1106 results about "Combine harvester" patented technology

The disclosure relates to the system and methods 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 provides an intelligent fault diagnosis and safety protection method for a combine harvester, and the method comprises the steps: carrying out the quantitative analysis of the influence degree of a fault on the system safety and operation continuity through a risk assessment model, calculating a fault danger grade score through combining historical fault data and equipment aging state information, and carrying out the calculation of the fault danger grade score. A five-level danger classification result from slight danger to serious danger is obtained; acquiring system response data after isolation control is executed, monitoring running state changes and load redistribution conditions of residual normal parts, adjusting control parameters through a real-time feedback mechanism, and judging the effectiveness of isolation measures and the maintenance degree of system stability; a closed-loop feedback mechanism is adopted to continuously monitor the fault isolation effect and the system operation performance, key data in the processing process are collected to update fault diagnosis model parameters, the risk level evaluation accuracy and the protection range division rationality are optimized, and a continuously improved intelligent fault diagnosis and safety protection system is obtained.

A grain loss detector disposed on a combine harvester to detect grain loss within crop material being discharged by a separating or cleaning stage component of combine harvester while harvesting a crop. The grain loss detector includes at sensor generating sensor data output. A computing device receives the sensor data output for processing via software which compares the sensor data output against crop data characteristics to identify any grain kernels from among material other than grain. In one embodiment the sensor is a camera and the generated sensor data output is a digital image frame capturing the grain kernels and material other than grain passing the camera.

The invention provides a grain impurity rate and breakage rate monitoring system and method for a combine harvester. The grain impurity rate and breakage rate monitoring system comprises a grain sampling device, an image acquisition device and a control device, the grain sampling device is installed on the side wall of the vertical grain conveying barrel, a grain inlet of the grain sampling device is connected with a grain outlet hole in the side wall of the vertical grain conveying barrel through a hose, and a grain outlet of the grain sampling device is connected with a feeding port of the image acquisition device through a connecting pipe; the image acquisition device is connected with the control device, an image acquisition module of the control device controls the image acquisition device to acquire a grain image, and online calculation of the impurity rate and the breakage rate of the grain is realized on the grain image through a YOLOv8-Seg instance segmentation model of the image processing module in combination with an impurity rate and breakage rate mathematical model; finally, a detection result is displayed on a display screen in real time, visual numerical values can be provided for an operator of the combine harvester, and the operator is helped to adjust working parameters of the harvester. The method can be used for harvesting rice, wheat, oilseed rape and soybeans, and has wide applicability.

The invention discloses a self-propelled cyperus esculentus combine harvester, which belongs to the technical field of agricultural machinery, and comprises a vehicle body, and the front end of the vehicle body is connected with an excavation table; a conveying plate chain is arranged on the excavating table, and the rear end of the conveying plate chain is in butt joint with a lifting chain mechanism fixedly connected to the vehicle body. The rear end of the lifting chain mechanism extends into the front part of the screen drum; a rotatable rotating shaft is arranged in the center of the screen drum; the rotating shaft is connected with a plurality of grass guide sheets and a plurality of throwing ropes; below the screen drum, the vehicle body is connected with a vibrating screen capable of swinging back and forth; the outlet end of the fruit and bean elevator is located above a storage bin fixedly connected to the vehicle body. And a plurality of small sieve holes are formed in the collecting plate, a chain plate belt of the conveying plate chain and a chain plate belt of the lifting chain mechanism. Under the condition that the space of the self-propelled vehicle body is limited, the mandulapalka harvester comprises five stages of screening mechanisms, has strong soil screening capacity, can effectively screen out soil blocks carried by mandulapalka root hairs, and improves the mandulapalka harvesting efficiency and quality.

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.

The present invention discloses a self-propelled cyperus chinensis combine harvester, belonging to the field of agricultural machinery technology. The harvester comprises a vehicle body, the front end of which is connected to a digging platform; a conveyor plate chain is provided on the digging platform, the rear end of which is connected to an elevator chain mechanism fixedly connected to the vehicle body; the rear end of the elevator chain mechanism extends into the front portion of a screen drum; a rotatable shaft is provided at the center of the screen drum; a plurality of grass guide blades and a plurality of throw ropes are connected to the shaft; a reciprocating vibrating screen is connected to the vehicle body below the screen drum; the outlet end of the berry elevator is located above a storage bin fixedly connected to the vehicle body; and a plurality of small sieve holes are formed on the collecting plate, the chain belt of the conveyor plate chain, and the chain belt of the elevator chain mechanism. While the space of the self-propelled vehicle body is limited, the present invention includes a five-stage screening mechanism, which has a strong soil screening capacity and can effectively screen out clods of soil carried by cyperus chinensis roots, thereby improving the efficiency and quality of cyperus chinensis harvesting.

The invention relates to the technical field of safety control, and particularly discloses a safety control method, device and system for a combine harvester, and the method comprises the steps: judging whether the combine harvester meets a starting condition or not based on the position of a handle of the combine harvester, and the rotating speed value, the battery voltage value and the excitation voltage value of an engine of the combine harvester; and after the combine harvester meets the starting condition, if a target control signal of a main clutch of the combine harvester is received, and the combine harvester meets a preset condition corresponding to the target control signal, the main clutch is controlled. The method can effectively solve the potential safety hazard caused by the fact that the vehicle starting condition is judged only by depending on the position of a handle in the prior art, makes up for the defect that multi-dimensional verification is not carried out in combination with the engine state, and can prevent illegal vehicle starting caused by sensor faults or instantaneous misoperation. And meanwhile, the problem that wrong actions are executed when a combination signal is triggered by mistake before the combine harvester is started is avoided, and the operation safety and the equipment reliability of the combine harvester are improved.

Method and corresponding system for estimating crop yield from vegetation index data. At least one multispectral image (201) including a field is obtained. The part of the multispectral image (201) that represents the agricultural field (301) is delineated, and vegetation indices for locations within the agricultural field (301) are derived from the multispectral image (201). Samples of actual yield data representing yield measurements for locations within the agricultural field (301) are obtained as measured by a yield monitor on a combine harvester (208) used to harvest selected areas of the agricultural field (301). By correlating the vegetation indices with the yield data, a relationship between respective vegetation index values and corresponding absolute yield estimates is determined. The determined relationship can be used to obtain estimates of actual yield from different parts of the field, and this information can be used to identify field maintenance needs, fertilization rates, and more.

A self-propelled combine harvester and a method for operating a self-propelled combine harvester. The self-propelled combine harvester comprises a feed channel which is pivotably articulated to a combine harvester about a horizontal axis for height adjustment by linear actuators, and a draper arranged or positioned on the feed channel, which comprises a center segment with a central frame segment and two side segments each with an outer frame segment. The particular side segment is pivotably connected to the center segment by a frame joint comprising a pivot axis, and the particular side segment is positionable relative to the center segment by an actuatable actuator. The combine harvester includes a control unit that is configured to actuate the actuators in order to align the side segments relative to the center segment depending on the height adjustment of the feed channel when lifting the draper.

A bubble-up auger assembly for an agricultural vehicle includes an auger at least partially surrounded by an outer tube. A bracket is configured to be non-rotatably connected to a rockershaft of the agricultural vehicle for rotation about a first axis. A slide rod is connected to the outer tube and the bracket. The slide rod is configured to cause the auger to move between a raised position and a lowered position in response to rotation of the bracket. In the lowered position of the auger, an axis of rotation of the auger is oriented oblique to the first axis.

A rear module, as illustrated with tanks, seed blowers, and transfer pump for fertilizer is mounted on the existing design frame, axle, and steering system; but it is a separate, distinct module. The planting module and the harvesting module must be disconnected from the common front module power unit and switched for planting row crops or harvesting. The harvesting configuration can have an attachment to the header to seed non row crops, such as, a cover crop like rye or canola Such rear module can be the rear unit of an articulated vehicle, such as a harvester.

The invention discloses a crop combine harvester which comprises an engine, a rack, a header, an angle adjusting mechanism, a material pushing scraper knife, a material conveying roller, a rotary material clamping mechanism, a feeding conveying mechanism and a stirring and threshing mechanism, and the rotary material clamping mechanism comprises a first roller fluted disc, a first clamping rod, a second roller fluted disc and a second clamping rod; the first clamping rod and the second clamping rod are used for clamping and conveying crops upwards along with rotation movement. The material conveying roller conveys the shoveled crop stalks to the rotary material clamping mechanism through the rotation effect, a first clamping rod and a second clamping rod of the rotary material clamping mechanism accurately clamp the stalks through alternate meshing, and the stalks are conveyed into the stirring and fruit removing mechanism through the feeding conveying mechanism to be subjected to fruit separation; and then the fruits are conveyed to the lifting mechanism through the discharging conveying mechanism and the vibrating screen and are conveyed into the material collecting box through the material sliding groove, so that efficient conveying, automatic fruit stripping, fruit separation and clean collection of the crops are achieved, and the working efficiency of the harvester is effectively improved.

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.

A grain cleaning system for a combine harvester having a transmitter adapted to transmit a base signal at a known frequency and one or more spaced receivers for detecting signals of a different frequency as reflected from airborne grain and other materials within the duct of the grain cleaning system. An Electronic Control Unit modulates the base signal and the reflected signals to obtain Doppler signals or frequencies from which an average particle velocity is determined. The particle velocity is used as an input parameter for the generation of control signals for the adjustment of various working units of the combine harvester including, by way of example, the fan and sieves.

The invention discloses a self-adaptive regulation and control method applied to a combine harvester. The combine harvester comprises a movable chassis, and a seedling pulling and harvesting device, a material conveying channel, a threshing device and a cleaning device which are mounted on the movable chassis; the cleaning device comprises a vibrating screen and a vibrating screen driving mechanism; the plurality of vibrating screens are tightly arranged; the vibrating screen driving mechanism comprises a central driving shaft and a plurality of eccentric shafts; the eccentric shafts and the vibrating screens are equal in number and are respectively connected through connecting pieces one by one; two ends of the eccentric shaft are respectively connected with the central driving shaft through electric push rods; one end of the connecting piece is rotationally mounted relative to the eccentric shaft, and the other end is fixed on the vibrating screen; all the electric push rods are connected with a controller; the method comprises the steps that distribution information of materials falling on each vibrating screen is obtained, and the left-right distribution condition of the materials is obtained; on the basis of the left-right distribution condition, all the electric push rods are adjusted to operate so as to adjust the amplitude of all the vibrating screens.

A modular concave assembly for a combine harvester includes a frame having a distal end configured to mount to an inner concave support structure of the combine harvester and a proximal end configured to mount to an outer concave support structure of the combine harvester. The frame includes left and right side plates, a distal end plate, a proximal end plate and a transverse plate disposed between the distal end plate and proximal end plate thereby defining a first frame opening and a second frame opening. A first grate section is sized to be removably received within the first frame opening. A second grate section is sized to be removably received within the second frame opening. At least one of the first and second grate sections configured to mount to the transverse plate each of the first and second grate sections.

The drive system comprises a hydraulic pump and a hydraulic motor, both having an inlet port and an outlet port, the motor being a fixed displacement motor directly coupled to the cleaning fan for rotationally driving said fan, the pump being a variable displacement pump configured to produce a flow of hydraulic liquid to the motor. In a system according to the invention, the outlet port of the pump is coupled to the inlet port of the motor by a hydraulic line, wherein said line does not comprise a valve for regulating a flow of hydraulic liquid to the motor. In the system of the invention, the flow to the motor is not regulated through a flow regulating valve between pump and motor, but by changing the pump displacement electronically. To this aim, the pump includes an electronically actuated hydraulic control system for controlling the pump displacement regardless of the hydraulic pressure of the liquid in the hydraulic line between the pump and the motor. The pump and the motor are part of an open hydraulic circuit.

The invention discloses a combined harvester multi-cluster networking system and method based on a hierarchical Mesh architecture. The combined harvester multi-cluster networking system comprises an intelligent WI-SUN node module, a wireless Mesh network routing gateway, a bypass route, a repeater and a cloud server. And the intelligent WI-SUN node modules are deployed on each combine harvester. The intelligent WI-SUN node module is used for realizing a communication network in a cluster; and each combine harvester performs intra-cluster data transmission with the combine harvesters in the cluster through a built-in intelligent WI-SUN node module. And wireless Mesh communication between clusters is realized by the master node and the wireless Mesh network routing gateway of the clusters, and data aggregation is completed through a bypass route and is transmitted to a cloud server. Therefore, the combined harvester cluster based on the hierarchical Mesh architecture can realize a larger communication range, better penetration capability and anti-interference capability, is suitable for low-power design of large-scale equipment connection, and remarkably improves the real-time acquisition and transmission reliability of agricultural operation data.

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 invention relates to an intelligent efficient low-loss ginger combine harvester and a using method, the combine harvester comprises a rack, a digging mechanism and a clamping, conveying and cutting mechanism, the bottom of the rack is provided with a crawler walking mechanism, and the digging mechanism comprises a lifting platform framework hinged to the front end of the rack and an overturning oil cylinder driving the lifting platform framework to swing up and down; a soil breaking shovel and a soil shaking shovel which are arranged front and back are arranged on the lifting platform framework, and the clamping, conveying and cutting mechanism comprises two stalk conveying belts which are arranged left and right, a counter-rotating pulling device located in front of the stalk conveying belts and a seedling cutting device located below the stalk conveying belts; the stalk conveying belts move circularly, the sides, close to each other, of the two stalk conveying belts are attached to each other and move towards the upper rear portion, and fixed controllable air bags are arranged on the backs of the sides, close to each other, of the two stalk conveying belts. The functions of ginger digging vibration, clamping conveying, soil cleaning, ginger seedling and ginger block separation, ginger block conveying and boxing and the like are completed at a time, the mechanization degree is high, and the ginger harvesting efficiency is improved.

The invention discloses a combined harvester chassis frame fatigue life analysis method, and relates to the technical field of harvesters, and the method comprises the following steps: obtaining load data, preprocessing the load data, compiling a load spectrum, building a chassis frame finite element model based on the preprocessed load data, and calculating the fatigue life of the chassis frame. Performing strength check analysis on a front axle, a rear axle and a vehicle body of the chassis frame, analyzing deformation positions and stress distribution of the chassis frame under different working conditions, outputting a stress analysis report, and extracting a strain time history of a dangerous point of the chassis frame based on the stress analysis report and the chassis frame finite element model; and obtaining the stress time history according to the relationship between the stress and the strain. According to the method, through combination of finite element analysis and an actual load spectrum, the fatigue life of each part can be accurately predicted, the possible failure position and the fatigue life can be predicted in advance, and corresponding improvement measures are taken in design and manufacturing stages.

The invention relates to a self-propelled intelligent ginger combine harvester which comprises a gathering automatic guide device, a vibration excavating and soil shaking device, an intelligent clamping and conveying device, a floating type flexible soil cleaning and impurity removing device, a stem cutting and seedling throwing device, a collecting and discharging device and an automatic speed regulating system. The deflection angle is monitored in real time, the deviation rectifying action is completed, and intelligent auxiliary driving is achieved; the vibration digging and soil shaking device digs the ginger, shakes soil and removes impurities; the intelligent clamping and conveying device conveys the ginger to the inclined upper part, the feeding amount is dynamically monitored, and intelligent speed regulation is realized; the floating soil cleaning and impurity removing device is used for flexibly removing soil of the ginger bulbs; the stem cutting and seedling slinging device transversely conveys the ginger plants to complete stem cutting and seedling slinging; the collecting and discharging device can dynamically detect the weight of the ginger in the collecting frame and quantitatively and automatically complete discharging; the ginger harvester is low in breakage rate, high in mechanization and intelligence degree, high in universality and adaptability and capable of meeting different ginger harvesting conditions.

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 invention relates to the technical field of agricultural machinery intelligent control, in particular to a combine harvester track trafficability control method based on visual inspection, which comprises the following steps: S1, predicting a motion track based on the real-time traveling speed and steering angle of a harvester; s2, extracting a real-time terrain slope angle of the trajectory region; s3, determining a target grounding pressure distribution mode required by the track in the predicted track area; s4, calculating a target hydraulic flow distribution proportion used for controlling a walking motor; and S5, the hydraulic valve group is controlled to adjust the oil supply amount according to the target flow distribution proportion. Through linkage of visual perception and hydraulic control, segmented self-adaptive adjustment of the track grounding pressure is achieved, and the trafficability and operation stability of the combine harvester under complex terrains are effectively improved.

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.

A combine harvester serving as a work vehicle includes a cabin covering a driving section, and a receiving device for measuring a position in a work site based on positional information. The receiving device is installed in a position on a rear side relative to a front-rear center position in a front-rear direction of a machine body with respect to the cabin.

The invention discloses a navigation method of an intelligent pseudo-ginseng harvester based on LSTM and GNSS / INS multi-modal fusion, which comprises the following steps: firstly, acquiring multi-modal data of the harvester through a GNSS receiver and an INS inertial measurement unit, and performing timestamp alignment and noise suppression preprocessing on the multi-modal data; then, a GNSS / INS data fusion model is constructed, preliminary data fusion is realized through a Kalman filtering algorithm, and the positioning precision is improved; meanwhile, a long short-term memory network (LSTM) model is introduced, during the interruption period of GNSS signals, historical INS and GNSS data are utilized to predict GNSS pseudo position increment, pseudo GNSS position information is generated, and the pseudo GNSS position information and INS resolving data are fused again; and finally, in combination with navigation information fused by a Kalman filtering algorithm, realizing accurate positioning of the pseudo-ginseng harvester. The method can effectively improve the precision and robustness of a navigation system, and is suitable for efficient operation of the pseudo-ginseng combine harvester in complex environments of hills and mountains.

A threshing mechanism of the small-grain type bean combine harvester is used for separating grains from straw and threshing the grains, a screening mechanism is located below the threshing mechanism and used for receiving the grains, and a first receiving mechanism and a second receiving mechanism are sequentially arranged below the screening mechanism. The material screening mechanism enables grains to be conveyed from front to back through vibration, the grains which are successfully threshed leak the material screening mechanism and fall into the first material receiving mechanism, the first material receiving mechanism is connected with the grain box to collect the grains, and the grains which are not successfully threshed fall into the second material receiving mechanism from an outlet of the material screening mechanism. The second material receiving mechanism is connected to the threshing mechanism and is used for conveying unsuccessfully threshed grains back to the threshing mechanism for re-threshing operation; and the discharging fan works to provide wind power, so that the straws and the threshed shells are blown to the grass collector at the output end. The process of screening and threshing is mechanically completed, seed collection and impurity collection are completed, manual operation is replaced by a machine, the harvesting efficiency is improved, and the labor cost is reduced.

The invention relates to the technical field of agricultural machinery, in particular to a full-electric drive grain harvester. The full-electric drive grain harvester comprises a diesel generating set, an electric control cabinet, a plurality of frequency converters, a plurality of drive motors and a plurality of loads. The plurality of frequency converters, the plurality of driving motors and the plurality of loads are in one-to-one correspondence; the electric control cabinet receives alternating current output by the diesel generating set, converts the alternating current into direct current and distributes the direct current to the frequency converters. The frequency converter receives the direct current distributed by the electric control cabinet, converts the direct current into variable-frequency alternating current and outputs the variable-frequency alternating current to the corresponding driving motor; and the driving motor receives the variable-frequency alternating current output by the frequency converter and controls the corresponding load to act. The full-electric drive grain harvester solves the problems that a traditional grain combine harvester is low in transmission efficiency, poor in system reliability, high in failure rate, poor in energy-saving effect, large in pollutant emission, large in vibration and large in equipment noise.