup device, a granulation compression roller, an upward conveying mechanism, a screening mechanism, a horizontal conveying mechanism and a granule bin. The pickup device sequentially comprises a grass pressing roller, a pickup device main body, a guide mechanism, a crusher and a feeding conveyor belt from front to back; the granulation compression roller comprises two rollers which rotate oppositely and are meshed, and holes communicated with the interiors of the rollers are distributed in the rollers in a matrix manner; a material conveying groove is formed in each roller in the axial direction of the roller, and a second spiral blade is arranged in each material conveying groove; the feeding conveyor belt extends to the position between the two rollers from the position below the crusher; and the material conveying grooves are communicated with the upward conveying mechanism, the upward conveying mechanism is communicated with the screening mechanism, the screening mechanism is communicated with the horizontal conveying mechanism, and the horizontal conveying mechanism is communicated with the granule bin. The granulator is simple in structure, straw is directly smashed and granulated after being picked up, a drying chamber is omitted, and granulated particles are conveyed to the open type granule bin.
Owner:ZOOMLION HEAVY MASCH CO LTD

Non-lining corn stalk harvesting machine header adapting to different plant diameters

The invention relates to a non-lining corn stalk harvesting machine header adapting to different plant diameters. A grain gathering rod is fixedly connected with the front end of a steering shaft bracket, and grain dividing teeth are installed on the end head of a lower cross beam of the front end of a header rack in a uniformly-spaced mode; a first disk saw blade and a second disk saw blade are installed at the lower ends of inner shafts of a concentric sleeve shaft, and a first grain poking roller and a second grain poking roller are installed on outer shafts of the concentric sleeve shaft; and the inner shafts and the outer shafts of the concentric sleeve shaft are connected with each other through bearings, and the inner shafts of the concentric sleeve shaft are installed on the lower cross beam of the front end of the header rack side by side. The non-lining corn stalk harvesting machine header can harvest corn stalks with different plant diameters, different planting densities and different heights in different seasons; under the clamping delivery of the grain gathering rod at the front end of the header, the grain dividing teeth and grain poking teeth on a pair of grain poking rollers, crop stalks are cut off by the saw blades and then are fed in from the root part, the stalks are uniformly arrayed and are tidily fed in, the feeding is smooth, and the blocking is not easily generated; and the harvesting loss is small, the power consumption is low, and the production efficiency is high.
Owner:常蓬彬

Sugarcane planting and managing method for eliminating wide-narrow row craters

The invention belongs to the technical field of sugarcane planting, and particularly relates to a sugarcane planting and management method for eliminating wide-narrow row craters. The method comprises the following steps: (1) preparing soil; (2) preparing sugarcane seeds; (3) performing planting; (4) managing fields; (5) conducting harvesting. According to the application, by combining a planting mode with mechanical improvement, and by adopting a wide-narrow row planting mode, sugarcanes are planted in deep planting furrows, so that the sugarcanes are not liable to suffer from drought to influence germination; meanwhile, by improving planting machinery, when sugarcanes are planted, raised mounds are built between every two narrow rows of sugarcanes, and soil between every two narrow rows of sugarcanes is basically turtle-back-shaped through mechanical intertillage ridging, so that craters formed in the ridging process of the conventionally planted sugarcanes can be eliminated, and therefore, the lodging resistance of sugarcanes can be improved; by combining the technologies of fertilizer management optimization, coating agent adjustment, and the like, the sugarcane yield can be improved, mechanical harvesting loss is reduced, farmer income is increased, and the whole process of sugarcane mechanization planting management is promoted.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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