2019 results about "Tractor" patented technology

The invention relates to the technical field of agricultural equipment, in particular to a hybrid tractor whole machine dynamic property evaluation method fusing multiple working condition parameters, which comprises the following steps: acquiring an environment working condition parameter set, an operation task parameter set and an energy flow dynamic parameter set in real time; a dynamic coupling relation mathematical model is constructed based on the parameter set, the whole machine dynamic property characteristic values of the steady state working point and the transient working point are calculated respectively, and a whole machine dynamic property evaluation index set is generated; inputting the evaluation index set into a hardware-in-the-loop simulation platform, and verifying the effectiveness of the evaluation indexes through multi-modal working condition simulation; and constructing a three-dimensional dynamic property evaluation map based on the verified evaluation indexes, dividing dynamic property partitions, outputting the dynamic property partitions to the vehicle-mounted intelligent terminal in real time, and generating a self-adaptive control instruction set when entering a failure area. According to the invention, multi-source information fusion modeling, all-working-condition dynamic response evaluation and visual map feedback can be realized, and the dynamic adaptability and regulation and control intelligence of the hybrid tractor in a complex operation scene are improved.

The invention relates to the field of vehicle control, and particularly discloses a tractor hybrid power cooperative control method, system and device and a medium, and the method comprises the steps: collecting state parameters of a whole vehicle, an agricultural implement and a power system in real time, employing a fusion rule and a real-time optimized energy management strategy to analyze an operation mode, and calculating an initial power distribution target; dynamic coordination is carried out by taking optimal system efficiency and battery state maintenance as targets, smoothness verification and closed-loop feedback correction are carried out on an output instruction, and a final control instruction is generated, issued and executed; the system correspondingly comprises a perception analysis module, a decision making module, a coordination verification module, an execution module and a learning evolution module. By constructing full-link closed-loop control, self-adaptive dynamic optimization and reliable cooperation of the power system are achieved, the online learning ability is achieved, the problems that in a traditional method, control is extensive, response is delayed, and self-adaptability is lacked are effectively solved, and the operation economical efficiency, smoothness and long-term adaptability of the tractor are improved.

The invention discloses a tractor transportation operation working condition construction method based on improved particle swarm optimization and KMeans fusion, and relates to the technical field of agricultural machinery working condition analysis. The method comprises the following steps: acquiring original data of tractor transportation operation through a plurality of data acquisition modes, and carrying out preprocessing and three-stage screening to obtain an effective kinematics fragment; selecting multi-dimensional characteristic parameters to construct a characteristic matrix, and performing data dimension reduction by adopting principal component analysis; optimizing a KMeans clustering initial center by using an improved particle swarm optimization (IPSO) algorithm which introduces a dynamic inertia weight and a Gaussian mutation strategy, and performing clustering analysis on the feature space after dimension reduction; and selecting representative fragments based on feature similarity, and synthesizing a standardized working condition curve by taking the sum of average relative errors of all feature dimensions as a target function. According to the method, the problems that a traditional clustering algorithm is prone to falling into local optimum and the working condition construction accuracy is insufficient are solved, the constructed working condition can truly and comprehensively reflect the actual transportation operation characteristics of the tractor, and a reliable basis is provided for tractor power system optimization, operation efficiency improvement and energy consumption reduction.

The present disclosure relates to a system configured to enhance the monitoring and control of agricultural equipment, particularly when different tools or implements are attached to an agricultural vehicle such as a tractor. In examples, this system is equipped with sensors that detect changes in the equipment's configuration, such as when implements are swapped or adjusted. Upon recognizing these changes, the system selects an appropriate sensor profile to effectively monitor the tool and the environment surrounding the agricultural vehicle and the agricultural implement. Monitoring the agricultural system allows for real-time adjustments to the vehicle's steering and operational functions, ensuring optimal performance. Additionally, the system alerts the operator if manual intervention is needed and autonomously adapt to new configurations, which may include compensating for wear or misalignment of the implements, according to examples.

The invention provides an unmanned aerial vehicle and unmanned tractor collaborative operation method, which comprises the following steps: step 1, scanning and constructing a two-dimensional grid map of a field environment through a laser radar installed on an unmanned aerial vehicle, and sending the two-dimensional grid map to an unmanned tractor; step 2, the unmanned tractor carries out field full-coverage path planning based on the two-dimensional grid map and by considering tractor steering constraints; step 3, performing a path tracking task by the unmanned tractor based on field full-coverage path planning; and 4, when the path tracking task is carried out, information obtained by real-time scanning of a laser radar carried by the robot is fused, obstacle detection is carried out, and the path is dynamically updated to be a collision-free path according to the obstacle.

The present invention relates to the field of tractors, and discloses a vehicle tractor. The vehicle tractor includes a traction front arm which is inserted and mounted in a trailer inserting end, and a traction rear arm which is mounted at a vehicle head connecting end. Through an arranged insertion prompting mechanism, under the action of damping telescopic rods and a connecting spring, a turning-over plate is abutted against the vehicle head connecting end, whereby a limiting effect is achieved, and the vehicle head connecting end is prevented from sliding; and on the other hand, when the turning-over plate turns over, the meshing gear on a front side of the turning-over plate moves upwards to be meshed with the transmission gear, at this time, the transmission gear rotates clockwise, connecting arms connected to the transmission gear through transmission shafts rotate clockwise along with the transmission gear.

The invention provides a control system and method for power distribution and power generation control of an extended-range agricultural machine based on intelligent identification of a working road surface and a hybrid tractor. The control system comprises the following steps: identifying a field type by collecting image information of a driving road, calculating required power of a vehicle range extender in a corresponding working scene based on the field type, and controlling a range extender assembly; and adjusting the torque of the driving motor and the driving motor based on the field type, the rotating speed of the driving motor and the vehicle speed. Based on field type recognition and historical working data, accurate distribution of driving force and efficient and stable power generation of the range extender can be achieved, the safety and the service life of a power battery are guaranteed, and the farmland operation efficiency of the tractor is improved.

The invention discloses a tractor dynamic load reliability coupling test system and method, and belongs to the technical field of non-road vehicle testing. The system comprises a multi-dimensional data management platform, a tractor dynamic load reliability coupling test bench, a performance analysis platform and a data server. The multi-dimensional data management platform collects field working condition data and test data, the test bench integrates a plurality of loading systems and simulation systems such as direct-drive type driving wheels, and a plurality of functional parts of the tractor can be dynamically coupled, loaded and tested at the same time in a simulated field environment; and the performance analysis platform is connected with the data server, and evaluates the comprehensive performance and reliability of the whole tractor and the functional parts thereof through a quantitative formula. According to the invention, indoor reproduction of a field operation scene is realized, test efficiency and reliability evaluation comprehensiveness are improved, and the method is suitable for whole tractor performance test.

A containment plow adapted to be mounted to a vehicle such as a skid steer, a wheeled loader, or a tractor comprises a moldboard frame, a moldboard mounted to the moldboard frame, a wing pivotally connected to the moldboard frame adjacent each end of the moldboard, a moldboard cutting edge mounted to a lower edge of the moldboard and comprising a plurality of cutting edge segments, and a wing cutting edge mounted to a lower edge of each wing. Each moldboard cutting edge segment is mounted so as to have two rotational degrees of freedom movement relative to the moldboard and one translational degree of freedom movement relative to the moldboard. Each wing cutting edge is mounted so as to have two rotational degrees of freedom movement relative to the wing.

The present invention relates to the field of tractors, comprising: in the process of adjusting the sliding support head by the vehicle tractor, the user needs to unscrew the locking bolt, so that the front end of the locking bolt is separated from the locking screw hole of the vertical adjusting end. The friction force between the sliding support head and the vertical adjusting end can be reduced, so that the sliding support head can slide more easily; on the other hand, the talcum powder located in the talcum powder cylinder is attached to the surface of the roller, so that a layer of thin film can be formed between the contact surface of the vertical adjusting end and the sliding support head, so that the movement is smoother, and the abrasion generated by the vertical adjusting end and the sliding support head in the subsequent traction process is protected.

The utility model discloses a turnover plow capable of adjusting the plowing width in a partitioned mode. The turnover plow comprises a plowshare assembly, a turnover block, a turnover block clamping plate, a supporting wheel assembly, a girder, a head ploughshare and a plurality of tail ploughshares. The middle part of the plowshare assembly is connected with an overturning block through a bearing; the overturning block is 7-shaped; the tail end of the overturning block is hinged to the front end of the girder; an adjusting screw rod is arranged between the overturning block and the girder; overturning block clamping plates are arranged on the upper surface and the lower surface of the overturning block; the overturning block clamping plate is connected with a head ploughshare through a head ploughshare adjusting plate; the plurality of tail ploughshares are sequentially arranged on the girder; the supporting wheel assembly is arranged in the middle of the girder; a plurality of groups of head ploughshare adjusting holes are formed in the overturning block clamping plate and are connected with adjusting plate positioning holes in the head ploughshare adjusting plate through pins. The distance between the head ploughshare and the tractor wheel can be rapidly adjusted through the pin, and the situation that the head ploughshare is not matched with the ploughing width of the tractor wheel is avoided so as to adapt to different tractor wheel tracks.

The invention relates to a driving system for a hybrid tractor, which comprises an engine, a generator, a front motor and a rear motor, and the engine is in transmission connection with a PTO (Power Take Off); the front axle input shaft is in transmission connection with the front motor and the normally-combined clutch input shaft, a normally-combined clutch is arranged on the normally-combined clutch input shaft, a parking brake is arranged on the normally-combined clutch input shaft, and the parking brake is connected with the rear axle. An input shaft of the normally-combined clutch is in transmission connection with a small cone shaft, a mode switching clutch is arranged on the small cone shaft, the small cone shaft is in transmission connection with the input shaft of the normally-combined clutch and a rear motor, and one end of a sun wheel shaft is connected with a rear wheel through a planetary gear mechanism. And a service brake is arranged on the sun wheel shaft. The normally-combined clutch input shaft, the normally-combined clutch and the transmission mechanism are arranged between the front axle and the rear axle, so that the four-wheel braking function is achieved.

Motor vehicle trailers (14) for events including: a chassis with a coupling device for a tractor (12); a frame structure surrounding an interior (22) of the motor vehicle trailer (14), wherein the frame structure is arranged on the chassis; wherein at least two separate compartments are created in the interior of the motor vehicle trailer (14), and at least one of the rooms is designed as a sanitary room (18) with a toilet (20).

The utility model discloses dragging equipment for a fishpond aerator. The dragging equipment comprises a driving device, a transmission device, a hanging assembly and a limiting block set. The driving device is arranged at one end of the fishpond, and the transmission device is arranged at the other end of the fishpond relative to the driving device; the two ends of the mounting assembly are slidably connected to the driving device and the transmission device, the aerator and the limiting block sets are connected to the mounting assembly, and the aerator is arranged between the limiting block sets. The driving device and the transmission device are arranged at the two ends of the fishpond respectively, the hanging assembly can slide in the whole fishpond range, and therefore the aerator can flexibly move in the needed time and place. Therefore, the efficiency of oxygenation operation is improved, and the uniformity of oxygen distribution in each area of the fishpond is ensured.

The invention discloses an intelligent energy management control method, device and equipment for an electric tractor and a medium thereof, and relates to the technical field of electric drive control in agricultural machinery and vehicle engineering. Planning a global energy demand based on a predicted load; dynamically optimizing control and distribution in real time; executing and coordinating control; by constructing a dynamic closed-loop control framework integrating feedforward prediction and real-time feedback, energy management of the electric tractor can be passively responded in real time, and through multi-source information fusion and intelligent prediction, the prediction result is creatively used as feedforward input in a real-time control layer and is combined with current running state feedback, so that the real-time control of the electric tractor is realized. The control system can smooth instantaneous power impact caused by soil mutation and topographic relief, and the service life of a core power component is remarkably prolonged; in addition, through the combination of pre-matching and dynamic fine adjustment, the operation endurance mileage of the whole vehicle and the economy of the whole life cycle are improved.

A ride-on outdoor power equipment, comprising a chassis a pair of front wheels coupled with the chassis, a pair of rear wheels coupled with the chassis, a mower deck supported by the chassis, and a battery assembly configured to power a drive motor. The battery assembly may include a plurality of battery packs, and a receptacle defined in part by a bottom wall. The receptacle may include a plurality of bays, each bay having a receiver extending away from the bottom wall, the receiver configured to guide a battery pack within the bay, and a power connector spaced a distance from the bottom wall, the power connector configured to engage the pack connector to electrically couple the battery pack to the receptacle, where the receptacle is angled at an acute angle relative to an operating plane.

The invention discloses a suspension type laser weeding robot, and relates to the technical field of agricultural robots. The problems that an existing self-propelled laser weeding robot is complex in structure, large in weight, high in cost and short in endurance due to the fact that the robot is provided with a walking system and a power source, calibration is tedious due to non-coaxial arrangement of a vision system and a laser system, and aiming precision is prone to being interfered are solved. The suspension type laser weeding robot comprises a rack, a suspension device, a transmission system, a laser weeding module and an electric control system. The suspension device is connected with the rack and a tractor. The transmission system converts power of the tractor into electric energy. The laser weeding module comprises a shell, a connecting seat, a galvanometer system, a camera and an inclined optical filter; the light filter enables a refraction light path of the camera to coincide with a transmission light path of the galvanometer system, and coaxial aiming is achieved. The electric control system distributes and controls electric energy. The advancing power of the whole machine is provided by a tractor. The laser weeding device is used for realizing efficient and accurate laser weeding operation based on the power of the tractor.

The utility model discloses a disc brake traction machine with an anti-friction disc structure. A main shaft penetrates through a machine base and is connected with a traction wheel and a brake; the stator winding iron core and the rotor are both arranged in the machine base, and the rotor is arranged outside the stator winding iron core and connected with the main shaft. The first bearing and the second bearing are arranged between the machine base and the main shaft. The machine base is connected with a machine base end cover, the brake is arranged on one side of the machine base end cover, a first shock pad and a second shock pad are arranged on the main shaft and arranged on the two sides of a brake disc of the brake respectively, and an adjusting pressing plate is arranged on the side, close to the second shock pad, of the end of the main shaft. The first shock pad and the second shock pad are arranged on the two sides of the brake disc, meanwhile, the position of the brake disc on the main shaft is limited by adjusting the pressing plate, and the brake disc can be reset in the action process of the brake through the elastic force of the first shock pad and the elastic force of the second shock pad. And noise generated by friction between the brake disc and the engine base end cover and between the brake disc and the armature surface is greatly reduced.

The utility model provides an electric air-suction type high-efficiency high-seed-throwing-rate multifunctional seeder which is driven by a tractor, the tractor is matched with a high-power generator, and the output voltage of the high-power generator is determined by the number of seeding monomers; and each seeding unit adopts an independent electric fan and an air suction type seeding device. According to the utility model, the conditions that the existing air suction type seeding machine is of a power output driving fan structure, is influenced by the size of an accelerator of a tractor and clutch switching during gear shifting, often causes the phenomena of seed loss and miss seeding due to unstable wind power or wind power interruption, and does not have a matched air suction type seeding machine with the power of less than 90 horsepower are changed. Compared with a traditional air suction type seeding machine, the air suction type seeding machine can normally work in the field without reseeding, can save 2000-3000 seeds every day, can normally work when the rotating speed of a tractor is 900 revolutions or above, and can save fuel cost by 30% or above every day compared with the traditional air suction type seeding machine.

The utility model relates to the technical field of hydraulic systems, in particular to an oil return compensation multi-way output hydraulic system for a tractor and the tractor, the input end of a main pump is communicated with a hydraulic oil tank, the output end of the main pump is connected with a port P of a multi-way output valve through a pipeline, and a plurality of valve assemblies are arranged in the multi-way output valve; the valve assembly is connected with a pressure feedback channel of the multi-way output valve through a shuttle valve, an oil return opening of the valve assembly is connected with an oil inlet of the pressure compensation valve through a pipeline, an oil return opening of the pressure compensation valve is communicated with the hydraulic oil tank through an oil return pipe, and an oil outlet of the shuttle valve conveys screened load pressure to a non-spring side control cavity of the pressure compensation valve. A load sensitive oil port of the valve assembly is connected with a spring side control cavity of the pressure compensation valve through a load feedback oil way. According to the utility model, multiple loads can work at the same time, and the opening of the pressure compensation valve is reduced through the screening of the shuttle valve, so that the balance of each load is obtained, and the adaptability, comfort and safety of the tractor and an executive component are higher.

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 invention relates to the field of winding devices, in particular to a winding method and a winding device adopting the method. The method comprises the steps that a preceding wire coil is constructed as the traction end of a wire, any rear wire coil opposite to the preceding wire coil is provided with a fixed area, and the wire capable of being fixed to the wire coil always exists in the area; the wire rod is fixed in front of the rear wire coil and is restrained by the front wire coil and the pay-off end; afterwards, the part between the traction end and the rear wire coil fixing end is cut off. According to the invention, the prior wire coil to be discharged is used as a tractor, and the wire is always in a restrained state before being cut off. A target area with a fixed position is provided for the fixing element, and the target area is located in an action path of the fixing element, so that the target area can be firmly pressed on the rear wire coil. And in the subsequent thread breaking operation, only one fixed new thread end is generated, so that equipment and procedures for capturing the thread end do not need to be added.

This utility model discloses an anti-loosening fastening device for tractor units, belonging to the field of tractor unit technology. The anti-loosening fastening device includes a front connecting plate and a rear connecting plate. A movable combined arm is installed at the rear end of an adjusting frame, and a viscous damper is installed between the two movable combined arms. Hydraulic dampers are installed between the front and rear connecting plates and the adjusting frame. This utility model solves the problem that existing tractor unit fastening devices become loose due to vehicle vibrations, failing to maintain a stable working state. By connecting the hydraulic damper and the viscous damper, this utility model achieves a good connection between the front and rear connecting plates. During tractor turning, the front and rear connecting plates are subjected to tension and traction forces, causing movement. During this movement, the hydraulic damper and the viscous damper limit movement and reduce vibration, effectively achieving an anti-loosening effect.

The novel 20Kw aluminum alloy PTO gear box comprises a front box cover, an input shaft and a large gear, a rear box cover is installed on the outer side of the rear end of the front box cover, a vent valve is arranged in the upper end of the front box cover in a communicating mode, and an output shaft is installed in the upper end of the rear box cover; an input shaft is installed in the lower end of the front box cover in a penetrating mode, and the rear end of the input shaft is connected with a bearing. A large gear is installed on the outer side of the input shaft. The utility model belongs to the technical field of PTO gear boxes, and aims to solve the problems that in the prior art, a hydraulic system of a tractor is small in flow, a power output shaft and a gear pump are difficult to install, and a small-power gear box is insufficient in power, so that the flow of the gear pump connected with the small-power gear box is insufficient. The technical effect is that the problems that the flow of a hydraulic system of the tractor is small, the power output shaft and the gear pump are difficult to install, and the flow of the gear pump connected with a small-power gear box is insufficient due to insufficient power of the small-power gear box are effectively solved.

A towbarless tractor for towing an airplane having a nose landing gear includes a chassis, a body supported on the chassis, and a capture system. The capture system includes a lift body coupled to at least one of the body or the chassis, a cradle coupled to the lift body, and a side-shift actuator configured to selectively move the cradle along a lateral direction relative to the body.

A prestressed steel strand automatic discharging binding system and a construction method thereof, comprising the following steps: step one, the steel strand to be arranged is inserted into the clamping hole of the storage groove, the motor is turned on to drive the rotation of the storage groove, and the steel strand is wound into the storage groove. Step two, the steel strand passes through the automatic cutting device and the tractor, and when the length reaches the designed length, the automatic cutting device automatically cuts off the steel strand. Step three, after the discharging of the steel strand is completed, the storage groove is rotated to make the steel strands in the multiple storage grooves be synchronously output from the upper part and enter the transition folding box. Step four, the multiple steel strands pass through the transition folding box, the steel strands enter the steel strand receiving cylinder, and then are conveyed to the automatic binding device, and the automatic binding device falls. Step five, the storage groove continues to push until the automatic pushing device clamps the steel strand. The present application solves the technical problems of traditional manual one-by-one traction discharging and binding with iron wire, slow construction speed, and easy rusting and scratching of the steel strand due to storage on the ground, which affects the quality.

The present application relates to asphalt pavement repair equipment technical field, especially in kind of asphalt pavement repair paste efficient paving device and use method, trailer frame is fixedly connected trailer hook through a plurality of tractor, in the trailer frame from front to back is sequentially provided with milling device, first compaction device, fixed tow device, bearing plate and second compaction device;Milling device is used to process diseased pavement, first compaction device is used to preliminary compaction asphalt pavement repair paste, fixed tow device is used to tow one side of asphalt pavement repair paste, and this side is fixed on one side of diseased pavement, the bearing plate is placed on the cutting asphalt pavement repair paste, and heating device is arranged on the bearing plate, heating device simultaneously heats asphalt pavement repair paste and diseased pavement, and second compaction device is used to final compaction asphalt pavement repair paste.The device of the present application can be used for automatic mechanization to carry out asphalt pavement repair paste paving, and more manpower is no longer needed to work, which greatly improves work efficiency.

The utility model relates to an external air filter reinforcing structure and a tractor, the external air filter reinforcing structure comprises a portal frame and at least two mounting racks arranged at intervals, one end of each mounting rack is connected to the portal frame, and the other end of each mounting rack is used for being detachably connected to an external air filter. According to the external air filter, the technical problem that an existing external air filter shakes severely due to vehicle vibration, branch collision and the like in the using process can be solved.

1. The name of the design product: tractor counterweight tool box. 2. The use of the design product: for tractor head counterweight and tool storage. 3. The design features of the design product: in shape. 4. The picture or photo that best shows the design features: perspective view. 5. The bottom view is symmetrical with the top view, and the bottom view is omitted.