55 results about "Agricultural tractor" patented technology

The invention discloses an electronic traction control method and device of an extended-range tractor and a storage medium in the technical field of agricultural tractors. The method comprises the steps that the final output vehicle speed is calculated according to the first positioning speed, the second running speed, the third estimation speed and the fourth motor speed; calculating actual slip rates of the four wheels according to the final output vehicle speed and the wheel speeds of the four wheels; based on the current road adhesion coefficient obtained in real time and a pre-constructed road mu-lambda characteristic database, the optimal slip rate of the four wheels is obtained; calculating a slip rate difference value and a slip rate difference value change rate based on the optimal slip rate and the actual slip rate; when the actual slip rates are all smaller than the preset minimum slip rate, torque required by a driver is output; and when the change rate of the slip rate difference value exceeds a preset change rate threshold value, outputting a correction torque output by a fuzzy PID control framework. The technical problem of working condition limitation caused by dependence on tilling depth adjustment in the prior art can be solved.

The invention discloses an intelligent control method for a multi-fuel-tank fuel system of an agricultural tractor, and relates to the technical field of agricultural machinery fuel control, and the method comprises the following steps: under the control of a processor, taking an ignition switch state as a trigger: obtaining a first environment temperature during power-on, and outputting a fuel pipeline switching valve opening / closing signal in combination with the fuel quantity of a low-grade fuel tank; pre-selecting an oil path; after starting, the heating electromagnetic valve is opened and closed according to the temperature of cooling liquid, and the high-grade fuel tank is switched back based on the temperature of fuel oil, so that heating and closed-loop management of an oil path are realized; and when the power is off, taking a second environment temperature, forcibly switching to a low-grade oil way when the temperature is less than or equal to 4 DEG C, operating for a set time, and then flameout, so that the system retains low-grade fuel oil. By automatically switching fuel oil and heating control, reliable starting and economical operation of the tractor in a low-temperature environment can be ensured, low-grade fuel oil is reserved in a pipeline after flameout, and difficulty in restarting is avoided.

A tire analysis method and system for determining characteristic parameters of an agricultural tractor provided with two front wheels supporting two front tires and with two rear wheels supporting two rear tires. A first rotation sensor is mounted on a first wheel, a second rotation sensor is mounted on a second wheel; the agricultural tractor is driven along a straight path; while driving the agricultural tractor along the straight path, the total number of revolutions made by the first wheel and by the second wheel are measured; and at least one characteristic parameter is determined using the total number of revolutions made by the first wheel and by the second wheel.

In a tillage implement for being towed by an agricultural tractor across ground to be towed and having a main frame supporting a plurality of tillage units thereon in which each tillage unit includes a disc supporting arm mounted on the main frame, disc mounting assemblies support respective tillage discs on the disc supporting arms. Each assembly includes a mounting body forming a socket therein and a shaft partly received within the socket so as to support a tillage disc on a hub rotatable on a portion of the shaft protruding from the mounting body. The shaft includes a tapered shaft section received within a tapered socket section in the socket of the mounting body to securely and releasably mount the shaft relative to the mounting body.

Device (14) for transferring liquid manure from a storage tank (8) to a spreading tank (4) towed by an agricultural tractor (2), comprising a front pipe section (16) with a suction end (12) connectable to the storage tank (8), to which a pump (100) is assigned, and an upper pipe section (28) which is fluidically connected to the pump () and which is adapted for fluidic connection to the spreading tank (4), characterized in that the pump (100) has a motor (110) arranged between at least two pipe sections (112) fluidically connected to the suction port (10) and the upper pipe section (28).

This invention discloses a method and system for constructing a lifespan degradation model and predicting the lifespan of an agricultural tractor battery system. The method includes: First, constructing a cyclic aging model and a calendar aging model for the agricultural tractor battery system. The cyclic aging model captures the influence of temperature on battery degradation and the role of different aging mechanisms during the cyclic use of the agricultural tractor battery system. The calendar aging model captures the capacity degradation of the agricultural tractor battery system during storage. The model parameters of the cyclic aging model and the calendar aging model are obtained by fitting corresponding experimental data, thus constructing the cyclic aging model and the calendar aging model. Then, using the calendar aging model as the primary model, the cyclic aging model and the calendar aging model are fused to construct a lifespan degradation model that can accurately predict the lifespan degradation of the agricultural tractor battery system. The lifespan degradation model can accurately predict the amount of lifespan degradation of the agricultural tractor battery system.

The invention relates to a clutch device (1) for an agricultural tractor, comprising a friction clutch (5), which has a counter plate (2), a pressure plate (3) which can be axially moved relative to the counter plate (2), and a clutch disc (4) which can be frictionally pressed between the counter plate (2) and the pressure plate (3), and comprising an actuating device (6) for axially moving the pressure plate (3), an actuating lever (7) of the actuating device (6) being pivotably mounted on a bearing device (8) fixed to the housing and being axially movably coupled to the pressure plate (3) indirectly via an actuating device (6) intermediate lever (9) which is pivotally mounted on the actuating lever (7). The radially inner end (10a) of the actuating lever (7) is coupled to an axially movable actuating ring (11), and the radially inner end (12a) of the intermediate lever (9) rests against a bearing surface (13) of an adjustable ramp device (14) while the radially outer end (12b) thereof is axially movably coupled to the pressure plate (3). The ramp device (14) is designed to adjust the actuating lever (7) starting position, which can be changed due to a wear-induced movement of the pressure plate (3) relative to the counter plate (2), and the ramp device (14) has a drive (16) which is controlled on the basis of wear and comprises a biasing device (17), said biasing device being designed to store drive energy for the ramp device (14), and a blocking device (18), said blocking device blocking the biasing device (17) in a blocking state. The blocking device (18) additionally has a coupling mechanism (39).

The utility model provides a kind of spraying device of fertilizer pesticide, including plow frame, plough share, soil covering plate, fertilizer storage tank and spray pipe, the plow frame bottom is provided with at least one row of plough share, the soil covering plate is installed in the tail portion of the plow frame, the fertilizer storage tank is installed on the plow frame by support, the spray pipe is arranged between the plow frame and the soil covering plate, the spray pipe bottom is provided with multiple spray nozzles, the spray nozzle is one-to-one corresponding with the plough share;The spray pipe is sequentially connected pump machine and the fertilizer storage tank by pipeline;Plow frame is installed on agricultural tractor by suspension device, and plough share in the bottom of plow frame can plough as agricultural tractor moves, ammonia water fertilizer in fertilizer storage tank is injected into furrow by spray pipe, then realizes soil covering by soil covering plate, to reduce the volatilization of ammonia water fertilizer, the present application can realize ploughing, fertilizer injection and soil covering operation in dry land operation, high efficiency and convenient to use, suitable for large-scale popularization and use.

The utility model discloses a peanut film mulching seeder which comprises a moving plate, the moving plate is installed on an external agricultural tractor, a film mulching assembly, a seeding assembly and a fertilizing assembly are installed at the bottom of the moving plate, the fertilizing assembly is located between the seeding assembly and the film mulching assembly, and the film mulching assembly comprises a film rolling roller. A mounting opening for mounting a mulching film is formed in the peripheral side surface of the film rolling roller; and the film mulching assembly further comprises a pressing plate. The first motor is driven to drive the film rolling roller to rotate, so that a mulching film is released, then the pressing plate moves to the position above the mulching film, the output end of the air cylinder is driven to drive the pressing plate to move downwards till one end of the mulching film is pressed into soil, then the output end of the air cylinder is controlled to move upwards to return to the initial position, and at the moment, sandy soil can be scattered above the mulching film. The mulching film is automatically fixed to the land, automatic soil covering is carried out, the position of the mulching film is prevented from moving in the laying process, and the laying effect of the mulching film is improved.

Coupling device (1) for an agricultural tractor, comprising a counter plate (2), a pressure plate (3) axially displaceable relative to the counter plate (2) and a clutch disc (4) pressed between the counter plate (2) and the pressure plate (3) by frictional engagement, an actuating device (6) for axially displacing the pressure plate (3), wherein an actuating lever (7) of the actuating device (6) is pivotably arranged on a housing-fixed bearing device (8) and is indirectly coupled axially displaceably to the pressure plate (3) via an intermediate lever (9) of the actuating device (6) pivotably mounted on the actuating lever (7), wherein the actuating lever (7) is coupled at its radially inner end (10a) to an axially displaceable actuating ring (11) and the intermediate lever (9) bears at its radially inner end (12a) against a support surface (13) of an adjustable ramp device (14), while its radially outer end (12b) is axially displaceably coupled to the pressure plate (3), wherein the ramp device (14) is designed to readjust an initial position of the actuating lever (7) which may change as a result of a wear-related displacement of the pressure plate (3) to the counter plate (2), wherein the ramp device (14) has a wear-dependent controlled drive (16) with a pre-tensioning device (17) designed to store drive energy for the ramp device (14) and a locking device (18) blocking the pre-tensioning device (17) in a locking state, wherein the locking device (18) has a coupling gear (39).

The present invention relates to technology for improving the cooling efficiency of an air conditioner in an agricultural tractor. Provided is an agricultural tractor comprising: a blower (131) that draws in outside air; a temperature control unit (132) that is provided with the air (hereinafter referred to as 'inflow air') drawn in from the blower (131) and regulates the temperature of the inflow air; and an air guide part (133) that guides the flow direction of the inflow air so that the inflow air uniformly reaches the temperature control unit (132). The present invention has the effect of improving cooling efficiency because the inflow air drawn into the air conditioner by the blower (131) uniformly reaches an evaporator.

Title: Two-Wheeled Vehicle Carrier Support on an Agricultural Tractor The invention relates to a load carrier support (1) for an agricultural tractor, characterized in that it comprises: - a frame (2) having attachment points (21) for the front or rear lift arms of an agricultural tractor; - a platform (3); - a rail (4) integrated at least partially into a thickness of the platform (3), the rail (4) extending between the two lateral edges (31) of the platform (3), and defining a receiving groove (40) for the wheels of a two-wheeled vehicle. Figure for the abstract: Fig. 1

An agricultural tractor includes a vehicle frame, and a front housing supported by the vehicle frame. The front housing includes, a fixed housing portion fixed to the vehicle frame, a movable housing portion supported by the vehicle frame or the fixed housing portion and being openable and closeable.

Arrangement for the height-adjustable mounting of a trailer coupling on an agricultural vehicle, in particular an agricultural tractor, with two parallel, vertically extending guide rails (12), and with sliding rails (14) mounted longitudinally displaceable within the guide rails (12) and lockable by means of an associated locking device (44), wherein each of the sliding rails (14) has a longitudinally extending guide groove (16) for receiving a height-adjustable coupling element (18).

The present invention relates to a suspension device capable of protecting a driver from external force applied in various directions. The present invention provides an agricultural tractor having the suspension device comprising a first stopper which protrudes to a certain height from a support bracket, and is provided with a vibration-proof member on the upper end portion thereof facing a cabin, wherein the first stopper includes the vibration-proof member disposed at the lower end of the cabin and installed to be spaced apart from the cabin. According to the present invention, driver's safety can be effectively secured in various operating situations.

Coupling device (1) for an agricultural tractor, with a friction clutch (5) comprising a counter plate (2), a pressure plate (3) which is axially displaceable relative to the counter plate (2) and a clutch disc (4) which can be pressed between the counter plate (2) and the pressure plate (3) by frictional force, an actuating device (6) for axially displacing the pressure plate (3), wherein an actuating lever (7) of the actuating device (6) is pivotably arranged on a housing-fixed bearing device (8) and is indirectly coupled axially displaceably to the pressure plate (3) via an intermediate lever (9) of the actuating device (6) pivotably mounted on the actuating lever (7), wherein the actuating lever (7) is coupled at its radially inner end (10a) to an axially displaceable actuating ring (11) and the intermediate lever (9) bears at its radially inner end (12a) against a support surface (13) of an adjustable ramp device (14), while its radially outer end (12b) is axially displaceably coupled to the pressure plate (3), wherein the ramp device (14) is designed to readjust an initial position of the actuating lever (7) which may change as a result of a wear-related displacement of the pressure plate (3) to the counter plate (2), wherein the ramp device (14) has both a ramp ring (15) defining the support surface (13), which can be driven by a drive (16) having a preloading device (17), and a locking device (18) which is designed such that in its locking state it directly blocks the ramp ring (15).

The application relates to the technical field of intelligent fault diagnosis, and discloses an intelligent fault diagnosis method and system for an agricultural tractor engine, the method comprising the following steps: collecting vibration, temperature and rotating speed original operation parameters of key positions of the tractor engine, obtaining a denoising parameter sequence through multi-point synchronous collection and denoising treatment; extracting time sequence characteristic analysis parameters to analyze parameter change trends, triggering abnormal detection when the parameters exceed a preset threshold value, and determining local abnormal components of the engine; combining a historical fault database to perform component fault potential correlation analysis and generate a cause distribution diagram, matching real-time correlation data to locate implicit damage components; adjusting engine load parameters, synchronously updating a fault library and optimizing fault matching rules, and generating fault diagnosis basis suitable for a current working environment. The method can realize accurate diagnosis, early warning and closed-loop self-optimization of diagnosis rules of engine faults under complex working conditions.

The present invention relates to a towing device for an agricultural tractor capable of securing sufficient durability to withstand a load applied by a working machine. The present invention provides a towing device for an agricultural tractor, comprising a support installed at a rear end portion of the agricultural tractor and supporting at least a portion of a drawbar, wherein the support comprises a plurality of reinforcing members connecting and coupled between a first support and a second support, and at least one of a coupling portion between an upper end portion of each of the plurality of reinforcing members and the first support and a coupling portion between a lower end portion of each of the plurality of reinforcing members and the second support is coupled by fastening a fastening means. According to the present invention, stable towing is possible even when a high-load working machine is mounted, and work efficiency can be improved.

The present disclosure is directed to an agricultural tractor. The agricultural tractor according to the present disclosure may perform gear shifting and RPM adjustment with the same operation pedal according to a control mode, may perform gear shifting with an operation pedal or a sub-controller, and may change a driving direction with a steering handle or the sub-controller. According to the present disclosure, the risk of erroneous operation and the like is minimized, work efficiency is improved, and the convenience of controlling an agricultural tractor is also improved.

The present invention relates to a wiring structure of a work light installed on an agricultural tractor. Provided is an agricultural tractor in which a frame structure of the present invention comprises a plurality of support poles provided so as to extend in the height direction of a cabin, wherein the upper end portion of at least any one support pole among the plurality of support poles is provided with a wiring portion for wiring, from the outside to a boarding space side, an electric wire of an electrical component installed on the outside of the cabin. According to the present invention, by having a structure in which, even when water flows in through a wiring hole exposed to the outside, the water is immediately discharged to the lower side of the support pole, the effect of minimizing the possibility of water entering into the cabin may be achieved.

The utility model discloses a multifunctional grain transfer vehicle which comprises a vehicle frame, a compartment is installed on the vehicle frame, wheels are further installed on the vehicle frame, a hydraulic cylinder is further installed at the lower end of the vehicle frame, the vehicle frame and the compartment are hinged together, the fixed end of the hydraulic cylinder is fixedly connected with the vehicle frame, and the telescopic end of the hydraulic cylinder is fixedly connected with the lower end of the compartment. A connecting frame is fixedly connected to one side of the frame, a supporting structure is installed in the connecting frame, when the technical scheme is implemented, through use of a hydraulic cylinder, a user can conveniently dump grain in a compartment, then a farmer can conveniently transfer the grain, and when the device is used, the device is connected to an agricultural tractor, so that the device is convenient to use. When the device is not connected with a tractor, the carriage can be in a straight state through the supporting structure, then the carriage can serve as a temporary storage structure of grains, and the use scenes and functions of the device are increased.

The application provides an integrated ridging and mulching and hole planting combined operation device, relates to the astragalus membranaceus planting technical field and comprises a supporting assembly. A rotary cultivator, a pipeline laying assembly, a mulching film laying assembly, a film pressing assembly, a ridge forming assembly and a hole planting assembly are sequentially arranged on the supporting assembly from front to back. The front end of the supporting assembly is used for connecting an agricultural tractor, so that rotary tillage, pipeline laying, mulching film laying, film pressing, ridging and hole planting operations are sequentially completed when the integrated machine is towed by the agricultural tractor. The rotary cultivator, the pipeline laying assembly, the mulching film laying assembly, the film pressing assembly, the ridge forming assembly and the hole planting assembly are integrated and installed on the same supporting assembly, so that the rotary tillage, the pipeline laying, the mulching film covering, the film pressing, the ridging and the hole planting operations can be sequentially completed once the device enters the soil. Compared with the traditional multiple step operations, the number of times of entering the soil is reduced, the soil compaction degree is reduced, the overall operation efficiency is improved, and the labor cost is saved.

To provide a tilling device of an agricultural tractor capable of automatically and excellently plowing finely cut discharge rods and weeds when carrying out tilling operation of a field.SOLUTION: In an agricultural tractor in which a tilling device (30) for tilling a field and a leveling plate (33) for pressing and leveling a ground surface after tilling by a pressing tool (34) are mounted on a rear portion of a traveling vehicle body (2), a monitoring device (35) for monitoring a field surface after leveling is provided, an image captured by the monitoring device (35) is analyzed, and a pressure of the pressing tool (34) is changed and controlled so as to eliminate a plowed remainder of a tilled site.SELECTED DRAWING: Figure 4

ELECTRIC AGRICULTURAL TRACTOR COMPRISING A COMPACT REAR AXLE The invention relates to an electric agricultural tractor comprising a compact rear axle particularly suited to the integration of a high-capacity battery. Figure for the abstract: Figure 1

An agricultural vehicle combination including an agricultural tractor, which is operated using a main drive unit, and an ancillary drive unit, which is attached removably to the agricultural tractor by a three-point hitch, and which has an auxiliary axle that can be driven by an ancillary unit including at least one of a combustion engine and an electric motor.

The utility model provides a double-oil-cylinder lifting frame, and belongs to the technical field of agricultural tractors. The double-oil-cylinder lifting frame comprises a lifting frame assembly and a connecting assembly, the lifting frame assembly comprises a lifting bottom frame, a lifting arm support, oil cylinders, a lifting rod, an upper pull rod, a lower pull rod and a limiting rod, the connecting assembly comprises a shell, an inner frame, a threaded rod and a transmission rod, and the shell is arranged on the side edge of the lifting bottom frame; the lifting underframe, the lifting arm support, the oil cylinders, the lifting rod, the upper pull rod, the lower pull rod and the limiting rod are arranged, and the two oil cylinders with the same specification are symmetrically arranged. The lifting frame can be evenly stressed when lifting and descending the farm tool, the inclination phenomenon is avoided, the stability of the farm tool in the operation process is guaranteed, the shell, the inner frame, the threaded rods and the transmission rod are arranged, the transmission rod is used for driving the multiple threaded rods to synchronously rotate, traditional bolts are replaced for connection, and the disassembly and assembly efficiency is improved.

Clutch pedal (30) of an agricultural tractor, comprising a pedal arm (34) pivotably mounted in a pivot point (32) and an actuation area (36) formed on the pedal arm (34) for operator deflection of the pedal arm (34) between a first and a second pedal end position (38, 40), wherein the pedal arm (34) performs a downward vertical movement (Δy) and a horizontal movement (Δx) away from the operator (42) when the clutch pedal (30) is deflected from the first to the second pedal end position (38, 40), and has a straight or curved path between the pivot point (32) and the actuation area (36) with an upward bend (44) of less than 45 degrees in the direction of the operator (42), characterized in thatthat the clutch pedal (30) in the first pedal end position (38) has a distance of less than 10 cm relative to a cab floor (60) and in the second pedal end position (40) has a distance of less than 1 cm relative to a cab floor (60) of the agricultural tractor, in particular that it comes into contact with the cab floor (60).

The utility model relates to the agricultural machinery assembly technology, in particular to an agricultural tractor assembly line which comprises a plurality of working racks, the working racks are all arranged on a guide rail, and a pushing mechanism for pushing all the working racks to move forwards synchronously is arranged in the guide rail. The number of the push plates is consistent with that of the working racks, the push plates are evenly distributed, the oil cylinders provide pushing power, the oil cylinders stretch out and draw back to drive the connecting plates and the push plates to move together in the direction of the guide rails, and the push plates push the working racks to synchronously move forwards by one station. The assembly line has the advantages that a complete production line is formed by product cleaning, paint baking, assembly and conveying, the assembly process time is shortened, the production efficiency is improved, and the product assembly precision is guaranteed. Different stations and tools are arranged on the assembly line so as to correspond to final assembly of tractor assemblies of different models. The whole tractor assembly assembling production line is pushed through the hydraulic oil cylinder, and the production efficiency is improved.

A system for installation of continuous elongated tubular material in the ground involves: an agricultural tractor having a rear three-point tractor hitch, a rear drawbar and rotatable elastomeric ground-engaging interfaces; a plow mount comprising a front three-point mount hitch for connection to the rear three-point tractor hitch and a clamping connector for connection to the drawbar; and, a plow comprising a depth-adjustable blade, the plow mountable on the plow mount.