641 results about "Combine harvester" patented technology

Weed seeds are destroyed in the chaff from a combine harvester by primary and secondary destructors where the primary feeds to the secondary. The secondary can use repeated high speed impacts caused by a rotor mounted in one of a pair of side by side housings which accelerate the discarded seeds in a direction centrifugally away from the rotor onto a stator including angularly adjustable stator surfaces around the axis. The primary can also use an impact arrangement of a different and simplified structure or can use another destruction modality such as radiation. The primary is mounted at a transfer device including a transverse auger which carries the chaff and weed seeds from the rear of the sieve to the secondary.

A system and method for generating a guidance path for automated navigation of large agricultural equipment. Vehicle path data from leading vehicles can be recorded, stored or inputted into the system for generation of guidance paths offset from the swaths traversed by the leading vehicle. Combines, planters sprayers and other vehicles utilizing guidance system can be used to record leading vehicle data for use by the following vehicle in real time or in subsequent cycles. Enterprise systems can manage multiple grain carts and / or combines or other vehicles to maximize efficiency.

The invention discloses an automatic path tracking method and system for a crawler-type combine harvester, and belongs to the technical field of unmanned driving of agricultural machinery, and the method comprises the following steps: automatic on-line: obtaining a current position and a current course, carrying out transverse deviation calculation and judgment, adjusting the advancing direction of the harvester, and enabling the harvester to be on-line rapidly; linear path tracking: calculating a transverse deviation and a course deflection angle in real time and finely adjusting the harvester; performing current operation path termination judgment: performing distance judgment, angle judgment and area judgment on the current position of the harvester to obtain a current operation path termination judgment result, and determining whether the harvester reaches the terminal point of the current operation path or not; and right-angle turning: performing right-angle turning to realize accurate line feed operation of the harvester. According to the invention, the problem that the working efficiency is low due to the fact that the existing tracked vehicle cannot quickly go on line and control right-angle turning is solved. According to the method, high-precision path tracking is ensured, and meanwhile, the working efficiency and the stability of a control system are improved.

The present disclosure includes devices methods and systems for detecting lost crop in a work machine operation. The method may include receiving ground speed data from one or more speed detection systems. The method may include receiving crop condition data from one or more feed data sensors. The method may include determining one or more crop condition states based at least in part on one or more of the ground speed data and the crop condition data. The method may include determining lost crop based at least in part on the one or more crop condition states. The method may include adjusting one or more combine operation parameters based at least in part on the determination of lost crop.

The present invention relates to the technical field of agricultural equipment intelligence, and relates to a combine harvester speed control method and control system. The combine harvester speed control method comprises: acquiring the phenotypic characteristics of a crop and the operation speed and the working width of the harvester; inputting the phenotypic characteristics, the operation speed and the working width into a feed rate prediction model to output a feed rate prediction value; calculating a first speed control value on the basis of the feed rate prediction value and a feed rate rated value so as to adjust the speed of the harvester to a first speed; acquiring mechanical characteristics of the harvester after the crop enters the harvester; inputting the phenotypic characteristics and the mechanical characteristics into a feed rate detection model to output a feed rate accurate value, wherein the feed rate detection model is a multi-modal detection model obtained by means of data pre-training; and calculating a second speed control value by means of a speed fine-control model on the basis of the feed rate accurate value and the feed rate rated value so as to adjust the speed of the harvester to a second speed.

The invention discloses a soybean low-crushing threshing multivariable collaborative optimization control method and system, and relates to the field of agricultural machinery automation control. The method comprises the following steps: acquiring grain harvesting and threshing related data at the current moment; based on grain harvesting and threshing related data, soybean low-crushing threshing multivariable cooperative control is carried out, and the rotating speed of a target roller and the opening degree of a concave grid are solved; and outputting a control instruction according to a solving result to realize online regulation and control of the rotating speed of the roller and the opening degree of the concave sieve. The intelligent level of the grain combine harvester can be effectively improved, high-quality and low-loss harvesting of grain harvesting is achieved, grain saving and loss reduction of grain harvesting are achieved, and agricultural economic benefits are effectively improved.

The invention relates to the technical field of agricultural machinery blockage detection, and discloses a combined harvester blockage detection method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining a hydraulic pressure signal time sequence of a first preset part of a combined harvester, and a vibration signal time sequence of a second preset part, obtaining a material distribution image of the combine harvester; and inputting the hydraulic pressure signal time sequence, the vibration signal time sequence and the material distribution image into a trained blockage detection model to obtain a predicted blockage position. By integrating various sensor data, the running state of the machine is comprehensively captured, the accuracy of blockage position judgment is improved, and therefore the overall working efficiency and economical efficiency of the combine harvester are improved.

Combine harvesters may include crop processing systems having a grate subassemblies with flaps that, in some instances, are divided into groups that are independently movable and moveable in opposite directions between a fully open position and a fully closed position. Further, each of the grate assemblies may include an actuator that is operable to actuate simultaneously a portion of the flaps on each of the grate assemblies.

The invention discloses a combine harvester reel speed self-adaptive adjustment method, and relates to the technical field of agricultural machinery, and the method comprises the steps: obtaining the current vehicle speed and the current reel linear speed of a combine harvester to be adjusted according to a self-adaptive starting instruction given by a user; when the current reel linear speed is larger than the maximum value corresponding to the current vehicle speed and meets a first preset condition, the speed regulation current output value in the next speed regulation period is controlled to be reduced by a first preset numerical value, and the speed regulation current is used for adjusting the rotating speed of a reel so that the reel speed of the combine harvester to be adjusted can reach the target reel speed; and when the current reel linear speed is smaller than the minimum value corresponding to the current vehicle speed and a second preset condition is met, the speed regulation current output value in the next speed regulation period is controlled to be increased by a second preset numerical value. The device can ensure that the speed of the reel is always in a reasonable range matched with the vehicle speed, so that the quality and efficiency of harvesting operation are effectively improved.

In a combine harvester, a hinged door provides access to an aperture in a wall of a walled compartment. A camera may be attached to the door, for monitoring the interior of the compartment. The door is configured to be locked and unlocked by an overcenter mechanism and requires an auxiliary tool for locking and unlocking the mechanism. The mechanism includes a pivotable rod pivotable about a first pivot axis relative to the door, and an overcenter arm that is pivotable at one end relative to a lever fixed to or integral with the rod. The other end of the overcenter arm is attachable to the wall including the aperture covered by the door. The overall dimensions of the mechanism are such that pivoting the rod to thereby lock or unlock the mechanism requires an auxiliary tool. A wrench or similar gripping tool may be used for pivoting the rod.

The utility model belongs to the technical field of mechanical structures, and particularly relates to a hybrid power system of a combine harvester, which comprises a master controller, a battery component, a generator, a threshing mechanism, a header conveying mechanism, a diesel engine, a traveling mechanism, a fan device and an auger vibrating screen mechanism. The battery assembly and the generator are electrically connected with the master controller. The diesel engine is electrically connected with the master controller through the engine controller; the threshing mechanism and the header conveying mechanism are electrically connected with the master controller through the electric drive unit. The power output end of the diesel engine is sequentially connected with the fan device, the walking mechanism and the generator, and a clutch I is arranged between the walking mechanism and the diesel engine; and the auger vibrating screen mechanism is in transmission connection with the power output end of the fan device. According to the technical scheme, energy utilization and economical efficiency are both considered, pollutant emission is reduced, endurance and operation efficiency is improved, power transmission control is flexible, mechanism driving modes are diversified, and many disadvantages of a traditional power system are overcome.

The invention relates to the technical field of operation path planning, in particular to a combined harvester wetland operation path planning method based on particle swarm optimization, and the method comprises the following steps: S1, building a wetland passage probability model, and outputting the passage probability value of each position point; s2, constructing a rasterized passable probability matrix based on the pass probability values output in S1; s3, designing a wetland fitness weight function taking a path point passing probability accumulated value as a core; s4, executing a particle swarm optimization algorithm, and outputting a global optimal path point sequence; and S5, performing arc interpolation processing on the global optimal path point sequence output in the S4 to generate an operation path. According to the method, through fusion of passage probability modeling and arc interpolation optimization, a continuous and feasible wetland operation path is generated on the premise of meeting the turning constraint of the combine harvester, so that the path trafficability and the operation execution stability are improved.

Upon detection of a header slip or stall event involving one or more driven bodies of a header of a combine harvester, the header can be moved out of the crop material, and a drive system is disengaged. An auxiliary action can automatically displace a component(s) of the header to a location that can assist with clearing a blockage from the header. A driver of the drive system is automatically operated in reverse to displace the driven body(ies) in a direction that can move the blockage out of the header. The drive system can then automatically reengage, and, in connection with determining if the blockage has been cleared from the header, the driven bodies can again be driven in a direction associated with harvesting crop material. If the blockage is not cleared, a determination can be made as to whether an attempt can again be made to clear the blockage.

The invention provides a corn combine harvester detection control system, and the system comprises a kernel breakage rate detection module which is used for obtaining a kernel breakage rate according to a kernel image; the grain moisture content detection module is used for obtaining the grain moisture content according to the capacitance target value; the grain loss rate detection module is used for acquiring a transient charge signal generated when grains collide with the surface of the PVDF film sensor, conditioning the transient charge signal to obtain a target signal, and determining the grain loss rate according to the target signal; and the data processing and control module is used for obtaining the target kernel breakage rate, the target kernel moisture content and the target kernel loss rate, and outputting an operation parameter control signal of the corn combine harvester according to the target kernel breakage rate, the target kernel moisture content and the target kernel loss rate. According to the application, the kernel breakage rate, the kernel moisture content and the kernel loss rate can be synchronously detected in the operation process of the corn harvester, and automatic closed-loop optimization adjustment of operation parameters is realized.

The present application relates to the technical field of agricultural machinery. Disclosed are a hybrid combine harvester, and a control method and a controller therefor. The harvester comprises: a hybrid system comprising a power battery and a range extender composed of an engine and a generator; an operation system comprising a plurality of operation components and a plurality of operation electric motors enabling each operation component to be driven by an electric motor; a traveling system comprising traveling wheels and traveling electric motors for driving the corresponding traveling wheels; and a control system comprising a vehicle controller and a plurality of electric motor controllers respectively corresponding to the operation electric motors, the traveling electric motors and the generator. The hybrid system supplies, in response to a power control strategy of the control system, power to corresponding electric motors in the operation system and the traveling system, so as to drive the harvester to travel and operate. The present application realizes a full electric-drive hybrid solution of the harvester, and avoids the problem of efficiency caused by multi-stage mechanical transmission of a traditional harvester.

A dynamically operated concave threshing bar system, method, and apparatus wherein one or more threshing bars within a concave can dynamically move to various positions in real-time based on one or more conditions such as the type crop being harvested and on a determination by a combine harvester's computerized system, artificial intelligence (AI) system, or upon the operators' input, among others. The concave can include a concave frame having a pair of arcuate side members, a threshing bar, and an actuator coupled to the threshing bar, wherein the actuator can be configured to move the threshing bar along the arcuate side members of the concave frame.

The invention relates to the technical field of agricultural harvesting equipment, in particular to an awn crushing, threshing and cleaning device of a highland barley combine harvester. Wherein the threshing cylinder is divided into a front end awn crushing section and a rear end threshing section, two sections of spike teeth are driven to rotate reversely through a coaxial reversing mechanism, a feeding auger and an awn crushing fan are arranged at the front end, and material conveying and preliminary wheat awn scattering are synchronously achieved; an anti-blocking and unblocking roller device is assembled on the outer side of the arc-shaped concave plate, and screen hole clamping objects are carded in real time; a top cover plate of the threshing cylinder is provided with a sectional type material guide plate, a hydraulic spike tooth assembly and a feeding quantity sensor, and the material accumulation working condition is dynamically adapted; the controllable fan is provided with a variable frequency drive and an adjustable air guide plate, and the air speed and the airflow direction can be adjusted according to working conditions. All the modules work cooperatively through the controller, threshing-awn crushing-cleaning integrated operation of highland barley is achieved, threshing thoroughness, awn processing efficiency and cleaning precision can be improved, manual intervention is reduced, and the requirement for large-scale highland barley harvesting is met.

The invention discloses a decoupling method of an integrated six-dimensional force sensor for a combine harvester, and belongs to the technical field of sensor application. The sensor adopts a Y-shaped three-beam radial symmetric structure, and highly integrates a belt wheel function and a six-dimensional force detection function: establishing an elastomer structure simplified mechanical model, establishing a semi-analytical method model, and analyzing to obtain a strain distribution rule under a uniaxial load. Acquiring a sensor geometric structure and a strain gauge measurement position which meet design requirements according to a strain distribution rule; a multi-output least square support vector regression machine is adopted, hyper-parameters are optimized through grid search, a high-precision mapping model from an electric signal to a six-dimensional load is constructed, the decoupling precision is greatly improved, the whole process innovation from the structure to stress analysis to decoupling is realized, and the method is suitable for large-scale popularization and application. The device is especially suitable for agricultural machinery scenes with limited space and complex load, such as combine harvesters.

An agricultural work machine and a method for operating an agricultural work machine. The agricultural work machine, which may comprise a combine harvester or forage harvester, may include a visualization device configured to display image data and process data, a monitoring device with a camera system for detecting fields of view in the surroundings of the agricultural work machine, a cleaning system to clean the camera system, and a data processing unit. The data processing unit is configured to generate context-relevant process data of the agricultural work machine and image data based on the detected fields of view. The cameras of the camera system may be attached to at least one support structure of the agricultural work machine and with fixed spatial assignment to one another.

The invention relates to the technical field of agricultural machinery, and discloses an intelligent dynamic regulation and control method for cleaning operation of a rice and wheat combine harvester, which comprises the following steps: setting an operation parameter initial value of a cleaning device according to operation condition information; the cleaning loss rate, the cleaning impurity rate and operation parameters are monitored in real time; the data obtained through real-time monitoring are compared with a preset threshold value, and the cleaning operation state is evaluated; the regulation and control priority is judged based on the combination of the cleaning loss rate state and the cleaning impurity rate state obtained through evaluation; a corresponding rule set is matched according to the judged priority and the cleaning operation state, and a parameter regulation and control decision is generated; calculating and executing parameter adjustment based on a parameter regulation and control decision, and performing loop iteration control after evaluating a regulation and control effect; automatic optimization of cleaning operation of the rice and wheat combine harvester is achieved through the intelligent dynamic regulation and control technology, manual intervention is not needed in the whole regulation and control process, cleaning parameters can be automatically adjusted according to field condition changes, and it is guaranteed that the cleaning loss rate and the impurity rate are stabilized within the ideal range.

A stripping header of the combine harvester comprises a left side plate and a right side plate, a stripping roller and a conveying roller are arranged between the left side plate and the right side plate, and seedling pressing noses are rotationally arranged at the front ends of the left side plate and the right side plate; the stripping roller comprises a left roller shaft and a right roller shaft, a plurality of polygonal mounting plates are arranged on the roller shaft at intervals in the axial direction, roller plates are arranged on the side line sides of the polygonal mounting plates in the left-right direction, and the inner surfaces of the roller plates are tightly attached to the side line sides, in the same plane, of the polygonal mounting plates. Clamping plates are arranged on the two long edge sides of the roller plates, a stripping plate is clamped between the clamping plates of the adjacent roller plates, and a plurality of stripping teeth are arranged on the stripping plate in the left-right direction at intervals. By arranging the corresponding stripping header, the phenomenon of seed stagnation is effectively avoided, the number of broken wheat plants is greatly reduced, and the combined harvesting efficiency of plot breeding wheat is improved.

This invention relates to the field of forage seeds, disclosing an efficient and low-loss combined harvesting method and system for forage seeds based on the Internet of Things (IoT). The method includes: sending a detection laser from a combine harvester in the forward direction, and receiving the reflected laser in the combine harvester; constructing a density map and height map of forage plants in the forward direction; adjusting the height of the cutting module to obtain a cutting module with adjusted height; adjusting the perimeter of the conveying module using the height map to obtain a conveying module with adjusted perimeter; adjusting the size of the sieve aperture of the threshing module using the particle diameter to obtain a threshing module with adjusted sieve aperture; adjusting the wind speed of the separation module to obtain a separation module with adjusted wind speed; and completing the combined harvesting of forage seeds using the height-adjusted cutting module, the perimeter-adjusted conveying module, the sieve-aperture-adjusted threshing module, and the wind speed-adjusted separation module. This invention enables efficient and low-loss adjustment of the combine harvester through IoT technology.

A process for generating directional information indicating a target direction for a combine harvester. Point cloud data representing a region ahead of the harvester is obtained and processed to identify a target region enclosing a representation of unharvested crop. The directional information is generated by processing an edge of the target region to determine a target direction that would result in the harvester harvesting the edge of the unharvested crop.

The invention provides a self-propelled potato combine harvester with a residual film recovery device, belongs to the technical field of agricultural machinery, and solves the problems of high soil carrying amount, residual film winding, large potato block damage and the like in film-covered potato harvesting. The machine comprises a main machine frame, a crawler belt walking mechanism, a power system and a harvesting mechanism, a secondary soil shaking conveying mechanism, a secondary soil shaking screening mechanism, a lifting conveying mechanism, a cleaning conveying mechanism and a bag hanging mechanism which are arranged in the advancing direction, and a continuous operation chain is formed. The core is that the harvesting mechanism is integrated with a residual film recovery device, and the front recovery of the residual film is realized through film guiding, film pressing, reciprocating film pulling and winding. The whole machine is of a multi-stage soil shaking and screening and low-damage conveying structure, a power system achieves power distribution and speed regulation through a hydraulic electromagnetic valve set, and all the mechanisms are assembled in a modularized mode to adapt to different soil textures and ridge types. The potato harvester integrates harvesting and residual film recycling, is high in potato cleaning rate, low in potato block damage, high in continuous operation capacity and convenient to maintain, and meets the large-scale and green potato production requirements.

The present invention aims to provide a combine harvester that can maintain good threshing performance by improving the feeding of grain stalks into the threshing device, even when a large amount of grain stalks are sent to the threshing device. [Solution] In a combine harvester, a threshing device 4 is mounted on the machine frame 1, in which a threshing cylinder 11 is pivotally supported in a threshing chamber 10, a plurality of grain stalk feeding guides 60 are provided in the threshing chamber 10, and a receiving net 12 surrounds the lower half of the threshing cylinder 11. The threshing device of the combine harvester is characterized in that the spacing La of the front grain stalk feeding guides 60a provided on the front end side of the threshing cylinder 11 is narrower than the spacing Lb of the intermediate grain stalk feeders 60b provided in the middle part of the threshing cylinder 11.

Generating a desired position for a first vehicle from a next position of an implement attached to the first vehicle is described. A current position of the implement is obtained. The next position of the implement is identified. A desired position of the first vehicle is derived from the next position of the implement. The desired position and the next position are such that when the first vehicle is at the desired position, the implement is at the next position. The next position of the implement may be based on a position of a second vehicle. In an example, the first vehicle may be a tractor, the implement may be a grain cart, and the second vehicle may be a combine harvester.

The application discloses a combine harvester with a material differentiation processing function, which comprises a walking chassis, a ploughing and harvesting assembly, a material conveying assembly and a threshing and cleaning assembly arranged in sequence from front to back on the walking chassis; the threshing and cleaning assembly comprises a threshing device and a cleaning device arranged in an up-down mode; the cleaning device comprises a sieve body and a driving main shaft for vibrating the sieve body; the number of the sieve bodies is at least three, and all the sieve bodies are closely arranged in the axial direction of the driving main shaft; a driving member is connected between the driving main shaft and each sieve body, and the specifications of the driving members connected with the sieve bodies at different positions are different, so that the vibration parameters of the sieve bodies at different positions are different. In the application, the structural design of the cleaning device can fully meet the distribution characteristics that the materials falling from the threshing cylinder of the threshing device are more on both sides and less in the middle, and targeted screening processing of the differentially distributed materials is realized.

The invention provides a corn combine harvester with a large operation range, and relates to the field of corn harvesters. The corn combine harvester with the large operation range comprises a vehicle body and a rack, a header is arranged at the front end of the rack, a spiral conveyor is arranged below the header, and a peeling device is arranged at an outlet of the spiral conveyor. The peeling device comprises a plurality of groups of peeling rollers which are oppositely arranged, each peeling roller comprises a fixed roller and a floating roller, the floating roller can move relative to the fixed roller, and a pressure sensor is embedded in the floating roller. A central controller is arranged in the rack, and the pressure sensor is in signal connection with the central controller. A conveying belt is arranged below the peeling device, and an elevator is arranged on the downstream of the peeling device. The stress state of corncobs is sensed in real time through the pressure sensor, and the central controller dynamically adjusts the gap between the floating roller and the fixed roller according to a pressure signal, so that each corncob obtains matched stripping force, self-adaptive stripping is realized, and the complete stripping rate and the kernel perfectness rate are improved.

The invention provides an intelligent crawler-type combine harvester walking device, and belongs to the field of harvesters, the intelligent crawler-type combine harvester walking device comprises a frame, a harvester and an engine are both fixedly installed on the upper portion of the frame, the frame is provided with a transmission gear box, the engine is in transmission connection with the transmission gear box, and the transmission gear box is connected with the harvester. The walking assembly comprises a track shoe, a driving roller, a follow-up roller, a transverse telescopic frame, a longitudinal telescopic frame, a wheel shaft, wheels and a transverse pushing gear. In the whole switching and operation process, the walking device is stably supported through the wheels, it is always ensured that the track shoe does not make direct contact with the hardened road surface, structural damage such as scratches and indentations caused by a metal track chain to the road surface is reduced fundamentally, the abrasion rate of the metal track and the rubber track can be remarkably reduced, the service life of the tracks is effectively prolonged, and the service life of the track is prolonged. And meanwhile, the accessory replacement and maintenance cost of equipment operation and maintenance is reduced.

The utility model relates to the field of header frames, in particular to a header frame and a harvester, which comprise a header frame body, a left support rod and a right support rod, and the left support rod and the right support rod are detachably connected to the left end and the right end of the header frame body respectively; the left supporting rod and the right supporting rod are connected to the left end and the right end of the header frame body through connecting bolts respectively, and the header frame is a header frame of a semi-feeding combine harvester. The header frame can be used as the header frame of the semi-feeding combine harvester, the left supporting rod, the right supporting rod and the header frame body are detachable, the left supporting rod, the right supporting rod and the header frame body can be conveniently and independently replaced when repair or damage is needed, the whole header frame does not need to be replaced, and then the use cost of a user can be greatly reduced.