A01D75/182

RIDING MOWER
20240215490 · 2024-07-04 ·

A riding mower includes a mowing assembly including a mowing element and a deck accommodating at least part of the mowing element; a traveling assembly including at least left traveling wheels and right traveling wheels; a traveling electric motor for driving the traveling assembly; a grass collecting pipe connected to the deck to guide grass clippings; and a power supply device configured to supply power to the traveling electric motor. The projection of the grass collecting pipe on a first plane supporting the traveling assembly is at least partially located between the left traveling wheels and the right traveling wheels. The maximum total energy of the power supply device is greater than or equal to 0.5 kW.Math.h and less than or equal to 6 kW.Math.h.

Header for an agricultural vehicle with deformable supports

An agricultural vehicle includes a chassis and a header carried by the chassis. The header includes: a frame coupled to the chassis; a cutter bar assembly connected to the frame; a plurality of linkage arms connected to the cutter bar assembly; and a plurality of sacrificial connectors each connected to a respective one of the linkage arms and the frame, each of the plurality of sacrificial connectors including at least one sacrificial region configured to deform or shatter upon an overload force acting on the respectively connected linkage arm.

AGRICULTURAL WORKING DEVICE
20190133038 · 2019-05-09 ·

An agricultural working device, such as a mulcher, is improved with a working rotor which is driven by a drive shaft and a cutting rail with a cutting edge which can be directed towards the working rotor. Sensors for acquiring parameters of working rotor and/or cutting rail are provided. An electronic control apparatus is provided with at least one encoder to set the cutting rail. A method for setting the position of a cutting rail of a working device, such as a mulcher, relative to a working rotor, is configured in such a way that the rotational speed of a drive shaft and the rotational speed of the working rotor are measured and compared with one another. When a ratio of the rotational speeds differs by a predefined threshold, a change in the position of the cutting rail is brought about.

ELECTROMAGNETIC CLUTCH OR BRAKE
20190085925 · 2019-03-21 · ·

An improved electromagnetic clutch for use in a riding lawnmower or similar vehicle is provided. The clutch comprises a coil assembly, a rotor assembly and a pulley assembly. The coil assembly comprises a shell, an encapsulated coil and a coil ring, the coil ring is pressed in the encapsulated coil, the encapsulated coil is inside of the shell, the extended piece of the shell has magnets and brake pieces. The rotor assembly comprises a rotor and a shaft, the shaft pressed in the rotor and is on the coil ring. The pulley assembly comprises a pulley, an armature and leaf springs, one side of the leaf spring is pressed on armature and the another side is pressed on pulley, the pulley is on the shaft, the location of the armature is between brake pieces and rotor. The encapsulated coil has thermal fuse inside and the thermal fuse electrical connected with coil wires, the electricity will be cut off when the temperature of encapsulated coil higher than the melting point of the thermal fuse caused by fitting incorrect or slipping happened during clutch working to protect lawnmower parts or avoid fire accident.

DRIVE TRAIN FOR DRIVING A WORKING UNIT OF A SELF-PROPELLED HARVESTER
20190055993 · 2019-02-21 · ·

A drive train for driving a working unit of a self-propelled harvester is disclosed. The drive train includes a selectable belt drive with a drive belt, which operationally combines a drive belt pulley and an output belt pulley. The output belt pulley of the belt drive is operationally connected to the working unit via a drive shaft. The drive train comprises a clutch system, combining the functions of a belt clutch and an overload clutch into a single construction unit, with the response characteristic of the overload clutch system being hydraulically adjustable.

HEADER FOR AN AGRICULTURAL VEHICLE WITH DEFORMABLE SUPPORTS

An agricultural vehicle includes a chassis and a header carried by the chassis. The header includes: a frame coupled to the chassis; a cutter bar assembly connected to the frame; a plurality of linkage arms connected to the cutter bar assembly; and a plurality of sacrificial connectors each connected to a respective one of the linkage arms and the frame, each of the plurality of sacrificial connectors including at least one sacrificial region configured to deform or shatter upon an overload force acting on the respectively connected linkage arm.

Agricultural harvester unloading via header structure
10172290 · 2019-01-08 · ·

An agricultural harvester has a header for harvesting a crop, an on-board container for storing the harvested crop, and a feeder adapted to receive the harvested crop from the header and provide the harvested crop to the on-board container. The agricultural harvester further has a transporter adapted to transport the harvested crop from the on-board container towards a distal end of the header; at least part of the transporter being mounted to the header or the feeder and a discharger in communication with the transporter and adapted to receive the harvester crop as transported by the transporter, at or near the distal end of the header, the discharger having a discharge outlet for discharging the harvested crop.

MULTI-BLADE MOTOR CONTROL BY SINGLE POWER STAGE
20240313690 · 2024-09-19 ·

An apparatus for motor control of a lawnmower includes multiple blade motors, a logic circuit and a power circuit. The plurality of blade motors are coupled to the lawnmower and configured for cutting vegetation. The logic circuit configured to receive a feedback signal from each of the plurality of blade motors and generate an output signal. The power circuit is configured to drive each of the plurality of blade motors simultaneously in response to the output signal such that the speed of all of the plurality of blade motors is lowered when the feedback signal indicates that one of the plurality of blade motors has encountered an obstruction, clog, or another type of high load.

Harvesting apparatus with overload protection device
12089533 · 2024-09-17 · ·

Harvesting apparatus, with a supporting frame (12) having a longitudinal member and crossmembers, pickup members (20) and transverse conveyor devices (21), wherein a respective pickup member and transverse conveyor device are arranged on a first and second side of the longitudinal member (13), wherein a first shiftable crossmember (14) is shiftable about an axis (24) and is furthermore shiftable via the second crossmember about an axis (25) extending in the longitudinal direction relative to a fixed crossmember (16), and wherein a first overload protection device (26) is positioned between the first and second shiftable crossmembers (14, 15), said overload protection device triggering when a force on the respective pickup member (20) and/or the respective transverse conveyor device (21) and/or the respective first crossmember (14) exceeds a limit value and permitting shifting of the respective pickup member (20) and of the respective transverse conveyor device (21) rearwards about the axis (24).

MONITOR FOR SLIP CLUTCHES

A system and method for detecting a malfunction in a harvesting machine includes a sensor for mounting to the harvesting machine. The sensor is configured to measure a magnitude of a mechanical wave produced in the harvesting machine, and output a signal based on the magnitude. A controller receives the signal from the sensor. The controller is configured to process the signal and generate an alarm signal when a threshold is exceeded. An alarm unit is configured to receive the alarm signal from the controller when the threshold value is exceeded, and output an alarm to alert the operator of the malfunction. The malfunction can be a slipped clutch caused by a jammed condition, or other anomaly that generates a mechanical wave. The mechanical wave can be a sound wave or mechanical vibration traveling through one or more parts of the harvesting machine.