1873results about "Harvesters" patented technology

The utility model relates to the technical field of ecological environment detection, in particular to an underwater plankton sampling device which comprises a main body, a sampling driving component is arranged in the main body, and a control collecting component is fixedly connected in the main body; according to the utility model, the sampling depth can be accurately controlled by utilizing the depth sensor, in order to meet different research requirements, the tube wheel is driven by the motor to wind the sinking tube, and the automatic control driving mechanism can quickly complete sampling and can drive the sampling barrel to move up and down in water to realize sampling at different depths, so that the sampling efficiency is improved. The microprocessor is used for controlling the operation of the depth control mechanism and the driving mechanism, automatic sampling is realized, the inner wall of the sampling barrel is smooth, attachment and damage of plankton in the sampling process are avoided, automatic sampling is realized through the control unit, the operation is simple, and the use is easy; the sample collection container can be used for storing sampled plankton samples, so that the samples are prevented from being polluted.

A conveyor device for use in a cutting unit of an agricultural harvester. The conveyor device includes a frame and at least one conveyor belt which revolves endlessly around two rollers arranged parallel to one another. A distance between the two rollers may be adjusted using a tensioning device. A first roller may be rotatably driven, and a second roller may be mounted to revolve freely. A device for rotational speed detection (associated with the first roller) is configured to detect a rotational speed of the first roller. Further, a second device (associated with the second roller) detect the rotational speed of the second roller during operation of the conveyor belt.

A stalk sensing system, comprising a bracket, sensor shell configured to be mounted to the bracket, a sensor configured for insertion into the sensor shell, a wand configured to be mounted to the sensor shell, and one or more anti-rotation features. The harvester and stalk sensing system may also into one or more board holding features and, optionally, a crop divertor(s).

The invention provides a multi-sensor fusion crop harvesting and pile-dividing cooperative control method and a multi-sensor fusion crop harvesting and pile-dividing cooperative control system. The method comprises the following steps: extracting morphological characteristics of crops from crop image data, and generating a crop maturity identification result according to a difference value between reflection spectrum data of two groups of wavebands; determining a crop quality identification result according to the morphological characteristics and the crop maturity identification result; an opening and closing control instruction is sent to a pneumatic flow guide plate at a pile separation opening corresponding to the crop quality recognition result in a multi-stage pile separation opening in the tail end of the conveying belt, so that the crops on the conveying belt are conveyed to a corresponding pile separation area; and when the pressure value of the pile dividing area is larger than a preset pressure threshold value, the harvesting speed of the crop harvesting and pile dividing all-in-one machine is adjusted according to the pressure value. According to the technical scheme provided by the invention, the shape and maturity of the crops are analyzed through the image and spectral data, piling and harvesting can be intelligently controlled, and accurate and efficient crop quality grading and harvesting management are realized.

An electric drive assembly for operation with a work vehicle component using an SAE standard hydraulic pump / motor mount includes an electric machine with a shaft and a mounting flange. An adapter housing defines an interior space between a component mounting flange and an electric machine mounting flange. The electric machine mounting flange is sized and configured to mate with the electric machine mounting flange. The component mounting flange has a bolt hole pattern and mounting pad that are complementary in size and configuration to those of the SAE standard hydraulic pump / motor mount. A gear set, located at least partially within the interior of the adapter housing, is configured to effect a change in gear ratio and transmit power between the electric machine shaft and a drive shaft.

The utility model provides a cleaning device for picking up forest fruits in the technical field of forest fruit harvesting equipment, which comprises a driving mechanism and a rack, and the rack is connected with the driving mechanism in a pulling manner and is in transmission connection with a transmission mechanism through a power shaft on the driving mechanism and a power transmission shaft on the rack; the fruit picking assembly, the lifting assembly and the cleaning assembly in the machine frame are in transmission connection with the transmission assembly through a plurality of sets of continuous movement transmission pieces. The fruit picking assembly and the lifting assembly are obliquely arranged, the downwards-inclined end of the fruit picking assembly is close to the forward moving direction of the driving mechanism, the downwards-inclined end of the lifting assembly is arranged below the upwards-inclined end of the fruit picking assembly, a plurality of rows of shifting teeth are arranged in the fruit picking assembly, and an oblique fruit picking plate is arranged below the shifting teeth. According to the forest fruit picking and cleaning device, the production cost is reduced through modular design of the driving mechanism and the rack, and the problems that an existing picking and cleaning device is high in production cost and limited in impurity removal effect are solved by lifting, moving and winnowing picked falling forest fruits.

The invention relates to the technical field of blue-green algae cleaning, and discloses a blue-green algae cleaning boat and a cleaning method.The blue-green algae cleaning boat comprises a boat body, a bearing frame, a cleaning assembly, a dumping and collecting box and a power supply driving assembly, and the boat is composed of two suspension bodies to improve buoyancy and stability. The bearing frame is located on the inner side of the ship body and provides a bearing area for installing the cleaning assembly and other related components. The cleaning assembly is located above the bearing frame and used for cleaning and conveying algae pollutants. And the dumping and collecting box is arranged at the tail end of the cleaning assembly and is used for receiving and storing the cleaned and conveyed algae pollutants. The power supply driving assembly provides assembly working power and supports work of the cleaning assembly. The small boat firstly runs to a preset position and is accurately positioned by additionally arranging a built-in navigation system. And after the blue-green algae arrives at the target area, the cleaning assembly starts to work, and the blue-green algae is removed from the water surface through a cutting and conveying mechanism and conveyed into a dumping and collecting box. The cleaned algae are directly conveyed into the collecting box through the conveying device, and the pollutant collecting process is completed.

The invention discloses a vertical corn straw leaf and ear removing device, which belongs to the field of agricultural equipment accessories, comprises a main rotating rubber roller, an auxiliary rotating rubber roller, a transmission device, a motor and other components, and is characterized in that a 75-degree included angle is formed between the plane where the main rotating rubber roller and the auxiliary rotating rubber roller are located and the horizontal plane; the main rotating rubber roller comprises a rapid leaf removing section, a U-shaped ear picking section and a U-shaped ear picking claw, the surface of the rapid leaf removing section is coated with a rubber layer with patterns, the patterns are coarse patterns and can rapidly break skins, and the U-shaped ear picking section adopts a linear groove design parallel to a roller shaft and the protruding U-shaped ear picking claw. Under the relative rotation action of the driving rotating rubber roller and the driven rotating rubber roller, the corn straw leaves and ears are removed through friction force provided by the protrusions of the driving rotating rubber roller and torque of radial transmission, corn ears and leaves are removed at the same time, conditions are provided for subsequent straw skin and pulp separation, and the corn ear and ear removing efficiency is improved. The resource utilization of corn stalk skins and stalks is increased.

A feeder housing shaft sprocket segment comprising: a sprocket segment body (300) extending in a circumferential direction around a center axis (A) from a leading edge (304) to a trailing edge (306), wherein the leading edge (304) and trailing edge (306) subtend a segment angle about the center axis (A), the segment angle being a first unit fraction of 360°; an outer sprocket perimeter (308) comprising a plurality of teeth (310) evenly arranged in the circumferential direction about the center axis (A) with each tooth (310) spaced by a tooth angle from each adjacent tooth (310), the tooth angle being a second unit fraction of 360°; and a plurality of engagement surfaces (312) extending towards the center axis (A) and facing in the circumferential direction (C), the plurality of engagement surfaces (312) being asymmetrical relative to a plane (P) defined by the center axis (A) and a radial projection from the center axis (A) that bisects the sprocket segment body (300) midway between the leading edge (304) and the trailing edge (306).

A work machine includes: a body including: a body frame; a driver's seat at a central portion of the body; a power source at a back portion of the body; and a front-wheel unit disposed at a front portion of the body and extending in a left-right direction of the body, wherein the body has a forward portion provided with at least one first holder configured to hold a rope and / or allowing the rope to pass therethrough. The forward portion is provided with two or more first holders which are each usable as an independent holder or which are usable in conjunction with each other to allow a rope to pass through both holders.

The invention discloses a red pepper layered tree shape cultivation and pruning-free picking method. The problems that traditional red pepper picking is low in efficiency, high in labor cost, complex in pruning and difficult in old tree transformation are solved. According to the technical scheme, when a new tree is cultivated, first-level branches (trunks) are controlled to be 2-2.5 m, tops are removed, three layers of second-level branches which are evenly distributed in a staggered mode are cultivated, three branches are arranged on each layer, nine branches are evenly distributed by 360 degrees in total, 15-20 sets of third-level branches are cultivated for each second-level branch, each set comprises A branches and B branches, and the two sides of each set are staggered; during picking, one third-level branch in each group is removed (with hidden buds reserved), and pruning is avoided; when old trees are transformed, branches and trunks are cut, stumps are reserved, and robust sprout tillers are selected to be cultivated according to a new tree method; according to the method, the yield of a single plant in the full-producing period reaches 27-54 jin, the picking efficiency is improved by 3-5 times, the labor cost is reduced by 50% or above, and the method is suitable for red pepper suitable-to-grow areas at the altitude of 1500-2200 m.

The utility model discloses novel movable sugarcane impurity removal equipment, belongs to the technical field of sugarcane impurity removal equipment, and solves the problem that the height of a loading ladder of the existing movable sugarcane impurity removal equipment cannot be adjusted, so that the transportation is inconvenient. The machine comprises a feeding ladder, a cutting device, an impurity removing device and a movable frame assembly, and further comprises a material uniformizing and loading integrated ladder, the feeding ladder, the cutting device and the material uniformizing and loading integrated ladder are all integrally installed on the frame assembly, the impurity removing device is installed on the material uniformizing and loading integrated ladder, the middle of the material uniformizing and loading integrated ladder is hinged to the frame assembly, and the material uniformizing and loading integrated ladder is installed on the frame assembly. A first linear driving part is arranged at the end, away from the cutting device, of the uniformizing and loading integrated ladder, and the two ends of the first linear driving part are hinged to the frame assembly and the uniformizing and loading integrated ladder correspondingly. According to the movable sugarcane impurity removing equipment, the height of the loading ladder can be adjusted, the movable sugarcane impurity removing equipment can be suitable for loading of different vehicles and can be transferred in various road sections, and meanwhile the sugarcane refining effect can be changed according to needs.

The utility model discloses an ear picking box and a corn harvester header thereof, which relate to the technical field of agricultural harvester equipment and comprise a power input part, a first power output part and a second power output part, the power input part is in transmission connection with a power supply device through a transmission system; the power input part is connected with the first power output part through a transmission shaft; according to the header of the corn harvester, the pair of seedling pulling assemblies corresponding to the corncob picking rollers composed of the adjacent corncob picking rollers is creatively in transmission connection with the corncob picking box through the transmission device, that is, the power of the pair of seedling pulling assemblies is provided by the corncob picking box, and the problem that in the prior art, the corncob picking rollers are prone to being damaged is solved. And when the seedling pulling chain is clamped and cannot rotate normally, the chain or the belt and the conveying belt for connecting the small elevator driving shaft and the small elevator driven shaft are broken.

A harvester for removing cannabis flower from stalks includes a blade follower iris that adjusts the size of the flower-stripping opening to correspond to the diameter of the stalk. The size of the opening may be controlled by centrifugal and spring forces that cause the iris to open and close. In addition, an improved stalk-pulling belt drive conveyor system utilizes two relatively floating, releasably coupled belt systems to pinch and pull the stalk through the blade follower iris.

The invention relates to fruit picking equipment based on modular design, the fruit picking equipment comprises a mechanical arm and an end effector, the mechanical arm comprises a connecting arm and a plurality of bionic joints, each bionic joint comprises a front joint module and a rear joint module which rotate relatively, and the rear joint module is driven by a rotation driving mechanism arranged on the front joint module to rotate; each joint module comprises an L-shaped connecting plate composed of two orthogonally-arranged fixing plates. The rotary driving mechanism comprises a motor, a speed reducer and an output flange which are in transmission connection; one of two fixing plates of the L-shaped connecting plate is connected with the output flange and rotates by taking a motor output shaft as a rotating shaft, and the other fixing plate is connected with the end effector and the connecting arm or is provided with a motor of an adjacent joint module; or one is connected with the connecting arm, and the other is provided with the motor of the adjacent joint module. The problems that an existing picking device cannot be modularly installed, the degree of freedom is fixed, and the application scene is single are solved.

Disclosed is a pair of corn snapping rollers. Each roller has a squared shaft to which intermeshed flutes or blades are bolted. The flutes or blades possess a series of triangular teeth ending in tips that firmly sink into the stalks to lower them and open cracks therein, regardless of their moisture or condition, with the teeth of a roller interspersed with those of their counterpart. Both rollers have the same diameter and tangential velocity. By rotating the rollers, the blades approach each other at a remarkably close distance of a few millimeters. The blades of the same roller may be equidistant from each other or may be paired, such that the distances between consecutive blades are unequal.

A crawler drive for an agricultural work machine, comprising front and rear main wheels, front and rear main frames associated with each respective main wheel, two support wheels, a running belt surrounding the two main wheels, and an articulation point through which the crawler drive is pivotably connected to a body of the agricultural work machine. The two main frames are coupled to one another to pivot about a common pivot axle, the support wheels are arranged on a common support frame, and the support frame is pivotably connected to the front main frame via a support wheel swing arm. The crawler drive further comprises a damping device with at least one piston-cylinder unit and hydraulically acting pressure device. The piston-cylinder unit is coupled at a swing arm end to the support wheel swing arm and at a frame end to the rear main frame.

An agricultural header transport system may include a body, a ground engaging component in contact with a surface, a propulsion system coupled to the body and configured to propel the body over the surface, a brake system coupled to the body and configured to alter speed of the body over the surface, and an input device coupled to the body. The input device may be configured to actuate selectively one or more of the propulsion system or the brake system.

The invention relates to the technical field of agricultural equipment control, in particular to an intelligent fusion control navigation system of a vegetable collection and transportation all-in-one machine, which comprises an image acquisition and preprocessing module, a cabbage ridge line identification and positioning module, a multi-source information fusion decision module and a path tracking and cooperative control module. The method comprises the following steps: collecting ridge row images through a visual sensor, executing multi-scale fusion denoising, histogram equalization and perspective correction, and extracting a clear visual navigation datum line; gNSS and IMU data are fused with visual information, and extended Kalman filtering is adopted to realize high-precision pose estimation; switching different operation modes based on the operation state machine, and dynamically generating a corresponding expected path; path tracking control is completed in combination with a pure tracking algorithm and a speed mapping table, and intelligent cooperative control over the whole receiving and operating process is achieved. According to the method, the ridge row identification robustness, the path tracking precision and the system collaborative operation capability are improved, and the method is suitable for automatic harvesting operation of cabbages in a complex farmland environment.

The invention discloses a wheat harvesting navigation path generation method and an automatic harvester, and relates to the technical field of automatic driving of agricultural machinery, and the wheat harvesting navigation path generation method comprises the following steps: S1, collecting three-dimensional point cloud data of a wheat field through a laser radar, and enabling a collection region to at least cover the region boundary of a harvested region and a non-harvested region; s2, performing noise reduction and voxel grid downsampling processing on the three-dimensional point cloud data to generate a two-dimensional elevation map; s3, setting grid characteristics and threshold values thereof according to the wheat variety height characteristics; and S4, carrying out binarization processing on the two-dimensional elevation map pixel by pixel based on the grid features and the threshold values thereof. According to the wheat harvesting navigation path generation method, boundary extraction and path conversion are carried out based on radar point cloud, the method has the characteristics of robustness and real-time performance, an automatic harvester based on the method can reduce the recutting rate and land rolling compaction during operation, and resources are effectively saved.

The invention discloses a corn harvester operation parameter detection control method and system based on visual identification, and relates to the technical field of computer vision and automatic control, and the method comprises the steps: collecting an image in a corn harvester ear collection box in real time, and taking the corn damage ratio and corn bract content in the ear collection box as indexes; constructing a pixel-level classification model and a target detection model; predicting the plurality of pixel-level label maps and the damage rate data of the single operation based on a harvest loss quality prediction model, and generating a corn ear harvest loss quality prediction value; constructing a corn harvester control model, and performing adaptive adjustment on the operation parameter data of the corn harvester; by integrating various sensors, key operation parameters of the corn harvester can be collected in real time, and self-adaptive optimization control over the operation parameters such as the height of a header, the rotating speed of a snapping roller, the rotating speed of a peeling roller and the rotating speed of an impurity removal fan is achieved, so that the optimal operation state can be kept under different plot conditions, crop varieties and water contents.

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.

The utility model discloses a spiral tobacco leaf picking mechanism and a spiral tobacco leaf picking device.The spiral tobacco leaf picking mechanism comprises a front spiral tooth and a rear spiral tooth which are located in the middle, and the front spiral tooth comprises a cylindrical front spiral tooth body and 2-6 front picking pieces which are evenly and longitudinally arranged on the circumference of the front spiral tooth body in a cross shape; the outer surface of the front picking piece is in a wave shape, and a front connecting rod is arranged at the end of the outer side of a front spiral tooth body. The rear spiral tooth comprises a cylindrical rear spiral tooth body and a rear picking rack spirally wound on the circumferential surface of the rear spiral tooth body, the outer surface of the rear picking rack is arranged to be in a gear shape, and a rear connecting rod is arranged at the end of the outer side of the rear spiral tooth body. The spiral tobacco leaf picking mechanism has the advantages that the spiral tobacco leaf picking mechanism can separate tobacco leaves on the front side, the rear side, the left side and the right side, step-by-step picking is achieved, the picking efficiency is high, the picking effect is good, time and labor are saved, and the labor intensity of tobacco planters is greatly reduced.

The invention relates to the technical field of wetland plant harvesting, in particular to a control method and device of a harvesting robot, electronic equipment and a storage medium. According to the harvesting robot control method provided by the invention, the target cutting position of the harvesting cutter of the harvesting robot is calculated based on the acquisition of the current distance of the harvesting robot relative to the surface of the filler in the modularized wetland; the target cutting speed of the harvesting robot is calculated by combining the type and the density of plants actually filled in the modularized wetland system, and the lifting mechanism and the driving mechanism are synchronously controlled to operate so as to harvest the plants. Thus, through intelligent sensing and cooperative control, precise, efficient and self-adaptive harvesting is achieved, manual intervention is remarkably reduced, the operation quality and the wetland maintenance efficiency are improved, and meanwhile damage to matrixes or plant roots is avoided.

One aspect of the present disclosure provides an electric work machine including a brushless motor, a drive circuit, and a control circuit. The control circuit executes a driving operation, a braking operation, and a switching operation. In the driving operation, the brushless motor is rotated based on a back-EMF of the brushless motor. In the braking operation, a switch pair of six switches in the drive circuit is turned on, and the other four switches are turned off. The switching operation is performed during the braking operation. The switching operation includes switching the switch pair. In the switching operation, an off-target switch is turned off based on an electric current flowing through the off-target switch satisfying an off-requirement.

The application discloses a kind of sugarcane harvester cutter disc cutting depth control method into soil, comprising the following steps: sensor is installed on sugarcane harvester;The sensor includes laser radar for detecting splashed soil;The cutting depth control model is constructed by cutting into soil cutting test, and the cutting depth control model includes the relationship model of weak signal ratio and cutting depth;When harvesting operation is carried out, the soil position thrown by cutter disc cutting into soil is scanned in real time by laser radar, and the signal scanned in real time is returned to background controller, weak signal in the signal scanned in real time is identified by background controller, and the percentage of weak signal point in total signal point is calculated;The percentage is compared with cutting depth control model, and the depth of current cutter disc into soil is found;Real-time adjustment cutter disc reaches preset ideal cutting depth.The application can control the depth of precision cutter disc into soil in real time, and it is beneficial to avoid the problems that sugarcane root height is not the same, and root breaks head.

The utility model belongs to the technical field of threshing devices, in particular to a low-loss threshing device for soybean harvesting, which comprises a threshing box, the top of the threshing box is communicated and fixed with a drying box with an opening on one side, the top of the drying box is fixedly connected with an air heater, and an output pipe of the air heater extends into the drying box and is communicated and fixed with a rectangular pipe. The hot-air blower and the motor are started, the hot-air blower discharges hot air into the air outlet cover through the rectangular pipe to be discharged, soybeans driving a shell are conveyed into the filter box in the threshing box through the conveying frame, the soybeans are dried through the air outlet cover in the conveying process, along with continuous rotation of the circular plate, the process is repeated continuously, and therefore the soybeans can be completely threshed. According to the soybean hulling device, continuous impact is formed, so that soybeans are hulled, after multiple times of impact and hulling, hulls of the soybeans gradually fall off, clean soybeans are left, the soybeans are discharged through a discharging opening, the hulls are retained in a filtering box, and therefore the soybeans are firstly subjected to drying treatment and then subjected to threshing, and loss is reduced.

The utility model relates to the technical field of tobacco harvesting, and provides a small portal frame crawler-type tobacco harvesting and transferring platform which comprises a portal frame, crawler chassis, a picking mechanism, a control system and a power system, and the crawler chassis is arranged at the bottoms of the left side and the right side of the portal frame; the picking mechanism comprises a manual picking device and a tobacco leaf collecting device, the manual picking device comprises a picking seat, the picking seat is arranged on the portal frame, the tobacco leaf collecting device comprises a tobacco leaf collecting and releasing device and a tobacco bundle collecting and releasing device which are connected to the portal frame, and the control system controls the power system to drive the crawler chassis. The device has the advantages that tobacco growers can sit on the picking seat for harvesting, labor intensity is reduced, tobacco leaves can be temporarily stored in the tobacco leaf collecting and placing device after being collected, operation is convenient, due to the small size, the device can work in a complex field environment, the tobacco leaves are picked in a machine-assisted and manual picking mode, and the labor intensity is lowered. The labor intensity of tobacco growers is relieved, and meanwhile the problem that the tobacco leaf breakage rate of an existing tobacco leaf harvesting machine is high is solved.

The invention relates to the technical field of agricultural machinery, and discloses a throwing cylinder automatic tracking system based on image recognition and a corn harvester with the same, the throwing cylinder automatic tracking system based on image recognition comprises a main control unit, the image acquisition unit is used for capturing and transmitting a real-time image at the throwing cylinder to the subsequent processing module; the PC processing unit is used for receiving the image data transmitted by the image acquisition unit and analyzing and processing the image data; an angle measuring unit; a system control logic unit; a user interface and interaction unit; by arranging the camera and the angle sensor, the position of the grass receiving vehicle can be automatically recognized to track the vehicle hopper, the forage condition in the vehicle hopper is automatically judged to partition the vehicle hopper, uniform forage spraying is achieved, reminding is conducted when the vehicle hopper is full of forage, intelligent harvesting operation of the agricultural machine is achieved, and the operation efficiency is improved; manual control over material spraying of the throwing cylinder is replaced, and time and labor are saved.

The invention discloses a whole-rod type sugarcane rotating disc discharging device and a harvester. The discharging device comprises a bearing mechanism used for bearing sugarcanes and a rotating disc discharging mechanism used for discharging the sugarcanes. The bearing mechanism comprises a bearing plate and a weight sensor used for detecting the weight of sugarcanes located on the bearing plate. The weight sensor is arranged below the bearing plate; the rotating disc discharging mechanism comprises a rotating disc, at least two rotating lifting pieces and a rotating driving mechanism, the rotating disc is vertically arranged, the rotating lifting pieces are fixedly arranged on the surface of the rotating disc, and a temporary storage overturning space used for temporarily storing sugarcane is formed between every two adjacent rotating lifting pieces; the bearing plate is of an arc-shaped structure, located under the rotary lifting piece and used for bearing the bottoms of the sugarcanes, and the rotary driving mechanism is used for driving the rotary disc to rotate. The non-strapping quantitative discharging device can realize non-strapping quantitative discharging, and has the advantages of simple structure, higher practicability, low failure rate and the like.