112 results about "Combine harvester" patented technology

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 application provides a kind of grain moisture content detection method, device, combine harvester, equipment and medium, the method comprises: collecting the temperature of the environment where grain is located, the relative dielectric constant and bulk weight of grain in a preset period;Based on temperature, relative dielectric constant and bulk weight, train through grain moisture content detection model, obtain the moisture content of grain in a preset period;Through the grain moisture content detection model, periodically detect the moisture content of grain.The grain moisture content detection method provided by the application uses a nonlinear method of multiple influencing factors to regress and predict data, by considering multiple influencing factors, the fitting regression accuracy of the grain moisture content detection model is improved, and the moisture content of grain is periodically detected through the grain moisture content detection model, the moisture content of grain is stably detected for a long time, and the reliability is high, so as to improve the accuracy of grain moisture content detection as a whole.

This invention provides a management method and management system that can improve the usability of selecting work items and setting work information. [Solution] The management method for the combine harvester 2, which is a work vehicle capable of autonomous driving, involves, for example, using the operator's management terminal 3, notifying the operator that the previously harvested area 191c (previously harvested land) where the combine harvester 2 has performed harvesting work has not reached the headland area 191e, which is the area required as a headland when the combine harvester 2 performs autonomous driving, or notifying the operator that the previously harvested area 191c has reached the headland area 191e, if the previously harvested area 191c has reached the headland area 191e.

To provide a combine harvester that can suppress grain stalks from becoming entangled in the harvesting device. [Solution] In a combine harvester, a traveling device (2) for traveling in a field is provided on the underside of a machine frame (1) on which an engine (E) is mounted, a harvesting device (3) for cutting grain stalks is provided on the front side of the machine frame (1), a threshing device (4) for threshing the harvested grain stalks is provided on the rear left side of the harvesting device (3), a control unit (5) for the operator is provided on the rear right side of the harvesting device (3), and a grain tank (7) for storing grain is provided behind the control unit (5) along with a camera (11). The camera (11) takes an image of the front of the combine harvester, and the controller (50) of the combine harvester estimates the posture of the grain stalk heads from the image taken by the camera (11) and calculates the entanglement rate of the grain stalks.

We provide a combine harvester that allows for easy maintenance and replacement of antennas. [Solution] The outer periphery of the control unit (5) is covered with a cabin (9). The cabin (9) is formed of a cabin frame (10) that forms the skeleton of the cabin (9), a cabin plate (11) fixed to a front and rear frame (21A) that extends in the front and rear direction and is formed on the upper left side of the cabin frame (10), and a cabin roof (12) that covers the upper part of the cabin frame (10) and the cabin plate (11). An antenna (52) for receiving information from the outside is detachably attached to a rear plate (32) at the rear of the cabin plate (11), and an outlet opening (53) larger than the front and rear longitudinal cross-section of the antenna (52) is formed in the cabin frame (10) near the antenna (52).

The application discloses a concave plate gap adjusting device of a combine harvester, and belongs to the field of agricultural machinery, which comprises a feeding auger, a threshing cylinder, a support, a bearing seat, a follower and a screening assembly. The support is fixedly connected with the bearing seat at both ends. The support is rotatably connected with the feeding auger and the threshing cylinder through the two bearing seats. The end, away from the bearing seat, of the feeding auger is connected with the threshing cylinder. A linear guide groove is correspondingly arranged on the support. The support is connected with the screening assembly through the linear guide groove and cooperates with the guide follower. The end, close to the bearing seat, of the auger is provided with a feeding inlet. The end, close to the bearing seat, of the threshing cylinder is provided with a discharge outlet. The threshing cylinder and the screening assembly are arranged. The gap between the threshing cylinder and the screening assembly can be adjusted through the screening assembly during the threshing process of the threshing cylinder, so that the threshing effect is improved.

A water turbine system for providing electrical power from the flowing of water through a canal element. This invention is ideally suited for placement in a flowing river, but any flowing body of water should provide the necessary kinetic energy for the present invention to function. The turbine could be formed from a modified combine pickup wheel. The system could include a floating barge within the flowing body of water containing an interior channel over which the turbines are affixed.

The application discloses a rice and wheat lodging three-dimensional attribute detection and distribution map construction method for a combine harvester, an electronic device and a computer readable storage medium. The method uses a vehicle-mounted binocular vision to obtain field images and depth information, segments a lodging area through a deep learning model, and then calculates three-dimensional attributes such as the area, position, angle and direction of the lodging area. Through displacement-based key frame screening and overlap degree judgment, multiple frame detection results are fused in a global coordinate system, and finally a spatial distribution map reflecting the overall lodging condition of a field plot is constructed, thereby providing a precise sensing basis for intelligent operation of the combine harvester.

The present invention provides a combine harvester that suppresses rice spillage from the discharge port when the auger is automatically stored in the auger receiving section. [Solution] In a combine harvester equipped with a discharge switch (25a) for discharging grain from a grain tank (d) and a storage switch (25b) for storing the discharge auger device (1) in an auger receiving section (1c), the controller (33) of the combine harvester detects the ON state of the storage switch (25b) when the discharge switch (25a) is OFF, and controls the discharge port (3) to be set to a second state by the switching means (19) of the discharge auger device (1), and then stores the rotating auger section (1b) in the auger receiving section (1c).

This invention provides a combine harvester that automatically selects a turning method based on the combine's turning position, thereby shortening the turning time and improving the efficiency of grain harvesting. [Solution] The controller (30) automatically drives the traveling device (2) along a rectangular travel path (41) that circles counterclockwise, sets the traveling device (2) to a turning position (A to D) where it will stop, and determines whether there is space to turn the combine 90 degrees in front of and to the right of the combine at the turning position (A to D). If it determines that there is space, it turns the combine 90 degrees and resumes automatic driving.

The utility model belongs to agricultural machinery technical field and provide a cutting platform assembly and combine, cutting platform assembly includes cutting platform hanger and first locking subassembly. The cutting platform hanger is formed with the insertion cavity for the first connecting portion of harvester body is inserted, first locking subassembly movably sets up in insertion cavity and can remove and remove insertion installation path, insertion installation path is the installation removal path when first connecting portion inserts to insertion cavity, first locking subassembly is used for limiting the first connecting portion of insertion and holding in the back direction, locks first connecting portion in insertion cavity. The cutting platform assembly in the utility model only needs to control first locking subassembly removes, removes insertion installation path, can realize the locking and unlocking between cutting platform hanger and harvester body, and the steps are fewer, and dismounting is more labor-saving.

This utility model relates to the field of agricultural machinery technology and discloses a self-propelled corn combine harvester for whole-stalk recycling. It includes a straw powder recycling bin, with a turning assembly for agitating the straw powder fixedly connected to the inner wall of the bin. A rotating motor is also fixedly connected to the inner wall of the bin, with a rotating column fixedly connected to the drive end of the motor. A control rod is fixedly connected to the outer wall of the rotating column, and a connecting rod is fixedly connected to the outer wall of the control rod. A vibrating screen is fixedly connected to the other end of the connecting rod. Two connecting rods are fixedly connected to both sides of the bottom of the vibrating screen, and a fixing rod is fixedly connected to the inner wall of each connecting rod. In this utility model, by adding a vibrating assembly to the screen at the straw powder discharge point, the screen can vibrate and sieve out completely crushed straw powder, preventing powder from remaining on the screen surface and causing blockages during subsequent straw powder discharge.

This invention provides a route creation method, a work vehicle, and a route creation system that can create a travel route that allows for efficient and stable harvesting, taking into account the field conditions and the condition of the machine. [Solution] The combine harvester 1, a work vehicle that performs harvesting along a travel path in a field, includes a lodging information setting unit 48 that sets lodging information related to lodging areas in the field where grain stalks have fallen over, and a route creation unit 49 that creates a travel path, including harvesting grain stalks within the lodging areas, based on the lodging information and the machine information of the combine harvester 1.

The application provides a kind of light loss detection feeding amount monitoring method and device, it is related to feeding amount monitoring technical field, first in the stem state calibration reference light intensity value;In operation, the light intensity signal when stem sheltering light transmission seam is collected in real time, and the chain harrow transmission speed is obtained synchronously. Again, the light intensity signal is calculated by using the integral model, and the average light loss rate in the unit length is calculated. This step significantly improves the stability and accuracy of measurement. Finally, based on the pre-calibrated light loss rate and the fitting curve of feeding amount, the real-time feeding amount is calculated and automatic control is realized. The application overcomes the defects of traditional mechanical sensor being easily disturbed by vibration and visual scheme relying on light, has the advantages of strong anti-interference ability and all-weather working, and provides reliable technical support for precise control of combine harvester feeding amount and efficient and low-loss operation.

Combine harvesters are provided for use in harvesting seed corn from corn plants in fields. In connection therewith, a method of using such a combine harvester to produce seed corn for use in growing corn plants includes removing, by the combine harvester, ears of corn from corn plants in a field and separating the corn kernels from cobs of the ears of corn onboard the combine harvester while in the field. The method also includes collecting, by the combine harvester, a supply of the separated corn kernels for use as seed corn. In connection therewith, cold germination of the collected supply of corn kernels is at least about 75% and warm germination of the collected supply of corn kernels is at least about 75%.

An agricultural thresher rotor comprising: a main body extending along a rotation axis in a processing direction from a front main body end to a rear main body end; a rotor transition surface extending from the front main body end and tapered to decrease in cross-sectional size, as viewed along the rotation axis, away from the main body; and at least one impeller extending away from the rotation axis from the rotor transition surface, and configured to move crop material towards the main body upon rotation of the rotor about the rotation axis. The rotor transition surface and the main body comprise at least one flute located downstream of the at least one impeller, and defining a recessed flute volume in the rotor transition surface and the main body. An agricultural thresher including a rotor, and an agricultural combine including the thresher are also provided.

The present application relates to the field of harvesting machines, and particularly relates to a 3D cleaning system for a combine harvester and the combine harvester. The 3D cleaning system for the combine harvester comprises a return disc component, an upper sieve box component arranged below the return disc component, and a driving component. The driving component comprises a first driving arm assembly, a second driving arm assembly, a driving assembly, and a connecting assembly. The connecting assembly is driven to move by the driving assembly, the connecting assembly drives the return disc component to move through the first driving arm assembly, and drives the upper sieve box component to move through the second driving arm assembly. The movement of the return disc component and the upper sieve box component is decoupled through the connecting mode, so that the return disc component and the upper sieve box component can independently move, the movement of the return disc component is not interfered by the upper sieve box component in the transverse vibration process, and the stable operation of the return disc component is ensured, and the return disc component will not abnormally vibrate or deviate from the track due to the transverse vibration of the upper sieve box component.

The application discloses a kind of regenerative rice threshing device and regenerative rice combine harvester, belong to regenerative rice combine harvester technical field.The present application includes harvesting platform, feeding transport part, threshing separation part, grain cleaning part, crushing straw discharge part, grain collecting and unloading part, chassis walking part, the working width of harvesting platform is not more than 2.5 meters, chassis walking part includes left track and right track, the width of each track is not more than 280 millimeters, the center distance of two tracks is integer times of regenerative rice planting row spacing;The diameter of threshing drum is not more than 560 millimeters, length is not more than 1700 millimeters, linear velocity is not more than 20.5 m / s.The present application can effectively consider the linear rolling rate of regenerative rice stubble and the whole vehicle passability, while guaranteeing various operation performance indexes.

The utility model provides a combine harvester cleaning screen angle electric stepless adjusting frame relates to combine harvester technical field. This combine harvester cleaning screen angle electric stepless adjusting frame, including the mounting frame, the both sides symmetrical of mounting frame are provided with the fixed frame, the inner chamber of mounting frame is provided with screen, the inboard wall of fixed frame is seted up and moves the groove, the left and right sides surface wall symmetry of mounting frame front end is fixed with the pivot, the pivot and corresponding one side's moving groove activity cooperation. The utility model discloses through setting adjusting assembly, replaces traditional manual adjustment mode, makes screen can be electrically driven and carries out angle regulation, has solved the problem that transmission cleaning screen is inconvenient, time -consuming and low -efficiency when adjusting, through setting fixed mechanism, forms effective clamping to screen, makes screen can be stably fixed in the inner chamber of mounting frame, and the mechanism is convenient to use after fixing, provides great convenience when maintaining, cleaning to screen.

This invention provides a bolt loosening monitoring system and method for combine harvesters based on piezoresistive sensing, comprising a ring piezoresistive sensing module, a signal acquisition and conditioning module, a central processing module, a wireless communication module, and a host computer early warning module. The ring piezoresistive sensing module converts the displacement caused by bolt preload attenuation into a resistance change signal. The signal acquisition and conditioning module amplifies, filters, and performs analog-to-digital conversion on the resistance change signal. The central processing module incorporates a wavelet threshold denoising algorithm based on particle swarm optimization to denoise the acquired signal and determine the bolt loosening state. The central processing module uploads the processed data to the host computer early warning module, pushing loosening status information to the monitoring client. This invention enables long-term, low-power loosening monitoring of bolt structures. When bolt structure loosens, it automatically wakes up and sends the loosening location and preload status, greatly improving the accuracy and reliability of bolt loosening monitoring.

This invention discloses a self-propelled woody forage combine harvester, belonging to the field of harvester technology. It includes a walking device, a header device, a throwing device, a throwing control device, and a collecting device. The walking device includes a chassis and a power system. The header device includes a header frame, a cutting mechanism, a feeding mechanism, a chopping mechanism, and a transmission mechanism. The transmission mechanism includes a drive shaft, a first transmission assembly, a gearbox, and a second transmission assembly. The drive shaft is connected to the gearbox input shaft via the first transmission assembly, and the gearbox output shaft is connected to the cutting mechanism and the feeding mechanism via the second transmission assembly. The transmission mechanism of the header device of this invention has a simpler and more compact structure, higher reliability, and can directly and synchronously output power at different speeds and directions to each device, meeting the different speed and direction requirements of each mechanism during operation. This ensures smooth coordination between the working mechanisms and effectively avoids material blockage.

This invention discloses a control method and related equipment for an electric folding ladder of a combine harvester, belonging to the field of agricultural machinery control technology. The invention uses a rotary drive motor in conjunction with an electric folding ladder tilt sensor to achieve angle feedback. Through three-stage control of the first, second, and third rotational speeds, the unfolding process of the electric folding ladder is smooth and shock-free. A dual-redundant locking structure consisting of an electromagnetic lock and a mechanical locking tongue enhances safety. During the unfolding or retracting of the electric folding ladder, if the infrared anti-pinch sensor is triggered or the motor current exceeds the rated threshold, the rotary drive motor is immediately controlled to reverse a preset distance and retry after a delay. If repeated failures occur, an alarm is output, achieving a dual safety mechanism of anti-pinch protection and overload protection. The controller monitors the signals of each sensor in real time. If a valid signal is not output within a preset number of consecutive detections, a sensor fault is determined, and emergency manual operation is allowed. Combined with power supply abnormality protection, reliability is improved.

The present invention relates to a combine harvester that cuts grain stalks growing in a field and threshes the grain using a threshing device, and aims to increase the yield of grain by eliminating the loose grains that are discharged outside the machine along with the threshed material. [Solution] In a threshing device 4 in which a threshing cylinder 11 with threshing teeth 16 erected is mounted on an axis inside a threshing chamber 10 of the threshing device 4, the lower outer surface of the threshing cylinder 11 is surrounded by a receiving net 12 in an arc shape, and grains that leak down from the receiving net 12 are received into a sorting chamber 20 for sorting and harvesting, the threshing device 4 is characterized in that an agitator 17 is provided near the end of the threshing cylinder 11 inside the threshing chamber 10, entering and intersecting the rotational trajectory of the tip of the threshing teeth 16 from the receiving net 12 side.

This invention proposes a combine harvester that prevents deformation of the lifter, which extends in the front-to-back direction to pick up the grain stalks collected by the raking device, and suppresses the accumulation of collected grain stalks that become entangled at the rear of the lifter. [Solution] The pre-harvesting processing device consists of a scraping device that scrapes and conveys grain stalks backward while keeping them upright, a cutting device that cuts the base of the conveyed grain stalks, an auger device (3C) that gathers the conveyed grain stalks to one side, and a feeder house that conveys the gathered grain stalks to a threshing device. The cutting device is formed by a pair of left and right rotating blade devices and a lifter device positioned above the rotating blade devices. Above the rotating blades (22) of the rotating blade devices, a pair of left and right lifters (31) extending in the front-rear direction of the lifter device and a connecting member (35) extending in the front-rear direction that supports the lower part of the lifters are positioned. The rear part of the connecting member is rotatably fixed to a support shaft (37) extending in the left-right direction provided on the lower wall of the auger frame (60) of the auger device.

The application discloses a self-adaptive regulation method applied to a combine harvester, the combine harvester comprising a mobile chassis and a plucking and harvesting device, a material conveying channel, a threshing device and a cleaning device which are installed on the mobile chassis; the cleaning device comprises a vibrating screen and a vibrating screen driving mechanism; a plurality of vibrating screens are closely arranged; the vibrating screen driving mechanism comprises a central driving shaft and a plurality of eccentric shafts; the number of the eccentric shafts is equal to that of the vibrating screens, and the eccentric shafts and the vibrating screens are connected through connecting pieces one by one; the two ends of the eccentric shafts are connected with the central driving shaft through electric push rods; one end of the connecting piece is rotatably installed 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 following steps: obtaining material distribution information falling on each vibrating screen to obtain left and right distribution conditions of the material; and based on the left and right distribution conditions, the rotation of each electric push rod is adjusted to adjust the amplitude of each vibrating screen.